Examples with GlobalConfigRetriedEvent com.couchbase.client.core.cnc.events.config.GlobalConfigRetriedEvent used on opensource projects

Example 1 with GlobalConfigRetriedEvent

use of com.couchbase.client.core.cnc.events.config.GlobalConfigRetriedEvent in project couchbase-jvm-clients by couchbase.

the class DefaultConfigurationProvider method loadAndRefreshGlobalConfig.

@Override
public Mono<Void> loadAndRefreshGlobalConfig() {
    return Mono.defer(() -> {
        if (!shutdown.get()) {
            globalConfigLoadInProgress = true;
            boolean tls = core.context().environment().securityConfig().tlsEnabled();
            int kvPort = tls ? DEFAULT_KV_TLS_PORT : DEFAULT_KV_PORT;
            final AtomicBoolean hasErrored = new AtomicBoolean();
            return Flux.range(1, Math.min(MAX_PARALLEL_LOADERS, currentSeedNodes().size())).flatMap(index -> Flux.fromIterable(currentSeedNodes()).take(Math.min(index, currentSeedNodes().size())).last().flatMap(seed -> {
                long start = System.nanoTime();
                if (!currentSeedNodes().contains(seed)) {
                    // node we are about to load is still part of the list.
                    return Mono.empty();
                }
                NodeIdentifier identifier = new NodeIdentifier(seed.address(), seed.clusterManagerPort().orElse(DEFAULT_MANAGER_PORT));
                return globalLoader.load(identifier, seed.kvPort().orElse(kvPort)).doOnError(throwable -> core.context().environment().eventBus().publish(new IndividualGlobalConfigLoadFailedEvent(Duration.ofNanos(System.nanoTime() - start), core.context(), throwable, seed.address())));
            }).retryWhen(Retry.from(companion -> companion.flatMap(rs -> {
                Throwable f = rs.failure();
                if (shutdown.get()) {
                    return Mono.error(new AlreadyShutdownException());
                }
                if (f instanceof UnsupportedConfigMechanismException) {
                    return Mono.error(Exceptions.propagate(f));
                }
                Duration delay = Duration.ofMillis(1);
                eventBus.publish(new GlobalConfigRetriedEvent(delay, core.context(), f));
                return Mono.just(rs.totalRetries()).delayElement(delay, core.context().environment().scheduler());
            }))).onErrorResume(throwable -> {
                if (hasErrored.compareAndSet(false, true)) {
                    return Mono.error(throwable);
                }
                return Mono.empty();
            })).take(1).switchIfEmpty(Mono.error(new ConfigException("Could not locate a single global configuration"))).map(ctx -> {
                proposeGlobalConfig(ctx);
                return ctx;
            }).then(globalRefresher.start()).doOnTerminate(() -> globalConfigLoadInProgress = false);
        } else {
            return Mono.error(new AlreadyShutdownException());
        }
    });
}