Initial commit, lots of cleanup and stuff to do, it may not work.

gumble/cmd/mumble-ping/main.go

@@ -0,0 +1,63 @@
+package main // import "git.2mb.codes/~cmb/barnard/gumble/cmd/mumble-ping"
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"net"
+	"os"
+	"strconv"
+	"time"
+
+	"git.2mb.codes/~cmb/barnard/gumble/gumble"
+)
+
+func main() {
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "usage: %s [flags] <destination>\n", os.Args[0])
+		flag.PrintDefaults()
+	}
+	interval := flag.Duration("interval", time.Second*1, "ping packet retransmission interval")
+	timeout := flag.Duration("timeout", time.Second*5, "ping timeout until failure")
+	jsonOutput := flag.Bool("json", false, "output success response as JSON")
+	flag.Parse()
+	if flag.NArg() != 1 {
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	server := flag.Arg(0)
+
+	host, port, err := net.SplitHostPort(server)
+	if err != nil {
+		host = server
+		port = strconv.Itoa(gumble.DefaultPort)
+	}
+
+	resp, err := gumble.Ping(net.JoinHostPort(host, port), *interval, *timeout)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "%s: %s\n", os.Args[0], err)
+		os.Exit(1)
+	}
+	major, minor, patch := resp.Version.SemanticVersion()
+
+	if !*jsonOutput {
+		fmt.Printf("Address:         %s\n", resp.Address)
+		fmt.Printf("Ping:            %s\n", resp.Ping)
+		fmt.Printf("Version:         %d.%d.%d\n", major, minor, patch)
+		fmt.Printf("Connected Users: %d\n", resp.ConnectedUsers)
+		fmt.Printf("Maximum Users:   %d\n", resp.MaximumUsers)
+		fmt.Printf("Maximum Bitrate: %d\n", resp.MaximumBitrate)
+	} else {
+		output := map[string]interface{}{
+			"address":         resp.Address.String(),
+			"ping":            float64(resp.Ping) / float64(time.Millisecond),
+			"version":         fmt.Sprintf("%d.%d.%d", major, minor, patch),
+			"connected_users": resp.ConnectedUsers,
+			"maximum_users":   resp.MaximumUsers,
+			"maximum_bitrate": resp.MaximumBitrate,
+		}
+		encoder := json.NewEncoder(os.Stdout)
+		encoder.Encode(output)
+	}
+}