Examples with Timestamp org.onosproject.store.Timestamp used on opensource projects

Example 16 with Timestamp

use of org.onosproject.store.Timestamp in project onos by opennetworkinglab.

the class GossipDeviceStore method updatePorts.

@Override
public synchronized List<DeviceEvent> updatePorts(ProviderId providerId, DeviceId deviceId, List<PortDescription> portDescriptions) {
    NodeId localNode = clusterService.getLocalNode().id();
    // TODO: It might be negligible, but this will have negative impact to topology discovery performance,
    // since it will trigger distributed store read.
    // Also, it'll probably be better if side-way communication happened on ConfigurationProvider, etc.
    // outside Device subsystem. so that we don't have to modify both Device and Link stores.
    // If we don't care much about topology performance, then it might be OK.
    NodeId deviceNode = mastershipService.getMasterFor(deviceId);
    // Process port update only if we're the master of the device,
    // otherwise signal the actual master.
    List<DeviceEvent> deviceEvents = null;
    if (localNode.equals(deviceNode)) {
        final Timestamp newTimestamp;
        try {
            newTimestamp = deviceClockService.getTimestamp(deviceId);
        } catch (IllegalStateException e) {
            log.info("Timestamp was not available for device {}", deviceId);
            log.debug("  discarding {}", portDescriptions);
            return Collections.emptyList();
        }
        log.debug("timestamp for {} {}", deviceId, newTimestamp);
        final Timestamped<List<PortDescription>> timestampedInput = new Timestamped<>(portDescriptions, newTimestamp);
        final Timestamped<List<PortDescription>> merged;
        final Map<ProviderId, DeviceDescriptions> device = getOrCreateDeviceDescriptionsMap(deviceId);
        synchronized (device) {
            deviceEvents = updatePortsInternal(providerId, deviceId, timestampedInput);
            final DeviceDescriptions descs = device.get(providerId);
            List<PortDescription> mergedList = FluentIterable.from(portDescriptions).transform(input -> descs.getPortDesc(input.portNumber()).value()).toList();
            merged = new Timestamped<>(mergedList, newTimestamp);
        }
        if (!deviceEvents.isEmpty()) {
            log.debug("Notifying peers of a ports update topology event for providerId: {} and deviceId: {}", providerId, deviceId);
            notifyPeers(new InternalPortEvent(providerId, deviceId, merged));
        }
    } else {
        return Collections.emptyList();
    }
    return deviceEvents;
}

Example 17 with Timestamp

use of org.onosproject.store.Timestamp in project onos by opennetworkinglab.

the class GossipDeviceStore method markOfflineInternal.

private DeviceEvent markOfflineInternal(DeviceId deviceId, Timestamp timestamp) {
    Map<ProviderId, DeviceDescriptions> providerDescs = getOrCreateDeviceDescriptionsMap(deviceId);
    // locking device
    synchronized (providerDescs) {
        // accept off-line if given timestamp is newer than
        // the latest Timestamp from Primary provider
        DeviceDescriptions primDescs = getPrimaryDescriptions(providerDescs);
        if (primDescs != null) {
            Timestamp lastTimestamp = primDescs.getLatestTimestamp();
            if (lastTimestamp == null) {
                lastTimestamp = deviceClockService.getTimestamp(deviceId);
            }
            if (timestamp.compareTo(lastTimestamp) <= 0) {
                // outdated event ignore
                return null;
            }
        }
        offline.put(deviceId, timestamp);
        Device device = devices.get(deviceId);
        if (device == null) {
            // Single Instance ONOS, device is removed from devices map and is null here but
            // must still be marked offline
            availableDevices.remove(deviceId);
            return null;
        }
        boolean removed = availableDevices.remove(deviceId);
        if (removed) {
            return new DeviceEvent(DEVICE_AVAILABILITY_CHANGED, device, null);
        }
        return null;
    }
}

Example 18 with Timestamp

use of org.onosproject.store.Timestamp in project onos by opennetworkinglab.

the class GossipDeviceStore method handleDeviceStatusChangeEvent.

private void handleDeviceStatusChangeEvent(InternalDeviceStatusChangeEvent event) {
    DeviceId deviceId = event.deviceId();
    Timestamp timestamp = event.timestamp();
    Boolean available = event.available();
    try {
        if (available) {
            notifyDelegateIfNotNull(markOnlineInternal(deviceId, timestamp));
        } else {
            notifyDelegateIfNotNull(markOfflineInternal(deviceId, timestamp));
        }
    } catch (Exception e) {
        log.warn("Exception thrown handling device status change event", e);
    }
}

Example 19 with Timestamp

use of org.onosproject.store.Timestamp in project onos by opennetworkinglab.

the class GossipDeviceStore method handleDeviceRemovedEvent.

private void handleDeviceRemovedEvent(InternalDeviceRemovedEvent event) {
    DeviceId deviceId = event.deviceId();
    Timestamp timestamp = event.timestamp();
    try {
        notifyDelegateIfNotNull(removeDeviceInternal(deviceId, timestamp));
    } catch (Exception e) {
        log.warn("Exception thrown handling device removed", e);
    }
}

Example 20 with Timestamp

use of org.onosproject.store.Timestamp in project onos by opennetworkinglab.

the class GossipDeviceStore method createAdvertisement.

private DeviceAntiEntropyAdvertisement createAdvertisement() {
    final NodeId self = clusterService.getLocalNode().id();
    final int numDevices = deviceDescs.size();
    Map<DeviceFragmentId, Timestamp> adDevices = new HashMap<>(numDevices);
    // random factor to minimize reallocation
    final int portsPerDevice = 8;
    Map<PortFragmentId, Timestamp> adPorts = new HashMap<>(numDevices * portsPerDevice);
    Map<DeviceId, Timestamp> adOffline = new HashMap<>(numDevices);
    deviceDescs.forEach((deviceId, devDescs) -> {
        // for each Device...
        synchronized (devDescs) {
            // send device offline timestamp
            Timestamp lOffline = this.offline.get(deviceId);
            if (lOffline != null) {
                adOffline.put(deviceId, lOffline);
            }
            for (Entry<ProviderId, DeviceDescriptions> prov : devDescs.entrySet()) {
                // for each Provider Descriptions...
                final ProviderId provId = prov.getKey();
                final DeviceDescriptions descs = prov.getValue();
                adDevices.put(new DeviceFragmentId(deviceId, provId), descs.getDeviceDesc().timestamp());
                for (Entry<PortNumber, Timestamped<PortDescription>> portDesc : descs.getPortDescs().entrySet()) {
                    final PortNumber number = portDesc.getKey();
                    adPorts.put(new PortFragmentId(deviceId, provId, number), portDesc.getValue().timestamp());
                }
            }
        }
    });
    return new DeviceAntiEntropyAdvertisement(self, adDevices, adPorts, adOffline);
}