private SIPDialogue SendCallRequest(string forwardingNumber, string destinationNumber, int phoneType, int waitForCallbackTimeout, string contentType, string body)
{
try
{
int callbackTimeout = (waitForCallbackTimeout < MIN_CALLBACK_TIMEOUT || waitForCallbackTimeout > MAX_CALLBACK_TIMEOUT) ? WAIT_FOR_CALLBACK_TIMEOUT : waitForCallbackTimeout;
CallbackWaiter callbackWaiter = new CallbackWaiter(m_username, CallbackWaiterEnum.GoogleVoice, forwardingNumber, MatchIncomingCall);
m_callManager.AddWaitingApplication(callbackWaiter);
string callData = "outgoingNumber=" + Uri.EscapeDataString(destinationNumber) + "&forwardingNumber=" + Uri.EscapeDataString(forwardingNumber) +
"&subscriberNumber=undefined&remember=0&_rnr_se=" + Uri.EscapeDataString(m_rnrKey) + "&phoneType=" + phoneType;
//logger.Debug("call data=" + callData + ".");
// Build the call request.
HttpWebRequest callRequest = (HttpWebRequest)WebRequest.Create(VOICE_CALL_URL);
callRequest.ConnectionGroupName = "call";
callRequest.CookieContainer = m_cookies;
callRequest.Method = "POST";
callRequest.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
callRequest.ContentLength = callData.Length;
callRequest.GetRequestStream().Write(Encoding.UTF8.GetBytes(callData), 0, callData.Length);
callRequest.Timeout = HTTP_REQUEST_TIMEOUT * 1000;
HttpWebResponse response = (HttpWebResponse)callRequest.GetResponse();
HttpStatusCode responseStatus = response.StatusCode;
response.Close();
if (responseStatus != HttpStatusCode.OK)
{
throw new ApplicationException("The call request failed with a " + responseStatus + " response.");
}
else
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Google Voice Call to " + destinationNumber + " initiated, callback #" + forwardingNumber + ", phone type " + phoneType + ", timeout " + callbackTimeout + "s.", m_username));
}
if (m_waitForCallback.WaitOne(callbackTimeout * 1000))
{
if (!m_hasBeenCancelled)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Google Voice Call callback received.", m_username));
return m_callbackCall.Answer(contentType, body, null, SIPDialogueTransferModesEnum.Default);
}
else
{
return null;
}
}
else
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Google Voice Call timed out waiting for callback.", m_username));
CancelCall();
return null;
}
}
catch (Exception excp)
{
logger.Error("Exception GoogleVoiceCall SendCallRequest. " + excp.Message);
throw;
}
}
public void AddWaitingApplication(CallbackWaiter callbackWaiter)
{
lock (m_waitingForCallbacks)
{
if (m_waitingForCallbacks.ContainsKey(callbackWaiter.UniqueId))
{
m_waitingForCallbacks[callbackWaiter.UniqueId] = callbackWaiter;
}
else
{
m_waitingForCallbacks.Add(callbackWaiter.UniqueId, callbackWaiter);
}
}
if (m_dispatcherProxy.Count > 0)
{
// Register wil the SIP proxies to get the next call for the owning user directed to this application server.
ThreadPool.QueueUserWorkItem(delegate
{
try
{
foreach (CallDispatcherProxy proxy in m_dispatcherProxy.Values)
{
if (proxy.State != CommunicationState.Faulted)
{
proxy.SetNextCallDest(callbackWaiter.Owner, m_sipTransport.GetDefaultSIPEndPoint().ToString());
}
}
}
catch (Exception excp)
{
logger.Error("Exception SIPCallManager AddWaitingApplication. " + excp.Message);
}
});
}
}
