protected internal bool connect()
{
bool result = false;
bool startReader = false;
lock (lockSocket)
{
if (mrSocket == null)
{
#if LOGGER
logger.Info("Connecting to {0}:{1}", hostname, port);
#endif
try
{
mrSocket = new SocketConnection(hostname, port, socketEncoding);
result = mrSocket.IsConnected;
}
#if LOGGER
catch (Exception ex)
{
logger.Info("Connect - Exception : {0}", ex.Message);
#else
catch
{
#endif
result = false;
}
if (result)
{
if (this.mrReader == null)
{
mrReader = new ManagerReader(this);
mrReaderThread = new Util.ThreadClass(new ThreadStart(this.mrReader.Run), "ManagerReader-" + DateTime.Now.Second);
mrReader.Socket = mrSocket;
startReader = true;
}
else
mrReader.Socket = mrSocket;
mrReader.Reinitialize();
}
else
mrSocket = null;
}
}
if (startReader)
mrReaderThread.Start();
return IsConnected();
}
/// <summary> Closes the socket connection.</summary>
private void disconnect(bool withDie)
{
lock (lockSocket)
{
if (withDie)
{
reconnectEnable = false;
reconnected = false;
enableEvents = true;
}
if (mrReader != null)
{
if (withDie)
{
mrReader.Die = true;
mrReader = null;
}
else
mrReader.Socket = null;
}
if (this.mrSocket != null)
{
mrSocket.Close();
mrSocket = null;
}
responseEventHandlers.Clear();
responseHandlers.Clear();
pingHandlers.Clear();
}
}
/// <summary>
/// Async Read callback
/// </summary>
/// <param name="ar">IAsyncResult</param>
private void mrReaderCallbback(IAsyncResult ar)
{
// mreader = Mr.Reader
ManagerReader mrReader = (ManagerReader)ar.AsyncState;
if (mrReader.die)
{
return;
}
SocketConnection mrSocket = mrReader.mrSocket;
if (mrSocket == null || mrSocket.TcpClient == null)
{
// No socket - it's DISCONNECT !!!
disconnect = true;
return;
}
NetworkStream nstream = mrSocket.NetworkStream;
if (nstream == null)
{
// No network stream - it's DISCONNECT !!!
disconnect = true;
return;
}
try
{
int count = nstream.EndRead(ar);
if (count == 0)
{
// No received data - it's may be DISCONNECT !!!
if (!is_logoff)
{
disconnect = true;
}
return;
}
string line = mrSocket.Encoding.GetString(mrReader.lineBytes, 0, count);
mrReader.lineBuffer += line;
int idx;
// \n - because not all dev in Digium use \r\n
// .Trim() kill \r
lock (((ICollection)lineQueue).SyncRoot)
while (!string.IsNullOrEmpty(mrReader.lineBuffer) && (idx = mrReader.lineBuffer.IndexOf("\n")) >= 0)
{
line = idx > 0 ? mrReader.lineBuffer.Substring(0, idx).Trim() : string.Empty;
mrReader.lineBuffer = (idx + 1 < mrReader.lineBuffer.Length ? mrReader.lineBuffer.Substring(idx + 1) : string.Empty);
lineQueue.Enqueue(line);
}
// Give a next portion !!!
nstream.BeginRead(mrReader.lineBytes, 0, mrReader.lineBytes.Length, mrReaderCallbback, mrReader);
}
#if LOGGER
catch (Exception ex)
{
mrReader.logger.Error("Read data error", ex.Message);
#else
catch
{
#endif
// Any catch - disconncatch !
disconnect = true;
if (mrReader.mrSocket != null)
{
mrReader.mrSocket.Close();
}
mrReader.mrSocket = null;
}
}