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58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
6 years ago
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package main
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import (
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"flag"
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"fmt"
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"net"
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"os"
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"strings"
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"github.com/hypebeast/go-osc/osc"
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)
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var options struct {
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listen string
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forward string
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}
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func exit(status int, t string, args ...interface{}) {
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if !strings.HasSuffix(t, "\n") {
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t += "\n"
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}
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if status != 0 {
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fmt.Fprintf(os.Stderr, t, args...)
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} else {
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fmt.Fprintf(os.Stdout, t, args...)
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}
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os.Exit(status)
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}
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func main() {
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flag.StringVar(&options.listen, "listen", "0.0.0.0:9220", "listen address for receiving OSC messages")
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flag.StringVar(&options.forward, "forward", "127.0.0.1:9225", "forward address for sending TCP data")
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flag.Parse()
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fmt.Printf("dialing %s\n", options.forward)
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conn, err := net.Dial("tcp", options.forward)
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if err != nil {
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exit(1, "unable to dial upstream server: %v", err)
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}
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defer conn.Close()
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fmt.Println("connected to upstream tcp handler")
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server := &osc.Server{Addr: options.listen}
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server.Handle("/example", func(msg *osc.Message) {
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fmt.Printf("received OSC message: %v\n", *msg)
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if len(msg.Arguments) == 0 {
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return
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}
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_, err := fmt.Fprintf(conn, "%d\n", msg.Arguments[0])
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if err != nil {
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exit(1, "ERROR: unable to forward message to upstream: %v\n", err)
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}
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})
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fmt.Printf("listening on %s\n", options.listen)
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server.ListenAndServe()
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}
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