ceph/src/common/entity_name.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2011 New Dream Network
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #include "common/entity_name.h"
  16 #include "common/ceph_strings.h"
  17
  18 #include <sstream>
  19
  20 using std::string;
  21
  22
  23 const std::array<EntityName::str_to_entity_type_t, 6> EntityName::STR_TO_ENTITY_TYPE = {{
  24   { CEPH_ENTITY_TYPE_AUTH, "auth" },
  25   { CEPH_ENTITY_TYPE_MON, "mon" },
  26   { CEPH_ENTITY_TYPE_OSD, "osd" },
  27   { CEPH_ENTITY_TYPE_MDS, "mds" },
  28   { CEPH_ENTITY_TYPE_MGR, "mgr" },
  29   { CEPH_ENTITY_TYPE_CLIENT, "client" },
  30 }};
  31
  32 const std::string& EntityName::
  33 to_str() const
  34 {
  35   return type_id;
  36 }
  37
  38 const char* EntityName::
  39 to_cstr() const
  40 {
  41   return type_id.c_str();
  42 }
  43
  44 bool EntityName::
  45 from_str(std::string_view s)
  46 {
  47   size_t pos = s.find('.');
  48
  49   if (pos == string::npos)
  50     return false;
  51
  52   auto type_ = s.substr(0, pos);
  53   auto id_ = s.substr(pos + 1);
  54   if (set(type_, id_))
  55     return false;
  56   return true;
  57 }
  58
  59 void EntityName::
  60 set(uint32_t type_, std::string_view id_)
  61 {
  62   type = type_;
  63   id = id_;
  64
  65   if (type) {
  66     std::ostringstream oss;
  67     oss << ceph_entity_type_name(type_) << "." << id_;
  68     type_id = oss.str();
  69   } else {
  70     type_id.clear();
  71   }
  72 }
  73
  74 int EntityName::
  75 set(std::string_view type_, std::string_view id_)
  76 {
  77   uint32_t t = str_to_ceph_entity_type(type_);
  78   if (t == CEPH_ENTITY_TYPE_ANY)
  79     return -EINVAL;
  80   set(t, id_);
  81   return 0;
  82 }
  83
  84 void EntityName::
  85 set_type(uint32_t type_)
  86 {
  87   set(type_, id);
  88 }
  89
  90 int EntityName::
  91 set_type(std::string_view type_)
  92 {
  93   return set(type_, id);
  94 }
  95
  96 void EntityName::
  97 set_id(std::string_view id_)
  98 {
  99   set(type, id_);
 100 }
 101
 102 void EntityName::set_name(entity_name_t n)
 103 {
 104   char s[40];
 105   sprintf(s, "%lld", (long long)n.num());
 106   set(n.type(), s);
 107 }
 108
 109 const char* EntityName::
 110 get_type_str() const
 111 {
 112   return ceph_entity_type_name(type);
 113 }
 114
 115 std::string_view EntityName::
 116 get_type_name() const
 117 {
 118   return ceph_entity_type_name(type);
 119 }
 120
 121 const std::string &EntityName::
 122 get_id() const
 123 {
 124   return id;
 125 }
 126
 127 bool EntityName::
 128 has_default_id() const
 129 {
 130   return (id == "admin");
 131 }
 132
 133 std::string EntityName::
 134 get_valid_types_as_str()
 135 {
 136   std::ostringstream out;
 137   size_t i;
 138   for (i = 0; i < STR_TO_ENTITY_TYPE.size(); ++i) {
 139     if (i > 0) {
 140       out << ", ";
 141     }
 142     out << STR_TO_ENTITY_TYPE[i].str;
 143   }
 144   return out.str();
 145 }
 146
 147 uint32_t EntityName::str_to_ceph_entity_type(std::string_view s)
 148 {
 149   size_t i;
 150   for (i = 0; i < STR_TO_ENTITY_TYPE.size(); ++i) {
 151     if (s == STR_TO_ENTITY_TYPE[i].str)
 152       return STR_TO_ENTITY_TYPE[i].type;
 153   }
 154   return CEPH_ENTITY_TYPE_ANY;
 155 }
 156
 157 bool operator<(const EntityName& a, const EntityName& b)
 158 {
 159   return (a.type < b.type) || (a.type == b.type && a.id < b.id);
 160 }
 161
 162 std::ostream& operator<<(std::ostream& out, const EntityName& n)
 163 {
 164   return out << n.to_str();
 165 }