private async Task RetryConnect(Exception ex)
{
if (!_connectLock.Wait(0))
{
// someone is already connecting
return;
}
try
{
if (ex != null)
{
ConnectStats.AddException(ex);
Interlocked.Increment(ref ConnectStats.ErrorCount);
}
var reconnectNow = DateTime.UtcNow;
while (true)
{
try
{
// delay a random value < 3s
await Task.Delay(new Random((int)Stopwatch.GetTimestamp()).Next(MinReconnectWaitMilliseconds, MaxReconnectWaitMilliseconds));
await ConnectCore();
RecoverStats.SetElapsed(reconnectNow);
Interlocked.Increment(ref RecoverStats.SuccessCount);
break;
}
catch (Exception e)
{
RecoverStats.AddException(e);
Interlocked.Increment(ref RecoverStats.ErrorCount);
Interlocked.Increment(ref ConnectStats.ErrorCount);
}
}
}
finally
{
_connectLock.Release();
}
}
private async Task RetryConnect(Exception ex)
{
ConnectStats.AddException(ex);
Interlocked.Increment(ref ConnectStats.ErrorCount);
var reconnectNow = DateTime.Now;
while (true)
{
try
{
await Task.Delay(new Random((int)Stopwatch.GetTimestamp()).Next(300, 20000));
if (DateTime.Now > _lastAuthTime.AddMinutes(50))
{
// Reauth
await Connect();
}
else
{
// direct connect
await ConnectCore();
}
RecoverStats.SetElapsed(reconnectNow);
Interlocked.Increment(ref RecoverStats.SuccessCount);
break;
}
catch (Exception e)
{
RecoverStats.AddException(e);
Interlocked.Increment(ref RecoverStats.ErrorCount);
Interlocked.Increment(ref ConnectStats.NotSentCount);
// another round after 300
}
}
}