Java tutorial
/** * Copyright 2013 Apigee Corporation. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package io.apigee.trireme.container.netty; import io.netty.bootstrap.ServerBootstrap; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import io.netty.channel.Channel; import io.netty.channel.ChannelInitializer; import io.netty.channel.ChannelOption; import io.netty.channel.socket.SocketChannel; import io.netty.channel.socket.nio.NioServerSocketChannel; import java.net.InetSocketAddress; import java.nio.ByteBuffer; public class NettyServer { private final ServerBootstrap bootstrap; private final InetSocketAddress address; private final Channel serverChannel; NettyServer(int port, String host, int backlog, ChannelInitializer<SocketChannel> pipelineFactory) { if (host == null) { address = new InetSocketAddress(port); } else { address = new InetSocketAddress(host, port); } bootstrap = new ServerBootstrap(); bootstrap.group(NettyFactory.get().getAcceptorThreads(), NettyFactory.get().getIOThreads()) .channel(NioServerSocketChannel.class).option(ChannelOption.SO_REUSEADDR, true) .childHandler(pipelineFactory).localAddress(address); serverChannel = bootstrap.bind().syncUninterruptibly().channel(); } public void suspend() { // Current way we do this from the Netty blog -- // we basically set the pipeline to not have any more space in the buffer serverChannel.config().setAutoRead(false); } public void close() { serverChannel.close(); } public InetSocketAddress getAddress() { return address; } /** * Copy the Netty byte buffer into a new buffer. */ public static ByteBuffer copyBuffer(ByteBuf buf) { ByteBuffer ret = ByteBuffer.allocate(buf.readableBytes()); buf.readBytes(ret); ret.flip(); return ret; } public static ByteBuf copyBuffer(ByteBuffer buf) { return Unpooled.copiedBuffer(buf); } }