Data commit

Task/Echo-server/Go/echo-server.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"bufio"
+)
+
+func echo(s net.Conn, i int) {
+	defer s.Close();
+
+	fmt.Printf("%d: %v <-> %v\n", i, s.LocalAddr(), s.RemoteAddr())
+	b := bufio.NewReader(s)
+	for {
+		line, e := b.ReadBytes('\n')
+		if e != nil {
+			break
+		}
+		s.Write(line)
+	}
+	fmt.Printf("%d: closed\n", i)
+}
+
+func main() {
+	l, e := net.Listen("tcp", ":12321")
+	for i := 0; e == nil; i++ {
+		var s net.Conn
+		s, e = l.Accept()
+		go echo(s, i)
+	}
+}