initial code repo

[stor4nfv.git] / src / ceph / src / cls / journal / cls_journal_types.h

diff --git a/src/ceph/src/cls/journal/cls_journal_types.h b/src/ceph/src/cls/journal/cls_journal_types.h
new file mode 100644 (file)
index 0000000..f2cb841
--- /dev/null
+++ b/src/ceph/src/cls/journal/cls_journal_types.h
@@ -0,0 +1,157 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_CLS_JOURNAL_TYPES_H
+#define CEPH_CLS_JOURNAL_TYPES_H
+
+#include "include/int_types.h"
+#include "include/buffer_fwd.h"
+#include "include/encoding.h"
+#include <iosfwd>
+#include <list>
+#include <string>
+
+namespace ceph {
+class Formatter;
+}
+
+namespace cls {
+namespace journal {
+
+static const uint64_t JOURNAL_MAX_RETURN = 256;
+
+struct ObjectPosition {
+  uint64_t object_number;
+  uint64_t tag_tid;
+  uint64_t entry_tid;
+
+  ObjectPosition() : object_number(0), tag_tid(0), entry_tid(0) {}
+  ObjectPosition(uint64_t _object_number, uint64_t _tag_tid,
+                 uint64_t _entry_tid)
+    : object_number(_object_number), tag_tid(_tag_tid), entry_tid(_entry_tid) {}
+
+  inline bool operator==(const ObjectPosition& rhs) const {
+    return (object_number == rhs.object_number &&
+            tag_tid == rhs.tag_tid &&
+            entry_tid == rhs.entry_tid);
+  }
+
+  void encode(bufferlist& bl) const;
+  void decode(bufferlist::iterator& iter);
+  void dump(Formatter *f) const;
+
+  inline bool operator<(const ObjectPosition &rhs) const {
+    if (object_number != rhs.object_number) {
+      return object_number < rhs.object_number;
+    } else if (tag_tid != rhs.tag_tid) {
+      return tag_tid < rhs.tag_tid;
+    }
+    return entry_tid < rhs.entry_tid;
+  }
+
+  static void generate_test_instances(std::list<ObjectPosition *> &o);
+};
+
+typedef std::list<ObjectPosition> ObjectPositions;
+
+struct ObjectSetPosition {
+  // stored in most-recent -> least recent committed entry order
+  ObjectPositions object_positions;
+
+  ObjectSetPosition() {}
+  ObjectSetPosition(const ObjectPositions &_object_positions)
+    : object_positions(_object_positions) {}
+
+  void encode(bufferlist& bl) const;
+  void decode(bufferlist::iterator& iter);
+  void dump(Formatter *f) const;
+
+  inline bool operator==(const ObjectSetPosition &rhs) const {
+    return (object_positions == rhs.object_positions);
+  }
+
+  static void generate_test_instances(std::list<ObjectSetPosition *> &o);
+};
+
+enum ClientState {
+  CLIENT_STATE_CONNECTED = 0,
+  CLIENT_STATE_DISCONNECTED = 1
+};
+
+struct Client {
+  std::string id;
+  bufferlist data;
+  ObjectSetPosition commit_position;
+  ClientState state;
+
+  Client() : state(CLIENT_STATE_CONNECTED) {}
+  Client(const std::string& _id, const bufferlist &_data,
+         const ObjectSetPosition &_commit_position = ObjectSetPosition(),
+         ClientState _state = CLIENT_STATE_CONNECTED)
+    : id(_id), data(_data), commit_position(_commit_position), state(_state) {}
+
+  inline bool operator==(const Client &rhs) const {
+    return (id == rhs.id &&
+            data.contents_equal(rhs.data) &&
+            commit_position == rhs.commit_position &&
+            state == rhs.state);
+  }
+  inline bool operator<(const Client &rhs) const {
+    return (id < rhs.id);
+  }
+
+  void encode(bufferlist& bl) const;
+  void decode(bufferlist::iterator& iter);
+  void dump(Formatter *f) const;
+
+  static void generate_test_instances(std::list<Client *> &o);
+};
+
+struct Tag {
+  static const uint64_t TAG_CLASS_NEW = static_cast<uint64_t>(-1);
+
+  uint64_t tid;
+  uint64_t tag_class;
+  bufferlist data;
+
+  Tag() : tid(0), tag_class(0) {}
+  Tag(uint64_t tid, uint64_t tag_class, const bufferlist &data)
+    : tid(tid), tag_class(tag_class), data(data) {}
+
+  inline bool operator==(const Tag &rhs) const {
+    return (tid == rhs.tid &&
+            tag_class == rhs.tag_class &&
+            data.contents_equal(rhs.data));
+  }
+  inline bool operator<(const Tag &rhs) const {
+    return (tid < rhs.tid);
+  }
+
+  void encode(bufferlist& bl) const;
+  void decode(bufferlist::iterator& iter);
+  void dump(Formatter *f) const;
+
+  static void generate_test_instances(std::list<Tag *> &o);
+};
+
+WRITE_CLASS_ENCODER(ObjectPosition);
+WRITE_CLASS_ENCODER(ObjectSetPosition);
+WRITE_CLASS_ENCODER(Client);
+WRITE_CLASS_ENCODER(Tag);
+
+std::ostream &operator<<(std::ostream &os, const ClientState &state);
+std::ostream &operator<<(std::ostream &os,
+                         const ObjectPosition &object_position);
+std::ostream &operator<<(std::ostream &os,
+                         const ObjectSetPosition &object_set_position);
+std::ostream &operator<<(std::ostream &os,
+                        const Client &client);
+std::ostream &operator<<(std::ostream &os, const Tag &tag);
+
+} // namespace journal
+} // namespace cls
+
+using cls::journal::encode;
+using cls::journal::decode;
+
+#endif // CEPH_CLS_JOURNAL_TYPES_H