From 130d52d6dff343a1096fcdc04f01c649beda35d2 Mon Sep 17 00:00:00 2001
From: liuxiaolong <736321739@qq.com>
Date: 星期二, 04 六月 2019 11:51:41 +0800
Subject: [PATCH] when conn'num>50 close all,client reconn

---
 server.go |   69 ++++++++++++++++++++--------------
 1 files changed, 41 insertions(+), 28 deletions(-)

diff --git a/server.go b/server.go
index 017a8aa..c7c950d 100644
--- a/server.go
+++ b/server.go
@@ -1,11 +1,11 @@
 package main
 
 import (
-	"errors"
 	"flag"
 	"fmt"
 	"net"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/long/test/esutil"
@@ -20,7 +20,7 @@
 var sec = flag.Int("sec", 10, "the second for query data. ")
 
 var Level = flag.String("level","ErrorLevel","log level")
-
+//var ipMap map[string]net.Conn
 func main() {
 	flag.Parse()
 
@@ -40,11 +40,21 @@
 
 	connArr:=make([]net.Conn,0)
 
+	//ipMap = make(map[string]net.Conn,0)
 	for {
 		conn, err := listener.Accept()//
+
+		//clientIpPort := conn.RemoteAddr().String()
+		//index := strings.Index(clientIpPort, ":")
+		//ipStr := clientIpPort[:index-1]
+		//if oldConn,ok := ipMap[ipStr];ok {
+		//	oldConn.Close()
+		//}
+		//ipMap[ipStr] = conn
+
 		connArr = append(connArr,conn)
 		if err != nil {
-			log.Log.Errorf("some connecion error: %s\n", err)
+			log.Log.Infoln("some connecion error: ", err)
 		}
 		go handleConnection(conn,connArr)
 	}
@@ -57,51 +67,54 @@
 	ech := make(chan error)
 	go func(conn net.Conn, ech chan error) {
 		buf := make([]byte, 10)
-		for {
-			_, err := conn.Read(buf)
-			log.Log.Errorln("Read completed!")
-			if err != nil {
-				ech <- err
-				log.Log.Errorln("Read Error!conn.Close")
-				break
-			}
-		}
+		readMsg, err := conn.Read(buf)
+		log.Log.Infoln("Read completed,readMsg:",readMsg,",err:",err)
+		ech <- err
+
 	}(conn, ech)
+	go func(conArray []net.Conn) {
+		for {
+			if len(conArray)>50 {
+				for _,connEach :=range conArray{
+					connEach.Close()
+				}
+				return
+			}
+			time.Sleep(200*time.Second)
+		}
+	}(connArr)
 	tick := time.NewTicker(10 * time.Second)
 
 	for {
 		select {
 		case <-tick.C:
-			handleMessage(conn, connArr)
+			if !handleMessage(conn, connArr){
+				conn.Close()
+				return
+			}
 		case err := <-ech:
-			log.Log.Errorln(err, "remoteAddr ", remoteAddr, " close")
+			log.Log.Infoln(err, "remoteAddr ", remoteAddr, " close")
 			conn.Close()
-			break
+			return
 		}
+
 	}
 
 	log.Log.Infoln("Client at " + remoteAddr + " disconnected.")
 }
 
-func handleMessage(conn net.Conn, connArr []net.Conn) {
+func handleMessage(conn net.Conn, connArr []net.Conn) bool {
 	jsonstring := esutil.PostAction(*sec, *Eurl, *Picurl)
 	if jsonstring == nil {
-		log.Log.Infoln("the data is nil")
-		return
+		log.Log.Infoln("the data is nil,remoteArr:",conn.RemoteAddr())
+		return true
 	}
 	jsonstring = append(jsonstring, []byte("\000")...)
 	log.Log.Infoln("jsonstring len: ", len(jsonstring), "\000 data: ", len("\000"))
 	_, err := conn.Write(jsonstring)
 	if err !=nil{
-		log.Log.Errorln(err)
-
-		//index :=0
-		//for ;index < len(connArr); {
-		//	if connArr[index] == conn{
-		//		connArr = append(connArr[:index],connArr[index+1:]...)
-		//		continue
-		//	}
-		//	index++
-		//}
+		log.Log.Infoln("conn.WriteErr:",err)
+		return false
 	}
+	return true
 }

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