mirror of
https://github.com/LadybirdBrowser/ladybird
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36a826815d
We need to store request headers in order to handle Vary mismatches. (Note we should also be using BLOB for header storage in sqlite, as they are not necessarily UTF-8.)
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/*
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* Copyright (c) 2025-2026, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/HashMap.h>
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#include <AK/NonnullRawPtr.h>
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#include <AK/Time.h>
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#include <AK/Types.h>
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#include <LibDatabase/Database.h>
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#include <LibHTTP/HeaderList.h>
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#include <LibRequests/CacheSizes.h>
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namespace HTTP {
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// The cache index is a SQL database containing metadata about each cache entry. An entry in the index is created once
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// the entire cache entry has been successfully written to disk.
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class CacheIndex {
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struct Entry {
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String url;
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NonnullRefPtr<HeaderList> request_headers;
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NonnullRefPtr<HeaderList> response_headers;
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u64 data_size { 0 };
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UnixDateTime request_time;
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UnixDateTime response_time;
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UnixDateTime last_access_time;
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};
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public:
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static ErrorOr<CacheIndex> create(Database::Database&);
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void create_entry(u64 cache_key, String url, NonnullRefPtr<HeaderList> request_headers, NonnullRefPtr<HeaderList> response_headers, u64 data_size, UnixDateTime request_time, UnixDateTime response_time);
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void remove_entry(u64 cache_key);
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void remove_entries_accessed_since(UnixDateTime, Function<void(u64 cache_key)> on_entry_removed);
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Optional<Entry&> find_entry(u64 cache_key);
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void update_response_headers(u64 cache_key, NonnullRefPtr<HeaderList>);
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void update_last_access_time(u64 cache_key);
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Requests::CacheSizes estimate_cache_size_accessed_since(UnixDateTime since);
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private:
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struct Statements {
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Database::StatementID insert_entry { 0 };
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Database::StatementID remove_entry { 0 };
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Database::StatementID remove_entries_accessed_since { 0 };
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Database::StatementID select_entry { 0 };
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Database::StatementID update_response_headers { 0 };
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Database::StatementID update_last_access_time { 0 };
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Database::StatementID estimate_cache_size_accessed_since { 0 };
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};
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CacheIndex(Database::Database&, Statements);
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NonnullRawPtr<Database::Database> m_database;
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Statements m_statements;
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HashMap<u64, Entry> m_entries;
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};
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}
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