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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2020 Red Hat, Inc
*
* 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.
*/
#pragma once
#include <optional>
#include "include/rados/librados_fwd.hpp"
#include "include/buffer_fwd.h"
#include "common/ceph_time.h"
class RGWSI_RADOS;
class RGWCoroutine;
struct rgw_raw_obj;
struct rgw_bucket_shard;
namespace rgw::error_repo {
// binary-encode a bucket/shard/gen and return it as a string
std::string encode_key(const rgw_bucket_shard& bs,
std::optional<uint64_t> gen);
// try to decode a key. returns -EINVAL if not in binary format
int decode_key(std::string encoded,
rgw_bucket_shard& bs,
std::optional<uint64_t>& gen);
// decode a timestamp as a uint64_t for CMPXATTR_MODE_U64
ceph::real_time decode_value(const ceph::bufferlist& bl);
// write an omap key iff the given timestamp is newer
int write(librados::ObjectWriteOperation& op,
const std::string& key,
ceph::real_time timestamp);
RGWCoroutine* write_cr(RGWSI_RADOS* rados,
const rgw_raw_obj& obj,
const std::string& key,
ceph::real_time timestamp);
// remove an omap key iff there isn't a newer timestamp
int remove(librados::ObjectWriteOperation& op,
const std::string& key,
ceph::real_time timestamp);
RGWCoroutine* remove_cr(RGWSI_RADOS* rados,
const rgw_raw_obj& obj,
const std::string& key,
ceph::real_time timestamp);
} // namespace rgw::error_repo
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