private boolean handshake() {
boolean res;
long started = System.currentTimeMillis();
do {
try {
res = myPydevConsoleCommunication.handshake();
} catch (XmlRpcException ignored) {
res = false;
}
if (res) {
break;
} else {
long now = System.currentTimeMillis();
if (now - started > APPROPRIATE_TO_WAIT) {
break;
} else {
try {
Thread.sleep(100);
} catch (InterruptedException ignored) {
}
}
}
} while (true);
return res;
}
public void dispose() {
LOG.assertTrue(EventQueue.isDispatchThread(), Thread.currentThread().getName());
myAbstractTreeBuilder = null;
// this will also dispose wrapped TreeModel
myTreeModelWrapper.dispose();
myFileEditor = null;
}
public void drainQueuedUsageNodes() {
assert !ApplicationManager.getApplication().isDispatchThread() : Thread.currentThread();
UIUtil.invokeAndWaitIfNeeded(
new Runnable() {
@Override
public void run() {
myTransferToEDTQueue.drain();
}
});
}
@TestOnly
public static void dispatchAllInvocationEventsInIdeEventQueue() throws InterruptedException {
assert SwingUtilities.isEventDispatchThread() : Thread.currentThread();
final EventQueue eventQueue = Toolkit.getDefaultToolkit().getSystemEventQueue();
while (true) {
AWTEvent event = eventQueue.peekEvent();
if (event == null) break;
AWTEvent event1 = eventQueue.getNextEvent();
if (event1 instanceof InvocationEvent) {
IdeEventQueue.getInstance().dispatchEvent(event1);
}
}
}
@TestOnly
public static void waitForAlarm(final int delay) throws InterruptedException {
assert !ApplicationManager.getApplication().isWriteAccessAllowed()
: "It's a bad idea to wait for an alarm under the write action. Somebody creates an alarm which requires read action and you are deadlocked.";
assert ApplicationManager.getApplication().isDispatchThread();
final AtomicBoolean invoked = new AtomicBoolean();
final Alarm alarm = new Alarm(Alarm.ThreadToUse.SWING_THREAD);
alarm.addRequest(
new Runnable() {
@Override
public void run() {
ApplicationManager.getApplication()
.invokeLater(
new Runnable() {
@Override
public void run() {
alarm.addRequest(
new Runnable() {
@Override
public void run() {
invoked.set(true);
}
},
delay);
}
});
}
},
delay);
UIUtil.dispatchAllInvocationEvents();
boolean sleptAlready = false;
while (!invoked.get()) {
UIUtil.dispatchAllInvocationEvents();
//noinspection BusyWait
Thread.sleep(sleptAlready ? 10 : delay);
sleptAlready = true;
}
UIUtil.dispatchAllInvocationEvents();
}
private AnActionEvent stopConsole(AnActionEvent e) {
if (myPydevConsoleCommunication != null) {
e =
new AnActionEvent(
e.getInputEvent(),
e.getDataContext(),
e.getPlace(),
e.getPresentation(),
e.getActionManager(),
e.getModifiers());
try {
closeCommunication();
// waiting for REPL communication before destroying process handler
Thread.sleep(300);
} catch (Exception ignored) {
// Ignore
}
}
return e;
}
private static int readInt(Scanner s, Process process) throws ExecutionException {
long started = System.currentTimeMillis();
while (System.currentTimeMillis() - started < PORTS_WAITING_TIMEOUT) {
if (s.hasNextLine()) {
String line = s.nextLine();
try {
return Integer.parseInt(line);
} catch (NumberFormatException ignored) {
continue;
}
}
try {
Thread.sleep(200);
} catch (InterruptedException ignored) {
}
if (process.exitValue() != 0) {
String error;
try {
error =
"Console process terminated with error:\n"
+ StreamUtil.readText(process.getErrorStream());
} catch (Exception ignored) {
error = "Console process terminated with exit code " + process.exitValue();
}
throw new ExecutionException(error);
} else {
break;
}
}
throw new ExecutionException("Couldn't read integer value from stream");
}