39 lines
703 B
Go
39 lines
703 B
Go
// Echosvr is a simple TCP echo server
|
|
//
|
|
// It prints its listen address on stdout
|
|
// 127.0.0.1:xxxxx
|
|
// A test should wait for this line, parse it
|
|
// and may then attempt to connect.
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
)
|
|
|
|
func main() {
|
|
listener, err := net.Listen("tcp", ":")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
_, port, err := net.SplitHostPort(listener.Addr().String())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
fmt.Printf("127.0.0.1:%s\n", port)
|
|
for {
|
|
conn, err := listener.Accept()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
go handleConnection(conn)
|
|
}
|
|
}
|
|
|
|
func handleConnection(conn net.Conn) {
|
|
buf := make([]byte, 512)
|
|
nBytesRead, _ := conn.Read(buf)
|
|
conn.Write(buf[0:nBytesRead])
|
|
conn.Close()
|
|
}
|