/*
* Copyright 2013 MovingBlocks
*
* Licensed 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.terasology.network.internal;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.ExceptionEvent;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.terasology.registry.CoreRegistry;
import org.terasology.engine.GameEngine;
import org.terasology.engine.modes.StateMainMenu;
import static org.terasology.protobuf.NetData.NetMessage;
/**
* This Netty handler is used on the client side to send and receive messages.
*
* @author Immortius
*/
public class ClientHandler extends SimpleChannelUpstreamHandler {
private static final Logger logger = LoggerFactory.getLogger(ClientHandler.class);
private NetworkSystemImpl networkSystem;
private ServerImpl server;
public ClientHandler(NetworkSystemImpl networkSystem) {
this.networkSystem = networkSystem;
}
@Override
public void channelDisconnected(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
GameEngine gameEngine = CoreRegistry.get(GameEngine.class);
if (gameEngine != null) {
gameEngine.changeState(new StateMainMenu("Disconnected From Server"));
}
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
NetMessage message = (NetMessage) e.getMessage();
server.queueMessage(message);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
logger.warn("Unexpected exception from client", e.getCause());
e.getChannel().close();
}
public void joinComplete(ServerImpl joinedServer) {
this.server = joinedServer;
networkSystem.setServer(server);
}
}