/**
* Notifies this <tt>Conference</tt> that the ordered list of <tt>Endpoint</tt>s of {@link
* #speechActivity} i.e. the dominant speaker history has changed.
*
* <p>This instance notifies the video <tt>Channel</tt>s about the change so that they may update
* their last-n lists and report to this instance which <tt>Endpoint</tt>s are to be asked for
* video keyframes.
*/
private void speechActivityEndpointsChanged() {
List<Endpoint> endpoints = null;
for (Content content : getContents()) {
if (MediaType.VIDEO.equals(content.getMediaType())) {
Set<Endpoint> endpointsToAskForKeyframes = null;
endpoints = speechActivity.getEndpoints();
for (Channel channel : content.getChannels()) {
if (!(channel instanceof RtpChannel)) continue;
RtpChannel rtpChannel = (RtpChannel) channel;
List<Endpoint> channelEndpointsToAskForKeyframes =
rtpChannel.speechActivityEndpointsChanged(endpoints);
if ((channelEndpointsToAskForKeyframes != null)
&& !channelEndpointsToAskForKeyframes.isEmpty()) {
if (endpointsToAskForKeyframes == null) {
endpointsToAskForKeyframes = new HashSet<>();
}
endpointsToAskForKeyframes.addAll(channelEndpointsToAskForKeyframes);
}
}
if ((endpointsToAskForKeyframes != null) && !endpointsToAskForKeyframes.isEmpty()) {
content.askForKeyframes(endpointsToAskForKeyframes);
}
}
}
}
void restoreTransformedClasses(@Nonnull Set<ClassIdentification> previousTransformedClasses) {
if (!transformedClasses.isEmpty()) {
Set<ClassIdentification> classesToRestore;
if (previousTransformedClasses.isEmpty()) {
classesToRestore = transformedClasses.keySet();
} else {
classesToRestore = getTransformedClasses();
classesToRestore.removeAll(previousTransformedClasses);
}
if (!classesToRestore.isEmpty()) {
restoreAndRemoveTransformedClasses(classesToRestore);
}
}
}
public static void main(String[] args) throws Exception {
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
final Boolean isNotificationSupported =
AccessController.doPrivileged(
new PrivilegedAction<Boolean>() {
public Boolean run() {
try {
Class cl = Class.forName("sun.management.VMManagementImpl");
Field f = cl.getDeclaredField("gcNotificationSupport");
f.setAccessible(true);
return f.getBoolean(null);
} catch (ClassNotFoundException e) {
return false;
} catch (NoSuchFieldException e) {
return false;
} catch (IllegalAccessException e) {
return false;
}
}
});
if (!isNotificationSupported) {
System.out.println("GC Notification not supported by the JVM, test skipped");
return;
}
final ObjectName gcMXBeanPattern = new ObjectName("java.lang:type=GarbageCollector,*");
Set<ObjectName> names = mbs.queryNames(gcMXBeanPattern, null);
if (names.isEmpty()) throw new Exception("Test incorrect: no GC MXBeans");
number = names.size();
for (ObjectName n : names) {
if (mbs.isInstanceOf(n, "javax.management.NotificationEmitter")) {
listenerInvoked.put(n.getCanonicalName(), null);
GcListener listener = new GcListener();
mbs.addNotificationListener(n, listener, null, null);
}
}
// Invocation of System.gc() to trigger major GC
System.gc();
// Allocation of many short living and small objects to trigger minor GC
Object data[] = new Object[32];
for (int i = 0; i < 100000000; i++) {
data[i % 32] = new int[8];
}
int wakeup = 0;
synchronized (synchronizer) {
while (count != number) {
synchronizer.wait(10000);
wakeup++;
if (wakeup > 10) break;
}
}
for (GarbageCollectionNotificationInfo notif : listenerInvoked.values()) {
checkGarbageCollectionNotificationInfoContent(notif);
}
System.out.println("Test passed");
}
/**
* Emit Java code for deciding which emit method in the given set applies to an Instruction, and
* then calling the apprpriate method. The method essentially works by recursively parititioning
* the given set into two smaller pieces until it finds a set with only one element. On each
* partition, this method generates code for the appropriate operand type or size query, and
* then calls itself recursively on the two sets resulting from the partition.
*
* <p>This method uses split to determine what test to apply, and emitSingleton when it
* encounteres a singleton set.
*
* <p>Note that the testsPerformed parameter is not needed to do the recursive splitting; this
* is passed to emitSingleton to help it generate appropriate error checking for operands.
*
* @see #split
* @see #emitSingleton
* @param opcode the IA32 opcode being generated
* @param testsPerformed the set of tests already performed
* @param level the indentation level for pretty printing
*/
private void emitSet(String opcode, boolean[][] testsPerformed, int level) {
if (emitters.isEmpty()) {
// do nothing
} else if (isSingleton()) emitSingleton(opcode, testsPerformed, level);
else {
SplitRecord rec = split();
if (DEBUG) {
for (int i = 0; i < level; i++) System.err.print(" ");
System.err.println("split of " + opcode + "[" + rec.argument + "] for " + rec.test);
}
if (testsPerformed[rec.argument][rec.test.ordinal()]) {
throw new Error(
"repeated split of "
+ opcode
+ "["
+ rec.argument
+ "] for "
+ rec.test
+ "\n"
+ this);
}
testsPerformed[rec.argument][rec.test.ordinal()] = true;
EmitterSet[] splits = makeSplit(rec);
emitTab(level);
emit("if (");
emitTest(rec.argument, rec.test);
emit(") {\n");
splits[0].emitSet(opcode, testsPerformed, level + 1);
emit("\n");
emitTab(level);
emit("} else {\n");
splits[1].emitSet(opcode, testsPerformed, level + 1);
emitTab(level);
emit("}\n");
testsPerformed[rec.argument][rec.test.ordinal()] = false;
}
}
/** Generate an assembler for the opt compiler */
public static void main(String[] args) {
try {
out = new FileWriter(System.getProperty("generateToDir") + "/AssemblerOpt.java");
} catch (IOException e) {
throw new Error(e);
}
emit("package org.jikesrvm.compilers.opt.mir2mc.ia32;\n\n");
emit("import org.jikesrvm.*;\n\n");
emit("import org.jikesrvm.compilers.opt.*;\n\n");
emit("import org.jikesrvm.compilers.opt.ir.*;\n\n");
emit("import org.jikesrvm.compilers.opt.ir.ia32.*;\n\n");
emit("import static org.jikesrvm.compilers.opt.ir.ia32.ArchOperators.*;\n\n");
emit("import static org.jikesrvm.compilers.opt.OptimizingCompilerException.opt_assert;\n\n");
emit("\n\n");
emit("/**\n");
emit(" * This class is the automatically-generated assembler for\n");
emit(" * the optimizing compiler. It consists of methods that\n");
emit(" * understand the possible operand combinations of each\n");
emit(" * instruction type, and how to translate those operands to\n");
emit(" * calls to the Assember low-level emit method\n");
emit(" *\n");
emit(" * It is generated by GenerateAssembler.java\n");
emit(" *\n");
emit(" */\n");
emit("public class AssemblerOpt extends AssemblerBase {\n\n");
emitTab(1);
emit("/**\n");
emitTab(1);
emit(" * @see org.jikesrvm.ArchitectureSpecific.Assembler\n");
emitTab(1);
emit(" */\n");
emitTab(1);
emit("public AssemblerOpt(int bcSize, boolean print, IR ir) {\n");
emitTab(2);
emit("super(bcSize, print, ir);\n");
emitTab(1);
emit("}");
emit("\n\n");
Method[] emitters = lowLevelAsm.getDeclaredMethods();
Set<String> opcodes = getOpcodes(emitters);
Iterator<String> i = opcodes.iterator();
while (i.hasNext()) {
String opcode = (String) i.next();
setCurrentOpcode(opcode);
emitTab(1);
emit("/**\n");
emitTab(1);
emit(" * Emit the given instruction, assuming that\n");
emitTab(1);
emit(" * it is a " + currentFormat + " instruction\n");
emitTab(1);
emit(" * and has a " + currentOpcode + " operator\n");
emitTab(1);
emit(" *\n");
emitTab(1);
emit(" * @param inst the instruction to assemble\n");
emitTab(1);
emit(" */\n");
emitTab(1);
emit("private void do" + opcode + "(Instruction inst) {\n");
EmitterSet emitter = buildSetForOpcode(emitters, opcode);
boolean[][] tp = new boolean[4][ArgumentType.values().length];
emitter.emitSet(opcode, tp, 2);
emitTab(1);
emit("}\n\n");
}
emitTab(1);
emit("/**\n");
emitTab(1);
emit(" * The number of instructions emitted so far\n");
emitTab(1);
emit(" */\n");
emitTab(1);
emit("private int instructionCount = 0;\n\n");
emitTab(1);
emit("/**\n");
emitTab(1);
emit(" * Assemble the given instruction\n");
emitTab(1);
emit(" *\n");
emitTab(1);
emit(" * @param inst the instruction to assemble\n");
emitTab(1);
emit(" */\n");
emitTab(1);
emit("public void doInst(Instruction inst) {\n");
emitTab(2);
emit("instructionCount++;\n");
emitTab(2);
emit("resolveForwardReferences(instructionCount);\n");
emitTab(2);
emit("switch (inst.getOpcode()) {\n");
Set<String> emittedOpcodes = new HashSet<String>();
i = opcodes.iterator();
while (i.hasNext()) {
String opcode = i.next();
Iterator<String> operators = getMatchingOperators(opcode).iterator();
while (operators.hasNext()) {
String operator = operators.next();
emitTab(3);
emittedOpcodes.add(operator);
emit("case IA32_" + operator + "_opcode:\n");
}
emitTab(4);
emit("do" + opcode + "(inst);\n");
emitTab(4);
emit("break;\n");
}
// Special case because doJCC is handwritten to add
// logic for short-forward branches
emittedOpcodes.add("JCC");
emitTab(3);
emit("case IA32_JCC_opcode:\n");
emitTab(4);
emit("doJCC(inst);\n");
emitTab(4);
emit("break;\n");
// Special case because doJMP is handwritten to add
// logic for short-forward branches
emittedOpcodes.add("JMP");
emitTab(3);
emit("case IA32_JMP_opcode:\n");
emitTab(4);
emit("doJMP(inst);\n");
emitTab(4);
emit("break;\n");
// Kludge for IA32_LOCK which needs to call emitLockNextInstruction
emittedOpcodes.add("LOCK");
emitTab(3);
emit("case IA32_LOCK_opcode:\n");
emitTab(4);
emit("emitLockNextInstruction();\n");
emitTab(4);
emit("break;\n");
// Kludge for PATCH_POINT
emitTab(3);
emit("case IG_PATCH_POINT_opcode:\n");
emitTab(4);
emit("emitPatchPoint();\n");
emitTab(4);
emit("break;\n");
// Kludge for LOWTABLESWITCH
emitTab(3);
emit("case MIR_LOWTABLESWITCH_opcode:\n");
emitTab(4);
emit("doLOWTABLESWITCH(inst);\n");
emitTab(4);
emit("// kludge table switches that are unusually long instructions\n");
emitTab(4);
emit("instructionCount += MIR_LowTableSwitch.getNumberOfTargets(inst);\n");
emitTab(4);
emit("break;\n");
Set<String> errorOpcodes = getErrorOpcodes(emittedOpcodes);
if (!errorOpcodes.isEmpty()) {
i = errorOpcodes.iterator();
while (i.hasNext()) {
emitTab(3);
emit("case IA32_" + i.next() + "_opcode:\n");
}
emitTab(4);
emit(
"throw new OptimizingCompilerException(inst + \" has unimplemented IA32 opcode (check excludedOpcodes)\");\n");
}
emitTab(2);
emit("}\n");
emitTab(2);
emit("inst.setmcOffset( mi );\n");
emitTab(1);
emit("}\n\n");
emit("\n}\n");
try {
out.close();
} catch (IOException e) {
throw new Error(e);
}
}
public static void main(String[] args) throws Exception {
System.out.println(
"Checking that all known MBeans that are "
+ "NotificationBroadcasters have sane "
+ "MBeanInfo.getNotifications()");
System.out.println("Checking platform MBeans...");
checkPlatformMBeans();
URL codeBase = ClassLoader.getSystemResource("javax/management/MBeanServer.class");
if (codeBase == null) {
throw new Exception("Could not determine codeBase for " + MBeanServer.class);
}
System.out.println();
System.out.println("Looking for standard MBeans...");
String[] classes = findStandardMBeans(codeBase);
System.out.println("Testing standard MBeans...");
for (int i = 0; i < classes.length; i++) {
String name = classes[i];
Class<?> c;
try {
c = Class.forName(name);
} catch (Throwable e) {
System.out.println(name + ": cannot load (not public?): " + e);
continue;
}
if (!NotificationBroadcaster.class.isAssignableFrom(c)) {
System.out.println(name + ": not a NotificationBroadcaster");
continue;
}
if (Modifier.isAbstract(c.getModifiers())) {
System.out.println(name + ": abstract class");
continue;
}
NotificationBroadcaster mbean;
Constructor<?> constr;
try {
constr = c.getConstructor();
} catch (Exception e) {
System.out.println(name + ": no public no-arg constructor: " + e);
continue;
}
try {
mbean = (NotificationBroadcaster) constr.newInstance();
} catch (Exception e) {
System.out.println(name + ": no-arg constructor failed: " + e);
continue;
}
check(mbean);
}
System.out.println();
System.out.println("Testing some explicit cases...");
check(new RelationService(false));
/*
We can't do this:
check(new RequiredModelMBean());
because the Model MBean spec more or less forces us to use the
names GENERIC and ATTRIBUTE_CHANGE for its standard notifs.
*/
checkRMIConnectorServer();
System.out.println();
if (!suspicious.isEmpty()) System.out.println("SUSPICIOUS CLASSES: " + suspicious);
if (failed.isEmpty()) System.out.println("TEST PASSED");
else {
System.out.println("TEST FAILED: " + failed);
System.exit(1);
}
}
private void warnIfUnmatchedOptions() {
if (!unmatchedProcessorOptions.isEmpty()) {
log.warning("proc.unmatched.processor.options", unmatchedProcessorOptions.toString());
}
}