public void PlaceCall(string destination, SDP sdp)
{
m_destination = destination;
m_sdp = sdp;
XElement descriptionElement = SDPToJingle.GetDescription(m_sdp);
m_descriptionID = Crypto.GetRandomString(6);
XElement callElement = new XElement(JabberClientNS + "iq",
new XAttribute("from", m_jid),
new XAttribute("id", m_descriptionID),
new XAttribute("to", m_destination),
new XAttribute("type", "set"),
new XElement(m_sessionNS + "session",
new XAttribute("type", "initiate"),
new XAttribute("id", m_sessionID),
new XAttribute("initiator", m_jid),
descriptionElement
//new XElement(m_transportNS + "transport")
));
logger.Debug("XMPPPhoneSession sending iq with session description.");
m_xmppStream.WriteElement(callElement, OnIQResponse);
}
/// <summary>
/// Handler method for receiving iq requests from the remote server.
/// </summary>
/// <param name="iq">The iq stanza request received.</param>
public void OnIQRequest(XElement iq)
{
logger.Debug("XMPPPhoneSession iq request, type=" + iq.Attribute("type").Value + ".");
if (iq.Element(m_sessionNS + "session") != null)
{
XAttribute sessionType = iq.Element(m_sessionNS + "session").Attribute("type");
if (sessionType != null)
{
if (sessionType.Value == "candidates")
{
logger.Debug("XMPPPhoneSession session candidates stanza was received.");
XElement candidate = (from cand in iq.Descendants(m_sessionNS + "session").Descendants(m_sessionNS + "candidate")
where cand.Attribute("protocol").Value == "udp"
select cand).First();
m_remoteIPAddress = candidate.Attribute("address").Value;
Int32.TryParse(candidate.Attribute("port").Value, out m_remotePort);
m_remoteUsername = candidate.Attribute("username").Value;
m_remotePassword = candidate.Attribute("password").Value;
}
else if (sessionType.Value == "accept")
{
logger.Debug("XMPPPhoneSession session accept stanza was received.");
m_payloads = (from pl in iq.Descendants(m_sessionNS + "session").Descendants(m_phoneNS + "description")
.Descendants(m_phoneNS + "payload-type")
select pl).ToList();
Accepted(SDPToJingle.GetSDP(m_remoteIPAddress, m_remotePort, m_remoteUsername, m_remotePassword, m_payloads));
}
else if (sessionType.Value == "terminate")
{
logger.Debug("XMPPPhoneSession session terminate stanza was received.");
Hungup();
}
}
else
{
logger.Warn("XMPPPhoneSession session element was received with a missing type attribute.");
logger.Warn(iq.ToString());
}
}
else
{
logger.Warn("XMPPPhoneSession an iq element was received with no session element.");
logger.Warn(iq.ToString());
}
}
public void RetargetCallMedia(string ipAddress, int port)
{
XElement candidateElement = SDPToJingle.GetCandidate(ipAddress, port);
string candidateIqID = Crypto.GetRandomString(6);
XElement candElement = new XElement(JabberClientNS + "iq",
new XAttribute("from", m_jid),
new XAttribute("id", candidateIqID),
new XAttribute("to", m_destination),
new XAttribute("type", "set"),
new XElement(m_sessionNS + "session",
new XAttribute("type", "candidates"),
new XAttribute("id", m_sessionID),
new XAttribute("initiator", m_jid),
candidateElement));
m_xmppStream.WriteElement(candElement, OnIQResponse);
}
private void SendCandidates()
{
XElement candidatesElement = SDPToJingle.GetCandidates(m_sdp);
string candidateIqID = Crypto.GetRandomString(6);
XElement candElement = new XElement(JabberClientNS + "iq",
new XAttribute("from", m_jid),
new XAttribute("id", candidateIqID),
new XAttribute("to", m_destination),
new XAttribute("type", "set"),
new XElement(m_sessionNS + "session",
new XAttribute("type", "candidates"),
new XAttribute("id", m_sessionID),
new XAttribute("initiator", m_jid),
candidatesElement));
logger.Debug("XMPPPhoneSession sending iq with session candidate.");
m_xmppStream.WriteElement(candElement, OnIQResponse);
}
