reactos/dll/win32/mswsock/extensions.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS WinSock DLL
* FILE: stubs.c
* PURPOSE: WSAIoctl wrappers for Microsoft extensions to Winsock
* PROGRAMMERS: KJK::Hyperion <hackbunny@reactos.com>
* REVISIONS:
*/
#include "precomp.h"
#include <winsock2.h>
#include <mswsock.h>
LPFN_TRANSMITFILE pfnTransmitFile = NULL;
LPFN_GETACCEPTEXSOCKADDRS pfnGetAcceptExSockaddrs = NULL;
LPFN_ACCEPTEX pfnAcceptEx = NULL;
/*
* @implemented
*/
BOOL
WINAPI
TransmitFile(SOCKET Socket,
HANDLE File,
DWORD NumberOfBytesToWrite,
DWORD NumberOfBytesPerSend,
LPOVERLAPPED Overlapped,
LPTRANSMIT_FILE_BUFFERS TransmitBuffers,
DWORD Flags)
{
GUID TransmitFileGUID = WSAID_TRANSMITFILE;
DWORD cbBytesReturned;
if (WSAIoctl(Socket,
SIO_GET_EXTENSION_FUNCTION_POINTER,
&TransmitFileGUID,
sizeof(TransmitFileGUID),
&pfnTransmitFile,
sizeof(pfnTransmitFile),
&cbBytesReturned,
NULL,
NULL) == SOCKET_ERROR)
{
return FALSE;
}
return pfnTransmitFile(Socket,
File,
NumberOfBytesToWrite,
NumberOfBytesPerSend,
Overlapped,
TransmitBuffers,
Flags);
}
/*
* @implemented
*/
BOOL
WINAPI
AcceptEx(SOCKET ListenSocket,
SOCKET AcceptSocket,
PVOID OutputBuffer,
DWORD ReceiveDataLength,
DWORD LocalAddressLength,
DWORD RemoteAddressLength,
LPDWORD BytesReceived,
LPOVERLAPPED Overlapped)
{
GUID AcceptExGUID = WSAID_ACCEPTEX;
GUID GetAcceptExSockaddrsGUID = WSAID_GETACCEPTEXSOCKADDRS;
DWORD cbBytesReturned;
if (WSAIoctl(ListenSocket,
SIO_GET_EXTENSION_FUNCTION_POINTER,
&AcceptExGUID,
sizeof(AcceptExGUID),
&pfnAcceptEx,
sizeof(pfnAcceptEx),
&cbBytesReturned,
NULL,
NULL) == SOCKET_ERROR)
{
return FALSE;
}
if (WSAIoctl(ListenSocket,
SIO_GET_EXTENSION_FUNCTION_POINTER,
&GetAcceptExSockaddrsGUID,
sizeof(GetAcceptExSockaddrsGUID),
&pfnGetAcceptExSockaddrs,
sizeof(pfnGetAcceptExSockaddrs),
&cbBytesReturned,
NULL,
NULL) == SOCKET_ERROR)
{
pfnAcceptEx = NULL;
return FALSE;
}
return pfnAcceptEx(ListenSocket,
AcceptSocket,
OutputBuffer,
ReceiveDataLength,
LocalAddressLength,
RemoteAddressLength,
BytesReceived,
Overlapped);
}
/*
* @implemented
*/
VOID
WINAPI
GetAcceptExSockaddrs(PVOID OutputBuffer,
DWORD ReceiveDataLength,
DWORD LocalAddressLength,
DWORD RemoteAddressLength,
LPSOCKADDR* LocalSockaddr,
LPINT LocalSockaddrLength,
LPSOCKADDR* RemoteSockaddr,
LPINT RemoteSockaddrLength)
{
if (pfnGetAcceptExSockaddrs)
{
pfnGetAcceptExSockaddrs(OutputBuffer,
ReceiveDataLength,
LocalAddressLength,
RemoteAddressLength,
LocalSockaddr,
LocalSockaddrLength,
RemoteSockaddr,
RemoteSockaddrLength);
}
}
/* EOF */