private void PushThreadMethod()
{
try
{
while (State == ResonanceComponentState.Connected)
{
List <byte[]> dataCollection = new List <byte[]>();
var data = _pushQueue.BlockDequeue();
if (data == null)
{
return;
}
var first = true;
while (_pushQueue.Count > 0 || first)
{
if (!first)
{
data = _pushQueue.BlockDequeue();
}
else
{
first = false;
}
dataCollection.Add(data);
}
if (dataCollection.Count > 0)
{
byte[] allData = dataCollection.SelectMany(a => a).ToArray();
try
{
OnWrite(allData);
}
catch
{
return;
}
}
System.Threading.Thread.Sleep(QueueWriteModeInterval);
}
}
catch (System.Threading.ThreadAbortException)
{
//Ignore
}
catch (Exception ex)
{
OnFailed(ex, "Unexpected occurred on adapter write queue.");
}
}
private void DispatchMessages()
{
while (true)
{
var action = _actions.BlockDequeue();
if (action == null)
{
return;
}
action();
}
}
private void IncomingQueueThreadMethod()
{
Logger.LogInformation("Message processing thread started...");
while (State == ResonanceComponentState.Connected)
{
try
{
byte[] data = _incomingQueue.BlockDequeue();
if (data == null)
{
Logger.LogInformation("Message processing thread terminated.");
return;
}
if (_expectedSegments == 0)
{
_expectedSegments = BitConverter.ToInt32(data, 0);
_expectedSegmentsCheckSum = data.Skip(4).Take(16).ToArray();
byte[] segment = data.TakeFrom(20);
if (_expectedSegments == 1) //Take the shortcut if only one.
{
_expectedSegments = 0;
var checkSum = MD5.Create().ComputeHash(segment);
if (checkSum.SequenceEqual(_expectedSegmentsCheckSum))
{
OnDataAvailable(segment);
}
else
{
Logger.LogError("Message check sum failed. The message will be ignored.");
}
}
else
{
_receivedSegments.Add(segment);
}
}
else
{
_receivedSegments.Add(data);
if (_receivedSegments.Count == _expectedSegments)
{
List <byte> allData = new List <byte>();
foreach (var segment in _receivedSegments)
{
allData.AddRange(segment);
}
_expectedSegments = 0;
_receivedSegments.Clear();
byte[] allDataBytes = allData.ToArray();
var checkSum = MD5.Create().ComputeHash(allDataBytes);
if (checkSum.SequenceEqual(_expectedSegmentsCheckSum))
{
OnDataAvailable(allDataBytes);
}
else
{
Logger.LogError("Message check sum failed. The message will be ignored.");
}
}
}
}
catch (Exception ex)
{
Logger.LogError(ex, "Error occurred while processing incoming data.");
}
}
}