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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) 2019 Red Hat, Inc.
* Copyright (C) 2019 SUSE LLC
*
* 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 <cstdint>
#include <optional>
#include <string>
#include <vector>
#include "include/buffer.h"
#include "include/encoding.h"
#include "include/types.h"
#include "cls/fifo/cls_fifo_types.h"
namespace rados::cls::fifo::op {
struct create_meta
{
std::string id;
std::optional<objv> version;
struct {
std::string name;
std::string ns;
} pool;
std::optional<std::string> oid_prefix;
std::uint64_t max_part_size{0};
std::uint64_t max_entry_size{0};
bool exclusive{false};
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
encode(id, bl);
encode(version, bl);
encode(pool.name, bl);
encode(pool.ns, bl);
encode(oid_prefix, bl);
encode(max_part_size, bl);
encode(max_entry_size, bl);
encode(exclusive, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
decode(id, bl);
decode(version, bl);
decode(pool.name, bl);
decode(pool.ns, bl);
decode(oid_prefix, bl);
decode(max_part_size, bl);
decode(max_entry_size, bl);
decode(exclusive, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(create_meta)
struct get_meta
{
std::optional<objv> version;
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
encode(version, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
decode(version, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(get_meta)
struct get_meta_reply
{
fifo::info info;
std::uint32_t part_header_size{0};
/* per entry extra data that is stored */
std::uint32_t part_entry_overhead{0};
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
encode(info, bl);
encode(part_header_size, bl);
encode(part_entry_overhead, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
decode(info, bl);
decode(part_header_size, bl);
decode(part_entry_overhead, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(get_meta_reply)
struct update_meta
{
objv version;
std::optional<std::uint64_t> tail_part_num;
std::optional<std::uint64_t> head_part_num;
std::optional<std::uint64_t> min_push_part_num;
std::optional<std::uint64_t> max_push_part_num;
std::vector<journal_entry> journal_entries_add;
std::vector<journal_entry> journal_entries_rm;
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
encode(version, bl);
encode(tail_part_num, bl);
encode(head_part_num, bl);
encode(min_push_part_num, bl);
encode(max_push_part_num, bl);
encode(journal_entries_add, bl);
encode(journal_entries_rm, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
decode(version, bl);
decode(tail_part_num, bl);
decode(head_part_num, bl);
decode(min_push_part_num, bl);
decode(max_push_part_num, bl);
decode(journal_entries_add, bl);
decode(journal_entries_rm, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(update_meta)
struct init_part
{
data_params params;
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
std::string tag;
encode(tag, bl);
encode(params, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
std::string tag;
decode(tag, bl);
decode(params, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(init_part)
struct push_part
{
std::deque<ceph::buffer::list> data_bufs;
std::uint64_t total_len{0};
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
std::string tag;
encode(tag, bl);
encode(data_bufs, bl);
encode(total_len, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
std::string tag;
decode(tag, bl);
decode(data_bufs, bl);
decode(total_len, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(push_part)
struct trim_part
{
std::uint64_t ofs{0};
bool exclusive = false;
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
std::optional<std::string> tag;
encode(tag, bl);
encode(ofs, bl);
encode(exclusive, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
std::optional<std::string> tag;
decode(tag, bl);
decode(ofs, bl);
decode(exclusive, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(trim_part)
struct list_part
{
std::uint64_t ofs{0};
int max_entries{100};
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
std::optional<std::string> tag;
encode(tag, bl);
encode(ofs, bl);
encode(max_entries, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
std::optional<std::string> tag;
decode(tag, bl);
decode(ofs, bl);
decode(max_entries, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(list_part)
inline constexpr int MAX_LIST_ENTRIES = 512;
struct list_part_reply
{
std::vector<part_list_entry> entries;
bool more{false};
bool full_part{false}; /* whether part is full or still can be written to.
A non full part is by definition head part */
void encode(ceph::buffer::list& bl) const {
ENCODE_START(1, 1, bl);
std::string tag;
encode(tag, bl);
encode(entries, bl);
encode(more, bl);
encode(full_part, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator& bl) {
DECODE_START(1, bl);
std::string tag;
decode(tag, bl);
decode(entries, bl);
decode(more, bl);
decode(full_part, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(list_part_reply)
struct get_part_info
{
void encode(ceph::buffer::list &bl) const {
ENCODE_START(1, 1, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator &bl) {
DECODE_START(1, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(get_part_info)
struct get_part_info_reply
{
part_header header;
void encode(ceph::buffer::list &bl) const {
ENCODE_START(1, 1, bl);
encode(header, bl);
ENCODE_FINISH(bl);
}
void decode(ceph::buffer::list::const_iterator &bl) {
DECODE_START(1, bl);
decode(header, bl);
DECODE_FINISH(bl);
}
};
WRITE_CLASS_ENCODER(get_part_info_reply)
inline constexpr auto CLASS = "fifo";
inline constexpr auto CREATE_META = "create_meta";
inline constexpr auto GET_META = "get_meta";
inline constexpr auto UPDATE_META = "update_meta";
inline constexpr auto INIT_PART = "init_part";
inline constexpr auto PUSH_PART = "push_part";
inline constexpr auto TRIM_PART = "trim_part";
inline constexpr auto LIST_PART = "part_list";
inline constexpr auto GET_PART_INFO = "get_part_info";
} // namespace rados::cls::fifo::op
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