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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <AK/Stream.h>
#include <LibCore/Forward.h>
#include <LibCore/Object.h>
#include <LibCore/Stream.h>
namespace Core {
class NetworkJob : public Object {
C_OBJECT_ABSTRACT(NetworkJob)
public:
enum class Error {
None,
ConnectionFailed,
TransmissionFailed,
ProtocolFailed,
Cancelled,
};
virtual ~NetworkJob() override = default;
// Could fire twice, after Headers and after Trailers!
Function<void(HashMap<String, String, CaseInsensitiveStringTraits> const& response_headers, Optional<u32> response_code)> on_headers_received;
Function<void(bool success)> on_finish;
Function<void(Optional<u32>, u32)> on_progress;
bool is_cancelled() const { return m_error == Error::Cancelled; }
bool has_error() const { return m_error != Error::None; }
Error error() const { return m_error; }
NetworkResponse* response() { return m_response.ptr(); }
NetworkResponse const* response() const { return m_response.ptr(); }
enum class ShutdownMode {
DetachFromSocket,
CloseSocket,
};
virtual void start(Core::Stream::Socket&) = 0;
virtual void shutdown(ShutdownMode) = 0;
virtual void fail(Error error) { did_fail(error); }
void cancel()
{
shutdown(ShutdownMode::DetachFromSocket);
m_error = Error::Cancelled;
}
protected:
NetworkJob(Core::Stream::Stream&);
void did_finish(NonnullRefPtr<NetworkResponse>&&);
void did_fail(Error);
void did_progress(Optional<u32> total_size, u32 downloaded);
ErrorOr<size_t> do_write(ReadonlyBytes bytes) { return m_output_stream.write(bytes); }
private:
RefPtr<NetworkResponse> m_response;
Core::Stream::Stream& m_output_stream;
Error m_error { Error::None };
};
char const* to_string(NetworkJob::Error);
}
template<>
struct AK::Formatter<Core::NetworkJob> : Formatter<Core::Object> {
};
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