90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "Sink.h"
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namespace Net {
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/*
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* Sink object for downloads that uses an external QByteArray it doesn't own as a target.
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* FIXME: It is possible that the QByteArray is freed while we're doing some operation on it,
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* causing a segmentation fault.
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*/
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class ByteArraySink : public Sink {
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public:
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ByteArraySink(QByteArray* output) : m_output(output){};
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virtual ~ByteArraySink() = default;
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public:
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auto init(QNetworkRequest& request) -> Task::State override
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{
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m_output->clear();
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if (initAllValidators(request))
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return Task::State::Running;
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return Task::State::Failed;
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};
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auto write(QByteArray& data) -> Task::State override
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{
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m_output->append(data);
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if (writeAllValidators(data))
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return Task::State::Running;
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return Task::State::Failed;
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}
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auto abort() -> Task::State override
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{
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m_output->clear();
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failAllValidators();
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return Task::State::Failed;
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}
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auto finalize(QNetworkReply& reply) -> Task::State override
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{
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if (finalizeAllValidators(reply))
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return Task::State::Succeeded;
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return Task::State::Failed;
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}
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auto hasLocalData() -> bool override { return false; }
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private:
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QByteArray* m_output;
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};
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} // namespace Net
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