/// <summary>
/// Runs the server
/// </summary>
public void Start(object state)
{
NetBuffer buffer = new NetBuffer(bufferSize);
CancellationToken cts = (CancellationToken)state;
while (true)
{
// Listen for a new connection
server.Listen(1);
using (Socket socket = server.Accept())
{
// Attempt pairing with the new client
socket.Receive(buffer);
// Receive the dimensions of the image
uint requestedWidth = buffer.GetUInt(0);
uint requestedHeight = buffer.GetUInt(4);
// Dimesions are too large
if (requestedHeight > MAX_DIMENSION_SIZE || requestedWidth > MAX_DIMENSION_SIZE)
{
socket.Send(buffer.Reset().Write(DIMENSIONS_TOO_LARGE));
continue;
}
// Sends the dimensions to client to verify
socket.Send(buffer);
socket.Receive(buffer);
// Dimensions mismatch
if (requestedHeight != buffer.GetUInt(4) || requestedWidth != buffer.GetUInt(0))
{
socket.Send(buffer.Write(DIMENSIONS_MISMATCH));
continue;
}
StreamImage image = new StreamImage((int)requestedWidth, (int)requestedHeight);
IndexCompressor compressor = new IndexCompressor(requestedWidth, requestedHeight, 0x01000000);
// Initialize image
socket.Send(buffer.Reset().Write(REQUEST_IMAGE));
int x = 0;
int y = 0;
bool ended = false;
do
{
socket.Receive(buffer);
int i = 0;
while (i < buffer.Length - sizeof(int))
{
image.SetPixel(x, y, buffer.GetInt(i));
i += sizeof(int);
x++;
if (x >= requestedWidth)
{
x = 0;
y++;
}
}
if (buffer.GetUInt(i) == END_OF_IMAGE)
{
ended = true;
}
else
{
image.SetPixel(x, y, buffer.GetInt(i));
x++;
if (x >= requestedWidth)
{
x = 0;
y++;
}
}
} while (!ended);
OnConnectionAstablished?.Invoke(image.Width, image.Height, image.image, this);
socket.Send(buffer.Reset().Write(PAIR_SUCCESSFUL));
IIndexable pixel = new RISPImagePixel();
// Start streaming loop
while (true)
{
try
{
socket.Receive(buffer);
if (buffer.GetULong(0) == TERMINATE_CONNECTION)
{
break;
}
int index = 0;
RISPImagePixel[] diffrences = new RISPImagePixel[buffer.Length / sizeof(ulong)];
while (index < buffer.Length)
{
ulong compressedValue = buffer.GetULong(index);
compressor.Decompress(compressedValue, ref pixel);
RISPImagePixel iPixel = (RISPImagePixel)pixel;
System.Console.WriteLine(iPixel.color.ToString("X"));
diffrences[index / sizeof(ulong)] = iPixel;
image.SetPixel((int)iPixel.x, (int)iPixel.y, new RGB((int)iPixel.color));
index += sizeof(ulong);
}
// Call stream updates
if (diffrences.Length > 0)
{
OnStreamUpdate?.Invoke(diffrences, this);
}
}
catch (SocketException)
{
break;
}
}
}
}
}