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.checkArgument; |
| 4 | import static com.google.common.base.Preconditions.checkNotNull; |
| 5 | |
| 6 | import java.util.Collections; |
| 7 | import java.util.List; |
| 8 | import java.util.Optional; |
| 9 | |
| 10 | import org.onlab.packet.MplsLabel; |
| 11 | import org.onosproject.core.ApplicationId; |
| 12 | import org.onosproject.net.ConnectPoint; |
| 13 | import org.onosproject.net.Link; |
| 14 | import org.onosproject.net.flow.TrafficSelector; |
| 15 | import org.onosproject.net.flow.TrafficTreatment; |
| 16 | import org.onosproject.net.intent.constraint.LinkTypeConstraint; |
| 17 | |
| 18 | import com.google.common.base.MoreObjects; |
| 19 | import com.google.common.collect.ImmutableList; |
| 20 | |
| 21 | |
| 22 | /** |
| 23 | * Abstraction of MPLS label-switched connectivity. |
| 24 | */ |
| 25 | public class MplsIntent extends ConnectivityIntent { |
| 26 | |
| 27 | private final ConnectPoint ingressPoint; |
| 28 | private final Optional<MplsLabel> ingressLabel; |
| 29 | private final ConnectPoint egressPoint; |
| 30 | private final Optional<MplsLabel> egressLabel; |
| 31 | |
| 32 | /** |
| 33 | * Creates a new MPLS intent with the supplied ingress/egress |
| 34 | * ports and labels and with built-in link type constraint to avoid optical links. |
| 35 | * |
| 36 | * @param appId application identifier |
| 37 | * @param selector traffic selector |
| 38 | * @param treatment treatment |
| 39 | * @param ingressPoint ingress port |
| 40 | * @param ingressLabel ingress MPLS label |
| 41 | * @param egressPoint egress port |
| 42 | * @param egressLabel egress MPLS label |
| 43 | * @throws NullPointerException if {@code ingressPoint} or {@code egressPoints} is null. |
| 44 | */ |
| 45 | public MplsIntent(ApplicationId appId, TrafficSelector selector, |
| 46 | TrafficTreatment treatment, |
| 47 | ConnectPoint ingressPoint, |
| 48 | Optional<MplsLabel> ingressLabel, |
| 49 | ConnectPoint egressPoint, |
| 50 | Optional<MplsLabel> egressLabel) { |
| 51 | this(appId, selector, treatment, ingressPoint, ingressLabel, egressPoint, egressLabel, |
| 52 | ImmutableList.of(new LinkTypeConstraint(false, Link.Type.OPTICAL))); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Creates a new point-to-point intent with the supplied ingress/egress |
| 57 | * ports, labels and constraints. |
| 58 | * |
| 59 | * @param appId application identifier |
| 60 | * @param selector traffic selector |
| 61 | * @param treatment treatment |
| 62 | * @param ingressPoint ingress port |
| 63 | * @param ingressLabel ingress MPLS label |
| 64 | * @param egressPoint egress port |
| 65 | * @param egressLabel egress MPLS label |
| 66 | * @param constraints optional list of constraints |
| 67 | * @throws NullPointerException if {@code ingressPoint} or {@code egressPoints} is null. |
| 68 | */ |
| 69 | public MplsIntent(ApplicationId appId, TrafficSelector selector, |
| 70 | TrafficTreatment treatment, |
| 71 | ConnectPoint ingressPoint, |
| 72 | Optional<MplsLabel> ingressLabel, |
| 73 | ConnectPoint egressPoint, |
| 74 | Optional<MplsLabel> egressLabel, |
| 75 | List<Constraint> constraints) { |
| 76 | |
| 77 | super(appId, Collections.emptyList(), selector, treatment, constraints); |
| 78 | |
| 79 | checkNotNull(ingressPoint); |
| 80 | checkNotNull(egressPoint); |
| 81 | checkArgument(!ingressPoint.equals(egressPoint), |
| 82 | "ingress and egress should be different (ingress: %s, egress: %s)", ingressPoint, egressPoint); |
| 83 | checkNotNull(ingressLabel); |
| 84 | checkNotNull(egressLabel); |
| 85 | this.ingressPoint = ingressPoint; |
| 86 | this.ingressLabel = ingressLabel; |
| 87 | this.egressPoint = egressPoint; |
| 88 | this.egressLabel = egressLabel; |
| 89 | |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Constructor for serializer. |
| 94 | */ |
| 95 | protected MplsIntent() { |
| 96 | super(); |
| 97 | this.ingressPoint = null; |
| 98 | this.ingressLabel = null; |
| 99 | this.egressPoint = null; |
| 100 | this.egressLabel = null; |
| 101 | |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Returns the port on which the ingress traffic should be connected to |
| 106 | * the egress. |
| 107 | * |
| 108 | * @return ingress switch port |
| 109 | */ |
| 110 | public ConnectPoint ingressPoint() { |
| 111 | return ingressPoint; |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Returns the port on which the traffic should egress. |
| 116 | * |
| 117 | * @return egress switch port |
| 118 | */ |
| 119 | public ConnectPoint egressPoint() { |
| 120 | return egressPoint; |
| 121 | } |
| 122 | |
| 123 | |
| 124 | /** |
| 125 | * Returns the MPLS label which the ingress traffic should tagged. |
| 126 | * |
| 127 | * @return ingress MPLS label |
| 128 | */ |
| 129 | public Optional<MplsLabel> ingressLabel() { |
| 130 | return ingressLabel; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Returns the MPLS label which the egress traffic should tagged. |
| 135 | * |
| 136 | * @return egress MPLS label |
| 137 | */ |
| 138 | public Optional<MplsLabel> egressLabel() { |
| 139 | return egressLabel; |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public String toString() { |
| 144 | return MoreObjects.toStringHelper(getClass()) |
| 145 | .add("id", id()) |
| 146 | .add("appId", appId()) |
| 147 | .add("selector", selector()) |
| 148 | .add("treatment", treatment()) |
| 149 | .add("ingressPoint", ingressPoint) |
| 150 | .add("ingressLabel", ingressLabel) |
| 151 | .add("egressPoint", egressPoint) |
| 152 | .add("egressLabel", egressLabel) |
| 153 | .add("constraints", constraints()) |
| 154 | .toString(); |
| 155 | } |
| 156 | |
| 157 | |
| 158 | |
| 159 | } |