public unsafe void Execute(UdpSocketSendResult target)
{
target.Pin(buffer.Data);
Overlapped overlapped = new Overlapped {
AsyncResult = target
};
NativeOverlapped *native = overlapped.UnsafePack(null, null);
IntPtr reference = Marshal.UnsafeAddrOfPinnedArrayElement(buffer.Data, buffer.Offset);
TcpSocketInterop.WSABuffer data = new TcpSocketInterop.WSABuffer
{
length = buffer.Count,
buffer = reference
};
byte[] address = endpoint.Address.GetAddressBytes();
byte[] addressData = { 0x02, 0x00, (byte)(endpoint.Port / 256), (byte)(endpoint.Port % 256), address[0], address[1], address[2], address[3], 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
IntPtr addressBuffer = Marshal.UnsafeAddrOfPinnedArrayElement(addressData, 0);
target.Pin(addressData);
int written;
uint result = UdpSocketInterop.WSASendTo(handle, &data, 1, out written, 0, addressBuffer, addressData.Length, native, IntPtr.Zero);
uint error = TcpSocketInterop.WSAGetLastError();
if (result != 0 && error != 997)
{
target.Fail(error);
}
}
public void Send(IPEndPoint endpoint, SocketBuffer buffer, UdpSocketSendCallback callback)
{
UdpSocketSendRoutine routine = new UdpSocketSendRoutine(handle, endpoint, buffer);
UdpSocketSendResult result = new UdpSocketSendResult
{
Socket = this,
Buffer = buffer,
OnSent = callback,
Endpoint = endpoint
};
routine.Execute(result);
}