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echo logged server errors back to client as well

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This commit is contained in:
Gokcehan 2021-05-21 16:54:01 +03:00
parent 7cdb7495ea
commit 7acb69c40a
1 changed files with 15 additions and 6 deletions
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21
server.go
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@ -53,6 +53,15 @@ func listen(l net.Listener) {
}
}
func echoerr(c net.Conn, msg string) {
fmt.Fprintln(c, msg)
log.Printf(msg)
}
func echoerrf(c net.Conn, format string, a ...interface{}) {
echoerr(c, fmt.Sprintf(format, a...))
}
func handleConn(c net.Conn) {
s := bufio.NewScanner(c)
@ -66,24 +75,24 @@ Loop:
word2, _ := splitWord(rest)
id, err := strconv.Atoi(word2)
if err != nil {
log.Print("listen: conn: client id should be a number")
echoerr(c, "listen: conn: client id should be a number")
} else {
gConnList[id] = c
}
} else {
log.Print("listen: conn: requires a client id")
echoerr(c, "listen: conn: requires a client id")
}
case "drop":
if rest != "" {
word2, _ := splitWord(rest)
id, err := strconv.Atoi(word2)
if err != nil {
log.Print("listen: drop: client id should be a number")
echoerr(c, "listen: drop: client id should be a number")
} else {
delete(gConnList, id)
}
} else {
log.Print("listen: drop: requires a client id")
echoerr(c, "listen: drop: requires a client id")
}
case "send":
if rest != "" {
@ -114,12 +123,12 @@ Loop:
gListener.Close()
break Loop
default:
log.Printf("listen: unexpected command: %s", word)
echoerrf(c, "listen: unexpected command: %s", word)
}
}
if s.Err() != nil {
log.Printf("listening: %s", s.Err())
echoerrf(c, "listening: %s", s.Err())
}
c.Close()