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8419ddb4d8
...instead of doing so immediately. This makes RequestServer not spin as much when its client isn't fast enough to empty the download pipe. It also has the nice benefit of allowing multiple downloads to happen at the same time without one blocking the other too much.
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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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/FileStream.h>
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#include <AK/HashMap.h>
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#include <AK/Optional.h>
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#include <LibCore/NetworkJob.h>
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#include <LibCore/TCPSocket.h>
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#include <LibHTTP/HttpRequest.h>
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#include <LibHTTP/HttpResponse.h>
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namespace HTTP {
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class Job : public Core::NetworkJob {
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public:
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explicit Job(const HttpRequest&, OutputStream&);
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virtual ~Job() override;
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virtual void start() override = 0;
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virtual void shutdown() override = 0;
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HttpResponse* response() { return static_cast<HttpResponse*>(Core::NetworkJob::response()); }
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const HttpResponse* response() const { return static_cast<const HttpResponse*>(Core::NetworkJob::response()); }
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protected:
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void finish_up();
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void on_socket_connected();
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void flush_received_buffers();
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virtual void register_on_ready_to_read(Function<void()>) = 0;
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virtual void register_on_ready_to_write(Function<void()>) = 0;
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virtual bool can_read_line() const = 0;
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virtual String read_line(size_t) = 0;
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virtual bool can_read() const = 0;
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virtual ByteBuffer receive(size_t) = 0;
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virtual bool eof() const = 0;
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virtual bool write(ReadonlyBytes) = 0;
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virtual bool is_established() const = 0;
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virtual bool should_fail_on_empty_payload() const { return true; }
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virtual void read_while_data_available(Function<IterationDecision()> read) { read(); };
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virtual void timer_event(Core::TimerEvent&) override;
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enum class State {
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InStatus,
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InHeaders,
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InBody,
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Trailers,
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Finished,
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};
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HttpRequest m_request;
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State m_state { State::InStatus };
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int m_code { -1 };
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HashMap<String, String, CaseInsensitiveStringTraits> m_headers;
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Vector<ByteBuffer, 2> m_received_buffers;
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size_t m_buffered_size { 0 };
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size_t m_received_size { 0 };
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bool m_sent_data { 0 };
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Optional<ssize_t> m_current_chunk_remaining_size;
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Optional<size_t> m_current_chunk_total_size;
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bool m_can_stream_response { true };
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bool m_should_read_chunk_ending_line { false };
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};
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}
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