public void SendCallback(IAsyncResult ar)
{
// TODO: Change tstaus to not sent
SendStateObject so = (SendStateObject)ar.AsyncState;
MessageModel messageModel = so.extra as MessageModel;
string StatusMessage = "";
if (messageModel == null)
{
return;
}
if (!so.WorkSocket.Connected)
{
StatusMessage = "Not delivered";
}
else
{
int bytesSent = so.WorkSocket.EndSend(ar);
if (bytesSent == so.MessageLength)
{
StatusMessage = "Delivered";
}
else
{
StatusMessage = "Not delivered";
}
}
Application.Current.Dispatcher.Invoke(() => messageModel.StatusMessage = StatusMessage);
}
public void Send(MessageModel Message)
{
SendStateObject state = new SendStateObject();
state.WorkSocket = _ConSocket;
state.extra = Message;
MessageBase sendMessage = null;
if (Message is TextMessageModel)
{
sendMessage = new TextChatMessage((TextMessageModel)Message, Model.Username, Model.id);
}
else if (Message is ImageMessageModel)
{
sendMessage = new ImageChatMessage((ImageMessageModel)Message, Model.Username, Model.id);
}
else if (Message is BuzzMessageModel)
{
sendMessage = new BuzzMessage(Model.Username, Model.id);
}
string serializedMessage = sendMessage.Serialize();
byte[] byteMessage = Encoding.UTF8.GetBytes(serializedMessage);
state.MessageLength = byteMessage.Length;
try
{
state.WorkSocket.BeginSend(byteMessage, 0, state.MessageLength, SocketFlags.None, SendCallback, state);
}
catch (Exception ex) when(ex is SocketException || ex is NullReferenceException)
{
throw new NoConnectionException();
}
}