public void ConnectToServer()
{
ReceivedMessages.TryAdd("", "Please input your desired username...");
Task connectingTask = Task.Run(() =>
{
int i = 0;
if (_connection.EstablishConnection().Result || i < 100)
{
i = 0;
while (_inputMessage == null || i < 1000)
{
i++;
}
if (i < 90)
{
_connection.Disconnect();
ReceivedMessages.TryAdd("", "Connection timeout. Please try re-connecting.");
OnPropertyChanged(nameof(ReceivedMessages));
return;
}
_userName = InputMessage;
InputMessage = "";
if (_connection.RegisterUsername(_userName).Result)
{
getMessagesTask.Start();
}
}
else
{
_connection.Disconnect();
ReceivedMessages.TryAdd("", "Connection Failed.");
OnPropertyChanged(nameof(ReceivedMessages));
}
});
}
/// <summary>
/// Handles the event raised after a mod message is received
/// </summary>
/// <param name="sender">The sender of the ModMessageReceived event</param>
/// <param name="args">Event arguments for the ModMessageReceived event</param>
public void OnModMessageReceived(object sender, ModMessageReceivedEventArgs args)
{
Message message = args.ReadAs <Message>();
ReceivedMessages.TryAdd(args.Type, new List <Message>());
ReceivedMessages[args.Type].Add(message);
}
/// <summary>
/// Checks for new messages from a particular farmer that haven't been handled yet
/// </summary>
/// <param name="address">Destination address to check for message</param>
/// <param name="sender">ID of Farmer that sent a message</param>
/// <returns></returns>
public IEnumerable <Message> RetrieveMessages(string address, long sender = -1)
{
ReceivedMessages.TryAdd(address, new List <Message>());
List <Message> messages = new List <Message>(ReceivedMessages[address]);
foreach (Message message in messages)
{
if (sender == -1 || sender == message.Sender)
{
Network.Instance.ReceivedMessages[address].Remove(message);
yield return(message);
}
}
}
public ChatViewModel()
{
_connection = new ConnectionHandler();
_receivedMessages = new ConcurrentDictionary <string, string>();
_connectCommand = new RelayCommand(ConnectToServer);
_disconnectCommand = new RelayCommand(_connection.Disconnect);
_sendMessageCommand = new RelayCommand(SendMessage);
getMessagesTask = new Task(() =>
{
while (true)
{
string receivedMessage = _connection.ListenForMessage();
string[] splitMsg = receivedMessage.Split('~');
ReceivedMessages.TryAdd(splitMsg[0], splitMsg[1]);
OnPropertyChanged(nameof(ReceivedMessages));
}
});
}
