71 lines
1.2 KiB
C++
71 lines
1.2 KiB
C++
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#ifndef LOG_HPP
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#define LOG_HPP
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#include <atomic>
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#include <mutex>
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#include <sstream>
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enum LogLevel
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{
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logINFO,
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logWARNING,
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logERROR,
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logDEBUG
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};
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namespace osrm
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{
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namespace util
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{
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class LogPolicy
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{
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public:
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void Unmute();
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void Mute();
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bool IsMute() const;
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static LogPolicy &GetInstance();
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LogPolicy(const LogPolicy &) = delete;
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LogPolicy &operator=(const LogPolicy &) = delete;
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private:
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LogPolicy() : m_is_mute(true) {}
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std::atomic<bool> m_is_mute;
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};
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class Log
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{
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public:
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Log(LogLevel level_ = logINFO);
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Log(LogLevel level_, std::ostream &ostream);
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virtual ~Log();
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std::mutex &get_mutex();
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template <typename T> inline std::ostream &operator<<(const T &data) { return stream << data; }
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protected:
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LogLevel level;
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std::ostringstream buffer;
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std::ostream &stream;
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};
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/**
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* Modified logger - this one doesn't buffer - it writes directly to stdout,
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* and the final newline is only printed when the object is destructed.
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* Useful for logging situations where you don't want to newline right away
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*/
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class UnbufferedLog : public Log
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{
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public:
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UnbufferedLog(LogLevel level_ = logINFO);
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};
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}
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}
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#endif /* LOG_HPP */
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