blob: 59ada2e0994f3687495dedc5bf95e702084574e2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// -*- 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 David Zafman <dzafman@redhat.com>
*
* 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_LIBRADOS_LISTOBJECTIMPL_H
#define CEPH_LIBRADOS_LISTOBJECTIMPL_H
#include <string>
#include <include/rados/librados.hpp>
namespace librados {
struct ListObjectImpl {
std::string nspace;
std::string oid;
std::string locator;
ListObjectImpl() {}
ListObjectImpl(std::string n, std::string o, std::string l):
nspace(n), oid(o), locator(l) {}
auto operator<=>(const ListObjectImpl&) const = default;
const std::string& get_nspace() const { return nspace; }
const std::string& get_oid() const { return oid; }
const std::string& get_locator() const { return locator; }
};
inline std::ostream& operator<<(std::ostream& out, const struct ListObjectImpl& lop) {
out << (lop.nspace.size() ? lop.nspace + "/" : "") << lop.oid
<< (lop.locator.size() ? "@" + lop.locator : "");
return out;
}
class NObjectIteratorImpl {
public:
NObjectIteratorImpl() {}
~NObjectIteratorImpl();
NObjectIteratorImpl(const NObjectIteratorImpl &rhs);
NObjectIteratorImpl& operator=(const NObjectIteratorImpl& rhs);
bool operator==(const NObjectIteratorImpl& rhs) const;
bool operator!=(const NObjectIteratorImpl& rhs) const;
const ListObject& operator*() const;
const ListObject* operator->() const;
NObjectIteratorImpl &operator++(); // Preincrement
NObjectIteratorImpl operator++(int); // Postincrement
const ListObject *get_listobjectp() { return &cur_obj; }
/// get current hash position of the iterator, rounded to the current pg
uint32_t get_pg_hash_position() const;
/// move the iterator to a given hash position. this may (will!) be rounded to the nearest pg.
uint32_t seek(uint32_t pos);
/// move the iterator to a given cursor position
uint32_t seek(const librados::ObjectCursor& cursor);
/// get current cursor position
librados::ObjectCursor get_cursor();
void set_filter(const bufferlist &bl);
NObjectIteratorImpl(ObjListCtx *ctx_);
void get_next();
std::shared_ptr < ObjListCtx > ctx;
ListObject cur_obj;
};
}
#endif
|