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https://github.com/matrix-construct/construct
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38 lines
1.5 KiB
C++
38 lines
1.5 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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#define HAVE_IRCD_DB_DATABASE_ENV_RANDOM_RW_FILE_H
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// This file is not part of the standard include stack because it requires
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// RocksDB symbols which we cannot forward declare. It is used internally
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// and does not need to be included by general users of IRCd.
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struct ircd::db::database::env::random_rw_file final
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:rocksdb::RandomRWFile
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{
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using Status = rocksdb::Status;
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using Slice = rocksdb::Slice;
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database &d;
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std::unique_ptr<RandomRWFile> defaults;
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bool use_direct_io() const noexcept override;
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size_t GetRequiredBufferAlignment() const noexcept override;
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Status Read(uint64_t offset, size_t n, Slice *result, char *scratch) const noexcept override;
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Status Write(uint64_t offset, const Slice &data) noexcept override;
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Status Flush() noexcept override;
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Status Sync() noexcept override;
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Status Fsync() noexcept override;
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Status Close() noexcept override;
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random_rw_file(database *const &d, const std::string &name, const EnvOptions &, std::unique_ptr<RandomRWFile> defaults);
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~random_rw_file() noexcept;
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};
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