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59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
#pragma once
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#include "loglevel.hpp"
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#include <llarp/util/time.hpp>
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#include <memory>
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#include <string>
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#include <sstream>
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#include <string_view>
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namespace llarp
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{
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/// logger stream interface
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struct ILogStream
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{
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virtual ~ILogStream() = default;
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virtual void
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PreLog(
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std::stringstream& out,
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LogLevel lvl,
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std::string_view filename,
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int lineno,
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const std::string& nodename) const = 0;
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virtual void
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Print(LogLevel lvl, std::string_view filename, const std::string& msg) = 0;
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virtual void
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PostLog(std::stringstream& out) const = 0;
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virtual void
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AppendLog(
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LogLevel lvl,
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std::string_view filename,
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int lineno,
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const std::string& nodename,
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const std::string msg)
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{
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std::stringstream ss;
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PreLog(ss, lvl, filename, lineno, nodename);
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ss << msg;
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PostLog(ss);
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Print(lvl, filename, ss.str());
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}
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/// A blocking call to flush to disk. Should only be called in rare circumstances.
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virtual void
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ImmediateFlush() = 0;
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/// called every end of event loop tick
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virtual void
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Tick(llarp_time_t now) = 0;
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};
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using ILogStream_ptr = std::unique_ptr<ILogStream>;
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} // namespace llarp
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