// Copyright (c) Vitaliy Filippov, 2019+
// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)

#pragma once

#include <vector>

#define POOL_SCHEME_REPLICATED 1
#define POOL_SCHEME_XOR 2
#define POOL_SCHEME_EC 3
#define POOL_ID_MAX 0x10000
#define POOL_ID_BITS 16
#define INODE_POOL(inode) (pool_id_t)((inode) >> (64 - POOL_ID_BITS))
#define INODE_NO_POOL(inode) (inode_t)(inode & (((uint64_t)1 << (64-POOL_ID_BITS)) - 1))
#define INODE_WITH_POOL(pool_id, inode) (((inode_t)(pool_id) << (64-POOL_ID_BITS)) | INODE_NO_POOL(inode))

// Pool ID is 16 bits long
typedef uint32_t pool_id_t;

typedef uint64_t osd_num_t;
typedef uint32_t pg_num_t;

struct pool_pg_num_t
{
    pool_id_t pool_id;
    pg_num_t pg_num;
};

inline bool operator < (const pool_pg_num_t & a, const pool_pg_num_t & b)
{
    return a.pool_id < b.pool_id || a.pool_id == b.pool_id && a.pg_num < b.pg_num;
}

inline bool operator == (const pool_pg_num_t & a, const pool_pg_num_t & b)
{
    return a.pool_id == b.pool_id && a.pg_num == b.pg_num;
}

inline bool operator != (const pool_pg_num_t & a, const pool_pg_num_t & b)
{
    return a.pool_id != b.pool_id || a.pg_num != b.pg_num;
}

struct pg_history_set_t
{
    std::vector<osd_num_t> osd_set;
    uint64_t min_epoch, max_epoch;
};

inline bool operator == (const pg_history_set_t & a, const pg_history_set_t & b)
{
    return a.min_epoch == b.min_epoch && a.max_epoch == b.max_epoch && a.osd_set == b.osd_set;
}

inline bool operator != (const pg_history_set_t & a, const pg_history_set_t & b)
{
    return a.min_epoch != b.min_epoch || a.max_epoch != b.max_epoch || a.osd_set != b.osd_set;
}

inline bool operator < (const pg_history_set_t & a, const pg_history_set_t & b)
{
    return a.min_epoch < b.min_epoch || a.min_epoch == b.min_epoch &&
        (a.max_epoch < b.max_epoch || a.max_epoch == b.max_epoch && a.osd_set < b.osd_set);
}