/// <summary>
/// Задача (пере)открытия сокета
/// </summary>
private void Connect()
{
Task.Factory.StartNew(() =>
{
var cancellationToken = cancellationTokenSource.Token;
Thread.CurrentThread.Name = "CQGC_CONN";
// количество попыток коделчения нужно ограничивать
int attempts = 0, attemptsLimit = 5;
var major = (int)ProtocolVersionMajor.PROTOCOL_VERSION_MAJOR;
var minor = (int)ProtocolVersionMinor.PROTOCOL_VERSION_MINOR;
Log.Info().Print($"Using CQG Continuum protocol v{major}.{minor}");
while (!cancellationToken.IsCancellationRequested)
{
var shouldSleep = false;
var shouldWait = false;
// если была ошибка авторизации, то мы не можем дальше продолжать попытки реконнекта
if (connectionStatus == ConnectionStatus.Terminated)
{
Log.Error().Print(
"Cancelling reconnection task",
LogFields.ConnectionStatus(connectionStatus),
LogFields.Login(settings?.Username)
);
break;
}
using (socketLock.Lock())
{
if (socket == null)
{
if (++attempts > attemptsLimit)
{
Log.Error().Print("CQG transport was stopped due to relogon attempts limit", LogFields.Login(settings?.Username));
break;
}
CreateAndOpenSocket();
shouldSleep = true;
}
else
{
switch (socket.State)
{
case WebSocketState.Open:
shouldWait = true;
break;
case WebSocketState.None:
case WebSocketState.Closed:
case WebSocketState.Closing:
case WebSocketState.Connecting:
default:
break;
}
}
}
if (shouldWait)
{
Log.Debug().Print("Waiting for task cancellation or connection error to reconnect");
// замораживаем поток в ожидании отмены всех задач или разрыва соединения сокета
if (WaitContinueOrCancel(cancellationToken, socketErrorEvent))
{
Log.Debug().Print(
"Task has been cancelled, thread exited",
LogFields.ConnectionStatus(connectionStatus),
LogFields.State(socket?.State),
LogFields.Login(settings?.Username)
);
return;
}
}
if (shouldSleep)
{
Log.Debug().Print(
$"Sleep for 10 sec",
LogFields.ConnectionStatus(connectionStatus),
LogFields.State(socket?.State),
LogFields.Login(settings?.Username)
);
Thread.Sleep(10000);
}
}
Log.Debug().Print(
$"Task completed, thread exited",
LogFields.ConnectionStatus(connectionStatus),
LogFields.State(socket?.State),
LogFields.Login(settings?.Username)
);
}, TaskCreationOptions.LongRunning);
}