frontend + main functionalities

cmd/main.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/krishpranav/remote-desktop/api"
+	"github.com/krishpranav/remote-desktop/encoders"
+	"github.com/krishpranav/remote-desktop/rdisplay"
+	"github.com/krishpranav/remote-desktop/rtc"
+)
+
+const (
+	httpDefaultPort   = "8080"
+	defaultStunServer = "stun:stun.l.google.com:19302"
+)
+
+func main() {
+
+	httpPort := flag.String("http.port", httpDefaultPort, "HTTP listen port")
+	stunServer := flag.String("stun.server", defaultStunServer, "STUN server URL (stun:)")
+	flag.Parse()
+
+	var video rdisplay.Service
+	video, err := rdisplay.NewVideoProvider()
+	if err != nil {
+		log.Fatalf("Can't init video: %v", err)
+	}
+	_, err = video.Screens()
+	if err != nil {
+		log.Fatalf("Can't get screens: %v", err)
+	}
+
+	var enc encoders.Service = &encoders.EncoderService{}
+	if err != nil {
+		log.Fatalf("Can't create encoder service: %v", err)
+	}
+
+	var webrtc rtc.Service
+	webrtc = rtc.NewRemoteScreenService(*stunServer, video, enc)
+
+	mux := http.NewServeMux()
+
+	mux.Handle("/api/", http.StripPrefix("/api", api.MakeHandler(webrtc, video)))
+
+	mux.Handle("/static/", http.StripPrefix("/static", http.FileServer(http.Dir("./frontend"))))
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/" {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+		http.ServeFile(w, r, "./frontend/index.html")
+	})
+
+	errors := make(chan error, 2)
+	go func() {
+		log.Printf("Starting signaling server on port %s", *httpPort)
+		errors <- http.ListenAndServe(fmt.Sprintf(":%s", *httpPort), mux)
+	}()
+
+	go func() {
+		interrupt := make(chan os.Signal)
+		signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM)
+		errors <- fmt.Errorf("Received %v signal", <-interrupt)
+	}()
+
+	err = <-errors
+	log.Printf("%s, exiting.", err)
+}