From 38179780b2f728abe6dd0e5aaa284c6ee6aa8380 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Wed, 09 Mar 2022 14:19:56 +0800
Subject: [PATCH] init otc
---
src/main/java/com/xcong/excoin/netty/handler/WebSocketServerHandler.java | 37 ++++++++++++++++++++++++++++---------
1 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/src/main/java/com/xcong/excoin/netty/handler/WebSocketServerHandler.java b/src/main/java/com/xcong/excoin/netty/handler/WebSocketServerHandler.java
index 3e57246..2a28b57 100644
--- a/src/main/java/com/xcong/excoin/netty/handler/WebSocketServerHandler.java
+++ b/src/main/java/com/xcong/excoin/netty/handler/WebSocketServerHandler.java
@@ -5,6 +5,7 @@
import com.xcong.excoin.netty.common.Contans;
import com.xcong.excoin.netty.common.NettyTools;
import com.xcong.excoin.netty.dispatch.MsgDispatch;
+import com.xcong.excoin.utils.SpringContextHolder;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.*;
@@ -29,9 +30,11 @@
import static io.netty.handler.codec.http.HttpUtil.isKeepAlive;
/**
- * @author wzy
- * @email wangdoubleone@gmail.com
- * @date 2019-05-06
+ * 项目启动时，在控制台有
+ * Unable to proxy interface-implementing method [public final void io.netty.channel.ChannelInitializer.channelRegistered(io.netty.channel.ChannelHandlerContext) throws java.lang.Exception] because it is marked as final: Consider using interface-based JDK proxies instead!
+ * 输出
+ * 表明，此类将走代理enhancerbyspringcglib代理
+ * 此时，获取到此类将为null(不知道原因)，从而导致netty连接在初始化时会有空指针异常
*/
@Slf4j
@Component
@@ -44,8 +47,8 @@
private WebSocketServerHandshaker handshaker;
- @Resource(name = "msgDispatch")
- private MsgDispatch msgDispatch;
+// @Resource(name = "msgDispatch")
+// private MsgDispatch msgDispatch;
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
@@ -75,8 +78,9 @@
content = ((TextWebSocketFrame) frame).text();
if (content.contains(Contans.HEART_BEAT)) {
resetTimes(ctx.channel());
+// ctx.channel().writeAndFlush(NettyTools.webSocketBytes(Contans.HEART_BEAT));
} else {
- this.msgDispatch.webSocketDispatch(ctx, content);
+ SpringContextHolder.getBean(MsgDispatch.class).webSocketDispatch(ctx, content);
}
} catch (ClassCastException e) {
content = ((CloseWebSocketFrame) frame).reasonText();
@@ -87,12 +91,27 @@
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
- log.info("[触发器触发]");
-// super.userEventTriggered(ctx, evt);
+// log.info("[触发器触发]");
if (evt instanceof IdleStateEvent) {
IdleStateEvent event = (IdleStateEvent) evt;
if (event.state() == IdleState.READER_IDLE) {
-
+ Integer times = pingTimes.get(ctx.channel().id().asShortText());
+ if (times == null) {
+ times = 0;
+ }
+ /*读超时*/
+// log.info("===服务端===({}读超时, {})", ctx.channel().id().asShortText(), times);
+ // 失败计数器次数大于等于3次的时候，关闭链接，等待client重连
+ if (times >= MAX_UN_REC_PING_TIMES) {
+ log.info("===服务端===(读超时，关闭chanel)");
+ // 连续超过N次未收到client的ping消息，那么关闭该通道，等待client重连
+ ctx.channel().close();
+ } else {
+ // 失败计数器加1
+ times++;
+ pingTimes.remove(ctx.channel().id().asShortText());
+ pingTimes.put(ctx.channel().id().asShortText(), times);
+ }
} else if (event.state() == IdleState.WRITER_IDLE) {
/*写超时*/
ctx.channel().writeAndFlush(NettyTools.webSocketBytes(Contans.HEART_BEAT));
--
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