/// <summary>
/// Populates a Jingle message object with the basic stuff needed to initiate an audio call with speex and mu-law support.
/// RTP payloads are hard coded and the transport is hard-coded to ICE.
/// </summary>
/// <param name="strLocalIP">The local IP address that the client is listening on for audio</param>
/// <param name="nLocalPort">The local port that the client is listening on for audio</param>
/// <returns>A Jingle object that can be further modified and supplied to InitiateNewSession()</returns>
public static GoogleSession CreateBasicOutgoingAudioRequest(string strLocalIP, int nLocalPort)
{
GoogleSession sessioncontent = new GoogleSession();
sessioncontent.Action = GoogleSession.Initiate;
sessioncontent.Description = new Description();
sessioncontent.Description.media = "audio";
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 9, Channels = "1", ClockRate = "16000", Name = "G722"
});
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 96, Channels = "1", ClockRate = "16000", Name = "speex"
});
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 97, Channels = "1", ClockRate = "8000", Name = "speex"
});
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 0, Channels = "1", ClockRate = "8000", Name = "PCMU"
});
/// If you don't want to use ICE UDP, new a different transport object
sessioncontent.Transport = new Transport();
sessioncontent.Transport.Candidates.Add(new Candidate()
{
ipaddress = strLocalIP, port = nLocalPort
});
return(sessioncontent);
}
internal void SendGoogleSession(GoogleSession jingleinfo)
{
GoogleTalkIQ iq = new GoogleTalkIQ();
iq.From = XMPPClient.JID;
iq.To = RemoteJID;
iq.Type = IQType.set.ToString();
iq.Session = jingleinfo;
iq.Session.SID = this.SessionId;
XMPPClient.SendObject(iq);
}
/// <summary>
/// Create a simple audio session jingle accept
/// </summary>
/// <param name="strLocalIP">The local ip address that the client is listening on for media</param>
/// <param name="nLocalPort">The local port the client is listening on for media</param>
/// <param name="payloads">A list of payloads that are acceptable, or null to use the default paylodas (speex, PCMU)</param>
/// <returns>A Jingle message object that can be supplied to </returns>
public static GoogleSession CreateBasicAudioSessionAccept(string strLocalIP, int nLocalPort, Payload[] payloads)
{
GoogleSession sessioncontent = new GoogleSession();
sessioncontent.Action = GoogleSession.Accept;
sessioncontent.Description = new Description();
sessioncontent.Description.media = "audio";
if (payloads != null)
{
foreach (Payload payload in payloads)
{
sessioncontent.Description.Payloads.Add(payload);
}
}
else
{
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 9, Channels = "1", ClockRate = "16000", Name = "G722"
});
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 96, Channels = "1", ClockRate = "16000", Name = "speex"
});
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 97, Channels = "1", ClockRate = "8000", Name = "speex"
});
sessioncontent.Description.Payloads.Add(new Payload()
{
PayloadId = 0, Channels = "1", ClockRate = "8000", Name = "PCMU"
});
}
/// If you don't want to use ICE UDP, new a different transport object
sessioncontent.Transport = new Transport();
sessioncontent.Transport.Candidates.Add(new Candidate()
{
ipaddress = strLocalIP, port = nLocalPort
});
return(sessioncontent);
}
public void SendJingle(string strSessionId, GoogleSession sessioninfo)
{
/// Create a new session logic and send out the intial session create request
///
GoogleTalkLogic session = null;
lock (SessionLock)
{
if (Sessions.ContainsKey(strSessionId) == true)
{
session = Sessions[strSessionId];
}
}
if (session != null)
{
session.SendGoogleSession(sessioninfo);
}
}
public string InitiateNewSession(JID jidto, GoogleSession sessioninfo)
{
/// Create a new session logic and send out the intial session create request
///
string strSessionId = Guid.NewGuid().ToString();
GoogleTalkLogic session = new GoogleTalkLogic(this.XMPPClient, strSessionId, this);
sessioninfo.SID = strSessionId;
lock (SessionLock)
{
Sessions.Add(strSessionId, session);
}
session.InitiateSession(sessioninfo, jidto);
return(strSessionId);
}
internal void AcceptSession(GoogleSession jingleinfo)
{
if (AcceptSessionMessage != null) /// we've already started a session, the user needs to create a new one
{
throw new Exception(string.Format("Cannot accept a session that already exists, Session [{0}] has already been accepted, client must create a new session", this.SessionId));
}
AcceptSessionMessage = new GoogleTalkIQ();
AcceptSessionMessage.From = XMPPClient.JID;
AcceptSessionMessage.To = RemoteJID;
AcceptSessionMessage.Type = IQType.set.ToString();
AcceptSessionMessage.Session = jingleinfo;
AcceptSessionMessage.Session.Action = GoogleSession.Accept;
AcceptSessionMessage.Session.Initiator = XMPPClient.JID;
AcceptSessionMessage.Session.SID = this.SessionId;
XMPPClient.SendObject(AcceptSessionMessage);
}
internal void InitiateSession(GoogleSession jingleinfo, string strJIDTo)
{
if (OutgoingRequestMessage != null) /// we've already started a session, the user needs to create a new one
{
throw new Exception(string.Format("Cannot initiate a session that already exists, Session [{0}] has already sent out an initiate session message, client must create a new session", this.SessionId));
}
RemoteJID = strJIDTo;
OutgoingRequestMessage = new GoogleTalkIQ();
OutgoingRequestMessage.From = XMPPClient.JID;
OutgoingRequestMessage.To = RemoteJID;
OutgoingRequestMessage.Type = IQType.set.ToString();
OutgoingRequestMessage.Session = jingleinfo;
OutgoingRequestMessage.Session.Action = GoogleSession.Initiate;
OutgoingRequestMessage.Session.Initiator = XMPPClient.JID;
if (OutgoingRequestMessage.Session.SID == null)
{
OutgoingRequestMessage.Session.SID = Guid.NewGuid().ToString();
}
XMPPClient.SendObject(OutgoingRequestMessage);
}
