1 files changed, 52 insertions, 0 deletions
diff --git a/src/rgw/rgw_tag.h b/src/rgw/rgw_tag.h
new file mode 100644
index 000000000..88a4e6652
--- /dev/null
+++ b/src/rgw/rgw_tag.h
@@ -0,0 +1,52 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#ifndef RGW_TAG_H
+#define RGW_TAG_H
+
+#include <string>
+#include <include/types.h>
+#include <map>
+
+class RGWObjTags
+{
+public:
+  using tag_map_t = std::multimap <std::string, std::string>;
+
+protected:
+  tag_map_t tag_map;
+
+  uint32_t max_obj_tags{10};
+  static constexpr uint32_t max_tag_key_size{128};
+  static constexpr uint32_t max_tag_val_size{256};
+
+ public:
+  RGWObjTags() = default;
+  RGWObjTags(uint32_t max_obj_tags):max_obj_tags(max_obj_tags) {}
+
+  void encode(bufferlist& bl) const {
+    ENCODE_START(1,1,bl);
+    encode(tag_map, bl);
+    ENCODE_FINISH(bl);
+  }
+
+  void decode(bufferlist::const_iterator &bl) {
+    DECODE_START_LEGACY_COMPAT_LEN(1, 1, 1, bl);
+    decode(tag_map,bl);
+    DECODE_FINISH(bl);
+  }
+
+  void dump(Formatter *f) const;
+  void add_tag(const std::string& key, const std::string& val="");
+  void emplace_tag(std::string&& key, std::string&& val);
+  int check_and_add_tag(const std::string& key, const std::string& val="");
+  size_t count() const {return tag_map.size();}
+  int set_from_string(const std::string& input);
+  void clear() { tag_map.clear(); }
+  bool empty() const noexcept { return tag_map.empty(); }
+  const tag_map_t& get_tags() const {return tag_map;}
+  tag_map_t& get_tags() {return tag_map;}
+};
+WRITE_CLASS_ENCODER(RGWObjTags)
+
+#endif /* RGW_TAG_H */