int main(int ac, char **av)
{
if (ac == 4)
{
try
{
Game *game = new Game(atoi(av[1]), atoi(av[2]));
std::list<ISnake *> tmp;
std::list<IFood *> tmpf;
std::list<IHole *> tmph;
int ret;
maker_Display pMaker;
void *hndl;
void *mkr;
srand(getpid());
hndl = dlopen(av[3], RTLD_LAZY);
if (hndl == NULL)
throw GameException("Error load librairie");
mkr = dlsym(hndl, "make_display");
if (mkr == NULL)
{
dlclose(hndl);
throw GameException("Error load function librairie");
}
pMaker = (maker_Display)mkr;
Display *my_graph = pMaker();
ret = 0;
if (my_graph->Init() == false)
throw GameException("Error on creation of Window");
while (my_graph->Window() == true && ret != -1)
{
tmp = game->getSList();
tmpf = game->getFList();
tmph = game->getHole();
my_graph->Play(tmp, tmpf, tmph, game->getScore());
ret = game->checkCollision(tmp, tmpf, tmph);
if (ret == 1)
{
game->setScore();
game->updateSList(tmp);
game->updateFList(tmpf);
}
game->setSList(tmp);
game->setFList(tmpf);
game->analyseLevel();
usleep(game->getSpeed());
}
my_graph->Finish();
dlclose(hndl);
}
catch (const std::exception &e)
{
std::cerr << e.what() << std::endl;
}
}
else
std::cout << "Usage : ./nibbler LEN WIDTH LIB" << std::endl;
return (0);
}
void* ConcretePluginManager::loadObjectFromBinary( const std::string& soFile, const std::string& makerFunction )
{
typedef void *(*maker_type)(IApplication*);
void *hndl;
maker_type pMaker;
// library loading
try {
hndl = dlopen(soFile.c_str(), RTLD_LAZY);
}
catch(...) {
std::cout << "Error while loading the plg file" << std::endl;
}
//in case the handler is not defined, due to errors (most of the cases the library file is not found, corrupted, or unreadable)
if(hndl == NULL)
{
std::cout << BOLDRED << "dlopenError" << RESTORECOLOR << std::endl;
std::cerr << BOLDRED << "dlopen : "<< dlerror() << RESTORECOLOR << std::endl;
return(NULL);
}
// maker loading
void *mkr;
try {
mkr = dlsym(hndl, makerFunction.c_str());
}
catch(...) {
std::cout<< "Error while looking for the factory function" <<std::endl;
}
//in case mkr is not defined, due to errors (most of the cases the factory function is not found)
if (mkr == NULL)
{
std::cerr << BOLDRED << "dlsym : " << dlerror() << RESTORECOLOR << std::endl;
return(NULL);
}
//let's make mkr callable
void *s;
try {
pMaker = (maker_type)mkr;
IApplication* app = (IApplication*) _app;
s = pMaker(app);
}
catch(...) {
std::cout << "error while calling the factory function" <<std::endl;
}
//byebye
return s;
}