initial code repo

[stor4nfv.git] / src / ceph / src / journal / Entry.h

diff --git a/src/ceph/src/journal/Entry.h b/src/ceph/src/journal/Entry.h
new file mode 100644 (file)
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+++ b/src/ceph/src/journal/Entry.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_JOURNAL_ENTRY_H
+#define CEPH_JOURNAL_ENTRY_H
+
+#include "include/int_types.h"
+#include "include/buffer.h"
+#include "include/encoding.h"
+#include <iosfwd>
+#include <string>
+
+namespace ceph {
+class Formatter;
+}
+
+namespace journal {
+
+class Entry {
+public:
+  Entry() : m_tag_tid(0), m_entry_tid() {}
+  Entry(uint64_t tag_tid, uint64_t entry_tid, const bufferlist &data)
+    : m_tag_tid(tag_tid), m_entry_tid(entry_tid), m_data(data)
+  {
+  }
+
+  static uint32_t get_fixed_size();
+
+  inline uint64_t get_tag_tid() const {
+    return m_tag_tid;
+  }
+  inline uint64_t get_entry_tid() const {
+    return m_entry_tid;
+  }
+  inline const bufferlist &get_data() const {
+    return m_data;
+  }
+
+  void encode(bufferlist &bl) const;
+  void decode(bufferlist::iterator &iter);
+  void dump(ceph::Formatter *f) const;
+
+  bool operator==(const Entry& rhs) const;
+
+  static bool is_readable(bufferlist::iterator iter, uint32_t *bytes_needed);
+  static void generate_test_instances(std::list<Entry *> &o);
+
+private:
+  static const uint64_t preamble = 0x3141592653589793;
+
+  uint64_t m_tag_tid;
+  uint64_t m_entry_tid;
+  bufferlist m_data;
+};
+
+std::ostream &operator<<(std::ostream &os, const Entry &entry);
+
+} // namespace journal
+
+using journal::operator<<;
+
+WRITE_CLASS_ENCODER(journal::Entry)
+
+#endif // CEPH_JOURNAL_ENTRY_H