ReaderServicePtr LibraryManager::getReaderService(ReaderUnitPtr reader, ReaderServiceType type)
{
ReaderServicePtr srv;
for (auto &&itr : libLoaded)
{
IDynLibrary *lib = itr.second;
if (lib->hasSymbol("getReaderService"))
{
int (*fptr)(ReaderUnitPtr, ReaderServicePtr &, ReaderServiceType) = nullptr;
fptr = reinterpret_cast<decltype(fptr)>(lib->getSymbol("getReaderService"));
assert(fptr);
fptr(reader, srv, type);
if (srv)
break;
}
}
return srv;
}
std::shared_ptr<CardService> LibraryManager::getCardService(std::shared_ptr<Chip> chip,
CardServiceType type)
{
std::shared_ptr<CardService> srv;
for (auto &&itr : libLoaded)
{
IDynLibrary *lib = itr.second;
if (lib->hasSymbol("getCardService"))
{
int (*fptr)(std::shared_ptr<Chip>, std::shared_ptr<CardService> &, CardServiceType) = nullptr;
fptr = reinterpret_cast<decltype(fptr)>(lib->getSymbol("getCardService"));
assert(fptr);
fptr(chip, srv, type);
if (srv)
break;
}
}
return srv;
}
std::shared_ptr<AccessControlCardService> LibraryManager::getAccessControlCardService(
std::shared_ptr<Chip> chip)
{
std::shared_ptr<AccessControlCardService> srv;
for (auto &&itr : libLoaded)
{
const std::string &libname = itr.first;
IDynLibrary *lib = itr.second;
int (*fptr)(std::shared_ptr<Chip>, std::shared_ptr<AccessControlCardService> &) = nullptr;
if (lib->hasSymbol("getAccessControlCardService"))
{
fptr = reinterpret_cast<decltype(fptr)>(lib->getSymbol("getAccessControlCardService"));
assert(fptr);
fptr(chip, srv);
if (srv)
break;
}
}
return srv;
}
std::shared_ptr<ReaderUnit> LibraryManager::getReader(const std::string &readerName) const
{
// The idea here is simply to loop over all shared library
// and opportunistically call the `getReaderUnit()` function if it exists, hoping
// that some module will be able to fulfil our request.
std::shared_ptr<ReaderUnit> readerUnit;
for (auto &&itr : libLoaded)
{
IDynLibrary *lib = itr.second;
if (lib->hasSymbol("getReaderUnit"))
{
int(*fptr)(const std::string &, std::shared_ptr<ReaderUnit> &) = nullptr;
fptr = reinterpret_cast<decltype(fptr)>(lib->getSymbol("getReaderUnit"));
assert(fptr);
fptr(readerName, readerUnit);
if (readerUnit)
break;
}
}
return readerUnit;
}
