public void TcpOnRecievedData(IAsyncResult ar)
{
String sGPS;
// Get The connection socket from the callback
TCPSockets tcpSockets = (TCPSockets)ar.AsyncState;
try
{
// Get The data , if any
int nBytesRec = tcpSockets.socket.EndReceive(ar);
if (nBytesRec > 0)
{
sGPS = System.Text.Encoding.ASCII.GetString(tcpSockets.byTcpBuffer, 0, nBytesRec);
try
{
if (m_GpsTracker.m_MessageMonitor != null)
{
m_GpsTracker.m_MessageMonitor.AddMessageTCPUDPRaw(sGPS);
}
}
catch (Exception)
{
m_GpsTracker.m_MessageMonitor = null;
}
tcpSockets.sStream += sGPS;
int iIndex = -1;
char [] cEOL = { '\n', '\r' };
string sData = "";
do
{
iIndex = tcpSockets.sStream.IndexOfAny(cEOL);
if (iIndex >= 0)
{
sData = tcpSockets.sStream.Substring(0, iIndex);
sData = sData.Trim(cEOL);
tcpSockets.sStream = tcpSockets.sStream.Remove(0, iIndex + 1);
if (sData != "")
{
m_GpsTracker.ShowGPSIcon(sData.ToCharArray(), sData.Length, false, tcpSockets.iDeviceIndex, false, true, 0, 0);
}
}
}while(iIndex >= 0);
}
AsyncCallback recieveData = new AsyncCallback(TcpOnRecievedData);
// Begin reading data asyncronously
tcpSockets.socket.BeginReceive(tcpSockets.byTcpBuffer, 0, tcpSockets.byTcpBuffer.Length, SocketFlags.None, recieveData, tcpSockets);
}
catch (Exception)
{
}
}
//
// UDP TCP Functions
//
public void TcpConnectCallback(IAsyncResult ar)
{
#if !DEBUG
try
#endif
{
// Get The connection socket from the callback
TCPSockets tcpSockets = (TCPSockets)ar.AsyncState;
if (tcpSockets.socket.Connected)
{
// Define a new Callback to read the data
AsyncCallback recieveData = new AsyncCallback(TcpOnRecievedData);
// Begin reading data asyncronously
tcpSockets.socket.BeginReceive(tcpSockets.byTcpBuffer, 0, tcpSockets.byTcpBuffer.Length, SocketFlags.None, recieveData, tcpSockets);
}
}
#if !DEBUG
catch (Exception)
{
}
#endif
}
public void UdpReceiveData(IAsyncResult iar)
{
try
{
String sGPS;
// Create temporary remote end Point
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
EndPoint tempRemoteEP = (EndPoint)sender;
// Get the Socket
TCPSockets tcpSockets = (TCPSockets)iar.AsyncState;
Socket remote = tcpSockets.socketUDP;
// Call EndReceiveFrom to get the received Data
int nBytesRec = remote.EndReceiveFrom(iar, ref tempRemoteEP);
if (nBytesRec > 0)
{
sGPS = System.Text.Encoding.ASCII.GetString(tcpSockets.byTcpBuffer, 0, nBytesRec);
try
{
if (m_GpsTracker.m_MessageMonitor != null)
{
m_GpsTracker.m_MessageMonitor.AddMessageTCPUDPRaw(sGPS);
}
}
catch (Exception)
{
m_GpsTracker.m_MessageMonitor = null;
}
tcpSockets.sStream += sGPS;
int iIndex = -1;
char [] cEOL = { '\n', '\r' };
string sData = "";
do
{
iIndex = tcpSockets.sStream.IndexOfAny(cEOL);
if (iIndex >= 0)
{
sData = tcpSockets.sStream.Substring(0, iIndex);
sData = sData.Trim(cEOL);
tcpSockets.sStream = tcpSockets.sStream.Remove(0, iIndex + 1);
if (sData != "")
{
m_GpsTracker.ShowGPSIcon(sData.ToCharArray(), sData.Length, false, tcpSockets.iDeviceIndex, false, true, 0, 0);
}
}
}while(iIndex >= 0);
}
GPSSource gpsSource = (GPSSource)m_GpsTracker.m_gpsSourceList[tcpSockets.iDeviceIndex];
EndPoint endPoint = new IPEndPoint(IPAddress.Any, Convert.ToInt32(gpsSource.iUDPPort));
remote.BeginReceiveFrom(tcpSockets.byTcpBuffer, 0, 1024, SocketFlags.None, ref endPoint, new AsyncCallback(UdpReceiveData), tcpSockets);
}
catch (Exception)
{
}
}
