private void OnNotification(Client client, BroadcastParams broadcastParams)
{
if (broadcastParams.Event != "queuing.relay.events" && broadcastParams.Event != "relay")
{
return;
}
mLogger.LogDebug("CallingAPI OnNotification");
CallingEventParams callingEventParams = null;
try { callingEventParams = broadcastParams.ParametersAs <CallingEventParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse CallingEventParams");
return;
}
if (string.IsNullOrWhiteSpace(callingEventParams.EventType))
{
mLogger.LogWarning("Received CallingEventParams with empty EventType");
return;
}
switch (callingEventParams.EventType.ToLower())
{
case "calling.call.state":
OnCallingEvent_State(client, broadcastParams, callingEventParams);
break;
case "calling.call.receive":
OnCallingEvent_Receive(client, broadcastParams, callingEventParams);
break;
case "calling.call.connect":
OnCallingEvent_Connect(client, broadcastParams, callingEventParams);
break;
case "calling.call.play":
OnCallingEvent_Play(client, broadcastParams, callingEventParams);
break;
case "calling.call.collect":
OnCallingEvent_Collect(client, broadcastParams, callingEventParams);
break;
case "calling.call.record":
OnCallingEvent_Record(client, broadcastParams, callingEventParams);
break;
case "calling.call.tap":
OnCallingEvent_Tap(client, broadcastParams, callingEventParams);
break;
case "calling.call.detect":
OnCallingEvent_Detect(client, broadcastParams, callingEventParams);
break;
case "calling.call.fax":
OnCallingEvent_Fax(client, broadcastParams, callingEventParams);
break;
case "calling.call.send_digits":
OnCallingEvent_SendDigits(client, broadcastParams, callingEventParams);
break;
default: break;
}
}
private void OnCallingEvent_SendDigits(Client client, BroadcastParams broadcastParams, CallingEventParams callEventParams)
{
CallingEventParams.SendDigitsParams sendDigitsParams = null;
try { sendDigitsParams = callEventParams.ParametersAs <CallingEventParams.SendDigitsParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse SendDigitsParams");
return;
}
if (!mCalls.TryGetValue(sendDigitsParams.CallID, out Call call))
{
mLogger.LogWarning("Received SendDigitsParams with unknown CallID: {0}", sendDigitsParams.CallID);
return;
}
call.SendDigitsStateChangeHandler(callEventParams, sendDigitsParams);
}
private void OnCallingEvent_Fax(Client client, BroadcastParams broadcastParams, CallingEventParams callEventParams)
{
CallingEventParams.FaxParams faxParams = null;
try { faxParams = callEventParams.ParametersAs <CallingEventParams.FaxParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse FaxParams");
return;
}
if (!mCalls.TryGetValue(faxParams.CallID, out Call call))
{
mLogger.LogWarning("Received FaxParams with unknown CallID: {0}", faxParams.CallID);
return;
}
call.FaxHandler(callEventParams, faxParams);
}
private void OnCallingEvent_Connect(Client client, BroadcastParams broadcastParams, CallingEventParams callEventParams)
{
CallingEventParams.ConnectParams connectParams = null;
try { connectParams = callEventParams.ParametersAs <CallingEventParams.ConnectParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse ConnectParams");
return;
}
if (!mCalls.TryGetValue(connectParams.CallID, out Call call))
{
mLogger.LogWarning("Received ConnectParams with unknown CallID: {0}, {1}", connectParams.CallID, connectParams.State);
return;
}
call.ConnectHandler(callEventParams, connectParams);
}
private void OnCallingEvent_Receive(Client client, BroadcastParams broadcastParams, CallingEventParams callEventParams)
{
CallingEventParams.ReceiveParams receiveParams = null;
try { receiveParams = callEventParams.ParametersAs <CallingEventParams.ReceiveParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse ReceiveParams");
return;
}
// @note A received call should only ever receive one receive event regardless of the state of the call, but we act as though
// we could receive multiple just for sanity here, but the callbacks will still only be called when first created, which makes
// this effectively a no-op on additional receive events
Call call = null;
Call tmp = null;
switch (receiveParams.Device.Type)
{
case CallDevice.DeviceType.phone:
{
CallDevice.PhoneParams phoneParams = null;
try { phoneParams = receiveParams.Device.ParametersAs <CallDevice.PhoneParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse PhoneParams");
return;
}
// If the call already exists under the real call id simply obtain the call, otherwise create a new call
call = mCalls.GetOrAdd(receiveParams.CallID, k => (tmp = new PhoneCall(this, receiveParams.NodeID, receiveParams.CallID)
{
To = phoneParams.ToNumber,
From = phoneParams.FromNumber,
Timeout = phoneParams.Timeout,
}));
break;
}
// @TODO: sip and webrtc
default:
mLogger.LogWarning("Unknown device type: {0}", receiveParams.Device.Type);
return;
}
if (tmp == call)
{
call.Context = receiveParams.Context;
OnCallCreated?.Invoke(this, call);
OnCallReceived?.Invoke(this, call, receiveParams);
}
call.ReceiveHandler(callEventParams, receiveParams);
}
private void OnCallingEvent_State(Client client, BroadcastParams broadcastParams, CallingEventParams callEventParams)
{
CallingEventParams.StateParams stateParams = null;
try { stateParams = callEventParams.ParametersAs <CallingEventParams.StateParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse StateParams");
return;
}
Call call = null;
if (!string.IsNullOrWhiteSpace(stateParams.TemporaryCallID))
{
// Remove the call keyed by the temporary call id if it exists
if (mCalls.TryRemove(stateParams.TemporaryCallID, out call))
{
// Update the internal details for the call, including the real call id
call.NodeID = stateParams.NodeID;
call.ID = stateParams.CallID;
}
}
// If call is not null at this point, it means this is the first event for a call that was started with a temporary call id
// and the call should be readded under the real call id
Call tmp = null;
switch (stateParams.Device.Type)
{
case CallDevice.DeviceType.phone:
{
CallDevice.PhoneParams phoneParams = null;
try { phoneParams = stateParams.Device.ParametersAs <CallDevice.PhoneParams>(); }
catch (Exception exc)
{
mLogger.LogWarning(exc, "Failed to parse PhoneParams");
return;
}
// If the call already exists under the real call id simply obtain the call, however if the call was found under
// a temporary call id then readd it here under the real call id, otherwise create a new call
call = mCalls.GetOrAdd(stateParams.CallID, k => call ?? (tmp = new PhoneCall(this, stateParams.NodeID, stateParams.CallID)
{
To = phoneParams.ToNumber,
From = phoneParams.FromNumber,
Timeout = phoneParams.Timeout,
// Capture the state, it may not always be created the first time we see the call
State = stateParams.CallState,
}));
break;
}
// @TODO: sip and webrtc
default:
mLogger.LogWarning("Unknown device type: {0}", stateParams.Device.Type);
return;
}
if (tmp == call)
{
OnCallCreated?.Invoke(this, call);
}
call.StateChangeHandler(callEventParams, stateParams);
}
