com.hipishare.chat.server.handler.SecureChatHandler.java Source code

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Here is the source code for com.hipishare.chat.server.handler.SecureChatHandler.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 com.hipishare.chat.server.handler;

import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.group.ChannelGroup;
import io.netty.channel.group.DefaultChannelGroup;
import io.netty.handler.ssl.SslHandler;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import io.netty.util.concurrent.GlobalEventExecutor;

import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import com.hipishare.chat.server.command.CommandController;
import com.hipishare.chat.server.command.HipishareCommand;
import com.hipishare.chat.server.domain.MsgObject;
import com.hipishare.chat.server.exception.HipishareException;

/**
 * Handles a server-side channel.
 */
public class SecureChatHandler extends SimpleChannelInboundHandler<MsgObject> {

    static final ChannelGroup channels = new DefaultChannelGroup(GlobalEventExecutor.INSTANCE);
    private static Logger LOG = LogManager.getLogger(SecureChatHandler.class.getName());

    @Override
    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception { // (3)
        LOG.info("[]handlerRemoved");
        channels.remove(ctx.channel());
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception { // (6)
        LOG.info("[]handlerRemoved");
    }

    @Override
    public void channelActive(final ChannelHandlerContext ctx) {
        // Once session is secured, send a greeting and register the channel to the global channel
        // list so the channel received the messages from others.
        LOG.info("[]?channel");
        SslHandler sslHandler = ctx.pipeline().get(SslHandler.class);
        if (null != sslHandler) {
            sslHandler.handshakeFuture().addListener(new GenericFutureListener<Future<Channel>>() {
                @Override
                public void operationComplete(Future<Channel> future) throws Exception {
                    if (future.isSuccess()) {
                        LOG.info("SSL??");
                        channels.add(ctx.channel());
                    }
                }
            });
        }
    }

    @Override
    public void channelRead0(ChannelHandlerContext ctx, MsgObject msg) throws Exception {
        // Send the received message to all channels but the current one.
        LOG.info("??" + msg.getC());
        // getReceiverByCmd(short cmd);
        HipishareCommand command = null;
        try {
            command = CommandController.getReceiverByCmd(msg.getC(), msg.getM(), ctx.channel());
            command.execute();
        } catch (HipishareException e) {
            e.printStackTrace();
            LOG.error(e.getMessage());
        }
        /*for (Channel c: channels) {
        if (c != ctx.channel()) {
            c.writeAndFlush("[" + ctx.channel().remoteAddress() + "] " + msg + '\n');
        } else {
            c.writeAndFlush("[you] " + msg + '\n');
        }
        }
        // Close the connection if the client has sent 'bye'.
        if ("bye".equals(msg.getC())) {
        ctx.close();
        }*/
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        LOG.error("[]" + cause.getMessage());
        cause.printStackTrace();
        ctx.close();
    }
}