/**
* Do a get on a key in region REGION_NAME. Keys to get are specified in keyIntervals.
*
* @return true if all keys to have get performaed have been completed.
*/
protected boolean get() {
SharedCounters sc = CQUtilBB.getBB().getSharedCounters();
long nextKey = sc.incrementAndRead(CQUtilBB.LASTKEY_GET);
if (!keyIntervals.keyInRange(KeyIntervals.GET, nextKey)) {
Log.getLogWriter().info("All gets completed; returning from get");
return true;
}
Object key = NameFactory.getObjectNameForCounter(nextKey);
Log.getLogWriter().info("Getting " + key);
try {
Object existingValue = aRegion.get(key);
Log.getLogWriter()
.info(
"Done getting "
+ key
+ ", num remaining: "
+ (keyIntervals.getLastKey(KeyIntervals.GET) - nextKey));
if (existingValue == null)
throw new TestException("Get of key " + key + " returned unexpected " + existingValue);
} catch (TimeoutException e) {
throw new TestException(TestHelper.getStackTrace(e));
} catch (CacheLoaderException e) {
throw new TestException(TestHelper.getStackTrace(e));
}
return (nextKey >= keyIntervals.getLastKey(KeyIntervals.GET));
}
/**
* Invalidate a key in region REGION_NAME. The keys to invalidate are specified in keyIntervals.
*
* @return true if all keys to be invalidated have been completed.
*/
protected boolean invalidate() {
SharedCounters sc = CQUtilBB.getBB().getSharedCounters();
long nextKey = sc.incrementAndRead(CQUtilBB.LASTKEY_INVALIDATE);
if (!keyIntervals.keyInRange(KeyIntervals.INVALIDATE, nextKey)) {
Log.getLogWriter().info("All existing keys invalidated; returning from invalidate");
return true;
}
Object key = NameFactory.getObjectNameForCounter(nextKey);
Log.getLogWriter().info("Invalidating " + key);
checkContainsValueForKey(key, true, "before invalidate");
try {
aRegion.invalidate(key);
Log.getLogWriter()
.info(
"Done invalidating "
+ key
+ ", num remaining: "
+ (keyIntervals.getLastKey(KeyIntervals.INVALIDATE) - nextKey));
} catch (TimeoutException e) {
throw new TestException(TestHelper.getStackTrace(e));
} catch (EntryNotFoundException e) {
throw new TestException(TestHelper.getStackTrace(e));
}
return (nextKey >= keyIntervals.getLastKey(KeyIntervals.INVALIDATE));
}
/**
* Destroy a key in region REGION_NAME. The keys to destroy are specified in keyIntervals.
*
* @return true if all keys to be destroyed have been completed.
*/
protected boolean destroy() {
SharedCounters sc = CQUtilBB.getBB().getSharedCounters();
long nextKey = sc.incrementAndRead(CQUtilBB.LASTKEY_DESTROY);
if (!keyIntervals.keyInRange(KeyIntervals.DESTROY, nextKey)) {
Log.getLogWriter().info("All destroys completed; returning from destroy");
return true;
}
Object key = NameFactory.getObjectNameForCounter(nextKey);
Log.getLogWriter().info("Destroying " + key);
checkContainsValueForKey(key, true, "before destroy");
try {
aRegion.destroy(key);
Log.getLogWriter()
.info(
"Done Destroying "
+ key
+ ", num remaining: "
+ (keyIntervals.getLastKey(KeyIntervals.DESTROY) - nextKey));
} catch (CacheWriterException e) {
throw new TestException(TestHelper.getStackTrace(e));
} catch (TimeoutException e) {
throw new TestException(TestHelper.getStackTrace(e));
} catch (EntryNotFoundException e) {
throw new TestException(TestHelper.getStackTrace(e));
}
return (nextKey >= keyIntervals.getLastKey(KeyIntervals.DESTROY));
}
/**
* Run method for this thread: if this thread is set to stop, then stop a VM and wait for it to
* stop. If this thread is set to start then start a VM and wait for it to start. Any errors are
* placed in the blackboard errStr.
*/
public void run() {
try {
Log.getLogWriter().info("Started " + getName());
try {
if (stop) {
ClientVmMgr.stop(
"Test is synchronously stopping "
+ targetVm
+ " with "
+ ClientVmMgr.toStopModeString(stopMode),
stopMode,
ClientVmMgr.ON_DEMAND,
targetVm);
}
VMotionUtil.doVMotion(targetVm);
if (start) {
ClientVmMgr.start("Test is synchronously starting " + targetVm, targetVm);
}
} catch (hydra.ClientVmNotFoundException e) {
Log.getLogWriter()
.info("Caught in thread " + getName() + ":" + TestHelper.getStackTrace(e));
StopStartBB.getBB().getSharedMap().put(StopStartBB.errKey, TestHelper.getStackTrace(e));
}
} catch (Throwable e) {
Log.getLogWriter().info("Caught in thread " + getName() + ":" + TestHelper.getStackTrace(e));
StopStartBB.getBB().getSharedMap().put(StopStartBB.errKey, TestHelper.getStackTrace(e));
}
Log.getLogWriter().info(getName() + " terminating");
}
/** Start all cqs running for this VM, and create a CQHistory instance for each CQ. */
private void startCQsWithHistory() {
initializeQueryService();
CqAttributesFactory cqFac = new CqAttributesFactory();
cqFac.addCqListener(new CQHistoryListener());
cqFac.addCqListener(new CQGatherListener());
CqAttributes cqAttr = cqFac.create();
Iterator it = queryMap.keySet().iterator();
while (it.hasNext()) {
String queryName = (String) (it.next());
String query = (String) (queryMap.get(queryName));
try {
CqQuery cq = qService.newCq(queryName, query, cqAttr);
CQHistory history = new CQHistory(cq.getName());
CQHistoryListener.recordHistory(history);
Log.getLogWriter()
.info(
"Creating CQ with name " + queryName + ": " + query + ", cq attributes: " + cqAttr);
Log.getLogWriter().info("Calling executeWithInitialResults on " + cq);
CqResults rs = cq.executeWithInitialResults();
SelectResults sr = CQUtil.getSelectResults(rs);
if (sr == null) {
throw new TestException(
"For cq "
+ cq
+ " with name "
+ cq.getName()
+ " executeWithInitialResults returned "
+ sr);
}
Log.getLogWriter()
.info(
"Done calling executeWithInitializResults on "
+ cq
+ " with name "
+ queryName
+ ", select results size is "
+ sr.size());
history.setSelectResults(sr);
logNumOps();
// log the select results
List srList = sr.asList();
StringBuffer aStr = new StringBuffer();
aStr.append("SelectResults returned from " + queryName + " is\n");
for (int i = 0; i < srList.size(); i++) {
aStr.append(srList.get(i) + "\n");
}
Log.getLogWriter().info(aStr.toString());
} catch (CqExistsException e) {
throw new TestException(TestHelper.getStackTrace(e));
} catch (RegionNotFoundException e) {
throw new TestException(TestHelper.getStackTrace(e));
} catch (CqException e) {
throw new TestException(TestHelper.getStackTrace(e));
}
}
}
/**
* Do operations on the REGION_NAME's keys using keyIntervals to specify which keys get which
* operations. This will return when all operations in all intervals have completed.
*
* @param availableOps - Bits which are true correspond to the operations that should be executed.
*/
public void doOps(BitSet availableOps) {
boolean useTransactions = getInitialImage.InitImagePrms.useTransactions();
while (availableOps.cardinality() != 0) {
int whichOp = getOp(availableOps, operations.length);
boolean doneWithOps = false;
if (useTransactions) {
TxHelper.begin();
}
switch (whichOp) {
case ADD_NEW_KEY:
doneWithOps = addNewKey();
break;
case INVALIDATE:
doneWithOps = invalidate();
break;
case DESTROY:
doneWithOps = destroy();
break;
case UPDATE_EXISTING_KEY:
doneWithOps = updateExistingKey();
break;
case GET:
doneWithOps = get();
break;
case LOCAL_INVALIDATE:
doneWithOps = localInvalidate();
break;
case LOCAL_DESTROY:
doneWithOps = localDestroy();
break;
default:
{
throw new TestException("Unknown operation " + whichOp);
}
}
if (useTransactions) {
try {
TxHelper.commit();
} catch (CommitConflictException e) {
// currently not expecting any conflicts ...
throw new TestException(
"Unexpected CommitConflictException " + TestHelper.getStackTrace(e));
}
}
if (doneWithOps) {
Log.getLogWriter().info("Done with operation " + whichOp);
availableOps.clear(whichOp);
}
if (sleepBetweenOps) {
Log.getLogWriter().info("Sleeping between ops for " + SLEEP_BETWEEN_OPS_MILLIS + " millis");
MasterController.sleepForMs(SLEEP_BETWEEN_OPS_MILLIS);
}
}
}
/**
* Waits for a List of threads concurrently stopping and starting Vms to finish, as returned by
* {@link #stopStartAsync(List,List)}. Resets the niceKill blackboard entry for each vm is set to
* false.
*
* @param targetVmList A list of hydra.ClientVmInfos to stop then restart.
* @param threadList A parallel list of threads on whom to wait.
*/
public static void joinStopStart(List targetVmList, List threadList) {
Log.getLogWriter().info("Joining stop/start threads...");
// wait for all threads to complete the stop and start
for (int i = 0; i < threadList.size(); i++) {
HydraSubthread aThread = (HydraSubthread) (threadList.get(i));
try {
aThread.join();
} catch (InterruptedException e) {
throw new TestException(TestHelper.getStackTrace(e));
}
Object err = StopStartBB.getBB().getSharedMap().get(StopStartBB.errKey);
if (err != null) {
throw new TestException(err.toString());
}
}
// reset the blackboard entries
for (int i = 0; i < targetVmList.size(); i++) {
ClientVmInfo targetVm = (ClientVmInfo) (targetVmList.get(i));
StopStartBB.getBB()
.getSharedMap()
.put(StopStartVMs.NiceKillInProgress + targetVm.getVmid(), new Boolean(false));
}
Log.getLogWriter().info("Done joining stop/start threads...");
}
public void reduce(GFKey key, Iterable<PEIWritable> values, Context context)
throws IOException, InterruptedException {
// For a particular key ... process all records and output what we would have expected in this
// concKnownKeys test
// Note that we either
// 1. do a single create
// 2. create + update
// 3. create + destroy
// look at all ops ... and output either
// 1. create
// 2. create (with value from update)
// 3. do nothing (overall result is destroy, so do not create the entry in the gemfire
// validation region
String keyStr = (String) key.getKey();
ValueHolder updateValue = null;
ValueHolder createValue = null;
boolean destroyed = false;
System.out.println("KnownKeysMRv2.reduce() invoked with " + keyStr);
for (PEIWritable value : values) {
PersistedEventImpl event = value.getEvent();
Operation op = event.getOperation();
ValueHolder vh = null;
if (op.isDestroy()) {
destroyed = true;
} else {
try {
vh = (ValueHolder) event.getDeserializedValue();
} catch (ClassNotFoundException e) {
System.out.println(
"KnownKeysMRv2.map() caught " + e + " : " + TestHelper.getStackTrace(e));
}
if (op.isUpdate()) {
updateValue = vh;
} else {
createValue = vh;
}
}
System.out.println(
"KnownKeysMRv2.reduce() record: "
+ op.toString()
+ ": key = "
+ keyStr
+ " and op "
+ op.toString());
}
if (!destroyed) {
if (updateValue != null) {
context.write(key.getKey(), updateValue);
} else {
context.write(key.getKey(), createValue);
}
}
}
// Identity mapper (log and write out processed key/value pairs, the value is the
// PersistedEventImpl)
public void map(GFKey key, PersistedEventImpl value, Context context)
throws IOException, InterruptedException {
String keyStr = (String) key.getKey();
Operation op = value.getOperation();
ValueHolder entryValue = null;
System.out.println("map method invoked with " + keyStr + " " + op.toString());
try {
entryValue = (ValueHolder) value.getDeserializedValue();
} catch (ClassNotFoundException e) {
System.out.println("KnownKeysMRv2.map() caught " + e + " : " + TestHelper.getStackTrace(e));
}
context.write(key, new PEIWritable(value));
}
/**
* Create a region with the given region description name.
*
* @param regDescriptName The name of a region description.
*/
protected void initializeRegion(String regDescriptName) {
CacheHelper.createCache("cache1");
String key = VmIDStr + RemoteTestModule.getMyVmid();
String xmlFile = key + ".xml";
try {
CacheHelper.generateCacheXmlFile("cache1", regDescriptName, xmlFile);
} catch (HydraRuntimeException e) {
if (e.toString().indexOf("Cache XML file was already created") >= 0) {
// this can occur when reinitializing after a stop-start because
// the cache xml file is written during the first init tasks
} else {
throw new TestException(TestHelper.getStackTrace(e));
}
}
aRegion = RegionHelper.createRegion(regDescriptName);
}
protected void initializeQueryService() {
try {
String usingPool = TestConfig.tab().stringAt(CQUtilPrms.QueryServiceUsingPool, "false");
boolean queryServiceUsingPool = Boolean.valueOf(usingPool).booleanValue();
if (queryServiceUsingPool) {
Pool pool = PoolHelper.createPool(CQUtilPrms.getQueryServicePoolName());
qService = pool.getQueryService();
Log.getLogWriter()
.info("Initializing QueryService using Pool. PoolName: " + pool.getName());
} else {
qService = CacheHelper.getCache().getQueryService();
Log.getLogWriter().info("Initializing QueryService using Cache.");
}
} catch (Exception e) {
throw new TestException(TestHelper.getStackTrace(e));
}
}
/**
* Creates a new key/value in the given region by creating a new key within the range and a random
* value.
*
* @param aRegion The region to create the new key in.
* @param exists Not used in this overridden method; this test wants to use unique keys even on
* creates, so we don't do anything different here based on the value of exists.
* @return An instance of Operation describing the create operation.
*/
@Override
public Operation createEntry(Region aRegion, boolean exists) {
int lower = ((Integer) (lowerKeyRange.get())).intValue();
int upper = ((Integer) (upperKeyRange.get())).intValue();
long keyIndex = TestConfig.tab().getRandGen().nextInt(lower, upper);
long startKeyIndex = keyIndex;
Object key = NameFactory.getObjectNameForCounter(keyIndex);
boolean containsKey = aRegion.containsKey(key);
while (containsKey) { // looking for a key that does not exist
keyIndex++; // go to the next key
if (keyIndex > upper) keyIndex = lower;
if (keyIndex == startKeyIndex) { // considered all keys
return null;
}
key = NameFactory.getObjectNameForCounter(keyIndex);
containsKey = aRegion.containsKey(key);
}
BaseValueHolder vh = new ValueHolder(key, randomValues, new Integer(modValInitializer++));
try {
Log.getLogWriter()
.info(
"createEntryKeyRange: putting key "
+ key
+ ", object "
+ vh.toString()
+ " in region "
+ aRegion.getFullPath());
aRegion.put(key, vh);
Log.getLogWriter()
.info(
"createEntryKeyRange: done putting key "
+ key
+ ", object "
+ vh.toString()
+ " in region "
+ aRegion.getFullPath());
} catch (Exception e) {
throw new TestException(TestHelper.getStackTrace(e));
}
return new Operation(aRegion.getFullPath(), key, Operation.ENTRY_CREATE, null, vh.modVal);
}
/**
* Verify the contents of the region, taking into account the keys that were destroyed,
* invalidated, etc (as specified in keyIntervals) Throw an error of any problems are detected.
* This must be called repeatedly by the same thread until StopSchedulingTaskOnClientOrder is
* thrown.
*/
public void verifyRegionContents() {
final long LOG_INTERVAL_MILLIS = 10000;
// we already completed this check once; we can't do it again without reinitializing the
// verify state variables
if (verifyRegionContentsCompleted) {
throw new TestException(
"Test configuration problem; already verified region contents, "
+ "cannot call this task again without resetting batch variables");
}
// iterate keys
long lastLogTime = System.currentTimeMillis();
long minTaskGranularitySec = TestConfig.tab().longAt(TestHelperPrms.minTaskGranularitySec);
long minTaskGranularityMS = minTaskGranularitySec * TestHelper.SEC_MILLI_FACTOR;
long startTime = System.currentTimeMillis();
long size = aRegion.size();
boolean first = true;
int numKeysToCheck = keyIntervals.getNumKeys() + numNewKeys;
while (verifyRegionContentsIndex < numKeysToCheck) {
verifyRegionContentsIndex++;
if (first) {
Log.getLogWriter()
.info(
"In verifyRegionContents, region has "
+ size
+ " keys; starting verify at verifyRegionContentsIndex "
+ verifyRegionContentsIndex
+ "; verifying key names with indexes through (and including) "
+ numKeysToCheck);
first = false;
}
// check region size the first time through the loop to avoid it being called
// multiple times when this is batched
if (verifyRegionContentsIndex == 1) {
if (totalNumKeys != size) {
String tmpStr = "Expected region size to be " + totalNumKeys + ", but it is size " + size;
Log.getLogWriter().info(tmpStr);
verifyRegionContentsErrStr.append(tmpStr + "\n");
}
}
Object key = NameFactory.getObjectNameForCounter(verifyRegionContentsIndex);
try {
if (((verifyRegionContentsIndex >= keyIntervals.getFirstKey(KeyIntervals.NONE))
&& (verifyRegionContentsIndex <= keyIntervals.getLastKey(KeyIntervals.NONE)))
|| ((verifyRegionContentsIndex >= keyIntervals.getFirstKey(KeyIntervals.GET))
&& (verifyRegionContentsIndex <= keyIntervals.getLastKey(KeyIntervals.GET)))) {
// this key was untouched after its creation
checkContainsKey(key, true, "key was untouched");
checkContainsValueForKey(key, true, "key was untouched");
Object value = aRegion.get(key);
checkValue(key, value);
} else if ((verifyRegionContentsIndex >= keyIntervals.getFirstKey(KeyIntervals.INVALIDATE))
&& (verifyRegionContentsIndex <= keyIntervals.getLastKey(KeyIntervals.INVALIDATE))) {
checkContainsKey(key, true, "key was invalidated");
checkContainsValueForKey(key, false, "key was invalidated");
} else if ((verifyRegionContentsIndex
>= keyIntervals.getFirstKey(KeyIntervals.LOCAL_INVALIDATE))
&& (verifyRegionContentsIndex
<= keyIntervals.getLastKey(KeyIntervals.LOCAL_INVALIDATE))) {
// this key was locally invalidated
checkContainsKey(key, true, "key was locally invalidated");
checkContainsValueForKey(key, true, "key was locally invalidated");
Object value = aRegion.get(key);
checkValue(key, value);
} else if ((verifyRegionContentsIndex >= keyIntervals.getFirstKey(KeyIntervals.DESTROY))
&& (verifyRegionContentsIndex <= keyIntervals.getLastKey(KeyIntervals.DESTROY))) {
// this key was destroyed
checkContainsKey(key, false, "key was destroyed");
checkContainsValueForKey(key, false, "key was destroyed");
} else if ((verifyRegionContentsIndex
>= keyIntervals.getFirstKey(KeyIntervals.LOCAL_DESTROY))
&& (verifyRegionContentsIndex <= keyIntervals.getLastKey(KeyIntervals.LOCAL_DESTROY))) {
// this key was locally destroyed
checkContainsKey(key, true, "key was locally destroyed");
checkContainsValueForKey(key, true, "key was locally destroyed");
Object value = aRegion.get(key);
checkValue(key, value);
} else if ((verifyRegionContentsIndex
>= keyIntervals.getFirstKey(KeyIntervals.UPDATE_EXISTING_KEY))
&& (verifyRegionContentsIndex
<= keyIntervals.getLastKey(KeyIntervals.UPDATE_EXISTING_KEY))) {
// this key was updated
checkContainsKey(key, true, "key was updated");
checkContainsValueForKey(key, true, "key was updated");
Object value = aRegion.get(key);
checkUpdatedValue(key, value);
} else if (verifyRegionContentsIndex > keyIntervals.getNumKeys()) {
// key was newly added
checkContainsKey(key, true, "key was new");
checkContainsValueForKey(key, true, "key was new");
Object value = aRegion.get(key);
checkValue(key, value);
}
} catch (TestException e) {
Log.getLogWriter().info(TestHelper.getStackTrace(e));
verifyRegionContentsErrStr.append(e.getMessage() + "\n");
}
if (System.currentTimeMillis() - lastLogTime > LOG_INTERVAL_MILLIS) {
Log.getLogWriter()
.info("Verified key " + verifyRegionContentsIndex + " out of " + totalNumKeys);
lastLogTime = System.currentTimeMillis();
}
if (System.currentTimeMillis() - startTime >= minTaskGranularityMS) {
Log.getLogWriter()
.info(
"In HydraTask_verifyRegionContents, returning before completing verify "
+ "because of task granularity (this task must be batched to complete); last key verified is "
+ key);
return; // task is batched; we are done with this batch
}
}
verifyRegionContentsCompleted = true;
if (verifyRegionContentsErrStr.length() > 0) {
throw new TestException(verifyRegionContentsErrStr.toString());
}
String aStr =
"In HydraTask_verifyRegionContents, verified " + verifyRegionContentsIndex + " keys/values";
Log.getLogWriter().info(aStr);
throw new StopSchedulingTaskOnClientOrder(aStr);
}
/**
* Invokes AdminDistributedSystem.shutDownAllMembers() which disconnects all members but leaves
* the vms up (because hydra threads remain) including the possibility of this vm being
* disconnected, then this actually stops those vms (except this vm if it was targeted in the
* shutDownAllMembers...this vm will remain up but disconnect). Stopped vms are stopped with
* ON_DEMAND restart. This returns when the vms disconnected by shutDownAllMembers() (other than
* this one) are all stopped .
*
* @param adminDS The admin distributed system instance to use to call shutdownAllMembers.
* @param stopModes The stop modes to choose from.
* @return An Array [0] List of {@link ClientVmInfo} instances describing the VMs that were
* stopped. [1] Set, the return from shutdownAllMembers()
* @throws AdminException if the shutDownAllMembers call throws this exception.
*/
public static Object[] shutDownAllMembers(
AdminDistributedSystem adminDS, List<String> stopModes) {
if (adminDS == null) {
throw new HydraRuntimeException("AdminDistributedSystem cannot be null");
}
// Invoke shutDownAllMembers
Log.getLogWriter().info("AdminDS " + adminDS + " is shutting down all members...");
Set<DistributedMember> memberSet;
try {
long startTime = System.currentTimeMillis();
memberSet = adminDS.shutDownAllMembers();
long duration = System.currentTimeMillis() - startTime;
Log.getLogWriter()
.info(
"AdminDS "
+ adminDS
+ " shut down (disconnected) the following members "
+ "(vms remain up): "
+ memberSet
+ "; shutDownAll duration "
+ duration
+ "ms");
} catch (AdminException e1) {
throw new TestException(TestHelper.getStackTrace(e1));
}
// Now actually stop the vms.
// First get the ClientVmInfos for the members that shutDownAllMembers
// disconnected.
List<ClientVmInfo> allClientInfos = new ArrayList(); // all members that were shutdown
List<ClientVmInfo> allOtherClientInfos =
new ArrayList(); // all members that were shutdown except this member
ClientVmInfo thisClientInfo =
null; // this member, or will remain null if this member was not shutdown
List<String> stopModesToUse = new ArrayList();
for (DistributedMember aMember : memberSet) {
Integer vmId = null;
try {
vmId =
new Integer(RemoteTestModule.Master.getVmid(aMember.getHost(), aMember.getProcessId()));
} catch (java.rmi.RemoteException e) {
throw new HydraRuntimeException("Unable to get vmID for " + aMember + ": " + e);
}
ClientVmInfo infoFromBB =
(ClientVmInfo) StopStartBB.getBB().getSharedMap().get("StopStartVMInfo_for_vmid_" + vmId);
String clientName = null;
if (infoFromBB != null) {
clientName = infoFromBB.getClientName();
}
ClientVmInfo info = new ClientVmInfo(vmId, clientName, null);
allClientInfos.add(info);
if (vmId == RemoteTestModule.getMyVmid()) {
// shutdownAll disconnected this vm
thisClientInfo = info;
} else { // aMember is not the current vm
allOtherClientInfos.add(info);
}
stopModesToUse.add(
stopModes.get(TestConfig.tab().getRandGen().nextInt(0, stopModes.size() - 1)));
}
// now actually stop the vms; if this vm is included, do it last
Object[] returnArr = new Object[2];
if (thisClientInfo == null) { // shutDownAllMembers did not disconnect this vm
// we can just stop all of them now and this vm lives on
StopStartVMs.stopVMs(allClientInfos, stopModesToUse); // restart is ON_DEMAND
returnArr[0] = allClientInfos;
} else { // this vm was disconnected by shutDownAllMembers
// first shutdown all other members except this one
StopStartVMs.stopVMs(allOtherClientInfos, stopModesToUse.subList(0, stopModesToUse.size()));
returnArr[0] = allOtherClientInfos;
}
returnArr[1] = memberSet;
return returnArr;
}
/**
* Concurrently stop and/or start a List of Vms. Wait for the operations to complete before
* returning.
*
* <p>Side effects: For any VM which is performing a NICE_KILL because of this call, it is marked
* as such in the StopStartBB (blackboard). The blackboard will contain a key prefixed with
* util.StopStartVMs.NiceKillInProgress and appended to with its VmId. The value of this key is
* the true.
*
* <p>This blackboard entry is for the convenience of the caller, and it is up to the caller to
* look for it or not. When a VM undergoes a NICE_KILL, the VM closes the cache and disconnects
* from the distributed system. Any threads in that VM doing work can get exceptions during the
* close and/or disconnect step. This blackboard entry is useful for those threads to allow
* exceptions when they know an exception is possible.
*
* @param targetVmList A list of hydra.ClientVmInfos to stop and/or start.
* @param stopModeList A parallel list of stop modes (Strings), if doStop is true.
* @param doStop True if we want to stop the targetVmList, false if not.
* @param doStart True if we want to start the targetVmList, false if not.
*/
private static void stopStartVMs(
List targetVmList, List stopModeList, boolean doStop, boolean doStart) {
Log.getLogWriter()
.info(
"In stopStartVMs, vms to "
+ getAction(doStop, doStart)
+ ": "
+ targetVmList
+ ", corresponding stop modes: "
+ stopModeList);
if (doStop) {
// mark in the blackboard any vms that will undergo a NICE_KILL
for (int i = 0; i < stopModeList.size(); i++) {
String stopMode = (String) (stopModeList.get(i));
if (ClientVmMgr.toStopMode(stopMode) == ClientVmMgr.NICE_KILL) {
// write nice kills to the blackboard so the killed vm may, if it chooses, handle any
// exceptions that are underway.
StopStartBB.getBB()
.getSharedMap()
.put(
NiceKillInProgress + ((ClientVmInfo) targetVmList.get(i)).getVmid(),
new Boolean(true));
}
}
}
// process the vms in targetVms list
List threadList = new ArrayList();
for (int i = 0; i < targetVmList.size(); i++) {
ClientVmInfo targetVm = (ClientVmInfo) (targetVmList.get(i));
int stopMode = 0;
if (doStop) {
stopMode = ClientVmMgr.toStopMode((String) (stopModeList.get(i)));
}
StringBuffer aStr = new StringBuffer();
Thread aThread = new StopStartVMs(targetVm, stopMode, doStop, doStart);
aThread = new HydraSubthread(aThread);
threadList.add(aThread);
aThread.start();
}
// wait for all threads to complete their actions
for (int i = 0; i < threadList.size(); i++) {
Thread aThread = (Thread) (threadList.get(i));
try {
aThread.join();
} catch (InterruptedException e) {
throw new TestException(TestHelper.getStackTrace(e));
}
}
String err = (String) (StopStartBB.getBB().getSharedMap().get(StopStartBB.errKey));
if (err != null) {
throw new TestException(err);
}
// reset the blackboard entries
if (doStop) {
for (int i = 0; i < targetVmList.size(); i++) {
ClientVmInfo targetVm = (ClientVmInfo) (targetVmList.get(i));
StopStartBB.getBB()
.getSharedMap()
.put(StopStartVMs.NiceKillInProgress + targetVm.getVmid(), new Boolean(false));
}
}
Log.getLogWriter()
.info("In stopStartVMs, done with " + getAction(doStop, doStart) + ": " + targetVmList);
}
