ceph/src/crimson/common/formatter.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "formatter.h"
   5
   6 #include <fmt/format.h>
   7 #if FMT_VERSION >= 60000
   8 #include <fmt/chrono.h>
   9 #else
  10 #include <fmt/time.h>
  11 #endif
  12
  13
  14 template <>
  15 struct fmt::formatter<seastar::lowres_system_clock::time_point> {
  16   // ignore the format string
  17   template <typename ParseContext>
  18   constexpr auto parse(ParseContext &ctx) { return ctx.begin(); }
  19
  20   template <typename FormatContext>
  21   auto format(const seastar::lowres_system_clock::time_point& t,
  22               FormatContext& ctx) {
  23     std::time_t tt = std::chrono::duration_cast<std::chrono::seconds>(
  24       t.time_since_epoch()).count();
  25     auto milliseconds = (t.time_since_epoch() %
  26                          std::chrono::seconds(1)).count();
  27     return fmt::format_to(ctx.out(), "{:%Y-%m-%d %H:%M:%S} {:03d}",
  28                           fmt::localtime(tt), milliseconds);
  29   }
  30 };
  31
  32 template <>
  33 struct fmt::formatter<ceph::coarse_real_clock::time_point> {
  34   // ignore the format string
  35   template <typename ParseContext>
  36   constexpr auto parse(ParseContext &ctx) { return ctx.begin(); }
  37
  38   template <typename FormatContext>
  39   auto format(const ceph::coarse_real_clock::time_point& t,
  40               FormatContext& ctx) {
  41     std::time_t tt = std::chrono::duration_cast<std::chrono::seconds>(
  42       t.time_since_epoch()).count();
  43     auto milliseconds = (t.time_since_epoch() %
  44                          std::chrono::seconds(1)).count();
  45     return fmt::format_to(ctx.out(), "{:%Y-%m-%d %H:%M:%S} {:03d}",
  46                           fmt::localtime(tt), milliseconds);
  47   }
  48 };
  49
  50 namespace std {
  51
  52 ostream& operator<<(ostream& out,
  53                     const seastar::lowres_system_clock::time_point& t)
  54 {
  55   return out << fmt::format("{}", t);
  56 }
  57
  58 ostream& operator<<(ostream& out,
  59                     const ceph::coarse_real_clock::time_point& t)
  60 {
  61   return out << fmt::format("{}", t);
  62 }
  63
  64 }