public AudioVerifyViewModel(ISpeakerVerification verificationService)
{
StateMessage = "Hold on...";
_beeper = DependencyService.Get <IBeepPlayer>();
_verificationService = verificationService;
Recorder.AudioInputReceived += async(object sender, string e) => { await Recorder_AudioInputReceived(sender, e); };
}
public RopuClient(
ProtocolSwitch protocolSwitch,
ServingNodeClient servingNodeClient,
IMediaClient mediaClient,
LoadBalancerProtocol loadBalancerProtocol,
IClientSettings clientSettings,
IBeepPlayer beepPlayer,
RopuWebClient webClient,
KeysClient keysClient)
{
_webClient = webClient;
_beepPlayer = beepPlayer;
_clientSettings = clientSettings;
_loadBalancerProtocol = loadBalancerProtocol;
_protocolSwitch = protocolSwitch;
_servingNodeClient = servingNodeClient;
_mediaClient = mediaClient;
_servingNodeClient.SetControllingFunctionHandler(this);
_retryTimer = new Ropu.Shared.Timer();
_keysClient = keysClient;
var allEvents = (EventId[])Enum.GetValues(typeof(EventId));
//start
_start = new RopuState(StateId.Start);
_stateManager = new StateManager <StateId, EventId>(_start);
_stateManager.AddState(_start);
_start.AddTransitions(allEvents, () => _start);
//registered
_registered = new RopuState(StateId.Registered)
{
Entry = async token =>
{
if (_clientSettings.UserId == null)
{
throw new InvalidOperationException("UserId is not set");
}
_callGroup = IdleGroup;
_registeredUserId = _clientSettings.UserId.Value;
if (_heartbeatTask == null)
{
_heartbeatTask = Heartbeat(_heartbeatCancellationTokenSource.Token);
}
_heartbeatOnEvent.Set(); //allows the heartbeat to continue
await Task.Run(() => {});
},
};
_stateManager.AddState(_registered);
_registered.AddTransition(EventId.CallRequest, () => _startingCall !);
_registered.AddTransition(EventId.PttDown, () => _startingCall !);
_registered.AddTransition(EventId.RegistrationResponseReceived, () => _registered);
_registered.AddTransition(EventId.CallStartFailed, () => _registered);
_registered.AddTransition(EventId.PttUp, () => _registered);
_registered.AddTransition(EventId.GroupSelected, () => _registered);
//unregistered
_noGroup = new RopuState(StateId.NoGroup);
_unregistered = new RopuState(StateId.Unregistered)
{
Entry = async token =>
{
_heartbeatOnEvent.Reset(); //stops the heartbeat
await Register(token);
}
};
_unregistered.AddTransition(EventId.RegistrationResponseReceived, () => IdleGroup == null ? _noGroup : _registered);
_unregistered.AddTransition(EventId.FloorIdle, () => _unregistered);
_unregistered.AddTransition(EventId.FloorTaken, () => _unregistered);
_unregistered.AddTransition(EventId.CallEnded, () => _unregistered);
_unregistered.AddTransition(EventId.CallRequest, () => _unregistered);
_unregistered.AddTransition(EventId.CallStartFailed, () => _unregistered);
_unregistered.AddTransition(EventId.HeartbeatFailed, () => _unregistered);
_unregistered.AddTransition(EventId.PttUp, () => _unregistered);
_unregistered.AddTransition(EventId.PttDown, () => _unregistered);
_unregistered.AddTransition(EventId.GroupSelected, () => _unregistered);
_stateManager.AddState(_unregistered);
//no group
_noGroup.AddTransition(EventId.PttUp, () => _noGroup);
_noGroup.AddTransition(EventId.PttDown, () => _noGroup);
_noGroup.AddTransition(EventId.GroupSelected, () => _registered);
_noGroup.AddTransition(EventId.RegistrationResponseReceived, () => _noGroup);
_noGroup.AddTransition(EventId.CallRequest, () => _noGroup);
_noGroup.AddTransition(EventId.CallStartFailed, () => _noGroup);
_stateManager.AddState(_noGroup);
//deregistering
_deregistering = new RopuState(StateId.Deregistering)
{
Entry = async token => await Deregister(token),
};
_deregistering.AddTransition(EventId.DeregistrationResponseReceived, () => _unregistered);
_deregistering.AddTransitions(allEvents.Where(e => e != EventId.DeregistrationResponseReceived), () => _deregistering);
_deregistering.AddTransition(EventId.GroupSelected, () => _deregistering);
_stateManager.AddState(_deregistering);
//starting call
_startingCall = new RopuState(StateId.StartingCall)
{
Entry = async token => await StartCall(token),
Exit = newState =>
{
if (newState != _inCallTransmitting && newState != _inCallRequestingFloor)
{
_mediaClient.StopSendingAudio();
}
}
};
_startingCall.AddTransition(EventId.CallStartFailed, () => _registered);
_startingCall.AddTransition(EventId.PttUp, () => _startingCall);
_startingCall.AddTransition(EventId.PttDown, () => _startingCall);
_startingCall.AddTransition(EventId.RegistrationResponseReceived, () => _startingCall);
_startingCall.AddTransition(EventId.CallRequest, () => _startingCall);
_startingCall.AddTransition(EventId.GroupSelected, () => _startingCall);
_stateManager.AddState(_startingCall);
//in call idle
_inCallIdle = new RopuState(StateId.InCallIdle);
_inCallIdle.AddTransition(EventId.PttDown, () => _inCallRequestingFloor !);
_inCallIdle.AddTransition(EventId.PttUp, () => _inCallIdle);
_inCallIdle.AddTransition(EventId.RegistrationResponseReceived, () => _inCallIdle);
_inCallIdle.AddTransition(EventId.CallRequest, () => _inCallIdle);
_inCallIdle.AddTransition(EventId.CallStartFailed, () => _registered);
_inCallIdle.AddTransition(EventId.GroupSelected, () => _inCallIdle);
_stateManager.AddState(_inCallIdle);
//in call receiving
_inCallReceiveing = new RopuState(StateId.InCallReceiving);
_inCallReceiveing.AddTransition(EventId.PttDown, () => _inCallReceiveing);
_inCallReceiveing.AddTransition(EventId.PttUp, () => _inCallReceiveing);
_inCallReceiveing.AddTransition(EventId.RegistrationResponseReceived, () => _inCallReceiveing);
_inCallReceiveing.AddTransition(EventId.CallRequest, () => _inCallReceiveing);
_inCallReceiveing.AddTransition(EventId.CallStartFailed, () => _registered);
_inCallReceiveing.AddTransition(EventId.GroupSelected, () => _inCallReceiveing);
_stateManager.AddState(_inCallReceiveing);
//in call transmitting
_inCallTransmitting = new RopuState(StateId.InCallTransmitting)
{
Entry = async token =>
{
_beepPlayer.PlayGoAhead();
await Task.Run(() => {});
},
Exit = newState =>
{
if (newState != _inCallTransmitting && newState != _inCallRequestingFloor)
{
_mediaClient.StopSendingAudio();
}
}
};
_inCallTransmitting.AddTransition(EventId.PttUp, () => _inCallReleasingFloor !);
_inCallTransmitting.AddTransition(EventId.RegistrationResponseReceived, () => _inCallTransmitting);
_inCallTransmitting.AddTransition(EventId.CallRequest, () => _inCallTransmitting);
_inCallTransmitting.AddTransition(EventId.CallStartFailed, () => _inCallTransmitting);
_inCallTransmitting.AddTransition(EventId.PttDown, () => _inCallTransmitting);
_inCallTransmitting.AddTransition(EventId.GroupSelected, () => _inCallTransmitting);
_stateManager.AddState(_inCallTransmitting);
//in call requesting floor
_inCallRequestingFloor = new RopuState(StateId.InCallRequestingFloor)
{
Entry = token =>
{
if (_callGroup == null)
{
return(Task.CompletedTask);
}
if (_clientSettings.UserId == null)
{
throw new InvalidOperationException("UserId is not set");
}
_servingNodeClient.SendFloorRequest(_callGroup.Value, _clientSettings.UserId.Value);
StartSendingAudio();
return(Task.CompletedTask);
},
Exit = newState =>
{
if (newState != _inCallTransmitting && newState != _inCallRequestingFloor)
{
_mediaClient.StopSendingAudio();
_beepPlayer.PlayDenied();
}
}
};
_inCallRequestingFloor.AddTransition(EventId.RegistrationResponseReceived, () => _inCallReleasingFloor !);
_inCallRequestingFloor.AddTransition(EventId.CallRequest, () => _inCallReleasingFloor !);
_inCallRequestingFloor.AddTransition(EventId.CallStartFailed, () => _registered);
_inCallRequestingFloor.AddTransition(EventId.PttDown, () => _inCallRequestingFloor);
_inCallRequestingFloor.AddTransition(EventId.PttUp, () => _inCallIdle);
_inCallRequestingFloor.AddTransition(EventId.GroupSelected, () => _inCallRequestingFloor);
_stateManager.AddState(_inCallRequestingFloor);
//in call releasing floor
_inCallReleasingFloor = new RopuState(StateId.InCallReleasingFloor)
{
Entry = async token =>
{
if (_callGroup == null)
{
throw new InvalidOperationException("No call group");
}
if (_clientSettings.UserId == null)
{
throw new InvalidOperationException("UserId is not set");
}
while (!token.IsCancellationRequested)
{
_servingNodeClient.SendFloorReleased(_callGroup.Value, _clientSettings.UserId.Value);
await Task.Run(() => token.WaitHandle.WaitOne(1000));
}
}
};
_inCallReleasingFloor.AddTransition(EventId.FloorGranted, () => _inCallReleasingFloor);
_inCallReleasingFloor.AddTransition(EventId.RegistrationResponseReceived, () => _inCallReleasingFloor);
_inCallReleasingFloor.AddTransition(EventId.CallRequest, () => _inCallReleasingFloor);
_inCallReleasingFloor.AddTransition(EventId.CallStartFailed, () => _registered);
_inCallReleasingFloor.AddTransition(EventId.PttDown, () => _inCallRequestingFloor);
_inCallReleasingFloor.AddTransition(EventId.PttUp, () => _inCallReleasingFloor);
_inCallReleasingFloor.AddTransition(EventId.GroupSelected, () => _inCallReleasingFloor);
_stateManager.AddState(_inCallReleasingFloor);
_inCallReleasingFloor.AddTransition(EventId.FloorGranted, () => _inCallReleasingFloor);
_stateManager.StateChanged += (sender, args) =>
{
Console.WriteLine($"State Changed {this._stateManager.CurrentState}");
StateChanged?.Invoke(this, args);
};
_stateManager.AddTransitionToAll(EventId.HeartbeatFailed, () => _unregistered, stateId => true);
_stateManager.AddTransitionToAll(EventId.NotRegistered, () => _unregistered, stateId => true);
_stateManager.AddTransitionToAll(EventId.CallEnded, () => _registered, stateId => stateId != StateId.Unregistered && stateId != StateId.Start && stateId != StateId.Deregistering);
_stateManager.AddTransitionToAll(EventId.FloorIdle, () => _inCallIdle, IsRegistered);
_stateManager.AddTransitionToAll(EventId.FloorTaken, () => _inCallReceiveing, IsRegistered);
_stateManager.AddTransitionToAll(EventId.FloorGranted, () => _inCallTransmitting, stateId => stateId != StateId.InCallReleasingFloor);
_stateManager.AddTransitionToAll(EventId.DeregistrationResponseReceived, () => _unregistered, stateId => true);
_stateManager.AddTransitionToAll(EventId.GroupDeselected, () => _noGroup, stateId => true);
_stateManager.CheckEventsAreHandledByAll((EventId[])Enum.GetValues(typeof(EventId)));
}
