/// <summary>
/// TODO: Documentation StartTurnPeer
/// </summary>
/// <param name="sid"></param>
private void StartTurnPeer(String sid)
{
JingleSession jingleSession = this.JingleManager.FindSession(sid);
if (jingleSession != null &&
jingleSession.Remote.Action == ActionType.session_initiate)
{
JingleContent jingleContent = jingleSession.Remote.GetContent(0);
JingleIce jingleIce = jingleContent.GetElement <JingleIce>(0);
foreach (JingleIceCandidate candidate in jingleIce.GetCandidates())
{
if (candidate.Type == IceCandidateType.relay)
{
if (this.OnTurnStart != null)
{
this.OnTurnStart(this, candidate.EndPoint, sid);
}
if (this.OnConnectionTryEnded != null)
{
this.OnConnectionTryEnded(this, sid);
}
this.CancelStartingSession();
break;
}
}
}
}
/// <summary>
/// TODO: Documentation CheckConnectivity
/// </summary>
/// <param name="sid"></param>
private void CheckConnectivity(String sid)
{
if (this.turnSessions.ContainsKey(sid))
{
this.holePuncher = new HolePuncher(this.turnSessions[sid].TurnManager.HostEP, sid);
JingleSession jingleSession = this.JingleManager.FindSession(sid);
JingleContent jingleContent = jingleSession.Remote.GetContent(0);
JingleIce jingleIce = jingleContent.GetElement <JingleIce>(0);
foreach (JingleIceCandidate remoteCandidate in jingleIce.GetCandidates())
{
switch (remoteCandidate.Type)
{
case IceCandidateType.host:
case IceCandidateType.prflx:
case IceCandidateType.srflx:
foreach (JingleIceCandidate localCandidate in this.localCandidates[sid])
{
if (localCandidate.Type == remoteCandidate.Type)
{
this.holePuncher.AddEP(remoteCandidate.Priority, remoteCandidate.EndPoint);
break;
}
}
break;
case IceCandidateType.relay:
if (this.TurnSupported &&
jingleSession.Remote.Action == ActionType.session_accept)
{
this.turnSessions[sid].TurnManager.CreatePermission(new XorMappedAddress(remoteCandidate.RelatedEndPoint),
this.turnSessions[sid].TurnAllocation);
}
break;
}
}
if (!this.holePuncher.CanStart && this.TurnSupported)
{
this.StartTurnPeer(sid);
}
else
{
this.holePuncher.StartTcpPunch(this.HolePunchSuccess, this.HolePunchFailure);
}
}
}
/// <summary>
/// TODO: Documentation turnManager_OnAllocateSucceed
/// </summary>
/// <param name="sender"></param>
/// <param name="allocation"></param>
/// <param name="sentMsg"></param>
/// <param name="receivedMsg"></param>
private void turnManager_OnAllocateSucceed(object sender, TurnAllocation allocation, StunMessage sentMsg, StunMessage receivedMsg)
{
if (this.StartingSessionRecipient != null)
{
this.turnSessions[this.StartingSessionSid].TurnAllocation = allocation;
XmlDocument doc = new XmlDocument();
// Jingle Transport
JingleIce jingleIce = new JingleIce(doc)
{
Pwd = JingleUtilities.GenerateIcePwd,
Ufrag = JingleUtilities.GenerateIceUfrag
};
if (this.OnIceCandidatesGathering != null)
{
this.OnIceCandidatesGathering(this, jingleIce, (sender as TurnManager).HostEP, this.turnSessions[this.StartingSessionSid].UseTurnOnly, allocation);
}
this.localCandidates.Add(this.StartingSessionSid, jingleIce.GetCandidates());
JingleIQ jingleIq = null;
// Jingle Description
Element jingleDescription = null;
String contentName = null;
if (this.OnDescriptionGathering != null)
{
this.OnDescriptionGathering(this, doc, this.StartingSessionSid, ref jingleDescription, ref contentName);
}
jingleIq = this.JingleManager.SessionRequest(this.StartingSessionRecipient,
this.StartingSessionAction,
this.StartingSessionSid, contentName,
jingleDescription, jingleIce);
//this.jingleManager.FindSession(this.StartingSessionSid).Local = jingleIq.Instruction;
this.Stream.Write(jingleIq);
}
}
