ceph/src/mgr/DaemonHealthMetric.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #pragma once
   5
   6 #include <cstdint>
   7 #include <ostream>
   8 #include "include/denc.h"
   9
  10 enum class daemon_metric : uint8_t {
  11   SLOW_OPS,
  12   PENDING_CREATING_PGS,
  13   NONE,
  14 };
  15
  16 static inline const char *daemon_metric_name(daemon_metric t) {
  17   switch (t) {
  18   case daemon_metric::SLOW_OPS: return "SLOW_OPS";
  19   case daemon_metric::PENDING_CREATING_PGS: return "PENDING_CREATING_PGS";
  20   case daemon_metric::NONE: return "NONE";
  21   default: return "???";
  22   }
  23 }
  24
  25 union daemon_metric_t {
  26   struct {
  27     uint32_t n1;
  28     uint32_t n2;
  29   };
  30   uint64_t n;
  31   daemon_metric_t(uint32_t x, uint32_t y)
  32     : n1(x), n2(y)
  33   {}
  34   daemon_metric_t(uint64_t x = 0)
  35     : n(x)
  36   {}
  37 };
  38
  39 class DaemonHealthMetric
  40 {
  41 public:
  42   DaemonHealthMetric() = default;
  43   DaemonHealthMetric(daemon_metric type_, uint64_t n)
  44     : type(type_), value(n)
  45   {}
  46   DaemonHealthMetric(daemon_metric type_, uint32_t n1, uint32_t n2)
  47     : type(type_), value(n1, n2)
  48   {}
  49   daemon_metric get_type() const {
  50     return type;
  51   }
  52   uint64_t get_n() const {
  53     return value.n;
  54   }
  55   uint32_t get_n1() const {
  56     return value.n1;
  57   }
  58   uint32_t get_n2() const {
  59     return value.n2;
  60   }
  61   DENC(DaemonHealthMetric, v, p) {
  62     DENC_START(1, 1, p);
  63     denc(v.type, p);
  64     denc(v.value.n, p);
  65     DENC_FINISH(p);
  66   }
  67
  68   friend std::ostream& operator<<(std::ostream& out, const DaemonHealthMetric& m) {
  69     return out << daemon_metric_name(m.get_type()) << "("
  70                << m.get_n() << "|(" << m.get_n1() << "," << m.get_n2() << "))";
  71   }
  72 private:
  73   daemon_metric type = daemon_metric::NONE;
  74   daemon_metric_t value;
  75 };
  76 WRITE_CLASS_DENC(DaemonHealthMetric)