bool J2534_API::selectLibrary(std::string libPath)
{
if (!libPath.size()) return false;
void *newJ2534LIB = NULL;
newJ2534LIB = dlopen( libPath.c_str(), RTLD_LAZY | RTLD_GLOBAL ); // RTLD_GLOBAL ???
if (newJ2534LIB)
{
// Check if library is a valid J2534-library:
if (!dlsym( newJ2534LIB, "PassThruConnect" ) || !dlsym( newJ2534LIB, "PassThruDisconnect" ))
{
#ifdef __J2534_API_DEBUG__
std::cout << "J2534interface::selectLibrary(): Error: the library doesn't provide the PassThruConnect(), and/or PassThruDisconnect() mehtods !\n";
if (dlclose( newJ2534LIB ))
std::cout << "J2534interface::selectLibrary(): dlclose() failed with error " << dlerror() << "\n";
#else
dlclose( newJ2534LIB );
#endif
return false;
}
// Check API-version of the library:
if (!dlsym( newJ2534LIB, "PassThruOpen" ) || !dlsym( newJ2534LIB, "PassThruClose" ))
_api_version = J2534_API_v0202;
else
_api_version = J2534_API_v0404;
// Close old library:
if (_J2534LIB)
{
#ifdef __J2534_API_DEBUG__
if (dlclose( _J2534LIB ))
std::cout << "J2534interface::selectLibrary(): dlclose() failed with error " << dlerror() << "\n";
#else
dlclose( _J2534LIB );
#endif
}
// Save data:
_J2534LIB = newJ2534LIB;
_lib_path = libPath;
assignJ2534fcns();
}
#ifdef __J2534_API_DEBUG__
else
std::cout << "J2534interface::selectLibrary(): dlopen() failed with error " << dlerror() << "\n";
#endif
return newJ2534LIB;
}
bool J2534_API::selectLibrary(std::string libPath)
{
if (!libPath.size()) return false;
HINSTANCE newJ2534LIB = NULL;
newJ2534LIB = LoadLibraryA( libPath.c_str() );
if (newJ2534LIB)
{
// Check if library is a valid J2534-library:
if (!GetProcAddress( newJ2534LIB, "PassThruConnect" ) || !GetProcAddress( newJ2534LIB, "PassThruDisconnect" ))
{
#ifdef __J2534_API_DEBUG__
std::cout << "J2534interface::selectLibrary(): Error: the library doesn't provide the PassThruConnect(), and/or PassThruDisconnect() mehtods !\n";
if (!FreeLibrary( newJ2534LIB ))
std::cout << "J2534interface::selectLibrary(): FreeLibrary() failed with error " << GetLastError() << "\n";
#else
FreeLibrary( newJ2534LIB );
#endif
return false;
}
// Check API-version of the library:
if (!GetProcAddress( newJ2534LIB, "PassThruOpen" ) || !GetProcAddress( newJ2534LIB, "PassThruClose" ))
_api_version = J2534_API_v0202;
else
_api_version = J2534_API_v0404;
// Close old library:
if (_J2534LIB)
{
#ifdef __J2534_API_DEBUG__
if (!FreeLibrary( _J2534LIB ))
std::cout << "J2534interface::selectLibrary(): FreeLibrary() failed with error " << GetLastError() << "\n";
#else
FreeLibrary( _J2534LIB );
#endif
}
// Save data:
_J2534LIB = newJ2534LIB;
_lib_path = libPath;
assignJ2534fcns();
}
#ifdef __J2534_API_DEBUG__
else
std::cout << "J2534interface::selectLibrary(): LoadLibrary() failed with error " << GetLastError() << "\n";
#endif
return newJ2534LIB;
}
