void Folder::slotRunEtagJob()
{
qDebug() << "* Trying to check" << alias() << "for changes via ETag check. (time since last sync:" << (_timeSinceLastSyncDone.elapsed() / 1000) << "s)";
Q_ASSERT(_accountState );
AccountPtr account = _accountState->account();
if (!_requestEtagJob.isNull()) {
qDebug() << Q_FUNC_INFO << alias() << "has ETag job queued, not trying to sync";
return;
}
if (_definition.paused || !_accountState->isConnected()) {
qDebug() << "Not syncing. :" << alias() << _definition.paused << AccountState::stateString(_accountState->state());
return;
}
bool forceSyncIntervalExpired =
quint64(_timeSinceLastSyncDone.elapsed()) > ConfigFile().forceSyncInterval();
bool syncAgainAfterFail = _consecutiveFailingSyncs > 0 && _consecutiveFailingSyncs < 3;
// There are several conditions under which we trigger a full-discovery sync:
// * When a suitably long time has passed since the last sync finished
// * When the last sync failed (only a couple of times)
// * When the last sync requested another sync to be done (only a couple of times)
//
// Note that the etag check (see below) and the file watcher may also trigger
// syncs.
if (forceSyncIntervalExpired
|| _forceSyncOnPollTimeout
|| syncAgainAfterFail) {
if (forceSyncIntervalExpired) {
qDebug() << "** Force Sync, because it has been " << _timeSinceLastSyncDone.elapsed() << "ms "
<< "since the last sync";
}
if (_forceSyncOnPollTimeout) {
qDebug() << "** Force Sync, because it was requested";
}
if (syncAgainAfterFail) {
qDebug() << "** Force Sync, because the last"
<< _consecutiveFailingSyncs << "syncs failed, last status:"
<< _syncResult.statusString();
}
_forceSyncOnPollTimeout = false;
emit scheduleToSync(this);
} else {
// Do the ordinary etag check for the root folder and only schedule a real
// sync if it's different.
_requestEtagJob = new RequestEtagJob(account, remotePath(), this);
// check if the etag is different
QObject::connect(_requestEtagJob, SIGNAL(etagRetreived(QString)), this, SLOT(etagRetreived(QString)));
FolderMan::instance()->slotScheduleETagJob(alias(), _requestEtagJob);
// The _requestEtagJob is auto deleting itself on finish. Our guard pointer _requestEtagJob will then be null.
}
}
void Folder::slotPollTimerTimeout()
{
qDebug() << "* Polling" << alias() << "for changes. Ignoring all pending events until now";
_watcher->clearPendingEvents();
QObject::connect(new RequestEtagJob(secondPath(), this), SIGNAL(etagRetreived(QString)),
this, SLOT(etagRetreived(QString)));
}
void Folder::slotPollTimerTimeout()
{
qDebug() << "* Polling" << alias() << "for changes. (time since next sync:" << (_timeSinceLastSync.elapsed() / 1000) << "s)";
if (quint64(_timeSinceLastSync.elapsed()) > MirallConfigFile().forceSyncInterval()) {
qDebug() << "* Force Sync now";
evaluateSync(QStringList());
} else {
RequestEtagJob* job = new RequestEtagJob(secondPath(), this);
// check if the etag is different
QObject::connect(job, SIGNAL(etagRetreived(QString)), this, SLOT(etagRetreived(QString)));
QObject::connect(job, SIGNAL(networkError()), this, SLOT(slotNetworkUnavailable()));
}
}
void Folder::slotPollTimerTimeout()
{
qDebug() << "* Polling" << alias() << "for changes. (time since last sync:" << (_timeSinceLastSync.elapsed() / 1000) << "s)";
if (quint64(_timeSinceLastSync.elapsed()) > MirallConfigFile().forceSyncInterval() ||
!(_syncResult.status() == SyncResult::Success ||_syncResult.status() == SyncResult::Problem)) {
qDebug() << "** Force Sync now, state is " << _syncResult.statusString();
emit scheduleToSync(alias());
} else {
RequestEtagJob* job = new RequestEtagJob(AccountManager::instance()->account(), remotePath(), this);
// check if the etag is different
QObject::connect(job, SIGNAL(etagRetreived(QString)), this, SLOT(etagRetreived(QString)));
QObject::connect(job, SIGNAL(networkError(QNetworkReply*)), this, SLOT(slotNetworkUnavailable()));
job->start();
}
}
bool RequestEtagJob::finished()
{
qCInfo(lcEtagJob) << "Request Etag of" << reply()->request().url() << "FINISHED WITH STATUS"
<< replyStatusString();
auto httpCode = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (httpCode == 207) {
// Parse DAV response
QXmlStreamReader reader(reply());
reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration("d", "DAV:"));
QString etag;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
if (type == QXmlStreamReader::StartElement && reader.namespaceUri() == QLatin1String("DAV:")) {
QString name = reader.name().toString();
if (name == QLatin1String("getetag")) {
etag += reader.readElementText();
}
}
}
emit etagRetreived(etag);
emit finishedWithResult(etag);
} else {
emit finishedWithResult(HttpError{ httpCode, errorString() });
}
return true;
}
bool RequestEtagJob::finished()
{
if (reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute) == 207) {
// Parse DAV response
QXmlStreamReader reader(reply());
reader.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration("d", "DAV:"));
QString etag;
while (!reader.atEnd()) {
QXmlStreamReader::TokenType type = reader.readNext();
if (type == QXmlStreamReader::StartElement &&
reader.namespaceUri() == QLatin1String("DAV:")) {
QString name = reader.name().toString();
if (name == QLatin1String("getetag")) {
etag += reader.readElementText();
}
}
}
emit etagRetreived(etag);
}
return true;
}
