public void teardown()
{
if (client != null)
{
client.disconnect();
client = null;
}
if (player != null)
{
if (player.engine != null)
{
player.engine.destroy();
player.engine = null;
}
player = null;
}
}
public SympleRoster(SympleClient client) : base()
{
this.client = client;
}
public void initAndStartWebRTC()
{
#if NETFX_CORE
JObject CLIENT_OPTIONS = new JObject();
CLIENT_OPTIONS["secure"] = true;
CLIENT_OPTIONS["url"] = this.SignallingServerUrl;
CLIENT_OPTIONS["peer"] = new JObject();
CLIENT_OPTIONS["peer"]["user"] = this.LocalPeerUsername;
CLIENT_OPTIONS["peer"]["name"] = this.LocalPeerNameLabel;
CLIENT_OPTIONS["peer"]["group"] = this.LocalPeerGroup;
SymplePlayerOptions playerOptions = new SymplePlayerOptions();
playerOptions.userMediaConstraints.audioEnabled = this.AudioEnabled;
playerOptions.userMediaConstraints.videoEnabled = this.VideoEnabled;
playerOptions.CoreDispatcher = CoreDispatcher;
playerOptions.engine = "WebRTC";
switch (UserType)
{
case StarUserType.TRAINEE:
playerOptions.initiator = true;
break;
case StarUserType.MENTOR:
playerOptions.initiator = false;
break;
default:
break;
}
// WebRTC config
// This is where you would add TURN servers for use in production
RTCConfiguration WEBRTC_CONFIG = new RTCConfiguration
{
IceServers = new List <RTCIceServer> {
new RTCIceServer {
Url = "stun:stun.l.google.com:19302", Username = string.Empty, Credential = string.Empty
},
new RTCIceServer {
Url = "stun:stun1.l.google.com:19302", Username = string.Empty, Credential = string.Empty
},
new RTCIceServer {
Url = "stun:stun2.l.google.com:19302", Username = string.Empty, Credential = string.Empty
},
new RTCIceServer {
Url = "stun:stun3.l.google.com:19302", Username = string.Empty, Credential = string.Empty
},
new RTCIceServer {
Url = "stun:stun4.l.google.com:19302", Username = string.Empty, Credential = string.Empty
},
new RTCIceServer {
Url = "turn:numb.viagenie.ca", Username = "******", Credential = "0O@S&YfP$@56"
}
}
};
playerOptions.rtcConfig = WEBRTC_CONFIG;
//playerOptions.iceMediaConstraints = asdf; // TODO: not using iceMediaConstraints in latest code?
playerOptions.onStateChange = (player, state, message) =>
{
player.displayStatus(state);
};
Messenger.Broadcast(SympleLog.LogTrace, "creating player");
player = new SymplePlayer(playerOptions);
Messenger.Broadcast(SympleLog.LogTrace, "creating client");
client = new SympleClient(CLIENT_OPTIONS);
client.on("announce", (peer) => {
Messenger.Broadcast(SympleLog.LogInfo, "Authentication success: " + peer);
});
client.on("addPeer", (peerObj) =>
{
JObject peer = (JObject)peerObj;
Messenger.Broadcast(SympleLog.LogInfo, "adding peer: " + peer);
if (peer["user"] != null)
{
string peerUsername = (string)peer["user"];
Messenger.Broadcast(SympleLog.PeerAdded, peerUsername);
}
if (this.UserType == StarUserType.TRAINEE)
{
// the TRAINEE user waits for a peer with a specific username, then once it's connected it automatically starts sending video
if ((string)peer["user"] == this.ExpectedRemoteVideoReceiverUsername && !videoPeerInitialized)
{
videoPeerInitialized = true;
remoteVideoPeer = peer;
startPlaybackAndRecording();
}
}
if (this.UserType == StarUserType.MENTOR)
{
// once the MENTOR user sees that the ANNOTATION_RECEIVER user has connected, the MENTOR user keeps track of that peer in order to send annotation messages to it.
if ((string)peer["user"] == this.ExpectedRemoteAnnotationReceiverUsername && !annotationPeerInitialized)
{
annotationPeerInitialized = true;
remoteAnnotationPeer = peer;
Messenger.Broadcast(SympleLog.RemoteAnnotationReceiverConnected);
// TODO: we could add code here to automatically send any annotation commands that were kept on a queue, so that if the HoloLens drops out and comes back, it can get all the annotations made by the mentor.
}
}
});
client.on("presence", (presence) =>
{
Messenger.Broadcast(SympleLog.LogDebug, "Recv presence: " + presence);
});
client.on("removePeer", (peerObj) =>
{
try
{
JObject peer = (JObject)peerObj;
Messenger.Broadcast(SympleLog.LogInfo, "Removing peer: " + peer);
if (peer != null)
{
if (peer["user"] != null)
{
string peerUsername = (string)peer["user"];
Messenger.Broadcast(SympleLog.PeerRemoved, peerUsername);
}
if (remoteVideoPeer != null && remoteVideoPeer["id"].Equals(peer["id"]))
{
Messenger.Broadcast(SympleLog.LogInfo, "Removing remote video peer");
videoPeerInitialized = false;
remoteVideoPeer = null;
if (player.engine != null)
{
player.engine.destroy();
player.engine = null;
}
}
/*
* if (remoteAnnotationPeer != null && remoteAnnotationPeer["id"].Equals(peer["id"]))
* {
* Messenger.Broadcast(SympleLog.LogInfo, "Removing remote annotation peer");
* annotationPeerInitialized = false;
* remoteAnnotationPeer = null;
*
* Messenger.Broadcast(SympleLog.RemoteAnnotationReceiverDisconnected);
*
* // TODO: we could do some caching of annotation commands locally, in case the peer is reconnecting later in the future.
* }
*/
}
}
catch (Exception e)
{
Messenger.Broadcast(SympleLog.LogInfo, "caught exception: " + e.Message);
}
});
client.on("message", (mObj) =>
{
Messenger.Broadcast(SympleLog.LogTrace, "mObj.GetType().ToString(): " + mObj.GetType().ToString());
JObject m = (JObject)((Object[])mObj)[0];
var mFrom = m["from"];
JToken mFromId = null;
if (mFrom.Type == JTokenType.Object)
{
mFromId = mFrom["id"];
}
/*
* if (remotePeer != null && !remotePeer["id"].Equals(mFromId))
* {
* Messenger.Broadcast(SympleLog.LogDebug, "Dropping message from unknown peer: " + m);
* return;
* }
*/
if (m["offer"] != null)
{
switch (UserType)
{
case StarUserType.TRAINEE:
Messenger.Broadcast(SympleLog.LogDebug, "Unexpected offer for one-way streaming");
break;
case StarUserType.MENTOR:
Messenger.Broadcast(SympleLog.LogDebug, "Receive offer: " + m["offer"]);
remoteVideoPeer = (JObject)m["from"];
JObject playParams = new JObject();
// don't set requestedWebRtcCameraIndex here, because that's only for when sending video... instead we want to render whatever video we receive
player.play(playParams);
var engine = (SymplePlayerEngineWebRTC)player.engine;
engine.recvRemoteSDP((JObject)m["offer"]);
engine.sendLocalSDP = (desc) =>
{
Messenger.Broadcast(SympleLog.LogDebug, "Send answer: " + desc);
JObject sessionDesc = new JObject();
sessionDesc["sdp"] = desc.Sdp;
if (desc.Type == Org.WebRtc.RTCSdpType.Answer)
{
sessionDesc["type"] = "answer";
}
else if (desc.Type == Org.WebRtc.RTCSdpType.Offer)
{
sessionDesc["type"] = "offer";
}
else if (desc.Type == Org.WebRtc.RTCSdpType.Pranswer)
{
sessionDesc["type"] = "pranswer";
}
JObject parameters = new JObject();
parameters["to"] = remoteVideoPeer;
parameters["type"] = "message";
parameters["answer"] = sessionDesc;
client.send(parameters);
};
engine.sendLocalCandidate = (cand) =>
{
JObject candidateObj = new JObject();
candidateObj["candidate"] = cand.Candidate;
candidateObj["sdpMid"] = cand.SdpMid;
candidateObj["sdpMLineIndex"] = cand.SdpMLineIndex;
JObject parameters = new JObject();
parameters["to"] = remoteVideoPeer;
parameters["type"] = "message";
parameters["candidate"] = candidateObj;
client.send(parameters);
};
break;
default:
break;
}
}
else if (m["answer"] != null)
{
switch (UserType)
{
case StarUserType.TRAINEE:
SymplePlayerEngineWebRTC engine = (SymplePlayerEngineWebRTC)player.engine;
string answerJsonString = JsonConvert.SerializeObject(m["answer"], Formatting.None);
JObject answerParams = (JObject)m["answer"];
Messenger.Broadcast(SympleLog.LogTrace, "Receive answer: " + answerJsonString);
engine.recvRemoteSDP(answerParams);
break;
case StarUserType.MENTOR:
Messenger.Broadcast(SympleLog.LogDebug, "Unexpected answer for one-way streaming");
break;
default:
break;
}
}
else if (m["candidate"] != null)
{
SymplePlayerEngineWebRTC engine = (SymplePlayerEngineWebRTC)player.engine;
JObject candidateParams = (JObject)m["candidate"];
Messenger.Broadcast(SympleLog.LogDebug, "Using Candidate: " + candidateParams);
engine.recvRemoteCandidate(candidateParams);
}
else
{
// the content of the message is unrecognized -- so it might be an annotation command.
string jsonMessageString = m.ToString(Formatting.None);
Messenger.Broadcast(SympleLog.IncomingMessage, jsonMessageString);
}
});
client.on("disconnect", (peer) =>
{
Messenger.Broadcast(SympleLog.LogInfo, "Disconnected from server");
});
client.on("error", (error) =>
{
Messenger.Broadcast(SympleLog.LogError, "Connection error: " + error);
});
client.connect();
#else
Messenger.Broadcast(SympleLog.LogInfo, "not actually connecting via webrtc because NETFX_CORE not defined (probably this is in the unity editor)");
#endif
}