mirror of
https://gitee.com/jiuyilian/embedded-framework.git
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70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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* Copyright (c) 2023 Fancy Code.
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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 SHARED_DATA_IMPL_H
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#define SHARED_DATA_IMPL_H
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#include "SharedData.h"
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#include "SharedMemory.h"
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#include <memory>
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#include <mutex>
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constexpr int USER_NAME_BUF_LENGTH = 4;
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#define USER_NAME_INIT_NAME "XING"
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enum USER_DATA_INIT
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{
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USER_DATA_INIT_SUCCEED = 0,
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USER_DATA_INIT_FAILED,
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USER_DATA_INIT_END
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};
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typedef struct shared_data_header
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{
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const char *mCheckName;
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} SharedDataHeader;
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// TODO: Use mutex to luck memory data?
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// typedef struct shared_memory_header
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// {
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// std::mutex mMutex;
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// };
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typedef struct user_data_header
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{
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char mUserName[USER_NAME_BUF_LENGTH];
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unsigned int mDataLength;
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int mIsInit;
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} UserDataHeader;
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class SharedDataCpp : public SharedMemory
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{
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public:
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SharedDataCpp(const SHARER_NAME &sharerName, const char *path, const int &projectId);
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virtual ~SharedDataCpp() = default;
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void MakeSharedMemory(const unsigned int readableSize, const unsigned int writableSize);
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const StatusCode GetReadableMemory(void *buf, const unsigned int &bufLength);
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void SetWritableMemory(void *buf, const unsigned int &bufLength);
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private:
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void WritableDataInit(void);
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private:
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const SHARER_NAME mSharerName;
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unsigned int mPrimaryReadSize;
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unsigned int mMinorReadSize;
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void *mSharedMemeory;
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};
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typedef struct shared_data_impl SharedDataImpl;
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typedef struct shared_data_impl
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{
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SharedDataHeader mHeader;
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SharedData mBase;
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std::shared_ptr<SharedDataCpp> mSharedData;
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} SharedDataImpl;
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SharedData *NewSharedDataImpl(const SHARER_NAME &name, const char *path, const int &projectId);
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#endif |