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#include <QtCore/QBuffer>
#include <QtCore/QScopedArrayPointer>
#include <QtCore/QThread>
#include <QtCore/QDebug>
#include <QtGui/QDesktopServices>
#include <quazip/quazipfile.h>
#include "smartpensyncer.h"
#define BUFFER_SIZE 16 * 1024
namespace {
static QString cleanFilename(QString s)
{
static const QRegExp re("[^0-9A-Za-z-_]+");
return s.replace(re, "_");
}
static QDateTime getTimestampFileDate(const QString &path)
{
QFileInfo info(path);
qDebug() << "Checking timestamp" << info.filePath();
if (info.exists()) {
return info.lastModified();
} else {
return QDateTime();
}
}
static void setTimestampFileDate(const QString &path)
{
QFile f(path);
if (!f.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
qWarning() << "Could not set timestamp file:" << path;
return;
}
f.close();
}
void removeTimestampFile(const QString &path)
{
QFile f(path);
if (!f.remove()) {
qWarning() << "Cannot remove timestamp file:" << path;
}
}
}
SmartpenSyncer::SmartpenSyncer(const Smartpen::Address &addr, QObject *parent) :
QThread(parent), _addr(addr), _pen(new Smartpen(this)), _errored(false), _aborted(false)
{
}
SmartpenSyncer::~SmartpenSyncer()
{
if (isRunning()) {
_aborted = true;
wait();
}
}
Smartpen::Address SmartpenSyncer::penAddress() const
{
return _addr;
}
void SmartpenSyncer::abort()
{
_aborted = true;
}
void SmartpenSyncer::run()
{
if (!_pen->connectToPen(_addr)) {
qWarning() << "Could not connect to pen with USB address: " << _addr;
_errored = true;
return;
}
_penName = _pen->getPenName();
qDebug() << "got pen name:" << _penName;
QVariantMap penInfo = _pen->getPenInfo();
if (penInfo.isEmpty()) {
qWarning() << "Could not get pen info";
_errored = true;
return;
}
_penSerial = penInfo["penserial"].toString();
_penDataDir.setPath(QDesktopServices::storageLocation(QDesktopServices::DataLocation) + "/" + _penName + ".pen");
if (!_penDataDir.exists()) {
if (!_penDataDir.mkpath(".")) {
qWarning() << "Cannot create pen data directory:" << _penDataDir.absolutePath();
}
}
if (!syncPen()) {
_errored = true;
}
_pen->disconnectFromPen();
}
bool SmartpenSyncer::syncPen()
{
QDateTime lastSyncTime = getTimestampFileDate(_penDataDir.filePath(".lastsync"));
QList<Smartpen::ChangeReport> changes = _pen->getChangeList(lastSyncTime);
foreach(const Smartpen::ChangeReport &change, changes) {
qDebug() << "Synchronizing guid: " << change.guid << change.title;
if (!syncNotebook(change)) {
return false;
}
}
setTimestampFileDate(_penDataDir.filePath(".lastsync"));
return true;
}
bool SmartpenSyncer::syncNotebook(const Smartpen::ChangeReport &change)
{
QDir notebookDir(_penDataDir.filePath(change.title + ".afd"));
if (!notebookDir.exists()) {
if (!notebookDir.mkpath(".")) {
qWarning() << "Cannot create notebook data directory:" << notebookDir.absolutePath();
}
}
setTimestampFileDate(notebookDir.filePath(".sync.lck"));
QDateTime lastSyncTime = getTimestampFileDate(notebookDir.filePath(".lastsync"));
QByteArray lspData = _pen->getLspData(change.guid, lastSyncTime);
if (!extractZip(lspData, notebookDir)) {
return false;
}
setTimestampFileDate(notebookDir.filePath(".lastsync"));
removeTimestampFile(notebookDir.filePath(".sync.lck"));
return true;
}
bool SmartpenSyncer::extractZip(QByteArray &zipData, QDir &dir)
{
QBuffer zipBuffer(&zipData);
QuaZip zip(&zipBuffer);
QuaZipFile zipFile(&zip);
if (!zip.open(QuaZip::mdUnzip)) {
qWarning() << "Could not open zip file";
return false;
}
QScopedArrayPointer<char> buffer(new char[BUFFER_SIZE]);
for (bool more=zip.goToFirstFile(); more; more=zip.goToNextFile()) {
QString zipName = zip.getCurrentFileName();
if (!dir.absoluteFilePath(zipName).startsWith(dir.absolutePath())) {
qWarning() << "broken zip filename:" << zipName;
continue;
}
QFileInfo finfo(dir.filePath(zipName));
if (!dir.mkpath(finfo.path())) {
qWarning() << "cannot mkpath for:" << finfo.absoluteFilePath();
}
if (zipName.endsWith('/')) {
// Nothing to do
continue;
}
if (!zipFile.open(QIODevice::ReadOnly)) {
qWarning() << "cannot open zip file for reading:" << zipName;
continue;
}
QFile file(finfo.filePath());
if (!file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
qWarning() << "cannot open for writing:" << finfo.absoluteFilePath();
zipFile.close();
continue;
}
while (!zipFile.atEnd()) {
qint64 read = zipFile.read(buffer.data(), BUFFER_SIZE);
if (read <= 0) {
qWarning() << "short read on:" << zipName;
zipFile.close();
continue;
}
qint64 written = file.write(buffer.data(), read);
if (written != read) {
qWarning() << "short write on:" << file.fileName();
zipFile.close();
continue;
}
}
file.close();
zipFile.close();
}
buffer.reset();
if (zip.getZipError() == UNZ_OK) {
return true;
} else {
qWarning() << "Error while decompressing";
return false;
}
}
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