package com.lgb.app.socket;



 import android.content.Context;

 import io.netty.bootstrap.Bootstrap;

 import io.netty.channel.ChannelFuture;

 import io.netty.channel.ChannelInitializer;

 import io.netty.channel.ChannelOption;

 import io.netty.channel.EventLoopGroup;

 import io.netty.channel.nio.NioEventLoopGroup;

 import io.netty.channel.socket.SocketChannel;

 import io.netty.channel.socket.nio.NioSocketChannel;

 import io.netty.handler.codec.protobuf.ProtobufDecoder;

 import io.netty.handler.codec.protobuf.ProtobufEncoder;

 import io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;

 import io.netty.handler.codec.protobuf.ProtobufVarint32LengthFieldPrepender;

 import io.netty.handler.timeout.IdleStateHandler;



 public class LgbClient {


private EventLoopGroup group;

private Context mContext;


public void connect(int port, String host, Context context) {

this.mContext = context;

System.out.println("客户端socket服务正在启动...");

group = new NioEventLoopGroup();


try {

Bootstrap b = new Bootstrap();

b.group(group)

.channel(NioSocketChannel.class)

//.option(ChannelOption.SO_BACKLOG, 2048)

       .option(ChannelOption.TCP_NODELAY, true)

       .option(ChannelOption.SO_KEEPALIVE, true)

.handler(new ChildChannelHandler());


ChannelFuture f = b.connect(host, port).sync();

if (f.isSuccess()) {

System.out.println("客户端socket服务启动成功...");

}


f.channel().closeFuture().sync();

System.out.println("客户端socket链路关闭...");

} catch (Exception e) {

e.printStackTrace();

} finally {

System.out.println("客户端socket shutdownGracefully...");

group.shutdownGracefully();

try {

Thread.sleep(60*1000);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

new LgbClient().connect(Constant.PORT, Constant.IP,this.mContext);

}

}


private class ChildChannelHandler extends ChannelInitializer<SocketChannel> {

@Override

protected void initChannel(SocketChannel arg0) throws Exception {

arg0.pipeline().addLast(new ProtobufVarint32FrameDecoder());

arg0.pipeline().addLast(new ProtobufDecoder(LgbMessage.Message.getDefaultInstance()));

arg0.pipeline().addLast(new ProtobufVarint32LengthFieldPrepender());

arg0.pipeline().addLast(new ProtobufEncoder());

arg0.pipeline().addLast("idlehandler", new IdleStateHandler(60, 3, 0));//心跳监测

   arg0.pipeline().addLast(new LgbClientHandler(mContext));

}


}

 }