Fix issue 1283 (#1309)

* Fix issue 1283

* Update quic testing configuration

* Add default value for configuration

Author: qwu16

source/agent/conference/conference.js

@@ -1733,10 +1733,12 @@ var Conference = function (rpcClient, selfRpcId) {
       return callback('callback', 'error', 'Target video stream does NOT satisfy:' + requestError.message);
     }
 
-    if (audioTrack) {
+    if (audioTrack && audioTrack.from) {
       streamId = audioTrack.from;
-    } else {
+    } else if (videoTrack && videoTrack.from) {
       streamId = videoTrack.from;
+    } else if (subDesc.data && subDesc.data.from) {
+      streamId = subDesc.data.from;
     }
 
     log.info('subscribe, streamid is:', streamId, 'streams are:', streams, 'casStreams:', casStreams);

source/agent/quic/e2e-test/config/management_api.toml

@@ -5,6 +5,7 @@ ssl = true #if use HTTPS
 port = 3000 #default: 3000, port of server
 numberOfProcess = 4 #default: 1
 enableWebTransport = true #default: false.
+servicename = "sampleService" #service name used to register to cascading cloud for accessing to communicate with this cluster
 #enable_grpc = true
 
 [cluster]

source/management_api/api.js

@@ -119,6 +119,7 @@ var serverConfig = global.config.server || {};
 var cluster = require("cluster");
 var serverPort = serverConfig.port || 3000;
 var numCPUs = serverConfig.numberOfProcess || 1;
+var servicename = serverConfig.servicename || 'sampleService';
 
 var ip_address;
 (function getPublicIP() {
@@ -220,7 +221,7 @@ if (cluster.isMaster) {
         if (err) {
             log.warn('Failed to get service:', err.message);
         } else {
-            var serviceToCloud = sers.filter((t) => {return t.name === serverConfig.servicename;});
+            var serviceToCloud = sers.filter((t) => {return t.name === servicename;});
             log.info('Representing service ', serviceToCloud);
             var key = serviceToCloud[0].key;
             if (serviceToCloud[0].encrypted === true) {