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construct/include/ircd/db/db.h

93 lines
2.3 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_DB_H
/// Database: an object store from the primitives of `cell`, `column`, and `row`.
namespace ircd::db
{
struct init;
struct error;
struct gopts;
struct sopts;
struct cell;
struct row;
struct column;
struct index;
struct database;
struct options;
// db subsystem has its own logging facility
extern struct log::log log;
// Version information from rocksdb headers (when building ircd).
extern const uint version[3];
extern const string_view version_str;
// Version of the RocksDB shared library (when running ircd).
extern const uint abi_version[3];
extern const string_view abi_version_str;
// Supported compressions (detected when running ircd)
extern std::array<std::string, 16> compressions;
}
#include "pos.h"
#include "delta.h"
#include "comparator.h"
#include "compactor.h"
#include "prefix.h"
#include "merge.h"
#include "descriptor.h"
#include "database/rocksdb.h"
#include "database/database.h"
#include "database/snapshot.h"
#include "database/sst.h"
#include "database/wal.h"
#include "error.h"
#include "cache.h"
#include "opts.h"
#include "column.h"
#include "cell.h"
#include "row.h"
#include "index.h"
#include "json.h"
#include "txn.h"
#include "stats.h"
//
// Misc utils
//
namespace ircd::db
{
// Utils for "name:checkpoint" string amalgam
std::string namepoint(const string_view &name, const uint64_t &checkpoint);
std::pair<string_view, uint64_t> namepoint(const string_view &name);
// Generate local filesytem path based on name / name:checkpoint / etc.
std::string path(const string_view &name, const uint64_t &checkpoint);
std::string path(const string_view &name);
// Paths of available databases.
std::vector<std::string> available();
}
namespace ircd
{
using db::database;
}
/// Database subsystem initialization and destruction
struct ircd::db::init
{
init();
~init() noexcept;
};