Examples with VirtualPacketContext org.onosproject.incubator.net.virtual.VirtualPacketContext used on opensource projects

Example 1 with VirtualPacketContext

use of org.onosproject.incubator.net.virtual.VirtualPacketContext in project onos by opennetworkinglab.

the class DefaultVirtualPacketProvider method virtualize.

/**
 * Translate the requested physical PacketContext into a virtual PacketContext.
 * See {@link org.onosproject.net.packet.PacketContext}
 *
 * @param context A physical PacketContext be translated
 * @return A translated virtual PacketContext
 */
private VirtualPacketContext virtualize(PacketContext context) {
    VirtualPort vPort = getMappedVirtualPort(context.inPacket().receivedFrom());
    if (vPort != null) {
        ConnectPoint cp = new ConnectPoint(vPort.element().id(), vPort.number());
        Ethernet eth = context.inPacket().parsed();
        eth.setVlanID(Ethernet.VLAN_UNTAGGED);
        InboundPacket inPacket = new DefaultInboundPacket(cp, eth, ByteBuffer.wrap(eth.serialize()));
        DefaultOutboundPacket outPkt = new DefaultOutboundPacket(cp.deviceId(), DefaultTrafficTreatment.builder().build(), ByteBuffer.wrap(eth.serialize()));
        VirtualPacketContext vContext = new DefaultVirtualPacketContext(context.time(), inPacket, outPkt, false, vPort.networkId(), this);
        return vContext;
    } else {
        return null;
    }
}

Example 2 with VirtualPacketContext

use of org.onosproject.incubator.net.virtual.VirtualPacketContext in project onos by opennetworkinglab.

the class DefaultVirtualPacketProvider method devirtualizeContext.

/**
 * Translate the requested virtual packet context into
 * a set of physical outbound packets.
 *
 * @param context A handled virtual packet context
 */
private Set<OutboundPacket> devirtualizeContext(VirtualPacketContext context) {
    Set<OutboundPacket> outboundPackets = new HashSet<>();
    NetworkId networkId = context.networkId();
    TrafficTreatment vTreatment = context.treatmentBuilder().build();
    DeviceId sendThrough = context.outPacket().sendThrough();
    Set<VirtualPort> vPorts = vnaService.getVirtualPorts(networkId, sendThrough);
    PortNumber vOutPortNum = vTreatment.allInstructions().stream().filter(i -> i.type() == Instruction.Type.OUTPUT).map(i -> ((Instructions.OutputInstruction) i).port()).findFirst().get();
    TrafficTreatment.Builder commonTreatmentBuilder = DefaultTrafficTreatment.builder();
    vTreatment.allInstructions().stream().filter(i -> i.type() != Instruction.Type.OUTPUT).forEach(i -> commonTreatmentBuilder.add(i));
    TrafficTreatment commonTreatment = commonTreatmentBuilder.build();
    if (!vOutPortNum.isLogical()) {
        Optional<ConnectPoint> optionalCpOut = vPorts.stream().filter(v -> v.number().equals(vOutPortNum)).map(v -> v.realizedBy()).findFirst();
        if (!optionalCpOut.isPresent()) {
            log.warn("Port {} is not realized yet, in Network {}, Device {}", vOutPortNum, networkId, sendThrough);
            return outboundPackets;
        }
        ConnectPoint egressPoint = optionalCpOut.get();
        TrafficTreatment treatment = DefaultTrafficTreatment.builder(commonTreatment).setOutput(egressPoint.port()).build();
        OutboundPacket outboundPacket = new DefaultOutboundPacket(egressPoint.deviceId(), treatment, context.outPacket().data());
        outboundPackets.add(outboundPacket);
    } else {
        if (vOutPortNum == PortNumber.FLOOD) {
            Set<VirtualPort> outPorts = vPorts.stream().filter(vp -> !vp.number().isLogical()).filter(vp -> vp.number() != context.inPacket().receivedFrom().port()).collect(Collectors.toSet());
            for (VirtualPort outPort : outPorts) {
                ConnectPoint cpOut = outPort.realizedBy();
                if (cpOut != null) {
                    TrafficTreatment treatment = DefaultTrafficTreatment.builder(commonTreatment).setOutput(cpOut.port()).build();
                    OutboundPacket outboundPacket = new DefaultOutboundPacket(cpOut.deviceId(), treatment, context.outPacket().data());
                    outboundPackets.add(outboundPacket);
                } else {
                    log.warn("Port {} is not realized yet, in Network {}, Device {}", outPort.number(), networkId, sendThrough);
                }
            }
        }
    }
    return outboundPackets;
}