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ircd::db: Split internal db header.

This commit is contained in:
Jason Volk 2018-01-23 15:39:44 -08:00
parent 755783ade8
commit c06dd2e9df
2 changed files with 85 additions and 70 deletions

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@ -48,84 +48,21 @@
#include <ircd/db/database/env/directory.h>
#include <ircd/db/database/env/file_lock.h>
namespace ircd::db
{
const auto BLOCKING = rocksdb::ReadTier::kReadAllTier;
const auto NON_BLOCKING = rocksdb::ReadTier::kBlockCacheTier;
const auto DEFAULT_READAHEAD = 4_MiB;
#include "db.h"
struct throw_on_error;
string_view reflect(const rocksdb::Env::Priority &p);
string_view reflect(const rocksdb::Env::IOPriority &p);
string_view reflect(const rocksdb::RandomAccessFile::AccessPattern &p);
const std::string &reflect(const rocksdb::Tickers &);
const std::string &reflect(const rocksdb::Histograms &);
rocksdb::Slice slice(const string_view &);
string_view slice(const rocksdb::Slice &);
// Frequently used get options and set options are separate from the string/map system
rocksdb::WriteOptions &operator+=(rocksdb::WriteOptions &, const sopts &);
rocksdb::ReadOptions &operator+=(rocksdb::ReadOptions &, const gopts &);
rocksdb::WriteOptions make_opts(const sopts &);
rocksdb::ReadOptions make_opts(const gopts &);
// Database options creator
bool optstr_find_and_remove(std::string &optstr, const std::string &what);
rocksdb::DBOptions make_dbopts(std::string &optstr, bool *read_only = nullptr, bool *fsck = nullptr);
template<class... args> rocksdb::DBOptions make_dbopts(const std::string &, args&&...);
// Validation functors
bool valid(const rocksdb::Iterator &);
bool operator!(const rocksdb::Iterator &);
using valid_proffer = std::function<bool (const rocksdb::Iterator &)>;
bool valid(const rocksdb::Iterator &, const valid_proffer &);
bool valid_eq(const rocksdb::Iterator &, const string_view &);
bool valid_lte(const rocksdb::Iterator &, const string_view &);
bool valid_gt(const rocksdb::Iterator &, const string_view &);
void valid_or_throw(const rocksdb::Iterator &);
void valid_eq_or_throw(const rocksdb::Iterator &, const string_view &);
// [GET] seek suite
template<class pos> bool seek(database::column &, const pos &, const rocksdb::ReadOptions &, std::unique_ptr<rocksdb::Iterator> &it);
template<class pos> bool seek(database::column &, const pos &, const gopts &, std::unique_ptr<rocksdb::Iterator> &it);
std::unique_ptr<rocksdb::Iterator> seek(column &, const gopts &);
std::unique_ptr<rocksdb::Iterator> seek(column &, const string_view &key, const gopts &);
std::vector<row::value_type> seek(database &, const gopts &);
std::pair<string_view, string_view> operator*(const rocksdb::Iterator &);
// [SET] writebatch suite
std::string debug(const rocksdb::WriteBatch &);
bool has(const rocksdb::WriteBatch &, const op &);
void commit(database &, rocksdb::WriteBatch &, const rocksdb::WriteOptions &);
void commit(database &, rocksdb::WriteBatch &, const sopts &);
void append(rocksdb::WriteBatch &, column &, const column::delta &delta);
void append(rocksdb::WriteBatch &, const cell::delta &delta);
std::vector<std::string> column_names(const std::string &path, const rocksdb::DBOptions &);
std::vector<std::string> column_names(const std::string &path, const std::string &options);
}
struct ircd::db::throw_on_error
{
throw_on_error(const rocksdb::Status & = rocksdb::Status::OK());
};
ircd::log::log ircd::db::log
decltype(ircd::db::log)
ircd::db::log
{
// Dedicated logging facility for the database subsystem
"db", 'D'
};
namespace ircd::db
decltype(ircd::db::rog)
ircd::db::rog
{
// Dedicated logging facility for rocksdb's log callbacks
log::log rog
{
"rdb", 'R'
};
}
"rdb", 'R'
};
std::map<ircd::string_view, ircd::db::database *>
ircd::db::database::dbs

78
ircd/db.h Normal file
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@ -0,0 +1,78 @@
// 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
namespace ircd::db
{
struct throw_on_error;
const auto BLOCKING = rocksdb::ReadTier::kReadAllTier;
const auto NON_BLOCKING = rocksdb::ReadTier::kBlockCacheTier;
const auto DEFAULT_READAHEAD = 4_MiB;
// Dedicated logging facility for rocksdb's log callbacks
extern log::log rog;
string_view reflect(const rocksdb::Env::Priority &p);
string_view reflect(const rocksdb::Env::IOPriority &p);
string_view reflect(const rocksdb::RandomAccessFile::AccessPattern &p);
const std::string &reflect(const rocksdb::Tickers &);
const std::string &reflect(const rocksdb::Histograms &);
rocksdb::Slice slice(const string_view &);
string_view slice(const rocksdb::Slice &);
// Frequently used get options and set options are separate from the string/map system
rocksdb::WriteOptions &operator+=(rocksdb::WriteOptions &, const sopts &);
rocksdb::ReadOptions &operator+=(rocksdb::ReadOptions &, const gopts &);
rocksdb::WriteOptions make_opts(const sopts &);
rocksdb::ReadOptions make_opts(const gopts &);
// Database options creator
bool optstr_find_and_remove(std::string &optstr, const std::string &what);
rocksdb::DBOptions make_dbopts(std::string &optstr, bool *read_only = nullptr, bool *fsck = nullptr);
template<class... args> rocksdb::DBOptions make_dbopts(const std::string &, args&&...);
// Validation functors
bool valid(const rocksdb::Iterator &);
bool operator!(const rocksdb::Iterator &);
using valid_proffer = std::function<bool (const rocksdb::Iterator &)>;
bool valid(const rocksdb::Iterator &, const valid_proffer &);
bool valid_eq(const rocksdb::Iterator &, const string_view &);
bool valid_lte(const rocksdb::Iterator &, const string_view &);
bool valid_gt(const rocksdb::Iterator &, const string_view &);
void valid_or_throw(const rocksdb::Iterator &);
void valid_eq_or_throw(const rocksdb::Iterator &, const string_view &);
// [GET] seek suite
template<class pos> bool seek(database::column &, const pos &, const rocksdb::ReadOptions &, std::unique_ptr<rocksdb::Iterator> &it);
template<class pos> bool seek(database::column &, const pos &, const gopts &, std::unique_ptr<rocksdb::Iterator> &it);
std::unique_ptr<rocksdb::Iterator> seek(column &, const gopts &);
std::unique_ptr<rocksdb::Iterator> seek(column &, const string_view &key, const gopts &);
std::vector<row::value_type> seek(database &, const gopts &);
std::pair<string_view, string_view> operator*(const rocksdb::Iterator &);
// [SET] writebatch suite
std::string debug(const rocksdb::WriteBatch &);
bool has(const rocksdb::WriteBatch &, const op &);
void commit(database &, rocksdb::WriteBatch &, const rocksdb::WriteOptions &);
void commit(database &, rocksdb::WriteBatch &, const sopts &);
void append(rocksdb::WriteBatch &, column &, const column::delta &delta);
void append(rocksdb::WriteBatch &, const cell::delta &delta);
std::vector<std::string> column_names(const std::string &path, const rocksdb::DBOptions &);
std::vector<std::string> column_names(const std::string &path, const std::string &options);
}
struct ircd::db::throw_on_error
{
throw_on_error(const rocksdb::Status & = rocksdb::Status::OK());
};