Java tutorial
/* * Copyright (c) ${date}, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. licenses this file to you under the Apache License, * Version 2.0 (the "License"); you may not use this file except * in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.wso2.esb.integration.common.utils.servers; import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.ChannelOption; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioServerSocketChannel; import io.netty.handler.codec.http2.Http2SecurityUtil; import io.netty.handler.logging.LogLevel; import io.netty.handler.logging.LoggingHandler; import io.netty.handler.ssl.*; import io.netty.handler.ssl.ApplicationProtocolConfig.Protocol; import io.netty.handler.ssl.ApplicationProtocolConfig.SelectedListenerFailureBehavior; import io.netty.handler.ssl.ApplicationProtocolConfig.SelectorFailureBehavior; import io.netty.handler.ssl.util.SelfSignedCertificate; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.esb.integration.common.utils.servers.http2.Http2ServerInitializer; public class Http2Server implements Runnable { private static final Log log = LogFactory.getLog(Http2Server.class); private boolean SSL = false; private int PORT = 8080; EventLoopGroup group; public Http2Server(boolean SSL, int PORT) { this.PORT = PORT; this.SSL = SSL; } public void startServer() throws Exception { final SslContext sslCtx; if (SSL) { SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK; SelfSignedCertificate ssc = new SelfSignedCertificate(); sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).sslProvider(provider) .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE) .applicationProtocolConfig(new ApplicationProtocolConfig(Protocol.ALPN, SelectorFailureBehavior.NO_ADVERTISE, SelectedListenerFailureBehavior.ACCEPT, ApplicationProtocolNames.HTTP_2, ApplicationProtocolNames.HTTP_1_1)) .build(); } else { sslCtx = null; } group = new NioEventLoopGroup(); ServerBootstrap b = new ServerBootstrap(); b.option(ChannelOption.SO_BACKLOG, 1024); b.group(group).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO)) .childHandler(new Http2ServerInitializer(sslCtx)); b.bind("127.0.0.5", PORT).sync().channel(); } @Override public void run() { try { startServer(); } catch (Exception e) { log.error("server starting failed : " + e.toString()); } } }