internal void ReceiveDataAndEnqueue()
{
log.Context = System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.FullName + "." + System.Reflection.MethodBase.GetCurrentMethod().Name;
log.WriteLog("ReceiveData and Enqueue thread started...");
string s;
int iCRat, iCRcount;
string [] sa;
int length = 0;
string sLastErrorMessage = "";
while (!m_bDone)
{
try
{
try
{
m_NetworkStream = m_TCPClient.GetStream();
System.IAsyncResult asr = m_NetworkStream.BeginRead(m_bytesIncomingBuffer,m_iBufferLength,m_iBufferMaxLength -
m_iBufferLength,null,null);
while (!asr.IsCompleted && !m_bDone)
{
System.Threading.Thread.Sleep(100);
}
if (m_bDone)
{
continue;
}
//asr.AsyncWaitHandle.WaitOne();
length = m_NetworkStream.EndRead(asr);
}
catch (System.IO.IOException ioex)
{
if (null != ioex.InnerException)
{
if (ioex.InnerException is System.Net.Sockets.SocketException)
{
int iErrorCode = ((System.Net.Sockets.SocketException)ioex.InnerException).ErrorCode;
string sErrorMessage = ((System.Net.Sockets.SocketException)ioex.InnerException).Message;
sLastErrorMessage = "ReceiveDataAndEnqueue: Error Code = " + iErrorCode.ToString() + " Description = " + sErrorMessage;
}
else
{
sLastErrorMessage = "ReceiveDataAndEnqueue: Unknown Error detected. Description = " + ioex.Message;
}
log.WriteLog(sLastErrorMessage);
}
m_bDone = true;
m_bConnected = false;
}
catch (System.Exception ex)
{
sLastErrorMessage = "ReceiveDataAndEnqueue: Unknown Error detected. Description = " + ex.Message;
log.WriteLog(sLastErrorMessage);
m_bDone = true;
m_bConnected = false;
}
if(!m_bConnected)
{
OnConnectionErrorReceived(this,sLastErrorMessage);
continue;
}
if (m_bDone)
continue;
if (0 == length)
{ // connection must have been reset
m_bDone = true;
m_bConnected = false;
continue;
}
m_iBufferLength += length;
// find all the messages in the stream
iCRcount = 0;
for (int i = 0; i < m_iBufferLength; i++)
{
if (m_bytesIncomingBuffer[i] == 13)
iCRcount++;
} // for
// post all messages from the stream
for (int i = 0; i < iCRcount; i++)
{
s = System.Text.Encoding.ASCII.GetString(m_bytesIncomingBuffer);
s = s.Substring(0,m_iBufferLength);
iCRat = s.IndexOf((char)13);
if (-1 != iCRat)
{
int iLen;
s = s.Substring(0,iCRat);
iLen = s.Length + 1;
m_iBufferLength -= iLen;
m_sLastResponse = s;
lock (m_qCommands.SyncRoot)
{
OysterEncoder.Command cmd;
string [] saParams;
sa = OysterEncoder.Command.DecodeCommand(System.Text.Encoding.ASCII.GetBytes(s),s.Length);
if (sa.Length > 1)
{
saParams = new string[sa.Length - 1];
Array.Copy(sa,1,saParams,0,sa.Length - 1);
cmd = new OysterEncoder.Command(sa[0],saParams);
}
else
{
cmd = new OysterEncoder.Command(sa[0],null);
}
m_qCommands.Enqueue(cmd);
}
byte [] bytes = new byte[m_iBufferLength];
Array.Copy(m_bytesIncomingBuffer,0,bytes,0,m_iBufferLength);
OysterEncoder.CommandEventArgs cea = new OysterEncoder.CommandEventArgs(bytes, ref m_qCommands);
OnMessageReceived(cea);
m_EventMessageAvailable.Set();
Array.Copy(m_bytesIncomingBuffer,iLen,m_bytesIncomingBuffer,0,m_iBufferLength);
Array.Clear(m_bytesIncomingBuffer,m_iBufferLength,m_iBufferMaxLength - m_iBufferLength);
} // if
} // for
}
catch (System.Exception ex)
{
log.WriteLog("Exception: " + ex.Message);
}
} // while
m_EventThreadComplete.Set();
}
public static OysterEncoder.Command CommandFromString(string CommandAsString)
{
OysterEncoder.Command cmd;
string [] sa;
string [] saParams;
sa = OysterEncoder.Command.DecodeCommand(System.Text.Encoding.ASCII.GetBytes(CommandAsString),CommandAsString.Length);
if (sa.Length > 1)
{
saParams = new string[sa.Length - 1];
Array.Copy(sa,1,saParams,0,sa.Length - 1);
cmd = new OysterEncoder.Command(sa[0],saParams);
}
else
{
cmd = new OysterEncoder.Command(sa[0],null);
}
return cmd;
}
