Use messaging in web package

web/handler.go

@@ -13,14 +13,12 @@ import (
 
 	"github.com/markbates/pkger"
 	"gitlab.crans.org/nounous/ghostream/internal/monitoring"
-	"gitlab.crans.org/nounous/ghostream/stream/srt"
-	"gitlab.crans.org/nounous/ghostream/stream/telnet"
 	"gitlab.crans.org/nounous/ghostream/stream/webrtc"
 )
 
 var (
 	// Precompile regex
-	validPath = regexp.MustCompile("^/[a-z0-9_-]*$")
+	validPath = regexp.MustCompile("^/[a-z0-9@_-]*$")
 )
 
 // Handle WebRTC session description exchange via POST
@@ -152,14 +150,19 @@ func staticHandler() http.Handler {
 }
 
 func statisticsHandler(w http.ResponseWriter, r *http.Request) {
-	// Display connected users stats, from WebRTC or streaming directly from a video player
+	name := strings.Replace(r.URL.Path[7:], "/", "", -1)
-	streamID := strings.Replace(r.URL.Path[7:], "/", "", -1)
+	userCount := 0
+
+	// Get requested stream
+	stream, ok := streams[name]
+	if ok {
+		// Get number of output channels
+		userCount = stream.Count()
+	}
+
+	// Display connected users statistics
 	enc := json.NewEncoder(w)
-	err := enc.Encode(struct {
+	err := enc.Encode(struct{ ConnectedViewers int }{userCount})
-		ConnectedViewers int
-	}{webrtc.GetNumberConnectedSessions(streamID) +
-		srt.GetNumberConnectedSessions(streamID) +
-		telnet.GetNumberConnectedSessions(streamID)})
 	if err != nil {
 		http.Error(w, "Failed to generate JSON.", http.StatusInternalServerError)
 		log.Printf("Failed to generate JSON: %s", err)

web/web.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/markbates/pkger"
 	"github.com/pion/webrtc/v3"
+	"gitlab.crans.org/nounous/ghostream/stream"
 )
 
 // Options holds web package configuration
@@ -41,6 +42,9 @@ var (
 
 	// Preload templates
 	templates *template.Template
+
+	// Streams to get statistics
+	streams map[string]stream.Stream
 )
 
 // Load templates with pkger
@@ -74,10 +78,11 @@ func loadTemplates() error {
 }
 
 // Serve HTTP server
-func Serve(rSdpChan chan struct {
+func Serve(s map[string]stream.Stream, rSdpChan chan struct {
 	StreamID          string
 	RemoteDescription webrtc.SessionDescription
 }, lSdpChan chan webrtc.SessionDescription, c *Options) {
+	streams = s
 	remoteSdpChan = rSdpChan
 	localSdpChan = lSdpChan
 	cfg = c

web/web_test.go

@@ -4,11 +4,17 @@ import (
 	"net/http"
 	"testing"
 	"time"
+
+	"gitlab.crans.org/nounous/ghostream/stream"
 )
 
 // TestHTTPServe tries to serve a real HTTP server and load some pages
 func TestHTTPServe(t *testing.T) {
-	go Serve(nil, nil, &Options{Enabled: false, ListenAddress: "127.0.0.1:8081"})
+	// Init streams messaging
+	streams := make(map[string]stream.Stream)
+
+	// Create a disabled web server
+	go Serve(streams, nil, nil, &Options{Enabled: false, ListenAddress: "127.0.0.1:8081"})
 
 	// Sleep 500ms to ensure that the web server is running, to avoid fails because the request came too early
 	time.Sleep(500 * time.Millisecond)
@@ -20,7 +26,7 @@ func TestHTTPServe(t *testing.T) {
 	}
 
 	// Now let's really start the web server
-	go Serve(nil, nil, &Options{Enabled: true, ListenAddress: "127.0.0.1:8081"})
+	go Serve(streams, nil, nil, &Options{Enabled: true, ListenAddress: "127.0.0.1:8081"})
 
 	// Sleep 500ms to ensure that the web server is running, to avoid fails because the request came too early
 	time.Sleep(500 * time.Millisecond)
@@ -52,7 +58,7 @@ func TestHTTPServe(t *testing.T) {
 		t.Errorf("Viewer page returned %v != %v on GET", resp.StatusCode, http.StatusOK)
 	}
 
-	// Test viewer statistic endpoint
+	// Test viewer statistics endpoint
 	resp, err = http.Get("http://localhost:8081/_stats/demo/")
 	if err != nil {
 		t.Errorf("Error while getting /_stats: %s", err)