mirror of
https://github.com/matrix-construct/construct
synced 2024-11-30 02:32:43 +01:00
78 lines
3.5 KiB
C++
78 lines
3.5 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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namespace ircd::db
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{
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struct throw_on_error;
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const auto BLOCKING = rocksdb::ReadTier::kReadAllTier;
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const auto NON_BLOCKING = rocksdb::ReadTier::kBlockCacheTier;
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const auto DEFAULT_READAHEAD = 4_MiB;
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// Dedicated logging facility for rocksdb's log callbacks
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extern log::log rog;
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string_view reflect(const rocksdb::Env::Priority &p);
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string_view reflect(const rocksdb::Env::IOPriority &p);
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string_view reflect(const rocksdb::RandomAccessFile::AccessPattern &p);
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const std::string &reflect(const rocksdb::Tickers &);
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const std::string &reflect(const rocksdb::Histograms &);
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rocksdb::Slice slice(const string_view &);
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string_view slice(const rocksdb::Slice &);
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// Frequently used get options and set options are separate from the string/map system
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rocksdb::WriteOptions &operator+=(rocksdb::WriteOptions &, const sopts &);
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rocksdb::ReadOptions &operator+=(rocksdb::ReadOptions &, const gopts &);
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rocksdb::WriteOptions make_opts(const sopts &);
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rocksdb::ReadOptions make_opts(const gopts &);
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// Database options creator
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bool optstr_find_and_remove(std::string &optstr, const std::string &what);
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rocksdb::DBOptions make_dbopts(std::string &optstr, bool *read_only = nullptr, bool *fsck = nullptr);
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template<class... args> rocksdb::DBOptions make_dbopts(const std::string &, args&&...);
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// Validation functors
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bool valid(const rocksdb::Iterator &);
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bool operator!(const rocksdb::Iterator &);
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using valid_proffer = std::function<bool (const rocksdb::Iterator &)>;
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bool valid(const rocksdb::Iterator &, const valid_proffer &);
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bool valid_eq(const rocksdb::Iterator &, const string_view &);
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bool valid_lte(const rocksdb::Iterator &, const string_view &);
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bool valid_gt(const rocksdb::Iterator &, const string_view &);
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void valid_or_throw(const rocksdb::Iterator &);
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void valid_eq_or_throw(const rocksdb::Iterator &, const string_view &);
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// [GET] seek suite
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template<class pos> bool seek(database::column &, const pos &, const rocksdb::ReadOptions &, std::unique_ptr<rocksdb::Iterator> &it);
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template<class pos> bool seek(database::column &, const pos &, const gopts &, std::unique_ptr<rocksdb::Iterator> &it);
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std::unique_ptr<rocksdb::Iterator> seek(column &, const gopts &);
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std::unique_ptr<rocksdb::Iterator> seek(column &, const string_view &key, const gopts &);
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std::vector<row::value_type> seek(database &, const gopts &);
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std::pair<string_view, string_view> operator*(const rocksdb::Iterator &);
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// [SET] writebatch suite
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std::string debug(const rocksdb::WriteBatch &);
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bool has(const rocksdb::WriteBatch &, const op &);
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void commit(database &, rocksdb::WriteBatch &, const rocksdb::WriteOptions &);
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void commit(database &, rocksdb::WriteBatch &, const sopts &);
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void append(rocksdb::WriteBatch &, column &, const column::delta &delta);
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void append(rocksdb::WriteBatch &, const cell::delta &delta);
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std::vector<std::string> column_names(const std::string &path, const rocksdb::DBOptions &);
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std::vector<std::string> column_names(const std::string &path, const std::string &options);
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}
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struct ircd::db::throw_on_error
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{
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throw_on_error(const rocksdb::Status & = rocksdb::Status::OK());
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};
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