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#include "Uploader.h"
#include "XorEncrypter.h"
#include <iostream>
#include <cmath>
using namespace std;
Uploader::Uploader(const QString &ftpServer, const QString &ftpPath, const QString &username, const QString &password, const QByteArray &secretKey, const QHash<const QString, QFileInfo> &fileList, QObject *parent) :
QObject(parent),
m_fileList(fileList),
m_listPositionNumber(0),
m_ftp(this),
m_ftpServer(ftpServer),
m_ftpPath(ftpPath),
m_username(username),
m_password(password),
m_secretKey(secretKey),
m_cdCommand(-1),
m_latestCommand(-1),
m_latestPut(-1),
m_currentFile(0),
m_totalBytes(0),
m_totalBytesLeft(0),
m_currentSize(0)
{
connect(&m_ftp, SIGNAL(stateChanged(int)), this, SLOT(stateChanged(int)));
connect(&m_ftp, SIGNAL(commandFinished(int,bool)), this, SLOT(commandFinished(int,bool)));
connect(&m_ftp, SIGNAL(listInfo(QUrlInfo)), this, SLOT(listInfo(QUrlInfo)));
connect(&m_ftp, SIGNAL(dataTransferProgress(qint64,qint64)), this, SLOT(dataTransferProgress(qint64,qint64)));
}
void Uploader::begin()
{
cerr << "Setting up." << endl;
m_ftp.connectToHost(m_ftpServer);
}
void Uploader::stateChanged(int state)
{
switch (state) {
case QFtp::Connected:
cerr << "Connected." << endl;
cerr << "Logging in." << endl;
m_ftp.login(m_username, m_password);
break;
case QFtp::LoggedIn:
cerr << "Logged in." << endl;
m_cdCommand = m_ftp.cd(m_ftpPath);
break;
case QFtp::Unconnected:
cerr << "Unconnected." << endl;
break;
case QFtp::HostLookup:
cerr << "Looking up host." << endl;
break;
case QFtp::Connecting:
cerr << "Connecting." << endl;
break;
case QFtp::Closing:
cerr << "Closing." << endl;
emit done();
break;
}
}
void Uploader::commandFinished(int id, bool error)
{
if (id == m_latestPut && m_currentFile) {
m_currentFile->close();
m_currentFile->deleteLater();
}
if (error) {
cerr << m_ftp.errorString().toStdString() << endl;
emit done();
return;
}
if (id == m_cdCommand) {
cerr << "Listing." << endl;
m_latestCommand = m_ftp.list();
} else if (id == m_latestCommand) {
if (!m_fileList.size()) {
cerr << "No files to upload." << endl;
emit done();
return;
}
foreach (const QFileInfo &info, m_fileList.values())
m_totalBytes += info.size();
m_totalBytesLeft = m_totalBytes;
m_totalRateCalculator.reset();
m_listPosition = m_fileList.constBegin();
uploadNextFile();
} else if (id == m_latestPut) {
cerr << endl;
uploadNextFile();
}
}
void Uploader::listInfo(const QUrlInfo &i)
{
if (m_fileList.contains(i.name())) {
const QFileInfo &info = m_fileList.value(i.name());
if (info.lastModified() < i.lastModified() && info.size() == i.size())
m_fileList.remove(i.name());
} else {
cerr << i.name().toStdString() << " has disappeared locally." << endl;
m_latestCommand = m_ftp.remove(i.name());
}
}
void Uploader::uploadNextFile()
{
if (m_listPosition == m_fileList.constEnd()) {
cerr << "Complete!" << endl;
emit done();
return;
}
m_totalBytesLeft -= m_currentSize;
++m_listPositionNumber;
cerr << "[" << m_listPositionNumber << " of " << m_fileList.count() << "] Uploading " << m_listPosition.value().absoluteFilePath().toStdString() << endl;
m_currentSize = m_listPosition.value().size();
m_currentFile = new QFile(m_listPosition.value().absoluteFilePath());
m_currentFile->open(QIODevice::ReadOnly);
XorEncrypter *xorEncrypter = new XorEncrypter(m_secretKey, m_currentFile);
m_rateCalculator.reset();
m_latestPut = m_ftp.put(xorEncrypter, m_listPosition.key());
++m_listPosition;
}
QString Uploader::formatTime(const qint64 time) const
{
const qint64 hours = time / 1000 / (60 * 60);
const qint64 minutes = time / 1000 % (60 * 60) / 60;
const qint64 seconds = time / 1000 % (60 * 60) % 60;
return QString("%1:%2:%3").arg(hours, 2, 10, QChar('0')).arg(minutes, 2, 10, QChar('0')).arg(seconds, 2, 10, QChar('0'));
}
void Uploader::dataTransferProgress(qint64 done, qint64 total)
{
m_rateCalculator.updateTotalBytes(done);
m_totalRateCalculator.updateTotalBytes(m_totalBytes - m_totalBytesLeft + done);
const double rate = m_rateCalculator.rate(25000);
qint64 time, totalTime;
if (done == total) {
time = m_rateCalculator.elapsed();
totalTime = m_totalRateCalculator.elapsed();
} else {
time = (total - done) / rate;
totalTime = (m_totalBytesLeft - done) / m_totalRateCalculator.rate();
}
if (rate < 0 || time < 0)
return;
cerr << "\r\033[2K"
<< static_cast<qint64>(round(done / 1024.0))
<< "/"
<< static_cast<qint64>(round(total / 1024.0))
<< " KB | "
<< static_cast<qint64>(round((m_totalBytes - m_totalBytesLeft + done) / 1024.0 / 1024.0))
<< "/"
<< static_cast<qint64>(round(m_totalBytes / 1024.0 / 1024.0))
<< " MB | "
<< static_cast<qint64>(round(rate * 1024.0 / 1000.0))
<< " KB/s | File ETA: "
<< formatTime(time).toStdString()
<< " | Total ETA: "
<< formatTime(totalTime).toStdString();
}
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