filedownloader.cpp
175 lines
| 4.8 KiB
| text/x-c
|
CppLexer
| r11 | /*------------------------------------------------------------------------------ | |||
| -- This file is a part of the QLop Software | ||||
| -- Copyright (C) 2015, Plasma Physics Laboratory - CNRS | ||||
| -- | ||||
| -- This program is free software; you can redistribute it and/or modify | ||||
| -- it under the terms of the GNU General Public License as published by | ||||
| -- the Free Software Foundation; either version 2 of the License, or | ||||
| -- (at your option) any later version. | ||||
| -- | ||||
| -- This program is distributed in the hope that it will be useful, | ||||
| -- but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
| -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
| -- GNU General Public License for more details. | ||||
| -- | ||||
| -- You should have received a copy of the GNU General Public License | ||||
| -- along with this program; if not, write to the Free Software | ||||
| -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
| -------------------------------------------------------------------------------*/ | ||||
| /*-- Author : Alexis Jeandet | ||||
| -- Mail : alexis.jeandet@member.fsf.org | ||||
| ----------------------------------------------------------------------------*/ | ||||
| r4 | #include "filedownloader.h" | |||
| #include <QFile> | ||||
| FileDownloader* FileDownloader::_self=NULL; | ||||
| QNetworkAccessManager* FileDownloader::m_WebCtrl=NULL; | ||||
| QList<FileDownloaderTask*>* FileDownloader::m_pendingTasks=NULL; | ||||
| r5 | QDockWidget* FileDownloader::m_gui=NULL; | |||
| DownLoadHistory* FileDownloader::m_DownLoadHistory=NULL; | ||||
| r4 | ||||
| #define _INIT \ | ||||
| if(Q_UNLIKELY(_self==NULL))\ | ||||
| {\ | ||||
| init();\ | ||||
| }\ | ||||
| int FileDownloader::downloadFile(QUrl fileUrl, const QString &name) | ||||
| { | ||||
| _INIT | ||||
| if(QFile::exists(name)|| QFile::exists(name+".part")) | ||||
| { | ||||
| return -1; | ||||
| } | ||||
| FileDownloaderTask* task=NULL; | ||||
| int ID=_self->getTaskId(); | ||||
| if(ID!=-1) | ||||
| { | ||||
| QNetworkRequest request(fileUrl); | ||||
| QNetworkReply* reply = m_WebCtrl->get(request); | ||||
| if(reply && (reply->error()==QNetworkReply::NoError)) | ||||
| { | ||||
| task=new FileDownloaderTask(reply,ID,name,_self); | ||||
| m_pendingTasks->append(task); | ||||
| r5 | if(!_self->m_noGui) | |||
| r4 | { | |||
| r5 | m_DownLoadHistory->addElement(new DownloadHistoryElement(task)); | |||
| r4 | } | |||
| } | ||||
| else | ||||
| { | ||||
| return -1; | ||||
| } | ||||
| } | ||||
| return ID; | ||||
| } | ||||
| int FileDownloader::downloadFile(QString fileUrl, const QString &name) | ||||
| { | ||||
| return downloadFile(QUrl(fileUrl),name); | ||||
| } | ||||
| r5 | QDockWidget *FileDownloader::getGUI() | |||
| r4 | { | |||
| r5 | if(!_self->m_noGui && (m_gui==NULL)) | |||
| { | ||||
| m_DownLoadHistory=new DownLoadHistory(); | ||||
| m_gui=new QDockWidget("Download History"); | ||||
| m_gui->setWidget(m_DownLoadHistory); | ||||
| m_gui->setFeatures(QDockWidget::DockWidgetMovable|QDockWidget::DockWidgetFloatable); | ||||
| } | ||||
| return (QDockWidget*) m_gui; | ||||
| r4 | } | |||
| const QString &FileDownloader::serviceName() | ||||
| { | ||||
| return m_serviceName; | ||||
| } | ||||
| r5 | int FileDownloader::download_file(QUrl fileUrl, const QString &name) | |||
| { | ||||
| return downloadFile(fileUrl,name); | ||||
| } | ||||
| int FileDownloader::download_file(QString fileUrl, const QString &name) | ||||
| { | ||||
| return downloadFile(fileUrl,name); | ||||
| } | ||||
| r4 | FileDownloaderTask* FileDownloader::getDownloadTask(int ID) | |||
| { | ||||
| _INIT | ||||
| for(int i=0;i<m_pendingTasks->count();i++) | ||||
| { | ||||
| if(m_pendingTasks->at(i)->ID()==ID) | ||||
| return m_pendingTasks->at(i); | ||||
| } | ||||
| return NULL; | ||||
| } | ||||
| bool FileDownloader::taskIsCompleted(int ID) | ||||
| { | ||||
| return getDownloadTask(ID)->downloadComplete(); | ||||
| } | ||||
| FileDownloader *FileDownloader::self() | ||||
| { | ||||
| _INIT | ||||
| return _self; | ||||
| } | ||||
| int FileDownloader::getTaskId() | ||||
| { | ||||
| for(unsigned int i=0;i<INT_MAX;i++) | ||||
| { | ||||
| bool idValid=true; | ||||
| for(int j=0;j<m_pendingTasks->count();j++) | ||||
| { | ||||
| if(m_pendingTasks->at(j)->ID()==(int)i) | ||||
| idValid=false; | ||||
| } | ||||
| if(idValid) | ||||
| return (int)i; | ||||
| } | ||||
| return -1; | ||||
| } | ||||
| void FileDownloader::init(bool noGUI, QObject *parent) | ||||
| { | ||||
| if(Q_UNLIKELY(_self==NULL)) | ||||
| { | ||||
| r5 | _self=new FileDownloader(noGUI,parent); | |||
| r4 | } | |||
| } | ||||
| r5 | FileDownloader::FileDownloader(bool noGUI,QObject *parent) : QLopService(parent) | |||
| r4 | { | |||
| QNetworkProxyQuery q(QUrl("http://www.google.com")); | ||||
| q.setQueryType(QNetworkProxyQuery::UrlRequest); | ||||
| q.setProtocolTag("http"); | ||||
| QList<QNetworkProxy> proxies = QNetworkProxyFactory::systemProxyForQuery(q); | ||||
| if( proxies.size() > 0 && proxies[0].type() != QNetworkProxy::NoProxy ) | ||||
| QNetworkProxy::setApplicationProxy(proxies[0]); | ||||
| else | ||||
| qDebug("No proxy server selected"); | ||||
| m_WebCtrl = new QNetworkAccessManager(this); | ||||
| m_pendingTasks = new QList<FileDownloaderTask*>(); | ||||
| r5 | m_noGui=noGUI; | |||
| m_serviceName="FileDownloader"; | ||||
| r4 | } | |||
| FileDownloader::~FileDownloader() | ||||
| { | ||||
| if(!m_noGui) | ||||
| delete m_gui; | ||||
| while (m_pendingTasks->count()) | ||||
| { | ||||
| FileDownloaderTask* task=m_pendingTasks->last(); | ||||
| m_pendingTasks->removeLast(); | ||||
| delete task; | ||||
| } | ||||
| delete m_WebCtrl; | ||||
| } | ||||
