DiveComputerManagementDialog::DiveComputerManagementDialog(QWidget* parent, Qt::WindowFlags f): QDialog(parent, f),
model(0)
{
ui.setupUi(this);
init();
connect(ui.tableView, SIGNAL(clicked(QModelIndex)), this, SLOT(tryRemove(QModelIndex)));
}
void LipstickCompositorWindow::imageRelease(QQuickItem *item)
{
Q_ASSERT(m_refs.contains(item));
m_refs.remove(m_refs.indexOf(item));
Q_ASSERT(!m_refs.contains(item));
tryRemove();
}
void ReplicatedMergeTreeRestartingThread::activateReplica()
{
auto host_port = storage.context.getInterserverIOAddress();
auto zookeeper = storage.getZooKeeper();
/// Как другие реплики могут обращаться к данной.
ReplicatedMergeTreeAddress address;
address.host = host_port.first;
address.replication_port = host_port.second;
address.queries_port = storage.context.getTCPPort();
address.database = storage.database_name;
address.table = storage.table_name;
String is_active_path = storage.replica_path + "/is_active";
/** Если нода отмечена как активная, но отметка сделана в этом же экземпляре, удалим ее.
* Такое возможно только при истечении сессии в ZooKeeper.
*/
String data;
Stat stat;
bool has_is_active = zookeeper->tryGet(is_active_path, data, &stat);
if (has_is_active && data == active_node_identifier)
{
auto code = zookeeper->tryRemove(is_active_path, stat.version);
if (code == ZBADVERSION)
throw Exception("Another instance of replica " + storage.replica_path + " was created just now."
" You shouldn't run multiple instances of same replica. You need to check configuration files.",
ErrorCodes::REPLICA_IS_ALREADY_ACTIVE);
if (code != ZOK && code != ZNONODE)
throw zkutil::KeeperException(code, is_active_path);
}
/// Одновременно объявим, что эта реплика активна, и обновим хост.
zkutil::Ops ops;
ops.push_back(new zkutil::Op::Create(is_active_path,
active_node_identifier, zookeeper->getDefaultACL(), zkutil::CreateMode::Ephemeral));
ops.push_back(new zkutil::Op::SetData(storage.replica_path + "/host", address.toString(), -1));
try
{
zookeeper->multi(ops);
}
catch (const zkutil::KeeperException & e)
{
if (e.code == ZNODEEXISTS)
throw Exception("Replica " + storage.replica_path + " appears to be already active. If you're sure it's not, "
"try again in a minute or remove znode " + storage.replica_path + "/is_active manually", ErrorCodes::REPLICA_IS_ALREADY_ACTIVE);
throw;
}
/// current_zookeeper живёт в течение времени жизни replica_is_active_node,
/// так как до изменения current_zookeeper, объект replica_is_active_node уничтожается в методе partialShutdown.
storage.replica_is_active_node = zkutil::EphemeralNodeHolder::existing(is_active_path, *storage.current_zookeeper);
}
void LipstickCompositorWindow::setDelayRemove(bool delay)
{
if (delay == m_delayRemove)
return;
m_delayRemove = delay;
emit delayRemoveChanged();
tryRemove();
}
DiveComputerManagementDialog::DiveComputerManagementDialog(QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f),
model(0)
{
ui.setupUi(this);
init();
connect(ui.tableView, SIGNAL(clicked(QModelIndex)), this, SLOT(tryRemove(QModelIndex)));
QShortcut *close = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this);
connect(close, SIGNAL(activated()), this, SLOT(close()));
QShortcut *quit = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this);
connect(quit, SIGNAL(activated()), parent, SLOT(close()));
}
void LipstickCompositorWindow::setDelayRemove(bool delay)
{
if (delay == m_delayRemove)
return;
m_delayRemove = delay;
if (m_delayRemove)
disconnect(this, &QWaylandSurfaceItem::surfaceDestroyed, this, &QObject::deleteLater);
else
connect(this, &QWaylandSurfaceItem::surfaceDestroyed, this, &QObject::deleteLater);
emit delayRemoveChanged();
tryRemove();
}
void LipstickCompositorWindow::imageRelease()
{
Q_ASSERT(m_ref);
--m_ref;
tryRemove();
}
