From 29362baf24951640afa55615ef1102bc5eeb4f0b Mon Sep 17 00:00:00 2001 From: Blallo Date: Wed, 22 Aug 2018 22:13:54 +0200 Subject: [PATCH] Connection parameters from command-line --- main.go | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/main.go b/main.go index ca3b37c..31e986c 100644 --- a/main.go +++ b/main.go @@ -5,6 +5,8 @@ import ( "flag" "fmt" "net/http" + "os" + "strconv" syslog "gopkg.in/mcuadros/go-syslog.v2" "gopkg.in/mcuadros/go-syslog.v2/format" @@ -38,7 +40,18 @@ func main() { 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") + UDPPort := flag.Int("log-port", 9514, "UDP port where to listen for syslog messages") + TCPPort := flag.Int("query-port", 9080, "TCP port where to listen for queries from the buffer") + address := flag.String("addr", "127.0.0.1", "Address to bind to") flag.Parse() + if *TCPPort > 65535 || *TCPPort < 1 { + fmt.Fprintf(os.Stderr, "Error: selected query-port is out of bounds: %d\n", *TCPPort) + os.Exit(1) + } + if *UDPPort > 65535 || *UDPPort < 1 { + fmt.Fprintf(os.Stderr, "Error: selected log-port is out of bounds: %d\n", *UDPPort) + os.Exit(1) + } channel := make(chan format.LogParts) handler := syslog.NewChannelHandler(channel) @@ -49,8 +62,9 @@ func main() { if *syslogSocketPath != "" { server.ListenUnixgram(*syslogSocketPath) fmt.Printf("Binding socket `%s` [syslog]\n", *syslogSocketPath) + os.Exit(2) } else { - addr := "127.0.0.1:9514" + addr := *address + ":" + strconv.Itoa(*UDPPort) fmt.Printf("Binding address `%s` [syslog]\n", addr) server.ListenUDP(addr) } @@ -59,8 +73,9 @@ func main() { go syslogdHandler(channel) http.HandleFunc("/", httpHandler) - fmt.Printf("Binding address `%s` [http]\n", ":9080") - http.ListenAndServe(":9080", nil) + listenPortFmt := ":" + strconv.Itoa(*TCPPort) + fmt.Printf("Binding address `%s` [http]\n", listenPortFmt) + http.ListenAndServe(listenPortFmt, nil) server.Wait() }