-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathNioClientHandler.java
More file actions
66 lines (60 loc) · 1.82 KB
/
Copy pathNioClientHandler.java
File metadata and controls
66 lines (60 loc) · 1.82 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
package lbtech.client;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.timeout.IdleState;
import io.netty.handler.timeout.IdleStateEvent;
/**
* client处理类
* @author DF
*
*/
public class NioClientHandler extends SimpleChannelInboundHandler<String>{
/**
* 日志对象
*/
protected Logger logger = LoggerFactory.getLogger(NioClientHandler.class);
@Override
protected void channelRead0(ChannelHandlerContext ctx, String msg)
throws Exception {
logger.info("client----->收到服务器端消息：{}" , msg);
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
super.channelActive(ctx);
ctx.writeAndFlush("我先给服务器一个消息。。");
}
/**
* 响应netty 心跳 这个可以给客户端发送一些特定包 来标识
*/
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt)
throws Exception {
super.userEventTriggered(ctx, evt);
if (evt instanceof IdleStateEvent) {
IdleStateEvent e = (IdleStateEvent) evt;
//多少秒没有读
if (e.state() == IdleState.READER_IDLE) {
logger.info("读超时.....");
} else if (e.state() == IdleState.WRITER_IDLE) {//多少秒没有写
//ctx.close();
logger.info("写超时.....");
}else if (e.state() == IdleState.ALL_IDLE) { //总时间
logger.info("总超时.....");
//ctx.close();
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
throws Exception {
try {
super.exceptionCaught(ctx, cause);
} catch (Exception e) {
logger.info("client exception ....关闭连接");
ctx.close();
}
}
}