Java tutorial
/* * This file is part of IRCd4j. * * Copyright (c) 2014 Wolf480pl <wolf480@interia.pl> * IRCd4j is licensed under the GNU Lesser General Public License. * * IRCd4j is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * IRCd4j is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* This file incorporates work covered by the following copyright and * permission notice: * * This file is part of Flow Networking, licensed under the MIT License (MIT). * * Copyright (c) 2013 Spout LLC <http://www.spout.org/> * * 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 com.github.wolf480pl.ircd.netty; import java.net.SocketAddress; import io.netty.channel.Channel; import io.netty.channel.ChannelFuture; import io.netty.util.concurrent.Future; import io.netty.util.concurrent.GenericFutureListener; import org.slf4j.Logger; import com.github.wolf480pl.ircd.Message; import com.github.wolf480pl.ircd.Session; import com.github.wolf480pl.ircd.SessionHandler; public class NettySession implements Session { private final Channel channel; private final SessionHandler handler; public NettySession(Channel channel, SessionHandler handler) { this.channel = channel; this.handler = handler; } @Override public void send(Message msg) { sendWithFuture(msg); } public ChannelFuture sendWithFuture(Message msg) { getLogger().debug("" + getRemoteAddress() + " <- " + msg); if (!channel.isActive()) { throw new IllegalStateException("Trying to send a message when a session is inactive!"); } return channel.writeAndFlush(msg).addListener(new GenericFutureListener<Future<? super Void>>() { @Override public void operationComplete(Future<? super Void> future) throws Exception { if (future.cause() != null) { handler.onOutboundThrowable(NettySession.this, future.cause()); } } }); } @Override public void disconnect() { channel.disconnect(); }; public void validate(Channel ch) { if (this.channel != ch) { throw new IllegalStateException("Not our channel!"); } } @Override public SocketAddress getRemoteAddress() { return channel.remoteAddress(); } @Override public Logger getLogger() { return handler.getLogger(this); } }