pollymc/logic/net/NetJob.cpp
2013-12-10 07:12:52 +01:00

115 lines
3.0 KiB
C++

/* Copyright 2013 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 "MultiMC.h"
#include "MD5EtagDownload.h"
#include "ByteArrayDownload.h"
#include "CacheDownload.h"
#include "logger/QsLog.h"
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);
num_succeeded++;
QLOG_INFO() << m_job_name.toLocal8Bit() << "progress:" << num_succeeded << "/"
<< downloads.size();
emit filesProgress(num_succeeded, num_failed, downloads.size());
if (num_failed + num_succeeded == downloads.size())
{
if (num_failed)
{
QLOG_ERROR() << m_job_name.toLocal8Bit() << "failed.";
emit failed();
}
else
{
QLOG_INFO() << m_job_name.toLocal8Bit() << "succeeded.";
emit succeeded();
}
}
}
void NetJob::partFailed(int index)
{
auto &slot = parts_progress[index];
if (slot.failures == 3)
{
QLOG_ERROR() << "Part" << index << "failed 3 times (" << downloads[index]->m_url << ")";
num_failed++;
emit filesProgress(num_succeeded, num_failed, downloads.size());
if (num_failed + num_succeeded == downloads.size())
{
QLOG_ERROR() << m_job_name.toLocal8Bit() << "failed.";
emit failed();
}
}
else
{
QLOG_ERROR() << "Part" << index << "failed, restarting (" << downloads[index]->m_url
<< ")";
// restart the job
slot.failures++;
downloads[index]->start();
}
}
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()
{
QLOG_INFO() << m_job_name.toLocal8Bit() << " started.";
m_running = true;
for (auto iter : downloads)
{
connect(iter.get(), SIGNAL(succeeded(int)), SLOT(partSucceeded(int)));
connect(iter.get(), SIGNAL(failed(int)), SLOT(partFailed(int)));
connect(iter.get(), SIGNAL(progress(int, qint64, qint64)),
SLOT(partProgress(int, qint64, qint64)));
iter->start();
}
}
QStringList NetJob::getFailedFiles()
{
QStringList failed;
for (auto download : downloads)
{
if (download->m_status == Job_Failed)
{
failed.push_back(download->m_url.toString());
}
}
return failed;
}