lokinet/llarp/util/time.cpp

114 lines
2.8 KiB
C++

#include "time.hpp"
#include "types.hpp"
namespace llarp
{
namespace
{
using Clock_t = std::chrono::system_clock;
template <typename Res, typename Clock>
static Duration_t
time_since_epoch(std::chrono::time_point<Clock> point)
{
return std::chrono::duration_cast<Res>(point.time_since_epoch());
}
const static auto started_at_system = Clock_t::now();
const static auto started_at_steady = std::chrono::steady_clock::now();
} // namespace
uint64_t
ToMS(Duration_t ms)
{
return ms.count();
}
/// get our uptime in ms
Duration_t
uptime()
{
return std::chrono::duration_cast<Duration_t>(
std::chrono::steady_clock::now() - started_at_steady);
}
rc_time
time_point_now()
{
return std::chrono::time_point_cast<std::chrono::seconds>(std::chrono::system_clock::now());
}
Duration_t
time_now_ms()
{
auto t = uptime();
#ifdef TESTNET_SPEED
t /= uint64_t{TESTNET_SPEED};
#endif
return t + time_since_epoch<Duration_t, Clock_t>(started_at_system);
}
nlohmann::json
to_json(const Duration_t& t)
{
return ToMS(t);
}
static auto
extract_h_m_s_ms(const Duration_t& dur)
{
return std::make_tuple(
std::chrono::duration_cast<std::chrono::hours>(dur).count(),
(std::chrono::duration_cast<std::chrono::minutes>(dur) % 1h).count(),
(std::chrono::duration_cast<std::chrono::seconds>(dur) % 1min).count(),
(std::chrono::duration_cast<std::chrono::milliseconds>(dur) % 1s).count());
}
std::string
short_time_from_now(const TimePoint_t& t, const Duration_t& now_threshold)
{
auto delta = std::chrono::duration_cast<Duration_t>(llarp::TimePoint_t::clock::now() - t);
bool future = delta < 0s;
if (future)
delta = -delta;
auto [hours, mins, secs, ms] = extract_h_m_s_ms(delta);
using namespace fmt::literals;
return fmt::format(
delta < now_threshold ? "now"
: delta < 10s ? "{in}{secs:d}.{ms:03d}s{ago}"
: delta < 1h ? "{in}{mins:d}m{secs:02d}s{ago}"
: "{in}{hours:d}h{mins:02d}m{ago}",
"in"_a = future ? "in " : "",
"ago"_a = future ? "" : " ago",
"hours"_a = hours,
"mins"_a = mins,
"secs"_a = secs,
"ms"_a = ms);
}
std::string
ToString(Duration_t delta)
{
bool neg = delta < 0s;
if (neg)
delta = -delta;
auto [hours, mins, secs, ms] = extract_h_m_s_ms(delta);
using namespace fmt::literals;
return fmt::format(
delta < 1min ? "{neg}{secs:d}.{ms:03d}s"
: delta < 1h ? "{neg}{mins:d}m{secs:02d}.{ms:03d}s"
: "{neg}{hours:d}h{mins:02d}m{secs:02d}.{ms:03d}s",
"neg"_a = neg ? "-" : "",
"hours"_a = hours,
"mins"_a = mins,
"secs"_a = secs,
"ms"_a = ms);
}
} // namespace llarp