Add flag to set syslog format.

cmd/circologd/main.go

@@ -26,7 +26,7 @@ func cleanSocket(socket string) {
 func main() {
 	var err error
 	var logFmt formatter.SyslogRFC
-	logFmt.Fmt = syslog.Automatic
+	logFmt.Format = syslog.Automatic
 	syslogSocketPath := flag.String("syslogd-socket", "", "The socket to listen to syslog addresses")
 	// dumpSocketPath := flag.String("dump-socket", "/run/buffer.sock", "The socket that user will connect to in order to receive logs")
 	bufsize := flag.Int("buffer-size", 1000, "Number of messages to keep")
@@ -47,7 +47,8 @@ func main() {
 	go hub.Run()
 
 	server := syslog.NewServer()
-	server.SetFormat(logFmt.Fmt)
+	server.SetFormat(logFmt.Format)
+	fmt.Printf("Syslog format set to: %s\n", logFmt.String())
 	server.SetHandler(handler)
 	if *syslogSocketPath != "" {
 		if err = server.ListenUnixgram(*syslogSocketPath); err != nil {

formatter/rfc.go

@@ -8,26 +8,24 @@ import (
 )
 
 // SyslogRFC is the formatter that the server should use
-type SyslogRFC struct {
-	Fmt format.Format
-}
+type SyslogRFC struct{ format.Format }
 
 func (rfc *SyslogRFC) Set(v string) error {
 	newval, err := parseRFCValue(v)
 	if err != nil {
 		return err
 	}
-	rfc.Fmt = newval
+	rfc.Format = newval
 	return nil
 }
 
 func (rfc *SyslogRFC) String() string {
 	switch {
-	case rfc.Fmt == syslog.Automatic:
+	case rfc.Format == syslog.Automatic:
 		return "auto"
-	case rfc.Fmt == syslog.RFC3164:
+	case rfc.Format == syslog.RFC3164:
 		return "rfc3164"
-	case rfc.Fmt == syslog.RFC5424:
+	case rfc.Format == syslog.RFC5424:
 		return "rfc5424"
 	}
 	return ""