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-rw-r--r--drm/libdrmframework/include/PlugInManager.h269
1 files changed, 0 insertions, 269 deletions
diff --git a/drm/libdrmframework/include/PlugInManager.h b/drm/libdrmframework/include/PlugInManager.h
deleted file mode 100644
index 7bb143f..0000000
--- a/drm/libdrmframework/include/PlugInManager.h
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * Copyright (C) 2010 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.
- */
-
-#ifndef __PLUGIN_MANAGER_H__
-#define __PLUGIN_MANAGER_H__
-
-#include <dlfcn.h>
-#include <sys/types.h>
-#include <dirent.h>
-
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/KeyedVector.h>
-
-namespace android {
-
-const char* const PLUGIN_MANAGER_CREATE = "create";
-const char* const PLUGIN_MANAGER_DESTROY = "destroy";
-const char* const PLUGIN_EXTENSION = ".so";
-
-/**
- * This is the template class for Plugin manager.
- *
- * The DrmManager uses this class to handle the plugins.
- *
- */
-template<typename Type>
-class TPlugInManager {
-private:
- typedef void* HANDLE;
- typedef Type* create_t(void);
- typedef void destroy_t(Type*);
- typedef create_t* FPCREATE;
- typedef destroy_t* FPDESTORY;
-
- typedef struct _PlugInContainer {
- String8 sPath;
- HANDLE hHandle;
- FPCREATE fpCreate;
- FPDESTORY fpDestory;
- Type* pInstance;
-
- _PlugInContainer():
- sPath("")
- ,hHandle(NULL)
- ,fpCreate(NULL)
- ,fpDestory(NULL)
- ,pInstance(NULL)
- {}
- } PlugInContainer;
-
- typedef KeyedVector<String8, PlugInContainer*> PlugInMap;
- PlugInMap m_plugInMap;
-
- typedef Vector<String8> PlugInIdList;
- PlugInIdList m_plugInIdList;
-
-public:
- /**
- * Load all the plug-ins in the specified directory
- *
- * @param[in] rsPlugInDirPath
- * Directory path which plug-ins (dynamic library) are stored
- * @note Plug-ins should be implemented according to the specification
- */
- void loadPlugIns(const String8& rsPlugInDirPath) {
- Vector<String8> plugInFileList = getPlugInPathList(rsPlugInDirPath);
-
- if (!plugInFileList.isEmpty()) {
- for (unsigned int i = 0; i < plugInFileList.size(); ++i) {
- loadPlugIn(plugInFileList[i]);
- }
- }
- }
-
- /**
- * Unload all the plug-ins
- *
- */
- void unloadPlugIns() {
- for (unsigned int i = 0; i < m_plugInIdList.size(); ++i) {
- unloadPlugIn(m_plugInIdList[i]);
- }
- m_plugInIdList.clear();
- }
-
- /**
- * Get all the IDs of available plug-ins
- *
- * @return[in] plugInIdList
- * String type Vector in which all plug-in IDs are stored
- */
- Vector<String8> getPlugInIdList() const {
- return m_plugInIdList;
- }
-
- /**
- * Get a plug-in reference of specified ID
- *
- * @param[in] rsPlugInId
- * Plug-in ID to be used
- * @return plugIn
- * Reference of specified plug-in instance
- */
- Type& getPlugIn(const String8& rsPlugInId) {
- if (!contains(rsPlugInId)) {
- // This error case never happens
- }
- return *(m_plugInMap.valueFor(rsPlugInId)->pInstance);
- }
-
-public:
- /**
- * Load a plug-in stored in the specified path
- *
- * @param[in] rsPlugInPath
- * Plug-in (dynamic library) file path
- * @note Plug-in should be implemented according to the specification
- */
- void loadPlugIn(const String8& rsPlugInPath) {
- if (contains(rsPlugInPath)) {
- return;
- }
-
- PlugInContainer* pPlugInContainer = new PlugInContainer();
-
- pPlugInContainer->hHandle = dlopen(rsPlugInPath.string(), RTLD_LAZY);
-
- if (NULL == pPlugInContainer->hHandle) {
- delete pPlugInContainer;
- pPlugInContainer = NULL;
- return;
- }
-
- pPlugInContainer->sPath = rsPlugInPath;
- pPlugInContainer->fpCreate
- = (FPCREATE)dlsym(pPlugInContainer->hHandle, PLUGIN_MANAGER_CREATE);
- pPlugInContainer->fpDestory
- = (FPDESTORY)dlsym(pPlugInContainer->hHandle, PLUGIN_MANAGER_DESTROY);
-
- if (NULL != pPlugInContainer->fpCreate && NULL != pPlugInContainer->fpDestory) {
- pPlugInContainer->pInstance = (Type*)pPlugInContainer->fpCreate();
- m_plugInIdList.add(rsPlugInPath);
- m_plugInMap.add(rsPlugInPath, pPlugInContainer);
- } else {
- dlclose(pPlugInContainer->hHandle);
- delete pPlugInContainer;
- pPlugInContainer = NULL;
- return;
- }
- }
-
- /**
- * Unload a plug-in stored in the specified path
- *
- * @param[in] rsPlugInPath
- * Plug-in (dynamic library) file path
- */
- void unloadPlugIn(const String8& rsPlugInPath) {
- if (!contains(rsPlugInPath)) {
- return;
- }
-
- PlugInContainer* pPlugInContainer = m_plugInMap.valueFor(rsPlugInPath);
- pPlugInContainer->fpDestory(pPlugInContainer->pInstance);
- dlclose(pPlugInContainer->hHandle);
-
- m_plugInMap.removeItem(rsPlugInPath);
- delete pPlugInContainer;
- pPlugInContainer = NULL;
- }
-
-private:
- /**
- * True if TPlugInManager contains rsPlugInId
- */
- bool contains(const String8& rsPlugInId) {
- return m_plugInMap.indexOfKey(rsPlugInId) != NAME_NOT_FOUND;
- }
-
- /**
- * Return file path list of plug-ins stored in the specified directory
- *
- * @param[in] rsDirPath
- * Directory path in which plug-ins are stored
- * @return plugInFileList
- * String type Vector in which file path of plug-ins are stored
- */
- Vector<String8> getPlugInPathList(const String8& rsDirPath) {
- Vector<String8> fileList;
- DIR* pDir = opendir(rsDirPath.string());
- struct dirent* pEntry;
-
- while (NULL != pDir && NULL != (pEntry = readdir(pDir))) {
- if (!isPlugIn(pEntry)) {
- continue;
- }
- String8 plugInPath;
- plugInPath += rsDirPath;
- plugInPath += "/";
- plugInPath += pEntry->d_name;
-
- fileList.add(plugInPath);
- }
-
- if (NULL != pDir) {
- closedir(pDir);
- }
-
- return fileList;
- }
-
- /**
- * True if the input name denotes plug-in
- */
- bool isPlugIn(const struct dirent* pEntry) const {
- String8 sName(pEntry->d_name);
- String8 extension(sName.getPathExtension());
- // Note that the plug-in extension must exactly match case
- return extension == String8(PLUGIN_EXTENSION);
- }
-
- /**
- * True if the input entry is "." or ".."
- */
- bool isDotOrDDot(const struct dirent* pEntry) const {
- String8 sName(pEntry->d_name);
- return "." == sName || ".." == sName;
- }
-
- /**
- * True if input entry is directory
- */
- bool isDirectory(const struct dirent* pEntry) const {
- return DT_DIR == pEntry->d_type;
- }
-
- /**
- * True if input entry is regular file
- */
- bool isRegularFile(const struct dirent* pEntry) const {
- return DT_REG == pEntry->d_type;
- }
-
- /**
- * True if input entry is link
- */
- bool isLink(const struct dirent* pEntry) const {
- return DT_LNK == pEntry->d_type;
- }
-};
-
-};
-
-#endif /* __PLUGIN_MANAGER_H__ */
-
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