Examples with APP_INSTALLED org.onosproject.app.ApplicationEvent.Type.APP_INSTALLED used on opensource projects

Example 1 with APP_INSTALLED

use of org.onosproject.app.ApplicationEvent.Type.APP_INSTALLED in project onos by opennetworkinglab.

the class DistributedApplicationStore method fetchBits.

/**
 * Fetches the bits from the cluster peers.
 */
private void fetchBits(Application app, boolean delegateInstallation) {
    ControllerNode localNode = clusterService.getLocalNode();
    CountDownLatch latch = new CountDownLatch(1);
    // FIXME: send message with name & version to make sure we don't get served old bits
    log.info("Downloading bits for application {} for version : {}", app.id().name(), app.version());
    for (ControllerNode node : clusterService.getNodes()) {
        if (latch.getCount() == 0) {
            break;
        }
        if (node.equals(localNode)) {
            continue;
        }
        clusterCommunicator.sendAndReceive(app.id().name(), APP_BITS_REQUEST, s -> s.getBytes(Charsets.UTF_8), Function.identity(), node.id()).whenCompleteAsync((bits, error) -> {
            if (error == null && latch.getCount() > 0) {
                saveApplication(new ByteArrayInputStream(bits));
                log.info("Downloaded bits for application {} from node {}", app.id().name(), node.id());
                latch.countDown();
                if (delegateInstallation) {
                    if (log.isTraceEnabled()) {
                        log.trace("Delegate installation for {}", app.id());
                    }
                    notifyDelegate(new ApplicationEvent(APP_INSTALLED, app));
                }
            } else if (error != null) {
                log.warn("Unable to fetch bits for application {} from node {}", app.id().name(), node.id());
            }
        }, messageHandlingExecutor);
    }
    try {
        if (!latch.await(FETCH_TIMEOUT_MS, MILLISECONDS)) {
            log.warn("Unable to fetch bits for application {}", app.id().name());
        }
    } catch (InterruptedException e) {
        log.warn("Interrupted while fetching bits for application {}", app.id().name());
        Thread.currentThread().interrupt();
    }
}