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/*
* Copyright (C) 2007-2023 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/compat/win32.h"
#ifdef WIN32
#define deffunc( name ) \
Bu::Winsock2::FNDEF_DYN_ ##name Bu::Winsock2::_fnptr_ ##name = NULL
char Bu::Winsock2::scode[32];
deffunc( WSAStartup );
deffunc( WSACleanup );
deffunc( WSAGetLastError );
deffunc( inet_ntoa );
deffunc( inet_addr );
deffunc( select );
deffunc( socket );
deffunc( shutdown );
deffunc( ioctlsocket );
deffunc( htons );
deffunc( htonl );
deffunc( gethostbyname );
deffunc( freeaddrinfo );
deffunc( getaddrinfo );
deffunc( connect );
deffunc( getpeername );
deffunc( setsockopt );
deffunc( bind );
deffunc( listen );
deffunc( accept );
deffunc( recv );
deffunc( send );
deffunc( __WSAFDIsSet );
// Safely get a function from the library
#define getfunc( name ) \
Bu::Winsock2::_fnptr_ ##name = (FNDEF_DYN_ ##name) \
GetProcAddress( Ws2_32, #name ); \
if( Bu::Winsock2::_fnptr_ ##name == NULL ) { \
throw Bu::ExceptionBase("Error loading function " #name " from dll.");\
} (void)0
Bu::Winsock2::Winsock2()
{
Ws2_32 = LoadLibrary(TEXT("WS2_32.DLL"));
getfunc( WSAStartup );
getfunc( WSACleanup );
getfunc( WSAGetLastError );
getfunc( inet_ntoa );
getfunc( inet_addr );
getfunc( select );
getfunc( socket );
getfunc( shutdown );
getfunc( ioctlsocket );
getfunc( htons );
getfunc( htonl );
getfunc( gethostbyname );
getfunc( freeaddrinfo );
getfunc( getaddrinfo );
getfunc( connect );
getfunc( getpeername );
getfunc( setsockopt );
getfunc( bind );
getfunc( listen );
getfunc( accept );
getfunc( recv );
getfunc( send );
getfunc( __WSAFDIsSet );
Bu::Winsock2::WSAStartup( MAKEWORD(2, 2), &wsaData );
}
Bu::Winsock2::~Winsock2()
{
Bu::Winsock2::WSACleanup();
FreeLibrary( Ws2_32 );
}
char *Bu::Winsock2::gai_strerror( int iCode )
{
sprintf( scode, "%d (%d)", iCode, Bu::Winsock2::WSAGetLastError() );
return scode;
}
int Bu::Winsock2::WSAStartup( WORD a, LPWSADATA b ) {
return (*Bu::Winsock2::_fnptr_WSAStartup)( a, b );
}
int Bu::Winsock2::WSACleanup( ) {
return (*Bu::Winsock2::_fnptr_WSACleanup)();
}
int Bu::Winsock2::WSAGetLastError( ) {
return (*Bu::Winsock2::_fnptr_WSAGetLastError)();
}
char * Bu::Winsock2::inet_ntoa( struct in_addr a ) {
return (*Bu::Winsock2::_fnptr_inet_ntoa)( a );
}
unsigned long Bu::Winsock2::inet_addr( const char *s_in ) {
return (*Bu::Winsock2::_fnptr_inet_addr)( s_in );
}
int Bu::Winsock2::select( int a, fd_set *b, fd_set *c, fd_set *d,
const struct timeval *e ) {
return (*Bu::Winsock2::_fnptr_select)( a, b, c, d, e );
}
SOCKET Bu::Winsock2::socket( int domain, int type, int protocol ) {
return (*Bu::Winsock2::_fnptr_socket)( domain, type, protocol );
}
int Bu::Winsock2::shutdown( SOCKET s, int how ) {
return (*Bu::Winsock2::_fnptr_shutdown)( s, how );
}
int Bu::Winsock2::ioctlsocket( SOCKET s, long cmd, u_long *argp ) {
return (*Bu::Winsock2::_fnptr_ioctlsocket)( s, cmd, argp );
}
u_short Bu::Winsock2::htons( u_short in ) {
return (*Bu::Winsock2::_fnptr_htons)( in );
}
u_long Bu::Winsock2::htonl( u_long in ) {
return (*Bu::Winsock2::_fnptr_htonl)( in );
}
struct hostent * Bu::Winsock2::gethostbyname( const char *name ) {
return (*Bu::Winsock2::_fnptr_gethostbyname)( name );
}
void Bu::Winsock2::freeaddrinfo( struct addrinfo *ai ) {
return (*Bu::Winsock2::_fnptr_freeaddrinfo)( ai );
}
int Bu::Winsock2::getaddrinfo( const char *a, const char *b,
const struct addrinfo *c, struct addrinfo **d ) {
return (*Bu::Winsock2::_fnptr_getaddrinfo)( a, b, c, d );
}
int Bu::Winsock2::connect( SOCKET s, const struct sockaddr *a, int b ) {
return (*Bu::Winsock2::_fnptr_connect)( s, a, b );
}
int Bu::Winsock2::getpeername( SOCKET s, struct sockaddr *a, int *b ) {
return (*Bu::Winsock2::_fnptr_getpeername)( s, a, b);
}
int Bu::Winsock2::setsockopt( SOCKET s, int a, int b,
const char *c, int d ) {
return (*Bu::Winsock2::_fnptr_setsockopt)( s, a, b, c, d );
}
int Bu::Winsock2::bind( SOCKET s, const struct sockaddr *a, int b ) {
return (*Bu::Winsock2::_fnptr_bind)( s, a, b );
}
int Bu::Winsock2::listen( SOCKET s, int backlog ) {
return (*Bu::Winsock2::_fnptr_listen)( s, backlog );
}
SOCKET Bu::Winsock2::accept( SOCKET s, struct sockaddr *a, int *b ) {
return (*Bu::Winsock2::_fnptr_accept)( s, a, b );
}
int Bu::Winsock2::recv( SOCKET s, char *buf, int len, int flags ) {
return (*Bu::Winsock2::_fnptr_recv)( s, buf, len, flags );
}
int Bu::Winsock2::send( SOCKET s, const char *buf, int len, int flags ) {
return (*Bu::Winsock2::_fnptr_send)( s, buf, len, flags );
}
int Bu::Winsock2::__WSAFDIsSet( SOCKET s, fd_set *set ) {
return (*Bu::Winsock2::_fnptr___WSAFDIsSet)( s, set );
}
Bu::String Bu::getLastWinError()
{
LPVOID lpMsgBuf;
DWORD dw = GetLastError();
FormatMessageA(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
dw,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR) &lpMsgBuf,
0, NULL );
Bu::String sRet( (char *)lpMsgBuf );
LocalFree(lpMsgBuf);
return sRet;
}
#endif
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