/*
* Copyright 2013-2018 Lilinfeng.
*
* 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 com.phei.netty.protocol.netty.client;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import com.phei.netty.protocol.netty.MessageType;
import com.phei.netty.protocol.netty.struct.Header;
import com.phei.netty.protocol.netty.struct.NettyMessage;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Lilinfeng
* @version 1.0
* @date 2014年3月15日
*/
public class LoginAuthReqHandler extends ChannelHandlerAdapter {
private static final Log LOG = LogFactory.getLog(LoginAuthReqHandler.class);
/**
* Calls {@link ChannelHandlerContext#fireChannelActive()} to forward to the
* next {@link ChannelHandler} in the {@link ChannelPipeline}.
* <p/>
* Sub-classes may override this method to change behavior.
*/
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
ctx.writeAndFlush(buildLoginReq());
}
/**
* Calls {@link ChannelHandlerContext#fireChannelRead(Object)} to forward to
* the next {@link ChannelHandler} in the {@link ChannelPipeline}.
* <p/>
* Sub-classes may override this method to change behavior.
*/
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg)
throws Exception {
NettyMessage message = (NettyMessage) msg;
// 如果是握手应答消息,需要判断是否认证成功
if (message.getHeader() != null
&& message.getHeader().getType() == MessageType.LOGIN_RESP
.value()) {
byte loginResult = (byte) message.getBody();
if (loginResult != (byte) 0) {
// 握手失败,关闭连接
ctx.close();
} else {
LOG.info("Login is ok : " + message);
ctx.fireChannelRead(msg);
}
} else
ctx.fireChannelRead(msg);
}
private NettyMessage buildLoginReq() {
NettyMessage message = new NettyMessage();
Header header = new Header();
header.setType(MessageType.LOGIN_REQ.value());
message.setHeader(header);
return message;
}
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
throws Exception {
ctx.fireExceptionCaught(cause);
}
}