public Config getVBucketConfig() {
Bucket config = configurationProvider.getBucketConfiguration(bucket);
if (config == null) {
throw new ConfigurationException(
"Could not fetch valid configuration " + "from provided nodes. Stopping.");
} else if (config.isNotUpdating()) {
LOGGER.warning(
"Noticed bucket configuration to be disconnected, " + "will attempt to reconnect");
setConfigurationProvider(new ConfigurationProviderHTTP(storedBaseList, bucket, pass));
}
return configurationProvider.getBucketConfiguration(bucket).getConfig();
}
@Override
public AuthDescriptor getAuthDescriptor() {
if (!configurationProvider.getAnonymousAuthBucket().equals(bucket) && bucket != null) {
return new AuthDescriptor(new String[] {}, new PlainCallbackHandler(bucket, pass));
} else {
return null;
}
}
public void run() {
String threadNameBase = "Couchbase/Resubscriber (Status: ";
Thread.currentThread().setName(threadNameBase + "running)");
LOGGER.log(
Level.CONFIG,
"Resubscribing for {0} using base list {1}",
new Object[] {bucket, storedBaseList});
long reconnectAttempt = 0;
long backoffTime = 1000;
long maxWaitTime = 10000;
do {
try {
long waitTime = (reconnectAttempt++) * backoffTime;
if (reconnectAttempt >= 10) {
waitTime = maxWaitTime;
}
LOGGER.log(
Level.INFO,
"Reconnect attempt {0}, waiting {1}ms",
new Object[] {reconnectAttempt, waitTime});
Thread.sleep(waitTime);
ConfigurationProvider oldConfigProvider = getConfigurationProvider();
if (null != oldConfigProvider) {
oldConfigProvider.shutdown();
}
ConfigurationProvider newConfigProvider =
new ConfigurationProviderHTTP(storedBaseList, bucket, pass);
setConfigurationProvider(newConfigProvider);
newConfigProvider.subscribe(bucket, oldConfigProvider.getReconfigurable());
if (!doingResubscribe.compareAndSet(true, false)) {
LOGGER.log(Level.WARNING, "Could not reset from doing a resubscribe.");
}
} catch (Exception ex) {
LOGGER.log(Level.WARNING, "Resubscribe attempt failed: ", ex);
}
} while (doingResubscribe.get());
Thread.currentThread().setName(threadNameBase + "complete)");
}
protected void requestConfigReconnect(String bucketName, Reconfigurable rec) {
configurationProvider.markForResubscribe(bucketName, rec);
needsReconnect = true;
}