initial code repo

[stor4nfv.git] / src / ceph / src / os / kstore / kstore_types.h

diff --git a/src/ceph/src/os/kstore/kstore_types.h b/src/ceph/src/os/kstore/kstore_types.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2014 Red Hat
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_OSD_KSTORE_TYPES_H
+#define CEPH_OSD_KSTORE_TYPES_H
+
+#include <ostream>
+#include "include/types.h"
+#include "include/interval_set.h"
+#include "include/utime.h"
+#include "common/hobject.h"
+
+namespace ceph {
+  class Formatter;
+}
+/// collection metadata
+struct kstore_cnode_t {
+  uint32_t bits;   ///< how many bits of coll pgid are significant
+
+  explicit kstore_cnode_t(int b=0) : bits(b) {}
+
+  void encode(bufferlist& bl) const;
+  void decode(bufferlist::iterator& p);
+  void dump(Formatter *f) const;
+  static void generate_test_instances(list<kstore_cnode_t*>& o);
+};
+WRITE_CLASS_ENCODER(kstore_cnode_t)
+
+/// onode: per-object metadata
+struct kstore_onode_t {
+  uint64_t nid;                        ///< numeric id (locally unique)
+  uint64_t size;                       ///< object size
+  map<string, bufferptr> attrs;        ///< attrs
+  uint64_t omap_head;                  ///< id for omap root node
+  uint32_t stripe_size;                ///< stripe size
+
+  uint32_t expected_object_size;
+  uint32_t expected_write_size;
+  uint32_t alloc_hint_flags;
+
+  kstore_onode_t()
+    : nid(0),
+      size(0),
+      omap_head(0),
+      stripe_size(0),
+      expected_object_size(0),
+      expected_write_size(0),
+      alloc_hint_flags(0) {}
+
+  void encode(bufferlist& bl) const;
+  void decode(bufferlist::iterator& p);
+  void dump(Formatter *f) const;
+  static void generate_test_instances(list<kstore_onode_t*>& o);
+};
+WRITE_CLASS_ENCODER(kstore_onode_t)
+
+#endif