public byte[] GetDataQ()
{
SVSEResponse response = (SVSEResponse)GoodQ.Dequeue();//There should be one response
byte[] rawData = new byte[BytesExpected];
long allPos = 0; //Keep track of position
while (DataQ.Count > 0) //Copy all data into one array
{
byte[] bytes = (byte[])DataQ.Dequeue();
bytes.CopyTo(rawData, allPos);
allPos += bytes.Length;
}
//first 4 have the length
byte[] data = new byte[rawData.Length - 4];
for (int i = 0; i < data.Length; i++)
{
data[i] = rawData[i + 4];
}
return(data);
}
void socketComm_OnDataIn(object sender, byte[] data)
{
string text = Encoding.ASCII.GetString(data);
_RESPONSE.Text = text.Substring(0, 16);//remove the CRLF
log.InfoFormat("Rcvd: {0}", _RESPONSE.Text);
if (_RESPONSE.Handle != null) //LOGIN, OPENDATA, HARTBEAT
{
_eventRESPONSE.Set(); //Execute the waiting method
}
else if (text.StartsWith("FAIL")) //Capture Failed
{
if (_POLLDATA.HandleWAIT != null)
{
_POLLDATA.HandleWAIT.Unregister(null); _POLLDATA.HandleWAIT = null;
} // Stop future execution of the callback method
if (_POLLDATA.HandleDONE != null)
{
_POLLDATA.HandleDONE.Unregister(null); _POLLDATA.HandleDONE = null;
} // Stop future execution of the callback method
_POLLDATA.ClearQs();
string description = "Capture failed! ";
switch (text)
{
case "FAILTRACTDNZFAIL": description += "The buffer is not full.";
break;
default: description += text;
break;
}
if (OnError.GetInvocationList().Length > 0)
{
OnError(this, new Exception(description));
}
}
else
{ //Capture Succeeded
if (text.Substring(8, 4) == "DONE")
{
// The server has finished sending data but it is possible that we
// have not received it all on the data port, so this will cause the
// callback method to run periodically until all the data is received
_POLLDATA.HandleWAIT = ThreadPool.RegisterWaitForSingleObject(
_eventCHECKDATA, //Register Wait Handle
new WaitOrTimerCallback(CallbackCHECKDATA), //Delegate/method to call when signaled
null, //Object passed to the delegate
msRecheckData, //Timeout
false);
_eventCHECKDATA.Set();//Check now
}
else
{ //Store the response
SVSEResponse response = new SVSEResponse();
response.Text = _currCommand.ToString();
response.Count = Convert.ToInt32(text.Substring(4, 4), 10);
response.Length = Convert.ToInt32(text.Substring(8, 4), 10);
_POLLDATA.GoodQ.Enqueue(response);
}
}
}
