private void ListeningServerLaunchClientThreads()
{
TcpListener listener = new TcpListener(IPAddress.Any, _port);
bool done_listening = false;
while (!done_listening)
{
SetText("Server : Launched listening at port = " + _port + "..\r\n");
listener.Start();
Socket socket = listener.AcceptSocket();
socket.ReceiveTimeout = 60000000;
SetText("Server : Client connection accepted..\r\n");
displayControl dc = (displayControl)_manageDispCtrl.getAvailableDisplayNotInUse();
if (dc == null)
{
SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : All screens occupied cannot add more connections. **ERROR** ..\r\n");
continue;
}
Thread thNewClient = new Thread(networkByteStreamToMatFrame);
thNewClient.Start(socket);
}
}
public void InitializeDispCtrls(object pan, object cib)
{
displayControl dc = new displayControl();
dc._ctrl = (Panel)pan;
dc._cibox = (ImageBox)cib;
dc.inUse = false;
////
((System.ComponentModel.ISupportInitialize)(dc._cibox)).BeginInit();
dc._ctrl.Controls.Add((ImageBox)cib);
dc._cibox.Dock = System.Windows.Forms.DockStyle.Fill;
dc._cibox.Location = new System.Drawing.Point(0, 0);
dc._cibox.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
dc._cibox.Name = "captureImageBox" + (++nCounter);
dc._cibox.Size = new System.Drawing.Size(298, 202);
dc._cibox.TabIndex = 1;
dc._cibox.TabStop = false;
((System.ComponentModel.ISupportInitialize)(dc._cibox)).EndInit();
dc.id = _displayCtrl.Count + 1;
_displayCtrl.Add(dc);
}
private void networkByteStreamToMatFrame(object sock)
{
Socket socket = (Socket)sock;
byte[] extaLeftOver = { };
bool done = false;
int lastfilesize = 0;
SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : Streaming Started..\r\n");
displayControl dc = (displayControl)_manageDispCtrl.getAvailableDisplayNotInUse();
if (dc == null)
{
SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : All screens occupied cannot add more connections. **ERROR** ..\r\n");
return;
}
_cibox = (dc)._cibox;
_manageDispCtrl.setDisplayIndexInUSe(_cibox);
SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : delegated to screen [" + dc.id + "]..\r\n");
//ImageBox im3 = ((displayControl)_manageDispCtrl.getAvailableDisplayNotInUse())._cibox;
//_manageDispCtrl.setDisplayIndexInUSe(im3);
//ImageBox im4 = ((displayControl)_manageDispCtrl.getAvailableDisplayNotInUse())._cibox;
//_manageDispCtrl.setDisplayIndexInUSe(im4);
while (!done)
{
Dictionary <string, string> headers = new Dictionary <string, string>();
if (extaLeftOver.Length == 0)
{
try
{
socket.Receive(header);
}
catch (ObjectDisposedException ode)
{
done = true;
}
catch (SocketException se)
{
if (se.ErrorCode == 10054)
{
socket.Close();
}
done = true;
}
}
else
{
byte[] headerExtracted = SubArray(extaLeftOver, 0, 1024); // assuming constant hearder size 1024
byte[] streamBuffer = SubArray(extaLeftOver, 1024, extaLeftOver.Length - 1024);
}
//SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : Header received..\r\n");
string headerStr = Encoding.ASCII.GetString(header);
string[] splitted = headerStr.Split(new string[] { "\r\n" }, StringSplitOptions.None);
foreach (string s in splitted)
{
if (s.Contains(":"))
{
headers.Add(s.Substring(0, s.IndexOf(":")), s.Substring(s.IndexOf(":") + 1));
}
}
try
{
int filesize = Convert.ToInt32(headers["Content-length"]);
//Get filesize from header
if (filesize != lastfilesize)
{
SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : Updated file size = " + filesize + "..\r\n");
Array.Resize(ref buffer, filesize);
}
lastfilesize = filesize;
byte[] temp = { };
int recvsize = 0;
while (recvsize < filesize)
{
int size = socket.Receive(buffer, SocketFlags.None);
if (size > filesize - recvsize)
{
int wastedBytes = (size - (filesize - recvsize));
//SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : Data Wasted = " + wastedBytes + "....\r\n");
size = filesize - recvsize;
extaLeftOver = SubArray(buffer, size - 1, wastedBytes);
}
temp = temp.Concat(buffer.Take(size)).ToArray();
recvsize += size;
}
_cibox.Image = _camMemSerialDeserial.Deserialize <matFrameWrapper>(temp).MyProperty;
string ackString = "DONE";
byte[] ackFrame = new byte[ackString.Length];
Array.Copy(Encoding.ASCII.GetBytes(ackString), ackFrame, Encoding.ASCII.GetBytes(ackString).Length);
socket.Send(ackFrame);
}
catch (Exception e)
{
continue;
}
}
SetText("Server[" + Thread.CurrentThread.ManagedThreadId + "] : Streaming Stopped..\r\n");
_manageDispCtrl.ResetDisplayIndexInUSe(_cibox);
}
