forked from metin-server/m2dev-client-src
7fb832ad6b
- Reuses vector<uint8_t> buffers to reduce allocations - Thread-safe with mutex protection - Max 64 buffers, 64MB buffer size limit - Tracks allocation statistics and pooled memory
51 lines
1002 B
C++
51 lines
1002 B
C++
#ifndef __INC_ETERLIB_BUFFERPOOL_H__
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#define __INC_ETERLIB_BUFFERPOOL_H__
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#include <vector>
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#include <mutex>
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#include <cstdint>
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// Buffer pool for file I/O operations
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class CBufferPool
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{
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public:
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CBufferPool();
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~CBufferPool();
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// Get buffer with minimum size
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std::vector<uint8_t> Acquire(size_t minSize);
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// Return buffer to pool
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void Release(std::vector<uint8_t>&& buffer);
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// Get statistics
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size_t GetPoolSize() const;
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size_t GetTotalAllocated() const;
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size_t GetTotalMemoryPooled() const; // Total bytes held in pool
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// Clear pool
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void Clear();
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private:
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struct TPooledBuffer
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{
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std::vector<uint8_t> buffer;
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size_t capacity;
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TPooledBuffer(std::vector<uint8_t>&& buf)
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: buffer(std::move(buf))
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, capacity(buffer.capacity())
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{
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}
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};
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std::vector<TPooledBuffer> m_pool;
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mutable std::mutex m_mutex;
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size_t m_totalAllocated;
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static const size_t MAX_POOL_SIZE = 64;
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static const size_t MAX_BUFFER_SIZE = 64 * 1024 * 1024;
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};
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#endif // __INC_ETERLIB_BUFFERPOOL_H__
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