45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
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#pragma once
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#ifndef MESSMER_CPPUTILS_RANDOM_RANDOMPOOL_H
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#define MESSMER_CPPUTILS_RANDOM_RANDOMPOOL_H
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#include <boost/thread.hpp>
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#include "ThreadsafeRandomDataBuffer.h"
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#include "RandomGeneratorThread.h"
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#include <mutex>
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namespace cpputils {
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//TODO Test
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class RandomPool final {
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public:
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static void get(void *target, size_t bytes);
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private:
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static constexpr size_t MIN_BUFFER_SIZE = 1*1024*1024; // 1MB
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static constexpr size_t MAX_BUFFER_SIZE = 2*1024*1024; // 2MB
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RandomPool();
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static RandomPool &singleton();
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static std::mutex _mutex;
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ThreadsafeRandomDataBuffer _buffer;
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RandomGeneratorThread _refillThread;
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DISALLOW_COPY_AND_ASSIGN(RandomPool);
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};
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inline RandomPool &RandomPool::singleton() {
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std::unique_lock<std::mutex> lock(_mutex);
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static RandomPool singleton;
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return singleton;
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}
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inline void RandomPool::get(void *target, size_t bytes) {
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singleton()._buffer.get(target, bytes);
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}
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inline RandomPool::RandomPool(): _buffer(), _refillThread(&_buffer, MIN_BUFFER_SIZE, MAX_BUFFER_SIZE) {
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_refillThread.start();
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}
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}
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#endif
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