Examples with PiPacketMetadata org.onosproject.net.pi.runtime.PiPacketMetadata used on opensource projects

Example 1 with PiPacketMetadata

use of org.onosproject.net.pi.runtime.PiPacketMetadata in project onos by opennetworkinglab.

the class PipelineInterpreterImpl method mapInboundPacket.

@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException {
    // We assume that the packet is ethernet, which is fine since mytunnel.p4
    // can deparse only ethernet packets.
    Ethernet ethPkt;
    try {
        ethPkt = Ethernet.deserializer().deserialize(packetIn.data().asArray(), 0, packetIn.data().size());
    } catch (DeserializationException dex) {
        throw new PiInterpreterException(dex.getMessage());
    }
    // Returns the ingress port packet metadata.
    Optional<PiPacketMetadata> packetMetadata = packetIn.metadatas().stream().filter(metadata -> metadata.id().toString().equals(INGRESS_PORT)).findFirst();
    if (packetMetadata.isPresent()) {
        short s = packetMetadata.get().value().asReadOnlyBuffer().getShort();
        ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(s));
        return new DefaultInboundPacket(receivedFrom, ethPkt, packetIn.data().asReadOnlyBuffer());
    } else {
        throw new PiInterpreterException(format("Missing metadata '%s' in packet-in received from '%s': %s", INGRESS_PORT, deviceId, packetIn));
    }
}

Example 2 with PiPacketMetadata

use of org.onosproject.net.pi.runtime.PiPacketMetadata in project onos by opennetworkinglab.

the class BasicInterpreterImpl method mapInboundPacket.

@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException {
    // Assuming that the packet is ethernet, which is fine since basic.p4
    // can deparse only ethernet packets.
    Ethernet ethPkt;
    try {
        ethPkt = Ethernet.deserializer().deserialize(packetIn.data().asArray(), 0, packetIn.data().size());
    } catch (DeserializationException dex) {
        throw new PiInterpreterException(dex.getMessage());
    }
    // Returns the ingress port packet metadata.
    Optional<PiPacketMetadata> packetMetadata = packetIn.metadatas().stream().filter(m -> m.id().equals(INGRESS_PORT)).findFirst();
    if (packetMetadata.isPresent()) {
        ImmutableByteSequence portByteSequence = packetMetadata.get().value();
        short s = portByteSequence.asReadOnlyBuffer().getShort();
        ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(s));
        ByteBuffer rawData = ByteBuffer.wrap(packetIn.data().asArray());
        return new DefaultInboundPacket(receivedFrom, ethPkt, rawData);
    } else {
        throw new PiInterpreterException(format("Missing metadata '%s' in packet-in received from '%s': %s", INGRESS_PORT, deviceId, packetIn));
    }
}

Example 3 with PiPacketMetadata

use of org.onosproject.net.pi.runtime.PiPacketMetadata in project onos by opennetworkinglab.

the class FabricInterpreter method mapInboundPacket.

@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException {
    // Assuming that the packet is ethernet, which is fine since fabric.p4
    // can deparse only ethernet packets.
    Ethernet ethPkt;
    try {
        ethPkt = Ethernet.deserializer().deserialize(packetIn.data().asArray(), 0, packetIn.data().size());
    } catch (DeserializationException dex) {
        throw new PiInterpreterException(dex.getMessage());
    }
    // Returns the ingress port packet metadata.
    Optional<PiPacketMetadata> packetMetadata = packetIn.metadatas().stream().filter(m -> m.id().equals(FabricConstants.INGRESS_PORT)).findFirst();
    if (packetMetadata.isPresent()) {
        ImmutableByteSequence portByteSequence = packetMetadata.get().value();
        short s = portByteSequence.asReadOnlyBuffer().getShort();
        ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(s));
        if (!receivedFrom.port().hasName()) {
            receivedFrom = translateSwitchPort(receivedFrom);
        }
        ByteBuffer rawData = ByteBuffer.wrap(packetIn.data().asArray());
        return new DefaultInboundPacket(receivedFrom, ethPkt, rawData);
    } else {
        throw new PiInterpreterException(format("Missing metadata '%s' in packet-in received from '%s': %s", FabricConstants.INGRESS_PORT, deviceId, packetIn));
    }
}

Example 4 with PiPacketMetadata

use of org.onosproject.net.pi.runtime.PiPacketMetadata in project onos by opennetworkinglab.

the class FabricInterpreterTest method testMapOutboundPacketWithForwarding.

@Test
public void testMapOutboundPacketWithForwarding() throws Exception {
    PortNumber outputPort = PortNumber.TABLE;
    TrafficTreatment outputTreatment = DefaultTrafficTreatment.builder().setOutput(outputPort).build();
    ByteBuffer data = ByteBuffer.allocate(64);
    OutboundPacket outPkt = new DefaultOutboundPacket(DEVICE_ID, outputTreatment, data);
    Collection<PiPacketOperation> result = interpreter.mapOutboundPacket(outPkt);
    assertEquals(result.size(), 1);
    ImmutableList.Builder<PiPacketMetadata> builder = ImmutableList.builder();
    builder.add(PiPacketMetadata.builder().withId(FabricConstants.DO_FORWARDING).withValue(ImmutableByteSequence.copyFrom(1).fit(1)).build());
    PiPacketOperation expectedPktOp = PiPacketOperation.builder().withType(PiPacketOperationType.PACKET_OUT).withData(ImmutableByteSequence.copyFrom(data)).withMetadatas(builder.build()).build();
    assertEquals(expectedPktOp, result.iterator().next());
}

Example 5 with PiPacketMetadata

use of org.onosproject.net.pi.runtime.PiPacketMetadata in project onos by opennetworkinglab.

the class FabricInterpreterTest method testMapOutboundPacketWithoutForwarding.

@Test
public void testMapOutboundPacketWithoutForwarding() throws Exception {
    PortNumber outputPort = PortNumber.portNumber(1);
    TrafficTreatment outputTreatment = DefaultTrafficTreatment.builder().setOutput(outputPort).build();
    ByteBuffer data = ByteBuffer.allocate(64);
    OutboundPacket outPkt = new DefaultOutboundPacket(DEVICE_ID, outputTreatment, data);
    Collection<PiPacketOperation> result = interpreter.mapOutboundPacket(outPkt);
    assertEquals(result.size(), 1);
    ImmutableList.Builder<PiPacketMetadata> builder = ImmutableList.builder();
    builder.add(PiPacketMetadata.builder().withId(FabricConstants.EGRESS_PORT).withValue(ImmutableByteSequence.copyFrom(outputPort.toLong()).fit(PORT_BITWIDTH)).build());
    PiPacketOperation expectedPktOp = PiPacketOperation.builder().withType(PiPacketOperationType.PACKET_OUT).withData(ImmutableByteSequence.copyFrom(data)).withMetadatas(builder.build()).build();
    assertEquals(expectedPktOp, result.iterator().next());
}