1 files changed, 72 insertions, 0 deletions
diff --git a/drm/1.2/vts/functional/vendor_modules.cpp b/drm/1.2/vts/functional/vendor_modules.cpp
new file mode 100644
index 0000000000..efcb90a91a
--- /dev/null
+++ b/drm/1.2/vts/functional/vendor_modules.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "drm-vts-vendor-modules"
+
+#include <dirent.h>
+#include <dlfcn.h>
+#include <log/log.h>
+#include <memory>
+#include <utils/String8.h>
+#include <SharedLibrary.h>
+
+#include "vendor_modules.h"
+
+using std::string;
+using std::vector;
+using std::unique_ptr;
+using ::android::String8;
+using ::android::hardware::drm::V1_0::helper::SharedLibrary;
+
+namespace drm_vts {
+void VendorModules::scanModules(const std::string &directory) {
+    DIR* dir = opendir(directory.c_str());
+    if (dir == NULL) {
+        ALOGE("Unable to open drm VTS vendor directory %s", directory.c_str());
+    } else {
+        struct dirent* entry;
+        while ((entry = readdir(dir))) {
+            ALOGD("checking file %s", entry->d_name);
+            string fullpath = directory + "/" + entry->d_name;
+            if (endsWith(fullpath, ".so")) {
+                mPathList.push_back(fullpath);
+            }
+        }
+        closedir(dir);
+    }
+}
+
+DrmHalVTSVendorModule* VendorModules::getModule(const string& path) {
+    if (mOpenLibraries.find(path) == mOpenLibraries.end()) {
+        auto library = std::make_unique<SharedLibrary>(String8(path.c_str()));
+        if (!library) {
+            ALOGE("failed to map shared library %s", path.c_str());
+            return NULL;
+        }
+        mOpenLibraries[path] = std::move(library);
+    }
+    const unique_ptr<SharedLibrary>& library = mOpenLibraries[path];
+    void* symbol = library->lookup("vendorModuleFactory");
+    if (symbol == NULL) {
+        ALOGE("getVendorModule failed to lookup 'vendorModuleFactory' in %s: "
+              "%s", path.c_str(), library->lastError());
+        return NULL;
+    }
+    typedef DrmHalVTSVendorModule* (*ModuleFactory)();
+    ModuleFactory moduleFactory = reinterpret_cast<ModuleFactory>(symbol);
+    return (*moduleFactory)();
+}
+};