add Netty server

.gitignore

@@ -8,6 +8,6 @@
 /.classpath
 /.project
 /.gradle
-/build
+build
 out
 *~

build.gradle

@@ -21,48 +21,42 @@ printf "Date: %s\nHost: %s\nOS: %s %s %s\nJVM: %s %s %s %s\nGradle: %s Groovy: %
         System.getProperty("java.vm.name"),
         gradle.gradleVersion, GroovySystem.getVersion(), JavaVersion.current()
 
-apply plugin: 'java'
-apply plugin: 'maven'
-apply plugin: 'signing'
-apply plugin: "com.github.spotbugs"
 apply plugin: "io.codearte.nexus-staging"
-apply plugin: 'org.xbib.gradle.plugin.asciidoctor'
 
-configurations {
+subprojects {
+    apply plugin: 'java'
+    apply plugin: 'maven'
+    apply plugin: 'signing'
+    apply plugin: "com.github.spotbugs"
+    apply plugin: 'org.xbib.gradle.plugin.asciidoctor'
+
+    configurations {
         alpnagent
         asciidoclet
         wagon
-}
+    }
 
-dependencies {
+    dependencies {
-    compile "org.xbib:net-url:${project.property('xbib-net-url.version')}"
-    compile "io.netty:netty-codec-http2:${project.property('netty.version')}"
-    compile "io.netty:netty-handler-proxy:${project.property('netty.version')}"
-    compile "io.netty:netty-transport-native-epoll:${project.property('netty.version')}"
-    testCompile "io.netty:netty-tcnative-boringssl-static:${project.property('tcnative.version')}"
-    testCompile "org.conscrypt:conscrypt-openjdk-uber:${project.property('conscrypt.version')}"
-    testCompile "junit:junit:${project.property('junit.version')}"
-    testCompile "com.fasterxml.jackson.core:jackson-databind:${project.property('jackson.version')}"
         alpnagent "org.mortbay.jetty.alpn:jetty-alpn-agent:${project.property('alpnagent.version')}"
         asciidoclet "org.xbib:asciidoclet:${project.property('asciidoclet.version')}"
         wagon "org.apache.maven.wagon:wagon-ssh:${project.property('wagon.version')}"
-}
+    }
 
-sourceCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = JavaVersion.VERSION_1_8
-targetCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 
-[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+    [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
-tasks.withType(JavaCompile) {
+    tasks.withType(JavaCompile) {
         options.compilerArgs << "-Xlint:all,-serial"
-}
+    }
 
-jar {
+    jar {
         manifest {
             attributes('Implementation-Version': project.version)
         }
-}
+    }
 
-test {
+    test {
         if (JavaVersion.current() == JavaVersion.VERSION_1_8) {
             jvmArgs "-javaagent:" + configurations.alpnagent.asPath
         }
@@ -70,13 +64,13 @@ test {
             showStandardStreams = false
             exceptionFormat = 'full'
         }
-}
+    }
 
-clean {
+    clean {
         delete 'out'
-}
+    }
 
-asciidoctor {
+    asciidoctor {
         attributes toc: 'left',
                 doctype: 'book',
                 icons: 'font',
@@ -86,9 +80,9 @@ asciidoctor {
                 linkattrs: true,
                 imagesdir: 'img',
                 'source-highlighter': 'coderay'
-}
+    }
 
-javadoc {
+    javadoc {
         options.docletpath = configurations.asciidoclet.files.asType(List)
         options.doclet = "org.xbib.asciidoclet.Asciidoclet"
         options.overview = "src/docs/asciidoclet/overview.adoc"
@@ -98,66 +92,42 @@ javadoc {
         configure(options) {
             noTimestamp = true
         }
-}
+    }
 
-task javadocJar(type: Jar, dependsOn: classes) {
+    task javadocJar(type: Jar, dependsOn: classes) {
         from javadoc
         into "build/tmp"
         classifier 'javadoc'
-}
+    }
 
-task sourcesJar(type: Jar, dependsOn: classes) {
+    task sourcesJar(type: Jar, dependsOn: classes) {
         from sourceSets.main.allSource
         into "build/tmp"
         classifier 'sources'
-}
+    }
 
-artifacts {
+    artifacts {
         archives javadocJar, sourcesJar
-}
+    }
 
-if (project.hasProperty('signing.keyId')) {
+    if (project.hasProperty('signing.keyId')) {
         signing {
             sign configurations.archives
         }
-}
-
-
-spotbugs {
-    effort = "max"
-    reportLevel = "low"
-    //includeFilter = file("findbugs-exclude.xml")
-}
-
-tasks.withType(com.github.spotbugs.SpotBugsTask) {
-    ignoreFailures = true
-    reports {
-        xml.enabled = false
-        html.enabled = true
     }
-}
 
-sonarqube {
-    properties {
-        property "sonar.projectName", "${project.group} ${project.name}"
-        property "sonar.sourceEncoding", "UTF-8"
-        property "sonar.tests", "src/test/java"
-        property "sonar.scm.provider", "git"
-        property "sonar.junit.reportsPath", "build/test-results/test/"
-    }
-}
 
-ext {
+    ext {
         user = 'jprante'
         name = 'netty-http-client'
         description = 'A java client for Elasticsearch'
         scmUrl = 'https://github.com/' + user + '/' + name
         scmConnection = 'scm:git:git://github.com/' + user + '/' + name + '.git'
         scmDeveloperConnection = 'scm:git:git://github.com/' + user + '/' + name + '.git'
-}
+    }
 
 
-task xbibUpload(type: Upload) {
+    task xbibUpload(type: Upload) {
         group = 'publish'
         configuration = configurations.archives
         uploadDescriptor = true
@@ -171,9 +141,9 @@ task xbibUpload(type: Upload) {
                 }
             }
         }
-}
+    }
 
-task sonaTypeUpload(type: Upload) {
+    task sonaTypeUpload(type: Upload) {
         group = 'publish'
         configuration = configurations.archives
         uploadDescriptor = true
@@ -223,6 +193,33 @@ task sonaTypeUpload(type: Upload) {
                 }
             }
         }
+    }
+
+
+}
+
+spotbugs {
+    effort = "max"
+    reportLevel = "low"
+    //includeFilter = file("findbugs-exclude.xml")
+}
+
+tasks.withType(com.github.spotbugs.SpotBugsTask) {
+    ignoreFailures = true
+    reports {
+        xml.enabled = false
+        html.enabled = true
+    }
+}
+
+sonarqube {
+    properties {
+        property "sonar.projectName", "${project.group} ${project.name}"
+        property "sonar.sourceEncoding", "UTF-8"
+        property "sonar.tests", "src/test/java"
+        property "sonar.scm.provider", "git"
+        property "sonar.junit.reportsPath", "build/test-results/test/"
+    }
 }
 
 nexusStaging {

gradle.properties

@@ -1,13 +1,16 @@
 group = org.xbib
 name = netty-http-client
-version = 4.1.16.1
+version = 4.1.22.2
 
-netty.version = 4.1.16.Final
+netty.version = 4.1.22.Final
 tcnative.version = 2.0.7.Final
 conscrypt.version = 1.0.1
+bouncycastle.version = 1.57
 xbib-net-url.version = 1.1.0
 alpnagent.version = 2.0.7
 junit.version = 4.12
 jackson.version = 2.8.11.1
 asciidoclet.version = 1.6.0.0
 wagon.version = 3.0.0
+
+

netty-http-client/build.gradle

@@ -0,0 +1,10 @@
+
+dependencies {
+    compile project(":netty-http-common")
+    compile "io.netty:netty-handler-proxy:${project.property('netty.version')}"
+    compile "io.netty:netty-transport-native-epoll:${project.property('netty.version')}"
+    testCompile "io.netty:netty-tcnative-boringssl-static:${project.property('tcnative.version')}"
+    testCompile "org.conscrypt:conscrypt-openjdk-uber:${project.property('conscrypt.version')}"
+    testCompile "junit:junit:${project.property('junit.version')}"
+    testCompile "com.fasterxml.jackson.core:jackson-databind:${project.property('jackson.version')}"
+}

netty-http-client/src/main/java/org/xbib/netty/http/client/Client.java

@@ -29,9 +29,10 @@ import org.xbib.netty.http.client.handler.http2.Http2ResponseHandler;
 import org.xbib.netty.http.client.handler.http2.Http2SettingsHandler;
 import org.xbib.netty.http.client.pool.BoundedChannelPool;
 import org.xbib.netty.http.client.transport.Http2Transport;
-import org.xbib.netty.http.client.transport.HttpTransport;
+import org.xbib.netty.http.client.transport.Http1Transport;
 import org.xbib.netty.http.client.transport.Transport;
-import org.xbib.netty.http.client.util.NetworkUtils;
+import org.xbib.netty.http.common.HttpAddress;
+import org.xbib.netty.http.common.NetworkUtils;
 
 import javax.net.ssl.SNIHostName;
 import javax.net.ssl.SNIServerName;
@@ -213,13 +214,13 @@ public final class Client {
         Transport transport = null;
         if (httpAddress != null) {
             if (httpAddress.getVersion().majorVersion() == 1) {
-                transport = new HttpTransport(this, httpAddress);
+                transport = new Http1Transport(this, httpAddress);
             } else {
                 transport = new Http2Transport(this, httpAddress);
             }
         } else if (hasPooledConnections()) {
             if (pool.getVersion().majorVersion() == 1) {
-                transport = new HttpTransport(this, null);
+                transport = new Http1Transport(this, null);
             } else {
                 transport = new Http2Transport(this, null);
             }
@@ -234,7 +235,7 @@ public final class Client {
     }
 
     public Channel newChannel(HttpAddress httpAddress) throws IOException {
-        Channel channel = null;
+        Channel channel;
         if (httpAddress != null) {
             HttpVersion httpVersion = httpAddress.getVersion();
             ChannelInitializer<SocketChannel> initializer;
@@ -285,14 +286,14 @@ public final class Client {
     }
 
     public Transport execute(Request request) throws IOException {
-        Transport transport = newTransport(HttpAddress.of(request));
+        Transport transport = newTransport(HttpAddress.of(request.url(), request.httpVersion()));
         transport.execute(request);
         return transport;
     }
 
     public <T> CompletableFuture<T> execute(Request request,
                                             Function<FullHttpResponse, T> supplier) throws IOException {
-        return newTransport(HttpAddress.of(request)).execute(request, supplier);
+        return newTransport(HttpAddress.of(request.url(), request.httpVersion())).execute(request, supplier);
     }
 
     public Transport pooledExecute(Request request) throws IOException {
@@ -307,7 +308,7 @@ public final class Client {
      * @param request the new request for continuing the request.
      */
     public void continuation(Transport transport, Request request) throws IOException {
-        Transport nextTransport = newTransport(HttpAddress.of(request));
+        Transport nextTransport = newTransport(HttpAddress.of(request.url(), request.httpVersion()));
         nextTransport.setCookieBox(transport.getCookieBox());
         nextTransport.execute(request);
         nextTransport.get();
@@ -328,7 +329,7 @@ public final class Client {
     }
 
     public Transport prepareRequest(Request request) {
-        return newTransport(HttpAddress.of(request));
+        return newTransport(HttpAddress.of(request.url(), request.httpVersion()));
     }
 
     public void close(Transport transport) throws IOException {

netty-http-client/src/main/java/org/xbib/netty/http/client/ClientBuilder.java

@@ -4,12 +4,12 @@ import io.netty.buffer.ByteBufAllocator;
 import io.netty.channel.EventLoopGroup;
 import io.netty.channel.WriteBufferWaterMark;
 import io.netty.channel.socket.SocketChannel;
-import io.netty.handler.codec.http.HttpVersion;
 import io.netty.handler.codec.http2.Http2Settings;
 import io.netty.handler.proxy.HttpProxyHandler;
 import io.netty.handler.ssl.CipherSuiteFilter;
 import io.netty.handler.ssl.SslProvider;
 import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
+import org.xbib.netty.http.common.HttpAddress;
 
 import javax.net.ssl.TrustManagerFactory;
 import java.io.InputStream;

netty-http-client/src/main/java/org/xbib/netty/http/client/ClientConfig.java

@@ -11,6 +11,7 @@ import io.netty.handler.ssl.CipherSuiteFilter;
 import io.netty.handler.ssl.SslProvider;
 import io.netty.handler.ssl.SupportedCipherSuiteFilter;
 import org.xbib.netty.http.client.retry.BackOff;
+import org.xbib.netty.http.common.HttpAddress;
 
 import javax.net.ssl.TrustManagerFactory;
 import java.io.InputStream;

netty-http-client/src/main/java/org/xbib/netty/http/client/RequestBuilder.java

@@ -3,9 +3,6 @@ package org.xbib.netty.http.client;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufAllocator;
 import io.netty.buffer.ByteBufUtil;
-import io.netty.buffer.PooledByteBufAllocator;
-import io.netty.buffer.Unpooled;
-import io.netty.buffer.UnpooledByteBufAllocator;
 import io.netty.handler.codec.http.DefaultHttpHeaders;
 import io.netty.handler.codec.http.HttpHeaderNames;
 import io.netty.handler.codec.http.HttpHeaderValues;
@@ -21,6 +18,7 @@ import org.xbib.net.QueryParameters;
 import org.xbib.net.URL;
 import org.xbib.net.URLSyntaxException;
 import org.xbib.netty.http.client.retry.BackOff;
+import org.xbib.netty.http.common.HttpAddress;
 
 import java.net.URI;
 import java.nio.charset.StandardCharsets;

netty-http-client/src/main/java/org/xbib/netty/http/client/handler/http1/HttpChannelInitializer.java

@@ -9,7 +9,7 @@ import io.netty.handler.codec.http.HttpObjectAggregator;
 import io.netty.handler.logging.LogLevel;
 import io.netty.handler.ssl.SslHandler;
 import org.xbib.netty.http.client.ClientConfig;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;

netty-http-client/src/main/java/org/xbib/netty/http/client/handler/http1/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * HTTP handlers for Netty HTTP client.
+ */
+package org.xbib.netty.http.client.handler.http1;

netty-http-client/src/main/java/org/xbib/netty/http/client/handler/http2/Http2ChannelInitializer.java

@@ -9,11 +9,13 @@ import io.netty.handler.codec.http2.Http2ConnectionHandler;
 import io.netty.handler.codec.http2.Http2FrameLogger;
 import io.netty.handler.codec.http2.HttpToHttp2ConnectionHandlerBuilder;
 import io.netty.handler.codec.http2.InboundHttp2ToHttpAdapterBuilder;
+import io.netty.handler.logging.LogLevel;
 import io.netty.handler.ssl.ApplicationProtocolNames;
 import io.netty.handler.ssl.ApplicationProtocolNegotiationHandler;
 import io.netty.handler.ssl.SslHandler;
 import org.xbib.netty.http.client.ClientConfig;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.client.handler.http1.TrafficLoggingHandler;
+import org.xbib.netty.http.common.HttpAddress;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -51,13 +53,16 @@ public class Http2ChannelInitializer extends ChannelInitializer<SocketChannel> {
      */
     @Override
     public void initChannel(SocketChannel channel) {
+        if (clientConfig.isDebug()) {
+            channel.pipeline().addLast(new TrafficLoggingHandler(LogLevel.DEBUG));
+        }
         if (httpAddress.isSecure()) {
             configureEncrypted(channel);
         } else {
             configureCleartext(channel);
         }
         if (clientConfig.isDebug()) {
-            logger.log(Level.FINE, "HTTP/2 channel initialized: " + channel.pipeline().names());
+            logger.log(Level.FINE, "HTTP/2 client channel initialized: " + channel.pipeline().names());
         }
     }
 
@@ -96,7 +101,8 @@ public class Http2ChannelInitializer extends ChannelInitializer<SocketChannel> {
                                 .propagateSettings(true)
                                 .build()));
         if (clientConfig.isDebug()) {
-            http2ConnectionHandlerBuilder.frameLogger(new Http2FrameLogger(clientConfig.getDebugLogLevel(), "client"));
+            Http2FrameLogger http2FrameLogger = new Http2FrameLogger(clientConfig.getDebugLogLevel(), "client");
+            http2ConnectionHandlerBuilder.frameLogger(http2FrameLogger);
         }
         return http2ConnectionHandlerBuilder.build();
     }

netty-http-client/src/main/java/org/xbib/netty/http/client/handler/http2/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * HTTP/2 handlers for Netty HTTP client.
+ */
+package org.xbib.netty.http.client.handler.http2;

netty-http-client/src/main/java/org/xbib/netty/http/client/pool/BoundedChannelPool.java

@@ -9,6 +9,7 @@ import io.netty.channel.pool.ChannelPoolHandler;
 import io.netty.channel.socket.SocketChannel;
 import io.netty.handler.codec.http.HttpVersion;
 import io.netty.util.AttributeKey;
+import org.xbib.netty.http.common.PoolKey;
 
 import java.net.ConnectException;
 import java.util.ArrayList;
@@ -145,11 +146,12 @@ public class BoundedChannelPool<K extends PoolKey> implements Pool<Channel> {
             if (channel == null) {
                 semaphore.release();
                 throw new ConnectException();
-            }
+            } else {
-        }
                 if (channelPoolhandler != null) {
                     channelPoolhandler.channelAcquired(channel);
                 }
+            }
+        }
         return channel;
     }
 
@@ -165,7 +167,7 @@ public class BoundedChannelPool<K extends PoolKey> implements Pool<Channel> {
         }
         Channel channel;
         for (int i = 0; i < availableCount; i ++) {
-            if (null == (channel = poll())) {
+            if ((channel = poll()) == null) {
                 channel = newConnection();
             }
             if (channel == null) {
@@ -193,6 +195,8 @@ public class BoundedChannelPool<K extends PoolKey> implements Pool<Channel> {
                     }
                 } else if (channel.isOpen()) {
                     channel.close();
+                } else {
+                    logger.log(Level.WARNING, "channel not active or open while release");
                 }
                 if (channelPoolhandler != null) {
                     channelPoolhandler.channelReleased(channel);
@@ -319,12 +323,23 @@ public class BoundedChannelPool<K extends PoolKey> implements Pool<Channel> {
         Queue<Channel> channelQueue;
         Channel channel;
         for(int j = i; j < i + numberOfNodes; j ++) {
-            channelQueue = availableChannels.get(nodes.get(j % numberOfNodes));
+            K key = nodes.get(j % numberOfNodes);
+            // for HTTP/2, use channel list
+            logger.log(Level.FINE, "pool version = " + httpVersion);
+            if (httpVersion.majorVersion() == 2) {
+                List<Channel> list = channels.get(key);
+                if (!list.isEmpty()) {
+                    logger.log(Level.INFO, "we have a channel " + list);
+                }
+            }
+            channelQueue = availableChannels.get(key);
             if (channelQueue != null) {
                 channel = channelQueue.poll();
                 if (channel != null && channel.isActive()) {
                     return channel;
                 }
+            } else {
+                logger.log(Level.FINE, "channelqueue is null");
             }
         }
         return null;

netty-http-client/src/main/java/org/xbib/netty/http/client/rest/RestClient.java

@@ -5,7 +5,7 @@ import io.netty.handler.codec.http.FullHttpResponse;
 import io.netty.handler.codec.http.HttpMethod;
 import org.xbib.net.URL;
 import org.xbib.netty.http.client.Client;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.Request;
 import org.xbib.netty.http.client.RequestBuilder;
 import org.xbib.netty.http.client.transport.Transport;

netty-http-client/src/main/java/org/xbib/netty/http/client/transport/BaseTransport.java

@@ -15,7 +15,7 @@ import org.xbib.net.PercentDecoder;
 import org.xbib.net.URL;
 import org.xbib.net.URLSyntaxException;
 import org.xbib.netty.http.client.Client;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.Request;
 import org.xbib.netty.http.client.RequestBuilder;
 import org.xbib.netty.http.client.listener.CookieListener;
@@ -99,6 +99,7 @@ abstract class BaseTransport implements Transport {
         if (streamId != null) {
             requests.put(streamId, request);
         }
+        // flush after putting request into requests map
         if (channel.isWritable()) {
             channel.writeAndFlush(fullHttpRequest);
 

netty-http-client/src/main/java/org/xbib/netty/http/client/transport/Http1Transport.java

@@ -6,7 +6,7 @@ import io.netty.handler.codec.http2.Http2Headers;
 import io.netty.handler.codec.http2.Http2Settings;
 import org.xbib.net.URLSyntaxException;
 import org.xbib.netty.http.client.Client;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.Request;
 import org.xbib.netty.http.client.listener.HttpResponseListener;
 
@@ -21,15 +21,15 @@ import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-public class HttpTransport extends BaseTransport {
+public class Http1Transport extends BaseTransport {
 
-    private static final Logger logger = Logger.getLogger(HttpTransport.class.getName());
+    private static final Logger logger = Logger.getLogger(Http1Transport.class.getName());
 
     private final AtomicInteger sequentialCounter;
 
     private SortedMap<Integer, CompletableFuture<Boolean>> sequentialPromiseMap;
 
-    public HttpTransport(Client client, HttpAddress httpAddress) {
+    public Http1Transport(Client client, HttpAddress httpAddress) {
         super(client, httpAddress);
         this.sequentialCounter = new AtomicInteger();
         this.sequentialPromiseMap = new ConcurrentSkipListMap<>();

netty-http-client/src/main/java/org/xbib/netty/http/client/transport/Http2Transport.java

@@ -6,7 +6,7 @@ import io.netty.handler.codec.http2.Http2Headers;
 import io.netty.handler.codec.http2.Http2Settings;
 import org.xbib.net.URLSyntaxException;
 import org.xbib.netty.http.client.Client;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.Request;
 import org.xbib.netty.http.client.listener.HttpResponseListener;
 
@@ -35,7 +35,7 @@ public class Http2Transport extends BaseTransport {
         super(client, httpAddress);
         streamIdCounter = new AtomicInteger(3);
         streamidPromiseMap = new ConcurrentSkipListMap<>();
-        settingsPromise = (httpAddress != null && httpAddress.isSecure()) ||
+        settingsPromise = (httpAddress != null /*&& httpAddress.isSecure() */) ||
                 (client.hasPooledConnections() && client.getPool().isSecure()) ?
                 new CompletableFuture<>() : null;
     }
@@ -65,10 +65,16 @@ public class Http2Transport extends BaseTransport {
     public void awaitSettings() {
         if (settingsPromise != null) {
             try {
+                logger.log(Level.FINE, "waiting for settings");
                 settingsPromise.get(client.getClientConfig().getReadTimeoutMillis(), TimeUnit.MILLISECONDS);
-            } catch (InterruptedException | ExecutionException | TimeoutException e) {
+            } catch (TimeoutException e) {
+                logger.log(Level.WARNING, "settings timeout");
+                settingsPromise.completeExceptionally(e);
+            } catch (InterruptedException | ExecutionException e) {
                 settingsPromise.completeExceptionally(e);
             }
+        } else {
+            logger.log(Level.WARNING, "settings promise is null");
         }
     }
 

netty-http-client/src/test/java/org/xbib/netty/http/client/test/ElasticsearchTest.java

@@ -3,7 +3,7 @@ package org.xbib.netty.http.client.test;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.xbib.netty.http.client.Client;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.Request;
 
 import java.io.IOException;

netty-http-client/src/test/java/org/xbib/netty/http/client/test/PooledClientTest.java

@@ -4,7 +4,7 @@ import io.netty.handler.codec.http.HttpVersion;
 import org.junit.Test;
 import org.xbib.net.URL;
 import org.xbib.netty.http.client.Client;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.Request;
 
 import java.io.IOException;
@@ -24,8 +24,8 @@ public class PooledClientTest extends LoggingBase {
     public void testPooledClientWithSingleNode() throws IOException {
         int loop = 10;
         int threads = Runtime.getRuntime().availableProcessors();
-        URL url = URL.from("http://xbib.org");
+        URL url = URL.from("https://fl-test.hbz-nrw.de/app/fl");
-        HttpAddress httpAddress = HttpAddress.of(url, HttpVersion.HTTP_1_1);
+        HttpAddress httpAddress = HttpAddress.of(url, HttpVersion.valueOf("HTTP/2.0"));
         Client client = Client.builder()
                 .addPoolNode(httpAddress)
                 .setPoolNodeConnectionLimit(threads)

netty-http-client/src/test/java/org/xbib/netty/http/client/test/pool/EpollTest.java

@@ -18,7 +18,7 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.pool.Pool;
 import org.xbib.netty.http.client.pool.BoundedChannelPool;
 

netty-http-client/src/test/java/org/xbib/netty/http/client/test/pool/NioTest.java

@@ -16,7 +16,7 @@ import io.netty.handler.codec.http.HttpVersion;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.pool.Pool;
 import org.xbib.netty.http.client.pool.BoundedChannelPool;
 

netty-http-client/src/test/java/org/xbib/netty/http/client/test/pool/PoolTest.java

@@ -7,7 +7,7 @@ import io.netty.util.AttributeKey;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
-import org.xbib.netty.http.client.HttpAddress;
+import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.client.pool.BoundedChannelPool;
 import org.xbib.netty.http.client.pool.Pool;
 

netty-http-common/build.gradle

@@ -0,0 +1,5 @@
+
+dependencies {
+    compile "org.xbib:net-url:${project.property('xbib-net-url.version')}"
+    compile "io.netty:netty-codec-http2:${project.property('netty.version')}"
+}

netty-http-common/src/main/java/org/xbib/netty/http/common/HttpAddress.java

@@ -1,8 +1,7 @@
-package org.xbib.netty.http.client;
+package org.xbib.netty.http.common;
 
 import io.netty.handler.codec.http.HttpVersion;
 import org.xbib.net.URL;
-import org.xbib.netty.http.client.pool.PoolKey;
 
 import java.net.InetSocketAddress;
 
@@ -55,14 +54,14 @@ public class HttpAddress implements PoolKey {
         return new HttpAddress(url, HTTP_2_0);
     }
 
-    public static HttpAddress of(Request request) {
-        return new HttpAddress(request.url(), request.httpVersion());
-    }
-
     public static HttpAddress of(URL url, HttpVersion httpVersion) {
         return new HttpAddress(url, httpVersion);
     }
 
+    public static HttpAddress of(String host, Integer port, HttpVersion version, boolean secure) {
+        return new HttpAddress(host, port, version, secure);
+    }
+
     public HttpAddress(URL url, HttpVersion version) {
         this(url.getHost(), url.getPort(), version, "https".equals(url.getScheme()));
     }

netty-http-common/src/main/java/org/xbib/netty/http/common/NetworkClass.java

@@ -1,4 +1,4 @@
-package org.xbib.netty.http.client.util;
+package org.xbib.netty.http.common;
 
 /**
  * The network classes.

netty-http-common/src/main/java/org/xbib/netty/http/common/NetworkProtocolVersion.java

@@ -1,4 +1,4 @@
-package org.xbib.netty.http.client.util;
+package org.xbib.netty.http.common;
 
 /**
  * The TCP/IP network protocol versions.

netty-http-common/src/main/java/org/xbib/netty/http/common/NetworkUtils.java

@@ -1,4 +1,4 @@
-package org.xbib.netty.http.client.util;
+package org.xbib.netty.http.common;
 
 import java.io.IOException;
 import java.net.Inet4Address;

netty-http-common/src/main/java/org/xbib/netty/http/common/PoolKey.java

@@ -1,4 +1,4 @@
-package org.xbib.netty.http.client.pool;
+package org.xbib.netty.http.common;
 
 import java.net.InetSocketAddress;
 

netty-http-common/src/main/java/org/xbib/netty/http/common/package-info.java

@@ -1,4 +1,4 @@
 /**
  * Utilities for Netty HTTP client.
  */
-package org.xbib.netty.http.client.util;
+package org.xbib.netty.http.common;

netty-http-server/build.gradle

@@ -0,0 +1,9 @@
+dependencies {
+    compile project(":netty-http-common")
+    compile "io.netty:netty-handler:${project.property('netty.version')}"
+    compile "io.netty:netty-transport-native-epoll:${project.property('netty.version')}"
+    compile "io.netty:netty-tcnative-boringssl-static:${project.property('tcnative.version')}"
+    compile "org.bouncycastle:bcpkix-jdk15on:${project.property('bouncycastle.version')}"
+    testCompile project(":netty-http-client")
+    testCompile "junit:junit:${project.property('junit.version')}"
+}

netty-http-server/src/docs/asciidoc/css/foundation.css

@@ -0,0 +1,684 @@
+/*! normalize.css v2.1.2 | MIT License | git.io/normalize */
+/* ========================================================================== HTML5 display definitions ========================================================================== */
+/** Correct `block` display not defined in IE 8/9. */
+article, aside, details, figcaption, figure, footer, header, hgroup, main, nav, section, summary { display: block; }
+
+/** Correct `inline-block` display not defined in IE 8/9. */
+audio, canvas, video { display: inline-block; }
+
+/** Prevent modern browsers from displaying `audio` without controls. Remove excess height in iOS 5 devices. */
+audio:not([controls]) { display: none; height: 0; }
+
+/** Address `[hidden]` styling not present in IE 8/9. Hide the `template` element in IE, Safari, and Firefox < 22. */
+[hidden], template { display: none; }
+
+script { display: none !important; }
+
+/* ========================================================================== Base ========================================================================== */
+/** 1. Set default font family to sans-serif. 2. Prevent iOS text size adjust after orientation change, without disabling user zoom. */
+html { font-family: sans-serif; /* 1 */ -ms-text-size-adjust: 100%; /* 2 */ -webkit-text-size-adjust: 100%; /* 2 */ }
+
+/** Remove default margin. */
+body { margin: 0; }
+
+/* ========================================================================== Links ========================================================================== */
+/** Remove the gray background color from active links in IE 10. */
+a { background: transparent; }
+
+/** Address `outline` inconsistency between Chrome and other browsers. */
+a:focus { outline: thin dotted; }
+
+/** Improve readability when focused and also mouse hovered in all browsers. */
+a:active, a:hover { outline: 0; }
+
+/* ========================================================================== Typography ========================================================================== */
+/** Address variable `h1` font-size and margin within `section` and `article` contexts in Firefox 4+, Safari 5, and Chrome. */
+h1 { font-size: 2em; margin: 0.67em 0; }
+
+/** Address styling not present in IE 8/9, Safari 5, and Chrome. */
+abbr[title] { border-bottom: 1px dotted; }
+
+/** Address style set to `bolder` in Firefox 4+, Safari 5, and Chrome. */
+b, strong { font-weight: bold; }
+
+/** Address styling not present in Safari 5 and Chrome. */
+dfn { font-style: italic; }
+
+/** Address differences between Firefox and other browsers. */
+hr { -moz-box-sizing: content-box; box-sizing: content-box; height: 0; }
+
+/** Address styling not present in IE 8/9. */
+mark { background: #ff0; color: #000; }
+
+/** Correct font family set oddly in Safari 5 and Chrome. */
+code, kbd, pre, samp { font-family: monospace, serif; font-size: 1em; }
+
+/** Improve readability of pre-formatted text in all browsers. */
+pre { white-space: pre-wrap; }
+
+/** Set consistent quote types. */
+q { quotes: "\201C" "\201D" "\2018" "\2019"; }
+
+/** Address inconsistent and variable font size in all browsers. */
+small { font-size: 80%; }
+
+/** Prevent `sub` and `sup` affecting `line-height` in all browsers. */
+sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
+
+sup { top: -0.5em; }
+
+sub { bottom: -0.25em; }
+
+/* ========================================================================== Embedded content ========================================================================== */
+/** Remove border when inside `a` element in IE 8/9. */
+img { border: 0; }
+
+/** Correct overflow displayed oddly in IE 9. */
+svg:not(:root) { overflow: hidden; }
+
+/* ========================================================================== Figures ========================================================================== */
+/** Address margin not present in IE 8/9 and Safari 5. */
+figure { margin: 0; }
+
+/* ========================================================================== Forms ========================================================================== */
+/** Define consistent border, margin, and padding. */
+fieldset { border: 1px solid #c0c0c0; margin: 0 2px; padding: 0.35em 0.625em 0.75em; }
+
+/** 1. Correct `color` not being inherited in IE 8/9. 2. Remove padding so people aren't caught out if they zero out fieldsets. */
+legend { border: 0; /* 1 */ padding: 0; /* 2 */ }
+
+/** 1. Correct font family not being inherited in all browsers. 2. Correct font size not being inherited in all browsers. 3. Address margins set differently in Firefox 4+, Safari 5, and Chrome. */
+button, input, select, textarea { font-family: inherit; /* 1 */ font-size: 100%; /* 2 */ margin: 0; /* 3 */ }
+
+/** Address Firefox 4+ setting `line-height` on `input` using `!important` in the UA stylesheet. */
+button, input { line-height: normal; }
+
+/** Address inconsistent `text-transform` inheritance for `button` and `select`. All other form control elements do not inherit `text-transform` values. Correct `button` style inheritance in Chrome, Safari 5+, and IE 8+. Correct `select` style inheritance in Firefox 4+ and Opera. */
+button, select { text-transform: none; }
+
+/** 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio` and `video` controls. 2. Correct inability to style clickable `input` types in iOS. 3. Improve usability and consistency of cursor style between image-type `input` and others. */
+button, html input[type="button"], input[type="reset"], input[type="submit"] { -webkit-appearance: button; /* 2 */ cursor: pointer; /* 3 */ }
+
+/** Re-set default cursor for disabled elements. */
+button[disabled], html input[disabled] { cursor: default; }
+
+/** 1. Address box sizing set to `content-box` in IE 8/9. 2. Remove excess padding in IE 8/9. */
+input[type="checkbox"], input[type="radio"] { box-sizing: border-box; /* 1 */ padding: 0; /* 2 */ }
+
+/** 1. Address `appearance` set to `searchfield` in Safari 5 and Chrome. 2. Address `box-sizing` set to `border-box` in Safari 5 and Chrome (include `-moz` to future-proof). */
+input[type="search"] { -webkit-appearance: textfield; /* 1 */ -moz-box-sizing: content-box; -webkit-box-sizing: content-box; /* 2 */ box-sizing: content-box; }
+
+/** Remove inner padding and search cancel button in Safari 5 and Chrome on OS X. */
+input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration { -webkit-appearance: none; }
+
+/** Remove inner padding and border in Firefox 4+. */
+button::-moz-focus-inner, input::-moz-focus-inner { border: 0; padding: 0; }
+
+/** 1. Remove default vertical scrollbar in IE 8/9. 2. Improve readability and alignment in all browsers. */
+textarea { overflow: auto; /* 1 */ vertical-align: top; /* 2 */ }
+
+/* ========================================================================== Tables ========================================================================== */
+/** Remove most spacing between table cells. */
+table { border-collapse: collapse; border-spacing: 0; }
+
+meta.foundation-mq-small { font-family: "only screen and (min-width: 768px)"; width: 768px; }
+
+meta.foundation-mq-medium { font-family: "only screen and (min-width:1280px)"; width: 1280px; }
+
+meta.foundation-mq-large { font-family: "only screen and (min-width:1440px)"; width: 1440px; }
+
+*, *:before, *:after { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; }
+
+html, body { font-size: 100%; }
+
+body { background: white; color: #222222; padding: 0; margin: 0; font-family: "Helvetica Neue", "Helvetica", Helvetica, Arial, sans-serif; font-weight: normal; font-style: normal; line-height: 1; position: relative; cursor: auto; }
+
+a:hover { cursor: pointer; }
+
+img, object, embed { max-width: 100%; height: auto; }
+
+object, embed { height: 100%; }
+
+img { -ms-interpolation-mode: bicubic; }
+
+#map_canvas img, #map_canvas embed, #map_canvas object, .map_canvas img, .map_canvas embed, .map_canvas object { max-width: none !important; }
+
+.left { float: left !important; }
+
+.right { float: right !important; }
+
+.text-left { text-align: left !important; }
+
+.text-right { text-align: right !important; }
+
+.text-center { text-align: center !important; }
+
+.text-justify { text-align: justify !important; }
+
+.hide { display: none; }
+
+.antialiased { -webkit-font-smoothing: antialiased; }
+
+img { display: inline-block; vertical-align: middle; }
+
+textarea { height: auto; min-height: 50px; }
+
+select { width: 100%; }
+
+object, svg { display: inline-block; vertical-align: middle; }
+
+.center { margin-left: auto; margin-right: auto; }
+
+.spread { width: 100%; }
+
+p.lead, .paragraph.lead > p, #preamble > .sectionbody > .paragraph:first-of-type p { font-size: 1.21875em; line-height: 1.6; }
+
+.subheader, .admonitionblock td.content > .title, .audioblock > .title, .exampleblock > .title, .imageblock > .title, .listingblock > .title, .literalblock > .title, .stemblock > .title, .openblock > .title, .paragraph > .title, .quoteblock > .title, table.tableblock > .title, .verseblock > .title, .videoblock > .title, .dlist > .title, .olist > .title, .ulist > .title, .qlist > .title, .hdlist > .title { line-height: 1.4; color: #6f6f6f; font-weight: 300; margin-top: 0.2em; margin-bottom: 0.5em; }
+
+/* Typography resets */
+div, dl, dt, dd, ul, ol, li, h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6, pre, form, p, blockquote, th, td { margin: 0; padding: 0; direction: ltr; }
+
+/* Default Link Styles */
+a { color: #2ba6cb; text-decoration: none; line-height: inherit; }
+a:hover, a:focus { color: #2795b6; }
+a img { border: none; }
+
+/* Default paragraph styles */
+p { font-family: inherit; font-weight: normal; font-size: 1em; line-height: 1.6; margin-bottom: 1.25em; text-rendering: optimizeLegibility; }
+p aside { font-size: 0.875em; line-height: 1.35; font-style: italic; }
+
+/* Default header styles */
+h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { font-family: "Helvetica Neue", "Helvetica", Helvetica, Arial, sans-serif; font-weight: bold; font-style: normal; color: #222222; text-rendering: optimizeLegibility; margin-top: 1em; margin-bottom: 0.5em; line-height: 1.2125em; }
+h1 small, h2 small, h3 small, #toctitle small, .sidebarblock > .content > .title small, h4 small, h5 small, h6 small { font-size: 60%; color: #6f6f6f; line-height: 0; }
+
+h1 { font-size: 2.125em; }
+
+h2 { font-size: 1.6875em; }
+
+h3, #toctitle, .sidebarblock > .content > .title { font-size: 1.375em; }
+
+h4 { font-size: 1.125em; }
+
+h5 { font-size: 1.125em; }
+
+h6 { font-size: 1em; }
+
+hr { border: solid #dddddd; border-width: 1px 0 0; clear: both; margin: 1.25em 0 1.1875em; height: 0; }
+
+/* Helpful Typography Defaults */
+em, i { font-style: italic; line-height: inherit; }
+
+strong, b { font-weight: bold; line-height: inherit; }
+
+small { font-size: 60%; line-height: inherit; }
+
+code { font-family: Consolas, "Liberation Mono", Courier, monospace; font-weight: bold; color: #7f0a0c; }
+
+/* Lists */
+ul, ol, dl { font-size: 1em; line-height: 1.6; margin-bottom: 1.25em; list-style-position: outside; font-family: inherit; }
+
+ul, ol { margin-left: 1.5em; }
+ul.no-bullet, ol.no-bullet { margin-left: 1.5em; }
+
+/* Unordered Lists */
+ul li ul, ul li ol { margin-left: 1.25em; margin-bottom: 0; font-size: 1em; /* Override nested font-size change */ }
+ul.square li ul, ul.circle li ul, ul.disc li ul { list-style: inherit; }
+ul.square { list-style-type: square; }
+ul.circle { list-style-type: circle; }
+ul.disc { list-style-type: disc; }
+ul.no-bullet { list-style: none; }
+
+/* Ordered Lists */
+ol li ul, ol li ol { margin-left: 1.25em; margin-bottom: 0; }
+
+/* Definition Lists */
+dl dt { margin-bottom: 0.3125em; font-weight: bold; }
+dl dd { margin-bottom: 1.25em; }
+
+/* Abbreviations */
+abbr, acronym { text-transform: uppercase; font-size: 90%; color: #222222; border-bottom: 1px dotted #dddddd; cursor: help; }
+
+abbr { text-transform: none; }
+
+/* Blockquotes */
+blockquote { margin: 0 0 1.25em; padding: 0.5625em 1.25em 0 1.1875em; border-left: 1px solid #dddddd; }
+blockquote cite { display: block; font-size: 0.8125em; color: #555555; }
+blockquote cite:before { content: "\2014 \0020"; }
+blockquote cite a, blockquote cite a:visited { color: #555555; }
+
+blockquote, blockquote p { line-height: 1.6; color: #6f6f6f; }
+
+/* Microformats */
+.vcard { display: inline-block; margin: 0 0 1.25em 0; border: 1px solid #dddddd; padding: 0.625em 0.75em; }
+.vcard li { margin: 0; display: block; }
+.vcard .fn { font-weight: bold; font-size: 0.9375em; }
+
+.vevent .summary { font-weight: bold; }
+.vevent abbr { cursor: auto; text-decoration: none; font-weight: bold; border: none; padding: 0 0.0625em; }
+
+@media only screen and (min-width: 768px) { h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { line-height: 1.4; }
+  h1 { font-size: 2.75em; }
+  h2 { font-size: 2.3125em; }
+  h3, #toctitle, .sidebarblock > .content > .title { font-size: 1.6875em; }
+  h4 { font-size: 1.4375em; } }
+/* Tables */
+table { background: white; margin-bottom: 1.25em; border: solid 1px #dddddd; }
+table thead, table tfoot { background: whitesmoke; font-weight: bold; }
+table thead tr th, table thead tr td, table tfoot tr th, table tfoot tr td { padding: 0.5em 0.625em 0.625em; font-size: inherit; color: #222222; text-align: left; }
+table tr th, table tr td { padding: 0.5625em 0.625em; font-size: inherit; color: #222222; }
+table tr.even, table tr.alt, table tr:nth-of-type(even) { background: #f9f9f9; }
+table thead tr th, table tfoot tr th, table tbody tr td, table tr td, table tfoot tr td { display: table-cell; line-height: 1.4; }
+
+body { -moz-osx-font-smoothing: grayscale; -webkit-font-smoothing: antialiased; tab-size: 4; }
+
+h1, h2, h3, #toctitle, .sidebarblock > .content > .title, h4, h5, h6 { line-height: 1.4; }
+
+.clearfix:before, .clearfix:after, .float-group:before, .float-group:after { content: " "; display: table; }
+.clearfix:after, .float-group:after { clear: both; }
+
+*:not(pre) > code { font-size: inherit; font-style: normal !important; letter-spacing: 0; padding: 0; line-height: inherit; word-wrap: break-word; }
+*:not(pre) > code.nobreak { word-wrap: normal; }
+*:not(pre) > code.nowrap { white-space: nowrap; }
+
+pre, pre > code { line-height: 1.4; color: black; font-family: monospace, serif; font-weight: normal; }
+
+em em { font-style: normal; }
+
+strong strong { font-weight: normal; }
+
+.keyseq { color: #555555; }
+
+kbd { font-family: Consolas, "Liberation Mono", Courier, monospace; display: inline-block; color: #222222; font-size: 0.65em; line-height: 1.45; background-color: #f7f7f7; border: 1px solid #ccc; -webkit-border-radius: 3px; border-radius: 3px; -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em white inset; margin: 0 0.15em; padding: 0.2em 0.5em; vertical-align: middle; position: relative; top: -0.1em; white-space: nowrap; }
+
+.keyseq kbd:first-child { margin-left: 0; }
+
+.keyseq kbd:last-child { margin-right: 0; }
+
+.menuseq, .menu { color: #090909; }
+
+b.button:before, b.button:after { position: relative; top: -1px; font-weight: normal; }
+
+b.button:before { content: "["; padding: 0 3px 0 2px; }
+
+b.button:after { content: "]"; padding: 0 2px 0 3px; }
+
+#header, #content, #footnotes, #footer { width: 100%; margin-left: auto; margin-right: auto; margin-top: 0; margin-bottom: 0; max-width: 62.5em; *zoom: 1; position: relative; padding-left: 0.9375em; padding-right: 0.9375em; }
+#header:before, #header:after, #content:before, #content:after, #footnotes:before, #footnotes:after, #footer:before, #footer:after { content: " "; display: table; }
+#header:after, #content:after, #footnotes:after, #footer:after { clear: both; }
+
+#content { margin-top: 1.25em; }
+
+#content:before { content: none; }
+
+#header > h1:first-child { color: black; margin-top: 2.25rem; margin-bottom: 0; }
+#header > h1:first-child + #toc { margin-top: 8px; border-top: 1px solid #dddddd; }
+#header > h1:only-child, body.toc2 #header > h1:nth-last-child(2) { border-bottom: 1px solid #dddddd; padding-bottom: 8px; }
+#header .details { border-bottom: 1px solid #dddddd; line-height: 1.45; padding-top: 0.25em; padding-bottom: 0.25em; padding-left: 0.25em; color: #555555; display: -ms-flexbox; display: -webkit-flex; display: flex; -ms-flex-flow: row wrap; -webkit-flex-flow: row wrap; flex-flow: row wrap; }
+#header .details span:first-child { margin-left: -0.125em; }
+#header .details span.email a { color: #6f6f6f; }
+#header .details br { display: none; }
+#header .details br + span:before { content: "\00a0\2013\00a0"; }
+#header .details br + span.author:before { content: "\00a0\22c5\00a0"; color: #6f6f6f; }
+#header .details br + span#revremark:before { content: "\00a0|\00a0"; }
+#header #revnumber { text-transform: capitalize; }
+#header #revnumber:after { content: "\00a0"; }
+
+#content > h1:first-child:not([class]) { color: black; border-bottom: 1px solid #dddddd; padding-bottom: 8px; margin-top: 0; padding-top: 1rem; margin-bottom: 1.25rem; }
+
+#toc { border-bottom: 1px solid #dddddd; padding-bottom: 0.5em; }
+#toc > ul { margin-left: 0.125em; }
+#toc ul.sectlevel0 > li > a { font-style: italic; }
+#toc ul.sectlevel0 ul.sectlevel1 { margin: 0.5em 0; }
+#toc ul { font-family: "Helvetica Neue", "Helvetica", Helvetica, Arial, sans-serif; list-style-type: none; }
+#toc li { line-height: 1.3334; margin-top: 0.3334em; }
+#toc a { text-decoration: none; }
+#toc a:active { text-decoration: underline; }
+
+#toctitle { color: #6f6f6f; font-size: 1.2em; }
+
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netty-http-server/src/docs/asciidoc/index.adoc

@@ -0,0 +1,10 @@
+= Netty HTTP server
+Jörg Prante
+:sectnums:
+:toc: preamble
+:toclevels: 4
+:!toc-title: Content
+:experimental:
+:description: Netty HTTP server for Java
+:keywords: Java, Netty, HTTP, server
+:icons: font

netty-http-server/src/docs/asciidoclet/overview.adoc

@@ -0,0 +1,3 @@
+= Netty HTTP server
+Jörg Prante
+

netty-http-server/src/main/java/org/xbib/netty/http/server/Server.java

@@ -0,0 +1,296 @@
+package org.xbib.netty.http.server;
+
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.buffer.ByteBufAllocator;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelOption;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.epoll.Epoll;
+import io.netty.channel.epoll.EpollEventLoopGroup;
+import io.netty.channel.epoll.EpollServerSocketChannel;
+import io.netty.channel.nio.NioEventLoopGroup;
+import io.netty.channel.socket.ServerSocketChannel;
+import io.netty.channel.socket.nio.NioServerSocketChannel;
+import io.netty.handler.codec.http.HttpVersion;
+import io.netty.handler.logging.LoggingHandler;
+import io.netty.handler.ssl.ApplicationProtocolConfig;
+import io.netty.handler.ssl.ApplicationProtocolNames;
+import io.netty.handler.ssl.OpenSsl;
+import io.netty.handler.ssl.SslContext;
+import io.netty.handler.ssl.SslContextBuilder;
+import io.netty.util.DomainNameMapping;
+import io.netty.util.DomainNameMappingBuilder;
+import org.xbib.netty.http.common.HttpAddress;
+import org.xbib.netty.http.server.context.VirtualServer;
+import org.xbib.netty.http.server.handler.http1.HttpChannelInitializer;
+import org.xbib.netty.http.server.handler.http2.Http2ChannelInitializer;
+import org.xbib.netty.http.server.transport.Http1ServerTransport;
+import org.xbib.netty.http.server.transport.Http2ServerTransport;
+import org.xbib.netty.http.server.transport.ServerTransport;
+import org.xbib.netty.http.server.util.NetworkUtils;
+
+import javax.net.ssl.SSLException;
+import javax.net.ssl.TrustManagerFactory;
+import java.io.IOException;
+import java.security.KeyStoreException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ThreadFactory;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * HTTP server.
+ */
+public final class Server {
+
+    private static final Logger logger = Logger.getLogger(Server.class.getName());
+
+    static {
+        // extend Java system properties by detected network interfaces
+        //NetworkUtils.extendSystemProperties();
+        // change Netty defaults to safer ones, but still allow override from arg line
+        if (System.getProperty("io.netty.noUnsafe") == null) {
+            System.setProperty("io.netty.noUnsafe", Boolean.toString(true));
+        }
+        if (System.getProperty("io.netty.noKeySetOptimization") == null) {
+            System.setProperty("io.netty.noKeySetOptimization", Boolean.toString(true));
+        }
+        if (System.getProperty("io.netty.recycler.maxCapacity") == null) {
+            System.setProperty("io.netty.recycler.maxCapacity", Integer.toString(0));
+        }
+        //if (System.getProperty("io.netty.leakDetection.level") == null) {
+        //    System.setProperty("io.netty.leakDetection.level", "paranoid");
+        //}
+    }
+
+    private final ServerConfig serverConfig;
+
+    private final ByteBufAllocator byteBufAllocator;
+
+    private final EventLoopGroup parentEventLoopGroup;
+
+    private final EventLoopGroup childEventLoopGroup;
+
+    private final Class<? extends ServerSocketChannel> socketChannelClass;
+
+    private final ServerBootstrap bootstrap;
+
+    private final Map<String, VirtualServer> virtualServerMap;
+
+    private ChannelFuture channelFuture;
+
+    /**
+     * Create a new HTTP server. Use {@link #builder()} to build HTTP client instance.
+     */
+    public Server(ServerConfig serverConfig,
+                  ByteBufAllocator byteBufAllocator,
+                  EventLoopGroup parentEventLoopGroup,
+                  EventLoopGroup childEventLoopGroup,
+                  Class<? extends ServerSocketChannel> socketChannelClass) throws SSLException {
+        Objects.requireNonNull(serverConfig);
+        this.serverConfig = serverConfig;
+        initializeTrustManagerFactory(serverConfig);
+        this.byteBufAllocator = byteBufAllocator != null ?
+                byteBufAllocator : ByteBufAllocator.DEFAULT;
+        this.parentEventLoopGroup = createParentEventLoopGroup(serverConfig, parentEventLoopGroup);
+        this.childEventLoopGroup = createChildEventLoopGroup(serverConfig, childEventLoopGroup);
+        this.socketChannelClass = createSocketChannelClass(serverConfig, socketChannelClass);
+        this.bootstrap = new ServerBootstrap()
+                .group(this.parentEventLoopGroup, this.childEventLoopGroup)
+                .channel(this.socketChannelClass)
+                .option(ChannelOption.ALLOCATOR, this.byteBufAllocator)
+                .option(ChannelOption.SO_REUSEADDR, serverConfig.isReuseAddr())
+                .option(ChannelOption.SO_RCVBUF, serverConfig.getTcpReceiveBufferSize())
+                .option(ChannelOption.SO_BACKLOG, serverConfig.getBackLogSize())
+                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, serverConfig.getConnectTimeoutMillis())
+                .childOption(ChannelOption.ALLOCATOR, this.byteBufAllocator)
+                .childOption(ChannelOption.SO_REUSEADDR, serverConfig.isReuseAddr())
+                .childOption(ChannelOption.TCP_NODELAY, serverConfig.isTcpNodelay())
+                .childOption(ChannelOption.SO_SNDBUF, serverConfig.getTcpSendBufferSize())
+                .childOption(ChannelOption.SO_RCVBUF, serverConfig.getTcpReceiveBufferSize())
+                .childOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, serverConfig.getConnectTimeoutMillis())
+                .childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, serverConfig.getWriteBufferWaterMark());
+
+        if (serverConfig.isDebug()) {
+            bootstrap.handler(new LoggingHandler("bootstrap-server", serverConfig.getDebugLogLevel()));
+        }
+        this.virtualServerMap = new HashMap<>();
+        for (VirtualServer virtualServer : serverConfig.getVirtualServers()) {
+            String name = virtualServer.getName();
+            virtualServerMap.put(name, virtualServer);
+            for (String alias : virtualServer.getAliases()) {
+                virtualServerMap.put(alias, virtualServer);
+            }
+        }
+        DomainNameMapping<SslContext> domainNameMapping = null;
+        if (serverConfig.getAddress().isSecure()) {
+            SslContextBuilder sslContextBuilder = SslContextBuilder.forServer(serverConfig.getKeyCertChainInputStream(),
+                    serverConfig.getKeyInputStream(), serverConfig.getKeyPassword())
+                    .sslProvider(serverConfig.getSslProvider())
+                    .ciphers(serverConfig.getCiphers(), serverConfig.getCipherSuiteFilter());
+            if (serverConfig.getAddress().getVersion().majorVersion() == 2) {
+                sslContextBuilder.applicationProtocolConfig(newApplicationProtocolConfig());
+            }
+            SslContext sslContext = sslContextBuilder.build();
+            DomainNameMappingBuilder<SslContext> mappingBuilder = new DomainNameMappingBuilder<>(sslContext);
+            for (VirtualServer virtualServer : serverConfig.getVirtualServers()) {
+                String name = virtualServer.getName();
+                mappingBuilder.add( name == null ? "*" : name, sslContext);
+            }
+            domainNameMapping = mappingBuilder.build();
+        }
+        HttpAddress httpAddress = serverConfig.getAddress();
+        if (httpAddress.getVersion().majorVersion() == 1) {
+            HttpChannelInitializer httpChannelInitializer = new HttpChannelInitializer(this,
+                    httpAddress, domainNameMapping);
+            bootstrap.childHandler(httpChannelInitializer);
+        } else {
+            Http2ChannelInitializer initializer = new Http2ChannelInitializer(this,
+                    httpAddress, domainNameMapping);
+            bootstrap.childHandler(initializer);
+        }
+    }
+
+    public static ServerBuilder builder() {
+        return new ServerBuilder();
+    }
+
+    public ServerConfig getServerConfig() {
+        return serverConfig;
+    }
+
+    /**
+     * Returns the virtual host with the given name.
+     *
+     * @param name the name of the virtual host to return, or null for
+     *             the default virtual host
+     * @return the virtual host with the given name, or null if it doesn't exist
+     */
+    public VirtualServer getVirtualServer(String name) {
+        return virtualServerMap.get(name);
+    }
+
+    public VirtualServer getDefaultVirtualServer() {
+        return virtualServerMap.get(null);
+    }
+
+    /**
+     * Start accepting incoming connections.
+     */
+    public ChannelFuture accept() {
+        logger.log(Level.INFO, () -> "trying to bind to " + serverConfig.getAddress());
+        this.channelFuture = bootstrap.bind(serverConfig.getAddress().getInetSocketAddress());
+        logger.log(Level.INFO, () -> ServerName.getServerName() + " ready, listening on " + serverConfig.getAddress());
+        return channelFuture;
+    }
+
+    public void logDiagnostics(Level level) {
+        logger.log(level, () -> "OpenSSL available: " + OpenSsl.isAvailable() +
+                " OpenSSL ALPN support: " + OpenSsl.isAlpnSupported() +
+                " Local host name: " + NetworkUtils.getLocalHostName("localhost") +
+                " parent event loop group: " + parentEventLoopGroup +
+                " child event loop group: " + childEventLoopGroup +
+                " socket: " + socketChannelClass.getName() +
+                " allocator: " + byteBufAllocator.getClass().getName());
+        logger.log(level, NetworkUtils::displayNetworkInterfaces);
+    }
+
+    public ServerTransport newTransport(HttpVersion httpVersion) {
+        return httpVersion.majorVersion() == 1 ? new Http1ServerTransport(this) : new Http2ServerTransport(this);
+    }
+
+    public synchronized void shutdownGracefully() throws IOException {
+        // first, shut down threads, then server socket
+        childEventLoopGroup.shutdownGracefully();
+        parentEventLoopGroup.shutdownGracefully();
+        try {
+            channelFuture.channel().closeFuture().sync();
+        } catch (InterruptedException e) {
+            throw new IOException(e);
+        }
+    }
+
+    private static EventLoopGroup createParentEventLoopGroup(ServerConfig serverConfig,
+                                                             EventLoopGroup parentEventLoopGroup ) {
+        EventLoopGroup eventLoopGroup = parentEventLoopGroup;
+        if (eventLoopGroup == null) {
+            eventLoopGroup = serverConfig.isEpoll() ?
+                    new EpollEventLoopGroup(serverConfig.getParentThreadCount(), new HttpServerParentThreadFactory()) :
+                    new NioEventLoopGroup(serverConfig.getParentThreadCount(), new HttpServerParentThreadFactory());
+        }
+        return eventLoopGroup;
+    }
+
+    private static EventLoopGroup createChildEventLoopGroup(ServerConfig serverConfig,
+                                                             EventLoopGroup childEventLoopGroup ) {
+        EventLoopGroup eventLoopGroup = childEventLoopGroup;
+        if (eventLoopGroup == null) {
+            eventLoopGroup = serverConfig.isEpoll() ?
+                    new EpollEventLoopGroup(serverConfig.getChildThreadCount(), new HttpServerChildThreadFactory()) :
+                    new NioEventLoopGroup(serverConfig.getChildThreadCount(), new HttpServerChildThreadFactory());
+        }
+        return eventLoopGroup;
+    }
+
+    private static Class<? extends ServerSocketChannel> createSocketChannelClass(ServerConfig serverConfig,
+                                                                                 Class<? extends ServerSocketChannel> socketChannelClass) {
+        Class<? extends ServerSocketChannel> channelClass = socketChannelClass;
+        if (channelClass == null) {
+            if (serverConfig.isEpoll() && Epoll.isAvailable()) {
+                channelClass = EpollServerSocketChannel.class;
+            } else {
+                channelClass = NioServerSocketChannel.class;
+            }
+        }
+        return channelClass;
+    }
+
+    /**
+     * Initialize trust manager factory once per server lifecycle.
+     * @param serverConfig the server config
+     */
+    private static void initializeTrustManagerFactory(ServerConfig serverConfig) {
+        TrustManagerFactory trustManagerFactory = serverConfig.getTrustManagerFactory();
+        if (trustManagerFactory != null) {
+            try {
+                trustManagerFactory.init(serverConfig.getTrustManagerKeyStore());
+            } catch (KeyStoreException e) {
+                logger.log(Level.WARNING, e.getMessage(), e);
+            }
+        }
+    }
+
+    private static ApplicationProtocolConfig newApplicationProtocolConfig() {
+        return new ApplicationProtocolConfig(ApplicationProtocolConfig.Protocol.ALPN,
+                ApplicationProtocolConfig.SelectorFailureBehavior.NO_ADVERTISE,
+                ApplicationProtocolConfig.SelectedListenerFailureBehavior.ACCEPT,
+                ApplicationProtocolNames.HTTP_2,
+                ApplicationProtocolNames.HTTP_1_1);
+    }
+
+    static class HttpServerParentThreadFactory implements ThreadFactory {
+
+        private int number = 0;
+
+        @Override
+        public Thread newThread(Runnable runnable) {
+            Thread thread = new Thread(runnable, "org-xbib-netty-http-server-parent-" + (number++));
+            thread.setDaemon(true);
+            return thread;
+        }
+    }
+
+    static class HttpServerChildThreadFactory implements ThreadFactory {
+
+        private int number = 0;
+
+        @Override
+        public Thread newThread(Runnable runnable) {
+            Thread thread = new Thread(runnable, "org-xbib-netty-http-server-child-" + (number++));
+            thread.setDaemon(true);
+            return thread;
+        }
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/ServerBuilder.java

@@ -0,0 +1,235 @@
+package org.xbib.netty.http.server;
+
+import io.netty.buffer.ByteBufAllocator;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.WriteBufferWaterMark;
+import io.netty.channel.socket.ServerSocketChannel;
+import io.netty.handler.ssl.CipherSuiteFilter;
+import io.netty.handler.ssl.SslProvider;
+import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
+import org.xbib.netty.http.common.HttpAddress;
+import org.xbib.netty.http.server.context.VirtualServer;
+import org.xbib.netty.http.server.security.tls.SelfSignedCertificate;
+
+import javax.net.ssl.SSLException;
+import javax.net.ssl.TrustManagerFactory;
+import java.io.InputStream;
+
+/**
+ * HTTP server builder.
+ */
+public class ServerBuilder {
+
+    private ByteBufAllocator byteBufAllocator;
+
+    private EventLoopGroup parentEventLoopGroup;
+
+    private EventLoopGroup childEventLoopGroup;
+
+    private Class<? extends ServerSocketChannel> socketChannelClass;
+
+    private ServerConfig serverConfig;
+
+    public ServerBuilder() {
+        this.serverConfig = new ServerConfig();
+    }
+
+    public ServerBuilder enableDebug() {
+        this.serverConfig.enableDebug();
+        return this;
+    }
+
+    public ServerBuilder bind(HttpAddress httpAddress) {
+        this.serverConfig.setAddress(httpAddress);
+        return this;
+    }
+
+    public ServerBuilder host(String bindhost, int bindPort) {
+        this.serverConfig.setAddress(HttpAddress.http2(bindhost, bindPort));
+        return this;
+    }
+
+    public ServerBuilder port(int bindPort) {
+        this.serverConfig.setAddress(HttpAddress.http2(null, bindPort));
+        return this;
+    }
+
+    public ServerBuilder setByteBufAllocator(ByteBufAllocator byteBufAllocator) {
+        this.byteBufAllocator = byteBufAllocator;
+        return this;
+    }
+
+    public ServerBuilder setParentEventLoopGroup(EventLoopGroup parentEventLoopGroup) {
+        this.parentEventLoopGroup = parentEventLoopGroup;
+        return this;
+    }
+
+    public ServerBuilder setChildEventLoopGroup(EventLoopGroup childEventLoopGroup) {
+        this.childEventLoopGroup = childEventLoopGroup;
+        return this;
+    }
+
+    public ServerBuilder setChannelClass(Class<? extends ServerSocketChannel> socketChannelClass) {
+        this.socketChannelClass = socketChannelClass;
+        return this;
+    }
+
+    public ServerBuilder setUseEpoll(boolean useEpoll) {
+        this.serverConfig.setEpoll(useEpoll);
+        return this;
+    }
+
+    public ServerBuilder setConnectTimeoutMillis(int connectTimeoutMillis) {
+        this.serverConfig.setConnectTimeoutMillis(connectTimeoutMillis);
+        return this;
+    }
+
+    public ServerBuilder setParentThreadCount(int parentThreadCount) {
+        this.serverConfig.setParentThreadCount(parentThreadCount);
+        return this;
+    }
+
+    public ServerBuilder setChildThreadCount(int childThreadCount) {
+        this.serverConfig.setChildThreadCount(childThreadCount);
+        return this;
+    }
+
+    public ServerBuilder setTcpSendBufferSize(int tcpSendBufferSize) {
+        this.serverConfig.setTcpSendBufferSize(tcpSendBufferSize);
+        return this;
+    }
+
+    public ServerBuilder setTcpReceiveBufferSize(int tcpReceiveBufferSize) {
+        this.serverConfig.setTcpReceiveBufferSize(tcpReceiveBufferSize);
+        return this;
+    }
+
+    public ServerBuilder setTcpNoDelay(boolean tcpNoDelay) {
+        this.serverConfig.setTcpNodelay(tcpNoDelay);
+        return this;
+    }
+
+    public ServerBuilder setReuseAddr(boolean reuseAddr) {
+        this.serverConfig.setReuseAddr(reuseAddr);
+        return this;
+    }
+
+    public ServerBuilder setBacklogSize(int backlogSize) {
+        this.serverConfig.setBackLogSize(backlogSize);
+        return this;
+    }
+
+    public ServerBuilder setMaxChunkSize(int maxChunkSize) {
+        this.serverConfig.setMaxChunkSize(maxChunkSize);
+        return this;
+    }
+
+    public ServerBuilder setMaxInitialLineLength(int maxInitialLineLength) {
+        this.serverConfig.setMaxInitialLineLength(maxInitialLineLength);
+        return this;
+    }
+
+    public ServerBuilder setMaxHeadersSize(int maxHeadersSize) {
+        this.serverConfig.setMaxHeadersSize(maxHeadersSize);
+        return this;
+    }
+
+    public ServerBuilder setMaxContentLength(int maxContentLength) {
+        this.serverConfig.setMaxContentLength(maxContentLength);
+        return this;
+    }
+
+    public ServerBuilder setMaxCompositeBufferComponents(int maxCompositeBufferComponents) {
+        this.serverConfig.setMaxCompositeBufferComponents(maxCompositeBufferComponents);
+        return this;
+    }
+
+    public ServerBuilder setReadTimeoutMillis(int readTimeoutMillis) {
+        this.serverConfig.setReadTimeoutMillis(readTimeoutMillis);
+        return this;
+    }
+
+    public ServerBuilder setConnectionTimeoutMillis(int connectionTimeoutMillis) {
+        this.serverConfig.setConnectTimeoutMillis(connectionTimeoutMillis);
+        return this;
+    }
+
+    public ServerBuilder setIdleTimeoutMillis(int idleTimeoutMillis) {
+        this.serverConfig.setIdleTimeoutMillis(idleTimeoutMillis);
+        return this;
+    }
+
+    public ServerBuilder setWriteBufferWaterMark(WriteBufferWaterMark writeBufferWaterMark) {
+        this.serverConfig.setWriteBufferWaterMark(writeBufferWaterMark);
+        return this;
+    }
+
+    public ServerBuilder setEnableGzip(boolean enableGzip) {
+        this.serverConfig.setEnableGzip(enableGzip);
+        return this;
+    }
+
+    public ServerBuilder setInstallHttp2Upgrade(boolean installHttp2Upgrade) {
+        this.serverConfig.setInstallHttp2Upgrade(installHttp2Upgrade);
+        return this;
+    }
+
+    public ServerBuilder setSslProvider(SslProvider sslProvider) {
+        this.serverConfig.setSslProvider(sslProvider);
+        return this;
+    }
+
+    public ServerBuilder setJdkSslProvider() {
+        this.serverConfig.setSslProvider(SslProvider.JDK);
+        return this;
+    }
+
+    public ServerBuilder setOpenSSLSslProvider() {
+        this.serverConfig.setSslProvider(SslProvider.OPENSSL);
+        return this;
+    }
+
+    public ServerBuilder setCiphers(Iterable<String> ciphers) {
+        this.serverConfig.setCiphers(ciphers);
+        return this;
+    }
+
+    public ServerBuilder setCipherSuiteFilter(CipherSuiteFilter cipherSuiteFilter) {
+        this.serverConfig.setCipherSuiteFilter(cipherSuiteFilter);
+        return this;
+    }
+
+    public ServerBuilder setKeyCert(InputStream keyCertChainInputStream, InputStream keyInputStream) {
+        this.serverConfig.setKeyCertChainInputStream(keyCertChainInputStream);
+        this.serverConfig.setKeyInputStream(keyInputStream);
+        return this;
+    }
+
+    public ServerBuilder setKeyCert(InputStream keyCertChainInputStream, InputStream keyInputStream,
+                                    String keyPassword) {
+        this.serverConfig.setKeyCertChainInputStream(keyCertChainInputStream);
+        this.serverConfig.setKeyInputStream(keyInputStream);
+        this.serverConfig.setKeyPassword(keyPassword);
+        return this;
+    }
+
+    public ServerBuilder setSelfCert() throws Exception {
+        TrustManagerFactory trustManagerFactory = InsecureTrustManagerFactory.INSTANCE;
+        this.serverConfig.setTrustManagerFactory(trustManagerFactory);
+        String hostName = serverConfig.getAddress().getInetSocketAddress().getHostString();
+        SelfSignedCertificate selfSignedCertificate = new SelfSignedCertificate(hostName);
+        this.serverConfig.setKeyCertChainInputStream(selfSignedCertificate.certificate());
+        this.serverConfig.setKeyInputStream(selfSignedCertificate.privateKey());
+        this.serverConfig.setKeyPassword(null);
+        return this;
+    }
+
+    public ServerBuilder addVirtualHost(VirtualServer virtualServer) {
+        this.serverConfig.addVirtualServer(virtualServer);
+        return this;
+    }
+
+    public Server build() throws SSLException {
+        return new Server(serverConfig, byteBufAllocator, parentEventLoopGroup, childEventLoopGroup, socketChannelClass);
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/ServerConfig.java

@@ -0,0 +1,541 @@
+package org.xbib.netty.http.server;
+
+import io.netty.channel.WriteBufferWaterMark;
+import io.netty.channel.epoll.Epoll;
+import io.netty.handler.codec.http2.Http2SecurityUtil;
+import io.netty.handler.codec.http2.Http2Settings;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.ssl.CipherSuiteFilter;
+import io.netty.handler.ssl.OpenSsl;
+import io.netty.handler.ssl.SslProvider;
+import io.netty.handler.ssl.SupportedCipherSuiteFilter;
+import org.xbib.netty.http.common.HttpAddress;
+import org.xbib.netty.http.server.context.VirtualServer;
+
+import javax.net.ssl.TrustManagerFactory;
+import java.io.InputStream;
+import java.security.KeyStore;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ServerConfig {
+
+    interface Defaults {
+
+        /**
+         * Default bind address. We do not want to use port 80 or 8080.
+         */
+        HttpAddress ADDRESS = HttpAddress.http1("localhost", 8008);
+
+        /**
+         * If frame logging/traffic logging is enabled or not.
+         */
+        boolean DEBUG = false;
+
+        /**
+         * Default debug log level.
+         */
+        LogLevel DEBUG_LOG_LEVEL = LogLevel.DEBUG;
+
+        /**
+         * The default for selecting epoll. If available, select epoll.
+         */
+        boolean EPOLL = Epoll.isAvailable();
+
+        /**
+         * Let Netty decide about parent thread count.
+         */
+        int PARENT_THREAD_COUNT = 0;
+
+        /**
+         * Child thread count. Let Netty decide.
+         */
+        int CHILD_THREAD_COUNT = 0;
+
+        /**
+         * Default for SO_REUSEADDR.
+         */
+        boolean SO_REUSEADDR = true;
+
+        /**
+         * Default for TCP_NODELAY.
+         */
+        boolean TCP_NODELAY = true;
+
+        /**
+         * Set TCP send buffer to 64k per socket.
+         */
+        int TCP_SEND_BUFFER_SIZE = 64 * 1024;
+
+        /**
+         * Set TCP receive buffer to 64k per socket.
+         */
+        int TCP_RECEIVE_BUFFER_SIZE = 64 * 1024;
+
+        /**
+         * Default for socket back log.
+         */
+        int SO_BACKLOG = 10 * 1024;
+
+        /**
+         * Default connect timeout in milliseconds.
+         */
+        int CONNECT_TIMEOUT_MILLIS = 5000;
+
+        /**
+         * Default connect timeout in milliseconds.
+         */
+        int READ_TIMEOUT_MILLIS = 15000;
+
+        /**
+         * Default idle timeout in milliseconds.
+         */
+        int IDLE_TIMEOUT_MILLIS = 30000;
+
+        /**
+         * Set HTTP chunk maximum size to 8k.
+         * See {@link io.netty.handler.codec.http.HttpClientCodec}.
+         */
+        int MAX_CHUNK_SIZE = 8 * 1024;
+
+        /**
+         * Set HTTP initial line length to 4k.
+         * See {@link io.netty.handler.codec.http.HttpClientCodec}.
+         */
+        int MAX_INITIAL_LINE_LENGTH = 4 * 1024;
+
+        /**
+         * Set HTTP maximum headers size to 8k.
+         * See  {@link io.netty.handler.codec.http.HttpClientCodec}.
+         */
+        int MAX_HEADERS_SIZE = 8 * 1024;
+
+        /**
+         * Set maximum content length to 100 MB.
+         */
+        int MAX_CONTENT_LENGTH = 100 * 1024 * 1024;
+
+        /**
+         * This is Netty's default.
+         * See {@link io.netty.handler.codec.MessageAggregator#DEFAULT_MAX_COMPOSITEBUFFER_COMPONENTS}.
+         */
+        int MAX_COMPOSITE_BUFFER_COMPONENTS = 1024;
+
+        /**
+         * Default write buffer water mark.
+         */
+        WriteBufferWaterMark WRITE_BUFFER_WATER_MARK = WriteBufferWaterMark.DEFAULT;
+
+        /**
+         * Default for gzip codec.
+         */
+        boolean ENABLE_GZIP = true;
+
+        /**
+         * Default HTTP/2 settings.
+         */
+        Http2Settings HTTP_2_SETTINGS = Http2Settings.defaultSettings();
+
+        /**
+         * Default for HTTP/2 upgrade under HTTP 1.
+         */
+        boolean INSTALL_HTTP_UPGRADE2 = false;
+
+        /**
+         * Default SSL provider.
+         */
+        SslProvider DEFAULT_SSL_PROVIDER = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
+
+        /**
+         * Default ciphers.
+         */
+        Iterable<String> DEFAULT_CIPHERS = Http2SecurityUtil.CIPHERS;
+
+        /**
+         * Default cipher suite filter.
+         */
+        CipherSuiteFilter DEFAULT_CIPHER_SUITE_FILTER = SupportedCipherSuiteFilter.INSTANCE;
+    }
+
+    private static TrustManagerFactory TRUST_MANAGER_FACTORY;
+
+    static {
+        try {
+            TRUST_MANAGER_FACTORY = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
+        } catch (Exception e) {
+            TRUST_MANAGER_FACTORY = null;
+        }
+    }
+
+    private HttpAddress httpAddress = Defaults.ADDRESS;
+
+    private boolean debug = Defaults.DEBUG;
+
+    private LogLevel debugLogLevel = Defaults.DEBUG_LOG_LEVEL;
+
+    private boolean epoll = Defaults.EPOLL;
+
+    private int parentThreadCount = Defaults.PARENT_THREAD_COUNT;
+
+    private int childThreadCount = Defaults.CHILD_THREAD_COUNT;
+
+    private boolean reuseAddr = Defaults.SO_REUSEADDR;
+
+    private boolean tcpNodelay = Defaults.TCP_NODELAY;
+
+    private int tcpSendBufferSize = Defaults.TCP_SEND_BUFFER_SIZE;
+
+    private int tcpReceiveBufferSize = Defaults.TCP_RECEIVE_BUFFER_SIZE;
+
+    private int backLogSize = Defaults.SO_BACKLOG;
+
+    private int maxInitialLineLength = Defaults.MAX_INITIAL_LINE_LENGTH;
+
+    private int maxHeadersSize = Defaults.MAX_HEADERS_SIZE;
+
+    private int maxChunkSize = Defaults.MAX_CHUNK_SIZE;
+
+    private int maxContentLength = Defaults.MAX_CONTENT_LENGTH;
+
+    private int maxCompositeBufferComponents = Defaults.MAX_COMPOSITE_BUFFER_COMPONENTS;
+
+    private int connectTimeoutMillis = Defaults.CONNECT_TIMEOUT_MILLIS;
+
+    private int readTimeoutMillis = Defaults.READ_TIMEOUT_MILLIS;
+
+    private int idleTimeoutMillis = Defaults.IDLE_TIMEOUT_MILLIS;
+
+    private WriteBufferWaterMark writeBufferWaterMark = Defaults.WRITE_BUFFER_WATER_MARK;
+
+    private boolean enableGzip = Defaults.ENABLE_GZIP;
+
+    private Http2Settings http2Settings = Defaults.HTTP_2_SETTINGS;
+
+    private boolean installHttp2Upgrade = Defaults.INSTALL_HTTP_UPGRADE2;
+
+    private SslProvider sslProvider = Defaults.DEFAULT_SSL_PROVIDER;
+
+    private Iterable<String> ciphers = Defaults.DEFAULT_CIPHERS;
+
+    private CipherSuiteFilter cipherSuiteFilter = Defaults.DEFAULT_CIPHER_SUITE_FILTER;
+
+    private InputStream keyCertChainInputStream;
+
+    private InputStream keyInputStream;
+
+    private String keyPassword;
+
+    private List<VirtualServer> virtualServers;
+
+    private TrustManagerFactory trustManagerFactory = TRUST_MANAGER_FACTORY;
+
+    private KeyStore trustManagerKeyStore = null;
+
+    public ServerConfig() {
+        this.virtualServers = new ArrayList<>();
+        addVirtualServer(new VirtualServer(null));
+    }
+
+    public ServerConfig enableDebug() {
+        this.debug = true;
+        return this;
+    }
+
+    public ServerConfig disableDebug() {
+        this.debug = false;
+        return this;
+    }
+
+    public boolean isDebug() {
+        return debug;
+    }
+
+    public ServerConfig setDebugLogLevel(LogLevel debugLogLevel) {
+        this.debugLogLevel = debugLogLevel;
+        return this;
+    }
+
+    public LogLevel getDebugLogLevel() {
+        return debugLogLevel;
+    }
+
+    public ServerConfig enableEpoll() {
+        this.epoll = true;
+        return this;
+    }
+
+    public ServerConfig disableEpoll() {
+        this.epoll = false;
+        return this;
+    }
+
+    public ServerConfig setEpoll(boolean epoll) {
+        this.epoll = epoll;
+        return this;
+    }
+
+    public boolean isEpoll() {
+        return epoll;
+    }
+
+    public ServerConfig setParentThreadCount(int parentThreadCount) {
+        this.parentThreadCount = parentThreadCount;
+        return this;
+    }
+
+    public int getParentThreadCount() {
+        return parentThreadCount;
+    }
+
+    public ServerConfig setChildThreadCount(int childThreadCount) {
+        this.childThreadCount = childThreadCount;
+        return this;
+    }
+
+    public int getChildThreadCount() {
+        return childThreadCount;
+    }
+
+    public ServerConfig setReuseAddr(boolean reuseAddr) {
+        this.reuseAddr = reuseAddr;
+        return this;
+    }
+
+    public boolean isReuseAddr() {
+        return reuseAddr;
+    }
+
+    public ServerConfig setTcpNodelay(boolean tcpNodelay) {
+        this.tcpNodelay = tcpNodelay;
+        return this;
+    }
+
+    public boolean isTcpNodelay() {
+        return tcpNodelay;
+    }
+
+    public ServerConfig setTcpSendBufferSize(int tcpSendBufferSize) {
+        this.tcpSendBufferSize = tcpSendBufferSize;
+        return this;
+    }
+
+    public int getTcpSendBufferSize() {
+        return tcpSendBufferSize;
+    }
+
+    public ServerConfig setTcpReceiveBufferSize(int tcpReceiveBufferSize) {
+        this.tcpReceiveBufferSize = tcpReceiveBufferSize;
+        return this;
+    }
+
+    public int getTcpReceiveBufferSize() {
+        return tcpReceiveBufferSize;
+    }
+
+    public ServerConfig setBackLogSize(int backLogSize) {
+        this.backLogSize = backLogSize;
+        return this;
+    }
+
+    public int getBackLogSize() {
+        return backLogSize;
+    }
+
+    public ServerConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
+        this.connectTimeoutMillis = connectTimeoutMillis;
+        return this;
+    }
+
+    public int getConnectTimeoutMillis() {
+        return connectTimeoutMillis;
+    }
+
+    public ServerConfig setReadTimeoutMillis(int readTimeoutMillis) {
+        this.readTimeoutMillis = readTimeoutMillis;
+        return this;
+    }
+
+    public int getReadTimeoutMillis() {
+        return readTimeoutMillis;
+    }
+
+    public ServerConfig setIdleTimeoutMillis(int idleTimeoutMillis) {
+        this.idleTimeoutMillis = idleTimeoutMillis;
+        return this;
+    }
+
+    public int getIdleTimeoutMillis() {
+        return idleTimeoutMillis;
+    }
+
+    public ServerConfig setAddress(HttpAddress httpAddress) {
+        this.httpAddress = httpAddress;
+        return this;
+    }
+
+    public HttpAddress getAddress() {
+        return httpAddress;
+    }
+
+    public ServerConfig setMaxInitialLineLength(int maxInitialLineLength) {
+        this.maxInitialLineLength = maxInitialLineLength;
+        return this;
+    }
+
+    public int getMaxInitialLineLength() {
+        return maxInitialLineLength;
+    }
+
+    public ServerConfig setMaxHeadersSize(int maxHeadersSize) {
+        this.maxHeadersSize = maxHeadersSize;
+        return this;
+    }
+
+    public int getMaxHeadersSize() {
+        return maxHeadersSize;
+    }
+
+    public ServerConfig setMaxChunkSize(int maxChunkSize) {
+        this.maxChunkSize = maxChunkSize;
+        return this;
+    }
+
+    public int getMaxChunkSize() {
+        return maxChunkSize;
+    }
+
+    public ServerConfig setMaxContentLength(int maxContentLength) {
+        this.maxContentLength = maxContentLength;
+        return this;
+    }
+
+    public int getMaxContentLength() {
+        return maxContentLength;
+    }
+
+    public ServerConfig setMaxCompositeBufferComponents(int maxCompositeBufferComponents) {
+        this.maxCompositeBufferComponents = maxCompositeBufferComponents;
+        return this;
+    }
+
+    public int getMaxCompositeBufferComponents() {
+        return maxCompositeBufferComponents;
+    }
+
+    public ServerConfig setWriteBufferWaterMark(WriteBufferWaterMark writeBufferWaterMark) {
+        this.writeBufferWaterMark = writeBufferWaterMark;
+        return this;
+    }
+
+    public WriteBufferWaterMark getWriteBufferWaterMark() {
+        return writeBufferWaterMark;
+    }
+
+    public ServerConfig setEnableGzip(boolean enableGzip) {
+        this.enableGzip = enableGzip;
+        return this;
+    }
+
+    public boolean isEnableGzip() {
+        return enableGzip;
+    }
+
+    public ServerConfig setInstallHttp2Upgrade(boolean http2Upgrade) {
+        this.installHttp2Upgrade = http2Upgrade;
+        return this;
+    }
+
+    public boolean isInstallHttp2Upgrade() {
+        return installHttp2Upgrade;
+    }
+
+    public ServerConfig setHttp2Settings(Http2Settings http2Settings) {
+        this.http2Settings = http2Settings;
+        return this;
+    }
+
+    public Http2Settings getHttp2Settings() {
+        return http2Settings;
+    }
+
+    public ServerConfig setSslProvider(SslProvider sslProvider) {
+        this.sslProvider = sslProvider;
+        return this;
+    }
+
+    public SslProvider getSslProvider() {
+        return sslProvider;
+    }
+
+    public ServerConfig setCiphers(Iterable<String> ciphers) {
+        this.ciphers = ciphers;
+        return this;
+    }
+
+    public Iterable<String> getCiphers() {
+        return ciphers;
+    }
+
+    public ServerConfig setCipherSuiteFilter(CipherSuiteFilter cipherSuiteFilter) {
+        this.cipherSuiteFilter = cipherSuiteFilter;
+        return this;
+    }
+
+    public CipherSuiteFilter getCipherSuiteFilter() {
+        return cipherSuiteFilter;
+    }
+
+    public ServerConfig setKeyCertChainInputStream(InputStream keyCertChainInputStream) {
+        this.keyCertChainInputStream = keyCertChainInputStream;
+        return this;
+    }
+
+    public InputStream getKeyCertChainInputStream() {
+        return keyCertChainInputStream;
+    }
+
+    public ServerConfig setKeyInputStream(InputStream keyInputStream) {
+        this.keyInputStream = keyInputStream;
+        return this;
+    }
+
+    public InputStream getKeyInputStream() {
+        return keyInputStream;
+    }
+
+    public ServerConfig setKeyPassword(String keyPassword) {
+        this.keyPassword = keyPassword;
+        return this;
+    }
+
+    public String getKeyPassword() {
+        return keyPassword;
+    }
+
+    public ServerConfig addVirtualServer(VirtualServer virtualServer) {
+        this.virtualServers.add(virtualServer);
+        return this;
+    }
+
+    public List<VirtualServer> getVirtualServers() {
+        return virtualServers;
+    }
+
+    public ServerConfig setTrustManagerFactory(TrustManagerFactory trustManagerFactory) {
+        this.trustManagerFactory = trustManagerFactory;
+        return this;
+    }
+
+    public TrustManagerFactory getTrustManagerFactory() {
+        return trustManagerFactory;
+    }
+
+    public ServerConfig setTrustManagerKeyStore(KeyStore trustManagerKeyStore) {
+        this.trustManagerKeyStore = trustManagerKeyStore;
+        return this;
+    }
+
+    public KeyStore getTrustManagerKeyStore() {
+        return trustManagerKeyStore;
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/ServerName.java

@@ -0,0 +1,44 @@
+package org.xbib.netty.http.server;
+
+import io.netty.bootstrap.Bootstrap;
+
+import java.util.Optional;
+
+/**
+ * Server name.
+ */
+public final class ServerName {
+
+    /**
+     * The default value for {@code Server} header.
+     */
+    private static final String SERVER_NAME = String.format("XbibHttpServer/%s (Java/%s/%s) (Netty/%s)",
+            httpServerVersion(), javaVendor(), javaVersion(), nettyVersion());
+
+    private ServerName() {
+    }
+
+    public static String getServerName() {
+        return SERVER_NAME;
+    }
+
+    private static String httpServerVersion() {
+        return Optional.ofNullable(Server.class.getPackage().getImplementationVersion())
+                .orElse("unknown");
+    }
+
+    private static String javaVendor() {
+        return Optional.ofNullable(System.getProperty("java.vendor"))
+                .orElse("unknown");
+    }
+
+    private static String javaVersion() {
+        return Optional.ofNullable(System.getProperty("java.version"))
+                .orElse("unknown");
+    }
+
+    private static String nettyVersion() {
+        return Optional.ofNullable(Bootstrap.class.getPackage().getImplementationVersion())
+                .orElse("unknown");
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/context/Context.java

@@ -0,0 +1,33 @@
+package org.xbib.netty.http.server.context;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The {@code Context} annotation decorates methods which are mapped
+ * to a context (path) within the server, and provide its contents.
+ * The annotated methods must have the same signature and contract
+ * as {@link ContextHandler#serve}, but can have arbitrary names.
+ *
+ * @see VirtualServer#addContexts(Object)
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface Context {
+
+    /**
+     * The context (path) that this field maps to (must begin with '/').
+     *
+     * @return the context (path) that this field maps to
+     */
+    String value();
+
+    /**
+     * The HTTP methods supported by this context handler (default is "GET").
+     *
+     * @return the HTTP methods supported by this context handler
+     */
+    String[] methods() default "GET";
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/context/ContextHandler.java

@@ -0,0 +1,25 @@
+package org.xbib.netty.http.server.context;
+
+import org.xbib.netty.http.server.transport.ServerRequest;
+import org.xbib.netty.http.server.transport.ServerResponse;
+
+import java.io.IOException;
+
+/**
+ * A {@code ContextHandler} is capable of serving content for
+ * resources within its context.
+ *
+ * @see VirtualServer#addContext
+ */
+@FunctionalInterface
+public interface ContextHandler {
+
+    /**
+     * Serves the given request using the given response.
+     *
+     * @param serverRequest  the request to be served
+     * @param serverResponse the response to be filled
+     * @throws IOException if an IO error occurs
+     */
+    void serve(ServerRequest serverRequest, ServerResponse serverResponse) throws IOException;
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/context/ContextInfo.java

@@ -0,0 +1,43 @@
+package org.xbib.netty.http.server.context;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The {@code ContextInfo} class holds a single context's information.
+ */
+public class ContextInfo {
+
+    private final Map<String, ContextHandler> handlers = new HashMap<>(2);
+
+    private final VirtualServer virtualServer;
+
+    public ContextInfo(VirtualServer virtualServer) {
+        this.virtualServer = virtualServer;
+    }
+
+    /**
+     * Returns the map of supported HTTP methods and their corresponding handlers.
+     *
+     * @return the map of supported HTTP methods and their corresponding handlers
+     */
+    public Map<String, ContextHandler> getHandlers() {
+        return handlers;
+    }
+
+    /**
+     * Adds (or replaces) a context handler for the given HTTP methods.
+     *
+     * @param handler the context handler
+     * @param methods the HTTP methods supported by the handler (default is "GET")
+     */
+    public void addHandler(ContextHandler handler, String... methods) {
+        if (methods.length == 0) {
+            methods = new String[]{"GET"};
+        }
+        for (String method : methods) {
+            handlers.put(method, handler);
+            virtualServer.getMethods().add(method);
+        }
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/context/MethodContextHandler.java

@@ -0,0 +1,46 @@
+package org.xbib.netty.http.server.context;
+
+import org.xbib.netty.http.server.transport.ServerRequest;
+import org.xbib.netty.http.server.transport.ServerResponse;
+
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/**
+ * The {@code MethodContextHandler} services a context
+ * by invoking a handler method on a specified object.
+ * The method must have the same signature and contract as
+ * {@link ContextHandler#serve}, but can have an arbitrary name.
+ *
+ * @see VirtualServer#addContexts(Object)
+ */
+public class MethodContextHandler implements ContextHandler {
+
+    private final Method m;
+
+    private final Object obj;
+
+    public MethodContextHandler(Method m, Object obj) throws IllegalArgumentException {
+        this.m = m;
+        this.obj = obj;
+        Class<?>[] params = m.getParameterTypes();
+        if (params.length != 2
+                || !ServerRequest.class.isAssignableFrom(params[0])
+                || !ServerResponse.class.isAssignableFrom(params[1])
+                || !int.class.isAssignableFrom(m.getReturnType())) {
+            throw new IllegalArgumentException("invalid method signature: " + m);
+        }
+    }
+
+    @Override
+    public void serve(ServerRequest serverRequest, ServerResponse serverResponse) throws IOException {
+        try {
+            m.invoke(obj, serverRequest, serverResponse);
+        } catch (InvocationTargetException ite) {
+            throw new IOException("error: " + ite.getCause().getMessage());
+        } catch (Exception e) {
+            throw new IOException("error: " + e);
+        }
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/context/VirtualServer.java

@@ -0,0 +1,187 @@
+package org.xbib.netty.http.server.context;
+
+import java.lang.reflect.Method;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * The {@code VirtualServer} class represents a virtual server.
+ */
+public class VirtualServer {
+
+    private final String name;
+
+    private final Set<String> aliases;
+
+    private final Set<String> methods;
+
+    private final ContextInfo emptyContext;
+
+    private final Map<String, ContextInfo> contexts;
+
+    private volatile boolean allowGeneratedIndex;
+
+    /**
+     * Constructs a VirtualServer with the given name.
+     *
+     * @param name the name, or null if it is the default server
+     */
+    public VirtualServer(String name) {
+        this.name = name;
+        this.aliases = new HashSet<>();
+        this.methods = new HashSet<>();
+        this.contexts = new HashMap<>();
+        this.emptyContext = new ContextInfo(this);
+        contexts.put("*", new ContextInfo(this)); // for "OPTIONS *"
+    }
+
+    /**
+     * Returns the name.
+     *
+     * @return the name, or null if it is the default server
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Adds an alias for this virtual server.
+     *
+     * @param alias the alias
+     */
+    public void addAlias(String alias) {
+        aliases.add(alias);
+    }
+
+    /**
+     * Returns the aliases.
+     *
+     * @return the (unmodifiable) set of aliases (which may be empty)
+     */
+    public Set<String> getAliases() {
+        return Collections.unmodifiableSet(aliases);
+    }
+
+    /**
+     * Returns whether auto-generated indices are allowed.
+     *
+     * @return whether auto-generated indices are allowed
+     */
+    public boolean isAllowGeneratedIndex() {
+        return allowGeneratedIndex;
+    }
+
+    /**
+     * Sets whether auto-generated indices are allowed. If false, and a
+     * directory resource is requested, an error will be returned instead.
+     *
+     * @param allowed specifies whether generated indices are allowed
+     */
+    public void setAllowGeneratedIndex(boolean allowed) {
+        this.allowGeneratedIndex = allowed;
+    }
+
+    /**
+     * Returns all HTTP methods explicitly supported by at least one context
+     * (this may or may not include the methods with required or built-in support).
+     *
+     * @return all HTTP methods explicitly supported by at least one context
+     */
+    public Set<String> getMethods() {
+        return methods;
+    }
+
+    /**
+     * Returns the context handler for the given path.
+     * If a context is not found for the given path, the search is repeated for
+     * its parent path, and so on until a base context is found. If neither the
+     * given path nor any of its parents has a context, an empty context is returned.
+     *
+     * @param path the context's path
+     * @return the context info for the given path, or an empty context if none exists
+     */
+    public ContextInfo getContext(String path) {
+        path = trimRight(path, '/'); // remove trailing slash
+        ContextInfo info = null;
+        while (info == null && path != null) {
+            info = contexts.get(path);
+            path = getParentPath(path);
+        }
+        return info != null ? info : emptyContext;
+    }
+
+    /**
+     * Adds a context and its corresponding context handler to this server.
+     * Paths are normalized by removing trailing slashes (except the root).
+     *
+     * @param path    the context's path (must start with '/')
+     * @param handler the context handler for the given path
+     * @param methods the HTTP methods supported by the context handler (default is "GET")
+     * @throws IllegalArgumentException if path is malformed
+     */
+    public void addContext(String path, ContextHandler handler, String... methods) {
+        if (path == null || !path.startsWith("/") && !path.equals("*")) {
+            throw new IllegalArgumentException("invalid path: " + path);
+        }
+        path = trimRight(path, '/');
+        ContextInfo info = new ContextInfo(this);
+        ContextInfo existing = contexts.putIfAbsent(path, info);
+        info = existing != null ? existing : info;
+        info.addHandler(handler, methods);
+    }
+
+    /**
+     * Adds contexts for all methods of the given object that
+     * are annotated with the {@link Context} annotation.
+     *
+     * @param o the object whose annotated methods are added
+     * @throws IllegalArgumentException if a Context-annotated
+     *                                  method has an {@link Context invalid signature}
+     */
+    public void addContexts(Object o) throws IllegalArgumentException {
+        for (Class<?> c = o.getClass(); c != null; c = c.getSuperclass()) {
+            // add to contexts those with @Context annotation
+            for (Method m : c.getDeclaredMethods()) {
+                Context context = m.getAnnotation(Context.class);
+                if (context != null) {
+                    //m.setAccessible(true); // allow access to private method
+                    addContext(context.value(), new MethodContextHandler(m, o), context.methods());
+                }
+            }
+        }
+    }
+
+    /**
+     * Returns the given string with all occurrences of the given character
+     * removed from its right side.
+     *
+     * @param s the string to trim
+     * @param c the character to remove
+     * @return the trimmed string
+     */
+    private static String trimRight(String s, char c) {
+        int len = s.length() - 1;
+        int end = len;
+        while (end >= 0 && s.charAt(end) == c) {
+            end--;
+        }
+        return end == len ? s : s.substring(0, end + 1);
+    }
+
+    /**
+     * Returns the parent of the given path.
+     *
+     * @param path the path whose parent is returned (must start with '/')
+     * @return the parent of the given path (excluding trailing slash),
+     * or null if given path is the root path
+     */
+    private static String getParentPath(String path) {
+        path = trimRight(path, '/'); // remove trailing slash
+        int slash = path.lastIndexOf('/');
+        return slash == -1 ? null : path.substring(0, slash);
+    }
+
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/HttpServerChannelInitializer.java

@@ -0,0 +1,220 @@
+package org.xbib.netty.http.server.handler;
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.handler.codec.http.HttpContentDecompressor;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpServerCodec;
+import io.netty.handler.codec.http.HttpServerUpgradeHandler;
+import io.netty.handler.codec.http2.CleartextHttp2ServerUpgradeHandler;
+import io.netty.handler.codec.http2.Http2ConnectionHandler;
+import io.netty.handler.codec.http2.Http2MultiplexCodec;
+import io.netty.handler.codec.http2.Http2MultiplexCodecBuilder;
+import io.netty.handler.codec.http2.Http2ServerUpgradeCodec;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.ssl.ApplicationProtocolNames;
+import io.netty.handler.ssl.ApplicationProtocolNegotiationHandler;
+import io.netty.handler.ssl.SniHandler;
+import io.netty.handler.ssl.SslContext;
+import io.netty.util.AsciiString;
+import io.netty.util.DomainNameMapping;
+import org.xbib.netty.http.server.Server;
+import org.xbib.netty.http.server.ServerConfig;
+import org.xbib.netty.http.server.handler.http1.HttpHandler;
+import org.xbib.netty.http.server.handler.http1.IdleTimeoutHandler;
+import org.xbib.netty.http.server.handler.http1.TrafficLoggingHandler;
+import org.xbib.netty.http.server.handler.http2.UserEventLogger;
+import org.xbib.netty.http.server.internal.Http1ObjectEncoder;
+import org.xbib.netty.http.server.internal.Http2ObjectEncoder;
+import org.xbib.netty.http.server.internal.HttpObjectEncoder;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * HTTP server channel initializer.
+ */
+public class HttpServerChannelInitializer extends ChannelInitializer<SocketChannel> {
+
+    private static final Logger logger = Logger.getLogger(HttpServerChannelInitializer.class.getName());
+
+    private final Server server;
+
+    private final ServerConfig serverConfig;
+
+    private final Http2ConnectionHandler http2ConnectionHandler;
+
+    private final DomainNameMapping<SslContext> domainNameMapping;
+
+    public HttpServerChannelInitializer(Server server, ServerConfig serverConfig,
+                                        DomainNameMapping<SslContext> domainNameMapping) {
+        this.server = server;
+        this.serverConfig = serverConfig;
+        this.domainNameMapping = domainNameMapping;
+        this.http2ConnectionHandler = null;//createHttp2ConnectionHandler(serverConfig);
+
+    }
+
+    @Override
+    public void initChannel(SocketChannel ch) {
+        if (serverConfig.isDebug()) {
+            ch.pipeline().addLast(new TrafficLoggingHandler(LogLevel.DEBUG));
+        }
+        if (serverConfig.getAddress().isSecure()) {
+            configureSecure(ch);
+        } else {
+            configureClearText(ch);
+        }
+        HttpObjectEncoder encoder = serverConfig.getAddress().getVersion().majorVersion() == 2 ?
+                new Http2ObjectEncoder(http2ConnectionHandler.encoder()) :
+                new Http1ObjectEncoder();
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, "server channel initialized: " + ch.pipeline().names());
+        }
+    }
+
+    private void configureClearText(SocketChannel ch) {
+        ChannelPipeline pipeline = ch.pipeline();
+        if (serverConfig.getAddress().getVersion().majorVersion() == 1) {
+            if (serverConfig.isInstallHttp2Upgrade()) {
+                installHttp2Upgrade(pipeline);
+            } else {
+                pipeline.addFirst(new IdleTimeoutHandler());
+                pipeline.addLast(new UserEventLogger());
+                pipeline.addLast(createHttp1ConnectionHandler(serverConfig));
+                configureHttp1Pipeline(pipeline);
+            }
+        } else if (serverConfig.getAddress().getVersion().majorVersion() == 2) {
+            pipeline.addLast(http2ConnectionHandler);
+            configureHttp2Pipeline(pipeline);
+        }
+    }
+
+    private void installHttp2Upgrade(ChannelPipeline pipeline) {
+        HttpServerCodec httpServerCodec = new HttpServerCodec();
+        HttpServerUpgradeHandler httpServerUpgradeHandler = new HttpServerUpgradeHandler(httpServerCodec, protocol -> {
+            if (AsciiString.contentEquals("h2c", protocol)) {
+                return new Http2ServerUpgradeCodec(http2ConnectionHandler);
+            } else {
+                return null;
+            }
+        });
+        pipeline.addLast(new CleartextHttp2ServerUpgradeHandler(httpServerCodec, httpServerUpgradeHandler,
+                new HttpHandler(server)));
+    }
+
+    private void configureSecure(SocketChannel ch) {
+        ChannelPipeline pipeline = ch.pipeline();
+        pipeline.addLast(new SniHandler(domainNameMapping));
+        pipeline.addLast(new Http2NegotiationHandler(ApplicationProtocolNames.HTTP_1_1));
+    }
+
+    private HttpServerCodec createHttp1ConnectionHandler(ServerConfig context) {
+        return new HttpServerCodec(context.getMaxInitialLineLength(),
+                context.getMaxHeadersSize(), context.getMaxChunkSize());
+    }
+
+    private void configureHttp1Pipeline(ChannelPipeline pipeline) {
+        if (serverConfig.isEnableGzip()) {
+            pipeline.addLast(new HttpContentDecompressor());
+        }
+        HttpObjectAggregator httpObjectAggregator =
+                new HttpObjectAggregator(serverConfig.getMaxContentLength(), false);
+        httpObjectAggregator.setMaxCumulationBufferComponents(serverConfig.getMaxCompositeBufferComponents());
+        pipeline.addLast(httpObjectAggregator);
+        pipeline.addLast(new HttpHandler(server));
+    }
+
+    private void configureHttp2Pipeline(ChannelPipeline pipeline) {
+        pipeline.addLast(new UserEventLogger());
+        pipeline.addLast(new HttpHandler(server));
+    }
+
+    /*private static Http2ConnectionHandler createHttp2ConnectionHandler(ServerConfig serverConfig) {
+        Http2Settings initialSettings = serverConfig.getHttp2Settings();
+        Http2Connection http2Connection = new DefaultHttp2Connection(true);
+        Long maxHeaderListSize = initialSettings.maxHeaderListSize();
+        Http2FrameReader frameReader = new DefaultHttp2FrameReader(maxHeaderListSize == null ?
+                new DefaultHttp2HeadersDecoder(true) :
+                new DefaultHttp2HeadersDecoder(true, maxHeaderListSize));
+        Http2FrameWriter frameWriter = new DefaultHttp2FrameWriter();
+        Http2FrameLogger frameLogger = null;
+        if (serverConfig.isDebug()) {
+            frameLogger = new Http2FrameLogger(serverConfig.getDebugLogLevel(), "server");
+        }
+        if (frameLogger != null) {
+            frameWriter = new Http2OutboundFrameLogger(frameWriter, frameLogger);
+            frameReader = new Http2InboundFrameLogger(frameReader, frameLogger);
+        }
+        Http2ConnectionEncoder encoder = new DefaultHttp2ConnectionEncoder(http2Connection, frameWriter);
+        Http2ConnectionDecoder decoder = new DefaultHttp2ConnectionDecoder(http2Connection, encoder, frameReader);
+        Http2ConnectionHandler http2ConnectionHandler = new Http2ServerConnectionHandler(decoder, encoder, initialSettings);
+        Http2Handler http2Handler = new Http2Handler(serverConfig, http2Connection, true);
+        http2ConnectionHandler.connection().addListener(http2Handler);
+        http2ConnectionHandler.decoder().frameListener(new DelegatingDecompressorFrameListener(http2Connection, http2Handler));
+        if (serverConfig.getIdleTimeoutMillis() > 0) {
+            http2ConnectionHandler.gracefulShutdownTimeoutMillis(serverConfig.getIdleTimeoutMillis());
+        }
+        return http2ConnectionHandler;
+    }*/
+
+    private ChannelHandler createMultiplexInitializer() {
+        /*HttpObjectAggregator httpObjectAggregator =
+                new HttpObjectAggregator(serverConfig.getMaxContentLength(), false);
+        httpObjectAggregator.setMaxCumulationBufferComponents(serverConfig.getMaxCompositeBufferComponents());*/
+        return new ChannelInitializer<Channel>() {
+            @Override
+            protected void initChannel(Channel ch) {
+                ch.pipeline().addLast(http2ConnectionHandler);
+                configureHttp2Pipeline(ch.pipeline());
+                        //.addLast(new Http2StreamFrameToHttpObjectCodec(true))
+                        //.addLast(httpObjectAggregator)
+                        //.addLast(httpHandler);
+            }
+        };
+    }
+
+    private Http2MultiplexCodec createHttp2MultiplexCodec() {
+        Http2MultiplexCodecBuilder multiplexCodecBuilder = Http2MultiplexCodecBuilder.forServer(createMultiplexInitializer());
+        multiplexCodecBuilder.initialSettings(serverConfig.getHttp2Settings());
+        if (serverConfig.getIdleTimeoutMillis() > 0) {
+            multiplexCodecBuilder.gracefulShutdownTimeoutMillis(serverConfig.getIdleTimeoutMillis());
+        }
+        return multiplexCodecBuilder.build();
+    }
+
+    /**
+     * Negotiates with the browser if HTTP/2 or HTTP is going to be used. Once decided, the
+     * pipeline is setup with the correct handlers for the selected protocol.
+     */
+    class Http2NegotiationHandler extends ApplicationProtocolNegotiationHandler {
+
+        Http2NegotiationHandler(String fallbackProtocol) {
+            super(fallbackProtocol);
+        }
+
+        @Override
+        protected void configurePipeline(ChannelHandlerContext ctx, String protocol) {
+            ChannelPipeline pipeline = ctx.pipeline();
+            if (ApplicationProtocolNames.HTTP_1_1.equals(protocol)) {
+                pipeline.addLast(createHttp1ConnectionHandler(serverConfig));
+                configureHttp1Pipeline(pipeline);
+                return;
+            }
+            if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
+                pipeline.addLast(http2ConnectionHandler);
+                configureHttp2Pipeline(pipeline);
+                if (serverConfig.isDebug()) {
+                    logger.log(Level.INFO, "after successful HTTP/2 negotiation: " + pipeline.names());
+                }
+                return;
+            }
+            ctx.close();
+            throw new IllegalStateException("unknown protocol: " + protocol);
+        }
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http1/HttpChannelInitializer.java

@@ -0,0 +1,75 @@
+package org.xbib.netty.http.server.handler.http1;
+
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.handler.codec.http.HttpContentDecompressor;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpServerCodec;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.ssl.SniHandler;
+import io.netty.handler.ssl.SslContext;
+import io.netty.util.DomainNameMapping;
+import org.xbib.netty.http.common.HttpAddress;
+import org.xbib.netty.http.server.Server;
+import org.xbib.netty.http.server.ServerConfig;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class HttpChannelInitializer extends ChannelInitializer<SocketChannel> {
+
+    private static final Logger logger = Logger.getLogger(HttpChannelInitializer.class.getName());
+
+    private final ServerConfig serverConfig;
+
+    private final HttpAddress httpAddress;
+
+    private final HttpHandler httpHandler;
+
+    private final DomainNameMapping<SslContext> domainNameMapping;
+
+    public HttpChannelInitializer(Server server,
+                                  HttpAddress httpAddress,
+                                  DomainNameMapping<SslContext> domainNameMapping) {
+        this.serverConfig = server.getServerConfig();
+        this.httpAddress = httpAddress;
+        this.domainNameMapping = domainNameMapping;
+        this.httpHandler = new HttpHandler(server);
+    }
+
+    @Override
+    public void initChannel(SocketChannel channel) {
+        if (serverConfig.isDebug()) {
+            channel.pipeline().addLast(new TrafficLoggingHandler(LogLevel.DEBUG));
+        }
+        if (httpAddress.isSecure()) {
+            configureEncrypted(channel);
+        } else {
+            configureCleartext(channel);
+        }
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, "HTTP 1 channel initialized: " + channel.pipeline().names());
+        }
+    }
+
+    private void configureEncrypted(SocketChannel channel)  {
+        ChannelPipeline pipeline = channel.pipeline();
+        pipeline.addLast(new SniHandler(domainNameMapping));
+        configureCleartext(channel);
+    }
+
+    private void configureCleartext(SocketChannel channel) {
+        ChannelPipeline pipeline = channel.pipeline();
+        pipeline.addLast(new HttpServerCodec(serverConfig.getMaxInitialLineLength(),
+                serverConfig.getMaxHeadersSize(), serverConfig.getMaxChunkSize()));
+        if (serverConfig.isEnableGzip()) {
+            pipeline.addLast(new HttpContentDecompressor());
+        }
+        HttpObjectAggregator httpObjectAggregator = new HttpObjectAggregator(serverConfig.getMaxContentLength(),
+                false);
+        httpObjectAggregator.setMaxCumulationBufferComponents(serverConfig.getMaxCompositeBufferComponents());
+        pipeline.addLast(httpObjectAggregator);
+        pipeline.addLast(httpHandler);
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http1/HttpHandler.java

@@ -0,0 +1,55 @@
+package org.xbib.netty.http.server.handler.http1;
+
+import io.netty.buffer.Unpooled;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.handler.codec.http.DefaultFullHttpResponse;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.HttpVersion;
+import org.xbib.netty.http.server.Server;
+import org.xbib.netty.http.server.transport.ServerTransport;
+
+import java.nio.charset.StandardCharsets;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * HTTP handler.
+ */
+@ChannelHandler.Sharable
+public class HttpHandler extends ChannelInboundHandlerAdapter {
+
+    private static final Logger logger = Logger.getLogger(HttpHandler.class.getName());
+
+    private final Server server;
+
+    public HttpHandler(Server server) {
+        this.server = server;
+    }
+
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+        if (msg instanceof FullHttpRequest) {
+            FullHttpRequest fullHttpRequest = (FullHttpRequest) msg;
+            ServerTransport serverTransport = server.newTransport(fullHttpRequest.protocolVersion());
+            serverTransport.requestReceived(ctx, fullHttpRequest);
+        } else {
+            super.channelRead(ctx, msg);
+        }
+    }
+
+    @Override
+    public void channelReadComplete(ChannelHandlerContext ctx) {
+        ctx.flush();
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
+        logger.log(Level.WARNING, cause.getMessage(), cause);
+        ctx.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
+                HttpResponseStatus.INTERNAL_SERVER_ERROR,
+                Unpooled.copiedBuffer(cause.getMessage().getBytes(StandardCharsets.UTF_8))));
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http1/IdleTimeoutHandler.java

@@ -0,0 +1,32 @@
+package org.xbib.netty.http.server.handler.http1;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.timeout.IdleStateEvent;
+import io.netty.handler.timeout.IdleStateHandler;
+
+import java.text.MessageFormat;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Idle timeout handler.
+ */
+@ChannelHandler.Sharable
+public class IdleTimeoutHandler extends IdleStateHandler {
+
+    private final Logger logger = Logger.getLogger(IdleTimeoutHandler.class.getName());
+
+    public IdleTimeoutHandler() {
+        super(30, 30, 30);
+    }
+
+    @Override
+    protected final void channelIdle(ChannelHandlerContext ctx, IdleStateEvent evt) {
+        if (!evt.isFirst()) {
+            return;
+        }
+        logger.log(Level.WARNING, () -> MessageFormat.format("{0} closing an idle connection", ctx.channel()));
+        ctx.close();
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http1/TrafficLoggingHandler.java

@@ -0,0 +1,43 @@
+package org.xbib.netty.http.server.handler.http1;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelPromise;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.logging.LoggingHandler;
+
+/**
+ * A Netty handler that logs the I/O traffic of a connection.
+ */
+@ChannelHandler.Sharable
+public class TrafficLoggingHandler extends LoggingHandler {
+
+    public TrafficLoggingHandler(LogLevel level) {
+        super("server", level);
+    }
+
+    @Override
+    public void channelRegistered(ChannelHandlerContext ctx) {
+        ctx.fireChannelRegistered();
+    }
+
+    @Override
+    public void channelUnregistered(ChannelHandlerContext ctx) {
+        ctx.fireChannelUnregistered();
+    }
+
+    @Override
+    public void flush(ChannelHandlerContext ctx) {
+        ctx.flush();
+    }
+
+    @Override
+    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
+        if (msg instanceof ByteBuf && !((ByteBuf) msg).isReadable()) {
+            ctx.write(msg, promise);
+        } else {
+            super.write(ctx, msg, promise);
+        }
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/DummyHandler.java

@@ -0,0 +1,17 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.channel.ChannelDuplexHandler;
+import io.netty.channel.ChannelHandlerContext;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class DummyHandler extends ChannelDuplexHandler {
+
+    private static final Logger logger = Logger.getLogger(DummyHandler.class.getName());
+
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+        logger.log(Level.INFO, "msg = " + msg + " class = " + msg.getClass().getName());
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/FrameListener.java

@@ -0,0 +1,33 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http2.DefaultHttp2DataFrame;
+import io.netty.handler.codec.http2.DefaultHttp2HeadersFrame;
+import io.netty.handler.codec.http2.Http2DataFrame;
+import io.netty.handler.codec.http2.Http2EventAdapter;
+import io.netty.handler.codec.http2.Http2Headers;
+import io.netty.handler.codec.http2.Http2HeadersFrame;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class FrameListener extends Http2EventAdapter {
+
+    private static final Logger logger = Logger.getLogger(FrameListener.class.getName());
+
+    @Override
+    public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int streamDependency,
+                              short weight, boolean exclusive, int padding, boolean endStream) {
+        logger.log(Level.FINE, "onHeadersRead");
+        Http2HeadersFrame frame = new DefaultHttp2HeadersFrame(headers,endStream,padding);
+        ctx.fireChannelRead(frame);
+    }
+
+    public int onDataRead(ChannelHandlerContext ctx, int streamId, ByteBuf data, int padding, boolean endOfStream) {
+        logger.log(Level.FINE, "onDataRead");
+        Http2DataFrame frame = new DefaultHttp2DataFrame(data, endOfStream, padding);
+        ctx.fireChannelRead(frame);
+        return data.readableBytes() + padding;
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/HelloWorldHttp1Handler.java

@@ -0,0 +1,71 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.ChannelFutureListener;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.handler.codec.http.DefaultFullHttpResponse;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.FullHttpResponse;
+import io.netty.handler.codec.http.HttpHeaderValues;
+import io.netty.handler.codec.http.HttpUtil;
+
+import java.nio.charset.StandardCharsets;
+
+import static io.netty.handler.codec.http.HttpHeaderNames.CONNECTION;
+import static io.netty.handler.codec.http.HttpHeaderNames.CONTENT_LENGTH;
+import static io.netty.handler.codec.http.HttpHeaderNames.CONTENT_TYPE;
+import static io.netty.handler.codec.http.HttpResponseStatus.CONTINUE;
+import static io.netty.handler.codec.http.HttpResponseStatus.OK;
+import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
+import static io.netty.util.internal.ObjectUtil.checkNotNull;
+
+/**
+ * HTTP handler that responds with a "Hello World"
+ */
+public class HelloWorldHttp1Handler extends SimpleChannelInboundHandler<FullHttpRequest> {
+
+    static final ByteBuf RESPONSE_BYTES = Unpooled.unreleasableBuffer(Unpooled.copiedBuffer("Hello World", StandardCharsets.UTF_8));
+
+    private final String establishApproach;
+
+    public HelloWorldHttp1Handler(String establishApproach) {
+        this.establishApproach = checkNotNull(establishApproach, "establishApproach");
+    }
+
+    @Override
+    public void channelRead0(ChannelHandlerContext ctx, FullHttpRequest req) {
+        if (HttpUtil.is100ContinueExpected(req)) {
+            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
+        }
+        boolean keepAlive = HttpUtil.isKeepAlive(req);
+
+        ByteBuf content = ctx.alloc().buffer();
+        content.writeBytes(RESPONSE_BYTES.duplicate());
+        ByteBufUtil.writeAscii(content, " - via " + req.protocolVersion() + " (" + establishApproach + ")");
+
+        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, content);
+        response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
+        response.headers().setInt(CONTENT_LENGTH, response.content().readableBytes());
+
+        if (!keepAlive) {
+            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
+        } else {
+            response.headers().set(CONNECTION, HttpHeaderValues.KEEP_ALIVE);
+            ctx.write(response);
+        }
+    }
+
+    @Override
+    public void channelReadComplete(ChannelHandlerContext ctx) {
+        ctx.flush();
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
+        cause.printStackTrace();
+        ctx.close();
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/HelloWorldHttp2Handler.java

@@ -0,0 +1,87 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import static io.netty.buffer.Unpooled.copiedBuffer;
+import static io.netty.buffer.Unpooled.unreleasableBuffer;
+import static io.netty.handler.codec.http.HttpResponseStatus.OK;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.channel.ChannelDuplexHandler;
+import io.netty.channel.ChannelHandler.Sharable;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http2.DefaultHttp2DataFrame;
+import io.netty.handler.codec.http2.DefaultHttp2Headers;
+import io.netty.handler.codec.http2.DefaultHttp2HeadersFrame;
+import io.netty.handler.codec.http2.Http2DataFrame;
+import io.netty.handler.codec.http2.Http2Headers;
+import io.netty.handler.codec.http2.Http2HeadersFrame;
+import io.netty.util.CharsetUtil;
+
+/**
+ * A simple handler that responds with the message "Hello World!".
+ *
+ * <p>This example is making use of the "multiplexing" http2 API, where streams are mapped to child
+ * Channels. This API is very experimental and incomplete.
+ */
+@Sharable
+public class HelloWorldHttp2Handler extends ChannelDuplexHandler {
+
+    private static final ByteBuf RESPONSE_BYTES = unreleasableBuffer(copiedBuffer("Hello World", CharsetUtil.UTF_8));
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
+        super.exceptionCaught(ctx, cause);
+        cause.printStackTrace();
+        ctx.close();
+    }
+
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
+        if (msg instanceof Http2HeadersFrame) {
+            onHeadersRead(ctx, (Http2HeadersFrame) msg);
+        } else if (msg instanceof Http2DataFrame) {
+            onDataRead(ctx, (Http2DataFrame) msg);
+        } else {
+            super.channelRead(ctx, msg);
+        }
+    }
+
+    @Override
+    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
+        ctx.flush();
+    }
+
+    /**
+     * If receive a frame with end-of-stream set, send a pre-canned response.
+     */
+    private static void onDataRead(ChannelHandlerContext ctx, Http2DataFrame data) throws Exception {
+        if (data.isEndStream()) {
+            sendResponse(ctx, data.content());
+        } else {
+            // We do not send back the response to the remote-peer, so we need to release it.
+            data.release();
+        }
+    }
+
+    /**
+     * If receive a frame with end-of-stream set, send a pre-canned response.
+     */
+    private static void onHeadersRead(ChannelHandlerContext ctx, Http2HeadersFrame headers)
+            throws Exception {
+        if (headers.isEndStream()) {
+            ByteBuf content = ctx.alloc().buffer();
+            content.writeBytes(RESPONSE_BYTES.duplicate());
+            ByteBufUtil.writeAscii(content, " - via HTTP/2");
+            sendResponse(ctx, content);
+        }
+    }
+
+    /**
+     * Sends a "Hello World" DATA frame to the client.
+     */
+    private static void sendResponse(ChannelHandlerContext ctx, ByteBuf payload) {
+        // Send a frame for the response status
+        Http2Headers headers = new DefaultHttp2Headers().status(OK.codeAsText());
+        ctx.write(new DefaultHttp2HeadersFrame(headers));
+        ctx.write(new DefaultHttp2DataFrame(payload, true));
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/Http2ChannelInitializer.java

@@ -0,0 +1,251 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.handler.codec.http.HttpMessage;
+import io.netty.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpServerCodec;
+import io.netty.handler.codec.http.HttpServerUpgradeHandler;
+import io.netty.handler.codec.http2.DefaultHttp2Connection;
+import io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder;
+import io.netty.handler.codec.http2.DefaultHttp2ConnectionEncoder;
+import io.netty.handler.codec.http2.DefaultHttp2FrameReader;
+import io.netty.handler.codec.http2.DefaultHttp2FrameWriter;
+import io.netty.handler.codec.http2.DefaultHttp2HeadersDecoder;
+import io.netty.handler.codec.http2.DelegatingDecompressorFrameListener;
+import io.netty.handler.codec.http2.Http2CodecUtil;
+import io.netty.handler.codec.http2.Http2Connection;
+import io.netty.handler.codec.http2.Http2ConnectionDecoder;
+import io.netty.handler.codec.http2.Http2ConnectionEncoder;
+import io.netty.handler.codec.http2.Http2ConnectionHandler;
+import io.netty.handler.codec.http2.Http2ConnectionHandlerBuilder;
+import io.netty.handler.codec.http2.Http2FrameLogger;
+import io.netty.handler.codec.http2.Http2FrameReader;
+import io.netty.handler.codec.http2.Http2FrameWriter;
+import io.netty.handler.codec.http2.Http2InboundFrameLogger;
+import io.netty.handler.codec.http2.Http2MultiplexCodec;
+import io.netty.handler.codec.http2.Http2MultiplexCodecBuilder;
+import io.netty.handler.codec.http2.Http2OutboundFrameLogger;
+import io.netty.handler.codec.http2.Http2ServerUpgradeCodec;
+import io.netty.handler.codec.http2.Http2Settings;
+import io.netty.handler.codec.http2.HttpToHttp2ConnectionHandlerBuilder;
+import io.netty.handler.codec.http2.InboundHttp2ToHttpAdapter;
+import io.netty.handler.codec.http2.InboundHttp2ToHttpAdapterBuilder;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.ssl.SniHandler;
+import io.netty.handler.ssl.SslContext;
+import io.netty.util.AsciiString;
+import io.netty.util.DomainNameMapping;
+import io.netty.util.ReferenceCountUtil;
+import org.xbib.netty.http.common.HttpAddress;
+import org.xbib.netty.http.server.Server;
+import org.xbib.netty.http.server.ServerConfig;
+import org.xbib.netty.http.server.handler.http1.HttpHandler;
+import org.xbib.netty.http.server.handler.http1.TrafficLoggingHandler;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class Http2ChannelInitializer extends ChannelInitializer<Channel> {
+
+    private static final Logger logger = Logger.getLogger(Http2ChannelInitializer.class.getName());
+
+    private final Server server;
+
+    private final ServerConfig serverConfig;
+
+    private final HttpAddress httpAddress;
+
+    private final DomainNameMapping<SslContext> domainNameMapping;
+
+    public Http2ChannelInitializer(Server server,
+                                   HttpAddress httpAddress,
+                                   DomainNameMapping<SslContext> domainNameMapping) {
+        this.server = server;
+        this.serverConfig = server.getServerConfig();
+        this.httpAddress = httpAddress;
+        this.domainNameMapping = domainNameMapping;
+    }
+
+    /**
+     * The channel initialization for HTTP/2.
+     *
+     * @param channel socket channel
+     */
+    @Override
+    public void initChannel(Channel channel) {
+        if (serverConfig.isDebug()) {
+            channel.pipeline().addLast(new TrafficLoggingHandler(LogLevel.DEBUG));
+        }
+        if (httpAddress.isSecure()) {
+            configureEncrypted(channel);
+        } else {
+            configureCleartext(channel);
+        }
+        if (server.getServerConfig().isDebug()) {
+            logger.log(Level.FINE, "HTTP/2 server channel initialized: " + channel.pipeline().names());
+        }
+    }
+
+    private void configureEncrypted(Channel channel) {
+        channel.pipeline().addLast(new SniHandler(domainNameMapping));
+        configureCleartext(channel);
+    }
+
+    private void configureCleartext(Channel ch) {
+        Http2SettingsHandler http2SettingsHandler = new Http2SettingsHandler();
+        Http2RequestHandler http2RequestHandler = new Http2RequestHandler();
+        //HttpHandler httpHandler = new HttpHandler(server);
+
+        ch.pipeline()
+                //.addLast(newConnectionHandler())
+                 .addLast(upgradeHandler());
+                //.addLast(http2SettingsHandler)
+                //.addLast(http2RequestHandler);
+               // .addLast(sourceCodec)
+
+        /*final Http2MultiplexCodec http2Codec = Http2MultiplexCodecBuilder.forServer(new ChannelInitializer<Channel>() {
+            @Override
+            protected void initChannel(Channel ch) {
+                logger.log(Level.INFO, "initChannel multiplex ");
+            }
+        }).build();
+        HttpServerUpgradeHandler.UpgradeCodecFactory upgradeCodecFactory = protocol ->
+                new Http2ServerUpgradeCodec(http2Codec);
+        final HttpServerCodec serverCodec = new HttpServerCodec();
+        ch.pipeline().addLast(serverCodec)
+            .addLast(new HttpServerUpgradeHandler(serverCodec, upgradeCodecFactory))
+            .addLast(new SimpleChannelInboundHandler<HttpMessage>() {
+                @Override
+                protected void channelRead0(ChannelHandlerContext ctx, HttpMessage msg) throws Exception {
+                    // If this handler is hit then no upgrade has been attempted and the client is just talking HTTP.
+                    System.err.println("Directly talking: " + msg.protocolVersion() + " (no upgrade was attempted)");
+                    ChannelPipeline pipeline = ctx.pipeline();
+                    ChannelHandlerContext thisCtx = pipeline.context(this);
+                    pipeline.addAfter(thisCtx.name(), null, new HelloWorldHttp1Handler("Direct. No Upgrade Attempted."));
+                    pipeline.replace(this, null, new HttpObjectAggregator(Integer.MAX_VALUE));
+                    ctx.fireChannelRead(ReferenceCountUtil.retain(msg));
+                }
+            })
+            .addLast(new UserEventLogger())
+            .addLast(new HttpHandler(server));
+*/
+
+        /*
+        Http2FrameCodec http2FrameCodec = Http2FrameCodecBuilder.forServer().build();
+
+        Http2StreamFrameToHttpObjectCodec http2StreamFrameToHttpObjectCodec =
+                new Http2StreamFrameToHttpObjectCodec(true, true);
+
+        HttpObjectAggregator httpObjectAggregator =
+                new HttpObjectAggregator(serverConfig.getMaxContentLength(), false);
+        httpObjectAggregator.setMaxCumulationBufferComponents(serverConfig.getMaxCompositeBufferComponents());
+        HttpHandler httpHandler = new HttpHandler(server);
+
+        Http2ConnectionHandler http2ConnectionHandler = newConnectionHandler(server.getServerConfig());
+        Http2Connection http2Connection = http2ConnectionHandler.connection();
+        Http2Handler http2Handler = new Http2Handler(serverConfig, http2Connection, true);
+        http2Connection.addListener(http2Handler);
+        http2ConnectionHandler.decoder().frameListener(new DelegatingDecompressorFrameListener(http2Connection, http2Handler));
+
+        channel.pipeline().addLast(http2ConnectionHandler)
+        .addLast(new UserEventLogger())
+        .addLast(new HttpHandler(server));
+
+        //.addLast(new Http2StreamFrameToHttpObjectCodec(true))
+                //.addLast(httpObjectAggregator)
+                //.addLast(httpHandler);
+        */
+    }
+
+    private Http2ConnectionHandler newStandardConnectionHandler() {
+        Http2Connection http2Connection = new DefaultHttp2Connection(true);
+        InboundHttp2ToHttpAdapter inboundHttp2ToHttpAdapter =
+                new InboundHttp2ToHttpAdapterBuilder(http2Connection)
+                        .maxContentLength(serverConfig.getMaxContentLength())
+                        .propagateSettings(true)
+                        .validateHttpHeaders(true)
+                        .build();
+        Http2ConnectionHandlerBuilder builder = new Http2ConnectionHandlerBuilder()
+                .connection(http2Connection)
+                .initialSettings(serverConfig.getHttp2Settings())
+                .frameListener(new DelegatingDecompressorFrameListener(http2Connection, inboundHttp2ToHttpAdapter));
+        if (serverConfig.isDebug()) {
+            builder.frameLogger(new Http2FrameLogger(serverConfig.getDebugLogLevel(), "server"));
+        }
+        return builder.build();
+    }
+
+    private Http2ConnectionHandler newConnectionHandler() {
+        Http2Settings initialSettings = serverConfig.getHttp2Settings();
+        Http2Connection http2Connection = new DefaultHttp2Connection(true);
+        Long maxHeaderListSize = initialSettings.maxHeaderListSize();
+        Http2FrameReader frameReader = new DefaultHttp2FrameReader(maxHeaderListSize == null ?
+                new DefaultHttp2HeadersDecoder(true) :
+                new DefaultHttp2HeadersDecoder(true, maxHeaderListSize));
+        Http2FrameWriter frameWriter = new DefaultHttp2FrameWriter();
+        Http2FrameLogger frameLogger = null;
+        if (serverConfig.isDebug()) {
+            frameLogger = new Http2FrameLogger(serverConfig.getDebugLogLevel(), "server");
+        }
+        if (frameLogger != null) {
+            frameWriter = new Http2OutboundFrameLogger(frameWriter, frameLogger);
+            frameReader = new Http2InboundFrameLogger(frameReader, frameLogger);
+        }
+        Http2ConnectionEncoder encoder = new DefaultHttp2ConnectionEncoder(http2Connection, frameWriter);
+        Http2ConnectionDecoder decoder = new DefaultHttp2ConnectionDecoder(http2Connection, encoder, frameReader);
+
+        Http2ConnectionHandlerBuilder builder = new Http2ConnectionHandlerBuilder()
+                .connection(http2Connection)
+                //.codec(decoder, encoder)
+                //.initialSettings(initialSettings)
+                .frameListener(new FrameListener())
+                .frameLogger(new Http2FrameLogger(serverConfig.getDebugLogLevel(), "server"));
+        if (serverConfig.getIdleTimeoutMillis() > 0) {
+            builder.gracefulShutdownTimeoutMillis(serverConfig.getIdleTimeoutMillis());
+        }
+        return builder.build();
+        //Http2Handler http2Handler = new Http2Handler(server, http2Connection, true);
+        //http2ConnectionHandler.connection().addListener(http2Handler);
+        //http2ConnectionHandler.decoder().frameListener();
+        //return http2ConnectionHandler;
+    }
+
+    static class Http2ServerConnectionHandler extends Http2ConnectionHandler {
+
+        Http2ServerConnectionHandler(Http2ConnectionDecoder decoder, Http2ConnectionEncoder encoder,
+                                     Http2Settings initialSettings) {
+            super(decoder, encoder, initialSettings);
+        }
+    }
+
+    private final HttpServerUpgradeHandler.UpgradeCodecFactory upgradeCodecFactory = protocol -> {
+        if (AsciiString.contentEquals(Http2CodecUtil.HTTP_UPGRADE_PROTOCOL_NAME, protocol)) {
+            return upgradeCodec();
+        } else {
+            return null;
+        }
+    };
+
+    private Http2ServerUpgradeCodec upgradeCodec() {
+        return new Http2ServerUpgradeCodec(Http2MultiplexCodecBuilder.forServer(http2MultiplexCodec()).build());
+    }
+
+    private HttpServerUpgradeHandler upgradeHandler() {
+        HttpServerCodec sourceCodec = new HttpServerCodec();
+        return new HttpServerUpgradeHandler(sourceCodec, upgradeCodecFactory);
+    }
+
+    private Http2MultiplexCodec http2MultiplexCodec() {
+        Http2FrameLogger frameLogger = new Http2FrameLogger(serverConfig.getDebugLogLevel(), "server");
+        return Http2MultiplexCodecBuilder.forServer(new DummyHandler())
+                .frameLogger(frameLogger)
+                .initialSettings(serverConfig.getHttp2Settings())
+                .build();
+    }
+
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/Http2Handler.java

@@ -0,0 +1,483 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufAllocator;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http.DefaultFullHttpRequest;
+import io.netty.handler.codec.http.FullHttpMessage;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpHeaderNames;
+import io.netty.handler.codec.http.HttpHeaders;
+import io.netty.handler.codec.http.HttpMethod;
+import io.netty.handler.codec.http.HttpRequest;
+import io.netty.handler.codec.http.HttpUtil;
+import io.netty.handler.codec.http.HttpVersion;
+import io.netty.handler.codec.http2.CharSequenceMap;
+import io.netty.handler.codec.http2.Http2CodecUtil;
+import io.netty.handler.codec.http2.Http2Connection;
+import io.netty.handler.codec.http2.Http2Error;
+import io.netty.handler.codec.http2.Http2EventAdapter;
+import io.netty.handler.codec.http2.Http2Exception;
+import io.netty.handler.codec.http2.Http2Headers;
+import io.netty.handler.codec.http2.Http2LocalFlowController;
+import io.netty.handler.codec.http2.Http2Settings;
+import io.netty.handler.codec.http2.Http2Stream;
+import io.netty.handler.codec.http2.HttpConversionUtil;
+import io.netty.util.AsciiString;
+import io.netty.util.internal.ObjectUtil;
+import org.xbib.netty.http.server.Server;
+import org.xbib.netty.http.server.ServerConfig;
+import org.xbib.netty.http.server.transport.ServerTransport;
+
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * A HTTP/2 event adapter for a server.
+ *
+ * This event adapter expects {@link Http2Settings} are sent from the server before the
+ * {@link HttpRequest} is submitted by sending a header frame, and, if a body exists, a
+ * data frame.
+ */
+@ChannelHandler.Sharable
+public class Http2Handler extends Http2EventAdapter {
+
+    private static final Logger logger = Logger.getLogger(Http2Handler.class.getName());
+
+    private static final HttpVersion HTTP_2_0 = HttpVersion.valueOf("HTTP/2.0");
+
+    private final Server server;
+
+    private final ServerConfig serverConfig;
+
+    private final ServerTransport serverTransport;
+
+    private final Http2Connection connection;
+
+    private final Http2Connection.PropertyKey messageKey;
+
+    private final boolean validateHttpHeaders;
+
+    /**
+     * Constructor for {@link Http2Handler}.
+     * @param server the server
+     * @param connection the HTTP/2 connection
+     * @param validateHeaders true if headers should be validated
+     */
+    public Http2Handler(Server server, Http2Connection connection, boolean validateHeaders) {
+        this.server = server;
+        this.serverConfig = server.getServerConfig();
+        this.connection = connection;
+        this.validateHttpHeaders = validateHeaders;
+        this.messageKey = connection.newKey();
+        this.serverTransport = server.newTransport(HTTP_2_0);
+    }
+
+    /**
+     * Handles an inbound {@code SETTINGS} frame.
+     * After frame is received, the request is sent.
+     *
+     * @param ctx the context from the handler where the frame was read.
+     * @param settings the settings received from the remote endpoint.
+     */
+    @Override
+    public void onSettingsRead(ChannelHandlerContext ctx, Http2Settings settings) {
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, () -> "settings received " + settings);
+        }
+        try {
+            serverTransport.settingsReceived(ctx, settings);
+        } catch (Exception e) {
+            logger.log(Level.WARNING, e.getMessage(), e);
+        }
+    }
+
+    /**
+     * Handles an inbound {@code HEADERS} frame.
+     * <p>
+     * Only one of the following methods will be called for each {@code HEADERS} frame sequence.
+     * One will be called when the {@code END_HEADERS} flag has been received.
+     * <ul>
+     * <li>{@link #onHeadersRead(ChannelHandlerContext, int, Http2Headers, int, boolean)}</li>
+     * <li>{@link #onHeadersRead(ChannelHandlerContext, int, Http2Headers, int, short, boolean, int, boolean)}</li>
+     * <li>{@link #onPushPromiseRead(ChannelHandlerContext, int, int, Http2Headers, int)}</li>
+     * </ul>
+     * <p>
+     * To say it another way; the {@link Http2Headers} will contain all of the headers
+     * for the current message exchange step (additional queuing is not necessary).
+     *
+     * @param ctx the context from the handler where the frame was read.
+     * @param streamId the subject stream for the frame.
+     * @param headers the received headers.
+     * @param padding additional bytes that should be added to obscure the true content size. Must be between 0 and
+     *                256 (inclusive).
+     * @param endOfStream Indicates whether this is the last frame to be sent from the remote endpoint
+     *            for this stream.
+     */
+    @Override
+    public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int padding,
+                              boolean endOfStream) throws Http2Exception {
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, () -> "headers received " + headers + " endOfStream " + endOfStream);
+        }
+        Http2Stream stream = connection.stream(streamId);
+        FullHttpMessage msg = beginHeader(ctx, stream, headers);
+        endHeader(ctx, stream, msg, endOfStream);
+    }
+
+    /**
+     * Handles an inbound {@code HEADERS} frame with priority information specified.
+     * Only called if {@code END_HEADERS} encountered.
+     * <p>
+     * Only one of the following methods will be called for each {@code HEADERS} frame sequence.
+     * One will be called when the {@code END_HEADERS} flag has been received.
+     * <ul>
+     * <li>{@link #onHeadersRead(ChannelHandlerContext, int, Http2Headers, int, boolean)}</li>
+     * <li>{@link #onHeadersRead(ChannelHandlerContext, int, Http2Headers, int, short, boolean, int, boolean)}</li>
+     * <li>{@link #onPushPromiseRead(ChannelHandlerContext, int, int, Http2Headers, int)}</li>
+     * </ul>
+     * <p>
+     * To say it another way; the {@link Http2Headers} will contain all of the headers
+     * for the current message exchange step (additional queuing is not necessary).
+     *
+     * @param ctx the context from the handler where the frame was read.
+     * @param streamId the subject stream for the frame.
+     * @param headers the received headers.
+     * @param streamDependency the stream on which this stream depends, or 0 if dependent on the
+     *            connection.
+     * @param weight the new weight for the stream.
+     * @param exclusive whether or not the stream should be the exclusive dependent of its parent.
+     * @param padding additional bytes that should be added to obscure the true content size. Must be between 0 and
+     *                256 (inclusive).
+     * @param endOfStream Indicates whether this is the last frame to be sent from the remote endpoint
+     *            for this stream.
+     */
+    @Override
+    public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers headers, int streamDependency,
+                              short weight, boolean exclusive, int padding, boolean endOfStream) throws Http2Exception {
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, () -> "headers received (weighted) " + headers + " endOfStream " + endOfStream);
+        }
+        Http2Stream stream = connection.stream(streamId);
+        FullHttpMessage msg = beginHeader(ctx, stream, headers);
+        if (streamDependency != Http2CodecUtil.CONNECTION_STREAM_ID) {
+            msg.headers().setInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_DEPENDENCY_ID.text(),
+                    streamDependency);
+        }
+        msg.headers().setShort(HttpConversionUtil.ExtensionHeaderNames.STREAM_WEIGHT.text(), weight);
+        endHeader(ctx, stream, msg, endOfStream);
+    }
+
+    /**
+     * Handles an inbound {@code DATA} frame.
+     *
+     * @param ctx the context from the handler where the frame was read.
+     * @param streamId the subject stream for the frame.
+     * @param data payload buffer for the frame. This buffer will be released by the codec.
+     * @param padding additional bytes that should be added to obscure the true content size. Must be between 0 and
+     *                256 (inclusive).
+     * @param endOfStream Indicates whether this is the last frame to be sent from the remote endpoint for this stream.
+     * @return the number of bytes that have been processed by the application. The returned bytes are used by the
+     * inbound flow controller to determine the appropriate time to expand the inbound flow control window (i.e. send
+     * {@code WINDOW_UPDATE}). Returning a value equal to the length of {@code data} + {@code padding} will effectively
+     * opt-out of application-level flow control for this frame. Returning a value less than the length of {@code data}
+     * + {@code padding} will defer the returning of the processed bytes, which the application must later return via
+     * {@link Http2LocalFlowController#consumeBytes(Http2Stream, int)}. The returned value must
+     * be >= {@code 0} and <= {@code data.readableBytes()} + {@code padding}.
+     */
+    @Override
+    public int onDataRead(ChannelHandlerContext ctx, int streamId, ByteBuf data, int padding, boolean endOfStream)
+            throws Http2Exception {
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, () -> "data received " + data);
+        }
+        Http2Stream stream = connection.stream(streamId);
+        FullHttpMessage msg = getMessage(stream);
+        if (msg == null) {
+            throw Http2Exception.connectionError(Http2Error.PROTOCOL_ERROR,
+                    "data frame received for unknown stream id %d", streamId);
+        }
+        ByteBuf content = msg.content();
+        final int dataReadableBytes = data.readableBytes();
+        if (content.readableBytes() > serverConfig.getMaxContentLength() - dataReadableBytes) {
+            throw Http2Exception.connectionError(Http2Error.INTERNAL_ERROR,
+                    "content length exceeded maximum of %d for stream id %d",
+                    serverConfig.getMaxContentLength(), streamId);
+        }
+        content.writeBytes(data, data.readerIndex(), dataReadableBytes);
+        if (endOfStream) {
+            fireChannelRead(ctx, msg, false, stream);
+        }
+        return dataReadableBytes + padding;
+    }
+
+    /**
+     * Handles an inbound {@code RST_STREAM} frame. Deletes push stream id if present.
+     *
+     * @param ctx the context from the handler where the frame was read.
+     * @param streamId the stream that is terminating.
+     * @param errorCode the error code identifying the type of failure.
+     */
+    @Override
+    public void onRstStreamRead(ChannelHandlerContext ctx, int streamId, long errorCode) {
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, () -> "rst stream received: error code = " + errorCode);
+        }
+        Http2Stream stream = connection.stream(streamId);
+        FullHttpMessage msg = getMessage(stream);
+        if (msg != null) {
+            removeMessage(stream, true);
+        }
+    }
+
+    /**
+     * Handles an inbound {@code PUSH_PROMISE} frame. Only called if {@code END_HEADERS} encountered.
+     * <p>
+     * Promised requests MUST be authoritative, cacheable, and safe.
+     * See <a href="https://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-8.2">[RFC http2], Section 8.2</a>.
+     * <p>
+     * Only one of the following methods will be called for each {@code HEADERS} frame sequence.
+     * One will be called when the {@code END_HEADERS} flag has been received.
+     * <ul>
+     * <li>{@link #onHeadersRead(ChannelHandlerContext, int, Http2Headers, int, boolean)}</li>
+     * <li>{@link #onHeadersRead(ChannelHandlerContext, int, Http2Headers, int, short, boolean, int, boolean)}</li>
+     * <li>{@link #onPushPromiseRead(ChannelHandlerContext, int, int, Http2Headers, int)}</li>
+     * </ul>
+     * <p>
+     * To say it another way; the {@link Http2Headers} will contain all of the headers
+     * for the current message exchange step (additional queuing is not necessary).
+     *
+     * @param ctx the context from the handler where the frame was read.
+     * @param streamId the stream the frame was sent on.
+     * @param promisedStreamId the ID of the promised stream.
+     * @param headers the received headers.
+     * @param padding additional bytes that should be added to obscure the true content size. Must be between 0 and
+     *                256 (inclusive).
+     */
+    @Override
+    public void onPushPromiseRead(ChannelHandlerContext ctx, int streamId, int promisedStreamId,
+                                  Http2Headers headers, int padding) {
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, () -> "push promise received: streamId " + streamId +
+                    " promised stream ID = " + promisedStreamId + " headers =" + headers);
+        }
+        throw new IllegalStateException("server is not allowd to receive push promise");
+    }
+
+    /**
+     * Notifies the listener that the given stream has now been removed from the connection and
+     * will no longer be returned via {@link Http2Connection#stream(int)}. The connection may
+     * maintain inactive streams for some time before removing them.
+     * <p>
+     * If a {@link RuntimeException} is thrown it will be logged and <strong>not propagated</strong>.
+     * Throwing from this method is not supported and is considered a programming error.
+     */
+    @Override
+    public void onStreamRemoved(Http2Stream stream) {
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, () -> "stream removed " + stream);
+        }
+        removeMessage(stream, true);
+    }
+
+
+    /**
+     * Get the {@link FullHttpMessage} associated with {@code stream}.
+     * @param stream The stream to get the associated state from
+     * @return The {@link FullHttpMessage} associated with {@code stream}.
+     */
+    private FullHttpMessage getMessage(Http2Stream stream) {
+        return (FullHttpMessage) stream.getProperty(messageKey);
+    }
+
+    /**
+     * Make {@code message} be the state associated with {@code stream}.
+     * @param stream The stream which {@code message} is associated with.
+     * @param message The message which contains the HTTP semantics.
+     */
+    private void putMessage(Http2Stream stream, FullHttpMessage message) {
+        FullHttpMessage previous = stream.setProperty(messageKey, message);
+        if (previous != message && previous != null) {
+            previous.release();
+        }
+    }
+    /**
+     * The stream is out of scope for the HTTP message flow and will no longer be tracked.
+     * @param stream The stream to remove associated state with
+     * @param release {@code true} to call release on the value if it is present. {@code false} to not call release.
+     */
+    private void removeMessage(Http2Stream stream, boolean release) {
+        FullHttpMessage msg = stream.removeProperty(messageKey);
+        if (release && msg != null) {
+            msg.release();
+        }
+    }
+
+    private FullHttpMessage beginHeader(ChannelHandlerContext ctx, Http2Stream stream, Http2Headers headers) throws Http2Exception {
+        FullHttpMessage msg = getMessage(stream);
+        if (msg == null) {
+            msg = newMessage(stream, headers, validateHttpHeaders, ctx.alloc());
+        } else {
+            addHttp2ToHttpHeaders(stream.id(), headers, msg.headers(), msg.protocolVersion(),
+                    true, msg instanceof HttpRequest);
+        }
+        return msg;
+    }
+
+    private void endHeader(ChannelHandlerContext ctx, Http2Stream stream, FullHttpMessage msg, boolean endOfStream) {
+        if (endOfStream) {
+            fireChannelRead(ctx, msg, getMessage(stream) != msg, stream);
+        } else {
+            putMessage(stream, msg);
+        }
+    }
+
+    /**
+     * Set final headers and fire a channel read event.
+     *
+     * @param ctx The context to fire the event on
+     * @param msg The message to send
+     * @param release {@code true} to call release on the value if it is present. {@code false} to not call release.
+     * @param stream the stream of the message which is being fired
+     */
+    private void fireChannelRead(ChannelHandlerContext ctx, FullHttpMessage msg, boolean release,
+                                 Http2Stream stream) {
+        removeMessage(stream, release);
+        HttpUtil.setContentLength(msg, msg.content().readableBytes());
+        ctx.fireChannelRead(msg);
+    }
+
+    /**
+     * Create a new {@link FullHttpMessage} based upon the current connection parameters.
+     *
+     * @param stream The stream to create a message for
+     * @param headers The headers associated with {@code stream}
+     * @param validateHttpHeaders
+     * <ul>
+     * <li>{@code true} to validate HTTP headers in the http-codec</li>
+     * <li>{@code false} not to validate HTTP headers in the http-codec</li>
+     * </ul>
+     * @param alloc The {@link ByteBufAllocator} to use to generate the content of the message
+     * @throws Http2Exception if message can not be created
+     */
+    private FullHttpMessage newMessage(Http2Stream stream, Http2Headers headers, boolean validateHttpHeaders,
+                                       ByteBufAllocator alloc) throws Http2Exception {
+        FullHttpMessage fullHttpMessage = toFullHttpRequest(stream.id(), headers, alloc, validateHttpHeaders);
+        if (serverConfig.isDebug()) {
+            logger.log(Level.FINE, headers.toString());
+            logger.log(Level.FINE, fullHttpMessage::toString);
+        }
+        return fullHttpMessage;
+    }
+
+    /**
+     * Create a new object to contain the request data
+     *
+     * @param streamId The stream associated with the request
+     * @param http2Headers The initial set of HTTP/2 headers to create the request with
+     * @param alloc The {@link ByteBufAllocator} to use to generate the content of the message
+     * @param validateHttpHeaders <ul>
+     *        <li>{@code true} to validate HTTP headers in the http-codec</li>
+     *        <li>{@code false} not to validate HTTP headers in the http-codec</li>
+     *        </ul>
+     * @return A new request object which represents headers/data
+     * @throws Http2Exception If not all HTTP/2 headers can be translated to HTTP/1.x.
+     */
+    public static FullHttpRequest toFullHttpRequest(int streamId, Http2Headers http2Headers,
+                                                    ByteBufAllocator alloc,
+                                                    boolean validateHttpHeaders)
+            throws Http2Exception {
+        final CharSequence method = ObjectUtil.checkNotNull(http2Headers.method(),"method header cannot be null");
+        final CharSequence path = ObjectUtil.checkNotNull(http2Headers.path(),"path header cannot be null ");
+        ByteBuf byteBuf = alloc.buffer();
+        FullHttpRequest msg = new DefaultFullHttpRequest(HTTP_2_0, HttpMethod.valueOf(method.toString()),
+                path.toString(), byteBuf, validateHttpHeaders);
+        try {
+            addHttp2ToHttpHeaders(streamId, http2Headers, msg.headers(), msg.protocolVersion(), false, true);
+        } catch (Http2Exception e) {
+            msg.release();
+            throw e;
+        } catch (Throwable t) {
+            msg.release();
+            throw Http2Exception.streamError(streamId, Http2Error.PROTOCOL_ERROR, t, "HTTP/2 full request conversion error");
+        }
+        return msg;
+    }
+
+    /**
+     * Translate and add HTTP/2 headers to HTTP/1.x headers.
+     *
+     * @param streamId The stream associated with {@code sourceHeaders}.
+     * @param inputHeaders The HTTP/2 headers to convert.
+     * @param outputHeaders The object which will contain the resulting HTTP/1.x headers..
+     * @param httpVersion What HTTP/1.x version {@code outputHeaders} should be treated as when doing the conversion.
+     * @param isTrailer {@code true} if {@code outputHeaders} should be treated as trailing headers.
+     * {@code false} otherwise.
+     * @param isRequest {@code true} if the {@code outputHeaders} will be used in a request message.
+     * {@code false} for response message.
+     * @throws Http2Exception If not all HTTP/2 headers can be translated to HTTP/1.x.
+     */
+    public static void addHttp2ToHttpHeaders(int streamId, Http2Headers inputHeaders,
+                                             HttpHeaders outputHeaders,
+                                             HttpVersion httpVersion,
+                                             boolean isTrailer,
+                                             boolean isRequest) throws Http2Exception {
+
+        final CharSequenceMap<AsciiString> translations = isRequest ? REQUEST_HEADER_TRANSLATIONS : RESPONSE_HEADER_TRANSLATIONS;
+        try {
+            for (Map.Entry<CharSequence, CharSequence> entry : inputHeaders) {
+                final CharSequence name = entry.getKey();
+                final CharSequence value = entry.getValue();
+                AsciiString translatedName = translations.get(name);
+                if (translatedName != null) {
+                    outputHeaders.add(translatedName, AsciiString.of(value));
+                } else if (!Http2Headers.PseudoHeaderName.isPseudoHeader(name)) {
+                    // https://tools.ietf.org/html/rfc7540#section-8.1.2.3
+                    // All headers that start with ':' are only valid in HTTP/2 context
+                    if (name.length() == 0 || name.charAt(0) == ':') {
+                        throw Http2Exception.streamError(streamId, Http2Error.PROTOCOL_ERROR,
+                                "Invalid HTTP/2 header '%s' encountered in translation to HTTP/1.x", name);
+                    }
+                    if (HttpHeaderNames.COOKIE.equals(name)) {
+                        // combine the cookie values into 1 header entry.
+                        // https://tools.ietf.org/html/rfc7540#section-8.1.2.5
+                        String existingCookie = outputHeaders.get(HttpHeaderNames.COOKIE);
+                        outputHeaders.set(HttpHeaderNames.COOKIE,
+                                (existingCookie != null) ? (existingCookie + "; " + value) : value);
+                    } else {
+                        outputHeaders.add(name, value);
+                    }
+                }
+            }
+        } catch (Http2Exception ex) {
+            throw ex;
+        } catch (Throwable t) {
+            throw Http2Exception.streamError(streamId, Http2Error.PROTOCOL_ERROR, t, "HTTP/2 headers conversion error");
+        }
+        outputHeaders.remove(HttpHeaderNames.TRANSFER_ENCODING);
+        outputHeaders.remove(HttpHeaderNames.TRAILER);
+        if (!isTrailer) {
+            outputHeaders.setInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text(), streamId);
+            HttpUtil.setKeepAlive(outputHeaders, httpVersion, true);
+        }
+    }
+
+    /**
+     * Translations from HTTP/2 header name to the HTTP/1.x equivalent.
+     */
+    private static final CharSequenceMap<AsciiString>
+            REQUEST_HEADER_TRANSLATIONS = new CharSequenceMap<AsciiString>();
+    private static final CharSequenceMap<AsciiString>
+            RESPONSE_HEADER_TRANSLATIONS = new CharSequenceMap<AsciiString>();
+    static {
+        RESPONSE_HEADER_TRANSLATIONS.add(Http2Headers.PseudoHeaderName.AUTHORITY.value(),
+                HttpHeaderNames.HOST);
+        RESPONSE_HEADER_TRANSLATIONS.add(Http2Headers.PseudoHeaderName.SCHEME.value(),
+                HttpConversionUtil.ExtensionHeaderNames.SCHEME.text());
+        REQUEST_HEADER_TRANSLATIONS.add(RESPONSE_HEADER_TRANSLATIONS);
+        RESPONSE_HEADER_TRANSLATIONS.add(Http2Headers.PseudoHeaderName.PATH.value(),
+                HttpConversionUtil.ExtensionHeaderNames.PATH.text());
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/Http2RequestHandler.java

@@ -0,0 +1,33 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.handler.codec.http.FullHttpRequest;
+import org.xbib.netty.http.server.transport.ServerTransport;
+
+import java.io.IOException;
+
+@ChannelHandler.Sharable
+public class Http2RequestHandler extends SimpleChannelInboundHandler<FullHttpRequest> {
+
+    @Override
+    protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest httpRequest) throws IOException {
+        ServerTransport transport = ctx.channel().attr(ServerTransport.TRANSPORT_ATTRIBUTE_KEY).get();
+        transport.requestReceived(ctx, httpRequest);
+    }
+
+    @Override
+    public void channelInactive(ChannelHandlerContext ctx)  {
+        ctx.fireChannelInactive();
+        ServerTransport transport = ctx.channel().attr(ServerTransport.TRANSPORT_ATTRIBUTE_KEY).get();
+        //transport.fail(new IOException("channel closed"));
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
+        ServerTransport transport = ctx.channel().attr(ServerTransport.TRANSPORT_ATTRIBUTE_KEY).get();
+        //transport.fail(cause);
+        ctx.channel().close();
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/Http2SettingsHandler.java

@@ -0,0 +1,18 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.handler.codec.http2.Http2Settings;
+import org.xbib.netty.http.server.transport.ServerTransport;
+
+@ChannelHandler.Sharable
+public class Http2SettingsHandler extends SimpleChannelInboundHandler<Http2Settings> {
+
+    @Override
+    protected void channelRead0(ChannelHandlerContext ctx, Http2Settings http2Settings) throws Exception {
+        ServerTransport transport = ctx.channel().attr(ServerTransport.TRANSPORT_ATTRIBUTE_KEY).get();
+        transport.settingsReceived(ctx, http2Settings);
+        ctx.pipeline().remove(this);
+    }
+}

netty-http-server/src/main/java/org/xbib/netty/http/server/handler/http2/UserEventLogger.java

@@ -0,0 +1,23 @@
+package org.xbib.netty.http.server.handler.http2;
+
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * A Netty handler that logs user events.
+ */
+@ChannelHandler.Sharable
+public class UserEventLogger extends ChannelInboundHandlerAdapter {
+
+    private static final Logger logger = Logger.getLogger(UserEventLogger.class.getName());
+
+    @Override
+    public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
+        logger.log(Level.FINE, () -> "got user event " + evt);
+        ctx.fireUserEventTriggered(evt);
+    }
+}