/// <summary>
/// Processes all in-comming client command requests.
/// </summary>
/// <param name="sender">The current server to client connection channel.</param>
/// <param name="commandSend">The command send by the client context.</param>
private void SocketServer_OnCommandSend(UdpSimpleContext sender, string commandSend)
{
try
{
// Clear last error.
ClearLastError();
// Process the command.
switch (commandSend.ToUpper())
{
case "RECEIVED":
try
{
// If receiver handler has been set.
if (_receivedHandler != null)
{
// Send to client.
_receivedHandler(this, sender._readBuffer.Take(sender.DataReceiverBytesRead).ToArray(), sender.Client);
}
}
catch { }
// Data has been received.
DataReceived();
break;
}
}
catch (Exception ex)
{
SetLastError(ex);
}
}
/// <summary>
/// Create a new instance of the server context type.
/// </summary>
private void CreateServerContext()
{
try
{
// Create a new instance of the server context type
UdpSimpleContext context = new UdpSimpleContext(_specificAddressFamily);
context.Socket = _socket;
context.ReceiveSocketFlags = _receiveSocketFlags;
context.SendSocketFlags = _sendSocketFlags;
context.ReadBufferSize = READ_BUFFER_SIZE;
context.WriteBufferSize = WRITE_BUFFER_SIZE;
context.Server = this;
// Create a new client data receive handler, this event
// handles commands from the current client.
context.OnCommandSend +=
new UdpSimpleContextHandler(SocketServer_OnCommandSend);
// Increment the count.
IncrementCount();
// Lock the socket receive process.
lock (LockingSocket)
{
// Start receiving data from the client.
_socket.BeginReceiveFrom(context._readBuffer, 0, context.ReadBufferSize,
context.ReceiveSocketFlags, ref context.RemoteClient,
new AsyncCallback(context.DataReceiver), context);
}
}
catch (Exception ex)
{
SetLastError(ex);
}
}
