PrismLauncher/api/logic/net/NetJob.cpp

206 lines
4.8 KiB
C++

/* Copyright 2013-2017 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "NetJob.h"
#include "Download.h"
#include <QDebug>
void NetJob::partSucceeded()
{
auto index = m_partsIndex[(NetAction *)QObject::sender()];
// do progress. all slots are 1 in size at least
auto &slot = m_parts[index];
setPartProgress(index, slot.total_progress, slot.total_progress);
m_doing.remove(index);
m_done.insert(index);
slot.download->disconnect(this);
startMoreParts();
}
void NetJob::partFailed()
{
auto index = m_partsIndex[(NetAction *)QObject::sender()];
m_doing.remove(index);
auto &slot = m_parts[index];
if (slot.failures == 3)
{
m_failed.insert(index);
}
else
{
slot.failures++;
m_todo.enqueue(index);
}
slot.download->disconnect(this);
startMoreParts();
}
void NetJob::partAborted()
{
auto index = m_partsIndex[(NetAction *)QObject::sender()];
m_aborted = true;
m_doing.remove(index);
auto &slot = m_parts[index];
m_failed.insert(index);
slot.download->disconnect(this);
startMoreParts();
}
void NetJob::partProgress(qint64 bytesReceived, qint64 bytesTotal)
{
auto index = m_partsIndex[(NetAction *)QObject::sender()];
setPartProgress(index, bytesReceived, bytesTotal);
}
void NetJob::setPartProgress(int index, qint64 bytesReceived, qint64 bytesTotal)
{
auto &slot = m_parts[index];
slot.current_progress = bytesReceived;
slot.total_progress = bytesTotal;
qint64 current_progress = m_done.count() * 100;
qint64 total_progress = m_parts.count() * 100;
for(auto iter = m_doing.begin(); iter != m_doing.end(); iter++)
{
auto &part = m_parts[*iter];
float percentage = (float(part.current_progress) / float(part.total_progress)) * 100.0f;
current_progress += (qint64) percentage;
}
setProgress(current_progress, total_progress);
}
void NetJob::executeTask()
{
qDebug() << m_job_name.toLocal8Bit() << " started.";
for (int i = 0; i < m_parts.size(); i++)
{
m_todo.enqueue(i);
}
// hack that delays early failures so they can be caught easier
QMetaObject::invokeMethod(this, "startMoreParts", Qt::QueuedConnection);
}
void NetJob::startMoreParts()
{
// check for final conditions if there's nothing in the queue
if(!m_todo.size())
{
if(!m_doing.size())
{
if(!m_failed.size())
{
qDebug() << m_job_name << "succeeded.";
emitSucceeded();
}
else if(m_aborted)
{
qDebug() << m_job_name << "aborted.";
emitFailed(tr("Job '%1' aborted.").arg(m_job_name));
}
else
{
qCritical() << m_job_name << "failed.";
emitFailed(tr("Job '%1' failed to process:\n%2").arg(m_job_name).arg(getFailedFiles().join("\n")));
}
}
return;
}
// otherwise try to start more parts
while (m_doing.size() < 6)
{
if(!m_todo.size())
return;
int doThis = m_todo.dequeue();
m_doing.insert(doThis);
auto part = m_parts[doThis].download;
// connect signals :D
connectAction(part.get());
part->start();
}
}
void NetJob::connectAction(NetAction* action)
{
connect(action, &NetAction::succeeded, this, &NetJob::partSucceeded);
connect(action, &NetAction::failed, this, &NetJob::partFailed);
connect(action, &NetAction::aborted, this, &NetJob::partAborted);
connect(action, &NetAction::progress, this, &NetJob::partProgress);
}
QStringList NetJob::getFailedFiles()
{
QStringList failed;
for (auto index: m_failed)
{
failed.push_back(m_parts[index].download->m_url.toString());
}
failed.sort();
return failed;
}
bool NetJob::canAbort() const
{
bool canFullyAbort = true;
// can abort the waiting?
for(auto index: m_todo)
{
auto part = m_parts[index].download;
canFullyAbort &= part->canAbort();
}
// can abort the active?
for(auto index: m_doing)
{
auto part = m_parts[index].download;
canFullyAbort &= part->canAbort();
}
return canFullyAbort;
}
bool NetJob::abort()
{
bool fullyAborted = true;
// fail all waiting
m_failed.unite(m_todo.toSet());
m_todo.clear();
// abort active
auto toKill = m_doing.toList();
for(auto index: toKill)
{
auto part = m_parts[index].download;
fullyAborted &= part->abort();
}
return fullyAborted;
}
void NetJob::addNetAction(NetActionPtr action)
{
m_partsIndex[action.get()] = m_parts.count();
part_info pi;
{
pi.current_progress = action->getProgress();
pi.total_progress = action->getTotalProgress();
pi.failures = 0;
pi.download = action;
}
m_parts.append(pi);
if (isRunning())
{
m_todo.enqueue(m_parts.size() - 1);
}
}