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75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
#ifndef LLARP_UTIL_FILE_LOGGER_HPP
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#define LLARP_UTIL_FILE_LOGGER_HPP
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#include <util/logging/logstream.hpp>
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#include <util/thread/queue.hpp>
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#include <util/time.hpp>
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#include <deque>
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namespace llarp
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{
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/// flushable file based log stream
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struct FileLogStream : public ILogStream
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{
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using Work_t = std::function<void(void)>;
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FileLogStream(
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std::function<void(Work_t)> io, FILE* f, llarp_time_t flushInterval, bool closefile = true);
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~FileLogStream() override;
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void
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PreLog(
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std::stringstream& out,
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LogLevel lvl,
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const char* fname,
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int lineno,
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const std::string& nodename) const override;
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void
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Print(LogLevel, const char*, const std::string& msg) override;
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void
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Tick(llarp_time_t now) override;
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void
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PostLog(std::stringstream&) const override{};
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void
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AppendLog(
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LogLevel lvl,
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const char* fname,
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int lineno,
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const std::string& nodename,
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const std::string msg) override;
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virtual void
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ImmediateFlush() override;
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using Lines_t = thread::Queue<std::string>;
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protected:
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Lines_t m_Lines;
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private:
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static void
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Flush(Lines_t* const, FILE* const);
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bool
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ShouldFlush(llarp_time_t now) const;
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void
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FlushLinesToDisk(llarp_time_t now);
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const std::function<void(Work_t)> m_Disk;
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FILE* const m_File;
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const llarp_time_t m_FlushInterval;
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llarp_time_t m_LastFlush = 0s;
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const bool m_Close;
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};
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} // namespace llarp
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#endif
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