Java tutorial
/* * Copyright 2016 The Netty Project * * The Netty Project 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 io.netty.channel.kqueue; import io.netty.channel.Channel; import io.netty.channel.EventLoop; import io.netty.channel.socket.ServerSocketChannel; import io.netty.util.internal.UnstableApi; import java.net.InetSocketAddress; import java.net.SocketAddress; import static io.netty.channel.kqueue.BsdSocket.newSocketStream; import static io.netty.channel.unix.NativeInetAddress.address; @UnstableApi public final class KQueueServerSocketChannel extends AbstractKQueueServerChannel implements ServerSocketChannel { private final KQueueServerSocketChannelConfig config; public KQueueServerSocketChannel() { super(newSocketStream(), false); config = new KQueueServerSocketChannelConfig(this); } public KQueueServerSocketChannel(int fd) { // Must call this constructor to ensure this object's local address is configured correctly. // The local address can only be obtained from a Socket object. this(new BsdSocket(fd)); } KQueueServerSocketChannel(BsdSocket fd) { super(fd); config = new KQueueServerSocketChannelConfig(this); } KQueueServerSocketChannel(BsdSocket fd, boolean active) { super(fd, active); config = new KQueueServerSocketChannelConfig(this); } @Override protected boolean isCompatible(EventLoop loop) { return loop instanceof KQueueEventLoop; } @Override protected void doBind(SocketAddress localAddress) throws Exception { super.doBind(localAddress); // TODO(scott): tcp fast open here! socket.listen(config.getBacklog()); active = true; } @Override public InetSocketAddress remoteAddress() { return (InetSocketAddress) super.remoteAddress(); } @Override public InetSocketAddress localAddress() { return (InetSocketAddress) super.localAddress(); } @Override public KQueueServerSocketChannelConfig config() { return config; } @Override protected Channel newChildChannel(int fd, byte[] address, int offset, int len) throws Exception { return new KQueueSocketChannel(this, new BsdSocket(fd), address(address, offset, len)); } }