Michele Santuari | 4b6019e | 2014-12-19 11:31:45 +0100 | [diff] [blame^] | 1 | package org.onosproject.net.intent; |
| 2 | |
| 3 | import static com.google.common.base.Preconditions.checkNotNull; |
| 4 | |
| 5 | import java.util.Collections; |
| 6 | import java.util.List; |
| 7 | import java.util.Optional; |
| 8 | |
| 9 | |
| 10 | import org.onlab.packet.MplsLabel; |
| 11 | import org.onosproject.core.ApplicationId; |
| 12 | import org.onosproject.net.Path; |
| 13 | import org.onosproject.net.flow.TrafficSelector; |
| 14 | import org.onosproject.net.flow.TrafficTreatment; |
| 15 | |
| 16 | |
| 17 | /** |
| 18 | * Abstraction of explicit MPLS label-switched path. |
| 19 | */ |
| 20 | |
| 21 | public class MplsPathIntent extends PathIntent { |
| 22 | |
| 23 | private Optional<MplsLabel> ingressLabel; |
| 24 | private Optional<MplsLabel> egressLabel; |
| 25 | |
| 26 | /** |
| 27 | * Creates a new point-to-point intent with the supplied ingress/egress |
| 28 | * ports and using the specified explicit path. |
| 29 | * |
| 30 | * @param appId application identifier |
| 31 | * @param selector traffic selector |
| 32 | * @param treatment treatment |
| 33 | * @param path traversed links |
| 34 | * @param ingressLabel MPLS egress label |
| 35 | * @param egressLabel MPLS ingress label |
| 36 | * @throws NullPointerException {@code path} is null |
| 37 | */ |
| 38 | public MplsPathIntent(ApplicationId appId, TrafficSelector selector, |
| 39 | TrafficTreatment treatment, Path path, Optional<MplsLabel> ingressLabel, |
| 40 | Optional<MplsLabel> egressLabel) { |
| 41 | this(appId, selector, treatment, path, ingressLabel, egressLabel, |
| 42 | Collections.emptyList()); |
| 43 | |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Creates a new point-to-point intent with the supplied ingress/egress |
| 48 | * ports and using the specified explicit path. |
| 49 | * |
| 50 | * @param appId application identifier |
| 51 | * @param selector traffic selector |
| 52 | * @param treatment treatment |
| 53 | * @param path traversed links |
| 54 | * @param ingressLabel MPLS egress label |
| 55 | * @param egressLabel MPLS ingress label |
| 56 | * @param constraints optional list of constraints |
| 57 | * @throws NullPointerException {@code path} is null |
| 58 | */ |
| 59 | public MplsPathIntent(ApplicationId appId, TrafficSelector selector, |
| 60 | TrafficTreatment treatment, Path path, Optional<MplsLabel> ingressLabel, |
| 61 | Optional<MplsLabel> egressLabel, List<Constraint> constraints) { |
| 62 | super(appId, selector, treatment, path, constraints); |
| 63 | |
| 64 | checkNotNull(ingressLabel); |
| 65 | checkNotNull(egressLabel); |
| 66 | this.ingressLabel = ingressLabel; |
| 67 | this.egressLabel = egressLabel; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Returns the MPLS label which the ingress traffic should tagged. |
| 72 | * |
| 73 | * @return ingress MPLS label |
| 74 | */ |
| 75 | public Optional<MplsLabel> ingressLabel() { |
| 76 | return ingressLabel; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Returns the MPLS label which the egress traffic should tagged. |
| 81 | * |
| 82 | * @return egress MPLS label |
| 83 | */ |
| 84 | public Optional<MplsLabel> egressLabel() { |
| 85 | return egressLabel; |
| 86 | } |
| 87 | |
| 88 | } |