private void WriteMessageWorker()
{
while (true)
{
_writerThreadReady.Set();
_writerThreadWrite.WaitOne();
// Are we shutting down?
if (_stopEvent.WaitOne(0, false))
{
return;
}
try
{
if (_socket == null)
{
throw new InvalidOperationException("No server connection has been established.");
}
string id = "N/A";
if (_writerEventArgs.MessageToSend is IMqttIdMessage)
{
id = ((IMqttIdMessage)_writerEventArgs.MessageToSend).MessageId.ToString();
}
byte[] sendBuffer = _writerEventArgs.MessageToSend.Serialize();
_logger.LogMessage("Socket", LogLevel.Verbose,
"Sending message type " + _writerEventArgs.MessageToSend.MessageType +
", QOS=" + _writerEventArgs.MessageToSend.QualityOfService +
", ID=" + id);
GetStream().Send(sendBuffer);
}
catch (ErrorContextException ex)
{
string msg = "Error sending message " + _writerEventArgs.MessageToSend.MessageType + ". " + ex.Message;
if (ex.InnerException != null)
{
msg += ". Inner exception=" + ex.InnerException;
}
_logger.LogMessage("Socket", LogLevel.Verbose, msg);
_writerEventArgs.AdditionalErrorInfo = ex.Message;
_writerEventArgs.SocketException = ex.InnerException ?? ex;
}
catch (Exception ex)
{
string msg = "Error sending message " + _writerEventArgs.MessageToSend.MessageType + ". " + ex.Message;
if (ex.InnerException != null)
{
msg += ". Inner exception=" + ex.InnerException;
}
_logger.LogMessage("Socket", LogLevel.Verbose, msg);
_writerEventArgs.SocketException = ex;
}
finally
{
// If disconnecting, get off the writer thread so we can close it and join to it properly
var args = _writerEventArgs.Clone();
if (_writerEventArgs.MessageToSend.MessageType == MessageType.Disconnect)
{
FireOnCompletedNewThread(args.Clone());
}
else
{
args.Complete();
}
}
}
}
