public async Task ConnectAsync(string host, string applicationName, string userName, string password, CancellationToken cancellationToken)
{
if (client != null)
{
throw new InvalidOperationException();
}
log.Debug(l => l(LogMessages.Connecting, userName, host));
connected = new TaskCompletionSource <bool>();
disconnected = new TaskCompletionSource <bool>();
client = SDK.CreateSDK(applicationName);
Device = client.CreateMTA();
Device.NotifyConnectHandlers = NotifyConnectHandler;
Device.NotifyConnectionStateHandlers = NotifyConnectionStateHandler;
Device.Connect(host, userName, password);
disconnectedTokenSource = new CancellationTokenSource();
var disconnectedToken = disconnectedTokenSource.Token;
processMessagesTask = Task.Run(() => ProcessMessages(disconnectedToken), cancellationToken);
try
{
await connected.Task;
}
catch (Exception e)
{
log.Error(l => l(LogMessages.ConnectFailed), e);
disconnected.TrySetResult(true);
DisconnectAsync();
throw;
}
}