first commit with streaming support (buggy and unreliable)

added Jacoco test report

.gitea/workflows/build.yaml

@@ -9,11 +9,6 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
-      - name: Setup Java
-        uses: actions/setup-java@v4
-        with:
-          distribution: graalvm
-          java-version: 21
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
       - name: Execute Gradle build
@@ -36,7 +31,7 @@ jobs:
           username: woggioni
           password: ${{ secrets.PUBLISHER_TOKEN }}
       -
-        name: Build gbcs Docker image
+        name: Build rbcs Docker image
         uses: docker/build-push-action@v5.3.0
         with:
           context: "docker/build/docker"
@@ -44,12 +39,12 @@ jobs:
           push: true
           pull: true
           tags: |
-            gitea.woggioni.net/woggioni/gbcs:latest
-            gitea.woggioni.net/woggioni/gbcs:${{ steps.retrieve-version.outputs.VERSION }}
+            gitea.woggioni.net/woggioni/rbcs:latest
+            gitea.woggioni.net/woggioni/rbcs:${{ steps.retrieve-version.outputs.VERSION }}
           target: release
-          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/gbcs:buildx
+          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/rbcs:buildx
       -
-        name: Build gbcs memcached Docker image
+        name: Build rbcs memcache Docker image
         uses: docker/build-push-action@v5.3.0
         with:
           context: "docker/build/docker"
@@ -57,11 +52,11 @@ jobs:
           push: true
           pull: true
           tags: |
-            gitea.woggioni.net/woggioni/gbcs:memcached
-            gitea.woggioni.net/woggioni/gbcs:memcached-${{ steps.retrieve-version.outputs.VERSION }}
-          target: release-memcached
-          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/gbcs:buildx
-          cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/gbcs:buildx
+            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: Publish artifacts
         env:
           PUBLISHER_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}

.gitignore

@@ -4,4 +4,4 @@
 # Ignore Gradle build output directory
 build
 
-gbcs-cli/native-image/*.json
+rbcs-cli/native-image/*.json

Dockerfile

@@ -1,2 +0,0 @@
-FROM gitea.woggioni.net/woggioni/gbcs:memcached
-COPY --chown=luser:luser conf/gbcs-memcached.xml /home/luser/.config/gbcs/gbcs.xml

build.gradle

@@ -15,7 +15,7 @@ allprojects { subproject ->
             version = project.currentTag.map { it[0] }.get()
         } else {
             version = project.gitRevision.map { gitRevision ->
-                "${getProperty('gbcs.version')}.${gitRevision[0..10]}"
+                "${getProperty('rbcs.version')}.${gitRevision[0..10]}"
             }.get()
         }
 
@@ -46,6 +46,12 @@ allprojects { subproject ->
             }
         }
 
+        dependencies {
+            testImplementation catalog.junit.jupiter.api
+            testImplementation catalog.junit.jupiter.params
+            testRuntimeOnly catalog.junit.jupiter.engine
+        }
+
         test {
             useJUnitPlatform()
         }
@@ -66,6 +72,15 @@ allprojects { subproject ->
         }
     }
 
+    pluginManager.withPlugin('jacoco') {
+        test {
+            finalizedBy jacocoTestReport
+        }
+        jacocoTestReport {
+            dependsOn test
+        }
+    }
+
     pluginManager.withPlugin(catalog.plugins.kotlin.jvm.get().pluginId) {
         tasks.withType(KotlinCompile.class) {
             compilerOptions.jvmTarget = JvmTarget.JVM_21

conf/gbcs-memcached.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<gbcs:server useVirtualThreads="true" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
-             xmlns:gbcs="urn:net.woggioni.gbcs"
-             xmlns:gbcs-memcached="urn:net.woggioni.gbcs-memcached"
-             xs:schemaLocation="urn:net.woggioni.gbcs-memcached jpms://net.woggioni.gbcs.memcached/net/woggioni/gbcs/memcached/schema/gbcs-memcached.xsd urn:net.woggioni.gbcs jpms://net.woggioni.gbcs/net/woggioni/gbcs/schema/gbcs.xsd">
-    <bind host="0.0.0.0" port="13080" />
-    <cache xs:type="gbcs-memcached:memcachedCacheType" max-age="P7D" max-size="16777216" compression-mode="zip">
-        <server host="memcached" port="11211"/>
-    </cache>
-    <authentication>
-        <none/>
-    </authentication>
-</gbcs:server>

docker-compose.yml

@@ -1,36 +0,0 @@
-networks:
-  default:
-    external: false
-    ipam:
-      driver: default
-      config:
-        - subnet: 172.118.0.0/16
-          ip_range: 172.118.0.0/16
-          gateway: 172.118.0.254
-services:
-  gbcs:
-    build:
-      context: .
-    container_name: gbcs
-    restart: unless-stopped
-    ports:
-      - "127.0.0.1:8080:13080"
-      - "[::1]:8080:13080"
-    depends_on:
-      memcached:
-        condition: service_started
-    deploy:
-      resources:
-        limits:
-          cpus: "2.00"
-          memory: 256M
-  memcached:
-    image: memcached
-    container_name: memcached
-    restart: unless-stopped
-    command: -I 64m -m 900m
-    deploy:
-      resources:
-        limits:
-          cpus: "1.00"
-          memory: 1G

docker/Dockerfile

@@ -1,21 +1,16 @@
-FROM alpine:latest AS base-release
-RUN --mount=type=cache,target=/var/cache/apk apk update
-RUN --mount=type=cache,target=/var/cache/apk apk add openjdk21-jre
+FROM eclipse-temurin:21-jre-alpine AS base-release
 RUN adduser -D luser
 USER luser
 WORKDIR /home/luser
 
 FROM base-release AS release
-ADD gbcs-cli-envelope-*.jar gbcs.jar
-ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar", "server"]
+ADD rbcs-cli-envelope-*.jar rbcs.jar
+ENTRYPOINT ["java", "-XX:+UseZGC", "-XX:+ZGenerational", "-jar", "/home/luser/rbcs.jar", "server"]
 
-FROM base-release AS release-memcached
-ADD --chown=luser:luser gbcs-cli-envelope-*.jar gbcs.jar
+FROM base-release AS release-memcache
+ADD --chown=luser:luser rbcs-cli-envelope-*.jar rbcs.jar
 RUN mkdir plugins
 WORKDIR /home/luser/plugins
-RUN --mount=type=bind,source=.,target=/build/distributions tar -xf /build/distributions/gbcs-server-memcached*.tar
+RUN --mount=type=bind,source=.,target=/build/distributions tar -xf /build/distributions/rbcs-server-memcache*.tar
 WORKDIR /home/luser
-ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar", "server"]
-
-FROM release-memcached as compose
-COPY --chown=luser:luser conf/gbcs-memcached.xml /home/luser/.config/gbcs/gbcs.xml
+ENTRYPOINT ["java", "-XX:+UseZGC", "-XX:+ZGenerational", "-jar", "/home/luser/rbcs.jar", "server"]

docker/build.gradle

@@ -18,8 +18,8 @@ configurations {
 }
 
 dependencies {
-    docker project(path: ':gbcs-cli', configuration: 'release')
-    docker project(path: ':gbcs-server-memcached', configuration: 'release')
+    docker project(path: ':rbcs-cli', configuration: 'release')
+    docker project(path: ':rbcs-server-memcache', configuration: 'release')
 }
 
 Provider<Task> cleanTaskProvider = tasks.named(BasePlugin.CLEAN_TASK_NAME) {}
@@ -35,33 +35,33 @@ Provider<Copy> prepareDockerBuild = tasks.register('prepareDockerBuild', Copy) {
 Provider<DockerBuildImage> dockerBuild = tasks.register('dockerBuildImage', DockerBuildImage) {
     group = 'docker'
     dependsOn prepareDockerBuild
-    images.add('gitea.woggioni.net/woggioni/gbcs:latest')
-    images.add("gitea.woggioni.net/woggioni/gbcs:${version}")
+    images.add('gitea.woggioni.net/woggioni/rbcs:latest')
+    images.add("gitea.woggioni.net/woggioni/rbcs:${version}")
 }
 
 Provider<DockerTagImage> dockerTag = tasks.register('dockerTagImage', DockerTagImage) {
     group = 'docker'
-    repository = 'gitea.woggioni.net/woggioni/gbcs'
-    imageId = 'gitea.woggioni.net/woggioni/gbcs:latest'
+    repository = 'gitea.woggioni.net/woggioni/rbcs'
+    imageId = 'gitea.woggioni.net/woggioni/rbcs:latest'
     tag = version
 }
 
-Provider<DockerTagImage> dockerTagMemcached = tasks.register('dockerTagMemcachedImage', DockerTagImage) {
+Provider<DockerTagImage> dockerTagMemcache = tasks.register('dockerTagMemcacheImage', DockerTagImage) {
     group = 'docker'
-    repository = 'gitea.woggioni.net/woggioni/gbcs'
-    imageId = 'gitea.woggioni.net/woggioni/gbcs:memcached'
-    tag = "${version}-memcached"
+    repository = 'gitea.woggioni.net/woggioni/rbcs'
+    imageId = 'gitea.woggioni.net/woggioni/rbcs:memcache'
+    tag = "${version}-memcache"
 }
 
 Provider<DockerPushImage> dockerPush = tasks.register('dockerPushImage', DockerPushImage) {
     group = 'docker'
-    dependsOn dockerTag, dockerTagMemcached
+    dependsOn dockerTag, dockerTagMemcache
     registryCredentials {
         url = getProperty('docker.registry.url')
         username = 'woggioni'
         password = System.getenv().get("PUBLISHER_TOKEN")
     }
-    images = [dockerTag.flatMap{ it.tag }, dockerTagMemcached.flatMap{ it.tag }]
+    images = [dockerTag.flatMap{ it.tag }, dockerTagMemcache.flatMap{ it.tag }]
 }
 
 

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

@@ -1,6 +0,0 @@
-module net.woggioni.gbcs.api {
-    requires static lombok;
-    requires java.xml;
-    exports net.woggioni.gbcs.api;
-    exports net.woggioni.gbcs.api.exception;
-}

gbcs-api/src/main/java/net/woggioni/gbcs/api/Cache.java

@@ -1,11 +0,0 @@
-package net.woggioni.gbcs.api;
-
-import net.woggioni.gbcs.api.exception.ContentTooLargeException;
-
-import java.nio.channels.ReadableByteChannel;
-
-public interface Cache extends AutoCloseable {
-    ReadableByteChannel get(String key);
-
-    void put(String key, byte[] content) throws ContentTooLargeException;
-}

gbcs-api/src/main/java/net/woggioni/gbcs/api/exception/GbcsException.java

@@ -1,7 +0,0 @@
-package net.woggioni.gbcs.api.exception;
-
-public class GbcsException extends RuntimeException {
-    public GbcsException(String message, Throwable cause) {
-        super(message, cause);
-    }
-}

gbcs-cli/src/main/java/module-info.java

@@ -1,17 +0,0 @@
-module net.woggioni.gbcs.cli {
-    requires org.slf4j;
-    requires net.woggioni.gbcs.server;
-    requires info.picocli;
-    requires net.woggioni.gbcs.common;
-    requires net.woggioni.gbcs.client;
-    requires kotlin.stdlib;
-    requires net.woggioni.jwo;
-    requires net.woggioni.gbcs.api;
-
-    exports net.woggioni.gbcs.cli.impl.converters to info.picocli;
-    opens net.woggioni.gbcs.cli.impl.commands to info.picocli;
-    opens net.woggioni.gbcs.cli.impl to info.picocli;
-    opens net.woggioni.gbcs.cli to info.picocli, net.woggioni.gbcs.common;
-
-    exports net.woggioni.gbcs.cli;
-}

gbcs-cli/src/main/kotlin/net/woggioni/gbcs/cli/GradleBuildCacheServerCli.kt

@@ -1,63 +0,0 @@
-package net.woggioni.gbcs.cli
-
-import net.woggioni.gbcs.common.GbcsUrlStreamHandlerFactory
-import net.woggioni.gbcs.common.contextLogger
-import net.woggioni.gbcs.cli.impl.AbstractVersionProvider
-import net.woggioni.gbcs.cli.impl.GbcsCommand
-import net.woggioni.gbcs.cli.impl.commands.BenchmarkCommand
-import net.woggioni.gbcs.cli.impl.commands.ClientCommand
-import net.woggioni.gbcs.cli.impl.commands.GetCommand
-import net.woggioni.gbcs.cli.impl.commands.PasswordHashCommand
-import net.woggioni.gbcs.cli.impl.commands.PutCommand
-import net.woggioni.gbcs.cli.impl.commands.ServerCommand
-import net.woggioni.jwo.Application
-import picocli.CommandLine
-import picocli.CommandLine.Model.CommandSpec
-
-
-@CommandLine.Command(
-    name = "gbcs", versionProvider = GradleBuildCacheServerCli.VersionProvider::class
-)
-class GradleBuildCacheServerCli : GbcsCommand() {
-
-    class VersionProvider : AbstractVersionProvider()
-    companion object {
-        @JvmStatic
-        fun main(vararg args: String) {
-            Thread.currentThread().contextClassLoader = GradleBuildCacheServerCli::class.java.classLoader
-            GbcsUrlStreamHandlerFactory.install()
-            val log = contextLogger()
-            val app = Application.builder("gbcs")
-                .configurationDirectoryEnvVar("GBCS_CONFIGURATION_DIR")
-                .configurationDirectoryPropertyKey("net.woggioni.gbcs.conf.dir")
-                .build()
-            val gbcsCli = GradleBuildCacheServerCli()
-            val commandLine = CommandLine(gbcsCli)
-            commandLine.setExecutionExceptionHandler { ex, cl, parseResult ->
-                log.error(ex.message, ex)
-                CommandLine.ExitCode.SOFTWARE
-            }
-            commandLine.addSubcommand(ServerCommand(app))
-            commandLine.addSubcommand(PasswordHashCommand())
-            commandLine.addSubcommand(
-                CommandLine(ClientCommand(app)).apply {
-                    addSubcommand(BenchmarkCommand())
-                    addSubcommand(PutCommand())
-                    addSubcommand(GetCommand())
-                })
-            System.exit(commandLine.execute(*args))
-        }
-    }
-
-    @CommandLine.Option(names = ["-V", "--version"], versionHelp = true)
-    var versionHelp = false
-        private set
-
-    @CommandLine.Spec
-    private lateinit var spec: CommandSpec
-
-
-    override fun run() {
-        spec.commandLine().usage(System.out);
-    }
-}

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

@@ -1,132 +0,0 @@
-package net.woggioni.gbcs.cli.impl.commands
-
-import net.woggioni.gbcs.common.contextLogger
-import net.woggioni.gbcs.common.error
-import net.woggioni.gbcs.common.info
-import net.woggioni.gbcs.cli.impl.GbcsCommand
-import net.woggioni.gbcs.client.GbcsClient
-import picocli.CommandLine
-import java.security.SecureRandom
-import java.time.Duration
-import java.time.Instant
-import java.util.Base64
-import java.util.concurrent.ExecutionException
-import java.util.concurrent.Future
-import java.util.concurrent.LinkedBlockingQueue
-import java.util.concurrent.atomic.AtomicLong
-import kotlin.random.Random
-
-@CommandLine.Command(
-    name = "benchmark",
-    description = ["Run a load test against the server"],
-    showDefaultValues = true
-)
-class BenchmarkCommand : GbcsCommand() {
-    private val log = contextLogger()
-
-    @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
-
-    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")
-        }
-        val client = GbcsClient(profile)
-
-        val entryGenerator = sequence {
-            val random = Random(SecureRandom.getInstance("NativePRNGNonBlocking").nextLong())
-            while (true) {
-                val key = Base64.getUrlEncoder().encode(random.nextBytes(16)).toString(Charsets.UTF_8)
-                val value = random.nextBytes(0x1000)
-                yield(key to value)
-            }
-        }
-
-        val entries = let {
-            val completionQueue = LinkedBlockingQueue<Future<Pair<String, ByteArray>>>(numberOfEntries)
-            val start = Instant.now()
-            val totalElapsedTime = AtomicLong(0)
-            entryGenerator.take(numberOfEntries).forEach { entry ->
-                val requestStart = System.nanoTime()
-                val future = client.put(entry.first, entry.second).thenApply { entry }
-                future.whenComplete { _, _ ->
-                    totalElapsedTime.addAndGet((System.nanoTime() - requestStart))
-                    completionQueue.put(future)
-                }
-            }
-
-            val inserted = sequence<Pair<String, ByteArray>> {
-                var completionCounter = 0
-                while (completionCounter < numberOfEntries) {
-                    val future = completionQueue.take()
-                    try {
-                        yield(future.get())
-                    } catch (ee: ExecutionException) {
-                        val cause = ee.cause ?: ee
-                        log.error(cause.message, cause)
-                    }
-                    completionCounter += 1
-                }
-            }.toList()
-            val end = Instant.now()
-            log.info {
-                val elapsed = Duration.between(start, end).toMillis()
-                "Insertion rate: ${numberOfEntries.toDouble() / elapsed * 1000} ops/s"
-            }
-            log.info {
-                "Average time per insertion: ${totalElapsedTime.get() / numberOfEntries.toDouble() * 1000} ms"
-            }
-            inserted
-        }
-        log.info {
-            "Inserted ${entries.size} entries"
-        }
-        if (entries.isNotEmpty()) {
-            val completionQueue = LinkedBlockingQueue<Future<Unit>>(entries.size)
-            val start = Instant.now()
-            val totalElapsedTime = AtomicLong(0)
-            entries.forEach { entry ->
-                val requestStart = System.nanoTime()
-                val future = client.get(entry.first).thenApply {
-                    totalElapsedTime.addAndGet((System.nanoTime() - requestStart))
-                    if (it == null) {
-                        log.error {
-                            "Missing entry for key '${entry.first}'"
-                        }
-                    } else if (!entry.second.contentEquals(it)) {
-                        log.error {
-                            "Retrieved a value different from what was inserted for key '${entry.first}'"
-                        }
-                    }
-                }
-                future.whenComplete { _, _ ->
-                    completionQueue.put(future)
-                }
-            }
-            var completionCounter = 0
-            while (completionCounter < entries.size) {
-                completionQueue.take()
-                completionCounter += 1
-            }
-            val end = Instant.now()
-            log.info {
-                val elapsed = Duration.between(start, end).toMillis()
-                "Retrieval rate: ${entries.size.toDouble() / elapsed * 1000} ops/s"
-            }
-            log.info {
-                "Average time per retrieval: ${totalElapsedTime.get() / numberOfEntries.toDouble() * 1e6} ms"
-            }
-        } else {
-            log.error("Skipping retrieval benchmark as it was not possible to insert any entry in the cache")
-        }
-    }
-}

gbcs-client/build.gradle

@@ -1,15 +0,0 @@
-plugins {
-    id 'java-library'
-    alias catalog.plugins.kotlin.jvm
-}
-
-dependencies {
-    implementation project(':gbcs-api')
-    implementation project(':gbcs-common')
-    implementation catalog.picocli
-    implementation catalog.slf4j.api
-    implementation catalog.netty.buffer
-    implementation catalog.netty.codec.http
-}
-
-

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

@@ -1,69 +0,0 @@
-package net.woggioni.gbcs.client.impl
-
-import net.woggioni.gbcs.api.exception.ConfigurationException
-import net.woggioni.gbcs.common.Xml.Companion.asIterable
-import net.woggioni.gbcs.common.Xml.Companion.renderAttribute
-import net.woggioni.gbcs.client.GbcsClient
-import org.w3c.dom.Document
-import java.net.URI
-import java.nio.file.Files
-import java.nio.file.Path
-import java.security.KeyStore
-import java.security.PrivateKey
-import java.security.cert.X509Certificate
-
-object Parser {
-
-    fun parse(document: Document): GbcsClient.Configuration {
-        val root = document.documentElement
-
-        val profiles = mutableMapOf<String, GbcsClient.Configuration.Profile>()
-
-        for (child in root.asIterable()) {
-            val tagName = child.localName
-            when (tagName) {
-                "profile" -> {
-                    val name = 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: GbcsClient.Configuration.Authentication? = null
-                    for (gchild in child.asIterable()) {
-                        when (gchild.localName) {
-                            "tls-client-auth" -> {
-                                val keyStoreFile = gchild.renderAttribute("key-store-file")
-                                val keyStorePassword =
-                                    gchild.renderAttribute("key-store-password")
-                                val keyAlias = gchild.renderAttribute("key-alias")
-                                val keyPassword = gchild.renderAttribute("key-password")
-
-                                val keystore = KeyStore.getInstance("PKCS12").apply {
-                                    Files.newInputStream(Path.of(keyStoreFile)).use {
-                                        load(it, keyStorePassword?.toCharArray())
-                                    }
-                                }
-                                val key = keystore.getKey(keyAlias, keyPassword?.toCharArray()) as PrivateKey
-                                val certChain = keystore.getCertificateChain(keyAlias).asSequence()
-                                    .map { it as X509Certificate }
-                                    .toList()
-                                    .toTypedArray()
-                                authentication =
-                                    GbcsClient.Configuration.Authentication.TlsClientAuthenticationCredentials(key, certChain)
-                            }
-
-                            "basic-auth" -> {
-                                val username = gchild.renderAttribute("user") ?: throw ConfigurationException("username attribute is required")
-                                val password = gchild.renderAttribute("password") ?: throw ConfigurationException("password attribute is required")
-                                authentication =
-                                    GbcsClient.Configuration.Authentication.BasicAuthenticationCredentials(username, password)
-                            }
-                        }
-                    }
-                    val maxConnections = child.renderAttribute("max-connections")
-                        ?.let(String::toInt)
-                        ?: 50
-                    profiles[name] = GbcsClient.Configuration.Profile(uri, authentication, maxConnections)
-                }
-            }
-        }
-        return GbcsClient.Configuration(profiles)
-    }
-}

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

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<gbcs-client:profiles xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
-                      xmlns:gbcs-client="urn:net.woggioni.gbcs.client"
-                      xs:schemaLocation="urn:net.woggioni.gbcs.client jms://net.woggioni.gbcs.client/net/woggioni/gbcs/client/schema/gbcs-client.xsd"
-                      >
-    <profile name="profile1" base-url="https://gbcs1.example.com/">
-        <tls-client-auth
-                key-store-file="keystore.pfx"
-                key-store-password="password"
-                key-alias="woggioni@c962475fa38"
-                key-password="key-password"/>
-    </profile>
-    <profile name="profile2" base-url="https://gbcs2.example.com/">
-        <basic-auth user="user" password="password"/>
-    </profile>
-</gbcs-client:profiles>

gbcs-common/src/main/java/module-info.java

@@ -1,9 +0,0 @@
-module net.woggioni.gbcs.common {
-    requires java.xml;
-    requires java.logging;
-    requires org.slf4j;
-    requires kotlin.stdlib;
-    requires net.woggioni.jwo;
-
-    exports net.woggioni.gbcs.common;
-}

gbcs-common/src/main/kotlin/net/woggioni/gbcs/common/GBCS.kt

@@ -1,12 +0,0 @@
-package net.woggioni.gbcs.common
-
-import java.net.URI
-import java.net.URL
-
-object GBCS {
-    fun String.toUrl() : URL = URL.of(URI(this), null)
-
-    const val GBCS_NAMESPACE_URI: String = "urn:net.woggioni.gbcs.server"
-    const val GBCS_PREFIX: String = "gbcs"
-    const val XML_SCHEMA_NAMESPACE_URI = "http://www.w3.org/2001/XMLSchema-instance"
-}

gbcs-server-memcached/src/main/java/module-info.java

@@ -1,14 +0,0 @@
-import net.woggioni.gbcs.api.CacheProvider;
-
-module net.woggioni.gbcs.server.memcached {
-    requires net.woggioni.gbcs.common;
-    requires net.woggioni.gbcs.api;
-    requires com.googlecode.xmemcached;
-    requires net.woggioni.jwo;
-    requires java.xml;
-    requires kotlin.stdlib;
-
-    provides CacheProvider with net.woggioni.gbcs.server.memcached.MemcachedCacheProvider;
-
-    opens net.woggioni.gbcs.server.memcached.schema;
-}

gbcs-server-memcached/src/main/kotlin/net/woggioni/gbcs/server/memcached/MemcachedCache.kt

@@ -1,59 +0,0 @@
-package net.woggioni.gbcs.server.memcached
-
-import net.rubyeye.xmemcached.XMemcachedClientBuilder
-import net.rubyeye.xmemcached.command.BinaryCommandFactory
-import net.rubyeye.xmemcached.transcoders.CompressionMode
-import net.rubyeye.xmemcached.transcoders.SerializingTranscoder
-import net.woggioni.gbcs.api.Cache
-import net.woggioni.gbcs.api.exception.ContentTooLargeException
-import net.woggioni.gbcs.common.HostAndPort
-import net.woggioni.jwo.JWO
-import java.io.ByteArrayInputStream
-import java.net.InetSocketAddress
-import java.nio.channels.Channels
-import java.nio.channels.ReadableByteChannel
-import java.nio.charset.StandardCharsets
-import java.security.MessageDigest
-import java.time.Duration
-
-class MemcachedCache(
-    servers: List<HostAndPort>,
-    private val maxAge: Duration,
-    maxSize : Int,
-    digestAlgorithm: String?,
-    compressionMode: CompressionMode,
-) : Cache {
-    private val memcachedClient = XMemcachedClientBuilder(
-        servers.stream().map { addr: HostAndPort -> InetSocketAddress(addr.host, addr.port) }.toList()
-    ).apply {
-        commandFactory = BinaryCommandFactory()
-        digestAlgorithm?.let { dAlg ->
-            setKeyProvider { key ->
-                val md = MessageDigest.getInstance(dAlg)
-                md.update(key.toByteArray(StandardCharsets.UTF_8))
-                JWO.bytesToHex(md.digest())
-            }
-        }
-        transcoder = SerializingTranscoder(maxSize).apply {
-            setCompressionMode(compressionMode)
-        }
-    }.build()
-
-    override fun get(key: String): ReadableByteChannel? {
-        return memcachedClient.get<ByteArray>(key)
-            ?.let(::ByteArrayInputStream)
-            ?.let(Channels::newChannel)
-    }
-
-    override fun put(key: String, content: ByteArray) {
-        try {
-            memcachedClient[key, maxAge.toSeconds().toInt()] = content
-        } catch (e: IllegalArgumentException) {
-            throw ContentTooLargeException(e.message, e)
-        }
-    }
-
-    override fun close() {
-        memcachedClient.shutdown()
-    }
-}

gbcs-server-memcached/src/main/kotlin/net/woggioni/gbcs/server/memcached/MemcachedCacheConfiguration.kt

@@ -1,26 +0,0 @@
-package net.woggioni.gbcs.server.memcached
-
-import net.rubyeye.xmemcached.transcoders.CompressionMode
-import net.woggioni.gbcs.api.Configuration
-import net.woggioni.gbcs.common.HostAndPort
-import java.time.Duration
-
-data class MemcachedCacheConfiguration(
-    var servers: List<HostAndPort>,
-    var maxAge: Duration = Duration.ofDays(1),
-    var maxSize: Int = 0x100000,
-    var digestAlgorithm: String? = null,
-    var compressionMode: CompressionMode = CompressionMode.ZIP,
-) : Configuration.Cache {
-    override fun materialize() = MemcachedCache(
-        servers,
-        maxAge,
-        maxSize,
-        digestAlgorithm,
-        compressionMode
-    )
-
-    override fun getNamespaceURI() = "urn:net.woggioni.gbcs.server.memcached"
-
-    override fun getTypeName() = "memcachedCacheType"
-}

gbcs-server-memcached/src/main/kotlin/net/woggioni/gbcs/server/memcached/MemcachedCacheProvider.kt

@@ -1,88 +0,0 @@
-package net.woggioni.gbcs.server.memcached
-
-import net.rubyeye.xmemcached.transcoders.CompressionMode
-import net.woggioni.gbcs.api.CacheProvider
-import net.woggioni.gbcs.api.exception.ConfigurationException
-import net.woggioni.gbcs.common.GBCS
-import net.woggioni.gbcs.common.HostAndPort
-import net.woggioni.gbcs.common.Xml
-import net.woggioni.gbcs.common.Xml.Companion.asIterable
-import net.woggioni.gbcs.common.Xml.Companion.renderAttribute
-import org.w3c.dom.Document
-import org.w3c.dom.Element
-import java.time.Duration
-
-class MemcachedCacheProvider : CacheProvider<MemcachedCacheConfiguration> {
-    override fun getXmlSchemaLocation() = "jpms://net.woggioni.gbcs.server.memcached/net/woggioni/gbcs/server/memcached/schema/gbcs-memcached.xsd"
-
-    override fun getXmlType() = "memcachedCacheType"
-
-    override fun getXmlNamespace() = "urn:net.woggioni.gbcs.server.memcached"
-
-    val xmlNamespacePrefix : String
-        get() = "gbcs-memcached"
-
-    override fun deserialize(el: Element): MemcachedCacheConfiguration {
-        val servers = mutableListOf<HostAndPort>()
-        val maxAge = el.renderAttribute("max-age")
-            ?.let(Duration::parse)
-            ?: Duration.ofDays(1)
-        val maxSize = el.renderAttribute("max-size")
-            ?.let(String::toInt)
-            ?: 0x100000
-        val compressionMode = el.renderAttribute("compression-mode")
-            ?.let {
-                when (it) {
-                    "gzip" -> CompressionMode.GZIP
-                    "zip" -> CompressionMode.ZIP
-                    else -> CompressionMode.ZIP
-                }
-            }
-            ?: CompressionMode.ZIP
-        val digestAlgorithm = el.renderAttribute("digest")
-        for (child in el.asIterable()) {
-            when (child.nodeName) {
-                "server" -> {
-                    val host = child.renderAttribute("host") ?: throw ConfigurationException("host attribute is required")
-                    val port = child.renderAttribute("port")?.toInt() ?: throw ConfigurationException("port attribute is required")
-                    servers.add(HostAndPort(host, port))
-                }
-            }
-        }
-
-        return MemcachedCacheConfiguration(
-            servers,
-            maxAge,
-            maxSize,
-            digestAlgorithm,
-            compressionMode,
-        )
-    }
-
-    override fun serialize(doc: Document, cache: MemcachedCacheConfiguration) = cache.run {
-        val result = doc.createElement("cache")
-        Xml.of(doc, result) {
-            attr("xmlns:${xmlNamespacePrefix}", xmlNamespace, namespaceURI = "http://www.w3.org/2000/xmlns/")
-
-            attr("xs:type", "${xmlNamespacePrefix}:$xmlType", GBCS.XML_SCHEMA_NAMESPACE_URI)
-            for (server in servers) {
-                node("server") {
-                    attr("host", server.host)
-                    attr("port", server.port.toString())
-                }
-            }
-            attr("max-age", maxAge.toString())
-            attr("max-size", maxSize.toString())
-            digestAlgorithm?.let { digestAlgorithm ->
-                attr("digest", digestAlgorithm)
-            }
-            attr(
-                "compression-mode", when (compressionMode) {
-                    CompressionMode.GZIP -> "gzip"
-                    CompressionMode.ZIP -> "zip"
-                }
-            )
-        }
-        result
-    }
-}

gbcs-server-memcached/src/main/resources/META-INF/services/net.woggioni.gbcs.api.CacheProvider

@@ -1 +0,0 @@
-net.woggioni.gbcs.server.memcached.MemcachedCacheProvider

gbcs-server-memcached/src/main/resources/net/woggioni/gbcs/server/memcached/schema/gbcs-memcached.xsd

@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<xs:schema targetNamespace="urn:net.woggioni.gbcs.server.memcached"
-           xmlns:gbcs-memcached="urn:net.woggioni.gbcs.server.memcached"
-           xmlns:gbcs="urn:net.woggioni.gbcs.server"
-           xmlns:xs="http://www.w3.org/2001/XMLSchema">
-
-    <xs:import schemaLocation="jpms://net.woggioni.gbcs.server/net/woggioni/gbcs/server/schema/gbcs.xsd" namespace="urn:net.woggioni.gbcs.server"/>
-
-    <xs:complexType name="memcachedServerType">
-        <xs:attribute name="host" type="xs:token" use="required"/>
-        <xs:attribute name="port" type="xs:positiveInteger" use="required"/>
-    </xs:complexType>
-
-    <xs:complexType name="memcachedCacheType">
-        <xs:complexContent>
-            <xs:extension base="gbcs:cacheType">
-                <xs:sequence maxOccurs="unbounded">
-                    <xs:element name="server" type="gbcs-memcached:memcachedServerType"/>
-                </xs:sequence>
-                <xs:attribute name="max-age" type="xs:duration" default="P1D"/>
-                <xs:attribute name="max-size" type="xs:unsignedInt" default="1048576"/>
-                <xs:attribute name="digest" type="xs:token" />
-                <xs:attribute name="compression-mode" type="gbcs-memcached:compressionType" default="zip"/>
-            </xs:extension>
-        </xs:complexContent>
-    </xs:complexType>
-
-    <xs:simpleType name="compressionType">
-        <xs:restriction base="xs:token">
-            <xs:enumeration value="zip"/>
-            <xs:enumeration value="gzip"/>
-        </xs:restriction>
-    </xs:simpleType>
-
-</xs:schema>

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

@@ -1,28 +0,0 @@
-import net.woggioni.gbcs.api.CacheProvider;
-import net.woggioni.gbcs.server.cache.FileSystemCacheProvider;
-
-module net.woggioni.gbcs.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.gbcs.common;
-    requires net.woggioni.gbcs.api;
-
-    exports net.woggioni.gbcs.server;
-
-    opens net.woggioni.gbcs.server;
-    opens net.woggioni.gbcs.server.schema;
-
-    uses CacheProvider;
-    provides CacheProvider with FileSystemCacheProvider;
-}

gbcs-server/src/main/kotlin/net/woggioni/gbcs/server/cache/FileSystemCache.kt

@@ -1,133 +0,0 @@
-package net.woggioni.gbcs.server.cache
-
-import net.woggioni.gbcs.api.Cache
-import net.woggioni.jwo.JWO
-import net.woggioni.jwo.LockFile
-import java.nio.channels.Channels
-import java.nio.channels.FileChannel
-import java.nio.file.Files
-import java.nio.file.Path
-import java.nio.file.StandardCopyOption
-import java.nio.file.StandardOpenOption
-import java.nio.file.attribute.BasicFileAttributes
-import java.security.MessageDigest
-import java.time.Duration
-import java.time.Instant
-import java.util.concurrent.atomic.AtomicReference
-import java.util.zip.Deflater
-import java.util.zip.DeflaterOutputStream
-import java.util.zip.Inflater
-import java.util.zip.InflaterInputStream
-
-
-class FileSystemCache(
-    val root: Path,
-    val maxAge: Duration,
-    val digestAlgorithm: String?,
-    val compressionEnabled: Boolean,
-    val compressionLevel: Int
-) : Cache {
-
-    private fun lockFilePath(key: String): Path = root.resolve("$key.lock")
-
-    init {
-        Files.createDirectories(root)
-    }
-
-    private var nextGc = AtomicReference(Instant.now().plus(maxAge))
-
-    override fun get(key: String) = (digestAlgorithm
-        ?.let(MessageDigest::getInstance)
-        ?.let { md ->
-            digestString(key.toByteArray(), md)
-        } ?: key).let { digest ->
-        LockFile.acquire(lockFilePath(digest), true).use {
-            root.resolve(digest).takeIf(Files::exists)?.let { file ->
-                if (compressionEnabled) {
-                    val inflater = Inflater()
-                    Channels.newChannel(InflaterInputStream(Files.newInputStream(file), inflater))
-                } else {
-                    FileChannel.open(file, StandardOpenOption.READ)
-                }
-            }
-        }.also {
-            gc()
-        }
-    }
-
-    override fun put(key: String, content: ByteArray) {
-        (digestAlgorithm
-            ?.let(MessageDigest::getInstance)
-            ?.let { md ->
-                digestString(key.toByteArray(), md)
-            } ?: key).let { digest ->
-            LockFile.acquire(lockFilePath(digest), false).use {
-                val file = root.resolve(digest)
-                val tmpFile = Files.createTempFile(root, null, ".tmp")
-                try {
-                    Files.newOutputStream(tmpFile).let {
-                        if (compressionEnabled) {
-                            val deflater = Deflater(compressionLevel)
-                            DeflaterOutputStream(it, deflater)
-                        } else {
-                            it
-                        }
-                    }.use {
-                        it.write(content)
-                    }
-                    Files.move(tmpFile, file, StandardCopyOption.ATOMIC_MOVE)
-                } catch (t: Throwable) {
-                    Files.delete(tmpFile)
-                    throw t
-                }
-            }
-        }.also {
-            gc()
-        }
-    }
-
-    private fun gc() {
-        val now = Instant.now()
-        val oldValue = nextGc.getAndSet(now.plus(maxAge))
-        if (oldValue < now) {
-            actualGc(now)
-        }
-    }
-
-    @Synchronized
-    private fun actualGc(now: Instant) {
-        Files.list(root).filter {
-            !it.fileName.toString().endsWith(".lock")
-        }.filter {
-            val creationTimeStamp = Files.readAttributes(it, BasicFileAttributes::class.java)
-                .creationTime()
-                .toInstant()
-            now > creationTimeStamp.plus(maxAge)
-        }.forEach { file ->
-            val lockFile = lockFilePath(file.fileName.toString())
-            LockFile.acquire(lockFile, false).use {
-                Files.delete(file)
-            }
-            Files.delete(lockFile)
-        }
-    }
-
-    override fun close() {}
-
-    companion object {
-        fun digest(
-            data: ByteArray,
-            md: MessageDigest = MessageDigest.getInstance("MD5")
-        ): ByteArray {
-            md.update(data)
-            return md.digest()
-        }
-
-        fun digestString(
-            data: ByteArray,
-            md: MessageDigest = MessageDigest.getInstance("MD5")
-        ): String {
-            return JWO.bytesToHex(digest(data, md))
-        }
-    }
-}

gbcs-server/src/main/resources/META-INF/services/net.woggioni.gbcs.api.CacheProvider

@@ -1 +0,0 @@
-net.woggioni.gbcs.server.cache.FileSystemCacheProvider

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

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
-             xmlns:gbcs="urn:net.woggioni.gbcs.server"
-             xs:schemaLocation="urn:net.woggioni.gbcs.server jpms://net.woggioni.gbcs.server/net/woggioni/gbcs/server/schema/gbcs.xsd">
-    <bind host="127.0.0.1" port="8080"/>
-    <cache xs:type="gbcs:fileSystemCacheType" path="/tmp/gbcs" max-age="P7D"/>
-    <authentication>
-        <none/>
-    </authentication>
-</gbcs:server>

gbcs-server/src/test/kotlin/net/woggioni/gbcs/server/test/ConfigurationTest.kt

@@ -1,38 +0,0 @@
-package net.woggioni.gbcs.server.test
-
-import net.woggioni.gbcs.common.GBCS.toUrl
-import net.woggioni.gbcs.common.GbcsUrlStreamHandlerFactory
-import net.woggioni.gbcs.common.Xml
-import net.woggioni.gbcs.server.configuration.Parser
-import net.woggioni.gbcs.server.configuration.Serializer
-import org.junit.jupiter.api.Assertions
-import org.junit.jupiter.api.io.TempDir
-import org.junit.jupiter.params.ParameterizedTest
-import org.junit.jupiter.params.provider.ValueSource
-import java.nio.file.Files
-import java.nio.file.Path
-
-class ConfigurationTest {
-
-    @ValueSource(
-        strings = [
-            "classpath:net/woggioni/gbcs/server/test/gbcs-default.xml",
-            "classpath:net/woggioni/gbcs/server/test/gbcs-memcached.xml",
-            "classpath:net/woggioni/gbcs/server/test/gbcs-tls.xml",
-        ]
-    )
-    @ParameterizedTest
-    fun test(configurationUrl: String, @TempDir testDir: Path) {
-        GbcsUrlStreamHandlerFactory.install()
-        val doc = Xml.parseXml(configurationUrl.toUrl())
-        val cfg = Parser.parse(doc)
-        val configFile = testDir.resolve("gbcs.xml")
-        Files.newOutputStream(configFile).use {
-            Xml.write(Serializer.serialize(cfg), it)
-        }
-        Xml.write(Serializer.serialize(cfg), System.out)
-
-        val parsed = Parser.parse(Xml.parseXml(configFile.toUri().toURL()))
-        Assertions.assertEquals(cfg, parsed)
-    }
-}

gbcs-server/src/test/resources/net/woggioni/gbcs/server/test/gbcs-default.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
-             xmlns:gbcs="urn:net.woggioni.gbcs.server"
-             xs:schemaLocation="urn:net.woggioni.gbcs.server jpms://net.woggioni.gbcs.server/net/woggioni/gbcs/server/schema/gbcs.xsd">
-    <bind host="127.0.0.1" port="11443"/>
-    <cache xs:type="gbcs:fileSystemCacheType" path="/tmp/gbcs" max-age="P7D"/>
-    <authentication>
-        <none/>
-    </authentication>
-</gbcs:server>

gbcs-server/src/test/resources/net/woggioni/gbcs/server/test/gbcs-memcached.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
-             xmlns:gbcs="urn:net.woggioni.gbcs.server"
-             xmlns:gbcs-memcached="urn:net.woggioni.gbcs.server.memcached"
-             xs:schemaLocation="urn:net.woggioni.gbcs.server.memcached jpms://net.woggioni.gbcs.server.memcached/net/woggioni/gbcs/server/memcached/schema/gbcs-memcached.xsd urn:net.woggioni.gbcs.server jpms://net.woggioni.gbcs.server/net/woggioni/gbcs/server/schema/gbcs.xsd">
-    <bind host="127.0.0.1" port="11443" />
-    <cache xs:type="gbcs-memcached:memcachedCacheType" max-age="P7D" max-size="101325" digest="SHA-256">
-        <server host="127.0.0.1" port="11211"/>
-    </cache>
-    <authentication>
-        <none/>
-    </authentication>
-</gbcs:server>

gradle.properties

@@ -2,11 +2,10 @@ org.gradle.configuration-cache=false
 org.gradle.parallel=true
 org.gradle.caching=true
 
-gbcs.version = 0.0.8
+rbcs.version = 0.1.6
 
-lys.version = 2025.01.17
+lys.version = 2025.02.08
 
 gitea.maven.url = https://gitea.woggioni.net/api/packages/woggioni/maven
 docker.registry.url=gitea.woggioni.net
 
-jpms-check.configurationName = runtimeClasspath

rbcs-api/build.gradle

@@ -5,6 +5,7 @@ plugins {
 }
 
 dependencies {
+    api catalog.netty.buffer
 }
 
 publishing {

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

@@ -0,0 +1,8 @@
+module net.woggioni.rbcs.api {
+    requires static lombok;
+    requires java.xml;
+    requires io.netty.buffer;
+    exports net.woggioni.rbcs.api;
+    exports net.woggioni.rbcs.api.exception;
+    exports net.woggioni.rbcs.api.event;
+}

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

@@ -0,0 +1,17 @@
+package net.woggioni.rbcs.api;
+
+import io.netty.buffer.ByteBufAllocator;
+
+import java.util.concurrent.CompletableFuture;
+
+
+public interface Cache extends AutoCloseable {
+
+    default void get(String key, ResponseHandle responseHandle, ByteBufAllocator alloc) {
+        throw new UnsupportedOperationException();
+    }
+
+    default CompletableFuture<RequestHandle> put(String key, ResponseHandle responseHandle, ByteBufAllocator alloc) {
+        throw new UnsupportedOperationException();
+    }
+}

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.api;
+package net.woggioni.rbcs.api;
 
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;

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

@@ -1,11 +1,13 @@
-package net.woggioni.gbcs.api;
+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;
@@ -14,19 +16,48 @@ import java.util.stream.Collectors;
 public class Configuration {
     String host;
     int port;
+    int incomingConnectionsBacklogSize;
     String serverPath;
+    @NonNull
+    EventExecutor eventExecutor;
+    @NonNull
+    Connection connection;
     Map<String, User> users;
     Map<String, Group> groups;
     Cache cache;
     Authentication authentication;
     Tls tls;
-    boolean useVirtualThread;
+
+    @Value
+    public static class EventExecutor {
+        boolean useVirtualThreads;
+    }
+
+    @Value
+    public static class Connection {
+        Duration readTimeout;
+        Duration writeTimeout;
+        Duration idleTimeout;
+        Duration readIdleTimeout;
+        Duration writeIdleTimeout;
+        int maxRequestSize;
+    }
+
+    @Value
+    public static class Quota {
+        long calls;
+        Duration period;
+        long initialAvailableCalls;
+        long maxAvailableCalls;
+    }
 
     @Value
     public static class Group {
         @EqualsAndHashCode.Include
         String name;
         Set<Role> roles;
+        Quota groupQuota;
+        Quota userQuota;
     }
 
     @Value
@@ -35,7 +66,7 @@ public class Configuration {
         String name;
         String password;
         Set<Group> groups;
-
+        Quota quota;
 
         public Set<Role> getRoles() {
             return groups.stream()
@@ -55,12 +86,22 @@ public class Configuration {
     }
 
     @Value
-    public static class Tls {
+    public static class Throttling {
         KeyStore keyStore;
         TrustStore trustStore;
         boolean verifyClients;
     }
 
+    public enum ClientCertificate {
+        REQUIRED, OPTIONAL
+    }
+
+    @Value
+    public static class Tls {
+        KeyStore keyStore;
+        TrustStore trustStore;
+    }
+
     @Value
     public static class KeyStore {
         Path file;
@@ -74,6 +115,7 @@ public class Configuration {
         Path file;
         String password;
         boolean checkCertificateStatus;
+        boolean requireClientCertificate;
     }
 
     @Value
@@ -93,7 +135,7 @@ public class Configuration {
     }
 
     public interface Cache {
-        net.woggioni.gbcs.api.Cache materialize();
+        net.woggioni.rbcs.api.Cache materialize();
         String getNamespaceURI();
         String getTypeName();
     }
@@ -101,24 +143,28 @@ public class Configuration {
     public static Configuration of(
             String host,
             int port,
+            int incomingConnectionsBacklogSize,
             String serverPath,
+            EventExecutor eventExecutor,
+            Connection connection,
             Map<String, User> users,
             Map<String, Group> groups,
             Cache cache,
             Authentication authentication,
-            Tls tls,
-            boolean useVirtualThread
+            Tls tls
     ) {
         return new Configuration(
                 host,
                 port,
+                incomingConnectionsBacklogSize,
                 serverPath != null && !serverPath.isEmpty() && !serverPath.equals("/") ? serverPath : null,
+                eventExecutor,
+                connection,
                 users,
                 groups,
                 cache,
                 authentication,
-                tls,
-                useVirtualThread
+                tls
         );
     }
 }

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

@@ -0,0 +1,8 @@
+package net.woggioni.rbcs.api;
+
+import net.woggioni.rbcs.api.event.RequestStreamingEvent;
+
+@FunctionalInterface
+public interface RequestHandle {
+    void handleEvent(RequestStreamingEvent evt);
+}

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

@@ -0,0 +1,8 @@
+package net.woggioni.rbcs.api;
+
+import net.woggioni.rbcs.api.event.ResponseStreamingEvent;
+
+@FunctionalInterface
+public interface ResponseHandle {
+    void handleEvent(ResponseStreamingEvent evt);
+}

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.api;
+package net.woggioni.rbcs.api;
 
 public enum Role {
     Reader, Writer

rbcs-api/src/main/java/net/woggioni/rbcs/api/event/RequestStreamingEvent.java

@@ -0,0 +1,26 @@
+package net.woggioni.rbcs.api.event;
+
+import io.netty.buffer.ByteBuf;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+public sealed interface RequestStreamingEvent {
+
+    @Getter
+    @RequiredArgsConstructor
+    non-sealed class ChunkReceived implements RequestStreamingEvent {
+        private final ByteBuf chunk;
+    }
+
+    final class LastChunkReceived extends ChunkReceived {
+        public LastChunkReceived(ByteBuf chunk) {
+            super(chunk);
+        }
+    }
+
+    @Getter
+    @RequiredArgsConstructor
+    final class ExceptionCaught implements RequestStreamingEvent {
+        private final Throwable exception;
+    }
+}

rbcs-api/src/main/java/net/woggioni/rbcs/api/event/ResponseStreamingEvent.java

@@ -0,0 +1,42 @@
+package net.woggioni.rbcs.api.event;
+
+import io.netty.buffer.ByteBuf;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import java.nio.channels.FileChannel;
+
+public sealed interface ResponseStreamingEvent {
+
+    final class ResponseReceived implements ResponseStreamingEvent {
+    }
+
+    @Getter
+    @RequiredArgsConstructor
+    non-sealed class ChunkReceived implements ResponseStreamingEvent {
+        private final ByteBuf chunk;
+    }
+
+    @Getter
+    @RequiredArgsConstructor
+    non-sealed class FileReceived implements ResponseStreamingEvent {
+        private final FileChannel file;
+    }
+
+    final class LastChunkReceived extends ChunkReceived {
+        public LastChunkReceived(ByteBuf chunk) {
+            super(chunk);
+        }
+    }
+
+    @Getter
+    @RequiredArgsConstructor
+    final class ExceptionCaught implements ResponseStreamingEvent {
+        private final Throwable exception;
+    }
+
+    final class NotFound implements ResponseStreamingEvent { }
+
+    NotFound NOT_FOUND = new NotFound();
+    ResponseReceived RESPONSE_RECEIVED = new ResponseReceived();
+}

rbcs-api/src/main/java/net/woggioni/rbcs/api/exception/CacheException.java

@@ -0,0 +1,11 @@
+package net.woggioni.rbcs.api.exception;
+
+public class CacheException extends RbcsException {
+    public CacheException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public CacheException(String message) {
+        this(message, null);
+    }
+}

rbcs-api/src/main/java/net/woggioni/rbcs/api/exception/ConfigurationException.java

@@ -1,6 +1,6 @@
-package net.woggioni.gbcs.api.exception;
+package net.woggioni.rbcs.api.exception;
 
-public class ConfigurationException extends GbcsException {
+public class ConfigurationException extends RbcsException {
     public ConfigurationException(String message, Throwable cause) {
         super(message, cause);
     }

rbcs-api/src/main/java/net/woggioni/rbcs/api/exception/ContentTooLargeException.java

@@ -1,6 +1,6 @@
-package net.woggioni.gbcs.api.exception;
+package net.woggioni.rbcs.api.exception;
 
-public class ContentTooLargeException extends GbcsException {
+public class ContentTooLargeException extends RbcsException {
     public ContentTooLargeException(String message, Throwable cause) {
         super(message, cause);
     }

rbcs-api/src/main/java/net/woggioni/rbcs/api/exception/RbcsException.java

@@ -0,0 +1,7 @@
+package net.woggioni.rbcs.api.exception;
+
+public class RbcsException extends RuntimeException {
+    public RbcsException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

rbcs-cli/build.gradle

@@ -16,8 +16,10 @@ import net.woggioni.gradle.graalvm.NativeImageTask
 import net.woggioni.gradle.graalvm.JlinkPlugin
 import net.woggioni.gradle.graalvm.JlinkTask
 
+Property<String> mainModuleName = objects.property(String.class)
+mainModuleName.set('net.woggioni.rbcs.cli')
 Property<String> mainClassName = objects.property(String.class)
-mainClassName.set('net.woggioni.gbcs.cli.GradleBuildCacheServerCli')
+mainClassName.set('net.woggioni.rbcs.cli.RemoteBuildCacheServerCli')
 
 tasks.named(JavaPlugin.COMPILE_JAVA_TASK_NAME, JavaCompile) {
     options.javaModuleMainClass = mainClassName
@@ -33,7 +35,7 @@ configurations {
 }
 
 envelopeJar {
-    mainModule = 'net.woggioni.gbcs.cli'
+    mainModule = mainModuleName
     mainClass = mainClassName
 
     extraClasspath = ["plugins"]
@@ -42,35 +44,45 @@ envelopeJar {
 dependencies {
     implementation catalog.jwo
     implementation catalog.slf4j.api
-    implementation catalog.netty.codec.http
     implementation catalog.picocli
 
-    implementation project(':gbcs-client')
-    implementation project(':gbcs-server')
+    implementation project(':rbcs-client')
+    implementation project(':rbcs-server')
 
 //    runtimeOnly catalog.slf4j.jdk14
     runtimeOnly catalog.logback.classic
+//    runtimeOnly catalog.slf4j.simple
 }
 
 Provider<EnvelopeJarTask> envelopeJarTaskProvider = tasks.named('envelopeJar', EnvelopeJarTask.class) {
-//    systemProperties['java.util.logging.config.class'] = 'net.woggioni.gbcs.LoggingConfig'
-//    systemProperties['log.config.source'] = 'logging.properties'
-    systemProperties['logback.configurationFile'] = 'classpath:net/woggioni/gbcs/cli/logback.xml'
+//    systemProperties['java.util.logging.config.class'] = 'net.woggioni.rbcs.LoggingConfig'
+//    systemProperties['log.config.source'] = 'net/woggioni/rbcs/cli/logging.properties'
+//    systemProperties['java.util.logging.config.file'] = 'classpath:net/woggioni/rbcs/cli/logging.properties'
+    systemProperties['logback.configurationFile'] = 'classpath:net/woggioni/rbcs/cli/logback.xml'
+    systemProperties['io.netty.leakDetectionLevel'] = 'DISABLED'
+
+//    systemProperties['org.slf4j.simpleLogger.showDateTime'] = 'true'
+//    systemProperties['org.slf4j.simpleLogger.defaultLogLevel'] = 'debug'
+//    systemProperties['org.slf4j.simpleLogger.log.com.google.code.yanf4j'] = 'warn'
+//    systemProperties['org.slf4j.simpleLogger.log.net.rubyeye.xmemcached'] = 'warn'
+//    systemProperties['org.slf4j.simpleLogger.dateTimeFormat'] = 'yyyy-MM-dd\'T\'HH:mm:ss.SSSZ'
 }
 
 tasks.named(NativeImagePlugin.CONFIGURE_NATIVE_IMAGE_TASK_NAME, NativeImageConfigurationTask) {
     mainClass = mainClassName
+    mainModule = mainModuleName
 }
 
 tasks.named(NativeImagePlugin.NATIVE_IMAGE_TASK_NAME, NativeImageTask) {
     mainClass = mainClassName
+    mainModule = mainModuleName
     useMusl = true
     buildStaticImage = true
 }
 
 tasks.named(JlinkPlugin.JLINK_TASK_NAME, JlinkTask) {
     mainClass = mainClassName
-    mainModule = 'net.woggioni.gbcs.cli'
+    mainModule = 'net.woggioni.rbcs.cli'
 }
 
 artifacts {

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

@@ -1,2 +1,2 @@
-Args=-H:Optimize=3 --gc=serial
+Args=-H:Optimize=3 --gc=serial --initialize-at-run-time=io.netty
 #-H:TraceClassInitialization=io.netty.handler.ssl.BouncyCastleAlpnSslUtils

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

@@ -0,0 +1,17 @@
+module net.woggioni.rbcs.cli {
+    requires org.slf4j;
+    requires net.woggioni.rbcs.server;
+    requires info.picocli;
+    requires net.woggioni.rbcs.common;
+    requires net.woggioni.rbcs.client;
+    requires kotlin.stdlib;
+    requires net.woggioni.jwo;
+    requires net.woggioni.rbcs.api;
+
+    exports net.woggioni.rbcs.cli.impl.converters to info.picocli;
+    opens net.woggioni.rbcs.cli.impl.commands to info.picocli;
+    opens net.woggioni.rbcs.cli.impl to info.picocli;
+    opens net.woggioni.rbcs.cli to info.picocli, net.woggioni.rbcs.common;
+
+    exports net.woggioni.rbcs.cli;
+}

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

@@ -0,0 +1,69 @@
+package net.woggioni.rbcs.cli
+
+import net.woggioni.rbcs.cli.impl.AbstractVersionProvider
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.cli.impl.commands.BenchmarkCommand
+import net.woggioni.rbcs.cli.impl.commands.ClientCommand
+import net.woggioni.rbcs.cli.impl.commands.GetCommand
+import net.woggioni.rbcs.cli.impl.commands.HealthCheckCommand
+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.jwo.Application
+import picocli.CommandLine
+import picocli.CommandLine.Model.CommandSpec
+
+
+@CommandLine.Command(
+    name = "rbcs", versionProvider = RemoteBuildCacheServerCli.VersionProvider::class
+)
+class RemoteBuildCacheServerCli : RbcsCommand() {
+
+    class VersionProvider : AbstractVersionProvider()
+    companion object {
+        @JvmStatic
+        fun main(vararg args: String) {
+            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 app = Application.builder("rbcs")
+                .configurationDirectoryEnvVar("RBCS_CONFIGURATION_DIR")
+                .configurationDirectoryPropertyKey("net.woggioni.rbcs.conf.dir")
+                .build()
+            val rbcsCli = RemoteBuildCacheServerCli()
+            val commandLine = CommandLine(rbcsCli)
+            commandLine.setExecutionExceptionHandler { ex, cl, parseResult ->
+                log.error(ex.message, ex)
+                CommandLine.ExitCode.SOFTWARE
+            }
+            commandLine.addSubcommand(ServerCommand(app))
+            commandLine.addSubcommand(PasswordHashCommand())
+            commandLine.addSubcommand(
+                CommandLine(ClientCommand(app)).apply {
+                    addSubcommand(BenchmarkCommand())
+                    addSubcommand(PutCommand())
+                    addSubcommand(GetCommand())
+                    addSubcommand(HealthCheckCommand())
+                })
+            System.exit(commandLine.execute(*args))
+        }
+    }
+
+    @CommandLine.Option(names = ["-V", "--version"], versionHelp = true)
+    var versionHelp = false
+        private set
+
+    @CommandLine.Spec
+    private lateinit var spec: CommandSpec
+
+
+    override fun run() {
+        spec.commandLine().usage(System.out);
+    }
+}

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.cli.impl
+package net.woggioni.rbcs.cli.impl
 
 import picocli.CommandLine
 import java.util.jar.Attributes

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

@@ -1,11 +1,11 @@
-package net.woggioni.gbcs.cli.impl
+package net.woggioni.rbcs.cli.impl
 
 import net.woggioni.jwo.Application
 import picocli.CommandLine
 import java.nio.file.Path
 
 
-abstract class GbcsCommand : Runnable {
+abstract class RbcsCommand : Runnable {
 
     @CommandLine.Option(names = ["-h", "--help"], usageHelp = true)
     var usageHelp = false

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

@@ -0,0 +1,155 @@
+package net.woggioni.rbcs.cli.impl.commands
+
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.client.RemoteBuildCacheClient
+import net.woggioni.rbcs.common.contextLogger
+import net.woggioni.rbcs.common.error
+import net.woggioni.rbcs.common.info
+import net.woggioni.jwo.JWO
+import net.woggioni.jwo.LongMath
+import net.woggioni.rbcs.common.debug
+import picocli.CommandLine
+import java.security.SecureRandom
+import java.time.Duration
+import java.time.Instant
+import java.util.concurrent.LinkedBlockingQueue
+import java.util.concurrent.Semaphore
+import java.util.concurrent.atomic.AtomicLong
+import kotlin.random.Random
+
+@CommandLine.Command(
+    name = "benchmark",
+    description = ["Run a load test against the server"],
+    showDefaultValues = true
+)
+class BenchmarkCommand : RbcsCommand() {
+    private val log = contextLogger()
+
+    @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"
+    )
+    private var size = 0x1000
+
+    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")
+        }
+        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 content = random.nextInt().toByte()
+                    val value = ByteArray(size, { _ -> content })
+                    yield(key to value)
+                }
+            }
+
+            log.info {
+                "Starting insertion"
+            }
+            val entries = let {
+                val completionCounter = AtomicLong(0)
+                val completionQueue = LinkedBlockingQueue<Pair<String, ByteArray>>(numberOfEntries)
+                val start = Instant.now()
+                val semaphore = Semaphore(profile.maxConnections * 3)
+                val iterator = entryGenerator.take(numberOfEntries).iterator()
+                while (completionCounter.get() < numberOfEntries) {
+                    if (iterator.hasNext()) {
+                        val entry = iterator.next()
+                        semaphore.acquire()
+                        val future = client.put(entry.first, entry.second).thenApply { entry }
+                        future.whenComplete { result, ex ->
+                            if (ex != null) {
+                                log.error(ex.message, ex)
+                            } else {
+                                completionQueue.put(result)
+                            }
+                            semaphore.release()
+                            val completed = completionCounter.incrementAndGet()
+                            if(completed.mod(progressThreshold) == 0L) {
+                                log.debug {
+                                    "Inserted $completed / $numberOfEntries"
+                                }
+                            }
+                        }
+                    } else {
+                        Thread.sleep(0)
+                    }
+                }
+
+                val inserted = completionQueue.toList()
+                val end = Instant.now()
+                log.info {
+                    val elapsed = Duration.between(start, end).toMillis()
+                    val opsPerSecond = String.format("%.2f", numberOfEntries.toDouble() / elapsed * 1000)
+                    "Insertion rate: $opsPerSecond ops/s"
+                }
+                inserted
+            }
+            log.info {
+                "Inserted ${entries.size} entries"
+            }
+            log.info {
+                "Starting retrieval"
+            }
+            if (entries.isNotEmpty()) {
+                val completionCounter = AtomicLong(0)
+                val semaphore = Semaphore(profile.maxConnections * 3)
+                val start = Instant.now()
+                val it = entries.iterator()
+                while (completionCounter.get() < entries.size) {
+                    if (it.hasNext()) {
+                        val entry = it.next()
+                        val future = client.get(entry.first).thenApply {
+                            if (it == null) {
+                                log.error {
+                                    "Missing entry for key '${entry.first}'"
+                                }
+                            } else if (!entry.second.contentEquals(it)) {
+                                log.error {
+                                    "Retrieved a value different from what was inserted for key '${entry.first}'"
+                                }
+                            }
+                        }
+                        future.whenComplete { _, _ ->
+                            val completed = completionCounter.incrementAndGet()
+                            if(completed.mod(progressThreshold) == 0L) {
+                                log.debug {
+                                    "Retrieved $completed / ${entries.size}"
+                                }
+                            }
+                            semaphore.release()
+                        }
+                    } else {
+                        Thread.sleep(0)
+                    }
+                }
+                val end = Instant.now()
+                log.info {
+                    val elapsed = Duration.between(start, end).toMillis()
+                    val opsPerSecond = String.format("%.2f", entries.size.toDouble() / elapsed * 1000)
+                    "Retrieval rate: $opsPerSecond ops/s"
+                }
+            } else {
+                log.error("Skipping retrieval benchmark as it was not possible to insert any entry in the cache")
+            }
+        }
+    }
+}

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

@@ -1,24 +1,24 @@
-package net.woggioni.gbcs.cli.impl.commands
+package net.woggioni.rbcs.cli.impl.commands
 
-import net.woggioni.gbcs.cli.impl.GbcsCommand
-import net.woggioni.gbcs.client.GbcsClient
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.client.RemoteBuildCacheClient
 import net.woggioni.jwo.Application
 import picocli.CommandLine
 import java.nio.file.Path
 
 @CommandLine.Command(
     name = "client",
-    description = ["GBCS client"],
+    description = ["RBCS client"],
     showDefaultValues = true
 )
-class ClientCommand(app : Application) : GbcsCommand() {
+class ClientCommand(app : Application) : RbcsCommand() {
 
     @CommandLine.Option(
         names = ["-c", "--configuration"],
         description = ["Path to the client configuration file"],
         paramLabel = "CONFIGURATION_FILE"
     )
-    private var configurationFile : Path = findConfigurationFile(app, "gbcs-client.xml")
+    private var configurationFile : Path = findConfigurationFile(app, "rbcs-client.xml")
 
     @CommandLine.Option(
         names = ["-p", "--profile"],
@@ -28,8 +28,8 @@ class ClientCommand(app : Application) : GbcsCommand() {
     )
     var profileName : String? = null
 
-    val configuration : GbcsClient.Configuration by lazy {
-        GbcsClient.Configuration.parse(configurationFile)
+    val configuration : RemoteBuildCacheClient.Configuration by lazy {
+        RemoteBuildCacheClient.Configuration.parse(configurationFile)
     }
 
     override fun run() {

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

@@ -1,8 +1,8 @@
-package net.woggioni.gbcs.cli.impl.commands
+package net.woggioni.rbcs.cli.impl.commands
 
-import net.woggioni.gbcs.common.contextLogger
-import net.woggioni.gbcs.cli.impl.GbcsCommand
-import net.woggioni.gbcs.client.GbcsClient
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.client.RemoteBuildCacheClient
+import net.woggioni.rbcs.common.contextLogger
 import picocli.CommandLine
 import java.nio.file.Files
 import java.nio.file.Path
@@ -12,7 +12,7 @@ import java.nio.file.Path
     description = ["Fetch a value from the cache with the specified key"],
     showDefaultValues = true
 )
-class GetCommand : GbcsCommand() {
+class GetCommand : RbcsCommand() {
     private val log = contextLogger()
 
     @CommandLine.Spec
@@ -38,7 +38,7 @@ class GetCommand : GbcsCommand() {
             clientCommand.configuration.profiles[profileName]
                 ?: throw IllegalArgumentException("Profile $profileName does not exist in configuration")
         }
-        GbcsClient(profile).use { client ->
+        RemoteBuildCacheClient(profile).use { client ->
             client.get(key).thenApply { value ->
                 value?.let {
                     (output?.let(Files::newOutputStream) ?: System.out).use {

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

@@ -0,0 +1,45 @@
+package net.woggioni.rbcs.cli.impl.commands
+
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.client.RemoteBuildCacheClient
+import net.woggioni.rbcs.common.contextLogger
+import picocli.CommandLine
+import java.security.SecureRandom
+import kotlin.random.Random
+
+@CommandLine.Command(
+    name = "health",
+    description = ["Check server health"],
+    showDefaultValues = true
+)
+class HealthCheckCommand : RbcsCommand() {
+    private val log = contextLogger()
+
+    @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")
+        }
+        RemoteBuildCacheClient(profile).use { client ->
+            val random = Random(SecureRandom.getInstance("NativePRNGNonBlocking").nextLong())
+            val nonce = ByteArray(0xa0)
+            random.nextBytes(nonce)
+            client.healthCheck(nonce).thenApply { value ->
+                if(value == null) {
+                    throw IllegalStateException("Empty response from server")
+                }
+                for(i in 0 until nonce.size) {
+                    for(j in value.size - nonce.size until nonce.size) {
+                        if(nonce[i] != value[j]) {
+                            throw IllegalStateException("Server nonce does not match")
+                        }
+                    }
+                }
+            }.get()
+        }
+    }
+}

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

@@ -1,8 +1,8 @@
-package net.woggioni.gbcs.cli.impl.commands
+package net.woggioni.rbcs.cli.impl.commands
 
-import net.woggioni.gbcs.common.PasswordSecurity.hashPassword
-import net.woggioni.gbcs.cli.impl.GbcsCommand
-import net.woggioni.gbcs.cli.impl.converters.OutputStreamConverter
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.cli.impl.converters.OutputStreamConverter
+import net.woggioni.rbcs.common.PasswordSecurity.hashPassword
 import net.woggioni.jwo.UncloseableOutputStream
 import picocli.CommandLine
 import java.io.OutputStream
@@ -12,10 +12,10 @@ import java.io.PrintWriter
 
 @CommandLine.Command(
     name = "password",
-    description = ["Generate a password hash to add to GBCS configuration file"],
+    description = ["Generate a password hash to add to RBCS configuration file"],
     showDefaultValues = true
 )
-class PasswordHashCommand : GbcsCommand() {
+class PasswordHashCommand : RbcsCommand() {
     @CommandLine.Option(
         names = ["-o", "--output-file"],
         description = ["Write the output to a file instead of stdout"],

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

@@ -1,9 +1,9 @@
-package net.woggioni.gbcs.cli.impl.commands
+package net.woggioni.rbcs.cli.impl.commands
 
-import net.woggioni.gbcs.common.contextLogger
-import net.woggioni.gbcs.cli.impl.GbcsCommand
-import net.woggioni.gbcs.cli.impl.converters.InputStreamConverter
-import net.woggioni.gbcs.client.GbcsClient
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.cli.impl.converters.InputStreamConverter
+import net.woggioni.rbcs.client.RemoteBuildCacheClient
+import net.woggioni.rbcs.common.contextLogger
 import picocli.CommandLine
 import java.io.InputStream
 
@@ -12,7 +12,7 @@ import java.io.InputStream
     description = ["Add or replace a value to the cache with the specified key"],
     showDefaultValues = true
 )
-class PutCommand : GbcsCommand() {
+class PutCommand : RbcsCommand() {
     private val log = contextLogger()
 
     @CommandLine.Spec
@@ -39,7 +39,7 @@ class PutCommand : GbcsCommand() {
             clientCommand.configuration.profiles[profileName]
                 ?: throw IllegalArgumentException("Profile $profileName does not exist in configuration")
         }
-        GbcsClient(profile).use { client ->
+        RemoteBuildCacheClient(profile).use { client ->
             value.use {
                 client.put(key, it.readAllBytes())
             }.get()

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

@@ -1,25 +1,26 @@
-package net.woggioni.gbcs.cli.impl.commands
+package net.woggioni.rbcs.cli.impl.commands
 
-import net.woggioni.gbcs.server.GradleBuildCacheServer
-import net.woggioni.gbcs.server.GradleBuildCacheServer.Companion.DEFAULT_CONFIGURATION_URL
-import net.woggioni.gbcs.api.Configuration
-import net.woggioni.gbcs.common.contextLogger
-import net.woggioni.gbcs.common.debug
-import net.woggioni.gbcs.common.info
-import net.woggioni.gbcs.cli.impl.GbcsCommand
+import net.woggioni.rbcs.cli.impl.RbcsCommand
+import net.woggioni.rbcs.cli.impl.converters.DurationConverter
+import net.woggioni.rbcs.common.contextLogger
+import net.woggioni.rbcs.common.debug
+import net.woggioni.rbcs.common.info
+import net.woggioni.rbcs.server.RemoteBuildCacheServer
+import net.woggioni.rbcs.server.RemoteBuildCacheServer.Companion.DEFAULT_CONFIGURATION_URL
 import net.woggioni.jwo.Application
 import net.woggioni.jwo.JWO
 import picocli.CommandLine
 import java.io.ByteArrayOutputStream
 import java.nio.file.Files
 import java.nio.file.Path
+import java.time.Duration
 
 @CommandLine.Command(
     name = "server",
-    description = ["GBCS server"],
+    description = ["RBCS server"],
     showDefaultValues = true
 )
-class ServerCommand(app : Application) : GbcsCommand() {
+class ServerCommand(app : Application) : RbcsCommand() {
 
     private val log = contextLogger()
 
@@ -35,16 +36,20 @@ class ServerCommand(app : Application) : GbcsCommand() {
         }
     }
 
+    @CommandLine.Option(
+        names = ["-t", "--timeout"],
+        description = ["Exit after the specified time"],
+        paramLabel = "TIMEOUT",
+        converter = [DurationConverter::class]
+    )
+    private var timeout: Duration? = null
+
     @CommandLine.Option(
         names = ["-c", "--config-file"],
         description = ["Read the application configuration from this file"],
         paramLabel = "CONFIG_FILE"
     )
-    private var configurationFile: Path = findConfigurationFile(app, "gbcs-server.xml")
-
-    val configuration : Configuration by lazy {
-        GradleBuildCacheServer.loadConfiguration(configurationFile)
-    }
+    private var configurationFile: Path = findConfigurationFile(app, "rbcs-server.xml")
 
     override fun run() {
         if (!Files.exists(configurationFile)) {
@@ -52,16 +57,20 @@ class ServerCommand(app : Application) : GbcsCommand() {
             createDefaultConfigurationFile(configurationFile)
         }
 
-        val configuration = GradleBuildCacheServer.loadConfiguration(configurationFile)
+        val configuration = RemoteBuildCacheServer.loadConfiguration(configurationFile)
         log.debug {
             ByteArrayOutputStream().also {
-                GradleBuildCacheServer.dumpConfiguration(configuration, it)
+                RemoteBuildCacheServer.dumpConfiguration(configuration, it)
             }.let {
                 "Server configuration:\n${String(it.toByteArray())}"
             }
         }
-        val server = GradleBuildCacheServer(configuration)
-        server.run().use {
+        val server = RemoteBuildCacheServer(configuration)
+        server.run().use { server ->
+            timeout?.let {
+                Thread.sleep(it)
+                server.shutdown()
+            }
         }
     }
 }

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

@@ -0,0 +1,11 @@
+package net.woggioni.rbcs.cli.impl.converters
+
+import picocli.CommandLine
+import java.time.Duration
+
+
+class DurationConverter : CommandLine.ITypeConverter<Duration> {
+    override fun convert(value: String): Duration {
+        return Duration.parse(value)
+    }
+}

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.cli.impl.converters
+package net.woggioni.rbcs.cli.impl.converters
 
 import picocli.CommandLine
 import java.io.InputStream

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.cli.impl.converters
+package net.woggioni.rbcs.cli.impl.converters
 
 import picocli.CommandLine
 import java.io.OutputStream

rbcs-cli/src/main/resources/net/woggioni/rbcs/cli/logback.xml

@@ -15,7 +15,4 @@
     <root level="info">
         <appender-ref ref="console"/>
     </root>
-    <logger name="io.netty" level="debug"/>
-    <logger name="com.google.code.yanf4j" level="warn"/>
-    <logger name="net.rubyeye.xmemcached" level="warn"/>
 </configuration>

rbcs-client/build.gradle

@@ -0,0 +1,19 @@
+plugins {
+    id 'java-library'
+    alias catalog.plugins.kotlin.jvm
+}
+
+dependencies {
+    implementation project(':rbcs-api')
+    implementation project(':rbcs-common')
+    implementation catalog.slf4j.api
+    implementation catalog.netty.buffer
+    implementation catalog.netty.handler
+    implementation catalog.netty.transport
+    implementation catalog.netty.common
+    implementation catalog.netty.codec.http
+
+    testRuntimeOnly catalog.logback.classic
+}
+
+

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

@@ -1,4 +1,4 @@
-module net.woggioni.gbcs.client {
+module net.woggioni.rbcs.client {
     requires io.netty.handler;
     requires io.netty.codec.http;
     requires io.netty.transport;
@@ -6,12 +6,12 @@ module net.woggioni.gbcs.client {
     requires io.netty.common;
     requires io.netty.buffer;
     requires java.xml;
-    requires net.woggioni.gbcs.common;
-    requires net.woggioni.gbcs.api;
+    requires net.woggioni.rbcs.common;
+    requires net.woggioni.rbcs.api;
     requires io.netty.codec;
     requires org.slf4j;
 
-    exports net.woggioni.gbcs.client;
+    exports net.woggioni.rbcs.client;
 
-    opens net.woggioni.gbcs.client.schema;
+    opens net.woggioni.rbcs.client.schema;
 }

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.client
+package net.woggioni.rbcs.client
 
 import io.netty.bootstrap.Bootstrap
 import io.netty.buffer.ByteBuf
@@ -30,23 +30,25 @@ import io.netty.handler.ssl.SslContextBuilder
 import io.netty.handler.stream.ChunkedWriteHandler
 import io.netty.util.concurrent.Future
 import io.netty.util.concurrent.GenericFutureListener
-import net.woggioni.gbcs.common.Xml
-import net.woggioni.gbcs.common.contextLogger
-import net.woggioni.gbcs.common.debug
-import net.woggioni.gbcs.client.impl.Parser
+import net.woggioni.rbcs.client.impl.Parser
+import net.woggioni.rbcs.common.Xml
+import net.woggioni.rbcs.common.contextLogger
+import net.woggioni.rbcs.common.debug
+import net.woggioni.rbcs.common.trace
 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.atomic.AtomicInteger
+import kotlin.random.Random
 import io.netty.util.concurrent.Future as NettyFuture
 
-
-class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
+class RemoteBuildCacheClient(private val profile: Configuration.Profile) : AutoCloseable {
     private val group: NioEventLoopGroup
     private var sslContext: SslContext
     private val log = contextLogger()
@@ -64,10 +66,18 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
             data class BasicAuthenticationCredentials(val username: String, val password: String) : Authentication()
         }
 
+        class RetryPolicy(
+            val maxAttempts: Int,
+            val initialDelayMillis: Long,
+            val exp: Double
+        )
+
         data class Profile(
             val serverURI: URI,
             val authentication: Authentication?,
-            val maxConnections : Int
+            val connectionTimeout: Duration?,
+            val maxConnections: Int,
+            val retryPolicy: RetryPolicy?,
         )
 
         companion object {
@@ -104,6 +114,9 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
             option(ChannelOption.TCP_NODELAY, true)
             option(ChannelOption.SO_KEEPALIVE, true)
             remoteAddress(InetSocketAddress(host, port))
+            profile.connectionTimeout?.let {
+                option(ChannelOption.CONNECT_TIMEOUT_MILLIS, it.toMillis().toInt())
+            }
         }
         val channelPoolHandler = object : AbstractChannelPoolHandler() {
 
@@ -114,20 +127,29 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
             private var leaseCount = AtomicInteger()
 
             override fun channelReleased(ch: Channel) {
-                log.debug {
-                    "Released lease ${leaseCount.decrementAndGet()}"
+                val activeLeases = leaseCount.decrementAndGet()
+                log.trace {
+                    "Released channel ${ch.id().asShortText()}, number of active leases: $activeLeases"
                 }
             }
 
-            override fun channelAcquired(ch: Channel?) {
-                log.debug {
-                    "Acquired lease ${leaseCount.getAndIncrement()}"
+            override fun channelAcquired(ch: Channel) {
+                val activeLeases = leaseCount.getAndIncrement()
+                log.trace {
+                    "Acquired channel ${ch.id().asShortText()}, number of active leases: $activeLeases"
                 }
             }
 
             override fun channelCreated(ch: Channel) {
+                val connectionId = connectionCount.getAndIncrement()
                 log.debug {
-                    "Created connection ${connectionCount.getAndIncrement()}"
+                    "Created connection $connectionId, total number of active connections: $connectionId"
+                }
+                ch.closeFuture().addListener {
+                    val activeConnections = connectionCount.decrementAndGet()
+                    log.debug {
+                        "Closed connection $connectionId, total number of active connections: $activeConnections"
+                    }
                 }
                 val pipeline: ChannelPipeline = ch.pipeline()
 
@@ -139,16 +161,82 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
                 // HTTP handlers
                 pipeline.addLast("codec", HttpClientCodec())
                 pipeline.addLast("decompressor", HttpContentDecompressor())
-                pipeline.addLast("aggregator", HttpObjectAggregator(1048576))
+                pipeline.addLast("aggregator", HttpObjectAggregator(134217728))
                 pipeline.addLast("chunked", ChunkedWriteHandler())
             }
         }
         pool = FixedChannelPool(bootstrap, channelPoolHandler, profile.maxConnections)
     }
 
+    private fun executeWithRetry(operation: () -> CompletableFuture<FullHttpResponse>): CompletableFuture<FullHttpResponse> {
+        val retryPolicy = profile.retryPolicy
+        return if (retryPolicy != null) {
+            val outcomeHandler = OutcomeHandler<FullHttpResponse> { outcome ->
+                when (outcome) {
+                    is OperationOutcome.Success -> {
+                        val response = outcome.result
+                        val status = response.status()
+                        when (status) {
+                            HttpResponseStatus.TOO_MANY_REQUESTS -> {
+                                val retryAfter = response.headers()[HttpHeaderNames.RETRY_AFTER]?.let { headerValue ->
+                                    try {
+                                        headerValue.toLong() * 1000
+                                    } catch (nfe: NumberFormatException) {
+                                        null
+                                    }
+                                }
+                                OutcomeHandlerResult.Retry(retryAfter)
+                            }
+
+                            HttpResponseStatus.INTERNAL_SERVER_ERROR, HttpResponseStatus.SERVICE_UNAVAILABLE ->
+                                OutcomeHandlerResult.Retry()
+
+                            else -> OutcomeHandlerResult.DoNotRetry()
+                        }
+                    }
+
+                    is OperationOutcome.Failure -> {
+                        OutcomeHandlerResult.Retry()
+                    }
+                }
+            }
+            executeWithRetry(
+                group,
+                retryPolicy.maxAttempts,
+                retryPolicy.initialDelayMillis.toDouble(),
+                retryPolicy.exp,
+                outcomeHandler,
+                Random.Default,
+                operation
+            )
+        } else {
+            operation()
+        }
+    }
+
+    fun healthCheck(nonce: ByteArray): CompletableFuture<ByteArray?> {
+        return executeWithRetry {
+            sendRequest(profile.serverURI, HttpMethod.TRACE, nonce)
+        }.thenApply {
+            val status = it.status()
+            if (it.status() != HttpResponseStatus.OK) {
+                throw HttpException(status)
+            } else {
+                it.content()
+            }
+        }.thenApply { maybeByteBuf ->
+            maybeByteBuf?.let {
+                val result = ByteArray(it.readableBytes())
+                it.getBytes(0, result)
+                result
+            }
+        }
+    }
+
     fun get(key: String): CompletableFuture<ByteArray?> {
-        return sendRequest(profile.serverURI.resolve(key), HttpMethod.GET, null)
-            .thenApply {
+        return executeWithRetry {
+            sendRequest(profile.serverURI.resolve(key), HttpMethod.GET, null)
+        }.thenApply {
             val status = it.status()
             if (it.status() == HttpResponseStatus.NOT_FOUND) {
                 null
@@ -167,9 +255,11 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
     }
 
     fun put(key: String, content: ByteArray): CompletableFuture<Unit> {
-        return sendRequest(profile.serverURI.resolve(key), HttpMethod.PUT, content).thenApply {
+        return executeWithRetry {
+            sendRequest(profile.serverURI.resolve(key), HttpMethod.PUT, content)
+        }.thenApply {
             val status = it.status()
-            if (it.status() != HttpResponseStatus.CREATED) {
+            if (it.status() != HttpResponseStatus.CREATED && it.status() != HttpResponseStatus.OK) {
                 throw HttpException(status)
             }
         }
@@ -188,9 +278,9 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
                             ctx: ChannelHandlerContext,
                             response: FullHttpResponse
                         ) {
-                            responseFuture.complete(response)
                             pipeline.removeLast()
                             pool.release(channel)
+                            responseFuture.complete(response)
                         }
 
                         override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
@@ -219,7 +309,7 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
                                     set(HttpHeaderNames.CONTENT_LENGTH, content.readableBytes())
                                 }
                                 set(HttpHeaderNames.HOST, profile.serverURI.host)
-                                set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE)
+                                set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE)
                                 set(
                                     HttpHeaderNames.ACCEPT_ENCODING,
                                     HttpHeaderValues.GZIP.toString() + "," + HttpHeaderValues.DEFLATE.toString()
@@ -237,6 +327,8 @@ class GbcsClient(private val profile: Configuration.Profile) : AutoCloseable {
                     // Set headers
                     // Send the request
                     channel.writeAndFlush(request)
+                } else {
+                    responseFuture.completeExceptionally(channelFuture.cause())
                 }
             }
         })

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.client
+package net.woggioni.rbcs.client
 
 import io.netty.handler.codec.http.HttpResponseStatus
 

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

@@ -0,0 +1,108 @@
+package net.woggioni.rbcs.client.impl
+
+import net.woggioni.rbcs.api.exception.ConfigurationException
+import net.woggioni.rbcs.client.RemoteBuildCacheClient
+import net.woggioni.rbcs.common.Xml.Companion.asIterable
+import net.woggioni.rbcs.common.Xml.Companion.renderAttribute
+import org.w3c.dom.Document
+import java.net.URI
+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
+
+object Parser {
+
+    fun parse(document: Document): RemoteBuildCacheClient.Configuration {
+        val root = document.documentElement
+        val profiles = mutableMapOf<String, RemoteBuildCacheClient.Configuration.Profile>()
+
+        for (child in root.asIterable()) {
+            val tagName = child.localName
+            when (tagName) {
+                "profile" -> {
+                    val name =
+                        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
+                    for (gchild in child.asIterable()) {
+                        when (gchild.localName) {
+                            "tls-client-auth" -> {
+                                val keyStoreFile = gchild.renderAttribute("key-store-file")
+                                val keyStorePassword =
+                                    gchild.renderAttribute("key-store-password")
+                                val keyAlias = gchild.renderAttribute("key-alias")
+                                val keyPassword = gchild.renderAttribute("key-password")
+
+                                val keystore = KeyStore.getInstance("PKCS12").apply {
+                                    Files.newInputStream(Path.of(keyStoreFile)).use {
+                                        load(it, keyStorePassword?.toCharArray())
+                                    }
+                                }
+                                val key = keystore.getKey(keyAlias, keyPassword?.toCharArray()) as PrivateKey
+                                val certChain = keystore.getCertificateChain(keyAlias).asSequence()
+                                    .map { it as X509Certificate }
+                                    .toList()
+                                    .toTypedArray()
+                                authentication =
+                                    RemoteBuildCacheClient.Configuration.Authentication.TlsClientAuthenticationCredentials(
+                                        key,
+                                        certChain
+                                    )
+                            }
+
+                            "basic-auth" -> {
+                                val username = gchild.renderAttribute("user")
+                                    ?: throw ConfigurationException("username attribute is required")
+                                val password = gchild.renderAttribute("password")
+                                    ?: throw ConfigurationException("password attribute is required")
+                                authentication =
+                                    RemoteBuildCacheClient.Configuration.Authentication.BasicAuthenticationCredentials(
+                                        username,
+                                        password
+                                    )
+                            }
+
+                            "retry-policy" -> {
+                                val maxAttempts =
+                                    gchild.renderAttribute("max-attempts")
+                                        ?.let(String::toInt)
+                                        ?: throw ConfigurationException("max-attempts attribute is required")
+                                val initialDelay =
+                                    gchild.renderAttribute("initial-delay")
+                                        ?.let(Duration::parse)
+                                        ?: Duration.ofSeconds(1)
+                                val exp =
+                                    gchild.renderAttribute("exp")
+                                        ?.let(String::toDouble)
+                                        ?: 2.0f
+                                retryPolicy = RemoteBuildCacheClient.Configuration.RetryPolicy(
+                                    maxAttempts,
+                                    initialDelay.toMillis(),
+                                    exp.toDouble()
+                                )
+                            }
+                        }
+                    }
+                    val maxConnections = child.renderAttribute("max-connections")
+                        ?.let(String::toInt)
+                        ?: 50
+                    val connectionTimeout = child.renderAttribute("connection-timeout")
+                        ?.let(Duration::parse)
+                    profiles[name] = RemoteBuildCacheClient.Configuration.Profile(
+                        uri,
+                        authentication,
+                        connectionTimeout,
+                        maxConnections,
+                        retryPolicy
+                    )
+                }
+            }
+        }
+        return RemoteBuildCacheClient.Configuration(profiles)
+    }
+}

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

@@ -0,0 +1,79 @@
+package net.woggioni.rbcs.client
+
+import io.netty.util.concurrent.EventExecutorGroup
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.TimeUnit
+import kotlin.math.pow
+import kotlin.random.Random
+
+sealed class OperationOutcome<T> {
+    class Success<T>(val result: T) : OperationOutcome<T>()
+    class Failure<T>(val ex: Throwable) : OperationOutcome<T>()
+}
+
+sealed class OutcomeHandlerResult {
+    class Retry(val suggestedDelayMillis: Long? = null) : OutcomeHandlerResult()
+    class DoNotRetry : OutcomeHandlerResult()
+}
+
+fun interface OutcomeHandler<T> {
+    fun shouldRetry(result: OperationOutcome<T>): OutcomeHandlerResult
+}
+
+fun <T> executeWithRetry(
+    eventExecutorGroup: EventExecutorGroup,
+    maxAttempts: Int,
+    initialDelay: Double,
+    exp: Double,
+    outcomeHandler: OutcomeHandler<T>,
+    randomizer : Random?,
+    cb: () -> CompletableFuture<T>
+): CompletableFuture<T> {
+
+    val finalResult = cb()
+    var future = finalResult
+    var shortCircuit = false
+    for (i in 1 until maxAttempts) {
+        future = future.handle { result, ex ->
+            val operationOutcome = if (ex == null) {
+                OperationOutcome.Success(result)
+            } else {
+                OperationOutcome.Failure(ex.cause ?: ex)
+            }
+            if (shortCircuit) {
+                when(operationOutcome) {
+                    is OperationOutcome.Failure -> throw operationOutcome.ex
+                    is OperationOutcome.Success -> CompletableFuture.completedFuture(operationOutcome.result)
+                }
+            } else {
+                when(val outcomeHandlerResult = outcomeHandler.shouldRetry(operationOutcome)) {
+                    is OutcomeHandlerResult.Retry -> {
+                        val res = CompletableFuture<T>()
+                        val delay = run {
+                            val scheduledDelay = (initialDelay * exp.pow(i.toDouble()) * (1.0 + (randomizer?.nextDouble(-0.5, 0.5) ?: 0.0))).toLong()
+                            outcomeHandlerResult.suggestedDelayMillis?.coerceAtMost(scheduledDelay) ?: scheduledDelay
+                        }
+                        eventExecutorGroup.schedule({
+                            cb().handle { result, ex ->
+                                if (ex == null) {
+                                    res.complete(result)
+                                } else {
+                                    res.completeExceptionally(ex)
+                                }
+                            }
+                        }, delay, TimeUnit.MILLISECONDS)
+                        res
+                    }
+                    is OutcomeHandlerResult.DoNotRetry -> {
+                        shortCircuit = true
+                        when(operationOutcome) {
+                            is OperationOutcome.Failure -> throw operationOutcome.ex
+                            is OperationOutcome.Success -> CompletableFuture.completedFuture(operationOutcome.result)
+                        }
+                    }
+                }
+            }
+        }.thenCompose { it }
+    }
+    return future
+}

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

@@ -1,27 +1,34 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<xs:schema targetNamespace="urn:net.woggioni.gbcs.client"
+<xs:schema targetNamespace="urn:net.woggioni.rbcs.client"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
-           xmlns:gbcs-client="urn:net.woggioni.gbcs.client"
+           xmlns:rbcs-client="urn:net.woggioni.rbcs.client"
            elementFormDefault="unqualified"
 >
-    <xs:element name="profiles" type="gbcs-client:profilesType"/>
+    <xs:element name="profiles" type="rbcs-client:profilesType"/>
 
     <xs:complexType name="profilesType">
         <xs:sequence minOccurs="0">
-            <xs:element name="profile" type="gbcs-client:profileType" maxOccurs="unbounded"/>
+            <xs:element name="profile" type="rbcs-client:profileType" maxOccurs="unbounded"/>
         </xs:sequence>
     </xs:complexType>
 
     <xs:complexType name="profileType">
+        <xs:sequence>
             <xs:choice>
-            <xs:element name="basic-auth" type="gbcs-client:basicAuthType"/>
-            <xs:element name="tls-client-auth" type="gbcs-client:tlsClientAuthType"/>
+                <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:choice>
+            <xs:element name="retry-policy" type="rbcs-client:retryType" minOccurs="0"/>
+        </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:complexType>
 
+    <xs:complexType name="noAuthType"/>
+
     <xs:complexType name="basicAuthType">
         <xs:attribute name="user" type="xs:token" use="required"/>
         <xs:attribute name="password" type="xs:string" use="required"/>
@@ -34,4 +41,10 @@
         <xs:attribute name="key-password" type="xs:string" use="optional"/>
     </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:complexType>
+
 </xs:schema>

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

@@ -0,0 +1,148 @@
+package net.woggioni.rbcs.client
+
+import io.netty.util.concurrent.DefaultEventExecutorGroup
+import io.netty.util.concurrent.EventExecutorGroup
+import net.woggioni.rbcs.common.contextLogger
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.extension.ExtensionContext
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.Arguments
+import org.junit.jupiter.params.provider.ArgumentsProvider
+import org.junit.jupiter.params.provider.ArgumentsSource
+import java.util.concurrent.CompletableFuture
+import java.util.stream.Stream
+import kotlin.random.Random
+
+class RetryTest {
+
+    data class TestArgs(
+        val seed: Int,
+        val maxAttempt: Int,
+        val initialDelay: Double,
+        val exp: Double,
+    )
+
+    class TestArguments : ArgumentsProvider {
+        override fun provideArguments(context: ExtensionContext): Stream<out Arguments> {
+            return Stream.of(
+                TestArgs(
+                    seed = 101325,
+                    maxAttempt = 5,
+                    initialDelay = 50.0,
+                    exp = 2.0,
+                ),
+                TestArgs(
+                    seed = 101325,
+                    maxAttempt = 20,
+                    initialDelay = 100.0,
+                    exp = 1.1,
+                ),
+                TestArgs(
+                    seed = 123487,
+                    maxAttempt = 20,
+                    initialDelay = 100.0,
+                    exp = 2.0,
+                ),
+                TestArgs(
+                    seed = 20082024,
+                    maxAttempt = 10,
+                    initialDelay = 100.0,
+                    exp = 2.0,
+                )
+            ).map {
+                object: Arguments {
+                    override fun get() = arrayOf(it)
+                }
+            }
+        }
+    }
+
+    @ArgumentsSource(TestArguments::class)
+    @ParameterizedTest
+    fun test(testArgs: TestArgs) {
+        val log = contextLogger()
+        log.debug("Start")
+        val executor: EventExecutorGroup = DefaultEventExecutorGroup(1)
+        val attempts = mutableListOf<Pair<Long, OperationOutcome<Int>>>()
+        val outcomeHandler = OutcomeHandler<Int> { outcome ->
+            when(outcome) {
+                is OperationOutcome.Success -> {
+                    if(outcome.result % 10 == 0) {
+                        OutcomeHandlerResult.DoNotRetry()
+                    } else {
+                        OutcomeHandlerResult.Retry(null)
+                    }
+                }
+                is OperationOutcome.Failure -> {
+                    when(outcome.ex) {
+                        is IllegalStateException -> {
+                            log.debug(outcome.ex.message, outcome.ex)
+                            OutcomeHandlerResult.Retry(null)
+                        }
+                        else -> {
+                            OutcomeHandlerResult.DoNotRetry()
+                        }
+                    }
+                }
+            }
+        }
+        val random = Random(testArgs.seed)
+
+        val future =
+            executeWithRetry(executor, testArgs.maxAttempt, testArgs.initialDelay, testArgs.exp, outcomeHandler, null) {
+                val now = System.nanoTime()
+                val result = CompletableFuture<Int>()
+                executor.submit {
+                    val n = random.nextInt(0, Integer.MAX_VALUE)
+                    log.debug("Got new number: {}", n)
+                    if(n % 3 == 0) {
+                        val ex = IllegalStateException("Value $n can be divided by 3")
+                        result.completeExceptionally(ex)
+                        attempts += now to OperationOutcome.Failure(ex)
+                    } else if(n % 7 == 0) {
+                        val ex = RuntimeException("Value $n can be divided by 7")
+                        result.completeExceptionally(ex)
+                        attempts += now to OperationOutcome.Failure(ex)
+                    } else {
+                        result.complete(n)
+                        attempts += now to OperationOutcome.Success(n)
+                    }
+                }
+                result
+            }
+        Assertions.assertTrue(attempts.size <= testArgs.maxAttempt)
+        val result = future.handle { res, ex ->
+            if(ex != null) {
+                val err = ex.cause ?: ex
+                log.debug(err.message, err)
+                OperationOutcome.Failure(err)
+            } else {
+                OperationOutcome.Success(res)
+            }
+        }.get()
+        for ((index, attempt) in attempts.withIndex()) {
+            val (timestamp, value) = attempt
+            if (index > 0) {
+                /* Check the delay for subsequent attempts is correct */
+                val previousAttempt = attempts[index - 1]
+                val expectedTimestamp =
+                    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)
+            }
+            if (index == attempts.size - 1 && index < testArgs.maxAttempt - 1) {
+                /*
+                 * If the last attempt index is lower than the maximum number of attempts, then
+                 * check the outcome handler returns DoNotRetry
+                 */
+                Assertions.assertTrue(outcomeHandler.shouldRetry(value) is OutcomeHandlerResult.DoNotRetry)
+            } else if (index < attempts.size - 1) {
+                /*
+                 * If the attempt is not the last attempt check the outcome handler returns Retry
+                 */
+                Assertions.assertTrue(outcomeHandler.shouldRetry(value) is OutcomeHandlerResult.Retry)
+            }
+        }
+    }
+}

rbcs-client/src/test/resources/logback.xml

@@ -15,6 +15,7 @@
     <root level="info">
         <appender-ref ref="console"/>
     </root>
+    <logger name="io.netty" level="info"/>
     <logger name="com.google.code.yanf4j" level="warn"/>
     <logger name="net.rubyeye.xmemcached" level="warn"/>
 </configuration>

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

@@ -0,0 +1,16 @@
+<?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 jms://net.woggioni.rbcs.client/net/woggioni/rbcs/client/schema/rbcs-client.xsd"
+                      >
+    <profile name="profile1" base-url="https://rbcs1.example.com/">
+        <tls-client-auth
+                key-store-file="keystore.pfx"
+                key-store-password="password"
+                key-alias="woggioni@c962475fa38"
+                key-password="key-password"/>
+    </profile>
+    <profile name="profile2" base-url="https://rbcs2.example.com/">
+        <basic-auth user="user" password="password"/>
+    </profile>
+</rbcs-client:profiles>

rbcs-common/build.gradle

@@ -6,9 +6,10 @@ plugins {
 }
 
 dependencies {
-    implementation project(':gbcs-api')
+    implementation project(':rbcs-api')
     implementation catalog.slf4j.api
     implementation catalog.jwo
+    implementation catalog.netty.buffer
 }
 
 publishing {

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

@@ -0,0 +1,11 @@
+module net.woggioni.rbcs.common {
+    requires java.xml;
+    requires java.logging;
+    requires org.slf4j;
+    requires kotlin.stdlib;
+    requires net.woggioni.jwo;
+    requires io.netty.buffer;
+
+    provides java.net.spi.URLStreamHandlerProvider with net.woggioni.rbcs.common.RbcsUrlStreamHandlerFactory;
+    exports net.woggioni.rbcs.common;
+}

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

@@ -0,0 +1,15 @@
+package net.woggioni.rbcs.common
+
+import io.netty.buffer.ByteBuf
+import io.netty.buffer.ByteBufAllocator
+import io.netty.buffer.CompositeByteBuf
+
+fun extractChunk(buf: CompositeByteBuf, alloc: ByteBufAllocator): ByteBuf {
+    val chunk = alloc.compositeBuffer()
+    for (component in buf.decompose(0, buf.readableBytes())) {
+        chunk.addComponent(true, component.retain())
+    }
+    buf.removeComponents(0, buf.numComponents())
+    buf.clear()
+    return chunk
+}

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

@@ -0,0 +1,25 @@
+package net.woggioni.rbcs.common
+
+import io.netty.buffer.ByteBuf
+import java.io.InputStream
+
+class ByteBufInputStream(private val buf : ByteBuf) : InputStream() {
+    override fun read(): Int {
+        return buf.takeIf {
+            it.readableBytes() > 0
+        }?.let(ByteBuf::readByte)
+            ?.let(Byte::toInt) ?: -1
+    }
+
+    override fun read(b: ByteArray, off: Int, len: Int): Int {
+        val readableBytes = buf.readableBytes()
+        if(readableBytes == 0) return -1
+        val result = len.coerceAtMost(readableBytes)
+        buf.readBytes(b, off, result)
+        return result
+    }
+
+    override fun close() {
+        buf.release()
+    }
+}

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

@@ -0,0 +1,18 @@
+package net.woggioni.rbcs.common
+
+import io.netty.buffer.ByteBuf
+import java.io.OutputStream
+
+class ByteBufOutputStream(private val buf : ByteBuf) : OutputStream() {
+    override fun write(b: Int) {
+        buf.writeByte(b)
+    }
+
+    override fun write(b: ByteArray, off: Int, len: Int) {
+        buf.writeBytes(b, off, len)
+    }
+
+    override fun close() {
+        buf.release()
+    }
+}

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

@@ -0,0 +1,7 @@
+package net.woggioni.rbcs.common
+
+class ResourceNotFoundException(msg : String? = null, cause: Throwable? = null) : RuntimeException(msg, cause) {
+}
+
+class ModuleNotFoundException(msg : String? = null, cause: Throwable? = null) : RuntimeException(msg, cause) {
+}

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.common
+package net.woggioni.rbcs.common
 
 
 data class HostAndPort(val host: String, val port: Int = 0) {

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.common
+package net.woggioni.rbcs.common
 
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.common
+package net.woggioni.rbcs.common
 
 import java.security.SecureRandom
 import java.security.spec.KeySpec

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

@@ -0,0 +1,47 @@
+package net.woggioni.rbcs.common
+
+import net.woggioni.jwo.JWO
+import java.net.URI
+import java.net.URL
+import java.security.MessageDigest
+
+object RBCS {
+    fun String.toUrl() : URL = URL.of(URI(this), null)
+
+    const val RBCS_NAMESPACE_URI: String = "urn:net.woggioni.rbcs.server"
+    const val RBCS_PREFIX: String = "rbcs"
+    const val XML_SCHEMA_NAMESPACE_URI = "http://www.w3.org/2001/XMLSchema-instance"
+
+    fun ByteArray.toInt(index : Int = 0) : Long {
+        if(index + 4 > size) throw IllegalArgumentException("Not enough bytes to decode a 32 bits integer")
+        var value : Long = 0
+        for (b in index until index + 4) {
+            value = (value shl 8) + (get(b).toInt() and 0xFF)
+        }
+        return value
+    }
+
+    fun ByteArray.toLong(index : Int = 0) : Long {
+        if(index + 8 > size) throw IllegalArgumentException("Not enough bytes to decode a 64 bits long integer")
+        var value : Long = 0
+        for (b in index until index + 8) {
+            value = (value shl 8) + (get(b).toInt() and 0xFF)
+        }
+        return value
+    }
+
+    fun digest(
+        data: ByteArray,
+        md: MessageDigest = MessageDigest.getInstance("MD5")
+    ): ByteArray {
+        md.update(data)
+        return md.digest()
+    }
+
+    fun digestString(
+        data: ByteArray,
+        md: MessageDigest = MessageDigest.getInstance("MD5")
+    ): String {
+        return JWO.bytesToHex(digest(data, md))
+    }
+}

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

@@ -1,19 +1,18 @@
-package net.woggioni.gbcs.common
+package net.woggioni.rbcs.common
 
 import java.io.IOException
 import java.io.InputStream
 import java.net.URL
 import java.net.URLConnection
 import java.net.URLStreamHandler
-import java.net.URLStreamHandlerFactory
-import java.util.Optional
+import java.net.spi.URLStreamHandlerProvider
 import java.util.concurrent.atomic.AtomicBoolean
 import java.util.stream.Collectors
 
 
-class GbcsUrlStreamHandlerFactory : URLStreamHandlerFactory {
+class RbcsUrlStreamHandlerFactory : URLStreamHandlerProvider() {
 
-    private class ClasspathHandler(private val classLoader: ClassLoader = GbcsUrlStreamHandlerFactory::class.java.classLoader) :
+    private class ClasspathHandler(private val classLoader: ClassLoader = RbcsUrlStreamHandlerFactory::class.java.classLoader) :
         URLStreamHandler() {
 
         override fun openConnection(u: URL): URLConnection? {
@@ -36,13 +35,17 @@ class GbcsUrlStreamHandlerFactory : URLStreamHandlerFactory {
     private class JpmsHandler : URLStreamHandler() {
 
         override fun openConnection(u: URL): URLConnection {
-            val thisModule = javaClass.module
-            val sourceModule = Optional.ofNullable(thisModule)
-                .map { obj: Module -> obj.layer }
-                .flatMap { layer: ModuleLayer ->
             val moduleName = u.host
-                    layer.findModule(moduleName)
-                }.orElse(thisModule)
+            val thisModule = javaClass.module
+            val sourceModule =
+                thisModule
+                ?.let(Module::getLayer)
+                ?.let { layer: ModuleLayer ->
+                    layer.findModule(moduleName).orElse(null)
+                } ?: if(thisModule.layer == null) {
+                    thisModule
+                } else throw ModuleNotFoundException("Module '$moduleName' not found")
+
             return JpmsResourceURLConnection(u, sourceModule)
         }
     }
@@ -53,7 +56,9 @@ class GbcsUrlStreamHandlerFactory : URLStreamHandlerFactory {
 
         @Throws(IOException::class)
         override fun getInputStream(): InputStream {
-            return module.getResourceAsStream(getURL().path)
+            val resource = getURL().path
+            return module.getResourceAsStream(resource)
+                ?: throw ResourceNotFoundException("Resource '$resource' not found in module '${module.name}'")
         }
     }
 
@@ -82,12 +87,12 @@ class GbcsUrlStreamHandlerFactory : URLStreamHandlerFactory {
         private val installed = AtomicBoolean(false)
         fun install() {
             if (!installed.getAndSet(true)) {
-                URL.setURLStreamHandlerFactory(GbcsUrlStreamHandlerFactory())
+                URL.setURLStreamHandlerFactory(RbcsUrlStreamHandlerFactory())
             }
         }
 
         private val packageMap: Map<String, List<Module>> by lazy {
-            GbcsUrlStreamHandlerFactory::class.java.module.layer
+            RbcsUrlStreamHandlerFactory::class.java.module.layer
                 .modules()
                 .stream()
                 .flatMap { m: Module ->

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

@@ -1,4 +1,4 @@
-package net.woggioni.gbcs.common
+package net.woggioni.rbcs.common
 
 import net.woggioni.jwo.JWO
 import org.slf4j.LoggerFactory

rbcs-common/src/main/resources/META-INF/services/java.net.spi.URLStreamHandlerProvider

@@ -0,0 +1 @@
+net.woggioni.rbcs.common.RbcsUrlStreamHandlerFactory

rbcs-server-memcache/build.gradle

@@ -6,10 +6,10 @@ plugins {
 
 configurations {
     bundle {
-        extendsFrom runtimeClasspath
         canBeResolved = true
         canBeConsumed = false
         visible = false
+        transitive = false
 
         resolutionStrategy {
             dependencies {
@@ -29,10 +29,21 @@ configurations {
 }
 
 dependencies {
-    compileOnly project(':gbcs-common')
-    compileOnly project(':gbcs-api')
-    compileOnly catalog.jwo
-    implementation catalog.xmemcached
+    implementation project(':rbcs-common')
+    implementation project(':rbcs-api')
+    implementation catalog.jwo
+    implementation catalog.slf4j.api
+    implementation catalog.netty.common
+    implementation catalog.netty.handler
+    implementation catalog.netty.codec.memcache
+
+    bundle catalog.netty.codec.memcache
+
+    testRuntimeOnly catalog.logback.classic
+}
+
+tasks.named(JavaPlugin.TEST_TASK_NAME, Test) {
+    systemProperty("io.netty.leakDetectionLevel", "PARANOID")
 }
 
 Provider<Tar> bundleTask = tasks.register("bundle", Tar) {

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

@@ -0,0 +1,20 @@
+import net.woggioni.rbcs.api.CacheProvider;
+
+module net.woggioni.rbcs.server.memcache {
+    requires net.woggioni.rbcs.common;
+    requires net.woggioni.rbcs.api;
+    requires net.woggioni.jwo;
+    requires java.xml;
+    requires kotlin.stdlib;
+    requires io.netty.transport;
+    requires io.netty.codec;
+    requires io.netty.codec.memcache;
+    requires io.netty.common;
+    requires io.netty.buffer;
+    requires io.netty.handler;
+    requires org.slf4j;
+
+    provides CacheProvider with net.woggioni.rbcs.server.memcache.MemcacheCacheProvider;
+
+    opens net.woggioni.rbcs.server.memcache.schema;
+}

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

@@ -0,0 +1,4 @@
+package net.woggioni.rbcs.server.memcache
+
+class MemcacheException(status : Short, msg : String? = null, cause : Throwable? = null)
+    : RuntimeException(msg ?: "Memcached status $status", cause)

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

@@ -0,0 +1,235 @@
+package net.woggioni.rbcs.server.memcache
+
+import io.netty.buffer.ByteBufAllocator
+import io.netty.buffer.Unpooled
+import io.netty.handler.codec.memcache.binary.BinaryMemcacheOpcodes
+import io.netty.handler.codec.memcache.binary.BinaryMemcacheResponseStatus
+import io.netty.handler.codec.memcache.binary.DefaultBinaryMemcacheRequest
+import net.woggioni.rbcs.api.Cache
+import net.woggioni.rbcs.api.RequestHandle
+import net.woggioni.rbcs.api.ResponseHandle
+import net.woggioni.rbcs.api.event.RequestStreamingEvent
+import net.woggioni.rbcs.api.event.ResponseStreamingEvent
+import net.woggioni.rbcs.api.exception.ContentTooLargeException
+import net.woggioni.rbcs.common.ByteBufOutputStream
+import net.woggioni.rbcs.common.RBCS.digest
+import net.woggioni.rbcs.common.contextLogger
+import net.woggioni.rbcs.common.debug
+import net.woggioni.rbcs.common.extractChunk
+import net.woggioni.rbcs.server.memcache.client.MemcacheClient
+import net.woggioni.rbcs.server.memcache.client.MemcacheResponseHandle
+import net.woggioni.rbcs.server.memcache.client.StreamingRequestEvent
+import net.woggioni.rbcs.server.memcache.client.StreamingResponseEvent
+import java.security.MessageDigest
+import java.time.Duration
+import java.time.Instant
+import java.util.concurrent.CompletableFuture
+import java.util.zip.Deflater
+import java.util.zip.DeflaterOutputStream
+import java.util.zip.Inflater
+import java.util.zip.InflaterOutputStream
+
+class MemcacheCache(private val cfg: MemcacheCacheConfiguration) : Cache {
+
+    companion object {
+        @JvmStatic
+        private val log = contextLogger()
+    }
+
+    private val memcacheClient = MemcacheClient(cfg)
+
+    override fun get(key: String, responseHandle: ResponseHandle, alloc: ByteBufAllocator) {
+        val compressionMode = cfg.compressionMode
+        val buf = alloc.compositeBuffer()
+        val stream = ByteBufOutputStream(buf).let { outputStream ->
+            if (compressionMode != null) {
+                when (compressionMode) {
+                    MemcacheCacheConfiguration.CompressionMode.DEFLATE -> {
+                        InflaterOutputStream(
+                            outputStream,
+                            Inflater()
+                        )
+                    }
+                }
+            } else {
+                outputStream
+            }
+        }
+        val memcacheResponseHandle = object : MemcacheResponseHandle {
+            override fun handleEvent(evt: StreamingResponseEvent) {
+                when (evt) {
+                    is StreamingResponseEvent.ResponseReceived -> {
+                        if (evt.response.status() == BinaryMemcacheResponseStatus.SUCCESS) {
+                            responseHandle.handleEvent(ResponseStreamingEvent.RESPONSE_RECEIVED)
+                        } else if (evt.response.status() == BinaryMemcacheResponseStatus.KEY_ENOENT) {
+                            responseHandle.handleEvent(ResponseStreamingEvent.NOT_FOUND)
+                        } else {
+                            responseHandle.handleEvent(ResponseStreamingEvent.ExceptionCaught(MemcacheException(evt.response.status())))
+                        }
+                    }
+
+                    is StreamingResponseEvent.LastContentReceived -> {
+                        evt.content.content().let { content ->
+                            content.readBytes(stream, content.readableBytes())
+                        }
+                        buf.retain()
+                        stream.close()
+                        val chunk = extractChunk(buf, alloc)
+                        buf.release()
+                        responseHandle.handleEvent(
+                            ResponseStreamingEvent.LastChunkReceived(
+                                chunk
+                            )
+                        )
+                    }
+
+                    is StreamingResponseEvent.ContentReceived -> {
+                        evt.content.content().let { content ->
+                            content.readBytes(stream, content.readableBytes())
+                        }
+                        if (buf.readableBytes() >= cfg.chunkSize) {
+                            val chunk = extractChunk(buf, alloc)
+                            responseHandle.handleEvent(ResponseStreamingEvent.ChunkReceived(chunk))
+                        }
+                    }
+
+                    is StreamingResponseEvent.ExceptionCaught -> {
+                        responseHandle.handleEvent(ResponseStreamingEvent.ExceptionCaught(evt.exception))
+                    }
+                }
+            }
+        }
+        memcacheClient.sendRequest(Unpooled.wrappedBuffer(key.toByteArray()), memcacheResponseHandle)
+            .thenApply { memcacheRequestHandle ->
+                val request = (cfg.digestAlgorithm
+                    ?.let(MessageDigest::getInstance)
+                    ?.let { md ->
+                        digest(key.toByteArray(), md)
+                    } ?: key.toByteArray(Charsets.UTF_8)
+                        ).let { digest ->
+                        DefaultBinaryMemcacheRequest(Unpooled.wrappedBuffer(digest)).apply {
+                            setOpcode(BinaryMemcacheOpcodes.GET)
+                        }
+                    }
+                memcacheRequestHandle.handleEvent(StreamingRequestEvent.SendRequest(request))
+            }.exceptionally { ex ->
+                responseHandle.handleEvent(ResponseStreamingEvent.ExceptionCaught(ex))
+            }
+    }
+
+    private fun encodeExpiry(expiry: Duration): Int {
+        val expirySeconds = expiry.toSeconds()
+        return expirySeconds.toInt().takeIf { it.toLong() == expirySeconds }
+            ?: Instant.ofEpochSecond(expirySeconds).epochSecond.toInt()
+    }
+
+    override fun put(
+        key: String,
+        responseHandle: ResponseHandle,
+        alloc: ByteBufAllocator
+    ): CompletableFuture<RequestHandle> {
+        val memcacheResponseHandle = object : MemcacheResponseHandle {
+            override fun handleEvent(evt: StreamingResponseEvent) {
+                when (evt) {
+                    is StreamingResponseEvent.ResponseReceived -> {
+                        when (evt.response.status()) {
+                            BinaryMemcacheResponseStatus.SUCCESS -> {
+                                responseHandle.handleEvent(ResponseStreamingEvent.RESPONSE_RECEIVED)
+                            }
+
+                            BinaryMemcacheResponseStatus.KEY_ENOENT -> {
+                                responseHandle.handleEvent(ResponseStreamingEvent.NOT_FOUND)
+                            }
+
+                            BinaryMemcacheResponseStatus.E2BIG -> {
+                                responseHandle.handleEvent(
+                                    ResponseStreamingEvent.ExceptionCaught(
+                                        ContentTooLargeException("Request payload is too big", null)
+                                    )
+                                )
+                            }
+
+                            else -> {
+                                responseHandle.handleEvent(ResponseStreamingEvent.ExceptionCaught(MemcacheException(evt.response.status())))
+                            }
+                        }
+                    }
+
+                    is StreamingResponseEvent.LastContentReceived -> {
+                        responseHandle.handleEvent(
+                            ResponseStreamingEvent.LastChunkReceived(
+                                evt.content.content().retain()
+                            )
+                        )
+                    }
+
+                    is StreamingResponseEvent.ContentReceived -> {
+                        responseHandle.handleEvent(ResponseStreamingEvent.ChunkReceived(evt.content.content().retain()))
+                    }
+
+                    is StreamingResponseEvent.ExceptionCaught -> {
+                        responseHandle.handleEvent(ResponseStreamingEvent.ExceptionCaught(evt.exception))
+                    }
+                }
+            }
+        }
+        val result: CompletableFuture<RequestHandle> =
+            memcacheClient.sendRequest(Unpooled.wrappedBuffer(key.toByteArray()), memcacheResponseHandle)
+                .thenApply { memcacheRequestHandle ->
+                    val request = (cfg.digestAlgorithm
+                        ?.let(MessageDigest::getInstance)
+                        ?.let { md ->
+                            digest(key.toByteArray(), md)
+                        } ?: key.toByteArray(Charsets.UTF_8)).let { digest ->
+                        val extras = Unpooled.buffer(8, 8)
+                        extras.writeInt(0)
+                        extras.writeInt(encodeExpiry(cfg.maxAge))
+                        DefaultBinaryMemcacheRequest(Unpooled.wrappedBuffer(digest), extras).apply {
+                            setOpcode(BinaryMemcacheOpcodes.SET)
+                        }
+                    }
+//                    memcacheRequestHandle.handleEvent(StreamingRequestEvent.SendRequest(request))
+                    val compressionMode = cfg.compressionMode
+                    val buf = alloc.heapBuffer()
+                    val stream = ByteBufOutputStream(buf).let { outputStream ->
+                        if (compressionMode != null) {
+                            when (compressionMode) {
+                                MemcacheCacheConfiguration.CompressionMode.DEFLATE -> {
+                                    DeflaterOutputStream(
+                                        outputStream,
+                                        Deflater(Deflater.DEFAULT_COMPRESSION, false)
+                                    )
+                                }
+                            }
+                        } else {
+                            outputStream
+                        }
+                    }
+                    RequestHandle { evt ->
+                        when (evt) {
+                            is RequestStreamingEvent.LastChunkReceived -> {
+                                evt.chunk.readBytes(stream, evt.chunk.readableBytes())
+                                buf.retain()
+                                stream.close()
+                                request.setTotalBodyLength(buf.readableBytes() + request.keyLength() + request.extrasLength())
+                                memcacheRequestHandle.handleEvent(StreamingRequestEvent.SendRequest(request))
+                                memcacheRequestHandle.handleEvent(StreamingRequestEvent.SendLastChunk(buf))
+                            }
+
+                            is RequestStreamingEvent.ChunkReceived -> {
+                                evt.chunk.readBytes(stream, evt.chunk.readableBytes())
+                            }
+
+                            is RequestStreamingEvent.ExceptionCaught -> {
+                                stream.close()
+                            }
+                        }
+                    }
+                }
+        return result
+    }
+
+    override fun close() {
+        memcacheClient.close()
+    }
+}

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

@@ -0,0 +1,36 @@
+package net.woggioni.rbcs.server.memcache
+
+import net.woggioni.rbcs.api.Configuration
+import net.woggioni.rbcs.common.HostAndPort
+import java.time.Duration
+
+data class MemcacheCacheConfiguration(
+    val servers: List<Server>,
+    val maxAge: Duration = Duration.ofDays(1),
+    val maxSize: Int = 0x100000,
+    val digestAlgorithm: String? = null,
+    val compressionMode: CompressionMode? = null,
+    val chunkSize : Int
+) : Configuration.Cache {
+
+    enum class CompressionMode {
+        /**
+         * Deflate mode
+         */
+        DEFLATE
+    }
+
+    data class Server(
+        val endpoint : HostAndPort,
+        val connectionTimeoutMillis : Int?,
+        val maxConnections : Int
+    )
+
+
+    override fun materialize() = MemcacheCache(this)
+
+    override fun getNamespaceURI() = "urn:net.woggioni.rbcs.server.memcache"
+
+    override fun getTypeName() = "memcacheCacheType"
+}
+

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

@@ -0,0 +1,103 @@
+package net.woggioni.rbcs.server.memcache
+
+import net.woggioni.rbcs.api.CacheProvider
+import net.woggioni.rbcs.api.exception.ConfigurationException
+import net.woggioni.rbcs.common.RBCS
+import net.woggioni.rbcs.common.HostAndPort
+import net.woggioni.rbcs.common.Xml
+import net.woggioni.rbcs.common.Xml.Companion.asIterable
+import net.woggioni.rbcs.common.Xml.Companion.renderAttribute
+import org.w3c.dom.Document
+import org.w3c.dom.Element
+import java.time.Duration
+import java.time.temporal.ChronoUnit
+
+
+class MemcacheCacheProvider : CacheProvider<MemcacheCacheConfiguration> {
+    override fun getXmlSchemaLocation() = "jpms://net.woggioni.rbcs.server.memcache/net/woggioni/rbcs/server/memcache/schema/rbcs-memcache.xsd"
+
+    override fun getXmlType() = "memcacheCacheType"
+
+    override fun getXmlNamespace() = "urn:net.woggioni.rbcs.server.memcache"
+
+    val xmlNamespacePrefix : String
+        get() = "rbcs-memcache"
+
+    override fun deserialize(el: Element): MemcacheCacheConfiguration {
+        val servers = mutableListOf<MemcacheCacheConfiguration.Server>()
+        val maxAge = el.renderAttribute("max-age")
+            ?.let(Duration::parse)
+            ?: Duration.ofDays(1)
+        val maxSize = el.renderAttribute("max-size")
+            ?.let(Integer::decode)
+            ?: 0x100000
+        val chunkSize = el.renderAttribute("chunk-size")
+            ?.let(Integer::decode)
+            ?: 0x4000
+        val compressionMode = el.renderAttribute("compression-mode")
+            ?.let {
+                when (it) {
+                    "deflate" -> MemcacheCacheConfiguration.CompressionMode.DEFLATE
+                    else -> MemcacheCacheConfiguration.CompressionMode.DEFLATE
+                }
+            }
+            ?: MemcacheCacheConfiguration.CompressionMode.DEFLATE
+        val digestAlgorithm = el.renderAttribute("digest")
+        for (child in el.asIterable()) {
+            when (child.nodeName) {
+                "server" -> {
+                    val host = child.renderAttribute("host") ?: throw ConfigurationException("host attribute is required")
+                    val port = child.renderAttribute("port")?.toInt() ?: throw ConfigurationException("port attribute is required")
+                    val maxConnections = child.renderAttribute("max-connections")?.toInt() ?: 1
+                    val connectionTimeout = child.renderAttribute("connection-timeout")
+                        ?.let(Duration::parse)
+                        ?.let(Duration::toMillis)
+                        ?.let(Long::toInt)
+                        ?: 10000
+                    servers.add(MemcacheCacheConfiguration.Server(HostAndPort(host, port), connectionTimeout, maxConnections))
+                }
+            }
+        }
+
+        return MemcacheCacheConfiguration(
+            servers,
+            maxAge,
+            maxSize,
+            digestAlgorithm,
+            compressionMode,
+            chunkSize
+        )
+    }
+
+    override fun serialize(doc: Document, cache: MemcacheCacheConfiguration) = cache.run {
+        val result = doc.createElement("cache")
+        Xml.of(doc, result) {
+            attr("xmlns:${xmlNamespacePrefix}", xmlNamespace, namespaceURI = "http://www.w3.org/2000/xmlns/")
+            attr("xs:type", "${xmlNamespacePrefix}:$xmlType", RBCS.XML_SCHEMA_NAMESPACE_URI)
+            for (server in servers) {
+                node("server") {
+                    attr("host", server.endpoint.host)
+                    attr("port", server.endpoint.port.toString())
+                    server.connectionTimeoutMillis?.let { connectionTimeoutMillis ->
+                        attr("connection-timeout", Duration.of(connectionTimeoutMillis.toLong(), ChronoUnit.MILLIS).toString())
+                    }
+                    attr("max-connections", server.maxConnections.toString())
+                }
+            }
+            attr("max-age", maxAge.toString())
+            attr("max-size", maxSize.toString())
+            attr("chunk-size", chunkSize.toString())
+            digestAlgorithm?.let { digestAlgorithm ->
+                attr("digest", digestAlgorithm)
+            }
+            compressionMode?.let { compressionMode ->
+                attr(
+                    "compression-mode", when (compressionMode) {
+                        MemcacheCacheConfiguration.CompressionMode.DEFLATE -> "deflate"
+                    }
+                )
+            }
+        }
+        result
+    }
+}

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

@@ -0,0 +1,30 @@
+package net.woggioni.rbcs.server.memcache.client
+
+import io.netty.buffer.ByteBuf
+import io.netty.handler.codec.memcache.LastMemcacheContent
+import io.netty.handler.codec.memcache.MemcacheContent
+import io.netty.handler.codec.memcache.binary.BinaryMemcacheRequest
+import io.netty.handler.codec.memcache.binary.BinaryMemcacheResponse
+
+sealed interface StreamingRequestEvent {
+    class SendRequest(val request : BinaryMemcacheRequest) : StreamingRequestEvent
+    open class SendChunk(val chunk : ByteBuf) : StreamingRequestEvent
+    class SendLastChunk(chunk : ByteBuf) : SendChunk(chunk)
+    class ExceptionCaught(val exception : Throwable) : StreamingRequestEvent
+}
+
+sealed interface StreamingResponseEvent {
+    class ResponseReceived(val response : BinaryMemcacheResponse) : StreamingResponseEvent
+    open class ContentReceived(val content : MemcacheContent) : StreamingResponseEvent
+    class LastContentReceived(val lastContent : LastMemcacheContent) : ContentReceived(lastContent)
+    class ExceptionCaught(val exception : Throwable) : StreamingResponseEvent
+}
+
+interface MemcacheRequestHandle {
+    fun handleEvent(evt : StreamingRequestEvent)
+}
+
+interface MemcacheResponseHandle {
+    fun handleEvent(evt : StreamingResponseEvent)
+}
+

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

@@ -0,0 +1,183 @@
+package net.woggioni.rbcs.server.memcache.client
+
+
+import io.netty.bootstrap.Bootstrap
+import io.netty.buffer.ByteBuf
+import io.netty.channel.Channel
+import io.netty.channel.ChannelHandlerContext
+import io.netty.channel.ChannelOption
+import io.netty.channel.ChannelPipeline
+import io.netty.channel.SimpleChannelInboundHandler
+import io.netty.channel.nio.NioEventLoopGroup
+import io.netty.channel.pool.AbstractChannelPoolHandler
+import io.netty.channel.pool.ChannelPool
+import io.netty.channel.pool.FixedChannelPool
+import io.netty.channel.socket.nio.NioSocketChannel
+import io.netty.handler.codec.memcache.DefaultLastMemcacheContent
+import io.netty.handler.codec.memcache.DefaultMemcacheContent
+import io.netty.handler.codec.memcache.LastMemcacheContent
+import io.netty.handler.codec.memcache.MemcacheContent
+import io.netty.handler.codec.memcache.MemcacheObject
+import io.netty.handler.codec.memcache.binary.BinaryMemcacheClientCodec
+import io.netty.handler.codec.memcache.binary.BinaryMemcacheResponse
+import io.netty.handler.logging.LoggingHandler
+import io.netty.util.concurrent.GenericFutureListener
+import net.woggioni.rbcs.common.HostAndPort
+import net.woggioni.rbcs.common.contextLogger
+import net.woggioni.rbcs.common.debug
+import net.woggioni.rbcs.server.memcache.MemcacheCacheConfiguration
+import java.net.InetSocketAddress
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.atomic.AtomicLong
+import io.netty.util.concurrent.Future as NettyFuture
+
+
+class MemcacheClient(private val cfg: MemcacheCacheConfiguration) : AutoCloseable {
+
+    private companion object {
+        @JvmStatic
+        private val log = contextLogger()
+    }
+
+    private val group: NioEventLoopGroup
+    private val connectionPool: MutableMap<HostAndPort, ChannelPool> = ConcurrentHashMap()
+
+    init {
+        group = NioEventLoopGroup()
+    }
+
+    private val counter = AtomicLong(0)
+
+    private fun newConnectionPool(server: MemcacheCacheConfiguration.Server): FixedChannelPool {
+        val bootstrap = Bootstrap().apply {
+            group(group)
+            channel(NioSocketChannel::class.java)
+            option(ChannelOption.SO_KEEPALIVE, true)
+            remoteAddress(InetSocketAddress(server.endpoint.host, server.endpoint.port))
+            server.connectionTimeoutMillis?.let {
+                option(ChannelOption.CONNECT_TIMEOUT_MILLIS, it)
+            }
+        }
+        val channelPoolHandler = object : AbstractChannelPoolHandler() {
+
+            override fun channelCreated(ch: Channel) {
+                val pipeline: ChannelPipeline = ch.pipeline()
+                pipeline.addLast(BinaryMemcacheClientCodec())
+                pipeline.addLast(LoggingHandler())
+            }
+        }
+        return FixedChannelPool(bootstrap, channelPoolHandler, server.maxConnections)
+    }
+
+    fun sendRequest(key: ByteBuf, responseHandle: MemcacheResponseHandle): CompletableFuture<MemcacheRequestHandle> {
+        val server = cfg.servers.let { servers ->
+            if (servers.size > 1) {
+                var checksum = 0
+                while (key.readableBytes() > 4) {
+                    val byte = key.readInt()
+                    checksum = checksum xor byte
+                }
+                while (key.readableBytes() > 0) {
+                    val byte = key.readByte()
+                    checksum = checksum xor byte.toInt()
+                }
+                servers[checksum % servers.size]
+            } else {
+                servers.first()
+            }
+        }
+
+        val response = CompletableFuture<MemcacheRequestHandle>()
+        // Custom handler for processing responses
+        val pool = connectionPool.computeIfAbsent(server.endpoint) {
+            newConnectionPool(server)
+        }
+        pool.acquire().addListener(object : GenericFutureListener<NettyFuture<Channel>> {
+            override fun operationComplete(channelFuture: NettyFuture<Channel>) {
+                if (channelFuture.isSuccess) {
+                    val channel = channelFuture.now
+                    val pipeline = channel.pipeline()
+                    val handler = object : SimpleChannelInboundHandler<MemcacheObject>() {
+                        override fun channelRead0(
+                            ctx: ChannelHandlerContext,
+                            msg: MemcacheObject
+                        ) {
+                            when (msg) {
+                                is BinaryMemcacheResponse -> responseHandle.handleEvent(
+                                    StreamingResponseEvent.ResponseReceived(
+                                        msg
+                                    )
+                                )
+
+                                is LastMemcacheContent -> {
+                                    responseHandle.handleEvent(
+                                        StreamingResponseEvent.LastContentReceived(
+                                            msg
+                                        )
+                                    )
+                                    pipeline.removeLast()
+                                    pool.release(channel)
+                                }
+
+                                is MemcacheContent -> responseHandle.handleEvent(
+                                    StreamingResponseEvent.ContentReceived(
+                                        msg
+                                    )
+                                )
+                            }
+                        }
+
+                        override fun exceptionCaught(ctx: ChannelHandlerContext, cause: Throwable) {
+                            responseHandle.handleEvent(StreamingResponseEvent.ExceptionCaught(cause))
+                            ctx.close()
+                            pipeline.removeLast()
+                            pool.release(channel)
+                        }
+                    }
+                    channel.pipeline()
+                        .addLast("client-handler", handler)
+                    response.complete(object : MemcacheRequestHandle {
+                        override fun handleEvent(evt: StreamingRequestEvent) {
+                            when (evt) {
+                                is StreamingRequestEvent.SendRequest -> {
+                                    channel.writeAndFlush(evt.request)
+                                }
+
+                                is StreamingRequestEvent.SendLastChunk -> {
+                                    channel.writeAndFlush(DefaultLastMemcacheContent(evt.chunk))
+                                    val value = counter.incrementAndGet()
+                                    log.debug {
+                                        "Finished request counter: $value"
+                                    }
+                                }
+
+                                is StreamingRequestEvent.SendChunk -> {
+                                    channel.writeAndFlush(DefaultMemcacheContent(evt.chunk))
+                                }
+
+                                is StreamingRequestEvent.ExceptionCaught -> {
+                                    responseHandle.handleEvent(StreamingResponseEvent.ExceptionCaught(evt.exception))
+                                    channel.close()
+                                    pipeline.removeLast()
+                                    pool.release(channel)
+                                }
+                            }
+                        }
+                    })
+                } else {
+                    response.completeExceptionally(channelFuture.cause())
+                }
+            }
+        })
+        return response
+    }
+
+    fun shutDown(): NettyFuture<*> {
+        return group.shutdownGracefully()
+    }
+
+    override fun close() {
+        shutDown().sync()
+    }
+}

rbcs-server-memcache/src/main/resources/META-INF/services/net.woggioni.rbcs.api.CacheProvider

@@ -0,0 +1 @@
+net.woggioni.rbcs.server.memcache.MemcacheCacheProvider

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

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<xs:schema targetNamespace="urn:net.woggioni.rbcs.server.memcache"
+           xmlns:rbcs-memcache="urn:net.woggioni.rbcs.server.memcache"
+           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:complexType name="memcacheServerType">
+        <xs:attribute name="host" type="xs:token" use="required"/>
+        <xs:attribute name="port" type="xs:positiveInteger" use="required"/>
+        <xs:attribute name="connection-timeout" type="xs:duration"/>
+        <xs:attribute name="max-connections" type="xs:positiveInteger" default="1"/>
+    </xs:complexType>
+
+    <xs:complexType name="memcacheCacheType">
+        <xs:complexContent>
+            <xs:extension base="rbcs:cacheType">
+                <xs:sequence maxOccurs="unbounded">
+                    <xs:element name="server" type="rbcs-memcache:memcacheServerType"/>
+                </xs:sequence>
+                <xs:attribute name="max-age" type="xs:duration" default="P1D"/>
+                <xs:attribute name="max-size" type="rbcs:byteSize" default="1048576"/>
+                <xs:attribute name="chunk-size" type="rbcs:byteSize" default="0x4000"/>
+                <xs:attribute name="digest" type="xs:token" />
+                <xs:attribute name="compression-mode" type="rbcs-memcache:compressionType"/>
+            </xs:extension>
+        </xs:complexContent>
+    </xs:complexType>
+
+    <xs:simpleType name="compressionType">
+        <xs:restriction base="xs:token">
+            <xs:enumeration value="deflate"/>
+        </xs:restriction>
+    </xs:simpleType>
+
+</xs:schema>

rbcs-server/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id 'java-library'
     alias catalog.plugins.kotlin.jvm
+    id 'jacoco'
     id 'maven-publish'
 }
 
@@ -8,20 +9,25 @@ dependencies {
     implementation catalog.jwo
     implementation catalog.slf4j.api
     implementation catalog.netty.codec.http
+    implementation catalog.netty.handler
+    implementation catalog.netty.buffer
+    implementation catalog.netty.transport
 
-    api project(':gbcs-common')
-    api project(':gbcs-api')
+    api project(':rbcs-common')
+    api project(':rbcs-api')
 
 //    runtimeOnly catalog.slf4j.jdk14
     testRuntimeOnly catalog.logback.classic
 
     testImplementation catalog.bcprov.jdk18on
     testImplementation catalog.bcpkix.jdk18on
-    testImplementation catalog.junit.jupiter.api
-    testImplementation catalog.junit.jupiter.params
-    testRuntimeOnly catalog.junit.jupiter.engine
 
-    testRuntimeOnly project(":gbcs-server-memcached")
+    testRuntimeOnly project(":rbcs-server-memcache")
+}
+
+test {
+    systemProperty("io.netty.leakDetectionLevel", "PARANOID")
+    systemProperty("jdk.httpclient.redirects.retrylimit", "1")
 }
 
 publishing {
@@ -33,3 +39,4 @@ publishing {
 }
 
 
+