add basic script for receiving osc

cmd/receiveosc/receiveosc.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/jwetzell/osc-go/pkg/osc"
+	"github.com/spf13/cobra"
+)
+
+func main() {
+	var Host string
+	var Port string
+
+	var rootCmd = &cobra.Command{
+		Use: "sendosc",
+		Run: func(cmd *cobra.Command, args []string) {
+			netAddress := Host + ":" + Port
+			listen(netAddress)
+		},
+	}
+	rootCmd.Flags().StringVar(&Host, "host", "127.0.0.1", "host to send OSC message to")
+	rootCmd.Flags().StringVar(&Port, "port", "8888", "port to send OSC message to")
+	rootCmd.Execute()
+}
+
+func listen(netAddress string) {
+
+	s, err := net.ResolveUDPAddr("udp4", netAddress)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	connection, err := net.ListenUDP("udp4", s)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Printf("listening on %s (udp)\n", netAddress)
+
+	defer connection.Close()
+	buffer := make([]byte, 1024)
+
+	for {
+		bytesRead, _, err := connection.ReadFromUDP(buffer)
+
+		if err != nil {
+			panic(err)
+		}
+
+		oscMessage, err := osc.FromBytes(buffer[0:bytesRead])
+
+		if err != nil {
+			panic(err)
+		}
+		fmt.Println(oscMessage)
+	}
+}