Method loadModule

src/plugins/udr_engine/UdrEngine.cpp:490–578

UdrPluginImpl* Engine::loadModule(ThrowStatusWrapper* status, IRoutineMetadata* metadata,
	PathName* moduleName, string* entryPoint)
{
	const string str(metadata->getEntryPoint(status));

	const string::size_type pos = str.find('!');
	if (pos == string::npos)
	{
		static const ISC_STATUS statusVector[] = {
			isc_arg_gds, isc_random,
			isc_arg_string, (ISC_STATUS) "Invalid entry point",
			//// TODO: isc_arg_gds, isc_random, isc_arg_string, (ISC_STATUS) entryPoint.c_str(),
			isc_arg_end
		};

		throw FbException(status, statusVector);
	}

	*moduleName = PathName(str.substr(0, pos).c_str());
	// Do not allow module names with directory separators as a security measure.
	if (moduleName->find_first_of("/\\") != string::npos)
	{
		static const ISC_STATUS statusVector[] = {
			isc_arg_gds, isc_random,
			isc_arg_string, (ISC_STATUS) "Invalid module name",
			//// TODO: isc_arg_gds, isc_random, isc_arg_string, (ISC_STATUS) moduleName->c_str(),
			isc_arg_end
		};

		throw FbException(status, statusVector);
	}

	*entryPoint = str.substr(pos + 1);

	string::size_type n = entryPoint->find('!');
	*entryPoint = (n == string::npos ? *entryPoint : entryPoint->substr(0, n));

	MutexLockGuard guard(modulesMutex, FB_FUNCTION);

	UdrPluginImpl* ret;

	if (modules->get(*moduleName, ret))
		return ret;

	for (ObjectsArray<PathName>::iterator i = paths->begin(); i != paths->end(); ++i)
	{
		PathName path;
		PathUtils::concatPath(path, *i, *moduleName);

		ISC_STATUS_ARRAY statusArray = {
			isc_arg_gds, isc_random,
			isc_arg_string, (ISC_STATUS) "UDR module not loaded",
			isc_arg_end
		};
		const unsigned ARG_TEXT = 3;	// Keep both in sync
		const unsigned ARG_END = 4;		// with status initializer!

		ModuleLoader::Module* module = ModuleLoader::fixAndLoadModule(&statusArray[ARG_END], path);