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Only wait in Roster's presence listener if loading

otherwhise skip waitUntilLoaded(). This introduces RosterState.

SMACK-681
This commit is contained in:
Florian Schmaus 2015-07-03 17:35:20 +02:00
parent 36d99ecab3
commit ae944d3546

View file

@ -145,9 +145,16 @@ public class Roster extends Manager {
*/
private final Object rosterListenersAndEntriesLock = new Object();
// The roster is marked as initialized when at least a single roster packet
// has been received and processed.
private boolean loaded = false;
private enum RosterState {
uninitialized,
loading,
loaded,
}
/**
* The current state of the roster.
*/
private RosterState rosterState = RosterState.uninitialized;
private final PresencePacketListener presencePacketListener = new PresencePacketListener();
@ -290,9 +297,11 @@ public class Roster extends Manager {
if (rosterStore != null && isRosterVersioningSupported()) {
packet.setVersion(rosterStore.getRosterVersion());
}
rosterState = RosterState.loading;
connection.sendIqWithResponseCallback(packet, new RosterResultListener(), new ExceptionCallback() {
@Override
public void processException(Exception exception) {
rosterState = RosterState.uninitialized;
LOGGER.log(Level.SEVERE, "Exception reloading roster" , exception);
}
});
@ -333,12 +342,12 @@ public class Roster extends Manager {
protected boolean waitUntilLoaded() throws InterruptedException {
long waitTime = connection().getPacketReplyTimeout();
long start = System.currentTimeMillis();
while (!loaded) {
while (!isLoaded()) {
if (waitTime <= 0) {
break;
}
synchronized (this) {
if (!loaded) {
if (!isLoaded()) {
wait(waitTime);
}
}
@ -356,7 +365,7 @@ public class Roster extends Manager {
* @since 4.1
*/
public boolean isLoaded() {
return loaded;
return rosterState == RosterState.loaded;
}
/**
@ -963,7 +972,7 @@ public class Roster extends Manager {
}
}
}
loaded = false;
rosterState = RosterState.uninitialized;
}
/**
@ -1177,15 +1186,16 @@ public class Roster extends Manager {
// Try to ensure that the roster is loaded when processing presence stanzas. While the
// presence listener is synchronous, the roster result listener is not, which means that
// the presence listener may be invoked with a not yet loaded roster.
boolean loaded;
try {
loaded = waitUntilLoaded();
if (rosterState == RosterState.loading) {
try {
waitUntilLoaded();
}
catch (InterruptedException e) {
LOGGER.log(Level.INFO, "Presence listener was interrupted", e);
}
}
catch (InterruptedException e) {
LOGGER.log(Level.INFO, "Presence listener was interrupted", e);
loaded = Roster.this.loaded;
}
if (loaded) {
if (!isLoaded()) {
LOGGER.warning("Roster not loaded while processing presence stanza");
}
final XMPPConnection connection = connection();
@ -1350,7 +1360,7 @@ public class Roster extends Manager {
}
}
loaded = true;
rosterState = RosterState.loaded;
synchronized (Roster.this) {
Roster.this.notifyAll();
}