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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Function.h>
#include <LibCore/CObject.h>
class CNetworkResponse;
class CNetworkJob : public CObject {
C_OBJECT(CNetworkJob)
public:
enum class Error {
None,
ConnectionFailed,
TransmissionFailed,
ProtocolFailed,
Cancelled,
};
virtual ~CNetworkJob() override;
Function<void(bool success)> on_finish;
bool is_cancelled() const { return m_error == Error::Cancelled; }
bool has_error() const { return m_error != Error::None; }
Error error() const { return m_error; }
CNetworkResponse* response() { return m_response.ptr(); }
const CNetworkResponse* response() const { return m_response.ptr(); }
virtual void start() = 0;
virtual void shutdown() = 0;
void cancel()
{
shutdown();
m_error = Error::Cancelled;
}
protected:
CNetworkJob();
void did_finish(NonnullRefPtr<CNetworkResponse>&&);
void did_fail(Error);
private:
RefPtr<CNetworkResponse> m_response;
Error m_error { Error::None };
};
const char* to_string(CNetworkJob::Error);
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