private void createFilterGroup() {
if (fProviderGroup.isEventFilteringSupported(true)) {
Group filterMainGroup = new Group(this, SWT.SHADOW_NONE);
filterMainGroup.setText(Messages.TraceControl_EnableEventsFilterGroupName);
GridLayout layout = new GridLayout(3, false);
filterMainGroup.setLayout(layout);
GridData data = new GridData(GridData.FILL_HORIZONTAL);
filterMainGroup.setLayoutData(data);
fFilterText = new Text(filterMainGroup, SWT.LEFT);
fFilterText.setToolTipText(Messages.TraceControl_EnableEventsFilterTooltip);
data = new GridData(GridData.FILL_HORIZONTAL);
fFilterText.setLayoutData(data);
}
}
/**
* Validates the kernel composite input data.
*
* @return true if configured data is valid and can be retrieved.
*/
public boolean isValid() {
fIsTracepoints = fTracepointsActivateButton.getSelection();
fIsSysCalls = fSysCallsActivateButton.getSelection();
fIsDynamicProbe = fProbeActivateButton.getSelection();
fIsDynamicFunctionProbe = fFunctionActivateButton.getSelection();
// initialize tracepoint fields
fIsAllTracepoints = false;
fSelectedEvents = new ArrayList<>();
if (fIsTracepoints) {
Object[] checkedElements = fTracepointsViewer.getCheckedElements();
for (int i = 0; i < checkedElements.length; i++) {
ITraceControlComponent component = (ITraceControlComponent) checkedElements[i];
if (component instanceof BaseEventComponent) {
fSelectedEvents.add(component.getName());
}
}
// verify if all events are selected
int nbEvents = 0;
List<ITraceControlComponent> comps =
fProviderGroup.getChildren(KernelProviderComponent.class);
for (ITraceControlComponent comp : comps) {
nbEvents += comp.getChildren().length;
}
fIsAllTracepoints = (nbEvents == fSelectedEvents.size());
}
if (fIsDynamicProbe) {
String temp = fProbeEventNameText.getText();
if (temp.trim().isEmpty()
|| (!temp.matches("^[\\s]{0,}$")
&& !temp.matches("^[a-zA-Z0-9\\-\\_]{1,}$"))) { // $NON-NLS-1$ //$NON-NLS-2$
MessageDialog.openError(
getShell(),
Messages.TraceControl_EnableEventsDialogTitle,
Messages.TraceControl_InvalidProbeNameError
+ " ("
+ temp
+ ") \n"); //$NON-NLS-1$ //$NON-NLS-2$
return false;
}
fProbeEventName = temp;
// fProbeString will be validated by lttng-tools
fProbeString = fProbeText.getText();
}
// initialize function string
fFunctionEventName = null;
fFunctionString = null;
if (fIsDynamicFunctionProbe) {
String functionTemp = fFunctionEventNameText.getText();
if (functionTemp.trim().isEmpty()
|| (!functionTemp.matches("^[\\s]{0,}$")
&& !functionTemp.matches("^[a-zA-Z0-9\\-\\_]{1,}$"))) { // $NON-NLS-1$ //$NON-NLS-2$
MessageDialog.openError(
getShell(),
Messages.TraceControl_EnableEventsDialogTitle,
Messages.TraceControl_InvalidProbeNameError
+ " ("
+ functionTemp
+ ") \n"); //$NON-NLS-1$ //$NON-NLS-2$
return false;
}
fFunctionEventName = functionTemp;
// fFunctionString will be validated by lttng-tools
fFunctionString = fFunctionText.getText();
}
// initialize filter with null
fFilterExpression = null;
if (fProviderGroup.isEventFilteringSupported(true)) {
String tempFilter = fFilterText.getText();
if (!tempFilter.trim().isEmpty()) {
fFilterExpression = tempFilter;
}
}
return true;
}