/**
* Closes given {@link #transportManagers} of this <tt>Conference</tt> and removes corresponding
* channel bundle.
*/
void closeTransportManager(TransportManager transportManager) {
synchronized (transportManagers) {
for (Iterator<IceUdpTransportManager> i = transportManagers.values().iterator();
i.hasNext(); ) {
if (i.next() == transportManager) {
i.remove();
// Presumably, we have a single association for
// transportManager.
break;
}
}
// Close manager
try {
transportManager.close();
} catch (Throwable t) {
logger.warn(
"Failed to close an IceUdpTransportManager of" + " conference " + getID() + "!", t);
// The whole point of explicitly closing the
// transportManagers of this Conference is to prevent memory
// leaks. Hence, it does not make sense to possibly leave
// TransportManagers open because a TransportManager has
// failed to close.
if (t instanceof InterruptedException) Thread.currentThread().interrupt();
else if (t instanceof ThreadDeath) throw (ThreadDeath) t;
}
}
}
public TestContainer start() throws TestContainerException {
ClassLoader parent = null;
try {
final Map<String, String> p = new HashMap<String, String>(m_properties);
String folder = p.get("org.osgi.framework.storage");
if (folder == null) {
folder = System.getProperty("org.osgi.framework.storage");
}
if (folder == null) {
// folder = System.getProperty( "user.home" ) + File.separator + "osgi";
folder = getCache();
}
LOG.debug("Cache folder set to " + folder);
FileUtils.delete(new File(folder));
// load default stuff
p.put("org.osgi.framework.storage", folder);
// System.setProperty( "org.osgi.vendor.framework", "org.ops4j.pax.exam" );
p.put(
"org.osgi.framework.system.packages.extra",
"org.ops4j.pax.exam;version=" + skipSnapshotFlag(Info.getPaxExamVersion()));
parent = Thread.currentThread().getContextClassLoader();
// Thread.currentThread().setContextClassLoader( null );
m_framework = m_frameworkFactory.newFramework(p);
m_framework.init();
installAndStartBundles(m_framework.getBundleContext());
Thread.currentThread().setContextClassLoader(parent);
} catch (Exception e) {
throw new TestContainerException("Problem starting test container.", e);
} finally {
if (parent != null) {
Thread.currentThread().setContextClassLoader(parent);
}
}
return this;
}
Object setContextFinder() {
if (!SET_TCCL) return Boolean.FALSE;
Thread currentThread = Thread.currentThread();
ClassLoader previousTCCL = currentThread.getContextClassLoader();
ClassLoader contextFinder = framework.getContextFinder();
if (previousTCCL != contextFinder) {
currentThread.setContextClassLoader(framework.getContextFinder());
return previousTCCL;
}
return Boolean.FALSE;
}
/**
* Expires this <tt>Conference</tt>, its <tt>Content</tt>s and their respective <tt>Channel</tt>s.
* Releases the resources acquired by this instance throughout its life time and prepares it to be
* garbage collected.
*/
public void expire() {
synchronized (this) {
if (expired) return;
else expired = true;
}
EventAdmin eventAdmin = videobridge.getEventAdmin();
if (eventAdmin != null) eventAdmin.sendEvent(EventFactory.conferenceExpired(this));
setRecording(false);
if (recorderEventHandler != null) {
recorderEventHandler.close();
recorderEventHandler = null;
}
Videobridge videobridge = getVideobridge();
try {
videobridge.expireConference(this);
} finally {
// Expire the Contents of this Conference.
for (Content content : getContents()) {
try {
content.expire();
} catch (Throwable t) {
logger.warn(
"Failed to expire content " + content.getName() + " of conference " + getID() + "!",
t);
if (t instanceof InterruptedException) Thread.currentThread().interrupt();
else if (t instanceof ThreadDeath) throw (ThreadDeath) t;
}
}
// Close the transportManagers of this Conference. Normally, there
// will be no TransportManager left to close at this point because
// all Channels have expired and the last Channel to be removed from
// a TransportManager closes the TransportManager. However, a
// Channel may have expired before it has learned of its
// TransportManager and then the TransportManager will not close.
closeTransportManagers();
if (logger.isInfoEnabled()) {
logger.info(
"Expired conference " + getID() + ". " + videobridge.getConferenceCountString());
}
}
}
/*
* see bug 121737
* To ensure that we do not enter a deadly embrace between classloader cycles
* we attempt to obtain a global lock before do normal osgi delegation.
* This approach ensures that only one thread has a classloader locked at a time
*/
private static void lock(Object loader) {
Thread currentThread = Thread.currentThread();
boolean interrupted = false;
synchronized (loader) {
if (tryLock(currentThread, loader)) return; // this thread has the lock
do {
try {
// we wait on the loader object here to release its lock incase we have it.
// we do not way to wait while holding this lock because that will cause deadlock
loader.wait();
} catch (InterruptedException e) {
interrupted = true;
// we still want to try again
}
} while (!tryLock(currentThread));
}
if (interrupted) currentThread.interrupt();
}
/**
* Makes home folder and the configuration file readable and writable only to the owner.
*
* @param cs the <tt>ConfigurationService</tt> instance to check for home folder and configuration
* file.
*/
private static void fixPermissions(ConfigurationService cs) {
if (!OSUtils.IS_LINUX && !OSUtils.IS_MAC) return;
try {
// let's check config file and config folder
File homeFolder = new File(cs.getScHomeDirLocation(), cs.getScHomeDirName());
Set<PosixFilePermission> perms =
new HashSet<PosixFilePermission>() {
{
add(PosixFilePermission.OWNER_READ);
add(PosixFilePermission.OWNER_WRITE);
add(PosixFilePermission.OWNER_EXECUTE);
}
};
Files.setPosixFilePermissions(Paths.get(homeFolder.getAbsolutePath()), perms);
String fileName = cs.getConfigurationFilename();
if (fileName != null) {
File cf = new File(homeFolder, fileName);
if (cf.exists()) {
perms =
new HashSet<PosixFilePermission>() {
{
add(PosixFilePermission.OWNER_READ);
add(PosixFilePermission.OWNER_WRITE);
}
};
Files.setPosixFilePermissions(Paths.get(cf.getAbsolutePath()), perms);
}
}
} catch (Throwable t) {
logger.error("Error creating c lib instance for fixing file permissions", t);
if (t instanceof InterruptedException) Thread.currentThread().interrupt();
else if (t instanceof ThreadDeath) throw (ThreadDeath) t;
}
}
/**
* Bottom level event dispatcher for the BundleContext.
*
* @param originalListener listener object registered under.
* @param l listener to call (may be filtered).
* @param action Event class type
* @param object Event object
*/
public void dispatchEvent(Object originalListener, Object l, int action, Object object) {
// save the bundle ref to a local variable
// to avoid interference from another thread closing this context
AbstractBundle tmpBundle = bundle;
Object previousTCCL = setContextFinder();
try {
if (isValid()) /* if context still valid */ {
switch (action) {
case Framework.BUNDLEEVENT:
case Framework.BUNDLEEVENTSYNC:
{
BundleListener listener = (BundleListener) l;
if (Debug.DEBUG_EVENTS) {
String listenerName =
listener.getClass().getName()
+ "@"
+ Integer.toHexString(System.identityHashCode(listener)); // $NON-NLS-1$
Debug.println(
"dispatchBundleEvent["
+ tmpBundle
+ "]("
+ listenerName
+ ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
BundleEvent event = (BundleEvent) object;
switch (event.getType()) {
case Framework.BATCHEVENT_BEGIN:
{
if (listener instanceof BatchBundleListener)
((BatchBundleListener) listener).batchBegin();
break;
}
case Framework.BATCHEVENT_END:
{
if (listener instanceof BatchBundleListener)
((BatchBundleListener) listener).batchEnd();
break;
}
default:
{
listener.bundleChanged((BundleEvent) object);
}
}
break;
}
case ServiceRegistry.SERVICEEVENT:
{
ServiceEvent event = (ServiceEvent) object;
ServiceListener listener = (ServiceListener) l;
if (Debug.DEBUG_EVENTS) {
String listenerName =
listener.getClass().getName()
+ "@"
+ Integer.toHexString(System.identityHashCode(listener)); // $NON-NLS-1$
Debug.println(
"dispatchServiceEvent["
+ tmpBundle
+ "]("
+ listenerName
+ ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
listener.serviceChanged(event);
break;
}
case Framework.FRAMEWORKEVENT:
{
FrameworkListener listener = (FrameworkListener) l;
if (Debug.DEBUG_EVENTS) {
String listenerName =
listener.getClass().getName()
+ "@"
+ Integer.toHexString(System.identityHashCode(listener)); // $NON-NLS-1$
Debug.println(
"dispatchFrameworkEvent["
+ tmpBundle
+ "]("
+ listenerName
+ ")"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
listener.frameworkEvent((FrameworkEvent) object);
break;
}
default:
{
throw new InternalError();
}
}
}
} catch (Throwable t) {
if (Debug.DEBUG_GENERAL) {
Debug.println(
"Exception in bottom level event dispatcher: " + t.getMessage()); // $NON-NLS-1$
Debug.printStackTrace(t);
}
// allow the adaptor to handle this unexpected error
framework.adaptor.handleRuntimeError(t);
publisherror:
{
if (action == Framework.FRAMEWORKEVENT) {
FrameworkEvent event = (FrameworkEvent) object;
if (event.getType() == FrameworkEvent.ERROR) {
break publisherror; // avoid infinite loop
}
}
framework.publishFrameworkEvent(FrameworkEvent.ERROR, tmpBundle, t);
}
} finally {
if (previousTCCL != Boolean.FALSE)
Thread.currentThread().setContextClassLoader((ClassLoader) previousTCCL);
}
}
