| /* |
| * 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.onosproject.net.intent; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.ImmutableList; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.intent.constraint.LinkTypeConstraint; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Abstraction of end-station to end-station bidirectional connectivity. |
| */ |
| public final class HostToHostIntent extends ConnectivityIntent { |
| |
| private final HostId one; |
| private final HostId two; |
| |
| /** |
| * Creates a new host-to-host intent with the supplied host pair and no |
| * other traffic selection or treatment criteria. |
| * |
| * @param appId application identifier |
| * @param one first host |
| * @param two second host |
| * @throws NullPointerException if {@code one} or {@code two} is null. |
| */ |
| public HostToHostIntent(ApplicationId appId, HostId one, HostId two) { |
| this(appId, one, two, |
| DefaultTrafficSelector.emptySelector(), |
| DefaultTrafficTreatment.emptyTreatment(), |
| ImmutableList.of(new LinkTypeConstraint(false, Link.Type.OPTICAL)), |
| DEFAULT_INTENT_PRIORITY); |
| } |
| |
| /** |
| * Creates a new host-to-host intent with the supplied host pair. |
| * |
| * @param appId application identifier |
| * @param one first host |
| * @param two second host |
| * @param selector action |
| * @param treatment ingress port |
| * @throws NullPointerException if {@code one} or {@code two} is null. |
| */ |
| public HostToHostIntent(ApplicationId appId, HostId one, HostId two, |
| TrafficSelector selector, |
| TrafficTreatment treatment) { |
| this(appId, one, two, selector, treatment, |
| ImmutableList.of(new LinkTypeConstraint(false, Link.Type.OPTICAL)), |
| DEFAULT_INTENT_PRIORITY); |
| } |
| |
| /** |
| * Creates a new host-to-host intent with the supplied host pair. |
| * |
| * @param appId application identifier |
| * @param one first host |
| * @param two second host |
| * @param selector action |
| * @param treatment ingress port |
| * @param constraints optional prioritized list of path selection constraints |
| * @param priority priority to use for flows generated by this intent |
| * @throws NullPointerException if {@code one} or {@code two} is null. |
| */ |
| public HostToHostIntent(ApplicationId appId, HostId one, HostId two, |
| TrafficSelector selector, |
| TrafficTreatment treatment, |
| List<Constraint> constraints, |
| int priority) { |
| this(appId, null, one, two, selector, treatment, constraints, priority); |
| } |
| /** |
| * Creates a new host-to-host intent with the supplied host pair. |
| * |
| * @param appId application identifier |
| * @param key intent key |
| * @param one first host |
| * @param two second host |
| * @param selector action |
| * @param treatment ingress port |
| * @param constraints optional prioritized list of path selection constraints |
| * @param priority priority to use for flows generated by this intent |
| * @throws NullPointerException if {@code one} or {@code two} is null. |
| */ |
| public HostToHostIntent(ApplicationId appId, Key key, |
| HostId one, HostId two, |
| TrafficSelector selector, |
| TrafficTreatment treatment, |
| List<Constraint> constraints, |
| int priority) { |
| super(appId, key, Collections.emptyList(), selector, treatment, |
| constraints, priority); |
| |
| // TODO: consider whether the case one and two are same is allowed |
| this.one = checkNotNull(one); |
| this.two = checkNotNull(two); |
| |
| } |
| |
| private static HostId min(HostId one, HostId two) { |
| return one.hashCode() < two.hashCode() ? one : two; |
| } |
| |
| private static HostId max(HostId one, HostId two) { |
| return one.hashCode() >= two.hashCode() ? one : two; |
| } |
| |
| /** |
| * Returns identifier of the first host. |
| * |
| * @return first host identifier |
| */ |
| public HostId one() { |
| return one; |
| } |
| |
| /** |
| * Returns identifier of the second host. |
| * |
| * @return second host identifier |
| */ |
| public HostId two() { |
| return two; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("id", id()) |
| .add("key", key()) |
| .add("appId", appId()) |
| .add("priority", priority()) |
| .add("resources", resources()) |
| .add("selector", selector()) |
| .add("treatment", treatment()) |
| .add("constraints", constraints()) |
| .add("one", one) |
| .add("two", two) |
| .toString(); |
| } |
| |
| } |