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b6924f3ef1
We're defining formats for std::chrono types, which feels wrong (because fmt itself also has these), so just replace them with functions: short_time_from_now(...) gives a short "in 14m12s" or "5.123s ago" time span relative to now, given a time point. Precision gets reduced for larger deviations from now (e.g. "4h12m ago"). ToString(Duration_t) gives a string such as "-3h22m02.123s" for a duration.
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#pragma once
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#include "types.hpp"
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#include <nlohmann/json.hpp>
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#include <iostream>
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#include <fmt/format.h>
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#include <fmt/chrono.h>
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using namespace std::chrono_literals;
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namespace llarp
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{
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/// get time right now as milliseconds, this is monotonic
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Duration_t
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time_now_ms();
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/// get the uptime of the process
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Duration_t
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uptime();
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/// convert to milliseconds
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uint64_t
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ToMS(Duration_t duration);
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nlohmann::json
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to_json(const Duration_t& t);
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// Returns a string such as "27m13s ago" or "in 1h12m" or "now". You get precision of minutes
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// (for >=1h), seconds (>=10s), or milliseconds. The `now_threshold` argument controls how close
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// to current time (default 1s) the time has to be to get the "now" argument.
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std::string
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short_time_from_now(const TimePoint_t& t, const Duration_t& now_threshold = 1s);
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// Makes a duration human readable. This always has full millisecond precision, but formats up to
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// hours. E.g. "-4h04m12.123s" or "1234h00m09.876s.
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std::string
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ToString(Duration_t t);
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} // namespace llarp
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// Duration_t is currently just a typedef to std::chrono::milliseconds, and specializing
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// that seems wrong; leaving this here to remind us not to add it back in again.
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// namespace fmt
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//{
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// template <>
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// struct formatter<llarp::Duration_t>
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// {
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// };
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//} // namespace fmt
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