ccostello.server.NetworkGameServerHandler.java Source code

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Here is the source code for ccostello.server.NetworkGameServerHandler.java

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/*
 * Copyright 2012 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 ccostello.server;

import io.netty.buffer.ByteBufInputStream;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.socket.DatagramPacket;
import ccostello.game.shared.messages.GameMessages.GameMessage;

public class NetworkGameServerHandler extends SimpleChannelInboundHandler<DatagramPacket> {

    @Override
    public void channelRead0(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
        //System.err.println(packet);

        GameMessage gm;
        ByteBufInputStream is = new ByteBufInputStream(packet.content());
        gm = GameMessage.parseFrom(is);

        System.out.println("Received message: " + gm.toString());

        switch (gm.getMsgType()) {
        case REGISTER_CLIENT:
            IncomingMessagesManager.registerNewClient(gm, ctx, packet.sender());
            break;
        case USER_COMMAND:
            IncomingMessagesManager.processUserCommand(gm, ctx, packet.sender());
            break;
        case END_CLIENT:
            IncomingMessagesManager.unregisterClient(gm, ctx, packet.sender());
            break;
        default:
            break;
        }
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        ctx.flush();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        // We don't close the channel because we can keep serving requests.
    }
}