51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#pragma once
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#include "of_def.hpp"
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#include <cassert>
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#include <iostream>
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#include <memory>
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#include <mutex>
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#include <algorithm>
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#include <cstring>
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namespace ofen {
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template <typename T> class OfSingleton
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{
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public:
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OfSingleton(const OfSingleton&) = delete;
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OfSingleton& operator=(const OfSingleton&) = delete;
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static std::shared_ptr<T> getInstance()
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{
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std::call_once(init_flag, []() { instance.reset(new T()); });
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return instance;
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}
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protected:
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OfSingleton() = default;
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virtual ~OfSingleton() = default;
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private:
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static std::shared_ptr<T> instance;
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static std::once_flag init_flag;
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};
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template <typename T> std::shared_ptr<T> OfSingleton<T>::instance = nullptr;
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template <typename T> std::once_flag OfSingleton<T>::init_flag;
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class CMutBuffer
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{
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public:
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CMutBuffer() = default;
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public:
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void push(const char* data, int len);
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int index_of(const char* data, int len, int start_pos = 0);
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const char* get_data() const;
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void remove_of(int start_pos, int len);
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void clear();
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private:
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std::vector<char> buffer_;
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std::mutex mutex_;
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};
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} // namespace ofen
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