pans

2017-08-30 71c92f101b6c8b4a678a8c3cfe2d8edbf488efa4

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#ifndef _PreAllocBufferPriorityList_H_ 
#define _PreAllocBufferPriorityList_H_ 
 
#include <cstdint> 
#include <vector> 
 
class PreAllocBuffers 
{ 
public: 
    struct Config 
    { 
        bool multithreadSafe; 
        bool fullQueueDropFront; 
        bool fullQueueSync; 
        size_t count; 
        size_t maxBuffSize; 
        buffer_ud_deleter bud_deleter;//#todo no-impl 
 
        Config() 
            : multithreadSafe(false), fullQueueDropFront(false), fullQueueSync(false), count(0), maxBuffSize(0), bud_deleter(nullptr) 
        { } 
    }; 
 
    struct Buffer 
    { 
        uint8_t* buffer; 
        size_t buffSize; 
        void* userData; 
 
        Buffer() : buffer(nullptr), buffSize(0), userData(nullptr) { } 
    }; 
 
    PreAllocBufferPriorityList(const Config& _cfg); 
    ~PreAllocBufferPriorityList(); 
 
    Buffer* GetFree(); 
    void Release(Buffer* buffer); 
 
    bool Empty() const; 
    bool Full() const; 
 
private: 
    const Config cfg; 
    void* mtsMux; 
 
    typedef std::vector<Buffer*> buffers_vec_t; 
    buffers_vec_t allBuffers; 
    buffers_vec_t freeBuffers; 
}; 
 
#endif