void DVRServerRepository::loadServers()
{
Q_ASSERT(m_servers.isEmpty());
QSettings settings;
settings.beginGroup(QLatin1String("servers"));
QStringList groups = settings.childGroups();
DVRServerSettingsReader settingsReader;
foreach (QString group, groups)
{
bool ok = false;
int id = (int)group.toUInt(&ok);
if (!ok)
{
qWarning("Ignoring invalid server ID from configuration");
continue;
}
DVRServer *server = settingsReader.readServer(id);
if (!server)
{
qWarning("Ignoring invalid server from configuration");
continue;
}
server->setParent(this);
connect(server, SIGNAL(serverRemoved(DVRServer*)), this, SLOT(onServerRemoved(DVRServer*)));
connect(server, SIGNAL(statusAlertMessageChanged(QString)), this, SIGNAL(serverAlertsChanged()));
m_servers.append(server);
m_maxServerId = qMax(m_maxServerId, id);
}
void DVRServer::updateStatsReply()
{
QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
if (!reply)
return;
reply->deleteLater();
QString message;
if (reply->error() != QNetworkReply::NoError)
{
message = tr("Status request error: %1").arg(reply->errorString());
}
else
{
QByteArray data = reply->readAll();
QXmlStreamReader xml(data);
bool hadMessageElement = false;
while (xml.readNextStartElement())
{
if (xml.name() == QLatin1String("stats"))
{
while (xml.readNext() != QXmlStreamReader::Invalid)
{
if (xml.tokenType() == QXmlStreamReader::EndElement && xml.name() == QLatin1String("stats"))
break;
else if (xml.tokenType() != QXmlStreamReader::StartElement)
continue;
if (xml.name() == QLatin1String("message"))
{
hadMessageElement = true;
QString text = xml.readElementText();
if (!text.isEmpty())
message = text;
}
else if (xml.name() == QLatin1String("bc-server-running") &&
xml.readElementText().trimmed() == QLatin1String("down"))
message = tr("Server process stopped");
}
}
}
if (!hadMessageElement)
message = tr("Status request error: invalid server response");
}
if (message != m_statusAlertMessage) {
m_statusAlertMessage = message;
emit statusAlertMessageChanged(message);
}
}
void DVRServer::disconnectedSlot()
{
while (!m_visibleCameras.isEmpty())
{
DVRCamera *c = m_visibleCameras.takeFirst();
c->setOnline(false);
emit cameraRemoved(c);
}
m_devicesLoaded = false;
m_statusAlertMessage.clear();
emit statusAlertMessageChanged(QString());
}
DVRServer * DVRServerRepository::createServer(const QString& name)
{
int id = ++m_maxServerId;
DVRServer *server = new DVRServer(id, this);
server->configuration().setDisplayName(name);
emit serverAboutToBeAdded(server);
m_servers.append(server);
connect(server, SIGNAL(serverRemoved(DVRServer*)), this, SLOT(onServerRemoved(DVRServer*)));
connect(server, SIGNAL(statusAlertMessageChanged(QString)), this, SIGNAL(serverAlertsChanged()));
emit serverAdded(server);
return server;
}
void DVRServersModel::serverAdded(DVRServer *server)
{
Item i;
i.server = server;
foreach (DVRCamera *camera, server->cameras())
i.cameras.append(camera);
beginInsertRows(QModelIndex(), m_items.size(), m_items.size());
m_items.append(i);
endInsertRows();
connect(server, SIGNAL(changed()), SLOT(serverDataChanged()));
connect(server, SIGNAL(statusChanged(int)), SLOT(serverDataChanged()));
connect(server, SIGNAL(cameraAdded(DVRCamera*)), SLOT(cameraAdded(DVRCamera*)));
connect(server, SIGNAL(cameraRemoved(DVRCamera*)), SLOT(cameraRemoved(DVRCamera*)));
connect(server, SIGNAL(statusAlertMessageChanged(QString)), SLOT(serverDataChanged()));
}
