Initial implementation

main.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"encoding/binary"
+	"log"
+	"net"
+	"time"
+)
+
+func handle(conn net.Conn) {
+	t := time.Now()
+	buf := make([]byte, 4)
+	binary.BigEndian.PutUint32(buf, uint32(int32(t.Unix())))
+	conn.Write(buf)
+	conn.Close()
+}
+
+func main() {
+	ln, err := net.Listen("tcp", ":37")
+	if err != nil {
+		panic(err)
+	}
+	for {
+		conn, err := ln.Accept()
+		if err != nil {
+			log.Print(err)
+		}
+		go handle(conn)
+	}
+}