@Override
public synchronized void succeeded(final BaseSendableGet succeeded, boolean persistent) {
if (persistent) {
try {
jobRunner.queue(
new DBJob() {
@Override
public boolean run(ObjectContainer container, ClientContext context) {
if (container.ext().isActive(succeeded))
Logger.error(this, "ALREADY ACTIVE in succeeded(): " + succeeded);
container.activate(succeeded, 1);
schedCore.succeeded(succeeded, container);
container.deactivate(succeeded, 1);
return false;
}
@Override
public String toString() {
return "BaseSendableGet succeeded";
}
},
TRIP_PENDING_PRIORITY,
false);
} catch (DatabaseDisabledException e) {
Logger.error(
this,
"succeeded() on a persistent request but database disabled",
new Exception("error"));
}
// Boost the priority so the PersistentChosenRequest gets deleted reasonably quickly.
} else schedTransient.succeeded(succeeded, null);
}
/**
* Register a group of requests (not inserts): a GotKeyListener and/or one or more SendableGet's.
*
* @param listener Listens for specific keys. Can be null if the listener is already registered
* i.e. on retrying.
* @param getters The actual requests to register to the request sender queue.
* @param persistent True if the request is persistent.
* @param onDatabaseThread True if we are running on the database thread. NOTE:
* delayedStoreCheck/probablyNotInStore is unnecessary because we only register the listener
* once.
* @throws FetchException
*/
public void register(
final HasKeyListener hasListener,
final SendableGet[] getters,
final boolean persistent,
ObjectContainer container,
final BlockSet blocks,
final boolean noCheckStore)
throws KeyListenerConstructionException {
if (logMINOR) Logger.minor(this, "register(" + persistent + "," + hasListener + "," + getters);
if (isInsertScheduler) {
IllegalStateException e = new IllegalStateException("finishRegister on an insert scheduler");
throw e;
}
if (persistent) {
innerRegister(hasListener, getters, blocks, noCheckStore, container);
} else {
final KeyListener listener;
if (hasListener != null) {
listener = hasListener.makeKeyListener(container, clientContext, false);
if (listener != null) schedTransient.addPendingKeys(listener);
else Logger.normal(this, "No KeyListener for " + hasListener);
} else listener = null;
if (getters != null && !noCheckStore) {
for (SendableGet getter : getters) datastoreChecker.queueTransientRequest(getter, blocks);
} else {
boolean anyValid = false;
for (int i = 0; i < getters.length; i++) {
if (!(getters[i].isCancelled(null)
|| getters[i].getCooldownTime(container, clientContext, System.currentTimeMillis())
!= 0)) anyValid = true;
}
finishRegister(getters, false, container, anyValid, null);
}
}
}
public void reregisterAll(
final ClientRequester request, ObjectContainer container, short oldPrio) {
schedTransient.reregisterAll(request, random, this, null, clientContext, oldPrio);
if (schedCore != null)
schedCore.reregisterAll(request, random, this, container, clientContext, oldPrio);
starter.wakeUp();
}
public void registerInsert(
final SendableRequest req, boolean persistent, boolean regmeOnly, ObjectContainer container) {
if (!isInsertScheduler)
throw new IllegalArgumentException("Adding a SendableInsert to a request scheduler!!");
if (persistent) {
if (regmeOnly) {
long bootID = 0;
boolean queueFull = jobRunner.getQueueSize(NativeThread.NORM_PRIORITY) >= QUEUE_THRESHOLD;
if (!queueFull) bootID = this.node.bootID;
final RegisterMe regme =
new RegisterMe(req, req.getPriorityClass(container), schedCore, null, bootID);
container.store(regme);
if (logMINOR) Logger.minor(this, "Added insert RegisterMe: " + regme);
if (!queueFull) {
try {
jobRunner.queue(
new DBJob() {
@Override
public boolean run(ObjectContainer container, ClientContext context) {
container.delete(regme);
if (req.isCancelled(container)) {
if (logMINOR) Logger.minor(this, "Request already cancelled");
return false;
}
if (container.ext().isActive(req))
Logger.error(this, "ALREADY ACTIVE: " + req + " in delayed insert register");
container.activate(req, 1);
registerInsert(req, true, false, container);
container.deactivate(req, 1);
return true;
}
@Override
public String toString() {
return "registerInsert";
}
},
NativeThread.NORM_PRIORITY,
false);
} catch (DatabaseDisabledException e) {
// Impossible, we are already on the database thread.
}
} else {
schedCore.rerunRegisterMeRunner(jobRunner);
}
container.deactivate(req, 1);
return;
}
schedCore.innerRegister(req, random, container, clientContext, null);
starter.wakeUp();
} else {
schedTransient.innerRegister(req, random, null, clientContext, null);
starter.wakeUp();
}
}
public void removeFromAllRequestsByClientRequest(
ClientRequester clientRequest,
SendableRequest get,
boolean dontComplain,
ObjectContainer container) {
if (get.persistent())
schedCore.removeFromAllRequestsByClientRequest(get, clientRequest, dontComplain, container);
else
schedTransient.removeFromAllRequestsByClientRequest(get, clientRequest, dontComplain, null);
}
public void tripPendingKey(final KeyBlock block) {
if (logMINOR) Logger.minor(this, "tripPendingKey(" + block.getKey() + ")");
if (offeredKeys != null) {
offeredKeys.remove(block.getKey());
}
final Key key = block.getKey();
if (schedTransient.anyProbablyWantKey(key, clientContext)) {
this.clientContext.mainExecutor.execute(
new PrioRunnable() {
@Override
public void run() {
schedTransient.tripPendingKey(key, block, null, clientContext);
}
@Override
public int getPriority() {
return TRIP_PENDING_PRIORITY;
}
},
"Trip pending key (transient)");
}
if (schedCore == null) return;
if (schedCore.anyProbablyWantKey(key, clientContext)) {
try {
jobRunner.queue(
new DBJob() {
@Override
public boolean run(ObjectContainer container, ClientContext context) {
if (logMINOR) Logger.minor(this, "tripPendingKey for " + key);
if (schedCore.tripPendingKey(key, block, container, clientContext))
context.jobRunner.setCommitSoon();
return false;
}
@Override
public String toString() {
return "tripPendingKey";
}
},
TRIP_PENDING_PRIORITY,
false);
} catch (DatabaseDisabledException e) {
// Nothing to do
}
} else schedCore.countNegative();
}
private void restoreKey(Key key, ObjectContainer container, long now) {
SendableGet[] reqs =
container == null
? null
: (schedCore == null ? null : schedCore.requestsForKey(key, container, clientContext));
SendableGet[] transientReqs = schedTransient.requestsForKey(key, container, clientContext);
if (reqs == null && transientReqs == null) {
// Not an error as this can happen due to race conditions etc.
if (logMINOR) Logger.minor(this, "Restoring key but no keys queued?? for " + key);
}
if (reqs != null) {
for (int i = 0; i < reqs.length; i++) {
// Requests may or may not be returned activated from requestsForKey(), so don't check
// But do deactivate them once we're done with them.
container.activate(reqs[i], 1);
reqs[i].requeueAfterCooldown(key, now, container, clientContext);
container.deactivate(reqs[i], 1);
}
}
if (transientReqs != null) {
for (int i = 0; i < transientReqs.length; i++)
transientReqs[i].requeueAfterCooldown(key, now, container, clientContext);
}
}
/**
* Remove a KeyListener from the list of KeyListeners.
*
* @param getter
* @param complain
*/
public void removePendingKeys(HasKeyListener getter, boolean complain) {
boolean found = schedTransient.removePendingKeys(getter);
if (schedCore != null) found |= schedCore.removePendingKeys(getter);
if (complain && !found) Logger.error(this, "Listener not found when removing: " + getter);
}
void finishRegister(
final SendableGet[] getters,
boolean persistent,
ObjectContainer container,
final boolean anyValid,
final DatastoreCheckerItem reg) {
if (logMINOR)
Logger.minor(
this,
"finishRegister for "
+ getters
+ " anyValid="
+ anyValid
+ " reg="
+ reg
+ " persistent="
+ persistent);
if (isInsertScheduler) {
IllegalStateException e = new IllegalStateException("finishRegister on an insert scheduler");
for (int i = 0; i < getters.length; i++) {
if (persistent) container.activate(getters[i], 1);
getters[i].internalError(e, this, container, clientContext, persistent);
if (persistent) container.deactivate(getters[i], 1);
}
throw e;
}
if (persistent) {
// Add to the persistent registration queue
if (!databaseExecutor.onThread()) {
throw new IllegalStateException("Not on database thread!");
}
if (persistent) container.activate(getters, 1);
if (logMINOR) Logger.minor(this, "finishRegister() for " + getters);
if (anyValid) {
boolean wereAnyValid = false;
for (int i = 0; i < getters.length; i++) {
SendableGet getter = getters[i];
container.activate(getter, 1);
// Just check isCancelled, we have already checked the cooldown.
if (!(getter.isCancelled(container))) {
wereAnyValid = true;
if (!getter.preRegister(container, clientContext, true)) {
schedCore.innerRegister(getter, random, container, clientContext, getters);
}
} else getter.preRegister(container, clientContext, false);
}
if (!wereAnyValid) {
Logger.normal(this, "No requests valid: " + getters);
}
} else {
Logger.normal(this, "No valid requests passed in: " + getters);
}
if (reg != null) container.delete(reg);
queueFillRequestStarterQueue(true);
} else {
// Register immediately.
for (int i = 0; i < getters.length; i++) {
if ((!anyValid) || getters[i].isCancelled(null)) {
getters[i].preRegister(container, clientContext, false);
continue;
} else {
if (getters[i].preRegister(container, clientContext, true)) continue;
}
if (!getters[i].isCancelled(null))
schedTransient.innerRegister(getters[i], random, null, clientContext, getters);
}
starter.wakeUp();
}
}
public byte[] saltKey(boolean persistent, Key key) {
return persistent ? schedCore.saltKey(key) : schedTransient.saltKey(key);
}
@Override
public long countTransientQueuedRequests() {
return schedTransient.countQueuedRequests(null, clientContext);
}
/* FIXME SECURITY When/if introduce tunneling or similar mechanism for starting requests
* at a distance this will need to be reconsidered. See the comments on the caller in
* RequestHandler (onAbort() handler). */
@Override
public boolean wantKey(Key key) {
if (schedTransient.anyProbablyWantKey(key, clientContext)) return true;
if (schedCore != null && schedCore.anyProbablyWantKey(key, clientContext)) return true;
return false;
}
