private void Worker()
{
bool ShouldDoWork() => !_isDisposed && IsConnected && _cancellation?.IsCancellationRequested == false;
var lastOpReceivedAt = DateTime.UtcNow;
var ping = false;
while (ShouldDoWork())
{
try
{
if (ping)
{
ping = false;
_logger.Debug("Pinging due to silent server.");
Ping();
}
foreach (var op in _connection.ReadOp())
{
lastOpReceivedAt = DateTime.UtcNow;
_opMediator.Emit(op);
switch (op)
{
case PingOp _ when _connectionInfo.AutoRespondToPing && ShouldDoWork():
Pong();
break;
case ErrOp errOp:
throw NatsException.ClientReceivedErrOp(errOp);
}
}
}
catch (NatsException nex) when(nex.ExceptionCode == NatsExceptionCodes.OpParserError)
{
throw;
}
catch (Exception ex)
{
if (!ShouldDoWork())
{
break;
}
_logger.Error("Worker got Exception.", ex);
if (ex.InnerException is SocketException socketEx)
{
// ReSharper disable once HeapView.BoxingAllocation
_logger.Error($"Worker task got SocketException with SocketErrorCode='{socketEx.SocketErrorCode}'");
if (socketEx.SocketErrorCode == SocketError.Interrupted)
{
break;
}
if (socketEx.SocketErrorCode != SocketError.TimedOut)
{
throw;
}
}
var silenceDeltaMs = DateTime.UtcNow.Subtract(lastOpReceivedAt).TotalMilliseconds;
if (silenceDeltaMs >= ConsumerMaxMsSilenceFromServer)
{
throw NatsException.ConnectionFoundIdling(_connection.ServerInfo.Host, _connection.ServerInfo.Port);
}
if (silenceDeltaMs >= ConsumerPingAfterMsSilenceFromServer)
{
ping = true;
}
}
}
}
private void Worker()
{
bool ShouldDoWork() => !_isDisposed && IsConnected && _cancellation?.IsCancellationRequested == false;
while (ShouldDoWork())
{
var lastOpReceivedAt = DateTime.UtcNow;
try
{
foreach (var op in _connection.ReadOp())
{
if (!ShouldDoWork())
{
break;
}
lastOpReceivedAt = DateTime.UtcNow;
_opMediator.Emit(op);
if (op is PingOp && _connectionInfo.AutoRespondToPing)
{
Pong();
}
if (op is ErrOp errOp)
{
throw NatsException.ClientReceivedErrOp(errOp);
}
}
}
catch (Exception ex)
{
if (!ShouldDoWork())
{
break;
}
_logger.Error("Worker got Exception.", ex);
if (ex.InnerException is SocketException socketEx)
{
_logger.Error($"Worker task got SocketException with SocketErrorCode='{socketEx.SocketErrorCode}'");
if (socketEx.SocketErrorCode == SocketError.Interrupted)
{
break;
}
if (socketEx.SocketErrorCode != SocketError.TimedOut)
{
throw;
}
}
var silenceDeltaMs = DateTime.UtcNow.Subtract(lastOpReceivedAt).TotalMilliseconds;
if (silenceDeltaMs >= ConsumerMaxMsSilenceFromServer)
{
throw NatsException.ConnectionFoundIdling(_connection.ServerInfo.Host, _connection.ServerInfo.Port);
}
if (silenceDeltaMs >= ConsumerPingAfterMsSilenceFromServer)
{
Ping();
}
}
}
}