// called when local SDP is ready to be sent to the peer
private async void _onLocalSDP(RTCSessionDescription desc)
{
try
{
Messenger.Broadcast(SympleLog.LogTrace, "symple:webrtc: _onLocalSDP");
string localSdp = desc.Sdp;
Messenger.Broadcast(SympleLog.LogTrace, "symple:webrtc: localSdp = " + localSdp);
List <int> localVideoCodecIds = Symple.GetVideoCodecIds(localSdp);
string logMsg = "localVideoCodecIds: ";
foreach (var videoCodecId in localVideoCodecIds)
{
logMsg += videoCodecId + " ";
}
Messenger.Broadcast(SympleLog.LogTrace, "symple:webrtc: " + logMsg);
await this.pc.SetLocalDescription(desc);
this.sendLocalSDP(desc);
} catch (Exception e)
{
Messenger.Broadcast(SympleLog.LogError, "symple:webrtc: failed to send local SDP; " + e);
}
}
// dispatch function for handling filtered message response callbacks
private bool dispatchResponse(string eventLabel, params object[] arguments)
{
var data = arguments;
if (this.listeners.ContainsKey(eventLabel))
{
List <object> listenersForEvent = listeners[eventLabel];
foreach (object listenerForEvent in listenersForEvent)
{
if (listenerForEvent.GetType() == typeof(JObjectWithActions))
{
JObjectWithActions listenerObj = (JObjectWithActions)listenerForEvent;
if (listenerObj["filters"] != null)
{
{
JObject filtersObj = (JObject)listenerObj["filters"];
JObject dataObj = (JObject)data[0];
if (Symple.match(filtersObj, dataObj))
{
Action <object> fn = listenerObj.actions["fn"];
fn(data);
if (listenerObj["after"] != null)
{
Action <object> after = listenerObj.actions["after"];
after(data);
}
return(true);
}
}
}
}
}
}
return(false);
}
// get the peer matching an ID or address string: user|id
public override JObject get(string id)
{
// handle IDs
JObject peer = base.get(id);
if (peer != null)
{
return(peer);
}
// handle address strings
return(this.findOne(Symple.parseAddress(id)));
}
// remove the peer matching an ID or address string: user|id
public override JObject remove(string id)
{
var addr = Symple.parseAddress(id);
id = (string)addr["id"] ?? id;
var peer = base.remove(id);
if (peer != null)
{
this.client.dispatch("removePeer", peer);
}
return(peer);
}
public List <JObject> find(JObject parameters)
{
List <JObject> res = new List <JObject>();
for (int i = 0; i < this.store.Count; i++)
{
if (Symple.match(parameters, this.store[i]))
{
res.Add(this.store[i]);
}
}
return(res);
}
public void sendPresence(JObject p)
{
p = p ?? new JObject();
if (p["data"] != null)
{
JObject pDataObj = (JObject)p["data"];
p["data"] = Symple.merge(this.peer, pDataObj);
}
else
{
p["data"] = this.peer;
}
this.send(new SymplePresence(p));
}
// send a message to the given peer
// m = JSON object
// to = either a string or a JSON object to build an address from
#if NETFX_CORE
public void send(JObject m, JToken to = null)
{
if (!this.online())
{
throw new Exception("cannot send messages while offline"); // TODO: add to pending queue?
}
if (m.Type != JTokenType.Object)
{
throw new Exception("message must be an object");
}
if (m["type"].Type != JTokenType.String)
{
m["type"] = "message";
}
if (m["id"] == null)
{
m["id"] = Symple.randomString(8);
}
if (to != null)
{
m["to"] = to;
}
if (m["to"] != null && m["to"].Type == JTokenType.Object)
{
JObject mToObj = (JObject)m["to"];
m["to"] = Symple.buildAddress(mToObj);
}
if (m["to"] != null && m["to"].Type != JTokenType.String)
{
throw new Exception("message 'to' attribute must be an address string");
}
m["from"] = Symple.buildAddress(this.peer);
if (m["from"] == m["to"])
{
throw new Exception("message sender cannot match the recipient");
}
Messenger.Broadcast(SympleLog.LogTrace, "symple:client: sending" + m);
this.socket.Send(m);
}
public void connect()
{
#if NETFX_CORE
Messenger.Broadcast(SympleLog.LogInfo, "symple:client: connecting");
if (this.socket != null)
{
string err = "the client socket is not null";
Messenger.Broadcast(SympleLog.LogError, err);
throw new Exception(err);
}
this.socket = IO.Socket(this.options["url"].ToString(), this.ioOptions);
this.socket.On(Socket.EVENT_CONNECT, () => {
Messenger.Broadcast(SympleLog.LogInfo, "symple:client: connected");
Messenger.Broadcast(SympleLog.Connected);
JObject announceData = new JObject();
announceData["user"] = this.peer["user"] ?? "";
announceData["name"] = this.peer["name"] ?? "";
announceData["type"] = this.peer["type"] ?? "";
announceData["token"] = options["token"] ?? "";
string announceDataJsonString = JsonConvert.SerializeObject(announceData, Formatting.None);
Messenger.Broadcast(SympleLog.LogTrace, "announceDataJsonString: " + announceDataJsonString);
this.socket.Emit("announce", (resObj) => {
Messenger.Broadcast(SympleLog.LogDebug, "symple:client: announced " + resObj);
Messenger.Broadcast(SympleLog.Announced);
JObject res = (JObject)resObj;
if ((int)res["status"] != 200)
{
this.setError("auth", resObj.ToString());
return;
}
JObject resData = (JObject)res["data"];
this.peer = Symple.extend(this.peer, resData);
this.roster.add(resData);
JObject sendPresenceParams = new JObject();
sendPresenceParams["probe"] = true;
this.sendPresence(sendPresenceParams);
this.dispatch("announce", res);
this.socket.On(Socket.EVENT_MESSAGE, (msg) =>
{
Messenger.Broadcast(SympleLog.LogTrace, "symple:client receive " + msg);
JObject m = (JObject)msg;
string mType = (string)m["type"];
switch (mType)
{
case "message":
m = new SympleMessage(m);
break;
case "command":
m = new SympleCommand(m);
break;
case "event":
m = new SympleEvent(m);
break;
case "presence":
m = new SymplePresence(m);
if ((bool)m["data"]["online"])
{
this.roster.update((JObject)m["data"]);
}
else
{
this.roster.remove((string)m["data"]["id"]);
}
if (m["probe"] != null && (bool)m["probe"] == true)
{
JObject presenceTo = new JObject();
presenceTo["to"] = Symple.parseAddress(m["from"].ToString())["id"];
this.sendPresence(new SymplePresence(presenceTo));
}
break;
default:
var o = m;
o["type"] = o["type"] ?? "message";
break;
}
if (m["from"].Type != JTokenType.String)
{
Messenger.Broadcast(SympleLog.LogError, "symple:client: invalid sender address: " + m);
return;
}
// replace the from attribute with the full peer object.
// this will only work for peer messages, not server messages.
string mFrom = (string)m["from"];
Messenger.Broadcast(SympleLog.LogTrace, "looking up rpeer in roster, mFrom = " + mFrom + "...");
var rpeer = this.roster.get(mFrom);
if (rpeer != null)
{
Messenger.Broadcast(SympleLog.LogTrace, "found rpeer: " + rpeer);
m["from"] = rpeer;
}
else
{
Messenger.Broadcast(SympleLog.LogInfo, "symple:client: got message from unknown peer: " + m);
}
// Dispatch to the application
this.dispatch((string)m["type"], m);
});
}, announceData);
});
this.socket.On(Socket.EVENT_ERROR, () =>
{
// this is triggered when any transport fails, so not necessarily fatal
this.dispatch("connect");
});
this.socket.On("connecting", () =>
{
Messenger.Broadcast(SympleLog.LogDebug, "symple:client: connecting");
this.dispatch("connecting");
});
this.socket.On(Socket.EVENT_RECONNECTING, () =>
{
Messenger.Broadcast(SympleLog.LogDebug, "symple:client: connecting");
Messenger.Broadcast(SympleLog.Reconnecting);
this.dispatch("reconnecting");
});
this.socket.On("connect_failed", () =>
{
// called when all transports fail
Messenger.Broadcast(SympleLog.LogError, "symple:client: connect failed");
Messenger.Broadcast(SympleLog.ConnectFailed);
this.dispatch("connect_failed");
this.setError("connect");
});
this.socket.On(Socket.EVENT_DISCONNECT, () =>
{
Messenger.Broadcast(SympleLog.LogInfo, "symple:client: disconnect");
Messenger.Broadcast(SympleLog.Disconnect);
this.peer["online"] = false;
this.dispatch("disconnect");
});
#endif
}
