X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Finclude%2Fobject.h;fp=src%2Fceph%2Fsrc%2Finclude%2Fobject.h;h=50aa3fee240ec6a90d66e2a6923bcc95bd8a42f4;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/include/object.h b/src/ceph/src/include/object.h
new file mode 100644
index 0000000..50aa3fe
--- /dev/null
+++ b/src/ceph/src/include/object.h
@@ -0,0 +1,208 @@
+// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * 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_OBJECT_H
+#define CEPH_OBJECT_H
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include <iosfwd>
+#include <iomanip>
+using namespace std;
+
+#include "include/unordered_map.h"
+
+#include "hash.h"
+#include "encoding.h"
+#include "ceph_hash.h"
+#include "cmp.h"
+
+struct object_t {
+  string name;
+
+  object_t() {}
+  // cppcheck-suppress noExplicitConstructor
+  object_t(const char *s) : name(s) {}
+  // cppcheck-suppress noExplicitConstructor
+  object_t(const string& s) : name(s) {}
+
+  void swap(object_t& o) {
+    name.swap(o.name);
+  }
+  void clear() {
+    name.clear();
+  }
+  
+  void encode(bufferlist &bl) const {
+    ::encode(name, bl);
+  }
+  void decode(bufferlist::iterator &bl) {
+    ::decode(name, bl);
+  }
+};
+WRITE_CLASS_ENCODER(object_t)
+
+inline bool operator==(const object_t& l, const object_t& r) {
+  return l.name == r.name;
+}
+inline bool operator!=(const object_t& l, const object_t& r) {
+  return l.name != r.name;
+}
+inline bool operator>(const object_t& l, const object_t& r) {
+  return l.name > r.name;
+}
+inline bool operator<(const object_t& l, const object_t& r) {
+  return l.name < r.name;
+}
+inline bool operator>=(const object_t& l, const object_t& r) { 
+  return l.name >= r.name;
+}
+inline bool operator<=(const object_t& l, const object_t& r) {
+  return l.name <= r.name;
+}
+inline ostream& operator<<(ostream& out, const object_t& o) {
+  return out << o.name;
+}
+
+namespace std {
+  template<> struct hash<object_t> {
+    size_t operator()(const object_t& r) const { 
+      //static hash<string> H;
+      //return H(r.name);
+      return ceph_str_hash_linux(r.name.c_str(), r.name.length());
+    }
+  };
+} // namespace std
+
+
+struct file_object_t {
+  uint64_t ino, bno;
+  mutable char buf[34];
+
+  file_object_t(uint64_t i=0, uint64_t b=0) : ino(i), bno(b) {
+    buf[0] = 0;
+  }
+  
+  const char *c_str() const {
+    if (!buf[0])
+      snprintf(buf, sizeof(buf), "%llx.%08llx", (long long unsigned)ino, (long long unsigned)bno);
+    return buf;
+  }
+
+  operator object_t() {
+    return object_t(c_str());
+  }
+};
+
+
+// ---------------------------
+// snaps
+
+struct snapid_t {
+  uint64_t val;
+  // cppcheck-suppress noExplicitConstructor
+  snapid_t(uint64_t v=0) : val(v) {}
+  snapid_t operator+=(snapid_t o) { val += o.val; return *this; }
+  snapid_t operator++() { ++val; return *this; }
+  operator uint64_t() const { return val; }  
+};
+
+inline void encode(snapid_t i, bufferlist &bl) { encode(i.val, bl); }
+inline void decode(snapid_t &i, bufferlist::iterator &p) { decode(i.val, p); }
+
+template<>
+struct denc_traits<snapid_t> {
+  static constexpr bool supported = true;
+  static constexpr bool featured = false;
+  static constexpr bool bounded = true;
+  static constexpr bool need_contiguous = true;
+  static void bound_encode(const snapid_t& o, size_t& p) {
+    denc(o.val, p);
+  }
+  static void encode(const snapid_t &o, buffer::list::contiguous_appender& p) {
+    denc(o.val, p);
+  }
+  static void decode(snapid_t& o, buffer::ptr::iterator &p) {
+    denc(o.val, p);
+  }
+};
+
+inline ostream& operator<<(ostream& out, const snapid_t& s) {
+  if (s == CEPH_NOSNAP)
+    return out << "head";
+  else if (s == CEPH_SNAPDIR)
+    return out << "snapdir";
+  else
+    return out << hex << s.val << dec;
+}
+
+
+struct sobject_t {
+  object_t oid;
+  snapid_t snap;
+
+  sobject_t() : snap(0) {}
+  sobject_t(object_t o, snapid_t s) : oid(o), snap(s) {}
+
+  void swap(sobject_t& o) {
+    oid.swap(o.oid);
+    snapid_t t = snap;
+    snap = o.snap;
+    o.snap = t;
+  }
+
+  void encode(bufferlist& bl) const {
+    ::encode(oid, bl);
+    ::encode(snap, bl);
+  }
+  void decode(bufferlist::iterator& bl) {
+    ::decode(oid, bl);
+    ::decode(snap, bl);
+  }
+};
+WRITE_CLASS_ENCODER(sobject_t)
+
+inline bool operator==(const sobject_t &l, const sobject_t &r) {
+  return l.oid == r.oid && l.snap == r.snap;
+}
+inline bool operator!=(const sobject_t &l, const sobject_t &r) {
+  return l.oid != r.oid || l.snap != r.snap;
+}
+inline bool operator>(const sobject_t &l, const sobject_t &r) {
+  return l.oid > r.oid || (l.oid == r.oid && l.snap > r.snap);
+}
+inline bool operator<(const sobject_t &l, const sobject_t &r) {
+  return l.oid < r.oid || (l.oid == r.oid && l.snap < r.snap);
+}
+inline bool operator>=(const sobject_t &l, const sobject_t &r) {
+  return l.oid > r.oid || (l.oid == r.oid && l.snap >= r.snap);
+}
+inline bool operator<=(const sobject_t &l, const sobject_t &r) {
+  return l.oid < r.oid || (l.oid == r.oid && l.snap <= r.snap);
+}
+inline ostream& operator<<(ostream& out, const sobject_t &o) {
+  return out << o.oid << "/" << o.snap;
+}
+namespace std {
+  template<> struct hash<sobject_t> {
+    size_t operator()(const sobject_t &r) const {
+      static hash<object_t> H;
+      static rjhash<uint64_t> I;
+      return H(r.oid) ^ I(r.snap);
+    }
+  };
+} // namespace std
+
+#endif