/*
* Copyright 2011 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.example.securechat;
import java.util.logging.Level;
import java.util.logging.Logger;
import io.netty.channel.ChannelEvent;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelStateEvent;
import io.netty.channel.ExceptionEvent;
import io.netty.channel.MessageEvent;
import io.netty.channel.SimpleChannelUpstreamHandler;
import io.netty.handler.ssl.SslHandler;
/**
* Handles a client-side channel.
*/
public class SecureChatClientHandler extends SimpleChannelUpstreamHandler {
private static final Logger logger = Logger.getLogger(
SecureChatClientHandler.class.getName());
@Override
public void handleUpstream(
ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
if (e instanceof ChannelStateEvent) {
logger.info(e.toString());
}
super.handleUpstream(ctx, e);
}
@Override
public void channelConnected(
ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {
// Get the SslHandler from the pipeline
// which were added in SecureChatPipelineFactory.
SslHandler sslHandler = ctx.getPipeline().get(SslHandler.class);
// Begin handshake.
sslHandler.handshake();
}
@Override
public void messageReceived(
ChannelHandlerContext ctx, MessageEvent e) {
System.err.println(e.getMessage());
}
@Override
public void exceptionCaught(
ChannelHandlerContext ctx, ExceptionEvent e) {
logger.log(
Level.WARNING,
"Unexpected exception from downstream.",
e.getCause());
e.getChannel().close();
}
}