static void NativeModuleHost_Destroy(MODULE_HANDLE moduleHandle) { if (moduleHandle != NULL) { MODULE_HOST* module_host = (MODULE_HOST*)moduleHandle; if (module_host->module != NULL) { const MODULE_LOADER* module_loader = module_host->module_loader; MODULE_LIBRARY_HANDLE module_library = module_host->module_library_handle; if (module_loader != NULL) { MODULE_LOADER_API * loader_api = module_loader->api; if ((module_library != NULL) && (loader_api != NULL)) { const MODULE_API* module_apis = loader_api->GetApi(module_loader, module_library); if (MODULE_DESTROY(module_apis) != NULL) { /*Codes_SRS_NATIVEMODULEHOST_17_028: [ NativeModuleHost_Destroy shall free all remaining allocated resources if moduleHandle is not NULL. ]*/ MODULE_DESTROY(module_apis)(module_host->module); } loader_api->Unload(module_loader, module_library); } } module_host->module = NULL; module_host->module_library_handle = NULL; module_host->module_host_broker = NULL; free(module_host); } } /*Codes_SRS_NATIVEMODULEHOST_17_027: [ NativeModuleHost_Destroy shall always destroy the module loader. ]*/ ModuleLoader_Destroy(); }
static MODULE_LIBRARY_HANDLE NodeModuleLoader_Load(const MODULE_LOADER* loader, const void* entrypoint) { NODE_MODULE_HANDLE_DATA* result; // loader cannot be null if (loader == NULL) { //Codes_SRS_NODE_MODULE_LOADER_13_001 : [NodeModuleLoader_Load shall return NULL if loader is NULL.] result = NULL; LogError("invalid inputs - loader = %p", loader); } else { if (loader->type != NODEJS) { //Codes_SRS_NODE_MODULE_LOADER_13_002 : [NodeModuleLoader_Load shall return NULL if loader->type is not NODEJS.] result = NULL; LogError("loader->type is not NODEJS"); } else { result = (NODE_MODULE_HANDLE_DATA*)malloc(sizeof(NODE_MODULE_HANDLE_DATA)); if (result == NULL) { //Codes_SRS_NODE_MODULE_LOADER_13_003 : [NodeModuleLoader_Load shall return NULL if an underlying platform call fails.] LogError("malloc returned NULL"); } else { result->binding_module = NodeModuleLoader_LoadBindingModule(loader); if (result->binding_module == NULL) { LogError("NodeModuleLoader_LoadBindingModule returned NULL"); //Codes_SRS_NODE_MODULE_LOADER_13_003 : [NodeModuleLoader_Load shall return NULL if an underlying platform call fails.] free(result); result = NULL; } else { //Codes_SRS_NODE_MODULE_LOADER_13_033: [ NodeModuleLoader_Load shall call DynamicLibrary_FindSymbol on the binding module handle with the symbol name Module_GetApi to acquire the function that returns the module's API table. ] pfModule_GetApi pfnGetAPI = (pfModule_GetApi)DynamicLibrary_FindSymbol(result->binding_module, MODULE_GETAPI_NAME); if (pfnGetAPI == NULL) { DynamicLibrary_UnloadLibrary(result->binding_module); free(result); //Codes_SRS_NODE_MODULE_LOADER_13_003 : [NodeModuleLoader_Load shall return NULL if an underlying platform call fails.] result = NULL; LogError("DynamicLibrary_FindSymbol() returned NULL"); } else { //Codes_SRS_NODE_MODULE_LOADER_13_005 : [NodeModuleLoader_Load shall return a non - NULL pointer of type MODULE_LIBRARY_HANDLE when successful.] result->api = pfnGetAPI(Module_ApiGatewayVersion); //Codes_SRS_NODE_MODULE_LOADER_13_034: [ NodeModuleLoader_Load shall return NULL if the MODULE_API pointer returned by the binding module is NULL. ] //Codes_SRS_NODE_MODULE_LOADER_13_035: [ NodeModuleLoader_Load shall return NULL if MODULE_API::version is greater than Module_ApiGatewayVersion. ] //Codes_SRS_NODE_MODULE_LOADER_13_036: [ NodeModuleLoader_Load shall return NULL if the Module_Create function in MODULE_API is NULL. ] //Codes_SRS_NODE_MODULE_LOADER_13_037: [ NodeModuleLoader_Load shall return NULL if the Module_Receive function in MODULE_API is NULL. ] //Codes_SRS_NODE_MODULE_LOADER_13_038: [ NodeModuleLoader_Load shall return NULL if the Module_Destroy function in MODULE_API is NULL. ] /* if any of the required functions is NULL then we have a misbehaving module */ if (result->api == NULL || result->api->version > Module_ApiGatewayVersion || MODULE_CREATE(result->api) == NULL || MODULE_DESTROY(result->api) == NULL || MODULE_RECEIVE(result->api) == NULL) { LogError( "pfnGetapi() returned an invalid MODULE_API instance. " "result->api = %p, " "result->api->version = %d, " "MODULE_CREATE(result->api) = %p, " "MODULE_DESTROY(result->api) = %p, " "MODULE_RECEIVE(result->api) = %p, ", result->api, result->api != NULL ? result->api->version : 0x0, result->api != NULL ? MODULE_CREATE(result->api) : NULL, result->api != NULL ? MODULE_DESTROY(result->api) : NULL, result->api != NULL ? MODULE_RECEIVE(result->api) : NULL ); DynamicLibrary_UnloadLibrary(result->binding_module); free(result); //Codes_SRS_NODE_MODULE_LOADER_13_003 : [NodeModuleLoader_Load shall return NULL if an underlying platform call fails.] result = NULL; } } } } } } return result; }