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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 org.glowroot.shaded.netty.example.proxy;
import org.glowroot.shaded.netty.buffer.Unpooled;
import org.glowroot.shaded.netty.channel.Channel;
import org.glowroot.shaded.netty.channel.ChannelFuture;
import org.glowroot.shaded.netty.channel.ChannelFutureListener;
import org.glowroot.shaded.netty.channel.ChannelHandlerContext;
import org.glowroot.shaded.netty.channel.ChannelInboundHandlerAdapter;
public class HexDumpProxyBackendHandler extends ChannelInboundHandlerAdapter {
private final Channel inboundChannel;
public HexDumpProxyBackendHandler(Channel inboundChannel) {
this.inboundChannel = inboundChannel;
}
@Override
public void channelActive(ChannelHandlerContext ctx) {
ctx.read();
ctx.write(Unpooled.EMPTY_BUFFER);
}
@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) {
inboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) {
if (future.isSuccess()) {
ctx.channel().read();
} else {
future.channel().close();
}
}
});
}
@Override
public void channelInactive(ChannelHandlerContext ctx) {
HexDumpProxyFrontendHandler.closeOnFlush(inboundChannel);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
cause.printStackTrace();
HexDumpProxyFrontendHandler.closeOnFlush(ctx.channel());
}
}