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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 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>
#include "include/cmp.h"
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) {}
const std::string& get_nspace() const { return nspace; }
const std::string& get_oid() const { return oid; }
const std::string& get_locator() const { return locator; }
};
WRITE_EQ_OPERATORS_3(ListObjectImpl, nspace, oid, locator)
WRITE_CMP_OPERATORS_3(ListObjectImpl, nspace, oid, 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
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