mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 18:22:50 +01:00
113 lines
3 KiB
C++
113 lines
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 gopts;
|
|
struct sopts;
|
|
struct cell;
|
|
struct row;
|
|
struct column;
|
|
struct index;
|
|
struct database;
|
|
enum class pos :int8_t;
|
|
|
|
// Errors for the database subsystem. The exceptions that use _HIDENAME
|
|
// are built from RocksDB errors which already have an info string with
|
|
// an included name.
|
|
//
|
|
IRCD_EXCEPTION(ircd::error, error)
|
|
IRCD_EXCEPTION(error, not_found)
|
|
IRCD_EXCEPTION(error, schema_error)
|
|
IRCD_EXCEPTION_HIDENAME(error, corruption)
|
|
IRCD_EXCEPTION_HIDENAME(error, not_supported)
|
|
IRCD_EXCEPTION_HIDENAME(error, invalid_argument)
|
|
IRCD_EXCEPTION_HIDENAME(error, io_error)
|
|
IRCD_EXCEPTION_HIDENAME(error, merge_in_progress)
|
|
IRCD_EXCEPTION_HIDENAME(error, incomplete)
|
|
IRCD_EXCEPTION_HIDENAME(error, shutdown_in_progress)
|
|
IRCD_EXCEPTION_HIDENAME(error, timed_out)
|
|
IRCD_EXCEPTION_HIDENAME(error, aborted)
|
|
IRCD_EXCEPTION_HIDENAME(error, busy)
|
|
IRCD_EXCEPTION_HIDENAME(error, expired)
|
|
IRCD_EXCEPTION_HIDENAME(error, try_again)
|
|
|
|
// db subsystem has its own logging facility
|
|
extern struct log::log log;
|
|
}
|
|
|
|
/// Types of iterator operations
|
|
enum class ircd::db::pos
|
|
:int8_t
|
|
{
|
|
FRONT = -2, // .front() | first element
|
|
PREV = -1, // std::prev() | previous element
|
|
END = 0, // break; | exit iteration (or past the end)
|
|
NEXT = 1, // continue; | next element
|
|
BACK = 2, // .back() | last element
|
|
};
|
|
|
|
#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/options.h"
|
|
#include "database/snapshot.h"
|
|
#include "database/sst.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
|
|
{
|
|
extern const char *const version;
|
|
|
|
// 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);
|
|
|
|
std::vector<std::string> available();
|
|
|
|
string_view reflect(const pos &);
|
|
}
|
|
|
|
namespace ircd
|
|
{
|
|
using db::database;
|
|
}
|
|
|
|
/// Database subsystem initialization and destruction
|
|
struct ircd::db::init
|
|
{
|
|
init();
|
|
~init() noexcept;
|
|
};
|