Go语言练习 TCPserver 与 TCPclient实现

serverTcp.go

 1 package main
 2 
 3 import (
 4         "net"
 5         "fmt"
 6         "os"
 7         "time"
 8 )
 9 
10 func checkError(err error){
11           if err != nil {
12               fmt.Fprintf(os.Stderr,"Fatal error: %s",err.Error())
13               os.Exit(1)
14           }
15   }
16 
17 func handleConnection(conn net.Conn,i int){
18             fmt.Println("connect succeed! ID: ",i)
19             i += 1
20             time.Sleep(1* time.Millisecond)
21              _,_ = conn.Write([]byte("message from server\r\n\r\n"))
22             time.Sleep(1* time.Millisecond)
23             conn.Close()
24 }
25 func main() {
26         i := 0
27         ln,err := net.Listen("tcp",":8080")
28         checkError(err)
29 
30         for {
31             conn,err := ln.Accept()
32             if err != nil {
33                   fmt.Fprintf(os.Stderr,"Fatal error: %s",err.Error())
34                   continue
35             }
36             i += 1
37             go handleConnection(conn,i)
38         }
39 }

clientTcp.go

package main

import (
        "fmt"
        "os"
        "net"
        "time"
        "io"
)
func checkError(err error){
         if err != nil {
             fmt.Fprintf(os.Stderr,"Fatal error: %s",err.Error())
             os.Exit(1)
         }
 }

func main() {
        for  i:=0 ;i <100 ;i++{
        conn,err := net.Dial("tcp","127.0.0.1:8080")
        checkError(err)

        fmt.Println("connect succeed! ID:",i+1)
        var buf [512]byte
            for {
                _,err := conn.Read(buf[0:])
                if err != nil {
                    if err == io.EOF {
                        break
                    }
                }
            }
         fmt.Println(string(buf[:]))
         time.Sleep(1* time.Millisecond)
        conn.Close()
        }
}

 

posted on 2013-01-24 18:21  vince67  阅读(435)  评论(0)  编辑  收藏  举报

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