mirror of
https://github.com/matrix-construct/construct
synced 2024-11-18 07:50:57 +01:00
108 lines
2.9 KiB
C++
108 lines
2.9 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_SST_H
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struct ircd::db::database::sst
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{
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struct info;
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struct dump;
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struct scan;
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[[deprecated]]
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static void tool(const vector_view<const string_view> &args);
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};
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/// Get info about an SST file.
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///
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struct ircd::db::database::sst::info
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{
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struct vector;
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std::string name;
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std::string path;
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std::string column;
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std::string filter;
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std::string comparator;
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std::string merge_operator;
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std::string prefix_extractor;
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std::string compression;
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std::string checksum;
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std::string checksum_func;
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uint64_t id {0};
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uint64_t format {0};
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uint64_t cfid {0};
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uint64_t size {0};
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uint64_t head_size {0}; // index_size + filter_size
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uint64_t data_size {0};
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uint64_t file_size {0}; // head_size + data_size
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uint64_t meta_size {0}; // size - data_size (???)
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uint64_t index_root_size {0};
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uint64_t index_data_size {0};
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uint64_t index_size {0}; // index_root_size + index_data_size
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uint64_t filter_size {0};
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uint64_t keys_size {0};
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uint64_t values_size {0};
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uint64_t blocks_size {0}; // keys_size + values_size
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uint64_t index_parts {0};
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uint64_t data_blocks {0};
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uint64_t entries {0};
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uint64_t range_deletes {0};
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uint64_t fixed_key_len {0};
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uint64_t min_seq {0};
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uint64_t max_seq {0};
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std::string min_key;
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std::string max_key;
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uint64_t num_reads {0};
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int level {-1};
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bool compacting {false};
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int32_t version {-1};
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time_t created {0};
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time_t oldest_key {0};
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bool delta_encoding {false};
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float compression_pct {0.0};
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float index_compression_pct {0.0};
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float blocks_compression_pct {0.0};
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info(const database &, const string_view &filename);
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info() = default;
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info &operator=(rocksdb::SstFileMetaData &&);
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info &operator=(rocksdb::LiveFileMetaData &&);
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info &operator=(rocksdb::TableProperties &&);
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};
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struct ircd::db::database::sst::info::vector
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:std::vector<info>
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{
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vector() = default;
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explicit vector(const database &);
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explicit vector(const db::column &);
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};
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struct ircd::db::database::sst::dump
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{
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using key_range = std::pair<string_view, string_view>;
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sst::info info;
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dump(db::column, const key_range & = {}, const string_view &path = {});
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dump(dump &&) = delete;
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dump(const dump &) = delete;
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};
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struct ircd::db::database::sst::scan
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{
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using closure = std::function<bool (const string_view &, const string_view &)>;
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scan(db::database &, const string_view &path, const closure &);
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scan(db::database &, const string_view &path); // VerifyChecksum
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};
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