updated Netty to 4.2.2

improved documentation

client configuration promoted to standalone class

.gitea/workflows/build-dev.yaml

@@ -0,0 +1,80 @@
+name: CI
+on:
+  push:
+    branches:
+      - 'dev'
+jobs:
+  build:
+    runs-on: hostinger
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+      - name: Execute Gradle build
+        run: ./gradlew build
+      - name: Prepare Docker image build
+        run: ./gradlew prepareDockerBuild
+      - name: Get project version
+        id: retrieve-version
+        run: ./gradlew -q version >> "$GITHUB_OUTPUT"
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker-container
+      - name: Login to Gitea container registry
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.woggioni.net
+          username: woggioni
+          password: ${{ secrets.PUBLISHER_TOKEN }}
+      -
+        name: Build rbcs Docker image
+        uses: docker/build-push-action@v5.3.0
+        with:
+          context: "docker/build/docker"
+          platforms: linux/amd64,linux/arm64
+          push: true
+          pull: true
+          tags: |
+            gitea.woggioni.net/woggioni/rbcs:vanilla-dev
+          target: release-vanilla
+          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/rbcs:buildx
+      -
+        name: Build rbcs memcache Docker image
+        uses: docker/build-push-action@v5.3.0
+        with:
+          context: "docker/build/docker"
+          platforms: linux/amd64,linux/arm64
+          push: true
+          pull: true
+          tags: |
+            gitea.woggioni.net/woggioni/rbcs:memcache-dev
+          target: release-memcache
+          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/rbcs:buildx
+          cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/rbcs:buildx
+      -
+        name: Build rbcs native Docker image
+        uses: docker/build-push-action@v5.3.0
+        with:
+          context: "docker/build/docker"
+          platforms: linux/amd64
+          push: true
+          pull: true
+          tags: |
+            gitea.woggioni.net/woggioni/rbcs:native-dev
+          target: release-native
+      -
+        name: Build rbcs jlink Docker image
+        uses: docker/build-push-action@v5.3.0
+        with:
+          context: "docker/build/docker"
+          platforms: linux/amd64
+          push: true
+          pull: true
+          tags: |
+            gitea.woggioni.net/woggioni/rbcs:jlink-dev
+          target: release-jlink
+

.gitea/workflows/build.yaml

@@ -39,9 +39,9 @@ jobs:
           push: true
           pull: true
           tags: |
-            gitea.woggioni.net/woggioni/rbcs:latest
-            gitea.woggioni.net/woggioni/rbcs:${{ steps.retrieve-version.outputs.VERSION }}
-          target: release
+            gitea.woggioni.net/woggioni/rbcs:vanilla
+            gitea.woggioni.net/woggioni/rbcs:vanilla-${{ steps.retrieve-version.outputs.VERSION }}
+          target: release-vanilla
           cache-from: type=registry,ref=gitea.woggioni.net/woggioni/rbcs:buildx
       -
         name: Build rbcs memcache Docker image
@@ -52,11 +52,37 @@ jobs:
           push: true
           pull: true
           tags: |
+            gitea.woggioni.net/woggioni/rbcs:latest
+            gitea.woggioni.net/woggioni/rbcs:${{ steps.retrieve-version.outputs.VERSION }}
             gitea.woggioni.net/woggioni/rbcs:memcache
             gitea.woggioni.net/woggioni/rbcs:memcache-${{ steps.retrieve-version.outputs.VERSION }}
           target: release-memcache
           cache-from: type=registry,ref=gitea.woggioni.net/woggioni/rbcs:buildx
           cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/rbcs:buildx
+      -
+        name: Build rbcs native Docker image
+        uses: docker/build-push-action@v5.3.0
+        with:
+          context: "docker/build/docker"
+          platforms: linux/amd64
+          push: true
+          pull: true
+          tags: |
+            gitea.woggioni.net/woggioni/rbcs:native
+            gitea.woggioni.net/woggioni/rbcs:native-${{ steps.retrieve-version.outputs.VERSION }}
+          target: release-native
+      -
+        name: Build rbcs jlink Docker image
+        uses: docker/build-push-action@v5.3.0
+        with:
+          context: "docker/build/docker"
+          platforms: linux/amd64
+          push: true
+          pull: true
+          tags: |
+            gitea.woggioni.net/woggioni/rbcs:jlink
+            gitea.woggioni.net/woggioni/rbcs:jlink-${{ steps.retrieve-version.outputs.VERSION }}-jlink
+          target: release-jlink
       - name: Publish artifacts
         env:
           PUBLISHER_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}

README.md

@@ -1,4 +1,45 @@
 # Remote Build Cache Server
+
+![Release](https://img.shields.io/gitea/v/release/woggioni/rbcs?gitea_url=https%3A%2F%2Fgitea.woggioni.net)
+![Version](https://img.shields.io/maven-metadata/v?metadataUrl=https%3A%2F%2Fgitea.woggioni.net%2Fapi%2Fpackages%2Fwoggioni%2Fmaven%2Fnet%2Fwoggioni%2Frbcs-cli%2Fmaven-metadata.xml)
+![License](https://img.shields.io/badge/license-MIT-green)
+![Language](https://img.shields.io/gitea/languages/count/woggioni/rbcs?gitea_url=https%3A%2F%2Fgitea.woggioni.net)
+
+<!--
+![Last commit](https://img.shields.io/gitea/last-commit/woggioni/rbcs?gitea_url=https%3A%2F%2Fgitea.woggioni.net)
+-->
+
+Speed up your builds by sharing and reusing unchanged build outputs across your team.
+
+Remote Build Cache Server (RBCS) allows teams to share and reuse unchanged build and test outputs, 
+significantly reducing build times for both local and CI environments. By eliminating redundant work, 
+RBCS helps teams become more productive and efficient.
+
+**Key Features:**
+- Support for both Gradle and Maven build environments
+- Pluggable storage backends (in-memory, disk-backed, memcached)
+- Flexible authentication (HTTP basic or TLS certificate)
+- Role-based access control
+- Request throttling
+
+## Table of Contents
+- [Quickstart](#quickstart)
+- [Integration with build tools](#integration-with-build-tools)
+  - [Use RBCS with Gradle](#use-rbcs-with-gradle)
+  - [Use RBCS with Maven](#use-rbcs-with-maven)
+- [Server configuration](#server-configuration)
+- [Authentication](#authentication)
+  - [HTTP Basic authentication](#configure-http-basic-authentication)
+  - [TLS client certificate authentication](#configure-tls-certificate-authentication)
+- [Authentication & Access Control](#access-control)
+- [Plugins](#plugins)
+- [Client Tools](#rbcs-client)
+- [Logging](#logging)
+- [Performance](#performance)
+- [FAQ](#faq)
+
+
+
 Remote Build Cache Server (shortened to RBCS) allows you to share and reuse unchanged build 
 and test outputs across the team. This speeds up local and CI builds since cycles are not wasted
 re-building components that are unaffected by new code changes. RBCS supports both Gradle and
@@ -12,9 +53,10 @@ and throttling.
 
 ## Quickstart
 
-### Downloading the jar file 
+### Use the all-in-one jar file 
 You can download the latest version from [this link](https://gitea.woggioni.net/woggioni/-/packages/maven/net.woggioni:rbcs-cli/)
 
+
 Assuming you have Java 21 or later installed, you can launch the server directly with
 
 ```bash
@@ -24,7 +66,7 @@ java -jar rbcs-cli.jar server
 By default it will start an HTTP server bound to localhost and listening on port 8080 with no authentication,
 writing data to the disk, that you can use for testing
 
-### Using the Docker image
+### Use the Docker image
 You can pull the latest Docker image with
 ```bash
 docker pull gitea.woggioni.net/woggioni/rbcs:latest
@@ -33,30 +75,20 @@ docker pull gitea.woggioni.net/woggioni/rbcs:latest
 By default it will start an HTTP server bound to localhost and listening on port 8080 with no authentication,
 writing data to the disk, that you can use for testing
 
-## Usage
+### Use the native executable
+If you are on a Linux X86_64 machine you can download the native executable
+from [here](https://gitea.woggioni.net/woggioni/-/packages/maven/net.woggioni:rbcs-cli/).
+It behaves the same as the jar file but it doesn't require a JVM and it has faster startup times.
+because of GraalVM's [closed-world assumption](https://www.graalvm.org/latest/reference-manual/native-image/basics/#static-analysis),
+the native executable does not supports plugins, so it comes with all plugins embedded into it.
 
-### Configuration
-The location of the `rbcs.xml` configuration file depends on the operating system, 
-Alternatively it can be changed setting the `RBCS_CONFIGURATION_DIR` environmental variable or `net.woggioni.rbcs.conf.dir` Java system property
-to the directory that contain the `rbcs.xml` file.
+> [!WARNING]
+> The native executable is built with `-march=skylake`, so it may fail with SIGILL on x86 CPUs that do not support
+> the full skylake instruction set (as a rule of thumb, older than 2015)
 
-The server configuration file follows the XML format and uses XML schema for validation
-(you can find the schema for the main configuration file [here](https://gitea.woggioni.net/woggioni/rbcs/src/branch/master/rbcs-server/src/main/resources/net/woggioni/rbcs/server/schema/rbcs.xsd)).
+## Integration with build tools
 
-The configuration values are enclosed inside XML attribute and support system property / environmental variable interpolation.
-As an example, you can configure RBCS to read the server port number from the `RBCS_SERVER_PORT` environmental variable
-and the bind address from the `rbc.bind.address` JVM system property with.
-
-Full documentation for all tags and attributes is available [here](doc/server_configuration.md).
-
-### Plugins
-If you want to use memcache as a storage backend you'll also need to download [the memcache plugin](https://gitea.woggioni.net/woggioni/-/packages/maven/net.woggioni:rbcs-server-memcache/)
-
-Plugins need to be stored in a folder named `plugins` in the located server's working directory
-(the directory where the server process is started). They are shipped as TAR archives, so you need to extract
-the content of the archive into the `plugins` directory for the server to pick them up.
-
-### Using RBCS with Gradle 
+### Use RBCS with Gradle
 
 Add this to the `settings.gradle` file of your project
 
@@ -101,7 +133,7 @@ add `org.gradle.caching=true` to your `<project>/gradle.properties` or run gradl
 
 Read [Gradle documentation](https://docs.gradle.org/current/userguide/build_cache.html) for more detailed information.
 
-### Using RBCS with Maven
+### Use RBCS with Maven
 
 1. Create an `extensions.xml` in `<project>/.mvn/extensions.xml` with the following content
   ```xml
@@ -128,10 +160,202 @@ Read [Gradle documentation](https://docs.gradle.org/current/userguide/build_cach
 
 Alternatively you can set those properties in your `<project>/pom.xml`
 
-
 Read [here](https://maven.apache.org/extensions/maven-build-cache-extension/remote-cache.html)
 for more informations
 
+
+## Server configuration
+RBCS reads an XML configuration file, by default named `rbcs-server.xml`.
+The expected location of the `rbcs-server.xml` file depends on the operating system,
+if the configuration file is not found a default one will be created and its location is printed
+on the console
+
+```bash
+user@76a90cbcd75d:~$ rbcs-cli server
+2025-01-01 00:00:00,000 [INFO ] (main) n.w.r.c.impl.commands.ServerCommand -- Creating default configuration file at '/home/user/.config/rbcs/rbcs-server.xml'
+```
+
+Alternatively it can be changed setting the `RBCS_CONFIGURATION_DIR` environmental variable or `net.woggioni.rbcs.conf.dir` 
+Java system property to the directory that contain the `rbcs-server.xml` file.
+It can also be directly specified from the command line with
+```bash
+java -jar rbcs-cli.jar server -c /path/to/rbcs-server.xml
+```
+
+The server configuration file follows the XML format and uses XML schema for validation
+(you can find the schema for the `rbcs-server.xml` configuration file [here](https://gitea.woggioni.net/woggioni/rbcs/src/branch/master/rbcs-server/src/main/resources/net/woggioni/rbcs/server/schema/rbcs-server.xsd)).
+
+The configuration values are enclosed inside XML attribute and support system property / environmental variable interpolation.
+As an example, you can configure RBCS to read the server port number from the `RBCS_SERVER_PORT` environmental variable
+and the bind address from the `rbc.bind.address` JVM system property with
+
+```xml
+<bind host="${sys:rpc.bind.address}" port="${env:RBCS_SERVER_PORT}"/>
+```
+
+Full documentation for all tags and attributes and configuration file examples
+are available [here](doc/server_configuration.md).
+
+### Plugins
+If you want to use memcache as a storage backend you'll also need to download [the memcache plugin](https://gitea.woggioni.net/woggioni/-/packages/maven/net.woggioni:rbcs-server-memcache/)
+
+Plugins need to be stored in a folder named `plugins` in the located server's working directory
+(the directory where the server process is started). They are shipped as TAR archives, so you need to extract
+the content of the archive into the `plugins` directory for the server to pick them up.
+
+## Authentication
+
+RBCS supports 2 authentication mechanisms:
+
+- HTTP basic authentication
+- TLS certificate authentication
+
+### Configure HTTP basic authentication
+
+Add a `<basic>` element to the `<authentication>` element in your `rbcs-server.xml`
+```xml
+    <authentication>
+      <basic/>
+    </authentication>
+```
+
+### Configure TLS certificate authentication
+
+Add a `<client-certificate>` element to the `<authentication>` element in your `rbcs-server.xml`
+```xml
+    <authentication>
+        <client-certificate>
+            <user-extractor attribute-name="CN" pattern="(.*)"/>
+            <group-extractor attribute-name="O" pattern="(.*)"/>
+        </client-certificate>
+    </authentication>
+```
+The `<user-extractor>` here determines how the username is extracted from the
+subject's X.500 name in the TLS certificate presented by the client, where `attribute-name`
+is the `RelativeDistinguishedName` (RDN) identifier and pattern is a regular expression
+that will be applied to extract the username from the first group present in the regex.
+An error will be thrown if the regular expression contains no groups, while additional
+groups are ignored.
+
+Similarly, the `<group-extractor>` here determines how the group name is extracted from the
+subject's X.500 name in the TLS certificate presented by the client. 
+Note that this allows to assign roles to incoming requests without necessarily assigning them
+a username.
+
+
+
+## Access control
+
+RBCS supports role-based access control (RBAC), three roles are available:
+- `Reader` can perform `GET` calls
+- `Writer` can perform `PUT` calls
+- `Healthcheck` can perform `TRACE` calls
+
+Roles are assigned to groups so that a user will have a role only if that roles belongs
+to one of the groups he is a member of.
+
+There is also a special `<anonymous>` user 
+which matches any request who hasn't been authenticated and that can be assigned
+to any group like a normal user. This permits to have a build cache that is
+publicly readable but only writable by authenticated users (e.g. CI/CD pipeline).
+
+### Defining users
+
+Users can be defined in the `<authorization>` element
+```xml
+    <authorization>
+        <users>
+            <user name="user1" password="kb/vNnkn2RvyPkTN6Q07uH0F7wI7u61MkManD3NHregRukBg4KHehfbqtLTb39fZjHA+SRH+EpEWDCf+Rihr5H5C1YN5qwmArV0p8O5ptC4="/>
+            <user name="user2" password="2J7MAhdIzZ3SO+JGB+K6wPhb4P5LH1L4L7yJCl5QrxNfAWRr5jTUExJRbcgbH1UfnkCbIO1p+xTDq+FCj3LFBZeMZUNZ47npN+WR7AX3VTo="/>
+            <anonymous/>
+        </users>
+        <groups>
+            <group name="readers">
+                <users>
+                    <anonymous/>
+                </users>
+                <roles>
+                    <reader/>
+                </roles>
+            </group>
+            <group name="writers">
+                <users>
+                    <user ref="user1"/>
+                    <user ref="user2"/>
+                </users>
+                <roles>
+                    <reader/>
+                    <writer/>
+                    <healthcheck/>
+                </roles>
+            </group>
+        </groups>
+    </authorization>
+```
+
+The `password` attribute is only used for HTTP Basic authentication, so it can be omitted
+if you use TLS certificate authentication. It must contain a password hash that can be derived from
+the actual password using the following command
+
+```bash
+java -jar rbcs-cli.jar password
+```
+
+## Reliability
+
+RBCS implements the [TRACE](https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/TRACE) HTTP method and this functionality can be used
+as a health check (mind you need to have `Healthcheck` role in order to perform it and match the server's `prefix` in the URL).
+
+## RBCS Client
+
+RBCS ships with a command line client that can be used for testing, benchmarking or to manually 
+upload/download files to the cache. It must be configured with the `rbcs-client.xml`, 
+whose location follows the same logic of the `rbcs-server.xml`. 
+The `rbcs-client.xml` must adhere to the [rbcs-client.xsd](rbcs-client/src/main/resources/net/woggioni/rbcs/client/schema/rbcs-client.xsd) 
+XML schema
+
+The documentation for the `rbcs-client.xml` configuration file is available [here](conf/client_configuration.md)
+
+### GET command
+
+```bash
+java -jar rbcs-cli.jar client -p $CLIENT_PROFILE_NAME get -k $CACHE_KEY -v $FILE_WHERE_THE_VALUE_WILL_BE_STORED
+```
+
+### PUT command
+
+```bash
+java -jar rbcs-cli.jar client -p $CLIENT_PROFILE_NAME put -k $CACHE_KEY -v $FILE_TO_BE_UPLOADED
+```
+
+If you don't specify the key, a UUID key based on the file content will be used, 
+if you add the `-i` command line parameter, the uploaded file will be served with
+`Content-Disposition: inline` HTTP header so that browser will attempt to render 
+it in the page instead of triggering a file download (in this way you can create a temporary web page).
+
+The client will try to detect the file mime type upon upload but if you want to be sure you can specify
+it manually with the `-t` parameter. 
+
+### Benchmark command
+
+```bash
+java -jar rbcs-cli.jar client -p $CLIENT_PROFILE_NAME benchamrk -s 4096 -e 10000
+```
+This will insert 10000 randomly generates entries of 4096 bytes into RBCS, then retrieve them
+and check that the retrieved value matches what was inserted. 
+It will also print throughput stats on the way.
+
+## Logging
+
+RBCS uses [logback](https://logback.qos.ch/) and ships with a [default logging configuration](./conf/logback.xml) that
+can be overridden with `-Dlogback.configurationFile=path/to/custom/configuration.xml`, refer to
+[Logback documentation](https://logback.qos.ch/manual/configuration.html) for more details about
+how to configure Logback
+
+## Performance
+
+You can check performance benchmarks [here](doc/benchmarks.md)
+
 ## FAQ
 ### Why should I use a build cache?
 

benchmark/rbcs-filesystem.yml

@@ -0,0 +1,94 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: rbcs-server
+data:
+  rbcs-server.xml: |
+        <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+        <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+                     xmlns:rbcs="urn:net.woggioni.rbcs.server"
+                     xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
+                     xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd"
+        >
+            <bind host="0.0.0.0" port="8080" incoming-connections-backlog-size="128"/>
+            <connection
+                    max-request-size="0xd000000"
+                    idle-timeout="PT15S"
+                    read-idle-timeout="PT30S"
+                    write-idle-timeout="PT30S"/>
+            <event-executor use-virtual-threads="true"/>
+            <cache xs:type="rbcs:fileSystemCacheType" max-age="P7D" enable-compression="false" path="/home/luser/cache" digest="SHA-224"/>
+        </rbcs:server>
+
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: rbcs-pvc
+  namespace: default
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: local-path
+  resources:
+    requests:
+      storage: 16Gi
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: rbcs-deployment
+  labels:
+    app: rbcs
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: rbcs
+  template:
+    metadata:
+      labels:
+        app: rbcs
+    spec:
+      containers:
+        - name: rbcs
+          image: gitea.woggioni.net/woggioni/rbcs:memcache
+          imagePullPolicy: Always
+          command: ["java", "-Dlogback.configurationFile=logback.xml", "-XX:MaxRAMPercentage=75","-jar", "/home/luser/rbcs.jar"]
+          args: ['server', '-c', 'rbcs-server.xml']
+          ports:
+          - containerPort: 8080
+          volumeMounts:
+          - name: config-volume
+            mountPath: /home/luser/rbcs-server.xml
+            subPath: rbcs-server.xml
+          - name: cache-volume
+            mountPath: /home/luser/cache
+          resources:
+            requests:
+              memory: "0.25Gi"
+              cpu: "1"
+            limits:
+              memory: "0.5Gi"
+              cpu: "1"
+      volumes:
+        - name: config-volume
+          configMap:
+            name: rbcs-server
+        - name: cache-volume
+          persistentVolumeClaim:
+            claimName: rbcs-pvc
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: rbcs-service
+spec:
+  type: LoadBalancer
+  ports:
+  - port: 8080
+    targetPort: 8080
+    protocol: TCP
+  selector:
+    app: rbcs
+

benchmark/rbcs-in-memory.yml

@@ -0,0 +1,77 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: rbcs-server
+data:
+  rbcs-server.xml: |
+        <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+        <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+                     xmlns:rbcs="urn:net.woggioni.rbcs.server"
+                     xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
+                     xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd"
+        >
+            <bind host="0.0.0.0" port="8080" incoming-connections-backlog-size="128"/>
+            <connection
+                    max-request-size="0xd000000"
+                    idle-timeout="PT15S"
+                    read-idle-timeout="PT30S"
+                    write-idle-timeout="PT30S"/>
+            <event-executor use-virtual-threads="true"/>
+            <cache xs:type="rbcs:inMemoryCacheType" max-age="P7D" enable-compression="false" max-size="0x40000000" digest="SHA-224"/>
+        </rbcs:server>
+
+---
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: rbcs-deployment
+  labels:
+    app: rbcs
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: rbcs
+  template:
+    metadata:
+      labels:
+        app: rbcs
+    spec:
+      containers:
+        - name: rbcs
+          image: gitea.woggioni.net/woggioni/rbcs:memcache
+          imagePullPolicy: Always
+          command: ["java", "-Dlogback.configurationFile=logback.xml", "-XX:MaxRAMPercentage=75","-jar", "/home/luser/rbcs.jar"]
+          args: ['server', '-c', 'rbcs-server.xml']
+          ports:
+          - containerPort: 8080
+          volumeMounts:
+          - name: config-volume
+            mountPath: /home/luser/rbcs-server.xml
+            subPath: rbcs-server.xml
+          resources:
+            requests:
+              memory: "0.5Gi"
+              cpu: "1"
+            limits:
+              memory: "4Gi"
+              cpu: "1"
+      volumes:
+        - name: config-volume
+          configMap:
+            name: rbcs-server
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: rbcs-service
+spec:
+  type: LoadBalancer
+  ports:
+  - port: 8080
+    targetPort: 8080
+    protocol: TCP
+  selector:
+    app: rbcs
+

benchmark/rbcs-memcache.yml

@@ -0,0 +1,118 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: rbcs-server
+data:
+  rbcs-server.xml: |
+        <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+        <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+                     xmlns:rbcs="urn:net.woggioni.rbcs.server"
+                     xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
+                     xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd"
+        >
+            <bind host="0.0.0.0" port="8080" incoming-connections-backlog-size="128"/>
+            <connection
+                    max-request-size="0xd000000"
+                    idle-timeout="PT15S"
+                    read-idle-timeout="PT30S"
+                    write-idle-timeout="PT30S"/>
+            <event-executor use-virtual-threads="true"/>
+            <!--cache xs:type="rbcs:inMemoryCacheType" max-age="P7D" enable-compression="false" max-size="0x10000000" /-->
+            <cache xs:type="rbcs-memcache:memcacheCacheType" max-age="P7D" chunk-size="0x1000" digest="SHA-224">
+                <server host="memcached-service" port="11211" max-connections="256"/>
+            </cache>
+        </rbcs:server>
+
+---
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: rbcs-deployment
+  labels:
+    app: rbcs
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: rbcs
+  template:
+    metadata:
+      labels:
+        app: rbcs
+    spec:
+      containers:
+        - name: rbcs
+          image: gitea.woggioni.net/woggioni/rbcs:memcache
+          imagePullPolicy: Always
+          command: ["java", "-Dlogback.configurationFile=logback.xml", "-XX:MaxRAMPercentage=75","-jar", "/home/luser/rbcs.jar"]
+          args: ['server', '-c', 'rbcs-server.xml']
+          ports:
+          - containerPort: 8080
+          volumeMounts:
+          - name: config-volume
+            mountPath: /home/luser/rbcs-server.xml
+            subPath: rbcs-server.xml
+          resources:
+            requests:
+              memory: "0.5Gi"
+              cpu: "1"
+            limits:
+              memory: "0.5Gi"
+              cpu: "3.5"
+      volumes:
+        - name: config-volume
+          configMap:
+            name: rbcs-server
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: rbcs-service
+spec:
+  type: LoadBalancer
+  ports:
+  - port: 8080
+    targetPort: 8080
+    protocol: TCP
+  selector:
+    app: rbcs
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: memcached-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: memcached
+  template:
+    metadata:
+      labels:
+        app: memcached
+    spec:
+      containers:
+      - name: memcached
+        image: memcached
+        args: ["-I", "128m", "-m", "4096", "-t", "1"]
+        resources:
+          requests:
+            memory: "1Gi"
+            cpu: "500m"        # 0.5 CPU
+          limits:
+            memory: "5Gi"
+            cpu: "500m"        # 0.5 CP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: memcached-service
+spec:
+  type: ClusterIP  # ClusterIP makes it accessible only within the cluster
+  ports:
+  - port: 11211     # Default memcached port
+    targetPort: 11211
+    protocol: TCP
+  selector:
+    app: memcached

build.gradle

@@ -39,7 +39,6 @@ allprojects { subproject ->
             modularity.inferModulePath = true
             toolchain {
                 languageVersion = JavaLanguageVersion.of(21)
-                vendor = JvmVendorSpec.ORACLE
             }
         }
 

doc/benchmarks.md

@@ -0,0 +1,86 @@
+# RBCS performance benchmarks
+
+All test were executed under the following conditions:
+- CPU: Intel Celeron J3455 (4 physical cores)
+- memory: 8GB DDR3L 1600 MHz
+- disk: SATA3 120GB SSD
+- HTTP compression: disabled
+- cache compression: disabled
+- digest: none
+- authentication: disabled
+- TLS: disabled
+- network RTT: 14ms
+- network bandwidth: 112 MiB/s
+### In memory cache backend
+
+
+| Cache backend  | CPU                 | CPU quota | Memory quota (GB) | Request size (b) | Client connections | PUT (req/s) | GET (req/s) |
+|----------------|---------------------|-----------|-------------------|------------------|--------------------|-------------|-------------|
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 128              | 10                 | 7867        | 13762       |
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 128              | 100                | 7728        | 14180       |
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 512              | 10                 | 7964        | 10992       |
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 512              | 100                | 8415        | 12478       |
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 4096             | 10                 | 4268        | 5395        |
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 4096             | 100                | 5585        | 8259        |
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 65536            | 10                 | 1063        | 1185        |
+| in-memory      | Intel Celeron J3455 | 1.00      | 4                 | 65536            | 100                | 1522        | 1366        |
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 128              | 10                 | 11271       | 14092       |             
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 128              | 100                | 16064       | 24201       |
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 512              | 10                 | 11504       | 13077       |
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 512              | 100                | 17379       | 22094       |
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 4096             | 10                 | 9151        | 9489        |
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 4096             | 100                | 13194       | 18268       |
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 65536            | 10                 | 1590        | 1174        |
+| in-memory      | Intel Celeron J3455 | 3.50      | 4                 | 65536            | 100                | 1539        | 1561        |
+
+### Filesystem cache backend
+
+compression: disabled
+digest: none
+authentication: disabled
+TLS: disabled
+
+| Cache backend | CPU                 | CPU quota | Memory quota (GB) | Request size (b) | Client connections | PUT (req/s) | GET (req/s) |
+|---------------|---------------------|-----------|-------------------|------------------|--------------------|-------------|-------------|
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 128              | 10                 | 1478        | 5771        |             
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 128              | 100                | 3166        | 8070        |
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 512              | 10                 | 1717        | 5895        |
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 512              | 100                | 1125        | 6564        |
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 4096             | 10                 | 819         | 2509        |
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 4096             | 100                | 1136        | 2365        |
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 65536            | 10                 | 584         | 632         |
+| filesystem    | Intel Celeron J3455 | 1.00      | 0.5               | 65536            | 100                | 529         | 635         |
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 128              | 10                 | 1227        | 3342        |             
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 128              | 100                | 1156        | 4035        |
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 512              | 10                 | 979         | 3294        |
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 512              | 100                | 1217        | 3888        |
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 4096             | 10                 | 535         | 1805        |
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 4096             | 100                | 555         | 1910        |
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 65536            | 10                 | 301         | 494         |
+| filesystem    | Intel Celeron J3455 | 3.50      | 0.5               | 65536            | 100                | 353         | 595         |
+
+### Memcache cache backend
+
+compression: disabled
+digest: MD5
+authentication: disabled
+TLS: disabled
+
+| Cache backend | CPU                 | CPU quota | Memory quota (GB) | Request size (b) | Client connections | PUT (req/s) | GET (req/s) |
+|---------------|---------------------|-----------|-------------------|------------------|--------------------|-------------|-------------|
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 128              | 10                 | 3380        | 6083        |             
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 128              | 100                | 3323        | 4998        |
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 512              | 10                 | 3924        | 6086        |
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 512              | 100                | 3440        | 5049        |
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 4096             | 10                 | 3347        | 5255        |
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 4096             | 100                | 3685        | 4693        |
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 65536            | 10                 | 1304        | 1343        |
+| memcache      | Intel Celeron J3455 | 1.00      | 0.25              | 65536            | 100                | 1481        | 1541        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 128              | 10                 | 4667        | 7984        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 128              | 100                | 4044        | 8358        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 512              | 10                 | 4177        | 7828        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 512              | 100                | 4079        | 8794        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 4096             | 10                 | 4588        | 6869        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 4096             | 100                | 5343        | 7797        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 65536            | 10                 | 1624        | 1317        |
+| memcache      | Intel Celeron J3455 | 3.50      | 0.25              | 65536            | 100                | 1633        | 1317        |

doc/client_configuration.md

@@ -0,0 +1,125 @@
+# XML Schema Documentation: RBCS Client Configuration
+
+This document provides detailed information about the XML schema for RBCS client configuration, which defines profiles for connecting to RBCS servers.
+
+## Root Element
+
+### `profiles`
+The root element that contains a collection of server profiles.
+- **Type**: `profilesType`
+- **Contains**: Zero or more `profile` elements
+
+## Complex Types
+
+### `profilesType`
+Defines the structure for the profiles collection.
+- **Elements**:
+    - `profile`: Server connection profile (0 to unbounded)
+
+### `profileType`
+Defines a server connection profile with authentication, connection settings, and retry policies.
+
+- **Attributes**:
+    - `name` (required): Name of the server profile, referenced with the '-p' parameter in rbcs-cli
+    - `base-url` (required): RBCs server URL
+    - `max-connections`: Maximum number of concurrent TCP connections (default: 50)
+    - `connection-timeout`: Timeout for establishing connections
+    - `enable-compression`: Whether to enable HTTP compression (default: true)
+
+- **Elements** (in sequence):
+    - **Authentication** (choice of one):
+        - `no-auth`: Disable authentication
+        - `basic-auth`: Enable HTTP basic authentication
+        - `tls-client-auth`: Enable TLS certificate authentication
+    - `connection` (optional): Connection timeout settings
+    - `retry-policy` (optional): Retry policy for failed requests
+    - `tls-trust-store` (optional): Custom truststore for server certificate validation
+
+### `connectionType`
+Defines connection timeout settings.
+
+- **Attributes**:
+    - `idle-timeout`: Close connection after inactivity period (default: PT30S - 30 seconds)
+    - `read-idle-timeout`: Close connection when no read occurs (default: PT60S - 60 seconds)
+    - `write-idle-timeout`: Close connection when no write occurs (default: PT60S - 60 seconds)
+
+### `noAuthType`
+Indicates no authentication should be used.
+- No attributes or elements
+
+### `basicAuthType`
+Configures HTTP Basic Authentication.
+
+- **Attributes**:
+    - `user` (required): Username for authentication
+    - `password` (required): Password for authentication
+
+### `tlsClientAuthType`
+Configures TLS client certificate authentication.
+
+- **Attributes**:
+    - `key-store-file` (required): Path to the keystore file
+    - `key-store-password` (required): Password to open the keystore
+    - `key-alias` (required): Alias of the keystore entry with the private key
+    - `key-password` (optional): Private key entry's encryption password
+
+### `retryType`
+Defines retry policy using exponential backoff.
+
+- **Attributes**:
+    - `max-attempts` (required): Maximum number of retry attempts
+    - `initial-delay`: Delay before first retry (default: PT1S - 1 second)
+    - `exp`: Exponent for computing next delay (default: 2.0)
+
+### `trustStoreType`
+Configures custom truststore for server certificate validation.
+
+- **Attributes**:
+    - `file` (required): Path to the truststore file
+    - `password`: Truststore file password
+    - `check-certificate-status`: Whether to check certificate validity using CRL/OCSP
+    - `verify-server-certificate`: Whether to validate server certificates (default: true)
+
+## Sample XML Document
+
+```xml
+<?xml version="1.0" encoding="UTF-8"?>
+<profiles xmlns="urn:net.woggioni.rbcs.client">
+  <!-- Profile with basic authentication -->
+  <profile name="production-server" 
+           base-url="https://rbcs.example.com/api" 
+           max-connections="100" 
+           enable-compression="true">
+    <basic-auth user="admin" password="secure_password123"/>
+    <connection idle-timeout="PT45S" 
+                read-idle-timeout="PT90S" 
+                write-idle-timeout="PT90S"/>
+    <retry-policy max-attempts="5" 
+                 initial-delay="PT2S" 
+                 exp="1.5"/>
+    <tls-trust-store file="/path/to/truststore.jks" 
+                    password="truststore_password" 
+                    check-certificate-status="true"/>
+  </profile>
+  
+  <!-- Profile with TLS client authentication -->
+  <profile name="secure-server" 
+           base-url="https://secure.example.com/api" 
+           max-connections="25">
+    <tls-client-auth key-store-file="/path/to/keystore.p12" 
+                    key-store-password="keystore_password" 
+                    key-alias="client-cert" 
+                    key-password="key_password"/>
+    <retry-policy max-attempts="3"/>
+  </profile>
+  
+  <!-- Profile with no authentication -->
+  <profile name="development" 
+           base-url="http://localhost:8080/api" 
+           enable-compression="false">
+    <no-auth/>
+  </profile>
+</profiles>
+```
+
+This sample XML document demonstrates three different profiles with various authentication methods and configuration options as defined in the schema.

doc/server_configuration.md

@@ -0,0 +1,189 @@
+### RBCS server configuration file elements and attributes
+
+#### Root Element: `server`
+The root element that contains all server configuration.
+
+**Attributes:**
+- `path` (optional): URI path prefix for cache requests. Example: if set to "cache", requests would be made to "http://www.example.com/cache/KEY"
+
+#### Child Elements
+
+#### `<bind>`
+Configures server socket settings.
+
+**Attributes:**
+- `host` (required): Server bind address
+- `port` (required): Server port number
+- `incoming-connections-backlog-size` (optional, default: 1024): Maximum queue length for incoming connection indications
+
+#### `<connection>`
+Configures connection handling parameters.
+
+**Attributes:**
+- `idle-timeout` (optional, default: PT30S): Connection timeout when no activity
+- `read-idle-timeout` (optional, default: PT60S): Connection timeout when no reads
+- `write-idle-timeout` (optional, default: PT60S): Connection timeout when no writes
+- `max-request-size` (optional, default: 0x4000000): Maximum allowed request body size
+- `chunk-size` (default: 0x10000): Maximum socket write size
+
+#### `<event-executor>`
+Configures event execution settings.
+
+**Attributes:**
+- `use-virtual-threads` (optional, default: true): Whether to use virtual threads for the server handler
+
+#### `<cache>`
+Defines cache storage implementation. Two types are available:
+
+##### InMemory Cache
+
+A simple storage backend that uses an hash map to store data in memory
+
+**Attributes:**
+- `max-age` (default: P1D): Cache entry lifetime
+- `max-size` (default: 0x1000000): Maximum cache size in bytes
+- `digest` (default: MD5): Key hashing algorithm
+- `enable-compression` (default: true): Enable deflate compression
+- `compression-level` (default: -1): Compression level (-1 to 9)
+
+##### FileSystem Cache
+
+A storage backend that stores data in a folder on the disk
+
+**Attributes:**
+- `path`: Storage directory path
+- `max-age` (default: P1D): Cache entry lifetime
+- `digest` (default: MD5): Key hashing algorithm
+- `enable-compression` (default: true): Enable deflate compression
+- `compression-level` (default: -1): Compression level
+
+#### `<authorization>`
+Configures user and group-based access control.
+
+##### `<users>`
+List of registered users.
+- Contains `<user>` elements:
+
+  **Attributes:**
+    - `name` (required): Username
+    - `password` (optional): For basic authentication
+- Can contain an `anonymous` element to allow for unauthenticated access
+
+##### `<groups>`
+List of user groups.
+- Contains `<group>` elements:
+
+    **Attributes:**
+    - `name`: Group name
+    - Can contain:
+        - `users`: List of user references
+        - `roles`: List of roles (READER/WRITER)
+        - `user-quota`: Per-user quota
+        - `group-quota`: Group-wide quota
+
+#### `<authentication>`
+Configures authentication mechanism. Options:
+- `<basic>`: HTTP basic authentication
+- `<client-certificate>`: TLS certificate authentication, it uses attributes of the subject's X.500 name
+  to extract the username and group of the client.
+
+  Example:
+  ```xml
+    <client-certificate>
+        <user-extractor attribute-name="CN" pattern="(.*)"/>
+        <group-extractor attribute-name="O" pattern="(.*)"/>
+    </client-certificate>
+  ```
+- `<none>`: No authentication
+
+#### `<tls>`
+Configures TLS encryption.
+
+**Child Elements:**
+- `<keystore>`: Server certificate configuration
+
+    **Attributes:**
+    - `file` (required): Keystore file path
+    - `password`: Keystore password
+    - `key-alias` (required): Private key alias
+    - `key-password`: Private key password
+
+- `<truststore>`: Client certificate verification
+
+    **Attributes:**  
+    - `file` (required): Truststore file path
+    - `password`: Truststore password
+    - `check-certificate-status`: Enable CRL/OCSP checking
+    - `require-client-certificate` (default: false): Require client certificates
+
+
+----------------------------
+
+# Complete configuration example
+
+```xml
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+             xmlns:rbcs="urn:net.woggioni.rbcs.server"
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd"
+>
+    <bind host="0.0.0.0" port="8080" incoming-connections-backlog-size="1024"/>
+    <connection
+            max-request-size="67108864"
+            idle-timeout="PT10S"
+            read-idle-timeout="PT20S"
+            write-idle-timeout="PT20S"
+            chunk-size="0x1000"/>
+    <event-executor use-virtual-threads="true"/>
+  
+    <cache xs:type="rbcs:inMemoryCacheType" max-age="P7D" enable-compression="false" max-size="0x10000000" />
+  
+  <!-- uncomment this to enable the filesystem storage backend, sotring cache data in "${sys:java.io.tmpdir}/rbcs"
+    <cache xs:type="rbcs:fileSystemCacheType" max-age="P7D" enable-compression="false" path="${sys:java.io.tmpdir}/rbcs"/>
+  -->
+
+  <!-- uncomment this to use memcache as the storage backend, also make sure you have 
+       the memcache plugin installed in the `plugins` directory if you are using running
+       the jar version of RBCS
+  <cache xs:type="rbcs-memcache:memcacheCacheType" max-age="P7D" digest="MD5">
+    <server host="127.0.0.1" port="11211" max-connections="256"/>
+  </cache>
+  -->
+
+  <authorization>
+        <users>
+            <user name="user1" password="II+qeNLft2pZ/JVNo9F7jpjM/BqEcfsJW27NZ6dPVs8tAwHbxrJppKYsbL7J/SMl">
+                <quota calls="100" period="PT1S"/>
+            </user>
+            <user name="user2" password="v6T9+q6/VNpvLknji3ixPiyz2YZCQMXj2FN7hvzbfc2Ig+IzAHO0iiBCH9oWuBDq"/>
+            <anonymous>
+                <quota calls="10" period="PT60S" initial-available-calls="10" max-available-calls="10"/>
+            </anonymous>
+        </users>
+        <groups>
+            <group name="readers">
+                <users>
+                    <anonymous/>
+                </users>
+                <roles>
+                    <reader/>
+                </roles>
+            </group>
+            <group name="writers">
+                <users>
+                    <user ref="user1"/>
+                    <user ref="user2"/>
+                </users>
+                <roles>
+                    <reader/>
+                    <writer/>
+                </roles>
+            </group>
+        </groups>
+    </authorization>
+    <authentication>
+      <basic/>
+    </authentication>
+</rbcs:server>
+
+```

docker/Dockerfile

@@ -3,9 +3,9 @@ RUN adduser -D luser
 USER luser
 WORKDIR /home/luser
 
-FROM base-release AS release
+FROM base-release AS release-vanilla
 ADD rbcs-cli-envelope-*.jar rbcs.jar
-ENTRYPOINT ["java", "-XX:+UseSerialGC", "-XX:GCTimeRatio=24", "-jar", "/home/luser/rbcs.jar", "server"]
+ENTRYPOINT ["java", "-Dlogback.configurationFile=logback.xml", "-XX:MaxRAMPercentage=70", "-XX:GCTimeRatio=24", "-XX:+UseZGC", "-XX:+ZGenerational", "-jar", "/home/luser/rbcs.jar"]
 
 FROM base-release AS release-memcache
 ADD --chown=luser:luser rbcs-cli-envelope-*.jar rbcs.jar
@@ -14,4 +14,29 @@ WORKDIR /home/luser/plugins
 RUN --mount=type=bind,source=.,target=/build/distributions tar -xf /build/distributions/rbcs-server-memcache*.tar
 WORKDIR /home/luser
 ADD logback.xml .
-ENTRYPOINT ["java", "-Dlogback.configurationFile=logback.xml", "-XX:+UseSerialGC", "-XX:GCTimeRatio=24", "-jar", "/home/luser/rbcs.jar", "server"]
+ENTRYPOINT ["java", "-Dlogback.configurationFile=logback.xml", "-XX:MaxRAMPercentage=70", "-XX:GCTimeRatio=24", "-XX:+UseZGC", "-XX:+ZGenerational", "-jar", "/home/luser/rbcs.jar"]
+
+FROM busybox:musl AS base-native
+RUN mkdir -p /var/lib/rbcs /etc/rbcs
+RUN adduser -D -u 1000 rbcs -h /var/lib/rbcs
+
+FROM scratch AS release-native
+COPY --from=base-native /etc/passwd /etc/passwd
+COPY --from=base-native /etc/rbcs /etc/rbcs
+COPY --from=base-native /var/lib/rbcs /var/lib/rbcs
+ADD rbcs-cli.upx /usr/bin/rbcs-cli
+ENV RBCS_CONFIGURATION_DIR="/etc/rbcs"
+USER rbcs
+WORKDIR /var/lib/rbcs
+ENTRYPOINT ["/usr/bin/rbcs-cli", "-XX:MaximumHeapSizePercent=70"]
+
+FROM debian:12-slim AS release-jlink
+RUN mkdir -p /usr/share/java/rbcs
+RUN --mount=type=bind,source=.,target=/build/distributions tar -xf /build/distributions/rbcs-cli*.tar -C /usr/share/java/rbcs
+ADD --chmod=755 rbcs-cli.sh /usr/local/bin/rbcs-cli
+RUN adduser -u 1000 luser
+USER luser
+WORKDIR /home/luser
+ADD logback.xml .
+ENV JAVA_OPTS=-XX:-UseJVMCICompiler\ -Dlogback.configurationFile=logback.xml\ -XX:MaxRAMPercentage=70\ -XX:GCTimeRatio=24\ -XX:+UseZGC\ -XX:+ZGenerational
+ENTRYPOINT ["/usr/local/bin/rbcs-cli"]

docker/README.md

@@ -0,0 +1,28 @@
+# RBCS Docker images
+There are 3 image flavours:
+- vanilla
+- memcache
+- native
+
+The `vanilla` image only contains the envelope 
+jar file with no plugins and is based on `eclipse-temurin:21-jre-alpine`
+
+The `memcache` image is similar to the `vanilla` image, except that it also contains
+the `rbcs-server-memcache` plugin in the `plugins` folder, use this image if you don't want to use the `native`
+image and want to use memcache as the cache backend
+
+The `native` image contains a native, statically-linked executable created with GraalVM Native Image
+that has no userspace dependencies. It also embeds the memcache plugin inside the executable.
+Use this image for maximum efficiency and minimal memory footprint. 
+
+The `jlink` image contains a custom Java runtime created with GraalVM's Jlink
+that only depends on glibc. It also contains the memcache plugin in the module path.
+Use this image for best performance.
+
+## Which image should I use?
+The `native` image uses Java's SerialGC, so it's ideal for constrained environment like containers or small servers,
+if you have a lot of resources and want to squeeze out the maximum throughput you should consider the
+`vanilla` or `memcache` image, then choose and fine tune the garbage collector.
+
+Also the `native` image is only available for the `x86_64` architecture at the moment, 
+while `vanilla` and `memcache` also ship a `aarch64` variant.

docker/build.gradle

@@ -29,7 +29,7 @@ Provider<Copy> prepareDockerBuild = tasks.register('prepareDockerBuild', Copy) {
     group = 'docker'
     into project.layout.buildDirectory.file('docker')
     from(configurations.docker)
-    from(file('Dockerfile'))
+    from(files('Dockerfile', 'rbcs-cli.sh'))
     from(rootProject.file('conf')) {
         include 'logback.xml'
     }

docker/rbcs-cli.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+DIR=/usr/share/java/rbcs
+$DIR/bin/java $JAVA_OPTS -m net.woggioni.rbcs.cli "$@"

gradle.properties

@@ -2,9 +2,9 @@ org.gradle.configuration-cache=false
 org.gradle.parallel=true
 org.gradle.caching=true
 
-rbcs.version = 0.2.0
+rbcs.version = 0.3.0-SNAPSHOT
 
-lys.version = 2025.02.08
+lys.version = 2025.06.10
 
 gitea.maven.url = https://gitea.woggioni.net/api/packages/woggioni/maven
 docker.registry.url=gitea.woggioni.net

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.2-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -86,8 +86,7 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
-' "$PWD" ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum

rbcs-api/build.gradle

@@ -5,9 +5,12 @@ plugins {
 }
 
 dependencies {
+    implementation catalog.slf4j.api
+    implementation project(':rbcs-common')
     api catalog.netty.common
     api catalog.netty.buffer
     api catalog.netty.handler
+    api catalog.netty.codec.http
 }
 
 publishing {

rbcs-api/src/main/java/module-info.java

@@ -1,10 +1,15 @@
 module net.woggioni.rbcs.api {
     requires static lombok;
-    requires java.xml;
-    requires io.netty.buffer;
     requires io.netty.handler;
-    requires io.netty.transport;
     requires io.netty.common;
+    requires net.woggioni.rbcs.common;
+    requires io.netty.transport;
+    requires io.netty.codec.http;
+    requires io.netty.buffer;
+    requires org.slf4j;
+    requires java.xml;
+
+
     exports net.woggioni.rbcs.api;
     exports net.woggioni.rbcs.api.exception;
     exports net.woggioni.rbcs.api.message;

rbcs-api/src/main/java/net/woggioni/rbcs/api/CacheHandler.java

@@ -0,0 +1,57 @@
+package net.woggioni.rbcs.api;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.handler.codec.http.LastHttpContent;
+import io.netty.util.ReferenceCounted;
+import lombok.extern.slf4j.Slf4j;
+import net.woggioni.rbcs.api.message.CacheMessage;
+
+@Slf4j
+public abstract class CacheHandler extends ChannelInboundHandlerAdapter {
+    private boolean requestFinished = false;
+
+    abstract protected void channelRead0(ChannelHandlerContext ctx, CacheMessage msg);
+
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, Object msg) {
+        if(!requestFinished && msg instanceof CacheMessage) {
+            if(msg instanceof CacheMessage.LastCacheContent) requestFinished = true;
+            try {
+                channelRead0(ctx, (CacheMessage) msg);
+            } finally {
+                if(msg instanceof ReferenceCounted rc) rc.release();
+            }
+        } else {
+            ctx.fireChannelRead(msg);
+        }
+    }
+
+    protected void sendMessageAndFlush(ChannelHandlerContext ctx, Object msg) {
+        sendMessage(ctx, msg, true);
+    }
+
+    protected void sendMessage(ChannelHandlerContext ctx, Object msg) {
+        sendMessage(ctx, msg, false);
+    }
+
+    private void sendMessage(ChannelHandlerContext ctx, Object msg, boolean flush) {
+        ctx.write(msg);
+        if(
+                msg instanceof CacheMessage.LastCacheContent ||
+                msg instanceof CacheMessage.CachePutResponse ||
+                msg instanceof CacheMessage.CacheValueNotFoundResponse ||
+                msg instanceof LastHttpContent
+        ) {
+            ctx.flush();
+            ctx.pipeline().remove(this);
+        } else if(flush) {
+            ctx.flush();
+        }
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
+        super.exceptionCaught(ctx, cause);
+    }
+}

rbcs-api/src/main/java/net/woggioni/rbcs/api/CacheHandlerFactory.java

@@ -1,13 +1,13 @@
 package net.woggioni.rbcs.api;
 
 import io.netty.channel.ChannelFactory;
-import io.netty.channel.ChannelHandler;
 import io.netty.channel.EventLoopGroup;
 import io.netty.channel.socket.DatagramChannel;
 import io.netty.channel.socket.SocketChannel;
 
 public interface CacheHandlerFactory extends AsyncCloseable {
-    ChannelHandler newHandler(
+    CacheHandler newHandler(
+            Configuration configuration,
             EventLoopGroup eventLoopGroup,
             ChannelFactory<SocketChannel> socketChannelFactory,
             ChannelFactory<DatagramChannel> datagramChannelFactory

rbcs-api/src/main/java/net/woggioni/rbcs/api/CacheValueMetadata.java

@@ -1,10 +1,9 @@
 package net.woggioni.rbcs.api;
 
+import java.io.Serializable;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 
-import java.io.Serializable;
-
 @Getter
 @RequiredArgsConstructor
 public class CacheValueMetadata implements Serializable {

rbcs-api/src/main/java/net/woggioni/rbcs/api/Configuration.java

@@ -1,16 +1,15 @@
 package net.woggioni.rbcs.api;
 
 
-import lombok.EqualsAndHashCode;
-import lombok.NonNull;
-import lombok.Value;
-
 import java.nio.file.Path;
 import java.security.cert.X509Certificate;
 import java.time.Duration;
 import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
+import lombok.EqualsAndHashCode;
+import lombok.NonNull;
+import lombok.Value;
 
 @Value
 public class Configuration {
@@ -39,6 +38,7 @@ public class Configuration {
         Duration readIdleTimeout;
         Duration writeIdleTimeout;
         int maxRequestSize;
+        int chunkSize;
     }
 
     @Value

rbcs-api/src/main/java/net/woggioni/rbcs/api/Role.java

@@ -1,5 +1,5 @@
 package net.woggioni.rbcs.api;
 
 public enum Role {
-    Reader, Writer
+    Reader, Writer, Healthcheck
 }

rbcs-cli/build.gradle

@@ -12,21 +12,50 @@ plugins {
 import net.woggioni.gradle.envelope.EnvelopePlugin
 import net.woggioni.gradle.envelope.EnvelopeJarTask
 import net.woggioni.gradle.graalvm.NativeImageConfigurationTask
-import net.woggioni.gradle.graalvm.NativeImagePlugin
 import net.woggioni.gradle.graalvm.NativeImageTask
+import net.woggioni.gradle.graalvm.NativeImagePlugin
+import net.woggioni.gradle.graalvm.UpxTask
 import net.woggioni.gradle.graalvm.JlinkPlugin
 import net.woggioni.gradle.graalvm.JlinkTask
 
+
+sourceSets {
+    configureNativeImage {
+        java {
+        }
+        kotlin {
+
+        }
+    }
+}
+
 configurations {
+
     release {
         transitive = false
         canBeConsumed = true
         canBeResolved = true
         visible = true
     }
+
+    configureNativeImageImplementation {
+        extendsFrom implementation
+    }
+
+    configureNativeImageRuntimeOnly {
+        extendsFrom runtimeOnly
+    }
+
+    nativeImage {
+        extendsFrom runtimeClasspath
+    }
+
 }
 
 dependencies {
+    configureNativeImageImplementation project
+    configureNativeImageImplementation project(':rbcs-server-memcache')
+
     implementation catalog.jwo
     implementation catalog.slf4j.api
     implementation catalog.picocli
@@ -37,6 +66,8 @@ dependencies {
 //    runtimeOnly catalog.slf4j.jdk14
     runtimeOnly catalog.logback.classic
 //    runtimeOnly catalog.slf4j.simple
+    nativeImage project(':rbcs-server-memcache')
+
 }
 
 
@@ -49,6 +80,8 @@ tasks.named(JavaPlugin.COMPILE_JAVA_TASK_NAME, JavaCompile) {
     options.javaModuleMainClass = mainClassName
 }
 
+Provider<Jar> jarTaskProvider = tasks.named(JavaPlugin.JAR_TASK_NAME, Jar)
+
 Provider<EnvelopeJarTask> envelopeJarTaskProvider = tasks.named(EnvelopePlugin.ENVELOPE_JAR_TASK_NAME, EnvelopeJarTask.class) {
     mainModule = mainModuleName
     mainClass = mainClassName
@@ -60,20 +93,65 @@ Provider<EnvelopeJarTask> envelopeJarTaskProvider = tasks.named(EnvelopePlugin.E
 }
 
 tasks.named(NativeImagePlugin.CONFIGURE_NATIVE_IMAGE_TASK_NAME, NativeImageConfigurationTask) {
-    mainClass = mainClassName
-    mainModule = mainModuleName
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+        vendor = JvmVendorSpec.GRAAL_VM
+    }
+    mainClass = "net.woggioni.rbcs.cli.graal.GraalNativeImageConfiguration"
+    classpath = project.files(
+        configurations.configureNativeImageRuntimeClasspath,
+        sourceSets.configureNativeImage.output
+    )
+    mergeConfiguration = false
+    systemProperty('logback.configurationFile', 'classpath:net/woggioni/rbcs/cli/logback.xml')
+    systemProperty('io.netty.leakDetectionLevel', 'DISABLED')
+    modularity.inferModulePath = false
+    enabled = true
+    systemProperty('gradle.tmp.dir', temporaryDir.toString())
 }
 
-tasks.named(NativeImagePlugin.NATIVE_IMAGE_TASK_NAME, NativeImageTask) {
+nativeImage {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(23)
+        vendor = JvmVendorSpec.GRAAL_VM
+    }
     mainClass = mainClassName
-    mainModule = mainModuleName
+//    mainModule = mainModuleName
     useMusl = true
     buildStaticImage = true
+    linkAtBuildTime = false
+    classpath = project.files(jarTaskProvider, configurations.nativeImage)
+    compressExecutable = true
+    compressionLevel = 6
+    useLZMA = false
+}
+
+Provider<UpxTask> upxTaskProvider = tasks.named(NativeImagePlugin.UPX_TASK_NAME, UpxTask) {
+}
+
+Provider<JlinkTask> jlinkTaskProvider = tasks.named(JlinkPlugin.JLINK_TASK_NAME, JlinkTask) {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+        vendor = JvmVendorSpec.GRAAL_VM
     }
 
-tasks.named(JlinkPlugin.JLINK_TASK_NAME, JlinkTask) {
     mainClass = mainClassName
     mainModule = 'net.woggioni.rbcs.cli'
+    classpath = project.files(
+            configurations.configureNativeImageRuntimeClasspath,
+            sourceSets.configureNativeImage.output
+    )
+    additionalModules = [
+        'net.woggioni.rbcs.server.memcache',
+        'ch.qos.logback.classic',
+        'jdk.crypto.ec'
+    ]
+    compressionLevel = 2
+    stripDebug = false
+}
+
+Provider<Tar> jlinkDistTarTaskProvider = tasks.named(JlinkPlugin.JLINK_DIST_TAR_TASK_NAME, Tar) {
+    exclude 'lib/libjvmcicompiler.so'
 }
 
 tasks.named(JavaPlugin.PROCESS_RESOURCES_TASK_NAME, ProcessResources) {
@@ -86,14 +164,21 @@ tasks.named(JavaPlugin.PROCESS_RESOURCES_TASK_NAME, ProcessResources) {
 
 artifacts {
     release(envelopeJarTaskProvider)
+    release(upxTaskProvider)
+    release(jlinkDistTarTaskProvider)
 }
 
 publishing {
     publications {
         maven(MavenPublication) {
             artifact envelopeJar
+            artifact(upxTaskProvider) {
+                classifier = "linux-x86_64"
+                extension = "exe"
+            }
         }
     }
 }
 
 
+

rbcs-cli/conf/rbcs-client.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<rbcs-client:profiles xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+                      xmlns:rbcs-client="urn:net.woggioni.rbcs.client"
+                      xs:schemaLocation="urn:net.woggioni.rbcs.client jpms://net.woggioni.rbcs.client/net/woggioni/rbcs/client/schema/rbcs-client.xsd"
+>
+    <profile name="profile1" base-url="https://rbcs1.example.com/">
+        <no-auth/>
+        <connection write-idle-timeout="PT60S"
+                    read-idle-timeout="PT60S"
+                    idle-timeout="PT30S" />
+    </profile>
+    <profile name="profile2" base-url="https://rbcs2.example.com/">
+        <basic-auth user="user" password="password"/>
+    </profile>
+</rbcs-client:profiles>

rbcs-cli/conf/rbcs-server.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+             xmlns:rbcs="urn:net.woggioni.rbcs.server"
+             xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
+             xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd"
+>
+    <bind host="127.0.0.1" port="8080" incoming-connections-backlog-size="1024"/>
+    <connection
+            max-request-size="67108864"
+            idle-timeout="PT10S"
+            read-idle-timeout="PT20S"
+            write-idle-timeout="PT20S"/>
+    <event-executor use-virtual-threads="true"/>
+    <cache xs:type="rbcs-memcache:memcacheCacheType" max-age="P7D" chunk-size="0x1000" digest="MD5">
+        <server host="127.0.0.1" port="11211" max-connections="256"/>
+    </cache>
+    <!--cache xs:type="rbcs:inMemoryCacheType" max-age="P7D" enable-compression="false" max-size="0x10000000" /-->
+    <!--cache xs:type="rbcs:fileSystemCacheType" max-age="P7D" enable-compression="false" /-->
+    <authorization>
+        <users>
+            <user name="woggioni" password="II+qeNLft2pZ/JVNo9F7jpjM/BqEcfsJW27NZ6dPVs8tAwHbxrJppKYsbL7J/SMl">
+                <quota calls="100" period="PT1S"/>
+            </user>
+            <user name="gitea" password="v6T9+q6/VNpvLknji3ixPiyz2YZCQMXj2FN7hvzbfc2Ig+IzAHO0iiBCH9oWuBDq"/>
+            <anonymous>
+                <quota calls="10" period="PT60S" initial-available-calls="10" max-available-calls="10"/>
+            </anonymous>
+        </users>
+        <groups>
+            <group name="readers">
+                <users>
+                    <anonymous/>
+                </users>
+                <roles>
+                    <reader/>
+                </roles>
+            </group>
+            <group name="writers">
+                <users>
+                    <user ref="woggioni"/>
+                    <user ref="gitea"/>
+                </users>
+                <roles>
+                    <reader/>
+                    <writer/>
+                </roles>
+            </group>
+        </groups>
+    </authorization>
+    <authentication>
+        <none/>
+    </authentication>
+</rbcs:server>

rbcs-cli/native-image/jni-config.json

@@ -0,0 +1,6 @@
+[
+{
+  "name":"java.lang.Boolean",
+  "methods":[{"name":"getBoolean","parameterTypes":["java.lang.String"] }]
+}
+]

rbcs-cli/native-image/native-image.properties

@@ -1,2 +1,2 @@
-Args=-H:Optimize=3 --gc=serial --initialize-at-run-time=io.netty
+Args=-O3 -march=x86-64-v2 --gc=serial --install-exit-handlers --initialize-at-run-time=io.netty --enable-url-protocols=jpms --initialize-at-build-time=net.woggioni.rbcs.common.RbcsUrlStreamHandlerFactory,net.woggioni.rbcs.common.RbcsUrlStreamHandlerFactory$JpmsHandler
 #-H:TraceClassInitialization=io.netty.handler.ssl.BouncyCastleAlpnSslUtils

rbcs-cli/native-image/predefined-classes-config.json

@@ -0,0 +1,8 @@
+[
+  {
+    "type":"agent-extracted",
+    "classes":[
+    ]
+  }
+]
+

rbcs-cli/native-image/proxy-config.json

@@ -0,0 +1,2 @@
+[
+]

rbcs-cli/native-image/reflect-config.json

@@ -0,0 +1,728 @@
+[
+{
+  "name":"android.os.Build$VERSION"
+},
+{
+  "name":"ch.qos.logback.classic.encoder.PatternLayoutEncoder",
+  "queryAllPublicMethods":true,
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"ch.qos.logback.classic.joran.SerializedModelConfigurator",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"ch.qos.logback.classic.util.DefaultJoranConfigurator",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"ch.qos.logback.core.ConsoleAppender",
+  "queryAllPublicMethods":true,
+  "methods":[{"name":"<init>","parameterTypes":[] }, {"name":"setTarget","parameterTypes":["java.lang.String"] }]
+},
+{
+  "name":"ch.qos.logback.core.OutputStreamAppender",
+  "methods":[{"name":"setEncoder","parameterTypes":["ch.qos.logback.core.encoder.Encoder"] }]
+},
+{
+  "name":"ch.qos.logback.core.encoder.Encoder",
+  "methods":[{"name":"valueOf","parameterTypes":["java.lang.String"] }]
+},
+{
+  "name":"ch.qos.logback.core.encoder.LayoutWrappingEncoder",
+  "methods":[{"name":"setParent","parameterTypes":["ch.qos.logback.core.spi.ContextAware"] }]
+},
+{
+  "name":"ch.qos.logback.core.pattern.PatternLayoutEncoderBase",
+  "methods":[{"name":"setPattern","parameterTypes":["java.lang.String"] }]
+},
+{
+  "name":"ch.qos.logback.core.spi.ContextAware",
+  "methods":[{"name":"valueOf","parameterTypes":["java.lang.String"] }]
+},
+{
+  "name":"com.aayushatharva.brotli4j.Brotli4jLoader"
+},
+{
+  "name":"com.github.luben.zstd.Zstd"
+},
+{
+  "name":"com.sun.crypto.provider.AESCipher$General",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.ARCFOURCipher",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.ChaCha20Cipher$ChaCha20Poly1305",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.DESCipher",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.DESedeCipher",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.DHParameters",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.GaloisCounterMode$AESGCM",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.HmacCore$HmacSHA512",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.PBKDF2Core$HmacSHA512",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.crypto.provider.TlsMasterSecretGenerator",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.org.apache.xerces.internal.impl.dv.xs.ExtendedSchemaDVFactoryImpl",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.org.apache.xerces.internal.impl.dv.xs.SchemaDVFactoryImpl",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"groovy.lang.Closure"
+},
+{
+  "name":"io.netty.bootstrap.ServerBootstrap$1"
+},
+{
+  "name":"io.netty.bootstrap.ServerBootstrap$ServerBootstrapAcceptor",
+  "methods":[{"name":"channelRead","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Object"] }, {"name":"exceptionCaught","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Throwable"] }]
+},
+{
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+  "queryAllDeclaredMethods":true
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+  "name":"io.netty.buffer.AdaptivePoolingAllocator$Chunk",
+  "fields":[{"name":"refCnt"}]
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+  "name":"io.netty.buffer.AdaptivePoolingAllocator$Magazine",
+  "fields":[{"name":"nextInLine"}]
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+  "name":"io.netty.channel.AbstractChannelHandlerContext",
+  "fields":[{"name":"handlerState"}]
+},
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+  "name":"io.netty.channel.ChannelDuplexHandler",
+  "methods":[{"name":"bind","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.net.SocketAddress","io.netty.channel.ChannelPromise"] }, {"name":"close","parameterTypes":["io.netty.channel.ChannelHandlerContext","io.netty.channel.ChannelPromise"] }, {"name":"connect","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.net.SocketAddress","java.net.SocketAddress","io.netty.channel.ChannelPromise"] }, {"name":"deregister","parameterTypes":["io.netty.channel.ChannelHandlerContext","io.netty.channel.ChannelPromise"] }, {"name":"disconnect","parameterTypes":["io.netty.channel.ChannelHandlerContext","io.netty.channel.ChannelPromise"] }, {"name":"flush","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"read","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"write","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Object","io.netty.channel.ChannelPromise"] }]
+},
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+  "methods":[{"name":"exceptionCaught","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Throwable"] }]
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+  "name":"io.netty.channel.ChannelInboundHandlerAdapter",
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+},
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+  "name":"io.netty.channel.ChannelOutboundBuffer",
+  "fields":[{"name":"totalPendingSize"}, {"name":"unwritable"}]
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+},
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+  "name":"io.netty.channel.DefaultChannelConfig",
+  "fields":[{"name":"autoRead"}, {"name":"writeBufferWaterMark"}]
+},
+{
+  "name":"io.netty.channel.DefaultChannelPipeline",
+  "fields":[{"name":"estimatorHandle"}]
+},
+{
+  "name":"io.netty.channel.DefaultChannelPipeline$HeadContext",
+  "methods":[{"name":"bind","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.net.SocketAddress","io.netty.channel.ChannelPromise"] }, {"name":"channelActive","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"channelInactive","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"channelRead","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Object"] }, {"name":"channelReadComplete","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"channelRegistered","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"channelUnregistered","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"channelWritabilityChanged","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"close","parameterTypes":["io.netty.channel.ChannelHandlerContext","io.netty.channel.ChannelPromise"] }, {"name":"connect","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.net.SocketAddress","java.net.SocketAddress","io.netty.channel.ChannelPromise"] }, {"name":"deregister","parameterTypes":["io.netty.channel.ChannelHandlerContext","io.netty.channel.ChannelPromise"] }, {"name":"disconnect","parameterTypes":["io.netty.channel.ChannelHandlerContext","io.netty.channel.ChannelPromise"] }, {"name":"exceptionCaught","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Throwable"] }, {"name":"flush","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"read","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"userEventTriggered","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Object"] }, {"name":"write","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Object","io.netty.channel.ChannelPromise"] }]
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+},
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+  "name":"io.netty.handler.codec.memcache.binary.BinaryMemcacheClientCodec"
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+  "name":"java.lang.Thread",
+  "fields":[{"name":"threadLocalRandomProbe"}],
+  "methods":[{"name":"isVirtual","parameterTypes":[] }]
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+  "name":"java.nio.Bits",
+  "fields":[{"name":"MAX_MEMORY"}, {"name":"UNALIGNED"}]
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+  "name":"java.nio.channels.spi.SelectorProvider",
+  "methods":[{"name":"openServerSocketChannel","parameterTypes":["java.net.ProtocolFamily"] }, {"name":"openSocketChannel","parameterTypes":["java.net.ProtocolFamily"] }]
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+  "name":"java.nio.file.Path"
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+  "methods":[{"name":"get","parameterTypes":["java.lang.String","java.lang.String[]"] }]
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+  "name":"java.security.AlgorithmParametersSpi"
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+  "name":"java.security.KeyStoreSpi"
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+  "name":"java.security.SecureRandomParameters"
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+  "name":"java.sql.Connection"
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+  "name":"java.sql.Driver"
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+  "name":"java.sql.DriverManager",
+  "methods":[{"name":"getConnection","parameterTypes":["java.lang.String"] }, {"name":"getDriver","parameterTypes":["java.lang.String"] }]
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+  "methods":[{"name":"<init>","parameterTypes":["long"] }]
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+  "methods":[{"name":"valueOf","parameterTypes":["java.lang.String"] }]
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+  "name":"net.woggioni.rbcs.cli.RemoteBuildCacheServerCli",
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+  "name":"net.woggioni.rbcs.cli.impl.commands.ClientCommand",
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+  "name":"net.woggioni.rbcs.cli.impl.commands.HealthCheckCommand",
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+  "queryAllDeclaredMethods":true
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+  "name":"net.woggioni.rbcs.cli.impl.commands.PasswordHashCommand",
+  "allDeclaredFields":true,
+  "queryAllDeclaredMethods":true
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+  "name":"net.woggioni.rbcs.cli.impl.commands.PutCommand",
+  "allDeclaredFields":true,
+  "queryAllDeclaredMethods":true
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+  "name":"net.woggioni.rbcs.cli.impl.commands.ServerCommand",
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+  "methods":[{"name":"<init>","parameterTypes":[] }]
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+  "name":"net.woggioni.rbcs.cli.impl.converters.OutputStreamConverter",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
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+{
+  "name":"net.woggioni.rbcs.server.memcache.client.MemcacheClient$sendRequest$1$operationComplete$handler$1",
+  "methods":[{"name":"channelInactive","parameterTypes":["io.netty.channel.ChannelHandlerContext"] }, {"name":"exceptionCaught","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Throwable"] }]
+},
+{
+  "name":"net.woggioni.rbcs.server.throttling.ThrottlingHandler",
+  "methods":[{"name":"channelRead","parameterTypes":["io.netty.channel.ChannelHandlerContext","java.lang.Object"] }]
+},
+{
+  "name":"sun.misc.Unsafe",
+  "fields":[{"name":"theUnsafe"}],
+  "methods":[{"name":"copyMemory","parameterTypes":["java.lang.Object","long","java.lang.Object","long","long"] }, {"name":"getAndAddLong","parameterTypes":["java.lang.Object","long","long"] }, {"name":"getAndSetObject","parameterTypes":["java.lang.Object","long","java.lang.Object"] }, {"name":"invokeCleaner","parameterTypes":["java.nio.ByteBuffer"] }]
+},
+{
+  "name":"sun.nio.ch.SelectorImpl",
+  "fields":[{"name":"publicSelectedKeys"}, {"name":"selectedKeys"}]
+},
+{
+  "name":"sun.security.pkcs12.PKCS12KeyStore",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.pkcs12.PKCS12KeyStore$DualFormatPKCS12",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.DSA$SHA224withDSA",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.DSA$SHA256withDSA",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.MD5",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.NativePRNG",
+  "methods":[{"name":"<init>","parameterTypes":[] }, {"name":"<init>","parameterTypes":["java.security.SecureRandomParameters"] }]
+},
+{
+  "name":"sun.security.provider.NativePRNG$NonBlocking",
+  "methods":[{"name":"<init>","parameterTypes":[] }, {"name":"<init>","parameterTypes":["java.security.SecureRandomParameters"] }]
+},
+{
+  "name":"sun.security.provider.SHA",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.SHA2$SHA224",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.SHA2$SHA256",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.SHA5$SHA384",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.SHA5$SHA512",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.provider.X509Factory",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.rsa.PSSParameters",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.rsa.RSAKeyFactory$Legacy",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.rsa.RSAPSSSignature",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.rsa.RSASignature$SHA224withRSA",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.ssl.KeyManagerFactoryImpl$SunX509",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.ssl.SSLContextImpl$DefaultSSLContext",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.ssl.SSLContextImpl$TLSContext",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.ssl.TrustManagerFactoryImpl$PKIXFactory",
+  "methods":[{"name":"<init>","parameterTypes":[] }]
+},
+{
+  "name":"sun.security.x509.AuthorityInfoAccessExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.AuthorityKeyIdentifierExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.BasicConstraintsExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.CRLDistributionPointsExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.CertificatePoliciesExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.ExtendedKeyUsageExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.IssuerAlternativeNameExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.KeyUsageExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.NetscapeCertTypeExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.PrivateKeyUsageExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.SubjectAlternativeNameExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+},
+{
+  "name":"sun.security.x509.SubjectKeyIdentifierExtension",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.Boolean","java.lang.Object"] }]
+}
+]

rbcs-cli/native-image/resource-config.json

@@ -0,0 +1,46 @@
+{
+  "resources":{
+  "includes":[{
+    "pattern":"\\QMETA-INF/MANIFEST.MF\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/ch.qos.logback.classic.spi.Configurator\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/java.lang.System$LoggerFinder\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/java.net.spi.InetAddressResolverProvider\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/java.net.spi.URLStreamHandlerProvider\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/java.nio.channels.spi.SelectorProvider\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/java.time.zone.ZoneRulesProvider\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/javax.xml.parsers.DocumentBuilderFactory\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/javax.xml.parsers.SAXParserFactory\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/net.woggioni.rbcs.api.CacheProvider\\E"
+  }, {
+    "pattern":"\\QMETA-INF/services/org.slf4j.spi.SLF4JServiceProvider\\E"
+  }, {
+    "pattern":"\\Qclasspath:net/woggioni/rbcs/cli/logback.xml\\E"
+  }, {
+    "pattern":"\\Qlogback-test.scmo\\E"
+  }, {
+    "pattern":"\\Qlogback.scmo\\E"
+  }, {
+    "pattern":"\\Qnet/woggioni/rbcs/cli/logback.xml\\E"
+  }, {
+    "pattern":"\\Qnet/woggioni/rbcs/client/schema/rbcs-client.xsd\\E"
+  }, {
+    "pattern":"\\Qnet/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd\\E"
+  }, {
+    "pattern":"\\Qnet/woggioni/rbcs/server/rbcs-default.xml\\E"
+  }, {
+    "pattern":"\\Qnet/woggioni/rbcs/server/schema/rbcs-server.xsd\\E"
+  }]},
+  "bundles":[{
+    "name":"com.sun.org.apache.xerces.internal.impl.xpath.regex.message",
+    "locales":[""]
+  }]
+}

rbcs-cli/native-image/serialization-config.json

@@ -0,0 +1,14 @@
+{
+  "types":[
+    {
+      "name":"java.lang.String"
+    },
+    {
+      "name":"net.woggioni.rbcs.api.CacheValueMetadata"
+    }
+  ],
+  "lambdaCapturingTypes":[
+  ],
+  "proxies":[
+  ]
+}

rbcs-cli/src/configureNativeImage/kotlin/net/woggioni/rbcs/cli/graal/GraalNativeImageConfiguration.kt

@@ -0,0 +1,186 @@
+package net.woggioni.rbcs.cli.graal
+
+import net.woggioni.jwo.NullOutputStream
+import net.woggioni.rbcs.api.Configuration
+import net.woggioni.rbcs.api.Configuration.User
+import net.woggioni.rbcs.api.Role
+import net.woggioni.rbcs.cli.RemoteBuildCacheServerCli
+import net.woggioni.rbcs.cli.impl.commands.BenchmarkCommand
+import net.woggioni.rbcs.cli.impl.commands.GetCommand
+import net.woggioni.rbcs.cli.impl.commands.HealthCheckCommand
+import net.woggioni.rbcs.cli.impl.commands.PutCommand
+import net.woggioni.rbcs.common.HostAndPort
+import net.woggioni.rbcs.common.PasswordSecurity.hashPassword
+import net.woggioni.rbcs.common.RBCS
+import net.woggioni.rbcs.common.Xml
+import net.woggioni.rbcs.server.RemoteBuildCacheServer
+import net.woggioni.rbcs.server.cache.FileSystemCacheConfiguration
+import net.woggioni.rbcs.server.cache.InMemoryCacheConfiguration
+import net.woggioni.rbcs.server.configuration.Parser
+import net.woggioni.rbcs.server.memcache.MemcacheCacheConfiguration
+import java.io.ByteArrayInputStream
+import java.net.URI
+import java.nio.file.Path
+import java.time.Duration
+import java.time.temporal.ChronoUnit
+import java.util.concurrent.ExecutionException
+import java.util.zip.Deflater
+import net.woggioni.rbcs.client.Configuration as ClientConfiguration
+import net.woggioni.rbcs.client.impl.Parser as ClientConfigurationParser
+
+object GraalNativeImageConfiguration {
+    @JvmStatic
+    fun main(vararg args : String) {
+
+        val serverURL = URI.create("file:conf/rbcs-server.xml").toURL()
+        val serverDoc = serverURL.openStream().use {
+            Xml.parseXml(serverURL, it)
+        }
+        Parser.parse(serverDoc)
+
+        val url = URI.create("file:conf/rbcs-client.xml").toURL()
+        val clientDoc = url.openStream().use {
+            Xml.parseXml(url, it)
+        }
+        ClientConfigurationParser.parse(clientDoc)
+
+        val PASSWORD = "password"
+        val readersGroup = Configuration.Group("readers", setOf(Role.Reader, Role.Healthcheck), null, null)
+        val writersGroup = Configuration.Group("writers", setOf(Role.Writer), null, null)
+
+
+        val users = listOf(
+            User("user1", hashPassword(PASSWORD), setOf(readersGroup), null),
+            User("user2", hashPassword(PASSWORD), setOf(writersGroup), null),
+            User("user3", hashPassword(PASSWORD), setOf(readersGroup, writersGroup), null),
+            User("", null, setOf(readersGroup), null),
+            User("user4", hashPassword(PASSWORD), setOf(readersGroup),
+                Configuration.Quota(1, Duration.of(1, ChronoUnit.DAYS), 0, 1)
+            ),
+            User("user5", hashPassword(PASSWORD), setOf(readersGroup),
+                Configuration.Quota(1, Duration.of(5, ChronoUnit.SECONDS), 0, 1)
+            )
+        )
+
+        val serverPort = RBCS.getFreePort()
+
+        val caches = listOf<Configuration.Cache>(
+            InMemoryCacheConfiguration(
+                maxAge = Duration.ofSeconds(3600),
+                digestAlgorithm = "MD5",
+                compressionLevel = Deflater.DEFAULT_COMPRESSION,
+                compressionEnabled = false,
+                maxSize = 0x1000000,
+            ),
+            FileSystemCacheConfiguration(
+                Path.of(System.getProperty("java.io.tmpdir")).resolve("rbcs"),
+                maxAge = Duration.ofSeconds(3600),
+                digestAlgorithm = "MD5",
+                compressionLevel = Deflater.DEFAULT_COMPRESSION,
+                compressionEnabled = false,
+            ),
+            MemcacheCacheConfiguration(
+                listOf(MemcacheCacheConfiguration.Server(
+                    HostAndPort("127.0.0.1", 11211),
+                    1000,
+                    4)
+                ),
+                Duration.ofSeconds(60),
+                "MD5",
+                null,
+                1,
+            )
+        )
+
+        for (cache in caches) {
+            val serverConfiguration = Configuration(
+                "127.0.0.1",
+                serverPort,
+                100,
+                null,
+                Configuration.EventExecutor(true),
+                Configuration.Connection(
+                    Duration.ofSeconds(10),
+                    Duration.ofSeconds(15),
+                    Duration.ofSeconds(15),
+                    0x10000,
+                    0x1000
+                ),
+                users.asSequence().map { it.name to it }.toMap(),
+                sequenceOf(writersGroup, readersGroup).map { it.name to it }.toMap(),
+                cache,
+                Configuration.BasicAuthentication(),
+                null,
+            )
+
+            MemcacheCacheConfiguration(
+                listOf(
+                    MemcacheCacheConfiguration.Server(
+                        HostAndPort("127.0.0.1", 11211),
+                        1000,
+                        4
+                    )
+                ),
+                Duration.ofSeconds(60),
+                "MD5",
+                null,
+                1,
+            )
+
+            val serverHandle = RemoteBuildCacheServer(serverConfiguration).run()
+
+
+            val clientProfile = ClientConfiguration.Profile(
+                URI.create("http://127.0.0.1:$serverPort/"),
+                ClientConfiguration.Connection(
+                    Duration.ofSeconds(5),
+                    Duration.ofSeconds(5),
+                    Duration.ofSeconds(7),
+                    true,
+                ),
+                ClientConfiguration.Authentication.BasicAuthenticationCredentials("user3", PASSWORD),
+                Duration.ofSeconds(3),
+                10,
+                true,
+                ClientConfiguration.RetryPolicy(
+                    3,
+                    1000,
+                    1.2
+                ),
+                ClientConfiguration.TrustStore(null, null, false, false)
+            )
+
+            HealthCheckCommand.execute(clientProfile)
+
+            BenchmarkCommand.execute(
+                clientProfile,
+                1000,
+                0x100,
+                true
+            )
+
+            PutCommand.execute(
+                clientProfile,
+                "some-file.bin",
+                ByteArrayInputStream(ByteArray(0x1000) { it.toByte() }),
+                "application/octet-setream",
+                "attachment; filename=\"some-file.bin\""
+            )
+
+            GetCommand.execute(
+                clientProfile,
+                "some-file.bin",
+                NullOutputStream()
+            )
+
+            serverHandle.sendShutdownSignal()
+            try {
+                serverHandle.get()
+            } catch (ee : ExecutionException) {
+            }
+        }
+        System.setProperty("net.woggioni.rbcs.conf.dir", System.getProperty("gradle.tmp.dir"))
+        RemoteBuildCacheServerCli.createCommandLine().execute("--version")
+        RemoteBuildCacheServerCli.createCommandLine().execute("server", "-t", "PT10S")
+    }
+}

rbcs-cli/src/main/kotlin/net/woggioni/rbcs/cli/RemoteBuildCacheServerCli.kt

@@ -11,7 +11,7 @@ import net.woggioni.rbcs.cli.impl.commands.PasswordHashCommand
 import net.woggioni.rbcs.cli.impl.commands.PutCommand
 import net.woggioni.rbcs.cli.impl.commands.ServerCommand
 import net.woggioni.rbcs.common.RbcsUrlStreamHandlerFactory
-import net.woggioni.rbcs.common.contextLogger
+import net.woggioni.rbcs.common.createLogger
 import picocli.CommandLine
 import picocli.CommandLine.Model.CommandSpec
 
@@ -23,15 +23,20 @@ class RemoteBuildCacheServerCli : RbcsCommand() {
 
     class VersionProvider : AbstractVersionProvider()
     companion object {
-        @JvmStatic
-        fun main(vararg args: String) {
+        private fun setPropertyIfNotPresent(key: String, value: String) {
+            System.getProperty(key) ?: System.setProperty(key, value)
+        }
+
+        fun createCommandLine() : CommandLine {
+            setPropertyIfNotPresent("logback.configurationFile", "net/woggioni/rbcs/cli/logback.xml")
+            setPropertyIfNotPresent("io.netty.leakDetectionLevel", "DISABLED")
             val currentClassLoader = RemoteBuildCacheServerCli::class.java.classLoader
             Thread.currentThread().contextClassLoader = currentClassLoader
             if(currentClassLoader.javaClass.name == "net.woggioni.envelope.loader.ModuleClassLoader") {
                 //We're running in an envelope jar and custom URL protocols won't work
                 RbcsUrlStreamHandlerFactory.install()
             }
-            val log = contextLogger()
+            val log = createLogger<RemoteBuildCacheServerCli>()
             val app = Application.builder("rbcs")
                 .configurationDirectoryEnvVar("RBCS_CONFIGURATION_DIR")
                 .configurationDirectoryPropertyKey("net.woggioni.rbcs.conf.dir")
@@ -51,7 +56,12 @@ class RemoteBuildCacheServerCli : RbcsCommand() {
                     addSubcommand(GetCommand())
                     addSubcommand(HealthCheckCommand())
                 })
-            System.exit(commandLine.execute(*args))
+            return commandLine
+        }
+
+        @JvmStatic
+        fun main(vararg args: String) {
+            System.exit(createCommandLine().execute(*args))
         }
     }
 

rbcs-cli/src/main/kotlin/net/woggioni/rbcs/cli/impl/RbcsCommand.kt

@@ -12,7 +12,7 @@ abstract class RbcsCommand : Runnable {
         private set
 
     protected fun findConfigurationFile(app: Application, fileName : String): Path {
-        val confDir = app.computeConfigurationDirectory()
+        val confDir = app.computeConfigurationDirectory(false)
         val configurationFile = confDir.resolve(fileName)
         return configurationFile
     }

rbcs-cli/src/main/kotlin/net/woggioni/rbcs/cli/impl/commands/BenchmarkCommand.kt

@@ -5,6 +5,7 @@ import net.woggioni.jwo.LongMath
 import net.woggioni.rbcs.api.CacheValueMetadata
 import net.woggioni.rbcs.cli.impl.RbcsCommand
 import net.woggioni.rbcs.cli.impl.converters.ByteSizeConverter
+import net.woggioni.rbcs.client.Configuration
 import net.woggioni.rbcs.client.RemoteBuildCacheClient
 import net.woggioni.rbcs.common.createLogger
 import net.woggioni.rbcs.common.debug
@@ -28,50 +29,23 @@ import kotlin.random.Random
 class BenchmarkCommand : RbcsCommand() {
     companion object {
         private val log = createLogger<BenchmarkCommand>()
-    }
 
-    @CommandLine.Spec
-    private lateinit var spec: CommandLine.Model.CommandSpec
-
-    @CommandLine.Option(
-        names = ["-e", "--entries"],
-        description = ["Total number of elements to be added to the cache"],
-        paramLabel = "NUMBER_OF_ENTRIES"
-    )
-    private var numberOfEntries = 1000
-
-    @CommandLine.Option(
-        names = ["-s", "--size"],
-        description = ["Size of a cache value in bytes"],
-        paramLabel = "SIZE",
-        converter = [ByteSizeConverter::class]
-    )
-    private var size = 0x1000
-
-    @CommandLine.Option(
-        names = ["-r", "--random"],
-        description = ["Insert completely random byte values"]
-    )
-    private var randomValues = false
-
-    override fun run() {
-        val clientCommand = spec.parent().userObject() as ClientCommand
-        val profile = clientCommand.profileName.let { profileName ->
-            clientCommand.configuration.profiles[profileName]
-                ?: throw IllegalArgumentException("Profile $profileName does not exist in configuration")
-        }
+        fun execute(profile : Configuration.Profile,
+                    numberOfEntries : Int,
+                    entrySize : Int,
+                    useRandomValue : Boolean,
+        ) {
             val progressThreshold = LongMath.ceilDiv(numberOfEntries.toLong(), 20)
             RemoteBuildCacheClient(profile).use { client ->
-
                 val entryGenerator = sequence {
                     val random = Random(SecureRandom.getInstance("NativePRNGNonBlocking").nextLong())
                     while (true) {
                         val key = JWO.bytesToHex(random.nextBytes(16))
-                    val value = if(randomValues) {
-                        random.nextBytes(size)
+                        val value = if (useRandomValue) {
+                            random.nextBytes(entrySize)
                         } else {
                             val byteValue = random.nextInt().toByte()
-                        ByteArray(size) {_ -> byteValue}
+                            ByteArray(entrySize) { _ -> byteValue }
                         }
                         yield(key to value)
                     }
@@ -90,7 +64,8 @@ class BenchmarkCommand : RbcsCommand() {
                         if (iterator.hasNext()) {
                             val entry = iterator.next()
                             semaphore.acquire()
-                        val future = client.put(entry.first, entry.second, CacheValueMetadata(null, null)).thenApply { entry }
+                            val future =
+                                client.put(entry.first, entry.second, CacheValueMetadata(null, null)).thenApply { entry }
                             future.whenComplete { result, ex ->
                                 if (ex != null) {
                                     log.error(ex.message, ex)
@@ -170,3 +145,42 @@ class BenchmarkCommand : RbcsCommand() {
             }
         }
     }
+
+    @CommandLine.Spec
+    private lateinit var spec: CommandLine.Model.CommandSpec
+
+    @CommandLine.Option(
+        names = ["-e", "--entries"],
+        description = ["Total number of elements to be added to the cache"],
+        paramLabel = "NUMBER_OF_ENTRIES"
+    )
+    private var numberOfEntries = 1000
+
+    @CommandLine.Option(
+        names = ["-s", "--size"],
+        description = ["Size of a cache value in bytes"],
+        paramLabel = "SIZE",
+        converter = [ByteSizeConverter::class]
+    )
+    private var size = 0x1000
+
+    @CommandLine.Option(
+        names = ["-r", "--random"],
+        description = ["Insert completely random byte values"]
+    )
+    private var randomValues = false
+
+    override fun run() {
+        val clientCommand = spec.parent().userObject() as ClientCommand
+        val profile = clientCommand.profileName.let { profileName ->
+            clientCommand.configuration.profiles[profileName]
+                ?: throw IllegalArgumentException("Profile $profileName does not exist in configuration")
+        }
+        execute(
+            profile,
+            numberOfEntries,
+            size,
+            randomValues
+        )
+    }
+}

rbcs-cli/src/main/kotlin/net/woggioni/rbcs/cli/impl/commands/ClientCommand.kt

@@ -2,7 +2,9 @@ package net.woggioni.rbcs.cli.impl.commands
 
 import net.woggioni.jwo.Application
 import net.woggioni.rbcs.cli.impl.RbcsCommand
-import net.woggioni.rbcs.client.RemoteBuildCacheClient
+import net.woggioni.rbcs.client.Configuration
+import net.woggioni.rbcs.common.createLogger
+import net.woggioni.rbcs.common.debug
 import picocli.CommandLine
 import java.nio.file.Path
 
@@ -24,15 +26,20 @@ class ClientCommand(app : Application) : RbcsCommand() {
         names = ["-p", "--profile"],
         description = ["Name of the client profile to be used"],
         paramLabel = "PROFILE",
-        required = true
+        required = false
     )
     var profileName : String? = null
+        get() = field ?: throw IllegalArgumentException("A profile name must be specified using the '-p' command line parameter")
 
-    val configuration : RemoteBuildCacheClient.Configuration by lazy {
-        RemoteBuildCacheClient.Configuration.parse(configurationFile)
+    val configuration : Configuration by lazy {
+        Configuration.parse(configurationFile)
     }
 
     override fun run() {
+        val log = createLogger<ClientCommand>()
+        log.debug {
+            "Using configuration file '$configurationFile'"
+        }
         println("Available profiles:")
         configuration.profiles.forEach { (profileName, _) ->
             println(profileName)

rbcs-cli/src/main/kotlin/net/woggioni/rbcs/cli/impl/commands/GetCommand.kt

@@ -1,9 +1,11 @@
 package net.woggioni.rbcs.cli.impl.commands
 
 import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.client.Configuration
 import net.woggioni.rbcs.client.RemoteBuildCacheClient
 import net.woggioni.rbcs.common.createLogger
 import picocli.CommandLine
+import java.io.OutputStream
 import java.nio.file.Files
 import java.nio.file.Path
 
@@ -15,6 +17,18 @@ import java.nio.file.Path
 class GetCommand : RbcsCommand() {
     companion object {
         private val log = createLogger<GetCommand>()
+
+        fun execute(profile : Configuration.Profile, key : String, outputStream: OutputStream) {
+            RemoteBuildCacheClient(profile).use { client ->
+                client.get(key).thenApply { value ->
+                    value?.let {
+                        outputStream.use {
+                            it.write(value)
+                        }
+                    } ?: throw NoSuchElementException("No value found for key $key")
+                }.get()
+            }
+        }
     }
 
     @CommandLine.Spec
@@ -40,14 +54,6 @@ class GetCommand : RbcsCommand() {
             clientCommand.configuration.profiles[profileName]
                 ?: throw IllegalArgumentException("Profile $profileName does not exist in configuration")
         }
-        RemoteBuildCacheClient(profile).use { client ->
-            client.get(key).thenApply { value ->
-                value?.let {
-                    (output?.let(Files::newOutputStream) ?: System.out).use {
-                        it.write(value)
-                    }
-                } ?: throw NoSuchElementException("No value found for key $key")
-            }.get()
-        }
+        execute(profile, key, (output?.let(Files::newOutputStream) ?: System.out))
     }
 }

rbcs-cli/src/main/kotlin/net/woggioni/rbcs/cli/impl/commands/HealthCheckCommand.kt

@@ -1,6 +1,7 @@
 package net.woggioni.rbcs.cli.impl.commands
 
 import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.client.Configuration
 import net.woggioni.rbcs.client.RemoteBuildCacheClient
 import net.woggioni.rbcs.common.createLogger
 import picocli.CommandLine
@@ -15,17 +16,8 @@ import kotlin.random.Random
 class HealthCheckCommand : RbcsCommand() {
     companion object{
         private val log = createLogger<HealthCheckCommand>()
-    }
 
-    @CommandLine.Spec
-    private lateinit var spec: CommandLine.Model.CommandSpec
-
-    override fun run() {
-        val clientCommand = spec.parent().userObject() as ClientCommand
-        val profile = clientCommand.profileName.let { profileName ->
-            clientCommand.configuration.profiles[profileName]
-                ?: throw IllegalArgumentException("Profile $profileName does not exist in configuration")
-        }
+        fun execute(profile : Configuration.Profile) {
             RemoteBuildCacheClient(profile).use { client ->
                 val random = Random(SecureRandom.getInstance("NativePRNGNonBlocking").nextLong())
                 val nonce = ByteArray(0xa0)
@@ -46,3 +38,16 @@ class HealthCheckCommand : RbcsCommand() {
             }
         }
     }
+
+    @CommandLine.Spec
+    private lateinit var spec: CommandLine.Model.CommandSpec
+
+    override fun run() {
+        val clientCommand = spec.parent().userObject() as ClientCommand
+        val profile = clientCommand.profileName.let { profileName ->
+            clientCommand.configuration.profiles[profileName]
+                ?: throw IllegalArgumentException("Profile $profileName does not exist in configuration")
+        }
+        execute(profile)
+    }
+}

rbcs-cli/src/main/kotlin/net/woggioni/rbcs/cli/impl/commands/PutCommand.kt

@@ -5,6 +5,7 @@ import net.woggioni.jwo.JWO
 import net.woggioni.jwo.NullOutputStream
 import net.woggioni.rbcs.api.CacheValueMetadata
 import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.client.Configuration
 import net.woggioni.rbcs.client.RemoteBuildCacheClient
 import net.woggioni.rbcs.common.createLogger
 import picocli.CommandLine
@@ -21,6 +22,20 @@ import java.util.UUID
 class PutCommand : RbcsCommand() {
     companion object {
         private val log = createLogger<PutCommand>()
+
+        fun execute(profile: Configuration.Profile,
+                    actualKey : String,
+                    inputStream: InputStream,
+                    mimeType : String?,
+                    contentDisposition: String?
+        ) {
+            RemoteBuildCacheClient(profile).use { client ->
+                inputStream.use {
+                    client.put(actualKey, it.readAllBytes(), CacheValueMetadata(contentDisposition, mimeType))
+                }.get()
+                println(profile.serverURI.resolve(actualKey))
+            }
+        }
     }
 
 
@@ -92,10 +107,7 @@ class PutCommand : RbcsCommand() {
                 }
                 actualKey = key ?: UUID.randomUUID().toString()
             }
-            inputStream.use {
-                client.put(actualKey, it.readAllBytes(), CacheValueMetadata(contentDisposition, mimeType))
-            }.get()
-            println(profile.serverURI.resolve(actualKey))
+            execute(profile, actualKey, inputStream, mimeType, contentDisposition)
         }
     }
 }

rbcs-client/src/main/kotlin/net/woggioni/rbcs/client/Configuration.kt

@@ -0,0 +1,62 @@
+package net.woggioni.rbcs.client
+
+import net.woggioni.rbcs.client.impl.Parser
+import net.woggioni.rbcs.common.Xml
+import java.net.URI
+import java.nio.file.Files
+import java.nio.file.Path
+import java.security.PrivateKey
+import java.security.cert.X509Certificate
+import java.time.Duration
+
+data class Configuration(
+    val profiles: Map<String, Profile>
+) {
+    sealed class Authentication {
+        data class TlsClientAuthenticationCredentials(
+            val key: PrivateKey,
+            val certificateChain: Array<X509Certificate>
+        ) : Authentication()
+
+        data class BasicAuthenticationCredentials(val username: String, val password: String) : Authentication()
+    }
+
+    class TrustStore (
+        var file: Path?,
+        var password: String?,
+        var checkCertificateStatus: Boolean = false,
+        var verifyServerCertificate: Boolean = true,
+    )
+
+    class RetryPolicy(
+        val maxAttempts: Int,
+        val initialDelayMillis: Long,
+        val exp: Double
+    )
+
+    class Connection(
+        val readIdleTimeout: Duration,
+        val writeIdleTimeout: Duration,
+        val idleTimeout: Duration,
+        val requestPipelining : Boolean,
+    )
+
+    data class Profile(
+        val serverURI: URI,
+        val connection: Connection,
+        val authentication: Authentication?,
+        val connectionTimeout: Duration?,
+        val maxConnections: Int,
+        val compressionEnabled: Boolean,
+        val retryPolicy: RetryPolicy?,
+        val tlsTruststore : TrustStore?
+    )
+
+    companion object {
+        fun parse(path: Path): Configuration {
+            return Files.newInputStream(path).use {
+                Xml.parseXml(path.toUri().toURL(), it)
+            }.let(Parser::parse)
+        }
+    }
+}

rbcs-client/src/main/kotlin/net/woggioni/rbcs/client/RemoteBuildCacheClient.kt

@@ -4,13 +4,13 @@ import io.netty.bootstrap.Bootstrap
 import io.netty.buffer.ByteBuf
 import io.netty.buffer.Unpooled
 import io.netty.channel.Channel
-import io.netty.channel.ChannelHandler
 import io.netty.channel.ChannelHandlerContext
-import io.netty.channel.ChannelInboundHandlerAdapter
 import io.netty.channel.ChannelOption
 import io.netty.channel.ChannelPipeline
+import io.netty.channel.IoEventLoopGroup
+import io.netty.channel.MultiThreadIoEventLoopGroup
 import io.netty.channel.SimpleChannelInboundHandler
-import io.netty.channel.nio.NioEventLoopGroup
+import io.netty.channel.nio.NioIoHandler
 import io.netty.channel.pool.AbstractChannelPoolHandler
 import io.netty.channel.pool.ChannelPool
 import io.netty.channel.pool.FixedChannelPool
@@ -34,91 +34,66 @@ import io.netty.handler.timeout.IdleState
 import io.netty.handler.timeout.IdleStateEvent
 import io.netty.handler.timeout.IdleStateHandler
 import io.netty.util.concurrent.Future
+import io.netty.util.concurrent.Future as NettyFuture
 import io.netty.util.concurrent.GenericFutureListener
-import net.woggioni.rbcs.api.CacheValueMetadata
-import net.woggioni.rbcs.client.impl.Parser
-import net.woggioni.rbcs.common.Xml
-import net.woggioni.rbcs.common.createLogger
-import net.woggioni.rbcs.common.debug
-import net.woggioni.rbcs.common.trace
 import java.io.IOException
 import java.net.InetSocketAddress
 import java.net.URI
-import java.nio.file.Files
-import java.nio.file.Path
-import java.security.PrivateKey
 import java.security.cert.X509Certificate
-import java.time.Duration
 import java.util.Base64
 import java.util.concurrent.CompletableFuture
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.TimeoutException
 import java.util.concurrent.atomic.AtomicInteger
+import javax.net.ssl.TrustManagerFactory
+import javax.net.ssl.X509TrustManager
 import kotlin.random.Random
-import io.netty.util.concurrent.Future as NettyFuture
+import net.woggioni.rbcs.api.CacheValueMetadata
+import net.woggioni.rbcs.common.RBCS.loadKeystore
+import net.woggioni.rbcs.common.createLogger
+import net.woggioni.rbcs.common.debug
+import net.woggioni.rbcs.common.trace
 
 class RemoteBuildCacheClient(private val profile: Configuration.Profile) : AutoCloseable {
     companion object {
         private val log = createLogger<RemoteBuildCacheClient>()
     }
 
-    private val group: NioEventLoopGroup
-    private var sslContext: SslContext
+    private val group: IoEventLoopGroup
+    private val sslContext: SslContext
     private val pool: ChannelPool
 
-    data class Configuration(
-        val profiles: Map<String, Profile>
-    ) {
-        sealed class Authentication {
-            data class TlsClientAuthenticationCredentials(
-                val key: PrivateKey,
-                val certificateChain: Array<X509Certificate>
-            ) : Authentication()
-
-            data class BasicAuthenticationCredentials(val username: String, val password: String) : Authentication()
-        }
-
-        class RetryPolicy(
-            val maxAttempts: Int,
-            val initialDelayMillis: Long,
-            val exp: Double
-        )
-
-        class Connection(
-            val readTimeout: Duration,
-            val writeTimeout: Duration,
-            val idleTimeout: Duration,
-            val readIdleTimeout: Duration,
-            val writeIdleTimeout: Duration
-        )
-
-        data class Profile(
-            val serverURI: URI,
-            val connection: Connection?,
-            val authentication: Authentication?,
-            val connectionTimeout: Duration?,
-            val maxConnections: Int,
-            val compressionEnabled: Boolean,
-            val retryPolicy: RetryPolicy?,
-        )
-
-        companion object {
-            fun parse(path: Path): Configuration {
-                return Files.newInputStream(path).use {
-                    Xml.parseXml(path.toUri().toURL(), it)
-                }.let(Parser::parse)
-            }
-        }
-    }
-
     init {
-        group = NioEventLoopGroup()
+        group = MultiThreadIoEventLoopGroup(NioIoHandler.newFactory())
         sslContext = SslContextBuilder.forClient().also { builder ->
             (profile.authentication as? Configuration.Authentication.TlsClientAuthenticationCredentials)?.let { tlsClientAuthenticationCredentials ->
-                builder.keyManager(
+                builder.apply {
+                    keyManager(
                         tlsClientAuthenticationCredentials.key,
                         *tlsClientAuthenticationCredentials.certificateChain
                     )
+                    profile.tlsTruststore?.let { trustStore ->
+                        if (!trustStore.verifyServerCertificate) {
+                            trustManager(object : X509TrustManager {
+                                override fun checkClientTrusted(certChain: Array<out X509Certificate>, p1: String?) {
+                                }
+
+                                override fun checkServerTrusted(certChain: Array<out X509Certificate>, p1: String?) {
+                                }
+
+                                override fun getAcceptedIssuers() = null
+                            })
+                        } else {
+                            trustStore.file?.let {
+                                val ts = loadKeystore(it, trustStore.password)
+                                val trustManagerFactory: TrustManagerFactory =
+                                    TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
+                                trustManagerFactory.init(ts)
+                                trustManager(trustManagerFactory)
+                            }
+                        }
+                    }
+                }
             }
         }.build()
 
@@ -178,19 +153,6 @@ class RemoteBuildCacheClient(private val profile: Configuration.Profile) : AutoC
                 val pipeline: ChannelPipeline = ch.pipeline()
 
                 profile.connection?.also { conn ->
-                    val readTimeout = conn.readTimeout.toMillis()
-                    val writeTimeout = conn.writeTimeout.toMillis()
-                    if (readTimeout > 0 || writeTimeout > 0) {
-                        pipeline.addLast(
-                            IdleStateHandler(
-                                false,
-                                readTimeout,
-                                writeTimeout,
-                                0,
-                                TimeUnit.MILLISECONDS
-                            )
-                        )
-                    }
                     val readIdleTimeout = conn.readIdleTimeout.toMillis()
                     val writeIdleTimeout = conn.writeIdleTimeout.toMillis()
                     val idleTimeout = conn.idleTimeout.toMillis()
@@ -335,48 +297,32 @@ class RemoteBuildCacheClient(private val profile: Configuration.Profile) : AutoC
         // Custom handler for processing responses
 
         pool.acquire().addListener(object : GenericFutureListener<NettyFuture<Channel>> {
-            private val handlers = mutableListOf<ChannelHandler>()
-
-            fun cleanup(channel: Channel, pipeline: ChannelPipeline) {
-                handlers.forEach(pipeline::remove)
-                pool.release(channel)
-            }
 
             override fun operationComplete(channelFuture: Future<Channel>) {
                 if (channelFuture.isSuccess) {
                     val channel = channelFuture.now
                     val pipeline = channel.pipeline()
-                    val timeoutHandler = object : ChannelInboundHandlerAdapter() {
-                        override fun userEventTriggered(ctx: ChannelHandlerContext, evt: Any) {
-                            if (evt is IdleStateEvent) {
-                                val te = when (evt.state()) {
-                                    IdleState.READER_IDLE -> TimeoutException(
-                                        "Read timeout",
-                                    )
 
-                                    IdleState.WRITER_IDLE -> TimeoutException("Write timeout")
-
-                                    IdleState.ALL_IDLE -> TimeoutException("Idle timeout")
-                                    null -> throw IllegalStateException("This should never happen")
-                                }
-                                responseFuture.completeExceptionally(te)
-                                ctx.close()
-                            }
-                        }
-                    }
                     val closeListener = GenericFutureListener<Future<Void>> {
                         responseFuture.completeExceptionally(IOException("The remote server closed the connection"))
-                        pool.release(channel)
                     }
+                    channel.closeFuture().addListener(closeListener)
 
                     val responseHandler = object : SimpleChannelInboundHandler<FullHttpResponse>() {
+
+                        override fun handlerAdded(ctx: ChannelHandlerContext) {
+                            channel.closeFuture().removeListener(closeListener)
+                        }
+
                         override fun channelRead0(
                             ctx: ChannelHandlerContext,
                             response: FullHttpResponse
                         ) {
-                            channel.closeFuture().removeListener(closeListener)
-                            cleanup(channel, pipeline)
+                            pipeline.remove(this)
                             responseFuture.complete(response)
+                            if(!profile.connection.requestPipelining) {
+                                pool.release(channel)
+                            }
                         }
 
                         override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
@@ -390,16 +336,39 @@ class RemoteBuildCacheClient(private val profile: Configuration.Profile) : AutoC
                         }
 
                         override fun channelInactive(ctx: ChannelHandlerContext) {
-                            pool.release(channel)
                             responseFuture.completeExceptionally(IOException("The remote server closed the connection"))
+                            if(!profile.connection.requestPipelining) {
+                                pool.release(channel)
+                            }
                             super.channelInactive(ctx)
                         }
+
+                        override fun userEventTriggered(ctx: ChannelHandlerContext, evt: Any) {
+                            if (evt is IdleStateEvent) {
+                                val te = when (evt.state()) {
+                                    IdleState.READER_IDLE -> TimeoutException(
+                                        "Read timeout",
+                                    )
+
+                                    IdleState.WRITER_IDLE -> TimeoutException("Write timeout")
+
+                                    IdleState.ALL_IDLE -> TimeoutException("Idle timeout")
+                                    null -> throw IllegalStateException("This should never happen")
                                 }
-                    for (handler in arrayOf(timeoutHandler, responseHandler)) {
-                        handlers.add(handler)
+                                responseFuture.completeExceptionally(te)
+                                super.userEventTriggered(ctx, evt)
+                                if (this === pipeline.last()) {
+                                    ctx.close()
                                 }
-                    pipeline.addLast(timeoutHandler, responseHandler)
-                    channel.closeFuture().addListener(closeListener)
+                                if(!profile.connection.requestPipelining) {
+                                    pool.release(channel)
+                                }
+                            } else {
+                                super.userEventTriggered(ctx, evt)
+                            }
+                        }
+                    }
+                    pipeline.addLast(responseHandler)
 
 
                     // Prepare the HTTP request
@@ -411,6 +380,7 @@ class RemoteBuildCacheClient(private val profile: Configuration.Profile) : AutoC
                             uri.rawPath,
                             content ?: Unpooled.buffer(0)
                         ).apply {
+                            // Set headers
                             headers().apply {
                                 if (content != null) {
                                     set(HttpHeaderNames.CONTENT_LENGTH, content.readableBytes())
@@ -436,9 +406,16 @@ class RemoteBuildCacheClient(private val profile: Configuration.Profile) : AutoC
                         }
                     }
 
-                    // Set headers
                     // Send the request
-                    channel.writeAndFlush(request)
+                    channel.writeAndFlush(request).addListener {
+                        if(!it.isSuccess) {
+                            val ex = it.cause()
+                            log.warn(ex.message, ex)
+                        }
+                        if(profile.connection.requestPipelining) {
+                            pool.release(channel)
+                        }
+                    }
                 } else {
                     responseFuture.completeExceptionally(channelFuture.cause())
                 }

rbcs-client/src/main/kotlin/net/woggioni/rbcs/client/impl/Parser.kt

@@ -1,7 +1,7 @@
 package net.woggioni.rbcs.client.impl
 
 import net.woggioni.rbcs.api.exception.ConfigurationException
-import net.woggioni.rbcs.client.RemoteBuildCacheClient
+import net.woggioni.rbcs.client.Configuration
 import net.woggioni.rbcs.common.Xml.Companion.asIterable
 import net.woggioni.rbcs.common.Xml.Companion.renderAttribute
 import org.w3c.dom.Document
@@ -16,9 +16,9 @@ import java.time.temporal.ChronoUnit
 
 object Parser {
 
-    fun parse(document: Document): RemoteBuildCacheClient.Configuration {
+    fun parse(document: Document): Configuration {
         val root = document.documentElement
-        val profiles = mutableMapOf<String, RemoteBuildCacheClient.Configuration.Profile>()
+        val profiles = mutableMapOf<String, Configuration.Profile>()
 
         for (child in root.asIterable()) {
             val tagName = child.localName
@@ -28,9 +28,15 @@ object Parser {
                         child.renderAttribute("name") ?: throw ConfigurationException("name attribute is required")
                     val uri = child.renderAttribute("base-url")?.let(::URI)
                         ?: throw ConfigurationException("base-url attribute is required")
-                    var authentication: RemoteBuildCacheClient.Configuration.Authentication? = null
-                    var retryPolicy: RemoteBuildCacheClient.Configuration.RetryPolicy? = null
-                    var connection : RemoteBuildCacheClient.Configuration.Connection? = null
+                    var authentication: Configuration.Authentication? = null
+                    var retryPolicy: Configuration.RetryPolicy? = null
+                    var connection : Configuration.Connection = Configuration.Connection(
+                        Duration.ofSeconds(60),
+                        Duration.ofSeconds(60),
+                        Duration.ofSeconds(30),
+                        false
+                    )
+                    var trustStore : Configuration.TrustStore? = null
                     for (gchild in child.asIterable()) {
                         when (gchild.localName) {
                             "tls-client-auth" -> {
@@ -51,7 +57,7 @@ object Parser {
                                     .toList()
                                     .toTypedArray()
                                 authentication =
-                                    RemoteBuildCacheClient.Configuration.Authentication.TlsClientAuthenticationCredentials(
+                                    Configuration.Authentication.TlsClientAuthenticationCredentials(
                                         key,
                                         certChain
                                     )
@@ -63,7 +69,7 @@ object Parser {
                                 val password = gchild.renderAttribute("password")
                                     ?: throw ConfigurationException("password attribute is required")
                                 authentication =
-                                    RemoteBuildCacheClient.Configuration.Authentication.BasicAuthenticationCredentials(
+                                    Configuration.Authentication.BasicAuthenticationCredentials(
                                         username,
                                         password
                                     )
@@ -82,7 +88,7 @@ object Parser {
                                     gchild.renderAttribute("exp")
                                         ?.let(String::toDouble)
                                         ?: 2.0f
-                                retryPolicy = RemoteBuildCacheClient.Configuration.RetryPolicy(
+                                retryPolicy = Configuration.RetryPolicy(
                                     maxAttempts,
                                     initialDelay.toMillis(),
                                     exp.toDouble()
@@ -90,24 +96,32 @@ object Parser {
                             }
 
                             "connection" -> {
-                                val writeTimeout = gchild.renderAttribute("write-timeout")
-                                    ?.let(Duration::parse) ?: Duration.of(0, ChronoUnit.SECONDS)
-                                val readTimeout = gchild.renderAttribute("read-timeout")
-                                    ?.let(Duration::parse) ?: Duration.of(0, ChronoUnit.SECONDS)
                                 val idleTimeout = gchild.renderAttribute("idle-timeout")
                                     ?.let(Duration::parse) ?: Duration.of(30, ChronoUnit.SECONDS)
                                 val readIdleTimeout = gchild.renderAttribute("read-idle-timeout")
                                     ?.let(Duration::parse) ?: Duration.of(60, ChronoUnit.SECONDS)
                                 val writeIdleTimeout = gchild.renderAttribute("write-idle-timeout")
                                     ?.let(Duration::parse) ?: Duration.of(60, ChronoUnit.SECONDS)
-                                connection = RemoteBuildCacheClient.Configuration.Connection(
-                                    readTimeout,
-                                    writeTimeout,
-                                    idleTimeout,
+                                val requestPipelining = gchild.renderAttribute("request-pipelining")
+                                    ?.let(String::toBoolean) ?: false
+                                connection = Configuration.Connection(
                                     readIdleTimeout,
                                     writeIdleTimeout,
+                                    idleTimeout,
+                                    requestPipelining
                                 )
                             }
+
+                            "tls-trust-store" -> {
+                                val file = gchild.renderAttribute("file")
+                                    ?.let(Path::of)
+                                val password = gchild.renderAttribute("password")
+                                val checkCertificateStatus = gchild.renderAttribute("check-certificate-status")
+                                    ?.let(String::toBoolean) ?: false
+                                val verifyServerCertificate = gchild.renderAttribute("verify-server-certificate")
+                                    ?.let(String::toBoolean) ?: true
+                                trustStore = Configuration.TrustStore(file, password, checkCertificateStatus, verifyServerCertificate)
+                            }
                         }
                     }
                     val maxConnections = child.renderAttribute("max-connections")
@@ -119,18 +133,19 @@ object Parser {
                         ?.let(String::toBoolean)
                         ?: true
 
-                    profiles[name] = RemoteBuildCacheClient.Configuration.Profile(
+                    profiles[name] = Configuration.Profile(
                         uri,
                         connection,
                         authentication,
                         connectionTimeout,
                         maxConnections,
                         compressionEnabled,
-                        retryPolicy
+                        retryPolicy,
+                        trustStore
                     )
                 }
             }
         }
-        return RemoteBuildCacheClient.Configuration(profiles)
+        return Configuration(profiles)
     }
 }

rbcs-client/src/main/resources/net/woggioni/rbcs/client/schema/rbcs-client.xsd

@@ -15,46 +15,246 @@
     <xs:complexType name="profileType">
         <xs:sequence>
             <xs:choice>
-                <xs:element name="no-auth" type="rbcs-client:noAuthType"/>
-                <xs:element name="basic-auth" type="rbcs-client:basicAuthType"/>
-                <xs:element name="tls-client-auth" type="rbcs-client:tlsClientAuthType"/>
+                <xs:element name="no-auth" type="rbcs-client:noAuthType">
+                    <xs:annotation>
+                        <xs:documentation>
+                            Disable authentication.
+                        </xs:documentation>
+                    </xs:annotation>
+                </xs:element>
+                <xs:element name="basic-auth" type="rbcs-client:basicAuthType">
+                    <xs:annotation>
+                        <xs:documentation>
+                            Enable HTTP basic authentication.
+                        </xs:documentation>
+                    </xs:annotation>
+                </xs:element>
+                <xs:element name="tls-client-auth" type="rbcs-client:tlsClientAuthType">
+                    <xs:annotation>
+                        <xs:documentation>
+                            Enable TLS certificate authentication.
+                        </xs:documentation>
+                    </xs:annotation>
+                </xs:element>
             </xs:choice>
-            <xs:element name="connection" type="rbcs-client:connectionType" minOccurs="0" />
-            <xs:element name="retry-policy" type="rbcs-client:retryType" minOccurs="0"/>
+            <xs:element name="connection" type="rbcs-client:connectionType" minOccurs="0" >
+                <xs:annotation>
+                    <xs:documentation>
+                        Set inactivity timeouts for connections to this server,
+                        if not present, connections are only closed on network errors.
+                    </xs:documentation>
+                </xs:annotation>
+            </xs:element>
+            <xs:element name="retry-policy" type="rbcs-client:retryType" minOccurs="0">
+                <xs:annotation>
+                    <xs:documentation>
+                        Set a retry policy for this server, if not present requests won't be retried
+                    </xs:documentation>
+                </xs:annotation>
+            </xs:element>
+            <xs:element name="tls-trust-store" type="rbcs-client:trustStoreType" minOccurs="0">
+                <xs:annotation>
+                    <xs:documentation>
+                        If set, specify an alternative truststore to validate the server certificate.
+                        If not present the system truststore is used.
+                    </xs:documentation>
+                </xs:annotation>
+            </xs:element>
         </xs:sequence>
-        <xs:attribute name="name" type="xs:token" use="required"/>
-        <xs:attribute name="base-url" type="xs:anyURI" use="required"/>
-        <xs:attribute name="max-connections" type="xs:positiveInteger" default="50"/>
-        <xs:attribute name="connection-timeout" type="xs:duration"/>
-        <xs:attribute name="enable-compression" type="xs:boolean" default="true"/>
+        <xs:attribute name="name" type="xs:token" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Name of this server profile, to be referred to from rbcs-cli with the '-p' parameter
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="base-url" type="xs:anyURI" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    RBCs server URL
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="max-connections" type="xs:positiveInteger" default="50">
+            <xs:annotation>
+                <xs:documentation>
+                    Maximum number of concurrent TCP connection to open with this server
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="connection-timeout" type="xs:duration">
+            <xs:annotation>
+                <xs:documentation>
+                    Enable HTTP compression when communicating to this server
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="enable-compression" type="xs:boolean" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    Enable HTTP compression when communicating to this server
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
     </xs:complexType>
 
     <xs:complexType name="connectionType">
-        <xs:attribute name="read-timeout" type="xs:duration" use="optional" default="PT0S"/>
-        <xs:attribute name="write-timeout" type="xs:duration" use="optional" default="PT0S"/>
-        <xs:attribute name="idle-timeout" type="xs:duration" use="optional" default="PT30S"/>
-        <xs:attribute name="read-idle-timeout" type="xs:duration" use="optional" default="PT60S"/>
-        <xs:attribute name="write-idle-timeout" type="xs:duration" use="optional" default="PT60S"/>
+        <xs:attribute name="idle-timeout" type="xs:duration" use="optional" default="PT30S">
+            <xs:annotation>
+                <xs:documentation>
+                    The client will close the connection with the server
+                    when neither a read nor a write was performed for the specified period of time.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="read-idle-timeout" type="xs:duration" use="optional" default="PT60S">
+            <xs:annotation>
+                <xs:documentation>
+                    The client will close the connection with the server
+                    when no read was performed for the specified period of time.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="write-idle-timeout" type="xs:duration" use="optional" default="PT60S">
+            <xs:annotation>
+                <xs:documentation>
+                    The client will close the connection with the server
+                    when no write was performed for the specified period of time.
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="request-pipelining" type="xs:boolean" use="optional" default="false">
+            <xs:annotation>
+                <xs:documentation>
+                    Enables HTTP/1.1 request pipelining
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
     </xs:complexType>
 
-    <xs:complexType name="noAuthType"/>
+    <xs:complexType name="noAuthType">
+        <xs:annotation>
+            <xs:documentation>
+                Add this tag to not use any type of authentication when talking to the RBCS server
+            </xs:documentation>
+        </xs:annotation>
+    </xs:complexType>
 
     <xs:complexType name="basicAuthType">
-        <xs:attribute name="user" type="xs:token" use="required"/>
-        <xs:attribute name="password" type="xs:string" use="required"/>
+        <xs:annotation>
+            <xs:documentation>
+                Add this tag to enable HTTP basic authentication for the communication to this server,
+                mind that HTTP basic authentication sends credentials directly over the network, so make sure
+                your communication is protected by TLS (i.e. your server's URL starts with "https")
+            </xs:documentation>
+        </xs:annotation>
+        <xs:attribute name="user" type="xs:token" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Username for HTTP basic authentication
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="password" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Password used for HTTP basic authentication
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
     </xs:complexType>
 
     <xs:complexType name="tlsClientAuthType">
-        <xs:attribute name="key-store-file" type="xs:anyURI" use="required"/>
-        <xs:attribute name="key-store-password" type="xs:string" use="required"/>
-        <xs:attribute name="key-alias" type="xs:token" use="required"/>
-        <xs:attribute name="key-password" type="xs:string" use="optional"/>
+        <xs:attribute name="key-store-file" type="xs:anyURI" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    System path to the keystore file
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="key-store-password" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Password to open they keystore file
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="key-alias" type="xs:token" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Alias of the keystore entry containing the private key
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="key-password" type="xs:string" use="optional">
+            <xs:annotation>
+                <xs:documentation>
+                    Private key entry's encryption password
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
     </xs:complexType>
 
     <xs:complexType name="retryType">
-        <xs:attribute name="max-attempts" type="xs:positiveInteger" use="required"/>
-        <xs:attribute name="initial-delay" type="xs:duration" default="PT1S"/>
-        <xs:attribute name="exp" type="xs:double" default="2.0"/>
+        <xs:annotation>
+            <xs:documentation>
+                Retry policy to use in case of failures, based on exponential backoff
+                https://en.wikipedia.org/wiki/Exponential_backoff
+            </xs:documentation>
+        </xs:annotation>
+
+        <xs:attribute name="max-attempts" type="xs:positiveInteger" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Maximum number of attempts, after which the call will result in an error,
+                    throwing an exception related to the last received failure
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="initial-delay" type="xs:duration" default="PT1S">
+            <xs:annotation>
+                <xs:documentation>
+                    Delay to apply before retrying after the first failed call
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="exp" type="xs:double" default="2.0">
+            <xs:annotation>
+                <xs:documentation>
+                    Exponent to apply to compute the next delay
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
     </xs:complexType>
 
+    <xs:complexType name="trustStoreType">
+        <xs:attribute name="file" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>
+                    Path to the truststore file
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="password" type="xs:string">
+            <xs:annotation>
+                <xs:documentation>
+                    Truststore file password
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="check-certificate-status" type="xs:boolean">
+            <xs:annotation>
+                <xs:documentation>
+                    Whether or not check the server certificate validity using CRL/OCSP
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:attribute name="verify-server-certificate" type="xs:boolean" use="optional" default="true">
+            <xs:annotation>
+                <xs:documentation>
+                    If false, the client will blindly trust the certificate provided by the server
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+    </xs:complexType>
 </xs:schema>

rbcs-client/src/test/kotlin/net/woggioni/rbcs/client/RetryTest.kt

@@ -129,7 +129,7 @@ class RetryTest {
                     previousAttempt.first + testArgs.initialDelay * Math.pow(testArgs.exp, index.toDouble()) * 1e6
                 val actualTimestamp = timestamp
                 val err = Math.abs(expectedTimestamp - actualTimestamp) / expectedTimestamp
-                Assertions.assertTrue(err < 1e-2)
+                Assertions.assertTrue(err < 0.1)
             }
             if (index == attempts.size - 1 && index < testArgs.maxAttempt - 1) {
                 /*

rbcs-client/src/test/resources/net/woggioni/rbcs/client/test/rbcs-client.xml

@@ -9,6 +9,8 @@
                 key-store-password="password"
                 key-alias="woggioni@c962475fa38"
                 key-password="key-password"/>
+        <connection write-idle-timeout="PT60S" read-idle-timeout="PT60S" write-timeout="PT0S" read-timeout="PT0S" idle-timeout="PT30S" />
+        <tls-trust-store file="file.pfx" password="password" check-certificate-status="false" verify-server-certificate="true"/>
     </profile>
     <profile name="profile2" base-url="https://rbcs2.example.com/">
         <basic-auth user="user" password="password"/>

rbcs-common/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 dependencies {
-    implementation project(':rbcs-api')
+    implementation catalog.netty.transport
     implementation catalog.slf4j.api
     implementation catalog.jwo
     implementation catalog.netty.buffer

rbcs-common/src/main/kotlin/net/woggioni/rbcs/common/RBCS.kt

@@ -1,9 +1,26 @@
 package net.woggioni.rbcs.common
 
 import net.woggioni.jwo.JWO
+import net.woggioni.jwo.Tuple2
+import java.io.IOException
+import java.net.InetAddress
+import java.net.ServerSocket
 import java.net.URI
 import java.net.URL
+import java.nio.file.Files
+import java.nio.file.Path
+import java.security.KeyStore
 import java.security.MessageDigest
+import java.security.cert.CertPathValidator
+import java.security.cert.CertPathValidatorException
+import java.security.cert.CertificateException
+import java.security.cert.CertificateFactory
+import java.security.cert.PKIXParameters
+import java.security.cert.PKIXRevocationChecker
+import java.security.cert.X509Certificate
+import java.util.EnumSet
+import javax.net.ssl.TrustManagerFactory
+import javax.net.ssl.X509TrustManager
 
 object RBCS {
     fun String.toUrl() : URL = URL.of(URI(this), null)
@@ -58,4 +75,86 @@ object RBCS {
             null
         }
     }
+
+    fun getFreePort(): Int {
+        var count = 0
+        while (count < 50) {
+            try {
+                ServerSocket(0, 50, InetAddress.getLocalHost()).use { serverSocket ->
+                    val candidate = serverSocket.localPort
+                    if (candidate > 0) {
+                        return candidate
+                    } else {
+                        throw RuntimeException("Got invalid port number: $candidate")
+                    }
+                }
+            } catch (ignored: IOException) {
+                ++count
+            }
+        }
+        throw RuntimeException("Error trying to find an open port")
+    }
+
+    fun loadKeystore(file: Path, password: String?): KeyStore {
+        val ext = JWO.splitExtension(file)
+            .map(Tuple2<String, String>::get_2)
+            .orElseThrow {
+                IllegalArgumentException(
+                    "Keystore file '${file}' must have .jks, .p12, .pfx extension"
+                )
+            }
+        val keystore = when (ext.substring(1).lowercase()) {
+            "jks" -> KeyStore.getInstance("JKS")
+            "p12", "pfx" -> KeyStore.getInstance("PKCS12")
+            else -> throw IllegalArgumentException(
+                "Keystore file '${file}' must have .jks, .p12, .pfx extension"
+            )
+        }
+        Files.newInputStream(file).use {
+            keystore.load(it, password?.let(String::toCharArray))
+        }
+        return keystore
+    }
+
+    fun getTrustManager(trustStore: KeyStore?, certificateRevocationEnabled: Boolean): X509TrustManager {
+        return if (trustStore != null) {
+            val certificateFactory = CertificateFactory.getInstance("X.509")
+            val validator = CertPathValidator.getInstance("PKIX").apply {
+                val rc = revocationChecker as PKIXRevocationChecker
+                rc.options = EnumSet.of(
+                    PKIXRevocationChecker.Option.NO_FALLBACK
+                )
+            }
+            val params = PKIXParameters(trustStore).apply {
+                isRevocationEnabled = certificateRevocationEnabled
+            }
+            object : X509TrustManager {
+                override fun checkClientTrusted(chain: Array<out X509Certificate>, authType: String) {
+                    val clientCertificateChain = certificateFactory.generateCertPath(chain.toList())
+                    try {
+                        validator.validate(clientCertificateChain, params)
+                    } catch (ex: CertPathValidatorException) {
+                        throw CertificateException(ex)
+                    }
+                }
+
+                override fun checkServerTrusted(chain: Array<out X509Certificate>, authType: String) {
+                    throw NotImplementedError()
+                }
+
+                private val acceptedIssuers = trustStore.aliases().asSequence()
+                    .filter(trustStore::isCertificateEntry)
+                    .map(trustStore::getCertificate)
+                    .map { it as X509Certificate }
+                    .toList()
+                    .toTypedArray()
+
+                override fun getAcceptedIssuers() = acceptedIssuers
+            }
+        } else {
+            val trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
+            trustManagerFactory.trustManagers.asSequence().filter { it is X509TrustManager }
+                .single() as X509TrustManager
+        }
+    }
 }

rbcs-server-memcache/README.md

@@ -22,7 +22,7 @@ The plugins currently supports the following configuration attributes:
 - `digest`: digest algorithm to use on the key before submission 
   to memcache (optional, no digest is applied if omitted)
 - `compression`: compression algorithm to apply to cache values before, 
-  currently only `deflate` is supported (optionla, if omitted compression is disabled)
+  currently only `deflate` is supported (optional, if omitted compression is disabled)
 - `compression-level`: compression level to use, deflate supports compression levels from 1 to 9, 
   where 1 is for fast compression at the expense of speed (optional, 6 is used if omitted)
 ```xml
@@ -30,15 +30,14 @@ The plugins currently supports the following configuration attributes:
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
              xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd"
+             xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd"
 >
     ...
     <cache xs:type="rbcs-memcache:memcacheCacheType" 
            max-age="P7D"
            digest="SHA-256"
            compression-mode="deflate"
-           compression-level="6"
-           chunk-size="0x10000">
+           compression-level="6">
         <server host="127.0.0.1" port="11211" max-connections="256"/>
         <server host="127.0.0.1" port="11212" max-connections="256"/>
     </cache>

rbcs-server-memcache/src/main/kotlin/net/woggioni/rbcs/server/memcache/MemcacheCacheConfiguration.kt

@@ -1,14 +1,15 @@
 package net.woggioni.rbcs.server.memcache
 
 import io.netty.channel.ChannelFactory
-import io.netty.channel.ChannelHandler
 import io.netty.channel.EventLoopGroup
 import io.netty.channel.pool.FixedChannelPool
 import io.netty.channel.socket.DatagramChannel
 import io.netty.channel.socket.SocketChannel
+import net.woggioni.rbcs.api.CacheHandler
 import net.woggioni.rbcs.api.CacheHandlerFactory
 import net.woggioni.rbcs.api.Configuration
 import net.woggioni.rbcs.common.HostAndPort
+import net.woggioni.rbcs.common.createLogger
 import net.woggioni.rbcs.server.memcache.client.MemcacheClient
 import java.time.Duration
 import java.util.concurrent.CompletableFuture
@@ -22,9 +23,12 @@ data class MemcacheCacheConfiguration(
     val digestAlgorithm: String? = null,
     val compressionMode: CompressionMode? = null,
     val compressionLevel: Int,
-    val chunkSize: Int
 ) : Configuration.Cache {
 
+    companion object {
+        private val log = createLogger<MemcacheCacheConfiguration>()
+    }
+
     enum class CompressionMode {
         /**
          * Deflate mode
@@ -43,14 +47,15 @@ data class MemcacheCacheConfiguration(
         private val connectionPoolMap = ConcurrentHashMap<HostAndPort, FixedChannelPool>()
 
         override fun newHandler(
+            cfg : Configuration,
             eventLoop: EventLoopGroup,
             socketChannelFactory: ChannelFactory<SocketChannel>,
-            datagramChannelFactory: ChannelFactory<DatagramChannel>
-        ): ChannelHandler {
+            datagramChannelFactory: ChannelFactory<DatagramChannel>,
+        ): CacheHandler {
             return MemcacheCacheHandler(
                 MemcacheClient(
                     this@MemcacheCacheConfiguration.servers,
-                    chunkSize,
+                    cfg.connection.chunkSize,
                     eventLoop,
                     socketChannelFactory,
                     connectionPoolMap
@@ -58,7 +63,7 @@ data class MemcacheCacheConfiguration(
                 digestAlgorithm,
                 compressionMode != null,
                 compressionLevel,
-                chunkSize,
+                cfg.connection.chunkSize,
                 maxAge
             )
         }
@@ -69,6 +74,9 @@ data class MemcacheCacheConfiguration(
                 val pools = connectionPoolMap.values.toList()
                 val npools = pools.size
                 val finished = AtomicInteger(0)
+                if (pools.isEmpty()) {
+                    complete(null)
+                } else {
                     pools.forEach { pool ->
                         pool.closeAsync().addListener {
                             if (!it.isSuccess) {
@@ -84,6 +92,7 @@ data class MemcacheCacheConfiguration(
                     }
                 }
             }
+        }
 
     }
 

rbcs-server-memcache/src/main/kotlin/net/woggioni/rbcs/server/memcache/MemcacheCacheHandler.kt

@@ -4,7 +4,6 @@ import io.netty.buffer.ByteBuf
 import io.netty.buffer.ByteBufAllocator
 import io.netty.buffer.CompositeByteBuf
 import io.netty.channel.ChannelHandlerContext
-import io.netty.channel.SimpleChannelInboundHandler
 import io.netty.handler.codec.memcache.DefaultLastMemcacheContent
 import io.netty.handler.codec.memcache.DefaultMemcacheContent
 import io.netty.handler.codec.memcache.LastMemcacheContent
@@ -13,6 +12,7 @@ import io.netty.handler.codec.memcache.binary.BinaryMemcacheOpcodes
 import io.netty.handler.codec.memcache.binary.BinaryMemcacheResponse
 import io.netty.handler.codec.memcache.binary.BinaryMemcacheResponseStatus
 import io.netty.handler.codec.memcache.binary.DefaultBinaryMemcacheRequest
+import net.woggioni.rbcs.api.CacheHandler
 import net.woggioni.rbcs.api.CacheValueMetadata
 import net.woggioni.rbcs.api.exception.ContentTooLargeException
 import net.woggioni.rbcs.api.message.CacheMessage
@@ -58,7 +58,7 @@ class MemcacheCacheHandler(
     private val compressionLevel: Int,
     private val chunkSize: Int,
     private val maxAge: Duration
-) : SimpleChannelInboundHandler<CacheMessage>() {
+) : CacheHandler() {
     companion object {
         private val log = createLogger<MemcacheCacheHandler>()
 
@@ -69,10 +69,14 @@ class MemcacheCacheHandler(
         }
     }
 
+    private interface InProgressRequest {
+
+    }
+
     private inner class InProgressGetRequest(
-        private val key: String,
+        val key: String,
         private val ctx: ChannelHandlerContext
-    ) {
+    ) : InProgressRequest {
         private val acc = ctx.alloc().compositeBuffer()
         private val chunk = ctx.alloc().compositeBuffer()
         private val outputStream = ByteBufOutputStream(chunk).let {
@@ -98,7 +102,10 @@ class MemcacheCacheHandler(
                         acc.retain()
                         it.readObject() as CacheValueMetadata
                     }
-                    ctx.writeAndFlush(CacheValueFoundResponse(key, metadata))
+                    log.trace(ctx) {
+                        "Sending response from cache"
+                    }
+                    sendMessageAndFlush(ctx, CacheValueFoundResponse(key, metadata))
                     responseSent = true
                     acc.readerIndex(Int.SIZE_BYTES + mSize)
                 }
@@ -114,16 +121,16 @@ class MemcacheCacheHandler(
             val toSend = extractChunk(chunk, ctx.alloc())
             val msg = if (last) {
                 log.trace(ctx) {
-                    "Sending last chunk to client on channel ${ctx.channel().id().asShortText()}"
+                    "Sending last chunk to client"
                 }
                 LastCacheContent(toSend)
             } else {
                 log.trace(ctx) {
-                    "Sending chunk to client on channel ${ctx.channel().id().asShortText()}"
+                    "Sending chunk to client"
                 }
                 CacheContent(toSend)
             }
-            ctx.writeAndFlush(msg)
+            sendMessageAndFlush(ctx, msg)
         }
 
         fun commit() {
@@ -146,7 +153,7 @@ class MemcacheCacheHandler(
         val digest: ByteBuf,
         val requestController: CompletableFuture<MemcacheRequestController>,
         private val alloc: ByteBufAllocator
-    ) {
+    ) : InProgressRequest {
         private var totalSize = 0
         private var tmpFile: FileChannel? = null
         private val accumulator = alloc.compositeBuffer()
@@ -224,8 +231,7 @@ class MemcacheCacheHandler(
         }
     }
 
-    private var inProgressPutRequest: InProgressPutRequest? = null
-    private var inProgressGetRequest: InProgressGetRequest? = null
+    private var inProgressRequest: InProgressRequest? = null
 
     override fun channelRead0(ctx: ChannelHandlerContext, msg: CacheMessage) {
         when (msg) {
@@ -252,33 +258,40 @@ class MemcacheCacheHandler(
                         log.debug(ctx) {
                             "Cache hit for key ${msg.key} on memcache"
                         }
-                        inProgressGetRequest = InProgressGetRequest(msg.key, ctx)
+                        inProgressRequest = InProgressGetRequest(msg.key, ctx)
                     }
 
                     BinaryMemcacheResponseStatus.KEY_ENOENT -> {
                         log.debug(ctx) {
                             "Cache miss for key ${msg.key} on memcache"
                         }
-                        ctx.writeAndFlush(CacheValueNotFoundResponse())
+                        sendMessageAndFlush(ctx, CacheValueNotFoundResponse())
                     }
                 }
             }
 
             override fun contentReceived(content: MemcacheContent) {
                 log.trace(ctx) {
-                    "${if(content is LastMemcacheContent) "Last chunk" else "Chunk"} of ${content.content().readableBytes()} bytes received from memcache for key ${msg.key}"
+                    "${if (content is LastMemcacheContent) "Last chunk" else "Chunk"} of ${
+                        content.content().readableBytes()
+                    } bytes received from memcache for key ${msg.key}"
                 }
-                inProgressGetRequest?.write(content.content())
+                (inProgressRequest as? InProgressGetRequest)?.let { inProgressGetRequest ->
+                    inProgressGetRequest.write(content.content())
                     if (content is LastMemcacheContent) {
-                    inProgressGetRequest?.commit()
+                        inProgressRequest = null
+                        inProgressGetRequest.commit()
+                    }
                 }
             }
 
             override fun exceptionCaught(ex: Throwable) {
+                (inProgressRequest as? InProgressGetRequest).let { inProgressGetRequest ->
                     inProgressGetRequest?.let {
-                    inProgressGetRequest = null
+                        inProgressRequest = null
                         it.rollback()
                     }
+                }
                 this@MemcacheCacheHandler.exceptionCaught(ctx, ex)
             }
         }
@@ -290,6 +303,7 @@ class MemcacheCacheHandler(
                 setOpcode(BinaryMemcacheOpcodes.GET)
             }
             requestHandle.sendRequest(request)
+            requestHandle.sendContent(LastMemcacheContent.EMPTY_LAST_CONTENT)
         }
     }
 
@@ -305,8 +319,9 @@ class MemcacheCacheHandler(
                         log.debug(ctx) {
                             "Inserted key ${msg.key} into memcache"
                         }
-                        ctx.writeAndFlush(CachePutResponse(msg.key))
+                        sendMessageAndFlush(ctx, CachePutResponse(msg.key))
                     }
+
                     else -> this@MemcacheCacheHandler.exceptionCaught(ctx, MemcacheException(status))
                 }
             }
@@ -323,21 +338,30 @@ class MemcacheCacheHandler(
                 this@MemcacheCacheHandler.exceptionCaught(ctx, ex)
             }
         }
-        inProgressPutRequest = InProgressPutRequest(ctx.channel(), msg.metadata, key, requestController, ctx.alloc())
+        inProgressRequest = InProgressPutRequest(ctx.channel(), msg.metadata, key, requestController, ctx.alloc())
     }
 
     private fun handleCacheContent(ctx: ChannelHandlerContext, msg: CacheContent) {
-        inProgressPutRequest?.let { request ->
+        val request = inProgressRequest
+        when (request) {
+            is InProgressPutRequest -> {
                 log.trace(ctx) {
                     "Received chunk of ${msg.content().readableBytes()} bytes for memcache"
                 }
                 request.write(msg.content())
             }
+
+            is InProgressGetRequest -> {
+                msg.release()
+            }
+        }
     }
 
     private fun handleLastCacheContent(ctx: ChannelHandlerContext, msg: LastCacheContent) {
-        inProgressPutRequest?.let { request ->
-            inProgressPutRequest = null
+        val request = inProgressRequest
+        when (request) {
+            is InProgressPutRequest -> {
+                inProgressRequest = null
                 log.trace(ctx) {
                     "Received last chunk of ${msg.content().readableBytes()} bytes for memcache"
                 }
@@ -348,6 +372,9 @@ class MemcacheCacheHandler(
                 extras.writeInt(0)
                 extras.writeInt(encodeExpiry(maxAge))
                 val totalBodyLength = request.digest.readableBytes() + extras.readableBytes() + payloadSize
+                log.trace(ctx) {
+                    "Trying to send SET request to memcache"
+                }
                 request.requestController.whenComplete { requestController, ex ->
                     if (ex == null) {
                         log.trace(ctx) {
@@ -391,18 +418,23 @@ class MemcacheCacheHandler(
                 }
             }
         }
+    }
 
     override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
-        inProgressGetRequest?.let {
-            inProgressGetRequest = null
-            it.rollback()
-        }
-        inProgressPutRequest?.let {
-            inProgressPutRequest = null
-            it.requestController.thenAccept { controller ->
+        val request = inProgressRequest
+        when (request) {
+            is InProgressPutRequest -> {
+                inProgressRequest = null
+                request.requestController.thenAccept { controller ->
                     controller.exceptionCaught(cause)
                 }
-            it.rollback()
+                request.rollback()
+            }
+
+            is InProgressGetRequest -> {
+                inProgressRequest = null
+                request.rollback()
+            }
         }
         super.exceptionCaught(ctx, cause)
     }

rbcs-server-memcache/src/main/kotlin/net/woggioni/rbcs/server/memcache/MemcacheCacheProvider.kt

@@ -28,9 +28,6 @@ class MemcacheCacheProvider : CacheProvider<MemcacheCacheConfiguration> {
         val maxAge = el.renderAttribute("max-age")
             ?.let(Duration::parse)
             ?: Duration.ofDays(1)
-        val chunkSize = el.renderAttribute("chunk-size")
-            ?.let(Integer::decode)
-            ?: 0x10000
         val compressionLevel = el.renderAttribute("compression-level")
             ?.let(Integer::decode)
             ?: -1
@@ -63,8 +60,7 @@ class MemcacheCacheProvider : CacheProvider<MemcacheCacheConfiguration> {
             maxAge,
             digestAlgorithm,
             compressionMode,
-            compressionLevel,
-            chunkSize
+            compressionLevel
         )
     }
 
@@ -84,7 +80,6 @@ class MemcacheCacheProvider : CacheProvider<MemcacheCacheConfiguration> {
                 }
             }
             attr("max-age", maxAge.toString())
-            attr("chunk-size", chunkSize.toString())
             digestAlgorithm?.let { digestAlgorithm ->
                 attr("digest", digestAlgorithm)
             }

rbcs-server-memcache/src/main/kotlin/net/woggioni/rbcs/server/memcache/client/MemcacheClient.kt

@@ -12,7 +12,6 @@ import io.netty.channel.ChannelPipeline
 import io.netty.channel.EventLoopGroup
 import io.netty.channel.SimpleChannelInboundHandler
 import io.netty.channel.pool.AbstractChannelPoolHandler
-import io.netty.channel.pool.ChannelPool
 import io.netty.channel.pool.FixedChannelPool
 import io.netty.channel.socket.SocketChannel
 import io.netty.handler.codec.memcache.LastMemcacheContent
@@ -24,7 +23,7 @@ import io.netty.handler.codec.memcache.binary.BinaryMemcacheResponse
 import io.netty.util.concurrent.GenericFutureListener
 import net.woggioni.rbcs.common.HostAndPort
 import net.woggioni.rbcs.common.createLogger
-import net.woggioni.rbcs.common.warn
+import net.woggioni.rbcs.common.trace
 import net.woggioni.rbcs.server.memcache.MemcacheCacheConfiguration
 import net.woggioni.rbcs.server.memcache.MemcacheCacheHandler
 import java.io.IOException
@@ -94,18 +93,6 @@ class MemcacheClient(
         pool.acquire().addListener(object : GenericFutureListener<NettyFuture<Channel>> {
             override fun operationComplete(channelFuture: NettyFuture<Channel>) {
                 if (channelFuture.isSuccess) {
-
-                    var requestSent = false
-                    var requestBodySent = false
-                    var requestFinished = false
-                    var responseReceived = false
-                    var responseBodyReceived = false
-                    var responseFinished = false
-                    var requestBodySize = 0
-                    var requestBodyBytesSent = 0
-
-
-
                     val channel = channelFuture.now
                     var connectionClosedByTheRemoteServer = true
                     val closeCallback = {
@@ -113,15 +100,8 @@ class MemcacheClient(
                             val ex = IOException("The memcache server closed the connection")
                             val completed = response.completeExceptionally(ex)
                             if(!completed) responseHandler.exceptionCaught(ex)
-                            log.warn {
-                                "RequestSent: $requestSent, RequestBodySent: $requestBodySent, " +
-                                "RequestFinished: $requestFinished, ResponseReceived: $responseReceived, " +
-                                "ResponseBodyReceived: $responseBodyReceived, ResponseFinished: $responseFinished, " +
-                                "RequestBodySize: $requestBodySize, RequestBodyBytesSent: $requestBodyBytesSent"
                         }
                     }
-                        pool.release(channel)
-                    }
                     val closeListener = ChannelFutureListener {
                         closeCallback()
                     }
@@ -140,18 +120,14 @@ class MemcacheClient(
                             when (msg) {
                                 is BinaryMemcacheResponse -> {
                                     responseHandler.responseReceived(msg)
-                                    responseReceived = true
                                 }
 
                                 is LastMemcacheContent -> {
-                                    responseFinished = true
                                     responseHandler.contentReceived(msg)
                                     pipeline.remove(this)
-                                    pool.release(channel)
                                 }
 
                                 is MemcacheContent -> {
-                                    responseBodyReceived = true
                                     responseHandler.contentReceived(msg)
                                 }
                             }
@@ -165,35 +141,43 @@ class MemcacheClient(
                         override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
                             connectionClosedByTheRemoteServer = false
                             ctx.close()
-                            pool.release(channel)
                             responseHandler.exceptionCaught(cause)
                         }
                     }
 
-                    channel.pipeline()
-                        .addLast("client-handler", handler)
+                    channel.pipeline().addLast(handler)
                     response.complete(object : MemcacheRequestController {
+                        private var channelReleased = false
 
                         override fun sendRequest(request: BinaryMemcacheRequest) {
-                            requestBodySize = request.totalBodyLength() - request.keyLength() - request.extrasLength()
                             channel.writeAndFlush(request)
-                            requestSent = true
                         }
 
                         override fun sendContent(content: MemcacheContent) {
-                            val size = content.content().readableBytes()
                             channel.writeAndFlush(content).addListener {
-                                requestBodyBytesSent += size
-                                requestBodySent = true
                                 if(content is LastMemcacheContent) {
-                                    requestFinished = true
+                                    if(!channelReleased) {
+                                        pool.release(channel)
+                                        channelReleased = true
+                                        log.trace(channel) {
+                                            "Channel released"
+                                        }
+                                    }
                                 }
                             }
                         }
 
                         override fun exceptionCaught(ex: Throwable) {
+                            log.warn(ex.message, ex)
                             connectionClosedByTheRemoteServer = false
                             channel.close()
+                            if(!channelReleased) {
+                                pool.release(channel)
+                                channelReleased = true
+                                log.trace(channel) {
+                                    "Channel released"
+                                }
+                            }
                         }
                     })
                 } else {

rbcs-server-memcache/src/main/resources/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd

@@ -4,7 +4,7 @@
            xmlns:rbcs="urn:net.woggioni.rbcs.server"
            xmlns:xs="http://www.w3.org/2001/XMLSchema">
 
-    <xs:import schemaLocation="jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd" namespace="urn:net.woggioni.rbcs.server"/>
+    <xs:import schemaLocation="jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd" namespace="urn:net.woggioni.rbcs.server"/>
 
     <xs:complexType name="memcacheServerType">
         <xs:attribute name="host" type="xs:token" use="required"/>

rbcs-server/src/main/java/module-info.java

@@ -3,27 +3,26 @@ import net.woggioni.rbcs.server.cache.FileSystemCacheProvider;
 import net.woggioni.rbcs.server.cache.InMemoryCacheProvider;
 
 module net.woggioni.rbcs.server {
-    requires java.sql;
     requires java.xml;
-    requires java.logging;
     requires java.naming;
     requires kotlin.stdlib;
-    requires io.netty.buffer;
-    requires io.netty.transport;
     requires io.netty.codec.http;
-    requires io.netty.common;
     requires io.netty.handler;
-    requires io.netty.codec;
-    requires org.slf4j;
     requires net.woggioni.jwo;
     requires net.woggioni.rbcs.common;
     requires net.woggioni.rbcs.api;
+    requires io.netty.codec.compression;
+    requires io.netty.transport;
+    requires io.netty.buffer;
+    requires io.netty.common;
+    requires org.slf4j;
 
     exports net.woggioni.rbcs.server;
 
     opens net.woggioni.rbcs.server;
     opens net.woggioni.rbcs.server.schema;
 
+
     uses CacheProvider;
     provides CacheProvider with FileSystemCacheProvider, InMemoryCacheProvider;
 }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/RemoteBuildCacheServer.kt

@@ -11,7 +11,8 @@ import io.netty.channel.ChannelInboundHandlerAdapter
 import io.netty.channel.ChannelInitializer
 import io.netty.channel.ChannelOption
 import io.netty.channel.ChannelPromise
-import io.netty.channel.nio.NioEventLoopGroup
+import io.netty.channel.MultiThreadIoEventLoopGroup
+import io.netty.channel.nio.NioIoHandler
 import io.netty.channel.socket.DatagramChannel
 import io.netty.channel.socket.ServerSocketChannel
 import io.netty.channel.socket.SocketChannel
@@ -21,6 +22,7 @@ import io.netty.channel.socket.nio.NioSocketChannel
 import io.netty.handler.codec.compression.CompressionOptions
 import io.netty.handler.codec.http.DefaultHttpContent
 import io.netty.handler.codec.http.HttpContentCompressor
+import io.netty.handler.codec.http.HttpDecoderConfig
 import io.netty.handler.codec.http.HttpHeaderNames
 import io.netty.handler.codec.http.HttpRequest
 import io.netty.handler.codec.http.HttpServerCodec
@@ -33,37 +35,11 @@ import io.netty.handler.timeout.IdleState
 import io.netty.handler.timeout.IdleStateEvent
 import io.netty.handler.timeout.IdleStateHandler
 import io.netty.util.AttributeKey
-import io.netty.util.concurrent.DefaultEventExecutorGroup
 import io.netty.util.concurrent.EventExecutorGroup
-import net.woggioni.jwo.JWO
-import net.woggioni.jwo.Tuple2
-import net.woggioni.rbcs.api.AsyncCloseable
-import net.woggioni.rbcs.api.Configuration
-import net.woggioni.rbcs.api.exception.ConfigurationException
-import net.woggioni.rbcs.common.PasswordSecurity.decodePasswordHash
-import net.woggioni.rbcs.common.PasswordSecurity.hashPassword
-import net.woggioni.rbcs.common.RBCS.toUrl
-import net.woggioni.rbcs.common.Xml
-import net.woggioni.rbcs.common.createLogger
-import net.woggioni.rbcs.common.debug
-import net.woggioni.rbcs.common.info
-import net.woggioni.rbcs.server.auth.AbstractNettyHttpAuthenticator
-import net.woggioni.rbcs.server.auth.Authorizer
-import net.woggioni.rbcs.server.auth.ClientCertificateValidator
-import net.woggioni.rbcs.server.auth.RoleAuthorizer
-import net.woggioni.rbcs.server.configuration.Parser
-import net.woggioni.rbcs.server.configuration.Serializer
-import net.woggioni.rbcs.server.exception.ExceptionHandler
-import net.woggioni.rbcs.server.handler.MaxRequestSizeHandler
-import net.woggioni.rbcs.server.handler.ServerHandler
-import net.woggioni.rbcs.server.handler.TraceHandler
-import net.woggioni.rbcs.server.throttling.BucketManager
-import net.woggioni.rbcs.server.throttling.ThrottlingHandler
 import java.io.OutputStream
 import java.net.InetSocketAddress
 import java.nio.file.Files
 import java.nio.file.Path
-import java.security.KeyStore
 import java.security.PrivateKey
 import java.security.cert.X509Certificate
 import java.time.Duration
@@ -78,6 +54,29 @@ import java.util.regex.Matcher
 import java.util.regex.Pattern
 import javax.naming.ldap.LdapName
 import javax.net.ssl.SSLPeerUnverifiedException
+import net.woggioni.rbcs.api.AsyncCloseable
+import net.woggioni.rbcs.api.Configuration
+import net.woggioni.rbcs.api.exception.ConfigurationException
+import net.woggioni.rbcs.common.PasswordSecurity.decodePasswordHash
+import net.woggioni.rbcs.common.PasswordSecurity.hashPassword
+import net.woggioni.rbcs.common.RBCS.getTrustManager
+import net.woggioni.rbcs.common.RBCS.loadKeystore
+import net.woggioni.rbcs.common.RBCS.toUrl
+import net.woggioni.rbcs.common.Xml
+import net.woggioni.rbcs.common.createLogger
+import net.woggioni.rbcs.common.debug
+import net.woggioni.rbcs.common.info
+import net.woggioni.rbcs.server.auth.AbstractNettyHttpAuthenticator
+import net.woggioni.rbcs.server.auth.Authorizer
+import net.woggioni.rbcs.server.auth.RoleAuthorizer
+import net.woggioni.rbcs.server.configuration.Parser
+import net.woggioni.rbcs.server.configuration.Serializer
+import net.woggioni.rbcs.server.exception.ExceptionHandler
+import net.woggioni.rbcs.server.handler.BlackHoleRequestHandler
+import net.woggioni.rbcs.server.handler.MaxRequestSizeHandler
+import net.woggioni.rbcs.server.handler.ServerHandler
+import net.woggioni.rbcs.server.throttling.BucketManager
+import net.woggioni.rbcs.server.throttling.ThrottlingHandler
 
 class RemoteBuildCacheServer(private val cfg: Configuration) {
 
@@ -87,7 +86,7 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
         val userAttribute: AttributeKey<Configuration.User> = AttributeKey.valueOf("user")
         val groupAttribute: AttributeKey<Set<Configuration.Group>> = AttributeKey.valueOf("group")
 
-        val DEFAULT_CONFIGURATION_URL by lazy { "classpath:net/woggioni/rbcs/server/rbcs-default.xml".toUrl() }
+        val DEFAULT_CONFIGURATION_URL by lazy { "jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/rbcs-default.xml".toUrl() }
         private const val SSL_HANDLER_NAME = "sslHandler"
 
         fun loadConfiguration(configurationFile: Path): Configuration {
@@ -209,7 +208,6 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
         private val cfg: Configuration,
         private val channelFactory : ChannelFactory<SocketChannel>,
         private val datagramChannelFactory : ChannelFactory<DatagramChannel>,
-        private val eventExecutorGroup: EventExecutorGroup
     ) : ChannelInitializer<Channel>(), AsyncCloseable {
 
         companion object {
@@ -230,7 +228,7 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
                         val clientAuth = tls.trustStore?.let { trustStore ->
                             val ts = loadKeystore(trustStore.file, trustStore.password)
                             trustManager(
-                                ClientCertificateValidator.getTrustManager(ts, trustStore.isCheckCertificateStatus)
+                                getTrustManager(ts, trustStore.isCheckCertificateStatus)
                             )
                             if (trustStore.isRequireClientCertificate) ClientAuth.REQUIRE
                             else ClientAuth.OPTIONAL
@@ -240,27 +238,6 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
                 }
             }
 
-            fun loadKeystore(file: Path, password: String?): KeyStore {
-                val ext = JWO.splitExtension(file)
-                    .map(Tuple2<String, String>::get_2)
-                    .orElseThrow {
-                        IllegalArgumentException(
-                            "Keystore file '${file}' must have .jks, .p12, .pfx extension"
-                        )
-                    }
-                val keystore = when (ext.substring(1).lowercase()) {
-                    "jks" -> KeyStore.getInstance("JKS")
-                    "p12", "pfx" -> KeyStore.getInstance("PKCS12")
-                    else -> throw IllegalArgumentException(
-                        "Keystore file '${file}' must have .jks, .p12, .pfx extension"
-                    )
-                }
-                Files.newInputStream(file).use {
-                    keystore.load(it, password?.let(String::toCharArray))
-                }
-                return keystore
-            }
-
             private val log = createLogger<ServerInitializer>()
         }
 
@@ -321,6 +298,7 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
                     "Closed connection ${ch.id().asShortText()} with ${ch.remoteAddress()}"
                 }
             }
+            ch.config().setAutoRead(false)
             val pipeline = ch.pipeline()
             cfg.connection.also { conn ->
                 val readIdleTimeout = conn.readIdleTimeout.toMillis()
@@ -363,7 +341,10 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
             sslContext?.newHandler(ch.alloc())?.also {
                 pipeline.addLast(SSL_HANDLER_NAME, it)
             }
-            pipeline.addLast(HttpServerCodec())
+            val httpDecoderConfig = HttpDecoderConfig().apply {
+                maxChunkSize = cfg.connection.chunkSize
+            }
+            pipeline.addLast(HttpServerCodec(httpDecoderConfig))
             pipeline.addLast(MaxRequestSizeHandler.NAME, MaxRequestSizeHandler(cfg.connection.maxRequestSize))
             pipeline.addLast(HttpChunkContentCompressor(1024))
             pipeline.addLast(ChunkedWriteHandler())
@@ -374,13 +355,13 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
 
             val serverHandler = let {
                 val prefix = Path.of("/").resolve(Path.of(cfg.serverPath ?: "/"))
-                ServerHandler(prefix)
+                ServerHandler(prefix) {
+                    cacheHandlerFactory.newHandler(cfg, ch.eventLoop(), channelFactory, datagramChannelFactory)
                 }
-            pipeline.addLast(eventExecutorGroup, ServerHandler.NAME, serverHandler)
-
-            pipeline.addLast(cacheHandlerFactory.newHandler(ch.eventLoop(), channelFactory, datagramChannelFactory))
-            pipeline.addLast(TraceHandler)
-            pipeline.addLast(ExceptionHandler)
+            }
+            pipeline.addLast(ServerHandler.NAME, serverHandler)
+            pipeline.addLast(ExceptionHandler.NAME, ExceptionHandler)
+            pipeline.addLast(BlackHoleRequestHandler.NAME, BlackHoleRequestHandler())
         }
 
         override fun asyncClose() = cacheHandlerFactory.asyncClose()
@@ -391,13 +372,14 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
         private val bossGroup: EventExecutorGroup,
         private val executorGroups: Iterable<EventExecutorGroup>,
         private val serverInitializer: AsyncCloseable,
-    ) : Future<Void> by from(closeFuture, executorGroups, serverInitializer) {
+    ) : Future<Void> by from(closeFuture, bossGroup, executorGroups, serverInitializer) {
 
         companion object {
             private val log = createLogger<ServerHandle>()
 
             private fun from(
                 closeFuture: ChannelFuture,
+                bossGroup: EventExecutorGroup,
                 executorGroups: Iterable<EventExecutorGroup>,
                 serverInitializer: AsyncCloseable
             ): CompletableFuture<Void> {
@@ -405,22 +387,15 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
                 closeFuture.addListener {
                     val errors = mutableListOf<Throwable>()
                     val deadline = Instant.now().plusSeconds(20)
-                    try {
-                        serverInitializer.close()
-                    } catch (ex: Throwable) {
-                        log.error(ex.message, ex)
-                        errors.addLast(ex)
-                    }
 
-                    serverInitializer.asyncClose().whenComplete { _, ex ->
+                    serverInitializer.asyncClose().whenCompleteAsync { _, ex ->
                         if(ex != null) {
                             log.error(ex.message, ex)
                             errors.addLast(ex)
                         }
 
-                        executorGroups.map {
-                            it.shutdownGracefully()
-                        }
+                        executorGroups.forEach(EventExecutorGroup::shutdownGracefully)
+                        bossGroup.terminationFuture().sync()
 
                         for (executorGroup in executorGroups) {
                             val future = executorGroup.terminationFuture()
@@ -465,20 +440,13 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
 
     fun run(): ServerHandle {
         // Create the multithreaded event loops for the server
-        val bossGroup = NioEventLoopGroup(1)
+        val bossGroup = MultiThreadIoEventLoopGroup(1, NioIoHandler.newFactory())
         val channelFactory = ChannelFactory<SocketChannel> { NioSocketChannel() }
         val datagramChannelFactory = ChannelFactory<DatagramChannel> { NioDatagramChannel() }
         val serverChannelFactory = ChannelFactory<ServerSocketChannel> { NioServerSocketChannel() }
-        val workerGroup = NioEventLoopGroup(0)
-        val eventExecutorGroup = run {
-            val threadFactory = if (cfg.eventExecutor.isUseVirtualThreads) {
-                Thread.ofVirtual().factory()
-            } else {
-                null
-            }
-            DefaultEventExecutorGroup(Runtime.getRuntime().availableProcessors(), threadFactory)
-        }
-        val serverInitializer = ServerInitializer(cfg, channelFactory, datagramChannelFactory, workerGroup)
+        val workerGroup = MultiThreadIoEventLoopGroup(0, NioIoHandler.newFactory())
+
+        val serverInitializer = ServerInitializer(cfg, channelFactory, datagramChannelFactory)
         val bootstrap = ServerBootstrap().apply {
             // Configure the server
             group(bossGroup, workerGroup)
@@ -499,7 +467,7 @@ class RemoteBuildCacheServer(private val cfg: Configuration) {
         return ServerHandle(
             httpChannel.closeFuture(),
             bossGroup,
-            setOf(workerGroup, eventExecutorGroup),
+            setOf(workerGroup),
             serverInitializer
         )
     }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/auth/ClientCertificateValidator.kt

@@ -1,90 +0,0 @@
-package net.woggioni.rbcs.server.auth
-
-import io.netty.channel.ChannelHandlerContext
-import io.netty.channel.ChannelInboundHandlerAdapter
-import io.netty.handler.ssl.SslHandler
-import io.netty.handler.ssl.SslHandshakeCompletionEvent
-import java.security.KeyStore
-import java.security.cert.CertPathValidator
-import java.security.cert.CertPathValidatorException
-import java.security.cert.CertificateException
-import java.security.cert.CertificateFactory
-import java.security.cert.PKIXParameters
-import java.security.cert.PKIXRevocationChecker
-import java.security.cert.X509Certificate
-import java.util.EnumSet
-import javax.net.ssl.SSLSession
-import javax.net.ssl.TrustManagerFactory
-import javax.net.ssl.X509TrustManager
-
-
-class ClientCertificateValidator private constructor(
-    private val sslHandler: SslHandler,
-    private val x509TrustManager: X509TrustManager
-) : ChannelInboundHandlerAdapter() {
-    override fun userEventTriggered(ctx: ChannelHandlerContext, evt: Any) {
-        if (evt is SslHandshakeCompletionEvent) {
-            if (evt.isSuccess) {
-                val session: SSLSession = sslHandler.engine().session
-                val clientCertificateChain = session.peerCertificates as Array<X509Certificate>
-                val authType: String = clientCertificateChain[0].publicKey.algorithm
-                x509TrustManager.checkClientTrusted(clientCertificateChain, authType)
-            } else {
-                // Handle the failure, for example by closing the channel.
-            }
-        }
-        super.userEventTriggered(ctx, evt)
-    }
-
-    companion object {
-        fun getTrustManager(trustStore: KeyStore?, certificateRevocationEnabled: Boolean): X509TrustManager {
-            return if (trustStore != null) {
-                val certificateFactory = CertificateFactory.getInstance("X.509")
-                val validator = CertPathValidator.getInstance("PKIX").apply {
-                    val rc = revocationChecker as PKIXRevocationChecker
-                    rc.options = EnumSet.of(
-                        PKIXRevocationChecker.Option.NO_FALLBACK
-                    )
-                }
-                val params = PKIXParameters(trustStore).apply {
-                    isRevocationEnabled = certificateRevocationEnabled
-                }
-                object : X509TrustManager {
-                    override fun checkClientTrusted(chain: Array<out X509Certificate>, authType: String) {
-                        val clientCertificateChain = certificateFactory.generateCertPath(chain.toList())
-                        try {
-                            validator.validate(clientCertificateChain, params)
-                        } catch (ex: CertPathValidatorException) {
-                            throw CertificateException(ex)
-                        }
-                    }
-
-                    override fun checkServerTrusted(chain: Array<out X509Certificate>, authType: String) {
-                        throw NotImplementedError()
-                    }
-
-                    private val acceptedIssuers = trustStore.aliases().asSequence()
-                        .filter(trustStore::isCertificateEntry)
-                        .map(trustStore::getCertificate)
-                        .map { it as X509Certificate }
-                        .toList()
-                        .toTypedArray()
-
-                    override fun getAcceptedIssuers() = acceptedIssuers
-                }
-            } else {
-                val trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())
-                trustManagerFactory.trustManagers.asSequence().filter { it is X509TrustManager }
-                    .single() as X509TrustManager
-            }
-        }
-
-        fun of(
-            sslHandler: SslHandler,
-            trustStore: KeyStore?,
-            certificateRevocationEnabled: Boolean
-        ): ClientCertificateValidator {
-            return ClientCertificateValidator(sslHandler, getTrustManager(trustStore, certificateRevocationEnabled))
-        }
-    }
-}

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/auth/UserAuthorizer.kt

@@ -8,8 +8,9 @@ class RoleAuthorizer : Authorizer {
 
     companion object {
         private val METHOD_MAP = mapOf(
-            Role.Reader to setOf(HttpMethod.GET, HttpMethod.HEAD, HttpMethod.TRACE),
-            Role.Writer to setOf(HttpMethod.PUT, HttpMethod.POST)
+            Role.Reader to setOf(HttpMethod.GET, HttpMethod.HEAD),
+            Role.Writer to setOf(HttpMethod.PUT, HttpMethod.POST),
+            Role.Healthcheck to setOf(HttpMethod.TRACE)
         )
     }
 

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/cache/FileSystemCacheConfiguration.kt

@@ -17,7 +17,6 @@ data class FileSystemCacheConfiguration(
     val digestAlgorithm : String?,
     val compressionEnabled: Boolean,
     val compressionLevel: Int,
-    val chunkSize: Int,
 ) : Configuration.Cache {
 
     override fun materialize() = object : CacheHandlerFactory {
@@ -26,10 +25,11 @@ data class FileSystemCacheConfiguration(
         override fun asyncClose() = cache.asyncClose()
 
         override fun newHandler(
+            cfg : Configuration,
             eventLoop: EventLoopGroup,
             socketChannelFactory: ChannelFactory<SocketChannel>,
             datagramChannelFactory: ChannelFactory<DatagramChannel>
-        ) = FileSystemCacheHandler(cache, digestAlgorithm, compressionEnabled, compressionLevel, chunkSize)
+        ) = FileSystemCacheHandler(cache, digestAlgorithm, compressionEnabled, compressionLevel, cfg.connection.chunkSize)
     }
 
     override fun getNamespaceURI() = RBCS.RBCS_NAMESPACE_URI

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/cache/FileSystemCacheHandler.kt

@@ -2,9 +2,9 @@ package net.woggioni.rbcs.server.cache
 
 import io.netty.buffer.ByteBuf
 import io.netty.channel.ChannelHandlerContext
-import io.netty.channel.SimpleChannelInboundHandler
 import io.netty.handler.codec.http.LastHttpContent
 import io.netty.handler.stream.ChunkedNioFile
+import net.woggioni.rbcs.api.CacheHandler
 import net.woggioni.rbcs.api.message.CacheMessage
 import net.woggioni.rbcs.api.message.CacheMessage.CacheContent
 import net.woggioni.rbcs.api.message.CacheMessage.CacheGetRequest
@@ -26,12 +26,18 @@ class FileSystemCacheHandler(
     private val compressionEnabled: Boolean,
     private val compressionLevel: Int,
     private val chunkSize: Int
-) : SimpleChannelInboundHandler<CacheMessage>() {
+) : CacheHandler() {
+
+    private interface InProgressRequest{
+
+    }
+
+    private class InProgressGetRequest(val request : CacheGetRequest) : InProgressRequest
 
     private inner class InProgressPutRequest(
         val key : String,
         private val fileSink : FileSystemCache.FileSink
-    ) {
+    ) : InProgressRequest {
 
         private val stream = Channels.newOutputStream(fileSink.channel).let {
             if (compressionEnabled) {
@@ -55,7 +61,7 @@ class FileSystemCacheHandler(
         }
     }
 
-    private var inProgressPutRequest: InProgressPutRequest? = null
+    private var inProgressRequest: InProgressRequest? = null
 
     override fun channelRead0(ctx: ChannelHandlerContext, msg: CacheMessage) {
         when (msg) {
@@ -68,9 +74,35 @@ class FileSystemCacheHandler(
     }
 
     private fun handleGetRequest(ctx: ChannelHandlerContext, msg: CacheGetRequest) {
+        inProgressRequest = InProgressGetRequest(msg)
+
+    }
+
+    private fun handlePutRequest(ctx: ChannelHandlerContext, msg: CachePutRequest) {
         val key = String(Base64.getUrlEncoder().encode(processCacheKey(msg.key, digestAlgorithm)))
+        val sink = cache.put(key, msg.metadata)
+        inProgressRequest = InProgressPutRequest(msg.key, sink)
+    }
+
+    private fun handleCacheContent(ctx: ChannelHandlerContext, msg: CacheContent) {
+        val request = inProgressRequest
+        if(request is InProgressPutRequest) {
+            request.write(msg.content())
+        }
+    }
+
+    private fun handleLastCacheContent(ctx: ChannelHandlerContext, msg: LastCacheContent) {
+        when(val request = inProgressRequest) {
+            is InProgressPutRequest -> {
+                inProgressRequest = null
+                request.write(msg.content())
+                request.commit()
+                sendMessageAndFlush(ctx, CachePutResponse(request.key))
+            }
+            is InProgressGetRequest -> {
+                val key = String(Base64.getUrlEncoder().encode(processCacheKey(request.request.key, digestAlgorithm)))
                 cache.get(key)?.also { entryValue ->
-            ctx.writeAndFlush(CacheValueFoundResponse(msg.key, entryValue.metadata))
+                    sendMessageAndFlush(ctx, CacheValueFoundResponse(request.request.key, entryValue.metadata))
                     entryValue.channel.let { channel ->
                         if(compressionEnabled) {
                             InflaterInputStream(Channels.newInputStream(channel)).use { stream ->
@@ -81,42 +113,25 @@ class FileSystemCacheHandler(
                                     while(buf.readableBytes() < chunkSize) {
                                         val read = buf.writeBytes(stream, chunkSize)
                                         if(read < 0) {
-                                    ctx.writeAndFlush(LastCacheContent(buf))
+                                            sendMessageAndFlush(ctx, LastCacheContent(buf))
                                             break@outerLoop
                                         }
                                     }
-                            ctx.writeAndFlush(CacheContent(buf))
+                                    sendMessageAndFlush(ctx, CacheContent(buf))
                                 }
                             }
                         } else {
-                    ctx.writeAndFlush(ChunkedNioFile(channel, entryValue.offset, entryValue.size - entryValue.offset, chunkSize))
-                    ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT)
+                            sendMessage(ctx, ChunkedNioFile(channel, entryValue.offset, entryValue.size - entryValue.offset, chunkSize))
+                            sendMessageAndFlush(ctx, LastHttpContent.EMPTY_LAST_CONTENT)
                         }
                     }
-        } ?: ctx.writeAndFlush(CacheValueNotFoundResponse())
+                } ?: sendMessageAndFlush(ctx, CacheValueNotFoundResponse())
             }
-
-    private fun handlePutRequest(ctx: ChannelHandlerContext, msg: CachePutRequest) {
-        val key = String(Base64.getUrlEncoder().encode(processCacheKey(msg.key, digestAlgorithm)))
-        val sink = cache.put(key, msg.metadata)
-        inProgressPutRequest = InProgressPutRequest(msg.key, sink)
-    }
-
-    private fun handleCacheContent(ctx: ChannelHandlerContext, msg: CacheContent) {
-        inProgressPutRequest!!.write(msg.content())
-    }
-
-    private fun handleLastCacheContent(ctx: ChannelHandlerContext, msg: LastCacheContent) {
-        inProgressPutRequest?.let { request ->
-            inProgressPutRequest = null
-            request.write(msg.content())
-            request.commit()
-            ctx.writeAndFlush(CachePutResponse(request.key))
         }
     }
 
     override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
-        inProgressPutRequest?.rollback()
+        (inProgressRequest as? InProgressPutRequest)?.rollback()
         super.exceptionCaught(ctx, cause)
     }
 }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/cache/FileSystemCacheProvider.kt

@@ -12,7 +12,7 @@ import java.util.zip.Deflater
 
 class FileSystemCacheProvider : CacheProvider<FileSystemCacheConfiguration> {
 
-    override fun getXmlSchemaLocation() = "classpath:net/woggioni/rbcs/server/schema/rbcs.xsd"
+    override fun getXmlSchemaLocation() = "classpath:net/woggioni/rbcs/server/schema/rbcs-server.xsd"
 
     override fun getXmlType() = "fileSystemCacheType"
 
@@ -31,9 +31,6 @@ class FileSystemCacheProvider : CacheProvider<FileSystemCacheConfiguration> {
             ?.let(String::toInt)
             ?: Deflater.DEFAULT_COMPRESSION
         val digestAlgorithm = el.renderAttribute("digest")
-        val chunkSize = el.renderAttribute("chunk-size")
-            ?.let(Integer::decode)
-            ?: 0x10000
 
         return FileSystemCacheConfiguration(
             path,
@@ -41,7 +38,6 @@ class FileSystemCacheProvider : CacheProvider<FileSystemCacheConfiguration> {
             digestAlgorithm,
             enableCompression,
             compressionLevel,
-            chunkSize
         )
     }
 
@@ -63,7 +59,6 @@ class FileSystemCacheProvider : CacheProvider<FileSystemCacheConfiguration> {
             }?.let {
                 attr("compression-level", it.toString())
             }
-            attr("chunk-size", chunkSize.toString())
         }
         result
     }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/cache/InMemoryCache.kt

@@ -6,11 +6,11 @@ import net.woggioni.rbcs.api.CacheValueMetadata
 import net.woggioni.rbcs.common.createLogger
 import java.time.Duration
 import java.time.Instant
+import java.util.PriorityQueue
 import java.util.concurrent.CompletableFuture
-import java.util.concurrent.ConcurrentHashMap
-import java.util.concurrent.PriorityBlockingQueue
 import java.util.concurrent.TimeUnit
-import java.util.concurrent.atomic.AtomicLong
+import java.util.concurrent.locks.ReentrantReadWriteLock
+import kotlin.concurrent.withLock
 
 private class CacheKey(private val value: ByteArray) {
     override fun equals(other: Any?) = if (other is CacheKey) {
@@ -34,15 +34,17 @@ class InMemoryCache(
         private val log = createLogger<InMemoryCache>()
     }
 
-    private val size = AtomicLong()
-    private val map = ConcurrentHashMap<CacheKey, CacheEntry>()
+    private var mapSize : Long = 0
+    private val map = HashMap<CacheKey, CacheEntry>()
+    private val lock = ReentrantReadWriteLock()
+    private val cond = lock.writeLock().newCondition()
 
     private class RemovalQueueElement(val key: CacheKey, val value: CacheEntry, val expiry: Instant) :
         Comparable<RemovalQueueElement> {
         override fun compareTo(other: RemovalQueueElement) = expiry.compareTo(other.expiry)
     }
 
-    private val removalQueue = PriorityBlockingQueue<RemovalQueueElement>()
+    private val removalQueue = PriorityQueue<RemovalQueueElement>()
 
     @Volatile
     private var running = true
@@ -51,8 +53,13 @@ class InMemoryCache(
         init {
             Thread.ofVirtual().name("in-memory-cache-gc").start {
                 try {
+                    lock.writeLock().withLock {
                         while (running) {
-                        val el = removalQueue.poll(1, TimeUnit.SECONDS) ?: continue
+                            val el = removalQueue.poll()
+                            if(el == null) {
+                                cond.await(1000, TimeUnit.MILLISECONDS)
+                                continue
+                            }
                             val value = el.value
                             val now = Instant.now()
                             if (now > el.expiry) {
@@ -63,10 +70,16 @@ class InMemoryCache(
                                     value.content.release()
                                 }
                             } else {
-                            removalQueue.put(el)
-                            Thread.sleep(minOf(Duration.between(now, el.expiry), Duration.ofSeconds(1)))
+                                removalQueue.offer(el)
+                                val interval = minOf(Duration.between(now, el.expiry), Duration.ofSeconds(1))
+                                cond.await(interval.toMillis(), TimeUnit.MILLISECONDS)
                             }
                         }
+                        map.forEach {
+                            it.value.content.release()
+                        }
+                        map.clear()
+                    }
                     complete(null)
                 } catch (ex: Throwable) {
                     completeExceptionally(ex)
@@ -77,7 +90,7 @@ class InMemoryCache(
 
     fun removeEldest(): Long {
         while (true) {
-            val el = removalQueue.take()
+            val el = removalQueue.poll() ?: return mapSize
             val value = el.value
             val removed = map.remove(el.key, value)
             if (removed) {
@@ -90,37 +103,41 @@ class InMemoryCache(
     }
 
     private fun updateSizeAfterRemoval(removed: ByteBuf): Long {
-        return size.updateAndGet { currentSize: Long ->
-            currentSize - removed.readableBytes()
-        }
+        mapSize -= removed.readableBytes()
+        return mapSize
     }
 
     override fun asyncClose() : CompletableFuture<Void> {
         running = false
+        lock.writeLock().withLock {
+            cond.signal()
+        }
         return closeFuture
     }
 
-    fun get(key: ByteArray) = map[CacheKey(key)]?.run {
+    fun get(key: ByteArray) = lock.readLock().withLock {
+        map[CacheKey(key)]?.run {
             CacheEntry(metadata, content.retainedDuplicate())
         }
+    }
 
     fun put(
         key: ByteArray,
         value: CacheEntry,
     ) {
         val cacheKey = CacheKey(key)
+        lock.writeLock().withLock {
             val oldSize = map.put(cacheKey, value)?.let { old ->
                 val result = old.content.readableBytes()
                 old.content.release()
                 result
             } ?: 0
             val delta = value.content.readableBytes() - oldSize
-        var newSize = size.updateAndGet { currentSize: Long ->
-            currentSize + delta
-        }
-        removalQueue.put(RemovalQueueElement(cacheKey, value, Instant.now().plus(maxAge)))
-        while (newSize > maxSize) {
-            newSize = removeEldest()
+            mapSize += delta
+            removalQueue.offer(RemovalQueueElement(cacheKey, value, Instant.now().plus(maxAge)))
+            while (mapSize > maxSize) {
+                removeEldest()
+            }
         }
     }
 }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/cache/InMemoryCacheConfiguration.kt

@@ -4,7 +4,6 @@ import io.netty.channel.ChannelFactory
 import io.netty.channel.EventLoopGroup
 import io.netty.channel.socket.DatagramChannel
 import io.netty.channel.socket.SocketChannel
-import io.netty.util.concurrent.Future
 import net.woggioni.rbcs.api.CacheHandlerFactory
 import net.woggioni.rbcs.api.Configuration
 import net.woggioni.rbcs.common.RBCS
@@ -16,7 +15,6 @@ data class InMemoryCacheConfiguration(
     val digestAlgorithm : String?,
     val compressionEnabled: Boolean,
     val compressionLevel: Int,
-    val chunkSize : Int
 ) : Configuration.Cache {
     override fun materialize() = object : CacheHandlerFactory {
         private val cache = InMemoryCache(maxAge, maxSize)
@@ -24,6 +22,7 @@ data class InMemoryCacheConfiguration(
         override fun asyncClose() = cache.asyncClose()
 
         override fun newHandler(
+            cfg : Configuration,
             eventLoop: EventLoopGroup,
             socketChannelFactory: ChannelFactory<SocketChannel>,
             datagramChannelFactory: ChannelFactory<DatagramChannel>

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/cache/InMemoryCacheHandler.kt

@@ -2,15 +2,9 @@ package net.woggioni.rbcs.server.cache
 
 import io.netty.buffer.ByteBuf
 import io.netty.channel.ChannelHandlerContext
-import io.netty.channel.SimpleChannelInboundHandler
+import net.woggioni.rbcs.api.CacheHandler
 import net.woggioni.rbcs.api.message.CacheMessage
-import net.woggioni.rbcs.api.message.CacheMessage.CacheContent
-import net.woggioni.rbcs.api.message.CacheMessage.CacheGetRequest
-import net.woggioni.rbcs.api.message.CacheMessage.CachePutRequest
-import net.woggioni.rbcs.api.message.CacheMessage.CachePutResponse
-import net.woggioni.rbcs.api.message.CacheMessage.CacheValueFoundResponse
-import net.woggioni.rbcs.api.message.CacheMessage.CacheValueNotFoundResponse
-import net.woggioni.rbcs.api.message.CacheMessage.LastCacheContent
+import net.woggioni.rbcs.api.message.CacheMessage.*
 import net.woggioni.rbcs.common.ByteBufOutputStream
 import net.woggioni.rbcs.common.RBCS.processCacheKey
 import java.util.zip.Deflater
@@ -22,9 +16,17 @@ class InMemoryCacheHandler(
     private val digestAlgorithm: String?,
     private val compressionEnabled: Boolean,
     private val compressionLevel: Int
-) : SimpleChannelInboundHandler<CacheMessage>() {
+) : CacheHandler() {
 
-    private interface InProgressPutRequest : AutoCloseable {
+    private interface InProgressRequest : AutoCloseable {
+    }
+
+    private class InProgressGetRequest(val request : CacheGetRequest) : InProgressRequest {
+        override fun close() {
+        }
+    }
+
+    private interface InProgressPutRequest : InProgressRequest {
         val request: CachePutRequest
         val buf: ByteBuf
 
@@ -33,19 +35,15 @@ class InMemoryCacheHandler(
 
     private inner class InProgressPlainPutRequest(ctx: ChannelHandlerContext, override val request: CachePutRequest) :
         InProgressPutRequest {
-        override val buf = ctx.alloc().compositeBuffer()
-
-        private val stream = ByteBufOutputStream(buf).let {
-            if (compressionEnabled) {
-                DeflaterOutputStream(it, Deflater(compressionLevel))
-            } else {
-                it
-            }
-        }
+        override val buf = ctx.alloc().compositeHeapBuffer()
 
         override fun append(buf: ByteBuf) {
+            if(buf.isDirect) {
+                this.buf.writeBytes(buf)
+            } else {
                 this.buf.addComponent(true, buf.retain())
             }
+        }
 
         override fun close() {
             buf.release()
@@ -72,7 +70,7 @@ class InMemoryCacheHandler(
         }
     }
 
-    private var inProgressPutRequest: InProgressPutRequest? = null
+    private var inProgressRequest: InProgressRequest? = null
 
     override fun channelRead0(ctx: ChannelHandlerContext, msg: CacheMessage) {
         when (msg) {
@@ -85,24 +83,11 @@ class InMemoryCacheHandler(
     }
 
     private fun handleGetRequest(ctx: ChannelHandlerContext, msg: CacheGetRequest) {
-        cache.get(processCacheKey(msg.key, digestAlgorithm))?.let { value ->
-            ctx.writeAndFlush(CacheValueFoundResponse(msg.key, value.metadata))
-            if (compressionEnabled) {
-                val buf = ctx.alloc().heapBuffer()
-                InflaterOutputStream(ByteBufOutputStream(buf)).use {
-                    value.content.readBytes(it, value.content.readableBytes())
-                    value.content.release()
-                    buf.retain()
-                }
-                ctx.writeAndFlush(LastCacheContent(buf))
-            } else {
-                ctx.writeAndFlush(LastCacheContent(value.content))
-            }
-        } ?: ctx.writeAndFlush(CacheValueNotFoundResponse())
+        inProgressRequest = InProgressGetRequest(msg)
     }
 
     private fun handlePutRequest(ctx: ChannelHandlerContext, msg: CachePutRequest) {
-        inProgressPutRequest = if(compressionEnabled) {
+        inProgressRequest = if(compressionEnabled) {
             InProgressCompressedPutRequest(ctx, msg)
         } else {
             InProgressPlainPutRequest(ctx, msg)
@@ -110,27 +95,46 @@ class InMemoryCacheHandler(
     }
 
     private fun handleCacheContent(ctx: ChannelHandlerContext, msg: CacheContent) {
-        inProgressPutRequest?.append(msg.content())
+        val req = inProgressRequest
+        if(req is InProgressPutRequest) {
+            req.append(msg.content())
+        }
     }
 
     private fun handleLastCacheContent(ctx: ChannelHandlerContext, msg: LastCacheContent) {
         handleCacheContent(ctx, msg)
-        inProgressPutRequest?.let { inProgressRequest ->
-            inProgressPutRequest = null
-            val buf = inProgressRequest.buf
+        when(val req = inProgressRequest) {
+            is InProgressGetRequest -> {
+                cache.get(processCacheKey(req.request.key, digestAlgorithm))?.let { value ->
+                    sendMessageAndFlush(ctx, CacheValueFoundResponse(req.request.key, value.metadata))
+                    if (compressionEnabled) {
+                        val buf = ctx.alloc().heapBuffer()
+                        InflaterOutputStream(ByteBufOutputStream(buf)).use {
+                            value.content.readBytes(it, value.content.readableBytes())
+                            value.content.release()
                             buf.retain()
-            inProgressRequest.close()
-            val cacheKey = processCacheKey(inProgressRequest.request.key, digestAlgorithm)
-            cache.put(cacheKey, CacheEntry(inProgressRequest.request.metadata, buf))
-            ctx.writeAndFlush(CachePutResponse(inProgressRequest.request.key))
+                        }
+                        sendMessage(ctx, LastCacheContent(buf))
+                    } else {
+                        sendMessage(ctx, LastCacheContent(value.content))
+                    }
+                } ?: sendMessage(ctx, CacheValueNotFoundResponse())
+            }
+            is InProgressPutRequest -> {
+                this.inProgressRequest = null
+                val buf = req.buf
+                buf.retain()
+                req.close()
+                val cacheKey = processCacheKey(req.request.key, digestAlgorithm)
+                cache.put(cacheKey, CacheEntry(req.request.metadata, buf))
+                sendMessageAndFlush(ctx, CachePutResponse(req.request.key))
+            }
         }
     }
 
     override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
-        inProgressPutRequest?.let { req ->
-            req.buf.release()
-            inProgressPutRequest = null
-        }
+        inProgressRequest?.close()
+        inProgressRequest = null
         super.exceptionCaught(ctx, cause)
     }
 }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/cache/InMemoryCacheProvider.kt

@@ -11,7 +11,7 @@ import java.util.zip.Deflater
 
 class InMemoryCacheProvider : CacheProvider<InMemoryCacheConfiguration> {
 
-    override fun getXmlSchemaLocation() = "classpath:net/woggioni/rbcs/server/schema/rbcs.xsd"
+    override fun getXmlSchemaLocation() = "classpath:net/woggioni/rbcs/server/schema/rbcs-server.xsd"
 
     override fun getXmlType() = "inMemoryCacheType"
 
@@ -31,16 +31,12 @@ class InMemoryCacheProvider : CacheProvider<InMemoryCacheConfiguration> {
             ?.let(String::toInt)
             ?: Deflater.DEFAULT_COMPRESSION
         val digestAlgorithm = el.renderAttribute("digest")
-        val chunkSize = el.renderAttribute("chunk-size")
-            ?.let(Integer::decode)
-            ?: 0x10000
         return InMemoryCacheConfiguration(
             maxAge,
             maxSize,
             digestAlgorithm,
             enableCompression,
             compressionLevel,
-            chunkSize
         )
     }
 
@@ -60,7 +56,6 @@ class InMemoryCacheProvider : CacheProvider<InMemoryCacheConfiguration> {
             }?.let {
                 attr("compression-level", it.toString())
             }
-            attr("chunk-size", chunkSize.toString())
         }
         result
     }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/configuration/Parser.kt

@@ -27,10 +27,11 @@ object Parser {
         val root = document.documentElement
         val anonymousUser = User("", null, emptySet(), null)
         var connection: Configuration.Connection = Configuration.Connection(
+            Duration.of(30, ChronoUnit.SECONDS),
             Duration.of(60, ChronoUnit.SECONDS),
-            Duration.of(30, ChronoUnit.SECONDS),
-            Duration.of(30, ChronoUnit.SECONDS),
-            67108864
+            Duration.of(60, ChronoUnit.SECONDS),
+            0x4000000,
+            0x10000
         )
         var eventExecutor: Configuration.EventExecutor = Configuration.EventExecutor(true)
         var cache: Cache? = null
@@ -119,11 +120,14 @@ object Parser {
                         ?.let(Duration::parse) ?: Duration.of(60, ChronoUnit.SECONDS)
                     val maxRequestSize = child.renderAttribute("max-request-size")
                         ?.let(Integer::decode) ?: 0x4000000
+                    val chunkSize = child.renderAttribute("chunk-size")
+                        ?.let(Integer::decode) ?: 0x10000
                     connection = Configuration.Connection(
                         idleTimeout,
                         readIdleTimeout,
                         writeIdleTimeout,
-                        maxRequestSize
+                        maxRequestSize,
+                        chunkSize
                     )
                 }
 
@@ -193,6 +197,7 @@ object Parser {
         when (it.localName) {
             "reader" -> Role.Reader
             "writer" -> Role.Writer
+            "healthcheck" -> Role.Healthcheck
             else -> throw UnsupportedOperationException("Illegal node '${it.localName}'")
         }
     }.toSet()

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/configuration/Serializer.kt

@@ -40,6 +40,7 @@ object Serializer {
                     attr("read-idle-timeout", connection.readIdleTimeout.toString())
                     attr("write-idle-timeout", connection.writeIdleTimeout.toString())
                     attr("max-request-size", connection.maxRequestSize.toString())
+                    attr("chunk-size", connection.chunkSize.toString())
                 }
             }
             node("event-executor") {

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/exception/ExceptionHandler.kt

@@ -27,6 +27,9 @@ import javax.net.ssl.SSLPeerUnverifiedException
 
 @Sharable
 object ExceptionHandler : ChannelDuplexHandler() {
+
+    val NAME : String = this::class.java.name
+
     private val log = contextLogger()
 
     private val NOT_AUTHORIZED: FullHttpResponse = DefaultFullHttpResponse(

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/handler/BlackHoleRequestHandler.kt

@@ -0,0 +1,13 @@
+package net.woggioni.rbcs.server.handler
+
+import io.netty.channel.ChannelHandlerContext
+import io.netty.channel.SimpleChannelInboundHandler
+import io.netty.handler.codec.http.HttpContent
+
+class BlackHoleRequestHandler : SimpleChannelInboundHandler<HttpContent>() {
+    companion object {
+        val NAME = BlackHoleRequestHandler::class.java.name
+    }
+    override fun channelRead0(ctx: ChannelHandlerContext, msg: HttpContent) {
+    }
+}

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/handler/CacheContentHandler.kt

@@ -1,28 +0,0 @@
-package net.woggioni.rbcs.server.handler
-
-import io.netty.channel.ChannelHandler.Sharable
-import io.netty.channel.ChannelHandlerContext
-import io.netty.channel.SimpleChannelInboundHandler
-import io.netty.handler.codec.http.HttpContent
-import io.netty.handler.codec.http.LastHttpContent
-import net.woggioni.rbcs.api.message.CacheMessage.CacheContent
-import net.woggioni.rbcs.api.message.CacheMessage.LastCacheContent
-
-@Sharable
-object CacheContentHandler : SimpleChannelInboundHandler<HttpContent>() {
-    val NAME = this::class.java.name
-
-    override fun channelRead0(ctx: ChannelHandlerContext, msg: HttpContent) {
-        when(msg) {
-            is LastHttpContent -> {
-                ctx.fireChannelRead(LastCacheContent(msg.content().retain()))
-                ctx.pipeline().remove(this)
-            }
-            else -> ctx.fireChannelRead(CacheContent(msg.content().retain()))
-        }
-    }
-
-    override fun exceptionCaught(ctx: ChannelHandlerContext?, cause: Throwable?) {
-        super.exceptionCaught(ctx, cause)
-    }
-}

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/handler/ServerHandler.kt

@@ -1,12 +1,14 @@
 package net.woggioni.rbcs.server.handler
 
 import io.netty.channel.ChannelDuplexHandler
+import io.netty.channel.ChannelHandler
 import io.netty.channel.ChannelHandlerContext
 import io.netty.channel.ChannelPromise
 import io.netty.handler.codec.http.DefaultFullHttpResponse
 import io.netty.handler.codec.http.DefaultHttpContent
 import io.netty.handler.codec.http.DefaultHttpResponse
 import io.netty.handler.codec.http.DefaultLastHttpContent
+import io.netty.handler.codec.http.HttpContent
 import io.netty.handler.codec.http.HttpHeaderNames
 import io.netty.handler.codec.http.HttpHeaderValues
 import io.netty.handler.codec.http.HttpHeaders
@@ -15,6 +17,7 @@ import io.netty.handler.codec.http.HttpRequest
 import io.netty.handler.codec.http.HttpResponseStatus
 import io.netty.handler.codec.http.HttpUtil
 import io.netty.handler.codec.http.HttpVersion
+import io.netty.handler.codec.http.LastHttpContent
 import net.woggioni.rbcs.api.CacheValueMetadata
 import net.woggioni.rbcs.api.message.CacheMessage
 import net.woggioni.rbcs.api.message.CacheMessage.CacheContent
@@ -27,19 +30,29 @@ import net.woggioni.rbcs.api.message.CacheMessage.LastCacheContent
 import net.woggioni.rbcs.common.createLogger
 import net.woggioni.rbcs.common.debug
 import net.woggioni.rbcs.common.warn
+import net.woggioni.rbcs.server.exception.ExceptionHandler
 import java.nio.file.Path
-import java.util.Locale
 
-class ServerHandler(private val serverPrefix: Path) :
+class ServerHandler(private val serverPrefix: Path, private val cacheHandlerSupplier : () -> ChannelHandler) :
     ChannelDuplexHandler() {
 
     companion object {
         private val log = createLogger<ServerHandler>()
-        val NAME = this::class.java.name
+        val NAME = ServerHandler::class.java.name
     }
 
     private var httpVersion = HttpVersion.HTTP_1_1
     private var keepAlive = true
+    private var pipelinedRequests = 0
+
+    private fun newRequest() {
+        pipelinedRequests += 1
+    }
+
+    private fun requestCompleted(ctx : ChannelHandlerContext) {
+        pipelinedRequests -= 1
+        if(pipelinedRequests == 0) ctx.read()
+    }
 
     private fun resetRequestMetadata() {
         httpVersion = HttpVersion.HTTP_1_1
@@ -59,14 +72,38 @@ class ServerHandler(private val serverPrefix: Path) :
         }
     }
 
+    private var cacheRequestInProgress : Boolean = false
+
+    override fun handlerAdded(ctx: ChannelHandlerContext) {
+        ctx.read()
+    }
 
     override fun channelRead(ctx: ChannelHandlerContext, msg: Any) {
         when (msg) {
             is HttpRequest -> handleRequest(ctx, msg)
+            is HttpContent -> {
+                if(cacheRequestInProgress) {
+                    if(msg is LastHttpContent) {
+                        super.channelRead(ctx, LastCacheContent(msg.content().retain()))
+                        cacheRequestInProgress = false
+                    } else {
+                        super.channelRead(ctx, CacheContent(msg.content().retain()))
+                    }
+                    msg.release()
+                } else {
+                    super.channelRead(ctx, msg)
+                }
+            }
             else -> super.channelRead(ctx, msg)
         }
     }
 
+    override fun channelReadComplete(ctx: ChannelHandlerContext) {
+        super.channelReadComplete(ctx)
+        if(cacheRequestInProgress) {
+            ctx.read()
+        }
+    }
 
     override fun write(ctx: ChannelHandlerContext, msg: Any, promise: ChannelPromise?) {
         if (msg is CacheMessage) {
@@ -84,14 +121,18 @@ class ServerHandler(private val serverPrefix: Path) :
                         val buf = ctx.alloc().buffer(keyBytes.size).apply {
                             writeBytes(keyBytes)
                         }
-                        ctx.writeAndFlush(DefaultLastHttpContent(buf))
+                        ctx.writeAndFlush(DefaultLastHttpContent(buf)).also {
+                            requestCompleted(ctx)
+                        }
                     }
 
                     is CacheValueNotFoundResponse -> {
                         val response = DefaultFullHttpResponse(httpVersion, HttpResponseStatus.NOT_FOUND)
                         response.headers()[HttpHeaderNames.CONTENT_LENGTH] = 0
                         setKeepAliveHeader(response.headers())
-                        ctx.writeAndFlush(response)
+                        ctx.writeAndFlush(response).also {
+                            requestCompleted(ctx)
+                        }
                     }
 
                     is CacheValueFoundResponse -> {
@@ -108,7 +149,9 @@ class ServerHandler(private val serverPrefix: Path) :
                     }
 
                     is LastCacheContent -> {
-                        ctx.writeAndFlush(DefaultLastHttpContent(msg.content()))
+                        ctx.writeAndFlush(DefaultLastHttpContent(msg.content())).also {
+                            requestCompleted(ctx)
+                        }
                     }
 
                     is CacheContent -> {
@@ -127,6 +170,9 @@ class ServerHandler(private val serverPrefix: Path) :
             } finally {
                 resetRequestMetadata()
             }
+        } else if(msg is LastHttpContent) {
+            ctx.write(msg, promise)
+            requestCompleted(ctx)
         } else super.write(ctx, msg, promise)
     }
 
@@ -137,9 +183,12 @@ class ServerHandler(private val serverPrefix: Path) :
         if (method === HttpMethod.GET) {
             val path = Path.of(msg.uri()).normalize()
             if (path.startsWith(serverPrefix)) {
+                cacheRequestInProgress = true
                 val relativePath = serverPrefix.relativize(path)
-                val key = relativePath.toString()
-                ctx.pipeline().addAfter(NAME, CacheContentHandler.NAME, CacheContentHandler)
+                val key : String = relativePath.toString()
+                newRequest()
+                val cacheHandler = cacheHandlerSupplier()
+                ctx.pipeline().addBefore(ExceptionHandler.NAME, null, cacheHandler)
                 key.let(::CacheGetRequest)
                     .let(ctx::fireChannelRead)
                     ?: ctx.channel().write(CacheValueNotFoundResponse())
@@ -154,12 +203,16 @@ class ServerHandler(private val serverPrefix: Path) :
         } else if (method === HttpMethod.PUT) {
             val path = Path.of(msg.uri()).normalize()
             if (path.startsWith(serverPrefix)) {
+                cacheRequestInProgress = true
                 val relativePath = serverPrefix.relativize(path)
                 val key = relativePath.toString()
                 log.debug(ctx) {
                     "Added value for key '$key' to build cache"
                 }
-                ctx.pipeline().addAfter(NAME, CacheContentHandler.NAME, CacheContentHandler)
+                newRequest()
+                val cacheHandler = cacheHandlerSupplier()
+                ctx.pipeline().addBefore(ExceptionHandler.NAME, null, cacheHandler)
+
                 path.fileName?.toString()
                     ?.let {
                         val mimeType = HttpUtil.getMimeType(msg)?.toString()
@@ -176,6 +229,8 @@ class ServerHandler(private val serverPrefix: Path) :
                 ctx.writeAndFlush(response)
             }
         } else if (method == HttpMethod.TRACE) {
+            newRequest()
+            ctx.pipeline().addBefore(ExceptionHandler.NAME, null, TraceHandler)
             super.channelRead(ctx, msg)
         } else {
             log.warn(ctx) {
@@ -187,42 +242,6 @@ class ServerHandler(private val serverPrefix: Path) :
         }
     }
 
-
-    data class ContentDisposition(val type: Type?, val fileName: String?) {
-        enum class Type {
-            attachment, `inline`;
-
-            companion object {
-                @JvmStatic
-                fun parse(maybeString: String?) = maybeString.let { s ->
-                    try {
-                        java.lang.Enum.valueOf(Type::class.java, s)
-                    } catch (ex: IllegalArgumentException) {
-                        null
-                    }
-                }
-            }
-        }
-
-        companion object {
-            @JvmStatic
-            fun parse(contentDisposition: String) : ContentDisposition {
-                val parts = contentDisposition.split(";").dropLastWhile { it.isEmpty() }.toTypedArray()
-                val dispositionType = parts[0].trim { it <= ' ' }.let(Type::parse)  // Get the type (e.g., attachment)
-
-                var filename: String? = null
-                for (i in 1..<parts.size) {
-                    val part = parts[i].trim { it <= ' ' }
-                    if (part.lowercase(Locale.getDefault()).startsWith("filename=")) {
-                        filename = part.substring("filename=".length).trim { it <= ' ' }.replace("\"", "")
-                        break
-                    }
-                }
-                return ContentDisposition(dispositionType, filename)
-            }
-        }
-    }
-
     override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
         super.exceptionCaught(ctx, cause)
     }

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/handler/TraceHandler.kt

@@ -42,6 +42,7 @@ object TraceHandler : ChannelInboundHandlerAdapter() {
             }
             is LastHttpContent -> {
                 ctx.writeAndFlush(msg)
+                ctx.pipeline().remove(this)
             }
             is HttpContent -> ctx.writeAndFlush(msg)
             else -> super.channelRead(ctx, msg)

rbcs-server/src/main/kotlin/net/woggioni/rbcs/server/throttling/ThrottlingHandler.kt

@@ -94,6 +94,9 @@ class ThrottlingHandler(private val bucketManager : BucketManager,
                     handleBuckets(buckets, ctx, msg, false)
                 }, waitDuration.toMillis(), TimeUnit.MILLISECONDS)
             } else {
+                queuedContent?.let { qc ->
+                    qc.forEach { it.release() }
+                }
                 this.queuedContent = null
                 sendThrottledResponse(ctx, waitDuration)
             }

rbcs-server/src/main/resources/net/woggioni/rbcs/server/rbcs-default.xml

@@ -2,7 +2,7 @@
 <rbcs:server
              xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="8080" incoming-connections-backlog-size="1024"/>
     <cache xs:type="rbcs:fileSystemCacheType" path="${sys:java.io.tmpdir}/rbcs" max-age="P7D"/>
 </rbcs:server>

rbcs-server/src/main/resources/net/woggioni/rbcs/server/schema/rbcs-server.xsd

@@ -115,6 +115,14 @@
                 </xs:documentation>
             </xs:annotation>
         </xs:attribute>
+        <xs:attribute name="chunk-size" type="rbcs:byteSizeType" default="0x10000">
+            <xs:annotation>
+                <xs:documentation>
+                    Maximum byte size of socket write calls
+                    (reduce it to reduce memory consumption, increase it for increased throughput)
+                </xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
     </xs:complexType>
 
     <xs:complexType name="eventExecutorType">
@@ -175,13 +183,6 @@
                         </xs:documentation>
                     </xs:annotation>
                 </xs:attribute>
-                <xs:attribute name="chunk-size" type="rbcs:byteSizeType" default="0x10000">
-                    <xs:annotation>
-                        <xs:documentation>
-                            Maximum byte size of socket write calls
-                        </xs:documentation>
-                    </xs:annotation>
-                </xs:attribute>
             </xs:extension>
         </xs:complexContent>
     </xs:complexType>
@@ -231,14 +232,6 @@
                         </xs:documentation>
                     </xs:annotation>
                 </xs:attribute>
-                <xs:attribute name="chunk-size" type="rbcs:byteSizeType" default="0x10000">
-                    <xs:annotation>
-                        <xs:documentation>
-                            Maximum byte size of a cache value that will be stored in memory
-                            (reduce it to reduce memory consumption, increase it for increased throughput)
-                        </xs:documentation>
-                    </xs:annotation>
-                </xs:attribute>
             </xs:extension>
         </xs:complexContent>
     </xs:complexType>
@@ -424,7 +417,8 @@
         <xs:attribute name="password" type="xs:string" use="optional">
             <xs:annotation>
                 <xs:documentation>
-                    User's password used in HTTP basic authentication
+                    User's password hash used for HTTP basic authentication, this has to be generated with
+                    the `password` subcommand of `rbcs-cli`
                 </xs:documentation>
             </xs:annotation>
         </xs:attribute>
@@ -498,18 +492,12 @@
         </xs:attribute>
     </xs:complexType>
 
-    <xs:simpleType name="role" final="restriction" >
-        <xs:restriction base="xs:token">
-            <xs:enumeration value="READER" />
-            <xs:enumeration value="WRITER" />
-        </xs:restriction>
-    </xs:simpleType>
-
     <xs:complexType name="rolesType">
         <xs:sequence>
             <xs:choice maxOccurs="unbounded">
                 <xs:element name="writer"/>
                 <xs:element name="reader"/>
+                <xs:element name="healthcheck"/>
             </xs:choice>
         </xs:sequence>
     </xs:complexType>

rbcs-server/src/test/java/net/woggioni/rbcs/server/test/utils/CertificateUtils.java

@@ -1,5 +1,14 @@
 package net.woggioni.rbcs.server.test.utils;
 
+import java.math.BigInteger;
+import java.security.KeyPair;
+import java.security.KeyPairGenerator;
+import java.security.PrivateKey;
+import java.security.SecureRandom;
+import java.security.cert.X509Certificate;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.Date;
 import org.bouncycastle.asn1.DERSequence;
 import org.bouncycastle.asn1.x500.X500Name;
 import org.bouncycastle.asn1.x509.BasicConstraints;
@@ -15,16 +24,6 @@ import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
 import org.bouncycastle.operator.ContentSigner;
 import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder;
 
-import java.math.BigInteger;
-import java.security.KeyPair;
-import java.security.KeyPairGenerator;
-import java.security.PrivateKey;
-import java.security.SecureRandom;
-import java.security.cert.X509Certificate;
-import java.time.Instant;
-import java.time.temporal.ChronoUnit;
-import java.util.Date;
-
 public class CertificateUtils {
 
     public record X509Credentials(

rbcs-server/src/test/java/net/woggioni/rbcs/server/test/utils/NetworkUtils.java

@@ -1,30 +0,0 @@
-package net.woggioni.rbcs.server.test.utils;
-
-import net.woggioni.jwo.JWO;
-
-import java.io.IOException;
-import java.net.InetAddress;
-import java.net.ServerSocket;
-
-public class NetworkUtils {
-
-    private static final int MAX_ATTEMPTS = 50;
-
-    public static int getFreePort() {
-        int count = 0;
-        while(count < MAX_ATTEMPTS) {
-            try (ServerSocket serverSocket = new ServerSocket(0, 50, InetAddress.getLocalHost())) {
-                final var candidate = serverSocket.getLocalPort();
-                if (candidate > 0) {
-                    return candidate;
-                } else {
-                    JWO.newThrowable(RuntimeException.class, "Got invalid port number: %d", candidate);
-                    throw new RuntimeException("Error trying to find an open port");
-                }
-            } catch (IOException ignored) {
-                ++count;
-            }
-        }
-        throw new RuntimeException("Error trying to find an open port");
-    }
-}

rbcs-server/src/test/kotlin/net/woggioni/rbcs/server/test/AbstractBasicAuthServerTest.kt

@@ -2,10 +2,10 @@ package net.woggioni.rbcs.server.test
 
 import net.woggioni.rbcs.api.Configuration
 import net.woggioni.rbcs.api.Role
+import net.woggioni.rbcs.common.RBCS.getFreePort
 import net.woggioni.rbcs.common.Xml
 import net.woggioni.rbcs.server.cache.FileSystemCacheConfiguration
 import net.woggioni.rbcs.server.configuration.Serializer
-import net.woggioni.rbcs.server.test.utils.NetworkUtils
 import java.net.URI
 import java.net.http.HttpRequest
 import java.nio.charset.StandardCharsets
@@ -33,7 +33,7 @@ abstract class AbstractBasicAuthServerTest : AbstractServerTest() {
         this.cacheDir = testDir.resolve("cache")
         cfg = Configuration.of(
             "127.0.0.1",
-            NetworkUtils.getFreePort(),
+            getFreePort(),
             50,
             serverPath,
             Configuration.EventExecutor(false),
@@ -41,7 +41,8 @@ abstract class AbstractBasicAuthServerTest : AbstractServerTest() {
                 Duration.of(60, ChronoUnit.SECONDS),
                 Duration.of(30, ChronoUnit.SECONDS),
                 Duration.of(30, ChronoUnit.SECONDS),
-                0x1000
+                0x1000,
+                0x10000
             ),
             users.asSequence().map { it.name to it}.toMap(),
             sequenceOf(writersGroup, readersGroup).map { it.name to it}.toMap(),
@@ -50,8 +51,7 @@ abstract class AbstractBasicAuthServerTest : AbstractServerTest() {
                 maxAge = Duration.ofSeconds(3600 * 24),
                 digestAlgorithm = "MD5",
                 compressionLevel = Deflater.DEFAULT_COMPRESSION,
-                compressionEnabled = false,
-                chunkSize = 0x1000
+                compressionEnabled = false
             ),
             Configuration.BasicAuthentication(),
             null,

rbcs-server/src/test/kotlin/net/woggioni/rbcs/server/test/AbstractTlsServerTest.kt

@@ -2,12 +2,12 @@ package net.woggioni.rbcs.server.test
 
 import net.woggioni.rbcs.api.Configuration
 import net.woggioni.rbcs.api.Role
+import net.woggioni.rbcs.common.RBCS.getFreePort
 import net.woggioni.rbcs.common.Xml
 import net.woggioni.rbcs.server.cache.FileSystemCacheConfiguration
 import net.woggioni.rbcs.server.configuration.Serializer
 import net.woggioni.rbcs.server.test.utils.CertificateUtils
 import net.woggioni.rbcs.server.test.utils.CertificateUtils.X509Credentials
-import net.woggioni.rbcs.server.test.utils.NetworkUtils
 import org.bouncycastle.asn1.x500.X500Name
 import java.net.URI
 import java.net.http.HttpClient
@@ -47,6 +47,7 @@ abstract class AbstractTlsServerTest : AbstractServerTest() {
 
     protected val readersGroup = Configuration.Group("readers", setOf(Role.Reader), null, null)
     protected val writersGroup = Configuration.Group("writers", setOf(Role.Writer), null, null)
+    protected val healthCheckGroup = Configuration.Group("healthcheckers", setOf(Role.Healthcheck), null, null)
     protected val random = Random(101325)
     protected val keyValuePair = newEntry(random)
     private val serverPath : String? = null
@@ -138,7 +139,7 @@ abstract class AbstractTlsServerTest : AbstractServerTest() {
         createKeyStoreAndTrustStore()
         cfg = Configuration(
             "127.0.0.1",
-            NetworkUtils.getFreePort(),
+            getFreePort(),
             100,
             serverPath,
             Configuration.EventExecutor(false),
@@ -146,7 +147,8 @@ abstract class AbstractTlsServerTest : AbstractServerTest() {
                 Duration.of(60, ChronoUnit.SECONDS),
                 Duration.of(30, ChronoUnit.SECONDS),
                 Duration.of(30, ChronoUnit.SECONDS),
-                0x1000
+                0x1000,
+                0x10000
             ),
             users.asSequence().map { it.name to it }.toMap(),
             sequenceOf(writersGroup, readersGroup).map { it.name to it }.toMap(),
@@ -155,7 +157,6 @@ abstract class AbstractTlsServerTest : AbstractServerTest() {
                 compressionEnabled = false,
                 compressionLevel = Deflater.DEFAULT_COMPRESSION,
                 digestAlgorithm = "MD5",
-                chunkSize = 0x1000
             ),
 //            InMemoryCacheConfiguration(
 //                maxAge = Duration.ofSeconds(3600 * 24),

rbcs-server/src/test/kotlin/net/woggioni/rbcs/server/test/BasicAuthServerTest.kt

@@ -154,7 +154,7 @@ class BasicAuthServerTest : AbstractBasicAuthServerTest() {
     }
 
     @Test
-    @Order(6)
+    @Order(8)
     fun getAsAThrottledUser() {
         val client: HttpClient = HttpClient.newHttpClient()
 
@@ -172,7 +172,7 @@ class BasicAuthServerTest : AbstractBasicAuthServerTest() {
     }
 
     @Test
-    @Order(7)
+    @Order(9)
     fun getAsAThrottledUser2() {
         val client: HttpClient = HttpClient.newHttpClient()
 

rbcs-server/src/test/kotlin/net/woggioni/rbcs/server/test/NoAuthServerTest.kt

@@ -2,10 +2,10 @@ package net.woggioni.rbcs.server.test
 
 import io.netty.handler.codec.http.HttpResponseStatus
 import net.woggioni.rbcs.api.Configuration
+import net.woggioni.rbcs.common.RBCS.getFreePort
 import net.woggioni.rbcs.common.Xml
 import net.woggioni.rbcs.server.cache.InMemoryCacheConfiguration
 import net.woggioni.rbcs.server.configuration.Serializer
-import net.woggioni.rbcs.server.test.utils.NetworkUtils
 import org.junit.jupiter.api.Assertions
 import org.junit.jupiter.api.Order
 import org.junit.jupiter.api.Test
@@ -33,7 +33,7 @@ class NoAuthServerTest : AbstractServerTest() {
         this.cacheDir = testDir.resolve("cache")
         cfg = Configuration(
             "127.0.0.1",
-            NetworkUtils.getFreePort(),
+            getFreePort(),
             100,
             serverPath,
             Configuration.EventExecutor(false),
@@ -41,7 +41,8 @@ class NoAuthServerTest : AbstractServerTest() {
                 Duration.of(60, ChronoUnit.SECONDS),
                 Duration.of(30, ChronoUnit.SECONDS),
                 Duration.of(30, ChronoUnit.SECONDS),
-                0x1000
+                0x1000,
+                0x10000
             ),
             emptyMap(),
             emptyMap(),
@@ -51,7 +52,6 @@ class NoAuthServerTest : AbstractServerTest() {
                 digestAlgorithm = "MD5",
                 compressionLevel = Deflater.DEFAULT_COMPRESSION,
                 maxSize = 0x1000000,
-                chunkSize = 0x1000
             ),
             null,
             null,

rbcs-server/src/test/kotlin/net/woggioni/rbcs/server/test/TlsServerTest.kt

@@ -18,6 +18,7 @@ class TlsServerTest : AbstractTlsServerTest() {
         Configuration.User("user1", null, setOf(readersGroup), null),
         Configuration.User("user2", null, setOf(writersGroup), null),
         Configuration.User("user3", null, setOf(readersGroup, writersGroup), null),
+        Configuration.User("user4", null, setOf(healthCheckGroup), null),
         Configuration.User("", null, setOf(readersGroup), null)
     )
 
@@ -140,7 +141,24 @@ class TlsServerTest : AbstractTlsServerTest() {
         val client: HttpClient = getHttpClient(null)
         val requestBuilder = newRequestBuilder("").method(
             "TRACE",
-            HttpRequest.BodyPublishers.ofByteArray("sfgsdgfaiousfiuhsd".toByteArray())
+            HttpRequest.BodyPublishers.ofByteArray("this is an healthcheck".toByteArray())
+        )
+
+        val response: HttpResponse<ByteArray> =
+            client.send(requestBuilder.build(), HttpResponse.BodyHandlers.ofByteArray())
+        Assertions.assertEquals(HttpResponseStatus.FORBIDDEN.code(), response.statusCode())
+    }
+
+    @Test
+    @Order(9)
+    fun traceAsHealthcheckUser() {
+        val user = cfg.users.values.find {
+            Role.Healthcheck in it.roles
+        } ?: throw RuntimeException("Reader user not found")
+        val client: HttpClient = getHttpClient(getClientKeyStore(ca, X500Name("CN=${user.name}")))
+        val requestBuilder = newRequestBuilder("").method(
+            "TRACE",
+            HttpRequest.BodyPublishers.ofByteArray("this is an healthcheck".toByteArray())
         )
 
         val response: HttpResponse<ByteArray> =
@@ -148,4 +166,17 @@ class TlsServerTest : AbstractTlsServerTest() {
         Assertions.assertEquals(HttpResponseStatus.OK.code(), response.statusCode())
         println(String(response.body()))
     }
+
+    @Test
+    @Order(10)
+    fun putAsUnknownUserUser() {
+        val (key, value) = keyValuePair
+        val client: HttpClient = getHttpClient(getClientKeyStore(ca, X500Name("CN=Unknown user")))
+        val requestBuilder = newRequestBuilder(key)
+            .header("Content-Type", "application/octet-stream")
+            .PUT(HttpRequest.BodyPublishers.ofByteArray(value))
+
+        val response: HttpResponse<String> = client.send(requestBuilder.build(), HttpResponse.BodyHandlers.ofString())
+        Assertions.assertEquals(HttpResponseStatus.INTERNAL_SERVER_ERROR.code(), response.statusCode())
+    }
 }

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/invalid/duplicate-anonymous-user.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="11443"/>
     <cache xs:type="rbcs:fileSystemCacheType" path="/tmp/rbcs" max-age="P7D"/>
     <authorization>

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/invalid/duplicate-anonymous-user2.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="11443"/>
     <cache xs:type="rbcs:fileSystemCacheType" path="/tmp/rbcs" max-age="P7D"/>
     <authorization>

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/invalid/invalid-user-ref.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="11443"/>
     <cache xs:type="rbcs:fileSystemCacheType" path="/tmp/rbcs" max-age="P7D"/>
     <authorization>

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/invalid/multiple-user-quota.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="11443"/>
     <cache xs:type="rbcs:fileSystemCacheType" path="/tmp/rbcs" max-age="P7D"/>
     <authorization>

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/valid/rbcs-default.xml

@@ -1,15 +1,16 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="11443" incoming-connections-backlog-size="22"/>
     <connection
             read-idle-timeout="PT10M"
             write-idle-timeout="PT11M"
             idle-timeout="PT30M"
-            max-request-size="101325"/>
+            max-request-size="101325"
+            chunk-size="0xa910"/>
     <event-executor use-virtual-threads="false"/>
-    <cache xs:type="rbcs:fileSystemCacheType" path="/tmp/rbcs" max-age="P7D" chunk-size="0xa910"/>
+    <cache xs:type="rbcs:fileSystemCacheType" path="/tmp/rbcs" max-age="P7D"/>
     <authentication>
         <none/>
     </authentication>

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/valid/rbcs-memcached-tls.xml

@@ -2,16 +2,17 @@
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
              xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd"
+             xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd"
 >
     <bind host="0.0.0.0" port="8443" incoming-connections-backlog-size="4096"/>
     <connection
             max-request-size="67108864"
             idle-timeout="PT30S"
             read-idle-timeout="PT60S"
-            write-idle-timeout="PT60S"/>
+            write-idle-timeout="PT60S"
+            chunk-size="123"/>
     <event-executor use-virtual-threads="true"/>
-    <cache xs:type="rbcs-memcache:memcacheCacheType" max-age="P7D" chunk-size="123">
+    <cache xs:type="rbcs-memcache:memcacheCacheType" max-age="P7D">
         <server host="memcached" port="11211"/>
     </cache>
     <authorization>

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/valid/rbcs-memcached.xml

@@ -2,15 +2,16 @@
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
              xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server.memcache jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="11443" incoming-connections-backlog-size="50"/>
     <connection
             read-idle-timeout="PT10M"
             write-idle-timeout="PT11M"
             idle-timeout="PT30M"
-            max-request-size="101325"/>
+            max-request-size="101325"
+            chunk-size="456"/>
     <event-executor use-virtual-threads="false"/>
-    <cache xs:type="rbcs-memcache:memcacheCacheType" max-age="P7D" digest="SHA-256" chunk-size="456" compression-mode="deflate" compression-level="7">
+    <cache xs:type="rbcs-memcache:memcacheCacheType" max-age="P7D" digest="SHA-256" compression-mode="deflate" compression-level="7">
         <server host="127.0.0.1" port="11211" max-connections="10" connection-timeout="PT20S"/>
     </cache>
     <authentication>

rbcs-server/src/test/resources/net/woggioni/rbcs/server/test/valid/rbcs-tls.xml

@@ -1,15 +1,16 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <rbcs:server xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:rbcs="urn:net.woggioni.rbcs.server"
-             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs.xsd">
+             xs:schemaLocation="urn:net.woggioni.rbcs.server jpms://net.woggioni.rbcs.server/net/woggioni/rbcs/server/schema/rbcs-server.xsd">
     <bind host="127.0.0.1" port="11443" incoming-connections-backlog-size="180"/>
     <connection
             read-idle-timeout="PT10M"
             write-idle-timeout="PT11M"
             idle-timeout="PT30M"
-            max-request-size="4096"/>
+            max-request-size="4096"
+            chunk-size="0xa91f"/>
     <event-executor use-virtual-threads="false"/>
-    <cache xs:type="rbcs:inMemoryCacheType" max-age="P7D" chunk-size="0xa91f"/>
+    <cache xs:type="rbcs:inMemoryCacheType" max-age="P7D"/>
     <authorization>
         <users>
             <user name="user1" password="password1">

rbcs-servlet/README.md

@@ -1,3 +1,10 @@
+# RBCS servlet
+
+This is a minimal implementation of RBCs using Jakarta servlet API, it relies
+on the servlet container (Tomcat in this example) for authentication, authorization,
+throttling, encryption and compression. It only supports in-memory caching.
+The main purpose is to provide a performance comparison for RBCS Netty implementation.
+
 ## How to run
 
 ```bash

rbcs-servlet/conf/server.xml

@@ -53,7 +53,9 @@
 <!--        <Connector port="8080" protocol="HTTP/1.1" executor="tomcatThreadPool"-->
 <!--                   connectionTimeout="20000"-->
 <!--                   redirectPort="8443" />-->
-        <Connector port="8080" protocol="HTTP/1.1"
+        <Connector port="8080" protocol="org.apache.coyote.http11.Http11NioProtocol"
+                   maxKeepAliveRequests="1000000"
+                   keepAliveTimeout="-1"
                    connectionTimeout="20000"
                    redirectPort="8443" />
         <!-- A "Connector" using the shared thread pool-->