ceph/src/log/SubsystemMap.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_LOG_SUBSYSTEMS
   5 #define CEPH_LOG_SUBSYSTEMS
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "include/assert.h"
  11
  12 namespace ceph {
  13 namespace logging {
  14
  15 struct Subsystem {
  16   int log_level, gather_level;
  17   std::string name;
  18
  19   Subsystem() : log_level(0), gather_level(0) {}
  20 };
  21
  22 class SubsystemMap {
  23   std::vector<Subsystem> m_subsys;
  24   unsigned m_max_name_len;
  25
  26   friend class Log;
  27
  28 public:
  29   SubsystemMap() : m_max_name_len(0) {}
  30
  31   size_t get_num() const {
  32     return m_subsys.size();
  33   }
  34
  35   int get_max_subsys_len() const {
  36     return m_max_name_len;
  37   }
  38
  39   void add(unsigned subsys, std::string name, int log, int gather);
  40   void set_log_level(unsigned subsys, int log);
  41   void set_gather_level(unsigned subsys, int gather);
  42
  43   int get_log_level(unsigned subsys) const {
  44     if (subsys >= m_subsys.size())
  45       subsys = 0;
  46     return m_subsys[subsys].log_level;
  47   }
  48
  49   int get_gather_level(unsigned subsys) const {
  50     if (subsys >= m_subsys.size())
  51       subsys = 0;
  52     return m_subsys[subsys].gather_level;
  53   }
  54
  55   const std::string& get_name(unsigned subsys) const {
  56     if (subsys >= m_subsys.size())
  57       subsys = 0;
  58     return m_subsys[subsys].name;
  59   }
  60
  61   bool should_gather(unsigned sub, int level) {
  62     assert(sub < m_subsys.size());
  63     return level <= m_subsys[sub].gather_level ||
  64       level <= m_subsys[sub].log_level;
  65   }
  66 };
  67
  68 }
  69 }
  70
  71 #endif