public async Task ProcessAsync(EnvelopeViewModel envelopeViewModel, SessionViewModel sessionViewModel)
{
if (envelopeViewModel == null)
{
throw new ArgumentNullException("envelopeViewModel");
}
if (sessionViewModel == null)
{
throw new ArgumentNullException("sessionViewModel");
}
var message = envelopeViewModel.Envelope as Message;
if (message != null &&
message.Id != Guid.Empty)
{
var notification = new Notification()
{
Id = message.Id,
To = message.From,
Event = Event.Consumed
};
var notificationEnvelopeViewModel = new EnvelopeViewModel()
{
Envelope = notification
};
sessionViewModel.InputJson = notificationEnvelopeViewModel.Json;
if (sessionViewModel.SendCommand.CanExecute(null))
{
await sessionViewModel.SendCommand.ExecuteAsync(null);
}
}
}
private void ProcessNotification(Notification notification)
{
foreach (var contactViewModel in Contacts)
{
if (contactViewModel.Conversation != null)
{
contactViewModel.Conversation.ReceiveNotification(notification);
}
}
}
private async Task ReceiveMessagesAsync(IChannel channel, CancellationToken cancellationToken)
{
while (channel.State == SessionState.Established)
{
cancellationToken.ThrowIfCancellationRequested();
var message = await channel.ReceiveMessageAsync(cancellationToken);
IDictionary<string, Guid> instanceSessionDictionary;
if (message.To == null)
{
var notification = new Notification()
{
Id = message.Id,
Event = Event.Failed,
Reason = new Reason()
{
Code = ReasonCodes.VALIDATION_INVALID_RECIPIENTS,
Description = "Invalid destination"
}
};
await channel.SendNotificationAsync(notification);
}
else if (!_identityInstanceSessionIdDictionary.TryGetValue(message.To.ToIdentity(), out instanceSessionDictionary) ||
!instanceSessionDictionary.Any())
{
var notification = new Notification()
{
Id = message.Id,
Event = Event.Failed,
Reason = new Reason()
{
Code = ReasonCodes.ROUTING_DESTINATION_NOT_FOUND,
Description = "Destination not found"
}
};
await channel.SendNotificationAsync(notification);
}
else
{
Guid destinationSessionId;
if (!instanceSessionDictionary.TryGetValue(message.To.Instance, out destinationSessionId))
{
destinationSessionId = instanceSessionDictionary.First().Value;
}
IServerChannel destinationChannel;
if (_serverConnectedNodesDictionary.TryGetValue(destinationSessionId, out destinationChannel))
{
await destinationChannel.SendMessageAsync(message);
}
else
{
var notification = new Notification()
{
Id = message.Id,
Event = Event.Failed,
Reason = new Reason()
{
Code = ReasonCodes.DISPATCH_ERROR,
Description = "Destination session is unavailable"
}
};
await channel.SendNotificationAsync(notification);
}
}
}
}
internal void ReceiveNotification(Notification notification)
{
var message = Messages.FirstOrDefault(m => m.Id == notification.Id);
if (message != null)
{
message.LastEvent = notification.Event;
}
}
private async Task ReceiveMessagesAsync(IChannel channel, CancellationToken cancellationToken)
{
while (channel.State == SessionState.Established)
{
cancellationToken.ThrowIfCancellationRequested();
var message = await channel.ReceiveMessageAsync(cancellationToken);
IDictionary <string, Guid> instanceSessionDictionary;
if (message.To == null)
{
var notification = new Notification()
{
Id = message.Id,
Event = Event.Failed,
Reason = new Reason()
{
Code = ReasonCodes.VALIDATION_INVALID_RECIPIENTS,
Description = "Invalid destination"
}
};
await channel.SendNotificationAsync(notification);
}
else if (!_identityInstanceSessionIdDictionary.TryGetValue(message.To.ToIdentity(), out instanceSessionDictionary) ||
!instanceSessionDictionary.Any())
{
var notification = new Notification()
{
Id = message.Id,
Event = Event.Failed,
Reason = new Reason()
{
Code = ReasonCodes.ROUTING_DESTINATION_NOT_FOUND,
Description = "Destination not found"
}
};
await channel.SendNotificationAsync(notification);
}
else
{
Guid destinationSessionId;
if (!instanceSessionDictionary.TryGetValue(message.To.Instance, out destinationSessionId))
{
destinationSessionId = instanceSessionDictionary.First().Value;
}
IServerChannel destinationChannel;
if (_serverConnectedNodesDictionary.TryGetValue(destinationSessionId, out destinationChannel))
{
await destinationChannel.SendMessageAsync(message);
}
else
{
var notification = new Notification()
{
Id = message.Id,
Event = Event.Failed,
Reason = new Reason()
{
Code = ReasonCodes.DISPATCH_ERROR,
Description = "Destination session is unavailable"
}
};
await channel.SendNotificationAsync(notification);
}
}
}
}
