| /* |
| * Copyright 2014 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onlab.onos.gui; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.onos.cluster.ClusterEvent; |
| import org.onlab.onos.cluster.ClusterService; |
| import org.onlab.onos.cluster.ControllerNode; |
| import org.onlab.onos.cluster.NodeId; |
| import org.onlab.onos.mastership.MastershipService; |
| import org.onlab.onos.net.Annotated; |
| import org.onlab.onos.net.Annotations; |
| import org.onlab.onos.net.ConnectPoint; |
| import org.onlab.onos.net.DefaultEdgeLink; |
| import org.onlab.onos.net.Device; |
| import org.onlab.onos.net.DeviceId; |
| import org.onlab.onos.net.EdgeLink; |
| import org.onlab.onos.net.Host; |
| import org.onlab.onos.net.HostId; |
| import org.onlab.onos.net.HostLocation; |
| import org.onlab.onos.net.Link; |
| import org.onlab.onos.net.PortNumber; |
| import org.onlab.onos.net.device.DeviceEvent; |
| import org.onlab.onos.net.device.DeviceService; |
| import org.onlab.onos.net.flow.FlowEntry; |
| import org.onlab.onos.net.flow.FlowRuleService; |
| import org.onlab.onos.net.flow.TrafficTreatment; |
| import org.onlab.onos.net.flow.instructions.Instruction; |
| import org.onlab.onos.net.flow.instructions.Instructions.OutputInstruction; |
| import org.onlab.onos.net.host.HostEvent; |
| import org.onlab.onos.net.host.HostService; |
| import org.onlab.onos.net.intent.Intent; |
| import org.onlab.onos.net.intent.IntentService; |
| import org.onlab.onos.net.intent.LinkCollectionIntent; |
| import org.onlab.onos.net.intent.OpticalConnectivityIntent; |
| import org.onlab.onos.net.intent.OpticalPathIntent; |
| import org.onlab.onos.net.intent.PathIntent; |
| import org.onlab.onos.net.link.LinkEvent; |
| import org.onlab.onos.net.link.LinkService; |
| import org.onlab.onos.net.provider.ProviderId; |
| import org.onlab.onos.net.statistic.Load; |
| import org.onlab.onos.net.statistic.StatisticService; |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onlab.packet.IpAddress; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.text.DecimalFormat; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Strings.isNullOrEmpty; |
| import static org.onlab.onos.cluster.ClusterEvent.Type.INSTANCE_ADDED; |
| import static org.onlab.onos.cluster.ClusterEvent.Type.INSTANCE_REMOVED; |
| import static org.onlab.onos.cluster.ControllerNode.State.ACTIVE; |
| import static org.onlab.onos.net.DeviceId.deviceId; |
| import static org.onlab.onos.net.HostId.hostId; |
| import static org.onlab.onos.net.PortNumber.P0; |
| import static org.onlab.onos.net.PortNumber.portNumber; |
| import static org.onlab.onos.net.device.DeviceEvent.Type.DEVICE_ADDED; |
| import static org.onlab.onos.net.device.DeviceEvent.Type.DEVICE_REMOVED; |
| import static org.onlab.onos.net.host.HostEvent.Type.HOST_ADDED; |
| import static org.onlab.onos.net.host.HostEvent.Type.HOST_REMOVED; |
| import static org.onlab.onos.net.link.LinkEvent.Type.LINK_ADDED; |
| import static org.onlab.onos.net.link.LinkEvent.Type.LINK_REMOVED; |
| |
| /** |
| * Facility for creating messages bound for the topology viewer. |
| */ |
| public abstract class TopologyViewMessages { |
| |
| protected static final Logger log = LoggerFactory.getLogger(TopologyViewMessages.class); |
| |
| private static final ProviderId PID = new ProviderId("core", "org.onlab.onos.core", true); |
| private static final String COMPACT = "%s/%s-%s/%s"; |
| |
| private static final double KB = 1024; |
| private static final double MB = 1024 * KB; |
| private static final double GB = 1024 * MB; |
| |
| private static final String GB_UNIT = "GB"; |
| private static final String MB_UNIT = "MB"; |
| private static final String KB_UNIT = "KB"; |
| private static final String B_UNIT = "B"; |
| |
| private static final String ANIMATED = "animated"; |
| |
| protected final ServiceDirectory directory; |
| protected final ClusterService clusterService; |
| protected final DeviceService deviceService; |
| protected final LinkService linkService; |
| protected final HostService hostService; |
| protected final MastershipService mastershipService; |
| protected final IntentService intentService; |
| protected final FlowRuleService flowService; |
| protected final StatisticService statService; |
| |
| protected final ObjectMapper mapper = new ObjectMapper(); |
| |
| // TODO: extract into an external & durable state; good enough for now and demo |
| private static Map<String, ObjectNode> metaUi = new ConcurrentHashMap<>(); |
| |
| /** |
| * Creates a messaging facility for creating messages for topology viewer. |
| * |
| * @param directory service directory |
| */ |
| protected TopologyViewMessages(ServiceDirectory directory) { |
| this.directory = checkNotNull(directory, "Directory cannot be null"); |
| clusterService = directory.get(ClusterService.class); |
| deviceService = directory.get(DeviceService.class); |
| linkService = directory.get(LinkService.class); |
| hostService = directory.get(HostService.class); |
| mastershipService = directory.get(MastershipService.class); |
| intentService = directory.get(IntentService.class); |
| flowService = directory.get(FlowRuleService.class); |
| statService = directory.get(StatisticService.class); |
| } |
| |
| // Retrieves the payload from the specified event. |
| protected ObjectNode payload(ObjectNode event) { |
| return (ObjectNode) event.path("payload"); |
| } |
| |
| // Returns the specified node property as a number |
| protected long number(ObjectNode node, String name) { |
| return node.path(name).asLong(); |
| } |
| |
| // Returns the specified node property as a string. |
| protected String string(ObjectNode node, String name) { |
| return node.path(name).asText(); |
| } |
| |
| // Returns the specified node property as a string. |
| protected String string(ObjectNode node, String name, String defaultValue) { |
| return node.path(name).asText(defaultValue); |
| } |
| |
| // Returns the specified set of IP addresses as a string. |
| private String ip(Set<IpAddress> ipAddresses) { |
| Iterator<IpAddress> it = ipAddresses.iterator(); |
| return it.hasNext() ? it.next().toString() : "unknown"; |
| } |
| |
| // Produces JSON structure from annotations. |
| private JsonNode props(Annotations annotations) { |
| ObjectNode props = mapper.createObjectNode(); |
| if (annotations != null) { |
| for (String key : annotations.keys()) { |
| props.put(key, annotations.value(key)); |
| } |
| } |
| return props; |
| } |
| |
| // Produces an informational log message event bound to the client. |
| protected ObjectNode info(long id, String message) { |
| return message("info", id, message); |
| } |
| |
| // Produces a warning log message event bound to the client. |
| protected ObjectNode warning(long id, String message) { |
| return message("warning", id, message); |
| } |
| |
| // Produces an error log message event bound to the client. |
| protected ObjectNode error(long id, String message) { |
| return message("error", id, message); |
| } |
| |
| // Produces a log message event bound to the client. |
| private ObjectNode message(String severity, long id, String message) { |
| return envelope("message", id, |
| mapper.createObjectNode() |
| .put("severity", severity) |
| .put("message", message)); |
| } |
| |
| // Puts the payload into an envelope and returns it. |
| protected ObjectNode envelope(String type, long sid, ObjectNode payload) { |
| ObjectNode event = mapper.createObjectNode(); |
| event.put("event", type); |
| if (sid > 0) { |
| event.put("sid", sid); |
| } |
| event.set("payload", payload); |
| return event; |
| } |
| |
| // Produces a set of all hosts listed in the specified JSON array. |
| protected Set<Host> getHosts(ArrayNode array) { |
| Set<Host> hosts = new HashSet<>(); |
| if (array != null) { |
| for (JsonNode node : array) { |
| try { |
| addHost(hosts, hostId(node.asText())); |
| } catch (IllegalArgumentException e) { |
| log.debug("Skipping ID {}", node.asText()); |
| } |
| } |
| } |
| return hosts; |
| } |
| |
| // Adds the specified host to the set of hosts. |
| private void addHost(Set<Host> hosts, HostId hostId) { |
| Host host = hostService.getHost(hostId); |
| if (host != null) { |
| hosts.add(host); |
| } |
| } |
| |
| |
| // Produces a set of all devices listed in the specified JSON array. |
| protected Set<Device> getDevices(ArrayNode array) { |
| Set<Device> devices = new HashSet<>(); |
| if (array != null) { |
| for (JsonNode node : array) { |
| try { |
| addDevice(devices, deviceId(node.asText())); |
| } catch (IllegalArgumentException e) { |
| log.debug("Skipping ID {}", node.asText()); |
| } |
| } |
| } |
| return devices; |
| } |
| |
| private void addDevice(Set<Device> devices, DeviceId deviceId) { |
| Device device = deviceService.getDevice(deviceId); |
| if (device != null) { |
| devices.add(device); |
| } |
| } |
| |
| protected void addHover(Set<Host> hosts, Set<Device> devices, String hover) { |
| try { |
| addHost(hosts, hostId(hover)); |
| } catch (IllegalArgumentException e) { |
| try { |
| addDevice(devices, deviceId(hover)); |
| } catch (IllegalArgumentException ne) { |
| log.debug("Skipping ID {}", hover); |
| } |
| } |
| } |
| |
| // Produces a cluster instance message to the client. |
| protected ObjectNode instanceMessage(ClusterEvent event) { |
| ControllerNode node = event.subject(); |
| ObjectNode payload = mapper.createObjectNode() |
| .put("id", node.id().toString()) |
| .put("online", clusterService.getState(node.id()) == ACTIVE) |
| .put("uiAttached", event.subject().equals(clusterService.getLocalNode())); |
| |
| ArrayNode labels = mapper.createArrayNode(); |
| labels.add(node.id().toString()); |
| labels.add(node.ip().toString()); |
| |
| // Add labels, props and stuff the payload into envelope. |
| payload.set("labels", labels); |
| addMetaUi(node.id().toString(), payload); |
| |
| String type = (event.type() == INSTANCE_ADDED) ? "addInstance" : |
| ((event.type() == INSTANCE_REMOVED) ? "removeInstance" : "updateInstance"); |
| return envelope(type, 0, payload); |
| } |
| |
| // Produces a device event message to the client. |
| protected ObjectNode deviceMessage(DeviceEvent event) { |
| Device device = event.subject(); |
| ObjectNode payload = mapper.createObjectNode() |
| .put("id", device.id().toString()) |
| .put("type", device.type().toString().toLowerCase()) |
| .put("online", deviceService.isAvailable(device.id())) |
| .put("master", master(device.id())); |
| |
| // Generate labels: id, chassis id, no-label, optional-name |
| String name = device.annotations().value("name"); |
| ArrayNode labels = mapper.createArrayNode(); |
| labels.add(isNullOrEmpty(name) ? device.id().toString() : name); |
| labels.add(device.id().toString()); |
| |
| // Add labels, props and stuff the payload into envelope. |
| payload.set("labels", labels); |
| payload.set("props", props(device.annotations())); |
| addGeoLocation(device, payload); |
| addMetaUi(device.id().toString(), payload); |
| |
| String type = (event.type() == DEVICE_ADDED) ? "addDevice" : |
| ((event.type() == DEVICE_REMOVED) ? "removeDevice" : "updateDevice"); |
| return envelope(type, 0, payload); |
| } |
| |
| // Produces a link event message to the client. |
| protected ObjectNode linkMessage(LinkEvent event) { |
| Link link = event.subject(); |
| ObjectNode payload = mapper.createObjectNode() |
| .put("id", compactLinkString(link)) |
| .put("type", link.type().toString().toLowerCase()) |
| .put("online", link.state() == Link.State.ACTIVE) |
| .put("linkWidth", 1.2) |
| .put("src", link.src().deviceId().toString()) |
| .put("srcPort", link.src().port().toString()) |
| .put("dst", link.dst().deviceId().toString()) |
| .put("dstPort", link.dst().port().toString()); |
| String type = (event.type() == LINK_ADDED) ? "addLink" : |
| ((event.type() == LINK_REMOVED) ? "removeLink" : "updateLink"); |
| return envelope(type, 0, payload); |
| } |
| |
| // Produces a host event message to the client. |
| protected ObjectNode hostMessage(HostEvent event) { |
| Host host = event.subject(); |
| String hostType = host.annotations().value("type"); |
| ObjectNode payload = mapper.createObjectNode() |
| .put("id", host.id().toString()) |
| .put("type", isNullOrEmpty(hostType) ? "endstation" : hostType) |
| .put("ingress", compactLinkString(edgeLink(host, true))) |
| .put("egress", compactLinkString(edgeLink(host, false))); |
| payload.set("cp", hostConnect(mapper, host.location())); |
| payload.set("labels", labels(mapper, ip(host.ipAddresses()), |
| host.mac().toString())); |
| payload.set("props", props(host.annotations())); |
| addGeoLocation(host, payload); |
| addMetaUi(host.id().toString(), payload); |
| |
| String type = (event.type() == HOST_ADDED) ? "addHost" : |
| ((event.type() == HOST_REMOVED) ? "removeHost" : "updateHost"); |
| return envelope(type, 0, payload); |
| } |
| |
| // Encodes the specified host location into a JSON object. |
| private ObjectNode hostConnect(ObjectMapper mapper, HostLocation location) { |
| return mapper.createObjectNode() |
| .put("device", location.deviceId().toString()) |
| .put("port", location.port().toLong()); |
| } |
| |
| // Encodes the specified list of labels a JSON array. |
| private ArrayNode labels(ObjectMapper mapper, String... labels) { |
| ArrayNode json = mapper.createArrayNode(); |
| for (String label : labels) { |
| json.add(label); |
| } |
| return json; |
| } |
| |
| // Returns the name of the master node for the specified device id. |
| private String master(DeviceId deviceId) { |
| NodeId master = mastershipService.getMasterFor(deviceId); |
| return master != null ? master.toString() : ""; |
| } |
| |
| // Generates an edge link from the specified host location. |
| private EdgeLink edgeLink(Host host, boolean ingress) { |
| return new DefaultEdgeLink(PID, new ConnectPoint(host.id(), portNumber(0)), |
| host.location(), ingress); |
| } |
| |
| // Adds meta UI information for the specified object. |
| private void addMetaUi(String id, ObjectNode payload) { |
| ObjectNode meta = metaUi.get(id); |
| if (meta != null) { |
| payload.set("metaUi", meta); |
| } |
| } |
| |
| // Adds a geo location JSON to the specified payload object. |
| private void addGeoLocation(Annotated annotated, ObjectNode payload) { |
| Annotations annotations = annotated.annotations(); |
| if (annotations == null) { |
| return; |
| } |
| |
| String slat = annotations.value("latitude"); |
| String slng = annotations.value("longitude"); |
| try { |
| if (slat != null && slng != null && !slat.isEmpty() && !slng.isEmpty()) { |
| double lat = Double.parseDouble(slat); |
| double lng = Double.parseDouble(slng); |
| ObjectNode loc = mapper.createObjectNode() |
| .put("type", "latlng").put("lat", lat).put("lng", lng); |
| payload.set("location", loc); |
| } |
| } catch (NumberFormatException e) { |
| log.warn("Invalid geo data latitude={}; longiture={}", slat, slng); |
| } |
| } |
| |
| // Updates meta UI information for the specified object. |
| protected void updateMetaUi(ObjectNode event) { |
| ObjectNode payload = payload(event); |
| metaUi.put(string(payload, "id"), (ObjectNode) payload.path("memento")); |
| } |
| |
| // Returns device details response. |
| protected ObjectNode deviceDetails(DeviceId deviceId, long sid) { |
| Device device = deviceService.getDevice(deviceId); |
| Annotations annot = device.annotations(); |
| String name = annot.value("name"); |
| int portCount = deviceService.getPorts(deviceId).size(); |
| int flowCount = getFlowCount(deviceId); |
| return envelope("showDetails", sid, |
| json(isNullOrEmpty(name) ? deviceId.toString() : name, |
| device.type().toString().toLowerCase(), |
| new Prop("URI", deviceId.toString()), |
| new Prop("Vendor", device.manufacturer()), |
| new Prop("H/W Version", device.hwVersion()), |
| new Prop("S/W Version", device.swVersion()), |
| new Prop("Serial Number", device.serialNumber()), |
| new Separator(), |
| new Prop("Latitude", annot.value("latitude")), |
| new Prop("Longitude", annot.value("longitude")), |
| new Prop("Ports", Integer.toString(portCount)), |
| new Prop("Flows", Integer.toString(flowCount)), |
| new Separator(), |
| new Prop("Master", master(deviceId)))); |
| } |
| |
| protected int getFlowCount(DeviceId deviceId) { |
| int count = 0; |
| Iterator<FlowEntry> it = flowService.getFlowEntries(deviceId).iterator(); |
| while (it.hasNext()) { |
| count++; |
| it.next(); |
| } |
| return count; |
| } |
| |
| // Counts all entries that egress on the given device links. |
| protected Map<Link, Integer> getFlowCounts(DeviceId deviceId) { |
| List<FlowEntry> entries = new ArrayList<>(); |
| Set<Link> links = new HashSet<>(linkService.getDeviceEgressLinks(deviceId)); |
| Set<Host> hosts = hostService.getConnectedHosts(deviceId); |
| Iterator<FlowEntry> it = flowService.getFlowEntries(deviceId).iterator(); |
| while (it.hasNext()) { |
| entries.add(it.next()); |
| } |
| |
| // Add all edge links to the set |
| if (hosts != null) { |
| for (Host host : hosts) { |
| links.add(new DefaultEdgeLink(host.providerId(), |
| new ConnectPoint(host.id(), P0), |
| host.location(), false)); |
| } |
| } |
| |
| Map<Link, Integer> counts = new HashMap<>(); |
| for (Link link : links) { |
| counts.put(link, getEgressFlows(link, entries)); |
| } |
| return counts; |
| } |
| |
| // Counts all entries that egress on the link source port. |
| private Integer getEgressFlows(Link link, List<FlowEntry> entries) { |
| int count = 0; |
| PortNumber out = link.src().port(); |
| for (FlowEntry entry : entries) { |
| TrafficTreatment treatment = entry.treatment(); |
| for (Instruction instruction : treatment.instructions()) { |
| if (instruction.type() == Instruction.Type.OUTPUT && |
| ((OutputInstruction) instruction).port().equals(out)) { |
| count++; |
| } |
| } |
| } |
| return count; |
| } |
| |
| |
| // Returns host details response. |
| protected ObjectNode hostDetails(HostId hostId, long sid) { |
| Host host = hostService.getHost(hostId); |
| Annotations annot = host.annotations(); |
| String type = annot.value("type"); |
| String name = annot.value("name"); |
| String vlan = host.vlan().toString(); |
| return envelope("showDetails", sid, |
| json(isNullOrEmpty(name) ? hostId.toString() : name, |
| isNullOrEmpty(type) ? "host" : type, |
| new Prop("MAC", host.mac().toString()), |
| new Prop("IP", host.ipAddresses().toString().replaceAll("[\\[\\]]", "")), |
| new Prop("VLAN", vlan.equals("-1") ? "none" : vlan), |
| new Separator(), |
| new Prop("Latitude", annot.value("latitude")), |
| new Prop("Longitude", annot.value("longitude")))); |
| } |
| |
| |
| // Produces JSON message to trigger traffic overview visualization |
| protected ObjectNode trafficSummaryMessage(long sid) { |
| ObjectNode payload = mapper.createObjectNode(); |
| ArrayNode paths = mapper.createArrayNode(); |
| payload.set("paths", paths); |
| for (Link link : linkService.getLinks()) { |
| Set<Link> links = new HashSet<>(); |
| links.add(link); |
| addPathTraffic(paths, "plain", "secondary", links); |
| } |
| return envelope("showTraffic", sid, payload); |
| } |
| |
| // Produces JSON message to trigger flow overview visualization |
| protected ObjectNode flowSummaryMessage(long sid, Set<Device> devices) { |
| ObjectNode payload = mapper.createObjectNode(); |
| ArrayNode paths = mapper.createArrayNode(); |
| payload.set("paths", paths); |
| |
| for (Device device : devices) { |
| Map<Link, Integer> counts = getFlowCounts(device.id()); |
| for (Link link : counts.keySet()) { |
| addLinkFlows(link, paths, counts.get(link)); |
| } |
| } |
| return envelope("showTraffic", sid, payload); |
| } |
| |
| private void addLinkFlows(Link link, ArrayNode paths, Integer count) { |
| ObjectNode pathNode = mapper.createObjectNode(); |
| ArrayNode linksNode = mapper.createArrayNode(); |
| ArrayNode labels = mapper.createArrayNode(); |
| boolean noFlows = count == null || count == 0; |
| pathNode.put("class", noFlows ? "secondary" : "primary"); |
| pathNode.put("traffic", false); |
| pathNode.set("links", linksNode.add(compactLinkString(link))); |
| pathNode.set("labels", labels.add(noFlows ? "" : (count.toString() + |
| (count == 1 ? " flow" : " flows")))); |
| paths.add(pathNode); |
| } |
| |
| |
| // Produces JSON message to trigger traffic visualization |
| protected ObjectNode trafficMessage(long sid, TrafficClass... trafficClasses) { |
| ObjectNode payload = mapper.createObjectNode(); |
| ArrayNode paths = mapper.createArrayNode(); |
| payload.set("paths", paths); |
| |
| for (TrafficClass trafficClass : trafficClasses) { |
| for (Intent intent : trafficClass.intents) { |
| boolean isOptical = intent instanceof OpticalConnectivityIntent; |
| List<Intent> installables = intentService.getInstallableIntents(intent.id()); |
| if (installables != null) { |
| for (Intent installable : installables) { |
| String cls = isOptical ? trafficClass.type + " optical" : trafficClass.type; |
| if (installable instanceof PathIntent) { |
| addPathTraffic(paths, cls, ANIMATED, |
| ((PathIntent) installable).path().links()); |
| } else if (installable instanceof LinkCollectionIntent) { |
| addPathTraffic(paths, cls, ANIMATED, |
| ((LinkCollectionIntent) installable).links()); |
| } else if (installable instanceof OpticalPathIntent) { |
| addPathTraffic(paths, cls, ANIMATED, |
| ((OpticalPathIntent) installable).path().links()); |
| } |
| |
| } |
| } |
| } |
| } |
| |
| return envelope("showTraffic", sid, payload); |
| } |
| |
| // Adds the link segments (path or tree) associated with the specified |
| // connectivity intent |
| protected void addPathTraffic(ArrayNode paths, String type, String trafficType, |
| Iterable<Link> links) { |
| ObjectNode pathNode = mapper.createObjectNode(); |
| ArrayNode linksNode = mapper.createArrayNode(); |
| |
| if (links != null) { |
| ArrayNode labels = mapper.createArrayNode(); |
| boolean hasTraffic = false; |
| for (Link link : links) { |
| if (isInfrastructureEgress(link)) { |
| linksNode.add(compactLinkString(link)); |
| Load load = statService.load(link); |
| String label = ""; |
| if (load.rate() > 0) { |
| hasTraffic = true; |
| label = format(load); |
| } |
| labels.add(label); |
| } |
| } |
| pathNode.put("class", hasTraffic ? type + " " + trafficType : type); |
| pathNode.put("traffic", hasTraffic); |
| pathNode.set("links", linksNode); |
| pathNode.set("labels", labels); |
| paths.add(pathNode); |
| } |
| } |
| |
| // Poor-mans formatting to get the labels with byte counts looking nice. |
| private String format(Load load) { |
| long bytes = load.latest(); |
| String unit; |
| double value; |
| if (bytes > GB) { |
| value = bytes / GB; |
| unit = GB_UNIT; |
| } else if (bytes > MB) { |
| value = bytes / MB; |
| unit = MB_UNIT; |
| } else if (bytes > KB) { |
| value = bytes / KB; |
| unit = KB_UNIT; |
| } else { |
| value = bytes; |
| unit = B_UNIT; |
| } |
| DecimalFormat format = new DecimalFormat("#,###.##"); |
| return format.format(value) + " " + unit; |
| } |
| |
| private boolean isInfrastructureEgress(Link link) { |
| return link.src().elementId() instanceof DeviceId; |
| } |
| |
| // Produces compact string representation of a link. |
| private static String compactLinkString(Link link) { |
| return String.format(COMPACT, link.src().elementId(), link.src().port(), |
| link.dst().elementId(), link.dst().port()); |
| } |
| |
| // Produces JSON property details. |
| private ObjectNode json(String id, String type, Prop... props) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ObjectNode result = mapper.createObjectNode() |
| .put("id", id).put("type", type); |
| ObjectNode pnode = mapper.createObjectNode(); |
| ArrayNode porder = mapper.createArrayNode(); |
| for (Prop p : props) { |
| porder.add(p.key); |
| pnode.put(p.key, p.value); |
| } |
| result.set("propOrder", porder); |
| result.set("props", pnode); |
| return result; |
| } |
| |
| // Auxiliary key/value carrier. |
| private class Prop { |
| public final String key; |
| public final String value; |
| |
| protected Prop(String key, String value) { |
| this.key = key; |
| this.value = value; |
| } |
| } |
| |
| // Auxiliary properties separator |
| private class Separator extends Prop { |
| protected Separator() { |
| super("-", ""); |
| } |
| } |
| |
| // Auxiliary carrier of data for requesting traffic message. |
| protected class TrafficClass { |
| public final String type; |
| public final Set<Intent> intents; |
| |
| TrafficClass(String type, Set<Intent> intents) { |
| this.type = type; |
| this.intents = intents; |
| } |
| } |
| |
| } |