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add8402536
This directive allows our disk cache to serve stale responses for a time indicated by the directive itself, while we revalidate the response in the background. Issuing requests that weren't initiated by a client is a new thing for RequestServer. In this implementation, we associate the request with the client that initiated the request to the stale cache entry. This adds a "background request" mode to the Request object, to prevent us from trying to send any of the revalidation response over IPC.
37 lines
773 B
C++
37 lines
773 B
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/Badge.h>
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#include <AK/Optional.h>
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#include <AK/Weakable.h>
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#include <LibHTTP/Forward.h>
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namespace HTTP {
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class CacheRequest : public Weakable<CacheRequest> {
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public:
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virtual ~CacheRequest() = default;
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virtual bool is_revalidation_request() const = 0;
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virtual void notify_request_unblocked(Badge<DiskCache>) = 0;
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protected:
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enum class CacheStatus : u8 {
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Unknown,
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NotCached,
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WrittenToCache,
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ReadFromCache,
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};
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Optional<CacheEntryReader&> m_cache_entry_reader;
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Optional<CacheEntryWriter&> m_cache_entry_writer;
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CacheStatus m_cache_status { CacheStatus::Unknown };
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};
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}
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