You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
178 lines
3.8 KiB
178 lines
3.8 KiB
package main
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"fmt"
|
|
"github.com/pborman/getopt/v2"
|
|
"io"
|
|
"io/ioutil"
|
|
"net"
|
|
"os"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const HeadSize int = 4
|
|
func initServer(network,addr string) net.Listener {
|
|
|
|
listener,err := net.Listen(network,addr)
|
|
if err != nil {
|
|
fmt.Println("Listener for",addr)
|
|
}
|
|
|
|
return listener
|
|
}
|
|
|
|
func testServer(listener net.Listener) {
|
|
defer listener.Close()
|
|
for {
|
|
unixConn, err := listener.Accept()
|
|
if err != nil {
|
|
continue
|
|
//return
|
|
}
|
|
|
|
fmt.Println("A client connected : " + unixConn.RemoteAddr().String())
|
|
unixPipe(unixConn)
|
|
}
|
|
}
|
|
|
|
func unixPipe(conn io.ReadWriteCloser) {
|
|
defer conn.Close()
|
|
buf := make([]byte,1024*1024*10)
|
|
|
|
for {
|
|
conn.Read(buf[:HeadSize])
|
|
payloadLength := binary.LittleEndian.Uint32(buf)
|
|
length,err := conn.Read(buf[HeadSize : HeadSize+int(payloadLength)])
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
fmt.Println("read from client error=", err, "need to read len=", payloadLength)
|
|
} else {
|
|
fmt.Println("client disconnected=", err, "need to read len=", payloadLength)
|
|
}
|
|
return
|
|
}
|
|
|
|
buf[0] = '@'
|
|
buf[1] = '#'
|
|
conn.Write(buf[:HeadSize+length])
|
|
fmt.Println(time.Now(),"received len=",length)
|
|
}
|
|
}
|
|
|
|
func initClient(network,addr string) io.ReadWriteCloser{
|
|
conn, err := net.Dial(network, addr)
|
|
if err != nil {
|
|
fmt.Println("dialUnix err=", err)
|
|
}
|
|
|
|
fmt.Println("connected!")
|
|
|
|
return conn
|
|
}
|
|
|
|
func testClient(conn io.ReadWriteCloser,content []byte,count int) {
|
|
|
|
data := make([]byte, HeadSize+len(content))
|
|
|
|
dataLength := uint32(len(content))
|
|
|
|
binary.LittleEndian.PutUint32(data,dataLength)
|
|
|
|
copy(data[HeadSize:], content)
|
|
|
|
fmt.Println("client will send",data)
|
|
|
|
buf := make([]byte,1024*1024*10)
|
|
var max,sum time.Duration
|
|
var min = time.Second * 100
|
|
|
|
for i := 0; i < count;i++ {
|
|
begin := time.Now()
|
|
conn.Write(data)
|
|
length, err := conn.Read(buf[:len(data)])
|
|
if err != nil {
|
|
fmt.Println("read from server, error=",err)
|
|
return
|
|
}
|
|
|
|
elapsed := time.Since(begin)
|
|
if max < elapsed {
|
|
max = elapsed
|
|
}
|
|
|
|
if min > elapsed {
|
|
min = elapsed
|
|
}
|
|
|
|
sum += elapsed
|
|
|
|
fmt.Println("read use ",elapsed,"length=",length,buf[0],buf[1])
|
|
time.Sleep(time.Millisecond *100)
|
|
}
|
|
|
|
ave := time.Duration(int64(sum) / 1000)
|
|
fmt.Println("total use ","max=",max,"min=",min,"ave=",ave)
|
|
}
|
|
|
|
func main() {
|
|
// Declare the flags to be used
|
|
helpFlag := getopt.Bool('h', "display help")
|
|
serverFlag := getopt.BoolLong("server", 's', "", "the command")
|
|
addrString := getopt.StringLong("address", 'a', "/tmp/unix_sock", "address")
|
|
countFlag := getopt.IntLong("count", 'c',1,"test count of loop")
|
|
textFlag := getopt.StringLong("text", 't',"00112233445566778899","text to send")
|
|
fileFlag := getopt.StringLong("file", 'f',"","read data from file to send")
|
|
//repeatFlag := getopt.StringLong("retransmit", 'r',"","address for retransmit data to next node")
|
|
|
|
//:= getopt.BoolLong("server", 's', "", "the command")
|
|
|
|
// Parse the program arguments
|
|
getopt.Parse()
|
|
// Get the remaining positional parameters
|
|
//args := getopt.Args()
|
|
if *helpFlag {
|
|
getopt.PrintUsage(os.Stdout)
|
|
return
|
|
}
|
|
|
|
var network string
|
|
isUnixDomain := strings.ContainsRune(*addrString,'/')
|
|
if !isUnixDomain {
|
|
network = "tcp"
|
|
} else {
|
|
network = "unix"
|
|
if *serverFlag {
|
|
os.Remove(*addrString)
|
|
}
|
|
}
|
|
|
|
sendContent := []byte(*textFlag)
|
|
fmt.Println("It will use :",network,*addrString)
|
|
if len(*fileFlag) > 0 {
|
|
f , err := os.Open(*fileFlag)
|
|
if err != nil {
|
|
fmt.Println("open file",*fileFlag,err)
|
|
return
|
|
}
|
|
|
|
sendContent,err = ioutil.ReadAll(f)
|
|
|
|
if err != nil {
|
|
fmt.Println("read file",*fileFlag,err)
|
|
return
|
|
}
|
|
}
|
|
|
|
if *serverFlag {
|
|
listener := initServer(network,*addrString)
|
|
defer listener.Close()
|
|
testServer(listener)
|
|
} else {
|
|
conn := initClient(network,*addrString)
|
|
defer conn.Close()
|
|
testClient(conn,sendContent,*countFlag)
|
|
}
|
|
//add nothing for test
|
|
}
|