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Speed up the downloads. Massively.

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This commit is contained in:
Petr Mrázek
2013-09-02 00:25:40 +02:00
parent 78e278c1e3
commit f8e8414d54
18 changed files with 264 additions and 321 deletions
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111
logic/net/DownloadJob.h
View File

@ -1,28 +1,37 @@
#pragma once
#include "JobQueue.h"
#include <QtNetwork>
/**
* A single file for the downloader/cache to process.
*/
class DownloadJob : public Job
class DownloadJob;
class Download;
typedef QSharedPointer<DownloadJob> DownloadJobPtr;
typedef QSharedPointer<Download> DownloadPtr;
enum JobStatus
{
Job_NotStarted,
Job_InProgress,
Job_Finished,
Job_Failed
};
class Job : public QObject
{
Q_OBJECT
protected:
explicit Job(): QObject(0){};
public:
DownloadJob(QUrl url,
QString rel_target_path = QString(),
QString expected_md5 = QString()
);
static JobPtr create(QUrl url, QString rel_target_path = QString(), QString expected_md5 = QString());
virtual ~Job() {};
public slots:
virtual void start();
private slots:
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);;
void downloadError(QNetworkReply::NetworkError error);
void downloadFinished();
void downloadReadyRead();
virtual void start() = 0;
};
class Download: public Job
{
friend class DownloadJob;
Q_OBJECT
protected:
Download(QUrl url, QString rel_target_path = QString(), QString expected_md5 = QString());
public:
/// the network reply
QSharedPointer<QNetworkReply> m_reply;
@ -46,6 +55,72 @@ public:
/// if not saving to file, downloaded data is placed here
QByteArray m_data;
int currentProgress = 0;
int totalProgress = 0;
/// The file's status
JobStatus m_status;
int index_within_job = 0;
signals:
void started(int index);
void progress(int index, qint64 current, qint64 total);
void succeeded(int index);
void failed(int index);
public slots:
virtual void start();
private slots:
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);;
void downloadError(QNetworkReply::NetworkError error);
void downloadFinished();
void downloadReadyRead();
};
/**
* A single file for the downloader/cache to process.
*/
class DownloadJob : public Job
{
Q_OBJECT
public:
explicit DownloadJob()
:Job(){};
explicit DownloadJob(QUrl url, QString rel_target_path = QString(), QString expected_md5 = QString())
:Job()
{
add(url, rel_target_path, expected_md5);
};
DownloadPtr add(QUrl url, QString rel_target_path = QString(), QString expected_md5 = QString());
DownloadPtr operator[](int index)
{
return downloads[index];
};
DownloadPtr first()
{
if(downloads.size())
return downloads[0];
return DownloadPtr();
}
int size() const
{
return downloads.size();
}
signals:
void started();
void progress(qint64 current, qint64 total);
void succeeded();
void failed();
public slots:
virtual void start();
private slots:
void partProgress(int index, qint64 bytesReceived, qint64 bytesTotal);;
void partSucceeded(int index);
void partFailed(int index);
private:
QList<DownloadPtr> downloads;
int num_succeeded = 0;
int num_failed = 0;
};