@Override
public String toString() {
String expireTime = "<unavailable>";
try {
expireTime = String.valueOf(getExpirationTime());
} catch (VirtualMachineError err) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
} catch (Throwable e) {
// Whenever you catch Error or Throwable, you must also
// catch VirtualMachineError (see above). However, there is
// _still_ a possibility that you are dealing with a cascading
// error condition, so you also need to check to see if the JVM
// is still usable:
SystemFailure.checkFailure();
}
return super.toString()
+ " for "
+ getLocalRegion().getFullPath()
+ ", expiration time: "
+ expireTime
+ " [now: "
+ getNow()
+ "]";
}
public static int compare(Number param, Number threshold) throws Throwable {
try {
int eval = 0;
if (threshold instanceof Double) {
eval = Double.compare(param.doubleValue(), threshold.doubleValue());
} else if (threshold instanceof Float) {
eval = Float.compare(param.floatValue(), threshold.floatValue());
} else if (threshold instanceof Long) {
eval = (Long.valueOf(param.longValue())).compareTo(Long.valueOf(threshold.longValue()));
} else if (threshold instanceof Integer) {
eval = param.intValue() > threshold.intValue() ? 1 : -1;
}
return eval;
} catch (VirtualMachineError err) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
} catch (Throwable e) {
// Whenever you catch Error or Throwable, you must also
// catch VirtualMachineError (see above). However, there is
// _still_ a possibility that you are dealing with a cascading
// error condition, so you also need to check to see if the JVM
// is still usable:
SystemFailure.checkFailure();
throw e;
}
}
@Override
protected void process(DistributionManager dm) {
try {
PartitionedRegion pr = PartitionedRegion.getPRFromId(this.prId);
for (Map.Entry<Integer, BucketAdvisor.BucketProfile> profile : this.profiles.entrySet()) {
pr.getRegionAdvisor().putBucketProfile(profile.getKey(), profile.getValue());
}
} catch (PRLocallyDestroyedException fre) {
if (logger.isDebugEnabled()) logger.debug("<region locally destroyed> ///{}", this);
} catch (RegionDestroyedException e) {
if (logger.isDebugEnabled()) logger.debug("<region destroyed> ///{}", this);
} catch (CancelException e) {
if (logger.isDebugEnabled()) logger.debug("<cache closed> ///{}", this);
} catch (VirtualMachineError err) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
} catch (Throwable ignore) {
// Whenever you catch Error or Throwable, you must also
// catch VirtualMachineError (see above). However, there is
// _still_ a possibility that you are dealing with a cascading
// error condition, so you also need to check to see if the JVM
// is still usable:
SystemFailure.checkFailure();
} finally {
if (this.processorId != 0) {
ReplyMessage.send(getSender(), this.processorId, null, dm);
}
}
}
/* (non-Javadoc)
* @see com.gemstone.gemfire.distributed.internal.DistributionMessage#process(com.gemstone.gemfire.distributed.internal.DistributionManager)
*/
@Override
protected void process(DistributionManager dm) {
Throwable thr = null;
JmxManagerProfile p = null;
try {
final GemFireCacheImpl cache = GemFireCacheImpl.getInstance();
if (cache != null && !cache.isClosed()) {
final JmxManagerAdvisor adv = cache.getJmxManagerAdvisor();
p = this.profile;
if (p != null) {
adv.putProfile(p);
}
} else {
if (logger.isDebugEnabled()) {
logger.debug("No cache {}", this);
}
}
} catch (CancelException e) {
if (logger.isDebugEnabled()) {
logger.debug("Cache closed, ", this);
}
} catch (VirtualMachineError err) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
} catch (Throwable t) {
// Whenever you catch Error or Throwable, you must also
// catch VirtualMachineError (see above). However, there is
// _still_ a possibility that you are dealing with a cascading
// error condition, so you also need to check to see if the JVM
// is still usable:
SystemFailure.checkFailure();
thr = t;
} finally {
if (thr != null) {
dm.getCancelCriterion().checkCancelInProgress(null);
logger.info(
LocalizedMessage.create(
LocalizedStrings.ResourceAdvisor_MEMBER_CAUGHT_EXCEPTION_PROCESSING_PROFILE,
new Object[] {p, toString()},
thr));
}
}
}
public static boolean isLessThan(Number param, Number threshold) {
try {
int eval = compare(param, threshold);
return eval < 0;
} catch (VirtualMachineError err) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
} catch (Throwable e) {
// Whenever you catch Error or Throwable, you must also
// catch VirtualMachineError (see above). However, there is
// _still_ a possibility that you are dealing with a cascading
// error condition, so you also need to check to see if the JVM
// is still usable:
SystemFailure.checkFailure();
return false;
}
}
protected void run(final String[] args) {
try {
final String command = args[0];
if (command.equalsIgnoreCase("start")) {
start(args);
} else if (command.equalsIgnoreCase("server")) {
server(args);
} else if (command.equalsIgnoreCase("stop")) {
stop(args);
} else if (command.equalsIgnoreCase("status")) {
status(args);
} else if (command.toLowerCase().matches("-{0,2}help")) {
if (args.length > 1) {
final String topic = args[1];
if (topic.equals("config")) {
configHelp();
} else {
usage(LocalizedStrings.AgentLauncher_NO_HELP_AVAILABLE_FOR_0.toLocalizedString(topic));
}
}
usage(LocalizedStrings.AgentLauncher_AGENT_HELP.toLocalizedString());
} else {
usage(LocalizedStrings.AgentLauncher_UNKNOWN_COMMAND_0.toLocalizedString(command));
}
} catch (Throwable t) {
Error err;
if (t instanceof Error && SystemFailure.isJVMFailureError(err = (Error) t)) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
}
SystemFailure.checkFailure();
t.printStackTrace();
System.err.println(
LocalizedStrings.AgentLauncher_ERROR_0.toLocalizedString(t.getLocalizedMessage()));
System.exit(1);
}
}
/**
* Bootstrap method to launch the GemFire JMX Agent process to monitor and manage a GemFire
* Distributed System/Cache. Main will read the arguments passed on the command line and dispatch
* the command to the appropriate handler.
*/
public static void main(final String[] args) {
if (args.length < 1) {
usage(LocalizedStrings.AgentLauncher_MISSING_COMMAND.toLocalizedString());
}
// TODO is this only needed on 'agent server'? 'agent {start|stop|status}' technically do no
// run any GemFire Cache
// or DS code inside the current process.
SystemFailure.loadEmergencyClasses();
final AgentLauncher launcher = new AgentLauncher("Agent");
launcher.run(args);
}
private Agent createAgent(final Properties props) throws IOException, AdminException {
DistributionManager.isDedicatedAdminVM = true;
SystemFailure.setExitOK(true);
final AgentConfigImpl config = createAgentConfig(props);
// see bug 43760
if (config.getLogFile() == null || "".equals(config.getLogFile().trim())) {
config.setLogFile(AgentConfigImpl.DEFAULT_LOG_FILE);
}
logger = config.getLogWriter();
OSProcess.redirectOutput(
new File(config.getLogFile())); // redirect output to the configured log file
return AgentFactory.getAgent(config);
}
/**
* Upon receipt of the message, both process the message and send an acknowledgement, not
* necessarily in that order. Note: Any hang in this message may cause a distributed deadlock for
* those threads waiting for an acknowledgement.
*
* @throws PartitionedRegionException if the region does not exist (typically, if it has been
* destroyed)
*/
@Override
public void process(final DistributionManager dm) {
Throwable thr = null;
boolean sendReply = true;
LocalRegion r = null;
long startTime = 0;
try {
if (checkCacheClosing(dm) || checkDSClosing(dm)) {
thr =
new CacheClosedException(
LocalizedStrings.PartitionMessage_REMOTE_CACHE_IS_CLOSED_0.toLocalizedString(
dm.getId()));
return;
}
GemFireCacheImpl gfc = (GemFireCacheImpl) CacheFactory.getInstance(dm.getSystem());
r = gfc.getRegionByPathForProcessing(this.regionPath);
if (r == null && failIfRegionMissing()) {
// if the distributed system is disconnecting, don't send a reply saying
// the partitioned region can't be found (bug 36585)
thr =
new RegionDestroyedException(
LocalizedStrings.RemoteOperationMessage_0_COULD_NOT_FIND_REGION_1.toLocalizedString(
new Object[] {dm.getDistributionManagerId(), regionPath}),
regionPath);
return; // reply sent in finally block below
}
thr = UNHANDLED_EXCEPTION;
// [bruce] r might be null here, so we have to go to the cache instance to get the txmgr
TXManagerImpl txMgr = GemFireCacheImpl.getInstance().getTxManager();
TXStateProxy tx = null;
try {
tx = txMgr.masqueradeAs(this);
sendReply = operateOnRegion(dm, r, startTime);
} finally {
txMgr.unmasquerade(tx);
}
thr = null;
} catch (RemoteOperationException fre) {
thr = fre;
} catch (DistributedSystemDisconnectedException se) {
// bug 37026: this is too noisy...
// throw new CacheClosedException("remote system shutting down");
// thr = se; cache is closed, no point trying to send a reply
thr = null;
sendReply = false;
if (logger.isDebugEnabled()) {
logger.debug("shutdown caught, abandoning message: {}", se.getMessage(), se);
}
} catch (RegionDestroyedException rde) {
// [bruce] RDE does not always mean that the sender's region is also
// destroyed, so we must send back an exception. If the sender's
// region is also destroyed, who cares if we send it an exception
// if (pr != null && pr.isClosed) {
thr =
new ForceReattemptException(
LocalizedStrings.PartitionMessage_REGION_IS_DESTROYED_IN_0.toLocalizedString(
dm.getDistributionManagerId()),
rde);
// }
} catch (VirtualMachineError err) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
} catch (Throwable t) {
// Whenever you catch Error or Throwable, you must also
// catch VirtualMachineError (see above). However, there is
// _still_ a possibility that you are dealing with a cascading
// error condition, so you also need to check to see if the JVM
// is still usable:
SystemFailure.checkFailure();
// log the exception at fine level if there is no reply to the message
thr = null;
if (sendReply) {
if (!checkDSClosing(dm)) {
thr = t;
} else {
// don't pass arbitrary runtime exceptions and errors back if this
// cache/vm is closing
thr =
new ForceReattemptException(
LocalizedStrings.PartitionMessage_DISTRIBUTED_SYSTEM_IS_DISCONNECTING
.toLocalizedString());
}
}
if (logger.isTraceEnabled(LogMarker.DM) && (t instanceof RuntimeException)) {
logger.trace(LogMarker.DM, "Exception caught while processing message", t);
}
} finally {
if (sendReply) {
ReplyException rex = null;
if (thr != null) {
// don't transmit the exception if this message was to a listener
// and this listener is shutting down
rex = new ReplyException(thr);
}
// Send the reply if the operateOnPartitionedRegion returned true
sendReply(getSender(), this.processorId, dm, rex, r, startTime);
}
}
}
@Override
protected void process(DistributionManager dm) {
logger.trace(LogMarker.STATE_FLUSH_OP, "Processing {}", this);
if (dm.getDistributionManagerId().equals(relayRecipient)) {
// no need to send a relay request to this process - just send the
// ack back to the sender
StateStabilizedMessage ga = new StateStabilizedMessage();
ga.sendingMember = relayRecipient;
ga.setRecipient(this.getSender());
ga.setProcessorId(processorId);
dm.putOutgoing(ga);
} else {
// 1) wait for all messages based on the membership version (or older)
// at which the sender "joined" this region to be put on the pipe
// 2) record the state of all communication channels from this process
// to the relay point
// 3) send a stabilization message to the relay point that holds the
// communication channel state information
StateStabilizationMessage gr = new StateStabilizationMessage();
gr.setRecipient((InternalDistributedMember) relayRecipient);
gr.requestingMember = this.getSender();
gr.processorId = processorId;
try {
Set<DistributedRegion> regions;
if (this.allRegions) {
regions = getAllRegions(dm);
} else {
regions = Collections.singleton(this.getRegion(dm));
}
for (DistributedRegion r : regions) {
if (r == null) {
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.trace(LogMarker.DM, "Region not found - skipping channel state assessment");
}
}
if (r != null) {
if (this.allRegions && r.doesNotDistribute()) {
// no need to flush a region that does no distribution
continue;
}
boolean initialized = r.isInitialized();
if (initialized) {
if (this.flushNewOps) {
r.getDistributionAdvisor()
.forceNewMembershipVersion(); // force a new "view" so we can track current
// ops
}
try {
r.getDistributionAdvisor().waitForCurrentOperations();
} catch (RegionDestroyedException e) {
// continue with the next region
}
}
boolean useMulticast =
r.getMulticastEnabled() && r.getSystem().getConfig().getMcastPort() != 0;
if (initialized) {
Map channelStates =
dm.getMembershipManager().getMessageState(relayRecipient, useMulticast);
if (gr.channelState != null) {
gr.channelState.putAll(channelStates);
} else {
gr.channelState = channelStates;
}
if (logger.isTraceEnabled(LogMarker.STATE_FLUSH_OP)
&& ((gr.channelState != null) && (gr.channelState.size() > 0))) {
logger.trace(
LogMarker.STATE_FLUSH_OP,
"channel states: {}",
gr.channelStateDescription(gr.channelState));
}
}
}
}
} catch (CancelException cce) {
// cache is closed - no distribution advisor available for the region so nothing to do but
// send the stabilization message
} catch (Exception e) {
logger.fatal(
LocalizedMessage.create(
LocalizedStrings
.StateFlushOperation_0__EXCEPTION_CAUGHT_WHILE_DETERMINING_CHANNEL_STATE,
this),
e);
} catch (ThreadDeath td) {
throw td;
} catch (VirtualMachineError err) {
SystemFailure.initiateFailure(err);
// If this ever returns, rethrow the error. We're poisoned
// now, so don't let this thread continue.
throw err;
} catch (Throwable t) {
// Whenever you catch Error or Throwable, you must also
// catch VirtualMachineError (see above). However, there is
// _still_ a possibility that you are dealing with a cascading
// error condition, so you also need to check to see if the JVM
// is still usable:
SystemFailure.checkFailure();
logger.fatal(
LocalizedMessage.create(
LocalizedStrings
.StateFlushOperation_0__THROWABLE_CAUGHT_WHILE_DETERMINING_CHANNEL_STATE,
this),
t);
} finally {
if (logger.isTraceEnabled(LogMarker.STATE_FLUSH_OP)) {
logger.trace(LogMarker.STATE_FLUSH_OP, "Sending {}", gr);
}
dm.putOutgoing(gr);
}
}
}