10ea406920af8313875866f13c9104129c08b2d76Jeff Tinker/* 20ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * Copyright (C) 2017 The Android Open Source Project 30ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * 40ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * Licensed under the Apache License, Version 2.0 (the "License"); 50ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * you may not use this file except in compliance with the License. 60ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * You may obtain a copy of the License at 70ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * 80ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * http://www.apache.org/licenses/LICENSE-2.0 90ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * 100ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * Unless required by applicable law or agreed to in writing, software 110ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * distributed under the License is distributed on an "AS IS" BASIS, 120ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * See the License for the specific language governing permissions and 140ea406920af8313875866f13c9104129c08b2d76Jeff Tinker * limitations under the License. 150ea406920af8313875866f13c9104129c08b2d76Jeff Tinker */ 160ea406920af8313875866f13c9104129c08b2d76Jeff Tinker 170ea406920af8313875866f13c9104129c08b2d76Jeff Tinker#define LOG_TAG "drm-vts-vendor-modules" 180ea406920af8313875866f13c9104129c08b2d76Jeff Tinker 190ea406920af8313875866f13c9104129c08b2d76Jeff Tinker#include <dirent.h> 200ea406920af8313875866f13c9104129c08b2d76Jeff Tinker#include <dlfcn.h> 213eb7df74b8eae5c902039d1b76402350715a0944Steven Moreland#include <log/log.h> 220ea406920af8313875866f13c9104129c08b2d76Jeff Tinker#include <memory> 2307770c78e18c5b09ba116fa1e779fe4408c42e3fJiyong Park#include <utils/String8.h> 2407770c78e18c5b09ba116fa1e779fe4408c42e3fJiyong Park#include <SharedLibrary.h> 250ea406920af8313875866f13c9104129c08b2d76Jeff Tinker 260ea406920af8313875866f13c9104129c08b2d76Jeff Tinker#include "vendor_modules.h" 270ea406920af8313875866f13c9104129c08b2d76Jeff Tinker 280ea406920af8313875866f13c9104129c08b2d76Jeff Tinkerusing std::string; 290ea406920af8313875866f13c9104129c08b2d76Jeff Tinkerusing std::vector; 300ea406920af8313875866f13c9104129c08b2d76Jeff Tinkerusing std::unique_ptr; 3107770c78e18c5b09ba116fa1e779fe4408c42e3fJiyong Parkusing ::android::String8; 3207770c78e18c5b09ba116fa1e779fe4408c42e3fJiyong Parkusing ::android::hardware::drm::V1_0::helper::SharedLibrary; 330ea406920af8313875866f13c9104129c08b2d76Jeff Tinker 340ea406920af8313875866f13c9104129c08b2d76Jeff Tinkernamespace drm_vts { 35f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinkervoid VendorModules::scanModules(const std::string &directory) { 36f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker DIR* dir = opendir(directory.c_str()); 370ea406920af8313875866f13c9104129c08b2d76Jeff Tinker if (dir == NULL) { 38f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker ALOGE("Unable to open drm VTS vendor directory %s", directory.c_str()); 39f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker } else { 40f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker struct dirent* entry; 41f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker while ((entry = readdir(dir))) { 42f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker ALOGD("checking file %s", entry->d_name); 43f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker string fullpath = directory + "/" + entry->d_name; 44f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker if (endsWith(fullpath, ".so")) { 45f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker mPathList.push_back(fullpath); 46f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker } 470ea406920af8313875866f13c9104129c08b2d76Jeff Tinker } 48f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker closedir(dir); 490ea406920af8313875866f13c9104129c08b2d76Jeff Tinker } 500ea406920af8313875866f13c9104129c08b2d76Jeff Tinker} 510ea406920af8313875866f13c9104129c08b2d76Jeff Tinker 52f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff TinkerDrmHalVTSVendorModule* VendorModules::getModule(const string& path) { 53f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker if (mOpenLibraries.find(path) == mOpenLibraries.end()) { 5407770c78e18c5b09ba116fa1e779fe4408c42e3fJiyong Park auto library = std::make_unique<SharedLibrary>(String8(path.c_str())); 550ea406920af8313875866f13c9104129c08b2d76Jeff Tinker if (!library) { 560ea406920af8313875866f13c9104129c08b2d76Jeff Tinker ALOGE("failed to map shared library %s", path.c_str()); 570ea406920af8313875866f13c9104129c08b2d76Jeff Tinker return NULL; 580ea406920af8313875866f13c9104129c08b2d76Jeff Tinker } 59f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker mOpenLibraries[path] = std::move(library); 600ea406920af8313875866f13c9104129c08b2d76Jeff Tinker } 61f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker const unique_ptr<SharedLibrary>& library = mOpenLibraries[path]; 620ea406920af8313875866f13c9104129c08b2d76Jeff Tinker void* symbol = library->lookup("vendorModuleFactory"); 630ea406920af8313875866f13c9104129c08b2d76Jeff Tinker if (symbol == NULL) { 640ea406920af8313875866f13c9104129c08b2d76Jeff Tinker ALOGE("getVendorModule failed to lookup 'vendorModuleFactory' in %s: " 65f20aa0c48524a890f2fcf08f249bafe62bb6db45Jeff Tinker "%s", path.c_str(), library->lastError()); 660ea406920af8313875866f13c9104129c08b2d76Jeff Tinker return NULL; 670ea406920af8313875866f13c9104129c08b2d76Jeff Tinker } 680ea406920af8313875866f13c9104129c08b2d76Jeff Tinker typedef DrmHalVTSVendorModule* (*ModuleFactory)(); 690ea406920af8313875866f13c9104129c08b2d76Jeff Tinker ModuleFactory moduleFactory = reinterpret_cast<ModuleFactory>(symbol); 700ea406920af8313875866f13c9104129c08b2d76Jeff Tinker return (*moduleFactory)(); 710ea406920af8313875866f13c9104129c08b2d76Jeff Tinker} 720ea406920af8313875866f13c9104129c08b2d76Jeff Tinker}; 73