ceph/src/rgw/rgw_tag.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab ft=cpp
   3
   4 #ifndef RGW_TAG_H
   5 #define RGW_TAG_H
   6
   7 #include <string>
   8 #include <include/types.h>
   9 #include <map>
  10
  11 class RGWObjTags
  12 {
  13 public:
  14   using tag_map_t = std::multimap <std::string, std::string>;
  15
  16 protected:
  17   tag_map_t tag_map;
  18
  19   uint32_t max_obj_tags{10};
  20   static constexpr uint32_t max_tag_key_size{128};
  21   static constexpr uint32_t max_tag_val_size{256};
  22
  23  public:
  24   RGWObjTags() = default;
  25   RGWObjTags(uint32_t max_obj_tags):max_obj_tags(max_obj_tags) {}
  26
  27   void encode(bufferlist& bl) const {
  28     ENCODE_START(1,1,bl);
  29     encode(tag_map, bl);
  30     ENCODE_FINISH(bl);
  31   }
  32
  33   void decode(bufferlist::const_iterator &bl) {
  34     DECODE_START_LEGACY_COMPAT_LEN(1, 1, 1, bl);
  35     decode(tag_map,bl);
  36     DECODE_FINISH(bl);
  37   }
  38
  39   void dump(Formatter *f) const;
  40   void add_tag(const std::string& key, const std::string& val="");
  41   void emplace_tag(std::string&& key, std::string&& val);
  42   int check_and_add_tag(const std::string& key, const std::string& val="");
  43   size_t count() const {return tag_map.size();}
  44   int set_from_string(const std::string& input);
  45   void clear() { tag_map.clear(); }
  46   bool empty() const noexcept { return tag_map.empty(); }
  47   const tag_map_t& get_tags() const {return tag_map;}
  48   tag_map_t& get_tags() {return tag_map;}
  49 };
  50 WRITE_CLASS_ENCODER(RGWObjTags)
  51
  52 #endif /* RGW_TAG_H */