127 lines
3.0 KiB
C++
127 lines
3.0 KiB
C++
/* Copyright 2013-2015 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 "pathutils.h"
|
|
#include "MD5EtagDownload.h"
|
|
#include "ByteArrayDownload.h"
|
|
#include "CacheDownload.h"
|
|
|
|
#include <QDebug>
|
|
|
|
void NetJob::partSucceeded(int index)
|
|
{
|
|
// do progress. all slots are 1 in size at least
|
|
auto &slot = parts_progress[index];
|
|
partProgress(index, slot.total_progress, slot.total_progress);
|
|
|
|
m_doing.remove(index);
|
|
m_done.insert(index);
|
|
disconnect(downloads[index].get(), 0, this, 0);
|
|
startMoreParts();
|
|
}
|
|
|
|
void NetJob::partFailed(int index)
|
|
{
|
|
m_doing.remove(index);
|
|
auto &slot = parts_progress[index];
|
|
if (slot.failures == 3)
|
|
{
|
|
m_failed.insert(index);
|
|
}
|
|
else
|
|
{
|
|
slot.failures++;
|
|
m_todo.enqueue(index);
|
|
}
|
|
disconnect(downloads[index].get(), 0, this, 0);
|
|
startMoreParts();
|
|
}
|
|
|
|
void NetJob::partProgress(int index, qint64 bytesReceived, qint64 bytesTotal)
|
|
{
|
|
auto &slot = parts_progress[index];
|
|
|
|
current_progress -= slot.current_progress;
|
|
slot.current_progress = bytesReceived;
|
|
current_progress += slot.current_progress;
|
|
|
|
total_progress -= slot.total_progress;
|
|
slot.total_progress = bytesTotal;
|
|
total_progress += slot.total_progress;
|
|
emit progress(current_progress, total_progress);
|
|
}
|
|
|
|
void NetJob::start()
|
|
{
|
|
qDebug() << m_job_name.toLocal8Bit() << " started.";
|
|
m_running = true;
|
|
for (int i = 0; i < downloads.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.toLocal8Bit() << "succeeded.";
|
|
emit succeeded();
|
|
}
|
|
else
|
|
{
|
|
qCritical() << m_job_name.toLocal8Bit() << "failed.";
|
|
emit failed();
|
|
}
|
|
}
|
|
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 = downloads[doThis];
|
|
// connect signals :D
|
|
connect(part.get(), SIGNAL(succeeded(int)), SLOT(partSucceeded(int)));
|
|
connect(part.get(), SIGNAL(failed(int)), SLOT(partFailed(int)));
|
|
connect(part.get(), SIGNAL(progress(int, qint64, qint64)),
|
|
SLOT(partProgress(int, qint64, qint64)));
|
|
part->start();
|
|
}
|
|
}
|
|
|
|
|
|
QStringList NetJob::getFailedFiles()
|
|
{
|
|
QStringList failed;
|
|
for (auto index: m_failed)
|
|
{
|
|
failed.push_back(downloads[index]->m_url.toString());
|
|
}
|
|
failed.sort();
|
|
return failed;
|
|
}
|