mirror of
https://github.com/matrix-construct/construct
synced 2024-06-26 13:58:18 +02:00
74 lines
2 KiB
C++
74 lines
2 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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#define HAVE_IRCD_DB_DATABASE_ROCKSDB_H
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/// Forward declarations for rocksdb because we do not include it here.
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///
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/// These are forward declarations to objects we may carry a pointer to.
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/// Users of ircd::db should not have to deal directly with these types.
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///
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namespace rocksdb
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{
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struct DB;
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struct Cache;
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struct Options;
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struct DBOptions;
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struct ColumnFamilyOptions;
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struct PlainTableOptions;
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struct BlockBasedTableOptions;
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struct Iterator;
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struct ColumnFamilyHandle;
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struct WriteBatch;
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struct Slice;
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struct PinnableSlice;
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struct Checkpoint;
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struct SstFileManager;
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struct PerfContext;
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struct IOStatsContext;
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struct LiveFileMetaData;
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struct SstFileMetaData;
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struct SstFileWriter;
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struct TableProperties;
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struct LogFile;
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struct Status;
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}
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//
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// Misc utils
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//
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namespace ircd::db
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{
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// Forward slice suite; consider rocksdb::Slice similar to string_view
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rocksdb::Slice slice(const string_view &);
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string_view slice(const rocksdb::Slice &);
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const char *data(const rocksdb::Slice &);
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size_t size(const rocksdb::Slice &);
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// Forward PinnableSlice suite; this inherits from Slice, but the forward
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// interface doesn't know that here.
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string_view slice(const rocksdb::PinnableSlice &);
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const char *data(const rocksdb::PinnableSlice &);
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size_t size(const rocksdb::PinnableSlice &);
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// Iterator suite.
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bool valid(const rocksdb::Iterator &);
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bool operator!(const rocksdb::Iterator &);
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string_view key(const rocksdb::Iterator &);
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string_view val(const rocksdb::Iterator &);
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}
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inline bool
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ircd::db::operator!(const rocksdb::Iterator &it)
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{
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return !valid(it);
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}
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