2021-01-18 07:28:54 +00:00
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/* Copyright 2013-2021 MultiMC Contributors
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2013-11-04 01:53:05 +00:00
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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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2013-10-26 18:55:48 +01:00
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#include "NetJob.h"
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2016-05-28 18:54:17 +01:00
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#include "Download.h"
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2013-07-06 00:50:07 +01:00
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2015-02-02 01:14:14 +00:00
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#include <QDebug>
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2013-09-17 23:00:35 +01:00
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2017-05-03 22:11:52 +01:00
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void NetJob::partSucceeded(int index)
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2013-09-01 23:25:40 +01:00
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{
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2018-07-15 13:51:05 +01:00
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// do progress. all slots are 1 in size at least
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auto &slot = parts_progress[index];
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partProgress(index, slot.total_progress, slot.total_progress);
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m_doing.remove(index);
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m_done.insert(index);
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downloads[index].get()->disconnect(this);
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startMoreParts();
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2013-09-01 23:25:40 +01:00
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}
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2017-05-03 22:11:52 +01:00
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void NetJob::partFailed(int index)
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2013-09-01 23:25:40 +01:00
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{
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2018-07-15 13:51:05 +01:00
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m_doing.remove(index);
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auto &slot = parts_progress[index];
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if (slot.failures == 3)
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{
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m_failed.insert(index);
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}
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else
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{
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slot.failures++;
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m_todo.enqueue(index);
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}
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downloads[index].get()->disconnect(this);
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startMoreParts();
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2013-09-01 23:25:40 +01:00
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}
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2017-05-03 22:11:52 +01:00
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void NetJob::partAborted(int index)
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2016-08-14 01:33:31 +01:00
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{
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2018-07-15 13:51:05 +01:00
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m_aborted = true;
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m_doing.remove(index);
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m_failed.insert(index);
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downloads[index].get()->disconnect(this);
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startMoreParts();
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2016-08-14 01:33:31 +01:00
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}
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2017-05-03 22:11:52 +01:00
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void NetJob::partProgress(int index, qint64 bytesReceived, qint64 bytesTotal)
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2013-09-01 23:25:40 +01:00
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{
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2018-07-15 13:51:05 +01:00
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auto &slot = parts_progress[index];
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slot.current_progress = bytesReceived;
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slot.total_progress = bytesTotal;
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int done = m_done.size();
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int doing = m_doing.size();
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int all = parts_progress.size();
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qint64 bytesAll = 0;
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qint64 bytesTotalAll = 0;
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for(auto & partIdx: m_doing)
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{
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auto part = parts_progress[partIdx];
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// do not count parts with unknown/nonsensical total size
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if(part.total_progress <= 0)
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{
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continue;
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}
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bytesAll += part.current_progress;
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bytesTotalAll += part.total_progress;
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}
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qint64 inprogress = (bytesTotalAll == 0) ? 0 : (bytesAll * 1000) / bytesTotalAll;
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auto current = done * 1000 + doing * inprogress;
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auto current_total = all * 1000;
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// HACK: make sure it never jumps backwards.
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// FAIL: This breaks if the size is not known (or is it something else?) and jumps to 1000, so if it is 1000 reset it to inprogress
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if(m_current_progress == 1000) {
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m_current_progress = inprogress;
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}
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if(m_current_progress > current)
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{
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current = m_current_progress;
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}
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m_current_progress = current;
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setProgress(current, current_total);
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2013-09-01 23:25:40 +01:00
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}
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2015-04-26 12:47:14 +01:00
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void NetJob::executeTask()
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2013-09-01 23:25:40 +01:00
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{
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2021-12-29 15:54:20 +00:00
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if(!m_network) {
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qCritical() << "Attempted to start NetJob" << objectName() << "without the network set!";
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emitFailed(tr("Internal error: NetJob '%1' has been started without a network pointer!").arg(objectName()));
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return;
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}
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2018-07-15 13:51:05 +01:00
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// hack that delays early failures so they can be caught easier
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QMetaObject::invokeMethod(this, "startMoreParts", Qt::QueuedConnection);
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2015-01-11 21:04:31 +00:00
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}
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void NetJob::startMoreParts()
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{
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2018-07-15 13:51:05 +01:00
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if(!isRunning())
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{
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// this actually makes sense. You can put running downloads into a NetJob and then not start it until much later.
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return;
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}
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// OK. We are actively processing tasks, proceed.
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// Check for final conditions if there's nothing in the queue.
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if(!m_todo.size())
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{
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if(!m_doing.size())
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{
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if(!m_failed.size())
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{
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emitSucceeded();
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}
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else if(m_aborted)
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{
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emitAborted();
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}
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else
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{
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emitFailed(tr("Job '%1' failed to process:\n%2").arg(objectName()).arg(getFailedFiles().join("\n")));
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}
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}
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return;
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}
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// There's work to do, try to start more parts.
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while (m_doing.size() < 6)
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{
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if(!m_todo.size())
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return;
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int doThis = m_todo.dequeue();
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m_doing.insert(doThis);
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auto part = downloads[doThis];
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// connect signals :D
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connect(part.get(), SIGNAL(succeeded(int)), SLOT(partSucceeded(int)));
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connect(part.get(), SIGNAL(failed(int)), SLOT(partFailed(int)));
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connect(part.get(), SIGNAL(aborted(int)), SLOT(partAborted(int)));
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connect(part.get(), SIGNAL(netActionProgress(int, qint64, qint64)),
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SLOT(partProgress(int, qint64, qint64)));
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2021-11-21 22:21:12 +00:00
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part->start(m_network);
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2018-07-15 13:51:05 +01:00
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}
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2013-09-01 23:25:40 +01:00
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}
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2013-09-26 01:58:09 +01:00
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2015-01-11 21:04:31 +00:00
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2013-10-26 18:55:48 +01:00
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QStringList NetJob::getFailedFiles()
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2013-09-26 01:58:09 +01:00
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{
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2018-07-15 13:51:05 +01:00
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QStringList failed;
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for (auto index: m_failed)
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{
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failed.push_back(downloads[index]->url().toString());
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}
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failed.sort();
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return failed;
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2013-09-26 01:58:09 +01:00
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}
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2016-08-14 01:33:31 +01:00
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bool NetJob::canAbort() const
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{
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2018-07-15 13:51:05 +01:00
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bool canFullyAbort = true;
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// can abort the waiting?
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for(auto index: m_todo)
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{
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auto part = downloads[index];
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canFullyAbort &= part->canAbort();
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}
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// can abort the active?
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for(auto index: m_doing)
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{
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auto part = downloads[index];
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canFullyAbort &= part->canAbort();
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}
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return canFullyAbort;
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2016-08-14 01:33:31 +01:00
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}
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bool NetJob::abort()
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{
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2018-07-15 13:51:05 +01:00
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bool fullyAborted = true;
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// fail all waiting
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m_failed.unite(m_todo.toSet());
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m_todo.clear();
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// abort active
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auto toKill = m_doing.toList();
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for(auto index: toKill)
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{
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auto part = downloads[index];
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fullyAborted &= part->abort();
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}
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return fullyAborted;
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2016-08-14 01:33:31 +01:00
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}
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2017-06-26 00:14:32 +01:00
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2021-11-21 22:21:12 +00:00
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bool NetJob::addNetAction(NetAction::Ptr action)
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2017-06-26 00:14:32 +01:00
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{
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2018-07-15 13:51:05 +01:00
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action->m_index_within_job = downloads.size();
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downloads.append(action);
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part_info pi;
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parts_progress.append(pi);
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partProgress(parts_progress.count() - 1, action->currentProgress(), action->totalProgress());
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if(action->isRunning())
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{
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connect(action.get(), SIGNAL(succeeded(int)), SLOT(partSucceeded(int)));
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connect(action.get(), SIGNAL(failed(int)), SLOT(partFailed(int)));
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connect(action.get(), SIGNAL(netActionProgress(int, qint64, qint64)), SLOT(partProgress(int, qint64, qint64)));
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}
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else
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{
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m_todo.append(parts_progress.size() - 1);
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}
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return true;
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2017-06-26 00:14:32 +01:00
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}
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2020-06-07 16:46:12 +01:00
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NetJob::~NetJob() = default;
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