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 | 65 ++++++++++++++++++++------------
1 files changed, 41 insertions(+), 24 deletions(-)
diff --git a/server.go b/server.go
index 7aa34e2..c7c950d 100644
--- a/server.go
+++ b/server.go
@@ -5,6 +5,7 @@
"fmt"
"net"
"strconv"
+ "strings"
"time"
"github.com/long/test/esutil"
@@ -19,7 +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()
@@ -39,11 +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)
}
@@ -56,48 +67,54 @@
ech := make(chan error)
go func(conn net.Conn, ech chan error) {
buf := make([]byte, 10)
- _, err := conn.Read(buf)
- if err != nil {
- ech <- err
- }
+ 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{
- fmt.Println("conn: ",conn)
- log.Log.Errorln(err)
- conn.Close()
- index :=0
- for ;index < len(connArr); {
- if connArr[index] == conn{
- connArr = append(connArr[:index],connArr[index+1:]...)
- continue
- }
- index++
- }
- fmt.Println("connArr: ",connArr)
+ log.Log.Infoln("conn.WriteErr:",err)
+ return false
}
+ return true
}
--
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