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2e9840ea39
Howard Hinnart's date.h is the library that was accepted as C++20 date/calendar support, so this is essentially a backport of C++20 date time support. (It does support timezone support, but requires more of the library and that seems like overkill for what we need; this just prints UTC timestamps instead, which need only a header-only include).
58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
#ifndef LLARP_UTIL_LOGGER_INTERNAL_HPP
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#define LLARP_UTIL_LOGGER_INTERNAL_HPP
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#include <util/time.hpp>
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#include <ctime>
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#include <sstream>
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#include <util/thread/threading.hpp>
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namespace llarp
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{
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/** internal, recursion terminator */
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constexpr void
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LogAppend(std::stringstream&) noexcept
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{
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}
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/** internal */
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template < typename TArg, typename... TArgs >
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void
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LogAppend(std::stringstream& ss, TArg&& arg, TArgs&&... args) noexcept
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{
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ss << std::forward< TArg >(arg);
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LogAppend(ss, std::forward< TArgs >(args)...);
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}
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inline std::string
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thread_id_string()
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{
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auto tid = std::this_thread::get_id();
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std::hash< std::thread::id > h;
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uint16_t id = h(tid) % 1000;
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#if defined(ANDROID) || defined(RPI)
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char buff[8] = {0};
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snprintf(buff, sizeof(buff), "%u", id);
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return buff;
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#else
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return std::to_string(id);
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#endif
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}
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struct log_timestamp
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{
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const char* format;
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const llarp_time_t now;
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const llarp_time_t delta;
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log_timestamp();
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explicit log_timestamp(const char* fmt);
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};
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std::ostream&
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operator<<(std::ostream& out, const log_timestamp& ts);
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} // namespace llarp
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#endif
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