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Diffstat (limited to 'framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoIntentFilter.java')
| -rw-r--r-- | framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoIntentFilter.java | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoIntentFilter.java b/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoIntentFilter.java deleted file mode 100644 index 8372dede..00000000 --- a/framework/src/onos/web/gui/src/main/java/org/onosproject/ui/impl/topo/TopoIntentFilter.java +++ /dev/null @@ -1,274 +0,0 @@ -/* - * Copyright 2014-2015 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.onosproject.ui.impl.topo; - -import org.onosproject.net.ConnectPoint; -import org.onosproject.net.Device; -import org.onosproject.net.DeviceId; -import org.onosproject.net.Host; -import org.onosproject.net.HostId; -import org.onosproject.net.Link; -import org.onosproject.net.device.DeviceService; -import org.onosproject.net.flow.FlowRule; -import org.onosproject.net.host.HostService; -import org.onosproject.net.intent.FlowRuleIntent; -import org.onosproject.net.intent.HostToHostIntent; -import org.onosproject.net.intent.Intent; -import org.onosproject.net.intent.IntentService; -import org.onosproject.net.intent.LinkCollectionIntent; -import org.onosproject.net.intent.MultiPointToSinglePointIntent; -import org.onosproject.net.intent.OpticalConnectivityIntent; -import org.onosproject.net.intent.PathIntent; -import org.onosproject.net.intent.PointToPointIntent; -import org.onosproject.net.link.LinkService; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashSet; -import java.util.List; -import java.util.Objects; -import java.util.Set; - -import static org.onosproject.net.intent.IntentState.INSTALLED; - -/** - * Auxiliary facility to query the intent service based on the specified - * set of end-station hosts, edge points or infrastructure devices. - */ -public class TopoIntentFilter { - - private final IntentService intentService; - private final DeviceService deviceService; - private final HostService hostService; - private final LinkService linkService; - - /** - * Creates an intent filter. - * - * @param services service references bundle - */ - public TopoIntentFilter(ServicesBundle services) { - this.intentService = services.intentService(); - this.deviceService = services.deviceService(); - this.hostService = services.hostService(); - this.linkService = services.linkService(); - } - - /** - * Finds all path (host-to-host or point-to-point) intents that pertain - * to the given hosts and devices. - * - * @param hosts set of hosts to query by - * @param devices set of devices to query by - * @return set of intents that 'match' all hosts and devices given - */ - public List<Intent> findPathIntents(Set<Host> hosts, Set<Device> devices) { - // start with all intents - Iterable<Intent> sourceIntents = intentService.getIntents(); - - // Derive from this the set of edge connect points. - Set<ConnectPoint> edgePoints = getEdgePoints(hosts); - - // Iterate over all intents and produce a set that contains only those - // intents that target all selected hosts or derived edge connect points. - return getIntents(hosts, devices, edgePoints, sourceIntents); - } - - - // Produces a set of edge points from the specified set of hosts. - private Set<ConnectPoint> getEdgePoints(Set<Host> hosts) { - Set<ConnectPoint> edgePoints = new HashSet<>(); - for (Host host : hosts) { - edgePoints.add(host.location()); - } - return edgePoints; - } - - // Produces a list of intents that target all selected hosts, devices or connect points. - private List<Intent> getIntents(Set<Host> hosts, Set<Device> devices, - Set<ConnectPoint> edgePoints, - Iterable<Intent> sourceIntents) { - List<Intent> intents = new ArrayList<>(); - if (hosts.isEmpty() && devices.isEmpty()) { - return intents; - } - - Set<OpticalConnectivityIntent> opticalIntents = new HashSet<>(); - - // Search through all intents and see if they are relevant to our search. - for (Intent intent : sourceIntents) { - if (intentService.getIntentState(intent.key()) == INSTALLED) { - boolean isRelevant = false; - if (intent instanceof HostToHostIntent) { - isRelevant = isIntentRelevantToHosts((HostToHostIntent) intent, hosts) && - isIntentRelevantToDevices(intent, devices); - } else if (intent instanceof PointToPointIntent) { - isRelevant = isIntentRelevant((PointToPointIntent) intent, edgePoints) && - isIntentRelevantToDevices(intent, devices); - } else if (intent instanceof MultiPointToSinglePointIntent) { - isRelevant = isIntentRelevant((MultiPointToSinglePointIntent) intent, edgePoints) && - isIntentRelevantToDevices(intent, devices); - } else if (intent instanceof OpticalConnectivityIntent) { - opticalIntents.add((OpticalConnectivityIntent) intent); - } - // TODO: add other intents, e.g. SinglePointToMultiPointIntent - - if (isRelevant) { - intents.add(intent); - } - } - } - - // As a second pass, try to link up any optical intents with the - // packet-level ones. - for (OpticalConnectivityIntent intent : opticalIntents) { - if (isIntentRelevant(intent, intents) && - isIntentRelevantToDevices(intent, devices)) { - intents.add(intent); - } - } - return intents; - } - - // Indicates whether the specified intent involves all of the given hosts. - private boolean isIntentRelevantToHosts(HostToHostIntent intent, Iterable<Host> hosts) { - for (Host host : hosts) { - HostId id = host.id(); - // Bail if intent does not involve this host. - if (!id.equals(intent.one()) && !id.equals(intent.two())) { - return false; - } - } - return true; - } - - // Indicates whether the specified intent involves all of the given devices. - private boolean isIntentRelevantToDevices(Intent intent, Iterable<Device> devices) { - List<Intent> installables = intentService.getInstallableIntents(intent.key()); - for (Device device : devices) { - if (!isIntentRelevantToDevice(installables, device)) { - return false; - } - } - return true; - } - - // Indicates whether the specified intent involves the given device. - private boolean isIntentRelevantToDevice(List<Intent> installables, Device device) { - if (installables != null) { - for (Intent installable : installables) { - if (installable instanceof PathIntent) { - PathIntent pathIntent = (PathIntent) installable; - if (pathContainsDevice(pathIntent.path().links(), device.id())) { - return true; - } - } else if (installable instanceof FlowRuleIntent) { - FlowRuleIntent flowRuleIntent = (FlowRuleIntent) installable; - if (rulesContainDevice(flowRuleIntent.flowRules(), device.id())) { - return true; - } - } else if (installable instanceof LinkCollectionIntent) { - LinkCollectionIntent linksIntent = (LinkCollectionIntent) installable; - if (pathContainsDevice(linksIntent.links(), device.id())) { - return true; - } - } - } - } - return false; - } - - // Indicates whether the specified links involve the given device. - private boolean pathContainsDevice(Iterable<Link> links, DeviceId id) { - for (Link link : links) { - if (link.src().elementId().equals(id) || link.dst().elementId().equals(id)) { - return true; - } - } - return false; - } - - // Indicates whether the specified flow rules involvesthe given device. - private boolean rulesContainDevice(Collection<FlowRule> flowRules, DeviceId id) { - for (FlowRule rule : flowRules) { - if (rule.deviceId().equals(id)) { - return true; - } - } - return false; - } - - private boolean isIntentRelevant(PointToPointIntent intent, - Iterable<ConnectPoint> edgePoints) { - for (ConnectPoint point : edgePoints) { - // Bail if intent does not involve this edge point. - if (!point.equals(intent.egressPoint()) && - !point.equals(intent.ingressPoint())) { - return false; - } - } - return true; - } - - // Indicates whether the specified intent involves all of the given edge points. - private boolean isIntentRelevant(MultiPointToSinglePointIntent intent, - Iterable<ConnectPoint> edgePoints) { - for (ConnectPoint point : edgePoints) { - // Bail if intent does not involve this edge point. - if (!point.equals(intent.egressPoint()) && - !intent.ingressPoints().contains(point)) { - return false; - } - } - return true; - } - - // Indicates whether the specified intent involves all of the given edge points. - private boolean isIntentRelevant(OpticalConnectivityIntent opticalIntent, - Iterable<Intent> intents) { - Link ccSrc = getFirstLink(opticalIntent.getSrc(), false); - Link ccDst = getFirstLink(opticalIntent.getDst(), true); - if (ccSrc == null || ccDst == null) { - return false; - } - - for (Intent intent : intents) { - List<Intent> installables = intentService.getInstallableIntents(intent.key()); - for (Intent installable : installables) { - if (installable instanceof PathIntent) { - List<Link> links = ((PathIntent) installable).path().links(); - if (links.size() == 3) { - Link tunnel = links.get(1); - if (Objects.equals(tunnel.src(), ccSrc.src()) && - Objects.equals(tunnel.dst(), ccDst.dst())) { - return true; - } - } - } - } - } - return false; - } - - private Link getFirstLink(ConnectPoint point, boolean ingress) { - for (Link link : linkService.getLinks(point)) { - if (point.equals(ingress ? link.src() : link.dst())) { - return link; - } - } - return null; - } -} |