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163e8e5b44
This is a bit of a blunt hammer, but this hooks an action to clear the HTTP disk cache into the existing Clear Cache action. Upon invocation, it stops all existing cache entries from making further progress, and then deletes the entire cache index and all cache files. In the future, we will of course want more fine-grained control over cache deletion, e.g. via an about:history page.
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/*
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* Copyright (c) 2025, 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/Time.h>
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#include <AK/Types.h>
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#include <LibDatabase/Database.h>
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namespace RequestServer {
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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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u64 cache_key { 0 };
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String url;
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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, 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_all_entries();
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Optional<Entry&> find_entry(u64 cache_key);
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void update_last_access_time(u64 cache_key);
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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_all_entries { 0 };
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Database::StatementID select_entry { 0 };
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Database::StatementID update_last_access_time { 0 };
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};
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CacheIndex(Database::Database&, Statements);
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Database::Database& m_database;
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Statements m_statements;
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HashMap<u32, Entry> m_entries;
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};
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}
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