d58ba18272
This allows flame to boot TWRP. Still will need to work on super partition for vendor and system access. The plan will be to cherry-pick any updates to android-9.0 through gerrit.twrp.me to this branch as a WIP.
104 lines
3.9 KiB
C++
Executable File
104 lines
3.9 KiB
C++
Executable File
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _MTP_STORAGE_H
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#define _MTP_STORAGE_H
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#include "MtpObjectInfo.h"
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#include "MtpServer.h"
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#include "MtpStringBuffer.h"
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#include "MtpTypes.h"
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#include "mtp.h"
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#include "btree.hpp"
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#include "tw_atomic.hpp"
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class MtpDatabase;
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class MtpStorage {
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public:
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struct PropEntry {
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MtpObjectHandle handle;
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uint16_t property;
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uint16_t datatype;
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uint64_t intvalue;
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std::string strvalue;
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};
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private:
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MtpStorageID mStorageID;
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MtpStringBuffer mFilePath;
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MtpStringBuffer mDescription;
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uint64_t mMaxCapacity;
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uint64_t mMaxFileSize;
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bool mRemovable;
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typedef std::map<int, Tree*> maptree;
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typedef maptree::iterator iter;
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maptree mtpmap;
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std::string mtpstorageparent;
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MtpObjectHandle handleCurrentlySending;
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int inotify_fd;
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std::map<int, Tree*> inotifymap; // inotify wd -> tree
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bool sendEvents;
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MtpServer* mServer;
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typedef int (MtpStorage::*ThreadPtr)(void);
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typedef void* (*PThreadPtr)(void *);
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bool use_mutex;
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pthread_mutex_t inMutex; // inotify mutex
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pthread_mutex_t mtpMutex; // main mtp mutex
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TWAtomicInt inotify_thread_kill;
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pthread_t inotify_thread;
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Node* findNode(MtpObjectHandle handle);
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std::string getNodePath(Node* node);
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Node* addNewNode(bool isDir, Tree* tree, const std::string& name);
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void queryNodeProperties(std::vector<PropEntry>& results, Node* node, uint32_t property, int groupCode, MtpStorageID storageID);
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int addInotify(Tree* tree);
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void handleInotifyEvent(struct inotify_event* event);
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public:
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MtpStorage(MtpStorageID id, const char* filePath,
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const char* description,
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bool removable, uint64_t maxFileSize, MtpServer* refserver);
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virtual ~MtpStorage();
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inline MtpStorageID getStorageID() const { return mStorageID; }
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int getType() const;
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int getFileSystemType() const;
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int getAccessCapability() const;
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uint64_t getMaxCapacity();
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uint64_t getFreeSpace();
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const char* getDescription() const;
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inline const char* getPath() const { return (const char *)mFilePath; }
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inline bool isRemovable() const { return mRemovable; }
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inline uint64_t getMaxFileSize() const { return mMaxFileSize; }
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int renameObject(MtpObjectHandle handle, std::string newName);
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MtpObjectHandle beginSendObject(const char* path, MtpObjectFormat format, MtpObjectHandle parent, uint64_t size, time_t modified);
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MtpObjectHandleList* getObjectList(MtpStorageID storageID, MtpObjectHandle parent);
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int getObjectPropertyList(MtpObjectHandle handle, uint32_t format, uint32_t property, int groupCode, int depth, MtpDataPacket& packet);
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int readDir(const std::string& path, Tree* tree);
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int getObjectPropertyValue(MtpObjectHandle handle, MtpObjectProperty property, PropEntry& prop);
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int getObjectInfo(MtpObjectHandle handle, MtpObjectInfo& info);
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void endSendObject(const char* path, MtpObjectHandle handle, MtpObjectFormat format, bool succeeded);
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int getObjectFilePath(MtpObjectHandle handle, MtpStringBuffer& outFilePath, int64_t& outFileLength, MtpObjectFormat& outFormat);
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int deleteFile(MtpObjectHandle handle);
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int createDB();
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pthread_t inotify();
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int inotify_t();
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void lockMutex(int thread_type);
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void unlockMutex(int thread_type);
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};
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#endif // _MTP_STORAGE_H
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