void ConnSettings::changeConnParameters(QString s)
{
QString _name = getIconName(s);
Transports->setEnabled(true);
Path->setPlaceholderText("[path]");
Path->setEnabled(true);
if ( _name=="qemu" ) {
Path->setText( (s.endsWith("session"))?"session":"system" );
Path->setEnabled(false);
} else if ( _name=="vbox" ) {
Path->setText( "session" );
Path->setEnabled(false);
} else if ( _name=="vmware" ) {
if ( getDriverName(s).startsWith("vmware") ) {
// VMware Player/Workstation
Path->setText( "session" );
Path->setEnabled(false);
} else {
// VMware ESX
Transports->setCurrentIndex(0);
Transports->setEnabled(false);
Path->setPlaceholderText(
"[[folder/...]datacenter/[folder/...][cluster/]server]");
Path->clear();
};
} else if ( _name=="openvz" ) {
Path->setText( "system" );
Path->setEnabled(false);
} else if ( getDriverName(s)=="test" ) {
Path->setText( "default" );
} else Path->clear();
}
int ManagedDatasource::grabLock(ExceptionSink *xsink) {
if (grabLockIntern() < 0) {
endDBActionIntern();
const char *un = getUsername();
const char *db = getDBName();
xsink->raiseException("TRANSACTION-LOCK-TIMEOUT", "%s:%s@%s: TID %d timed out on datasource '%s@%s' after waiting %d millisecond%s on transaction lock held by TID %d",
getDriverName(), getUsernameStr().c_str(), getDBNameStr().c_str(),
gettid(), un ? un : "<n/a>", db ? db : "<n/a>", tl_timeout_ms,
tl_timeout_ms == 1 ? "" : "s", tid);
return -1;
}
return 0;
}
void ConnSettings::initParamLayout()
{
connName = new QLabel("Connection:", this);
ConnName = new QLineEdit(this);
ConnName->setPlaceholderText("Enter Connection Name");
connect(ConnName, SIGNAL(textChanged(QString)),
this, SLOT(set_Title_Name(QString)));
driver = new QLabel("Driver:", this);
Drivers = new QComboBox(this);
Drivers->addItems(HV_DRIVERS);
for (int i=0; i<Drivers->count(); i++) {
QString _text = Drivers->itemText(i);
QIcon _icon = QIcon::fromTheme( getIconName( _text ) );
Drivers->setItemIcon(i, _icon);
Drivers->setItemData(i, getDriverName( _text ));
};
connect(Drivers, SIGNAL(currentIndexChanged(QString)),
this, SLOT(changeConnParameters(QString)));
transport = new QLabel("Transport:", this);
Transports = new QComboBox(this);
Transports->addItems(TRANSPORTS);
for (int i=0; i<Transports->count(); i++) {
QString _text = Transports->itemText(i);
if ( _text.contains("--") ) _text.clear();
Transports->setItemData(i, _text.toLower() );
};
host = new QLabel("Host:", this);
Host = new QLineEdit(this);
Host->setPlaceholderText("[username@][hostname][:port]");
path = new QLabel("Path:", this);
Path = new QLineEdit(this);
Path->setPlaceholderText("[path]");
extra = new QLabel("Extra:", this);
Extra = new QLineEdit(this);
Extra->setPlaceholderText("[?extraparameters]");
paramLayout = new QGridLayout();
paramLayout->addWidget(connName, 0, 0);
paramLayout->addWidget(ConnName, 0, 1);
paramLayout->addWidget(driver, 1, 0);
paramLayout->addWidget(Drivers, 1, 1);
paramLayout->addWidget(transport, 2, 0);
paramLayout->addWidget(Transports, 2, 1);
paramLayout->addWidget(host, 3, 0);
paramLayout->addWidget(Host, 3, 1);
paramLayout->addWidget(path, 4, 0);
paramLayout->addWidget(Path, 4, 1);
paramLayout->addWidget(extra, 5, 0);
paramLayout->addWidget(Extra, 5, 1);
parameters = new QWidget(this);
parameters->setLayout(paramLayout);
}
void ManagedDatasource::destructor(ExceptionSink *xsink) {
AutoLocker al(&ds_lock);
if (tid == gettid() || tid == -1)
// closeUnlocked will throw an exception if a transaction is in progress (and release the transaction lock if held)
closeUnlocked(xsink);
else
xsink->raiseException("DATASOURCE-ERROR", "%s:%s@%s: TID %d deleted Datasource while TID %d is holding the transaction lock", getDriverName(), getUsernameStr().c_str(), getDBNameStr().c_str(), gettid(), tid);
}
void ManagedDatasource::cleanup(ExceptionSink *xsink) {
// this thread has the transaction lock
AutoLocker al(&ds_lock);
assert(isInTransaction());
xsink->raiseException("DATASOURCE-TRANSACTION-EXCEPTION", "%s:%s@%s: TID %d terminated while in a transaction; transaction will be automatically rolled back and the lock released", getDriverName(), getUsernameStr().c_str(), getDBNameStr().c_str(), gettid());
Datasource::rollback(xsink);
setTransactionStatus(false);
releaseLockIntern();
}
// returns 0 for OK, -1 for exception
int ManagedDatasource::closeUnlocked(ExceptionSink *xsink) {
int rc = 0;
if (grabLock(xsink))
return -1;
if (isOpen()) {
if (isInTransaction()) {
if (!wasConnectionAborted()) {
// FIXME: check for statement
xsink->raiseException("DATASOURCE-TRANSACTION-EXCEPTION", "%s:%s@%s: Datasource closed while in a transaction; transaction will be automatically rolled back and the lock released", getDriverName(), getUsernameStr().c_str(), getDBNameStr().c_str());
Datasource::rollback(xsink);
}
remove_thread_resource(this);
setTransactionStatus(false);
// force-exit the transaction lock
forceReleaseLockIntern();
rc = -1;
}
Datasource::close();
}
return rc;
}
int Datasource::beginImplicitTransaction(ExceptionSink* xsink) {
//printd(5, "Datasource::beginImplicitTransaction() autocommit=%s\n", autocommit ? "true" : "false");
if (priv->autocommit) {
xsink->raiseException("AUTOCOMMIT-ERROR", "%s:%s@%s: transaction management is not available because autocommit is enabled for this Datasource", getDriverName(), priv->username.c_str(), priv->dbname.c_str());
return -1;
}
return qore_dbi_private::get(*priv->dsl)->beginTransaction(this, xsink);
}
