app.js

@@ -1,4 +1,4 @@
-require('dotenv').config()
+require('dotenv').config();
 
 const express = require('express');
 const app = express();
@@ -28,8 +28,8 @@ let worker;
  *  initiatorConsumerVideo: Consumer,
  *  initiatorConsumerAudio: Consumer,
  *  initiatorConsumerTransport: Consumer Transport
- *  initiatorSockerId
- *  receiverSocketId
+ *  initiatorSocket
+ *  receiverSocket
  * }
  *
  **/
@@ -37,7 +37,7 @@ let videoCalls = {};
 let socketDetails = {};
 
 app.get('/', (_req, res) => {
-  res.send('Hello from mediasoup app!')
+  res.send('Hello from mediasoup app!');
 });
 
 app.use('/sfu', express.static(path.join(__dirname, 'public')));
@@ -52,7 +52,7 @@ const httpsServer = https.createServer(options, app);
 
 const io = new Server(httpsServer, {
   allowEIO3: true,
-  origins: ["*:*"]
+  origins: ['*:*'],
 });
 
 httpsServer.listen(process.env.PORT, () => {
@@ -66,19 +66,19 @@ const createWorker = async () => {
     worker = await mediasoup.createWorker({
       rtcMinPort: parseInt(process.env.RTC_MIN_PORT),
       rtcMaxPort: parseInt(process.env.RTC_MAX_PORT),
-    })
+    });
     console.log(`[createWorker] worker pid ${worker.pid}`);
 
-    worker.on('died', error => {
+    worker.on('died', (error) => {
       // This implies something serious happened, so kill the application
       console.error('mediasoup worker has died', error);
       setTimeout(() => process.exit(1), 2000); // exit in 2 seconds
-    })
+    });
     return worker;
   } catch (error) {
-    console.log(`ERROR | createWorker | ${error.message}`);
+    console.error(`[createWorker] | ERROR | error: ${error.message}`);
   }
-}
+};
 
 // We create a Worker as soon as our application starts
 worker = createWorker();
@@ -89,55 +89,51 @@ worker = createWorker();
 // https://github.com/versatica/mediasoup/blob/v3/src/supportedRtpCapabilities.ts
 const mediaCodecs = [
   {
-    kind      : 'audio',
-    mimeType  : 'audio/opus',
-    clockRate : 48000,
-    channels  : 2
+    kind: 'audio',
+    mimeType: 'audio/opus',
+    clockRate: 48000,
+    channels: 2,
   },
   {
-    kind       : 'video',
-    mimeType   : 'video/VP8',
-    clockRate  : 90000,
-    parameters :
-    {
-      'x-google-start-bitrate' : 1000
+    kind: 'video',
+    mimeType: 'video/VP8',
+    clockRate: 90000,
+    parameters: {
+      'x-google-start-bitrate': 1000,
     },
-    channels  : 2
+    channels: 2,
   },
   {
-    kind       : 'video',
-    mimeType   : 'video/VP9',
-    clockRate  : 90000,
-    parameters :
-    {
-      'profile-id'             : 2,
-      'x-google-start-bitrate' : 1000
-    }
+    kind: 'video',
+    mimeType: 'video/VP9',
+    clockRate: 90000,
+    parameters: {
+      'profile-id': 2,
+      'x-google-start-bitrate': 1000,
+    },
   },
   {
-    kind       : 'video',
-    mimeType   : 'video/h264',
-    clockRate  : 90000,
-    parameters :
-    {
-      'packetization-mode'      : 1,
-      'profile-level-id'        : '4d0032',
-      'level-asymmetry-allowed' : 1,
-      'x-google-start-bitrate'  : 1000
-    }
+    kind: 'video',
+    mimeType: 'video/h264',
+    clockRate: 90000,
+    parameters: {
+      'packetization-mode': 1,
+      'profile-level-id': '4d0032',
+      'level-asymmetry-allowed': 1,
+      'x-google-start-bitrate': 1000,
+    },
   },
   {
-    kind       : 'video',
-    mimeType   : 'video/h264',
-    clockRate  : 90000,
-    parameters :
-    {
-      'packetization-mode'      : 1,
-      'profile-level-id'        : '42e01f',
-      'level-asymmetry-allowed' : 1,
-      'x-google-start-bitrate'  : 1000
-    }
-  }
+    kind: 'video',
+    mimeType: 'video/h264',
+    clockRate: 90000,
+    parameters: {
+      'packetization-mode': 1,
+      'profile-level-id': '42e01f',
+      'level-asymmetry-allowed': 1,
+      'x-google-start-bitrate': 1000,
+    },
+  },
 ];
 
 const closeCall = (callId) => {
@@ -152,24 +148,23 @@ const closeCall = (callId) => {
       videoCalls[callId]?.receiverProducerTransport?.close();
       videoCalls[callId]?.router?.close();
       delete videoCalls[callId];
-    } else {
-      console.log(`The call with id ${callId} has already been deleted`);
+      console.log(`[closeCall] | callId: ${callId}`);
     }
   } catch (error) {
-    console.log(`ERROR | closeCall | callid ${callId} | ${error.message}`);
+    console.error(`[closeCall] | ERROR | callId: ${callId} | error: ${error.message}`);
   }
-}
+};
 
 /*
   - Handlers for WS events
   - These are created only when we have a connection with a peer
 */
-peers.on('connection', async socket => {
+peers.on('connection', async (socket) => {
   console.log('[connection] socketId:', socket.id);
 
   // After making the connection successfully, we send the client a 'connection-success' event
   socket.emit('connection-success', {
-    socketId: socket.id
+    socketId: socket.id,
   });
 
   // It is triggered when the peer is disconnected
@@ -192,24 +187,22 @@ peers.on('connection', async socket => {
       if (callId) {
         console.log(`[createRoom] socket.id ${socket.id} callId ${callId}`);
         if (!videoCalls[callId]) {
-          console.log('[createRoom] callId', callId);
-          videoCalls[callId] = { router: await worker.createRouter({ mediaCodecs }) }
-          console.log(`[createRoom] Router ID: ${videoCalls[callId].router.id}`);
-          videoCalls[callId].receiverSocketId = socket.id
+          videoCalls[callId] = { router: await worker.createRouter({ mediaCodecs }) };
+          console.log(`[createRoom] Generate Router ID: ${videoCalls[callId].router.id}`);
+          videoCalls[callId].receiverSocket = socket;
         } else {
-          videoCalls[callId].initiatorSockerId = socket.id
+          videoCalls[callId].initiatorSocket = socket;
         }
         socketDetails[socket.id] = callId;
         // rtpCapabilities is set for callback
-        console.log('[getRtpCapabilities] callId', callId);
         callbackResponse = {
-          rtpCapabilities :videoCalls[callId].router.rtpCapabilities
+          rtpCapabilities: videoCalls[callId].router.rtpCapabilities,
         };
       } else {
-        console.log(`[createRoom] missing callId ${callId}`);
+        console.log(`[createRoom] missing callId: ${callId}`);
       }
     } catch (error) {
-      console.log(`ERROR | createRoom | callId ${callId} | ${error.message}`);
+      console.error(`[createRoom] | ERROR | callId: ${callId} | error: ${error.message}`);
     } finally {
       callback(callbackResponse);
     }
@@ -228,23 +221,27 @@ peers.on('connection', async socket => {
       const callId = socketDetails[socket.id];
       console.log(`[createWebRtcTransport] socket ${socket.id} | sender ${sender} | callId ${callId}`);
       if (sender) {
-        if(!videoCalls[callId].receiverProducerTransport && !isInitiator(callId, socket.id)) {
+        if (!videoCalls[callId].receiverProducerTransport && !isInitiator(callId, socket.id)) {
           videoCalls[callId].receiverProducerTransport = await createWebRtcTransportLayer(callId, callback);
-        } else if(!videoCalls[callId].initiatorProducerTransport && isInitiator(callId, socket.id)) {
+        } else if (!videoCalls[callId].initiatorProducerTransport && isInitiator(callId, socket.id)) {
           videoCalls[callId].initiatorProducerTransport = await createWebRtcTransportLayer(callId, callback);
         } else {
           console.log(`producerTransport has already been defined | callId ${callId}`);
           callback(null);
         }
       } else if (!sender) {
-        if(!videoCalls[callId].receiverConsumerTransport && !isInitiator(callId, socket.id)) {
+        if (!videoCalls[callId].receiverConsumerTransport && !isInitiator(callId, socket.id)) {
           videoCalls[callId].receiverConsumerTransport = await createWebRtcTransportLayer(callId, callback);
-        } else if(!videoCalls[callId].initiatorConsumerTransport && isInitiator(callId, socket.id)) {
+        } else if (!videoCalls[callId].initiatorConsumerTransport && isInitiator(callId, socket.id)) {
           videoCalls[callId].initiatorConsumerTransport = await createWebRtcTransportLayer(callId, callback);
         }
       }
     } catch (error) {
-      console.log(`ERROR | createWebRtcTransport | callId ${socketDetails[socket.id]} | sender ${sender} | ${error.message}`);
+      console.error(
+        `[createWebRtcTransport] | ERROR | callId: ${socketDetails[socket.id]} | sender: ${sender} | error: ${
+          error.message
+        }`
+      );
       callback(error);
     }
   });
@@ -259,13 +256,12 @@ peers.on('connection', async socket => {
       if (typeof dtlsParameters === 'string') dtlsParameters = JSON.parse(dtlsParameters);
 
       console.log(`[transport-connect] socket ${socket.id} | callId ${callId}`);
-      if (!isInitiator(callId, socket.id)) {
-        await videoCalls[callId].receiverProducerTransport.connect({ dtlsParameters });
-      } else {
-        await videoCalls[callId].initiatorProducerTransport.connect({ dtlsParameters });
-      }
+
+      isInitiator(callId, socket.id)
+        ? await videoCalls[callId].initiatorProducerTransport.connect({ dtlsParameters })
+        : await videoCalls[callId].receiverProducerTransport.connect({ dtlsParameters });
     } catch (error) {
-      console.log(`ERROR | transport-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
+      console.error(`[transport-connect] | ERROR | callId: ${socketDetails[socket.id]} | error: ${error.message}`);
     }
   });
 
@@ -279,7 +275,8 @@ peers.on('connection', async socket => {
       const callId = socketDetails[socket.id];
       if (typeof rtpParameters === 'string') rtpParameters = JSON.parse(rtpParameters);
 
-      console.log(`[transport-produce] kind: ${kind} | socket: ${socket.id} | callId: ${callId}`);
+      console.log(`[transport-produce] callId: ${callId} | kind: ${kind} | socket: ${socket.id}`);
+
       if (kind === 'video') {
         if (!isInitiator(callId, socket.id)) {
           videoCalls[callId].receiverVideoProducer = await videoCalls[callId].receiverProducerTransport.produce({
@@ -287,17 +284,15 @@ peers.on('connection', async socket => {
             rtpParameters,
           });
 
-          console.log(`[transport-produce] receiverVideoProducer Producer ID: ${videoCalls[callId].receiverVideoProducer.id} | kind: ${videoCalls[callId].receiverVideoProducer.kind}`);
-
           videoCalls[callId].receiverVideoProducer.on('transportclose', () => {
-            const callId = socketDetails[socket.id];
-            console.log('transport for this producer closed', callId)
+            console.log('transport for this producer closed', callId);
             closeCall(callId);
           });
 
           // Send back to the client the Producer's id
-          callback && callback({
-            id: videoCalls[callId].receiverVideoProducer.id
+          callback &&
+            callback({
+              id: videoCalls[callId].receiverVideoProducer.id,
             });
         } else {
           videoCalls[callId].initiatorVideoProducer = await videoCalls[callId].initiatorProducerTransport.produce({
@@ -305,16 +300,14 @@ peers.on('connection', async socket => {
             rtpParameters,
           });
 
-          console.log(`[transport-produce] initiatorVideoProducer Producer ID: ${videoCalls[callId].initiatorVideoProducer.id} | kind: ${videoCalls[callId].initiatorVideoProducer.kind}`);
-
           videoCalls[callId].initiatorVideoProducer.on('transportclose', () => {
-            const callId = socketDetails[socket.id];
-            console.log('transport for this producer closed', callId)
+            console.log('transport for this producer closed', callId);
             closeCall(callId);
           });
 
-          callback && callback({
-            id: videoCalls[callId].initiatorVideoProducer.id
+          callback &&
+            callback({
+              id: videoCalls[callId].initiatorVideoProducer.id,
             });
         }
       } else if (kind === 'audio') {
@@ -324,17 +317,15 @@ peers.on('connection', async socket => {
             rtpParameters,
           });
 
-          console.log(`[transport-produce] receiverAudioProducer Producer ID: ${videoCalls[callId].receiverAudioProducer.id} | kind: ${videoCalls[callId].receiverAudioProducer.kind}`);
-      
           videoCalls[callId].receiverAudioProducer.on('transportclose', () => {
-            const callId = socketDetails[socket.id];
-            console.log('transport for this producer closed', callId)
+            console.log('transport for this producer closed', callId);
             closeCall(callId);
           });
 
           // Send back to the client the Producer's id
-          callback && callback({
-            id: videoCalls[callId].receiverAudioProducer.id
+          callback &&
+            callback({
+              id: videoCalls[callId].receiverAudioProducer.id,
             });
         } else {
           videoCalls[callId].initiatorAudioProducer = await videoCalls[callId].initiatorProducerTransport.produce({
@@ -342,22 +333,28 @@ peers.on('connection', async socket => {
             rtpParameters,
           });
 
-          console.log(`[transport-produce] initiatorAudioProducer Producer ID: ${videoCalls[callId].initiatorAudioProducer.id} | kind: ${videoCalls[callId].initiatorAudioProducer.kind}`);
-      
           videoCalls[callId].initiatorAudioProducer.on('transportclose', () => {
-            const callId = socketDetails[socket.id];
-            console.log('transport for this producer closed', callId)
+            console.log('transport for this producer closed', callId);
             closeCall(callId);
           });
 
           // Send back to the client the Producer's id
-          callback && callback({
-            id: videoCalls[callId].initiatorAudioProducer.id
+          callback &&
+            callback({
+              id: videoCalls[callId].initiatorAudioProducer.id,
             });
         }
       }
+
+      const socketToEmit = isInitiator(callId, socket.id)
+        ? videoCalls[callId].receiverSocket
+        : videoCalls[callId].initiatorSocket;
+
+      // callId - Id of the call
+      // kind - producer type: audio/video
+      socketToEmit?.emit('new-producer', { callId, kind });
     } catch (error) {
-      console.log(`ERROR | transport-produce | callId ${socketDetails[socket.id]} | ${error.message}`);
+      console.error(`[transport-produce] | ERROR | callId: ${socketDetails[socket.id]} | error: ${error.message}`);
     }
   });
 
@@ -369,16 +366,17 @@ peers.on('connection', async socket => {
     try {
       const callId = socketDetails[socket.id];
       console.log(`[transport-recv-connect] socket ${socket.id} | callId ${callId}`);
+      if (typeof dtlsParameters === 'string') dtlsParameters = JSON.parse(dtlsParameters);
       // await videoCalls[callId].consumerTransport.connect({ dtlsParameters });
-      if(!isInitiator(callId, socket.id)) {
+      if (!isInitiator(callId, socket.id)) {
         await videoCalls[callId].receiverConsumerTransport.connect({ dtlsParameters });
-      } else if(isInitiator(callId, socket.id)) {
+      } else if (isInitiator(callId, socket.id)) {
         await videoCalls[callId].initiatorConsumerTransport.connect({ dtlsParameters });
       }
     } catch (error) {
-      console.log(`ERROR | transport-recv-connect | callId ${socketDetails[socket.id]} | ${error.message}`);
+      console.error(`[transport-recv-connect] | ERROR | callId: ${socketDetails[socket.id]} | error: ${error.message}`);
     }
-  })
+  });
 
   /*
     - The customer consumes after successfully connecting to consumerTransport
@@ -388,197 +386,156 @@ peers.on('connection', async socket => {
       - The consumer does consumerTransport.consume(params)
   */
   socket.on('consume', async ({ rtpCapabilities }, callback) => {
-    try {
     const callId = socketDetails[socket.id];
-      console.log(`[consume] socket ${socket.id} | callId ${callId} | rtpCapabilities: ${JSON.stringify(rtpCapabilities)}`);
+    const socketId = socket.id;
 
-      console.log('[consume] callId', callId);
-      let canConsumeVideo, canConsumeAudio;
-      if (isInitiator(callId, socket.id)) {
-        canConsumeVideo = !!videoCalls[callId].receiverVideoProducer && !!videoCalls[callId].router.canConsume({
-          producerId: videoCalls[callId].receiverVideoProducer.id,
-          rtpCapabilities
-        });
-        canConsumeAudio = !!videoCalls[callId].receiverAudioProducer && !!videoCalls[callId].router.canConsume({
-          producerId: videoCalls[callId].receiverAudioProducer.id,
-          rtpCapabilities
-        });
+    console.log(`[consume] socket ${socketId} | callId: ${callId}`);
 
-      } else {
-        canConsumeVideo = !!videoCalls[callId].initiatorVideoProducer && !!videoCalls[callId].router.canConsume({
-          producerId: videoCalls[callId].initiatorVideoProducer.id,
-          rtpCapabilities
-        });
+    if (typeof rtpCapabilities === 'string') rtpCapabilities = JSON.parse(rtpCapabilities);
 
-        canConsumeAudio = !!videoCalls[callId].initiatorAudioProducer && !!videoCalls[callId].router.canConsume({
-          producerId: videoCalls[callId].initiatorAudioProducer.id,
-          rtpCapabilities
+    callback({
+      videoParams: await consumeVideo({ callId, socketId, rtpCapabilities }),
+      audioParams: await consumeAudio({ callId, socketId, rtpCapabilities }),
     });
-      }
-      console.log('[consume] canConsumeVideo', canConsumeVideo);
-      console.log('[consume] canConsumeAudio', canConsumeAudio);
-
-      if (canConsumeVideo && !canConsumeAudio) {
-        const videoParams = await consumeVideo(callId, socket.id, rtpCapabilities)
-        callback({ videoParams, audioParams: null });
-      } else if (canConsumeVideo && canConsumeAudio) {
-        const videoParams = await consumeVideo(callId, socket.id, rtpCapabilities)
-        const audioParams = await consumeAudio(callId, socket.id, rtpCapabilities)
-        callback({ videoParams, audioParams });
-      } else if (!canConsumeVideo && canConsumeAudio) {
-        const audioParams = await consumeAudio(callId, socket.id, rtpCapabilities)
-        const data = { videoParams: null, audioParams };
-        callback(data);
-      } else {
-        console.log(`[consume] Can't consume | callId ${callId}`);
-        callback(null);
-      }
-    } catch (error) {
-      console.log(`ERROR | consume | callId ${socketDetails[socket.id]} | ${error.message}`)
-      callback({ params: { error } });
-    }
   });
 
   /*
     - Event sent by the consumer after consuming to resume the pause
     - When consuming on consumerTransport, it is initially done with paused: true, here we will resume
+    - For the initiator we resume the initiatorConsumerAUDIO/VIDEO and for receiver the receiverConsumerAUDIO/VIDEO
   */
-  socket.on('consumer-resume', async () => {
+  socket.on('consumer-resume', () => {
     try {
       const callId = socketDetails[socket.id];
-      console.log(`[consumer-resume] callId ${callId}`)
+      const isInitiatorValue = isInitiator(callId, socket.id);
+      console.log(`[consumer-resume] callId: ${callId} | isInitiator: ${isInitiatorValue}`);
 
+      const consumerVideo = isInitiatorValue
+        ? videoCalls[callId].initiatorConsumerVideo
+        : videoCalls[callId].receiverConsumerVideo;
+
+      const consumerAudio = isInitiatorValue
+        ? videoCalls[callId].initiatorConsumerAudio
+        : videoCalls[callId].receiverConsumerAudio;
+
+      consumerVideo?.resume();
+      consumerAudio?.resume();
+    } catch (error) {
+      console.error(
+        `[consumer-resume] | ERROR | callId: ${socketDetails[socket.id]} | isInitiator: ${isInitiator} | error: ${
+          error.message
+        }`
+      );
+    }
+  });
+
+  socket.on('close-producer', ({ callId, kind }) => {
+    try {
       if (isInitiator(callId, socket.id)) {
-        console.log(`[consumer-resume] isInitiator true`);
-        await videoCalls[callId].initiatorConsumerVideo.resume();
-        await videoCalls[callId].initiatorConsumerAudio.resume();
+        console.log(`[close-producer] initiator --EMIT--> receiver | callId: ${callId} | kind: ${kind}`);
+        videoCalls[callId].receiverSocket.emit('close-producer', { callId, kind });
       } else {
-        console.log(`[consumer-resume] isInitiator false`);
-        (videoCalls[callId].receiverConsumerVideo) && await videoCalls[callId].receiverConsumerVideo.resume();
-        (videoCalls[callId].receiverConsumerVideo) && await videoCalls[callId].receiverConsumerAudio.resume();
+        console.log(`[close-producer] receiver --EMIT--> initiator | callId: ${callId} | kind: ${kind}`);
+        videoCalls[callId].initiatorSocket.emit('close-producer', { callId, kind });
       }
     } catch (error) {
-      console.log(`ERROR | consumer-resume | callId ${socketDetails[socket.id]} | ${error.message}`);
+      console.error(`[close-producer] | ERROR | callId: ${socketDetails[socket.id]} | error: ${error.message}`);
     }
   });
 });
 
-const consumeVideo = async (callId, socketId, rtpCapabilities) => {
+const canConsume = ({ callId, producerId, rtpCapabilities }) => {
+  return !!videoCalls[callId].router.canConsume({
+    producerId,
+    rtpCapabilities,
+  });
+};
+
+const consumeVideo = async ({ callId, socketId, rtpCapabilities }) => {
+  // Handlers for consumer transport https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
+  if (isInitiator(callId, socketId) && videoCalls[callId].receiverVideoProducer) {
+    const producerId = videoCalls[callId].receiverVideoProducer.id;
+    if (!canConsume({ callId, producerId, rtpCapabilities })) return null;
 
-  if(isInitiator(callId, socketId)) {
     videoCalls[callId].initiatorConsumerVideo = await videoCalls[callId].initiatorConsumerTransport.consume({
-      producerId: videoCalls[callId].receiverVideoProducer.id,
+      producerId,
       rtpCapabilities,
       paused: true,
     });
 
-    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
-    videoCalls[callId].initiatorConsumerVideo.on('transportclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('transport close from consumer', callId);
-      closeCall(callId);
-    });
-
-    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
-    videoCalls[callId].initiatorConsumerVideo.on('producerclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('producer of consumer closed', callId);
-      closeCall(callId);
-    });
-
     return {
       id: videoCalls[callId].initiatorConsumerVideo.id,
-      producerId: videoCalls[callId].receiverVideoProducer.id,
+      producerId,
       kind: 'video',
       rtpParameters: videoCalls[callId].initiatorConsumerVideo.rtpParameters,
-    }
-  } else {
+    };
+  } else if (videoCalls[callId].initiatorVideoProducer) {
+    const producerId = videoCalls[callId].initiatorVideoProducer.id;
+    if (!canConsume({ callId, producerId, rtpCapabilities })) return null;
+
     videoCalls[callId].receiverConsumerVideo = await videoCalls[callId].receiverConsumerTransport.consume({
-      producerId: videoCalls[callId].initiatorVideoProducer.id,
+      producerId,
       rtpCapabilities,
       paused: true,
     });
 
-    videoCalls[callId].receiverConsumerVideo.on('transportclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('transport close from consumer', callId);
-      closeCall(callId);
-    });
-
-    videoCalls[callId].receiverConsumerVideo.on('producerclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('producer of consumer closed', callId);
-      closeCall(callId);
-    });
-
     return {
       id: videoCalls[callId].receiverConsumerVideo.id,
-      producerId: videoCalls[callId].initiatorVideoProducer.id,
+      producerId,
       kind: 'video',
       rtpParameters: videoCalls[callId].receiverConsumerVideo.rtpParameters,
+    };
+  } else {
+    return null;
   }
-  }
-}
+};
+
+const consumeAudio = async ({ callId, socketId, rtpCapabilities }) => {
+  try {
+    // Handlers for consumer transport https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
+    if (isInitiator(callId, socketId) && videoCalls[callId].receiverAudioProducer) {
+      const producerId = videoCalls[callId].receiverAudioProducer.id;
+      if (!canConsume({ callId, producerId, rtpCapabilities })) return null;
 
-const consumeAudio = async (callId, socketId, rtpCapabilities) => {
-  if(isInitiator(callId, socketId)) {
       videoCalls[callId].initiatorConsumerAudio = await videoCalls[callId].initiatorConsumerTransport.consume({
-      producerId: videoCalls[callId].receiverAudioProducer.id,
+        producerId,
         rtpCapabilities,
         paused: true,
       });
 
-    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-transportclose
-    videoCalls[callId].initiatorConsumerAudio.on('transportclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('transport close from consumer', callId);
-      closeCall(callId);
-    });
-
-    // https://mediasoup.org/documentation/v3/mediasoup/api/#consumer-on-producerclose
-    videoCalls[callId].initiatorConsumerAudio.on('producerclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('producer of consumer closed', callId);
-      closeCall(callId);
-    });
-
       return {
         id: videoCalls[callId].initiatorConsumerAudio.id,
-      producerId: videoCalls[callId].receiverAudioProducer.id,
+        producerId,
         kind: 'audio',
         rtpParameters: videoCalls[callId].initiatorConsumerAudio.rtpParameters,
-    }
-  } else {
+      };
+    } else if (videoCalls[callId].initiatorAudioProducer) {
+      const producerId = videoCalls[callId].initiatorAudioProducer.id;
+      if (!canConsume({ callId, producerId, rtpCapabilities })) return null;
+
       videoCalls[callId].receiverConsumerAudio = await videoCalls[callId].receiverConsumerTransport.consume({
-      producerId: videoCalls[callId].initiatorAudioProducer.id,
+        producerId,
         rtpCapabilities,
         paused: true,
       });
 
-    videoCalls[callId].receiverConsumerAudio.on('transportclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('transport close from consumer', callId);
-      closeCall(callId);
-    });
-
-    videoCalls[callId].receiverConsumerAudio.on('producerclose', () => {
-      const callId = socketDetails[socket.id];
-      console.log('producer of consumer closed', callId);
-      closeCall(callId);
-    });
-
       return {
         id: videoCalls[callId].receiverConsumerAudio.id,
-      producerId: videoCalls[callId].initiatorAudioProducer.id,
+        producerId,
         kind: 'audio',
         rtpParameters: videoCalls[callId].receiverConsumerAudio.rtpParameters,
+      };
+    } else {
+      return null;
     }
+  } catch (error) {
+    console.error(`[consumeAudio] | ERROR | error: ${error}`);
   }
-}
+};
 
 const isInitiator = (callId, socketId) => {
-  return (videoCalls[callId].initiatorSockerId === socketId);
-}
+  return videoCalls[callId]?.initiatorSocket?.id === socketId;
+};
 
 /*
   - Called from at event 'createWebRtcTransport' and assigned to the consumer or producer transport
@@ -589,14 +546,14 @@ const isInitiator = (callId, socketId) => {
 */
 const createWebRtcTransportLayer = async (callId, callback) => {
   try {
-    console.log('[createWebRtcTransportLayer] callId', callId);
+    console.log(`[createWebRtcTransportLayer] callId: ${callId}`);
     // https://mediasoup.org/documentation/v3/mediasoup/api/#WebRtcTransportOptions
     const webRtcTransport_options = {
       listenIps: [
         {
           ip: process.env.IP, // Listening IPv4 or IPv6.
           announcedIp: process.env.ANNOUNCED_IP, // Announced IPv4 or IPv6 (useful when running mediasoup behind NAT with private IP).
-        }
+        },
       ],
       enableUdp: true,
       enableTcp: true,
@@ -604,11 +561,10 @@ const createWebRtcTransportLayer = async (callId, callback) => {
     };
 
     // https://mediasoup.org/documentation/v3/mediasoup/api/#router-createWebRtcTransport
-    let transport = await videoCalls[callId].router.createWebRtcTransport(webRtcTransport_options)
-    console.log(`callId: ${callId} | transport id: ${transport.id}`)
+    let transport = await videoCalls[callId].router.createWebRtcTransport(webRtcTransport_options);
 
     // Handler for when DTLS(Datagram Transport Layer Security) changes
-    transport.on('dtlsstatechange', dtlsState => {
+    transport.on('dtlsstatechange', (dtlsState) => {
       console.log(`transport | dtlsstatechange | calldId ${callId} | dtlsState ${dtlsState}`);
       if (dtlsState === 'closed') {
         transport.close();
@@ -627,15 +583,15 @@ const createWebRtcTransportLayer = async (callId, callback) => {
       dtlsParameters: transport.dtlsParameters,
     };
 
-    console.log('[createWebRtcTransportLayer] callback params', params);
     // Send back to the client the params
     callback({ params });
 
     // Set transport to producerTransport or consumerTransport
     return transport;
-
   } catch (error) {
-    console.log(`ERROR | createWebRtcTransportLayer | callId ${socketDetails[socket.id]} | ${error.message}`);
+    console.error(
+      `[createWebRtcTransportLayer] | ERROR | callId: ${socketDetails[socket.id]} | error: ${error.message}`
+    );
     callback({ params: { error } });
   }
-}
+};

build.sh

@@ -9,14 +9,21 @@ else
   ## CLEANUP
   rm -fr dist/*
 fi
+
+if [ -d "node_modules" ]; then
+  rm -fr node_modules
+fi
+
 # Install dependencies
 #npm install
 
 ## PROJECT NEEDS
 echo "Building app... from $(git rev-parse --abbrev-ref HEAD)"
 #npm run-script build
-cp -r {.env,app.js,package.json,server,public} dist/
-
+cp -r {.env,app.js,package.json,server,public,doc,Dockerfile} dist/
+#cp -r ./* dist/
+dateString=$(date +"%Y%m%d-%H%M%S")
+git log --pretty=format:"%ad%x09%an%x09%s" --no-merges -20 > "dist/git--$dateString.log"
 #Add version control for pm2
 cd dist
 #Add version control for pm2

public/bundle.js

@@ -20353,7 +20353,7 @@ module.exports = yeast;
 },{}],94:[function(require,module,exports){
 module.exports = {
   hubAddress: 'https://hub.dev.linx.safemobile.com/',
-  mediasoupAddress: 'https://testing.video.safemobile.org',
+  mediasoupAddress: 'https://testing.video.safemobile.org/',
 }
 },{}],95:[function(require,module,exports){
 const io = require('socket.io-client')
@@ -20449,10 +20449,23 @@ setTimeout(() => {
       console.log(`[MEDIA] ${config.mediasoupAddress} | connected: ${socket.connected} | existsProducer: ${existsProducer}`)
       if (!IS_PRODUCER && existsProducer && consumer === undefined) { 
         goConnect()
-        // document.getElementById('btnRecvSendTransport').click();
       }
       if (IS_PRODUCER && urlParams.get('testing') === 'true') { getLocalStream() }
     })
+
+    socket.on('new-producer', ({ callId, kind }) => {
+      console.log(`🟢 new-producer | callId: ${callId} | kind: ${kind} | Ready to consume`);
+      connectRecvTransport();
+    })
+
+    socket.on('close-producer', ({ callId, kind }) => {
+      console.log(`🔴 close-producer | callId: ${callId} | kind: ${kind}`);
+      if (kind === 'video') {
+        consumerVideo.close()
+        remoteVideo.srcObject = null
+      }
+      else if (kind === 'audio') consumerAudio.close()
+    })
   }
   
   if (IS_PRODUCER === true) {
@@ -20731,6 +20744,8 @@ const connectSendTransport = async () => {
   // Enable Close call button
   const closeCallBtn = document.getElementById('btnCloseCall');
   closeCallBtn.removeAttribute('disabled');
+
+  createRecvTransport();
 }
 
 const createRecvTransport = async () => {
@@ -20770,7 +20785,8 @@ const createRecvTransport = async () => {
         errback(error)
       }
     })
-    connectRecvTransport()
+    // We call it in new-rpoducer, we don't need it here anymore
+    // connectRecvTransport()
   })
 }
 
@@ -20826,7 +20842,7 @@ const connectRecvTransport = async () => {
       console.log('remoteVideo PLAY')
     })
     .catch((error) => {
-      displayError(`remoteVideo PLAY ERROR | ${error.message}`)
+      console.error(`remoteVideo PLAY ERROR | ${error.message}`)
     })
   })
 }
@@ -20839,10 +20855,6 @@ const getVideoTrask = async (videoParams) => {
     rtpParameters: videoParams.rtpParameters
   }) 
 
-  consumerVideo.on('transportclose', () => {
-    console.log('transport closed so consumer closed')
-  })
-
   return consumerVideo.track
 }
 
@@ -20903,31 +20915,31 @@ const closeCall = () => {
   resetCallSettings()
 }
 
-const consume = async () => {
-  console.log('[consume]')
-  console.log('createRecvTransport Consumer')
-  await socket.emit('createWebRtcTransport', { sender: false, callId, dispatcher: true }, ({ params }) => {
-    if (params.error) {
-      console.log('createRecvTransport | createWebRtcTransport | Error', params.error)
-      return
-    }
-    consumerTransport = device.createRecvTransport(params)
-    consumerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
-      try {
-        await socket.emit('transport-recv-connect', {
-          dtlsParameters,
-        })
-        callback()
-      } catch (error) {
-        errback(error)
-      }
-    })
+// const consume = async (kind) => {
+//   console.log(`[consume] kind: ${kind}`)
+//   console.log('createRecvTransport Consumer')
+//   await socket.emit('createWebRtcTransport', { sender: false, callId, dispatcher: true }, ({ params }) => {
+//     if (params.error) {
+//       console.log('createRecvTransport | createWebRtcTransport | Error', params.error)
+//       return
+//     }
+//     consumerTransport = device.createRecvTransport(params)
+//     consumerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
+//       try {
+//         await socket.emit('transport-recv-connect', {
+//           dtlsParameters,
+//         })
+//         callback()
+//       } catch (error) {
+//         errback(error)
+//       }
+//     })
     
-    connectRecvTransport()
-  })
-}
+//     connectRecvTransport()
+//   })
+// }
 
 btnLocalVideo.addEventListener('click', getLocalStream)
-btnRecvSendTransport.addEventListener('click', consume)
+// btnRecvSendTransport.addEventListener('click', consume)
 btnCloseCall.addEventListener('click', closeCall)
 },{"./config":94,"mediasoup-client":66,"socket.io-client":82}]},{},[95]);

public/config.js

@@ -1,4 +1,4 @@
 module.exports = {
   hubAddress: 'https://hub.dev.linx.safemobile.com/',
-  mediasoupAddress: 'https://testing.video.safemobile.org',
+  mediasoupAddress: 'https://testing.video.safemobile.org/',
 }

public/index.html

@@ -75,7 +75,7 @@
                         </td>
                         <td>
                             <div id="sharedBtns">
-                                <button id="btnRecvSendTransport">Consume</button>
+                                <!-- <button id="btnRecvSendTransport">Consume</button> -->
                                 <button id="remoteSoundControl">Unmute</button>
                             </div>
                         </td>

public/index.js

@@ -91,10 +91,23 @@ setTimeout(() => {
       console.log(`[MEDIA] ${config.mediasoupAddress} | connected: ${socket.connected} | existsProducer: ${existsProducer}`)
       if (!IS_PRODUCER && existsProducer && consumer === undefined) { 
         goConnect()
-        // document.getElementById('btnRecvSendTransport').click();
       }
       if (IS_PRODUCER && urlParams.get('testing') === 'true') { getLocalStream() }
     })
+
+    socket.on('new-producer', ({ callId, kind }) => {
+      console.log(`🟢 new-producer | callId: ${callId} | kind: ${kind} | Ready to consume`);
+      connectRecvTransport();
+    })
+
+    socket.on('close-producer', ({ callId, kind }) => {
+      console.log(`🔴 close-producer | callId: ${callId} | kind: ${kind}`);
+      if (kind === 'video') {
+        consumerVideo.close()
+        remoteVideo.srcObject = null
+      }
+      else if (kind === 'audio') consumerAudio.close()
+    })
   }
   
   if (IS_PRODUCER === true) {
@@ -373,6 +386,8 @@ const connectSendTransport = async () => {
   // Enable Close call button
   const closeCallBtn = document.getElementById('btnCloseCall');
   closeCallBtn.removeAttribute('disabled');
+
+  createRecvTransport();
 }
 
 const createRecvTransport = async () => {
@@ -412,7 +427,8 @@ const createRecvTransport = async () => {
         errback(error)
       }
     })
-    connectRecvTransport()
+    // We call it in new-rpoducer, we don't need it here anymore
+    // connectRecvTransport()
   })
 }
 
@@ -468,7 +484,7 @@ const connectRecvTransport = async () => {
       console.log('remoteVideo PLAY')
     })
     .catch((error) => {
-      displayError(`remoteVideo PLAY ERROR | ${error.message}`)
+      console.error(`remoteVideo PLAY ERROR | ${error.message}`)
     })
   })
 }
@@ -481,10 +497,6 @@ const getVideoTrask = async (videoParams) => {
     rtpParameters: videoParams.rtpParameters
   }) 
 
-  consumerVideo.on('transportclose', () => {
-    console.log('transport closed so consumer closed')
-  })
-
   return consumerVideo.track
 }
 
@@ -545,30 +557,30 @@ const closeCall = () => {
   resetCallSettings()
 }
 
-const consume = async () => {
-  console.log('[consume]')
-  console.log('createRecvTransport Consumer')
-  await socket.emit('createWebRtcTransport', { sender: false, callId, dispatcher: true }, ({ params }) => {
-    if (params.error) {
-      console.log('createRecvTransport | createWebRtcTransport | Error', params.error)
-      return
-    }
-    consumerTransport = device.createRecvTransport(params)
-    consumerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
-      try {
-        await socket.emit('transport-recv-connect', {
-          dtlsParameters,
-        })
-        callback()
-      } catch (error) {
-        errback(error)
-      }
-    })
+// const consume = async (kind) => {
+//   console.log(`[consume] kind: ${kind}`)
+//   console.log('createRecvTransport Consumer')
+//   await socket.emit('createWebRtcTransport', { sender: false, callId, dispatcher: true }, ({ params }) => {
+//     if (params.error) {
+//       console.log('createRecvTransport | createWebRtcTransport | Error', params.error)
+//       return
+//     }
+//     consumerTransport = device.createRecvTransport(params)
+//     consumerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
+//       try {
+//         await socket.emit('transport-recv-connect', {
+//           dtlsParameters,
+//         })
+//         callback()
+//       } catch (error) {
+//         errback(error)
+//       }
+//     })
     
-    connectRecvTransport()
-  })
-}
+//     connectRecvTransport()
+//   })
+// }
 
 btnLocalVideo.addEventListener('click', getLocalStream)
-btnRecvSendTransport.addEventListener('click', consume)
+// btnRecvSendTransport.addEventListener('click', consume)
 btnCloseCall.addEventListener('click', closeCall)