122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
/*
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* MIT License
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* Copyright (c) 2021 _VIFEXTech
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __ACCOUNT_H
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#define __ACCOUNT_H
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#include <stdint.h>
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#include <vector>
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#include "PingPongBuffer/PingPongBuffer.h"
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#include "lvgl.h"
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class DataCenter;
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class Account
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{
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public:
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/* Event type enumeration */
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typedef enum
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{
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EVENT_NONE,
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EVENT_PUB_PUBLISH, // Publisher posted information
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EVENT_SUB_PULL, // Subscriber data pull request
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EVENT_NOTIFY, // Subscribers send notifications to publishers
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EVENT_TIMER, // Timed event
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_EVENT_LAST
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} EventCode_t;
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/* Error type enumeration */
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typedef enum
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{
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RES_OK = 0,
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RES_UNKNOW = -1,
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RES_SIZE_MISMATCH = -2,
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RES_UNSUPPORTED_REQUEST = -3,
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RES_NO_CALLBACK = -4,
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RES_NO_CACHE = -5,
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RES_NO_COMMITED = -6,
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RES_NOT_FOUND = -7,
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RES_PARAM_ERROR = -8
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} ResCode_t;
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/* Event parameter structure */
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typedef struct
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{
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EventCode_t event; // Event type
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Account* tran; // Pointer to sender
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Account* recv; // Pointer to receiver
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void* data_p; // Pointer to data
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uint32_t size; // The length of the data
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} EventParam_t;
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/* Event callback function pointer */
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typedef int (*EventCallback_t)(Account* account, EventParam_t* param);
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typedef std::vector<Account*> AccountVector_t;
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public:
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Account(
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const char* id,
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DataCenter* center,
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uint32_t bufSize = 0,
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void* userData = nullptr
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);
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~Account();
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Account* Subscribe(const char* pubID);
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bool Unsubscribe(const char* pubID);
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bool Commit(const void* data_p, uint32_t size);
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int Publish();
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int Pull(const char* pubID, void* data_p, uint32_t size);
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int Pull(Account* pub, void* data_p, uint32_t size);
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int Notify(const char* pubID, const void* data_p, uint32_t size);
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int Notify(Account* pub, const void* data_p, uint32_t size);
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void SetEventCallback(EventCallback_t callback);
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void SetTimerPeriod(uint32_t period);
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void SetTimerEnable(bool en);
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size_t GetPublishersSize();
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size_t GetSubscribersSize();
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public:
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const char* ID; /* Unique account ID */
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DataCenter* Center; /* Pointer to the data center */
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void* UserData;
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AccountVector_t publishers; /* Followed publishers */
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AccountVector_t subscribers; /* Followed subscribers */
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struct
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{
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EventCallback_t eventCallback;
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lv_timer_t* timer;
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PingPongBuffer_t BufferManager;
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uint32_t BufferSize;
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} priv;
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private:
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static void TimerCallbackHandler(lv_timer_t* task);
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};
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#endif
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