2 files changed, 16 insertions(+), 2 deletions(-)

M cmd/slowping-client/main.go
M cmd/slowping-server/main.go

@@ 15,13 15,20 @@ func main() {
 	var server string
 	var port uint
 	var interval uint
+	var help bool
 
 	flag.UintVar(&port, "p", 9000, "server's tcp port to connect to")
 	flag.StringVar(&server, "s", "0.0.0.0", "server to connect to")
 	flag.UintVar(&interval, "i", 1, "interval to send to server")
+	flag.BoolVar(&help, "h", false, "Print help and quit.")
 
 	flag.Parse()
 
+	if help {
+		flag.CommandLine.Usage()
+		return
+	}
+
 	con, err := net.Dial("tcp", fmt.Sprintf("%s:%d", server, port))
 	if err != nil {
 		log.Fatalln(err)


@@ 38,7 45,7 @@ func main() {
 		resp, err := sReader.ReadString('\n')
 		switch err {
 		case nil:
-			log.Printf("got: %s\n", strings.TrimSpace(resp))
+			log.Printf("%s\n", strings.TrimSpace(resp))
 		case io.EOF:
 			log.Println("connection closed")
 			return

@@ 14,12 14,19 @@ import (
 func main() {
 	var port uint
 	var delay uint
+	var help bool
 
 	flag.UintVar(&port, "p", 9000, "tcp port to listen on")
 	flag.UintVar(&delay, "d", 5, "delay between receiving from client and responding back to client")
+	flag.BoolVar(&help, "h", false, "Print help and quit.")
 
 	flag.Parse()
 
+	if help {
+		flag.CommandLine.Usage()
+		return
+	}
+
 	l, err := net.Listen("tcp", fmt.Sprintf("0.0.0.0:%d", port))
 	if err != nil {
 		log.Fatalln(err)


@@ 47,7 54,7 @@ func handleCon(con net.Conn, delay time.Duration) {
 
 		switch err {
 		case nil:
-			log.Printf("got: %s\n", strings.TrimSpace(req))
+			log.Printf("%s\n", strings.TrimSpace(req))
 
 			time.Sleep(delay * time.Second)