org.onosproject.net.pi.runtime.PiPacketMetadata Java Examples
The following examples show how to use
org.onosproject.net.pi.runtime.PiPacketMetadata.
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Example #1
Source File: PacketMetadataCodec.java From onos with Apache License 2.0 | 6 votes |
@Override protected PiPacketMetadata decode( P4RuntimeOuterClass.PacketMetadata message, P4InfoOuterClass.Preamble ctrlPktMetaPreamble, PiPipeconf pipeconf, P4InfoBrowser browser) throws P4InfoBrowser.NotFoundException { final String packetMetadataName = browser .packetMetadatas(ctrlPktMetaPreamble.getId()) .getById(message.getMetadataId()).getName(); final PiPacketMetadataId metadataId = PiPacketMetadataId .of(packetMetadataName); return PiPacketMetadata.builder() .withId(metadataId) .withValue(copyFrom(message.getValue().asReadOnlyByteBuffer())) .build(); }
Example #2
Source File: PacketInEventTest.java From onos with Apache License 2.0 | 5 votes |
/** * Setup method for packetOperation and packetOperation2. * @throws ImmutableByteSequence.ByteSequenceTrimException if byte sequence cannot be trimmed */ @Before public void setup() throws ImmutableByteSequence.ByteSequenceTrimException { packetOperation = PiPacketOperation.builder() .withData(ImmutableByteSequence.ofOnes(512)) .withType(PACKET_OUT) .withMetadata(PiPacketMetadata.builder() .withId(PiPacketMetadataId.of("egress_port")) .withValue(copyFrom(DEFAULT_ORIGINAL_VALUE).fit(DEFAULT_BIT_WIDTH)) .build()) .build(); packetOperation2 = PiPacketOperation.builder() .withData(ImmutableByteSequence.ofOnes(512)) .withType(PACKET_IN) .withMetadata(PiPacketMetadata.builder() .withId(PiPacketMetadataId.of("ingress_port")) .withValue(copyFrom(DEFAULT_ORIGINAL_VALUE).fit(DEFAULT_BIT_WIDTH)) .build()) .build(); packetIn = new org.onosproject.p4runtime.ctl.controller.PacketInEvent(deviceId, packetOperation); sameAsPacketIn = new org.onosproject.p4runtime.ctl.controller.PacketInEvent(sameDeviceId, packetOperation); packetIn2 = new org.onosproject.p4runtime.ctl.controller.PacketInEvent(deviceId2, packetOperation); packetIn3 = new org.onosproject.p4runtime.ctl.controller.PacketInEvent(deviceId, packetOperation2); }
Example #3
Source File: PipelineInterpreterImpl.java From onos with Apache License 2.0 | 5 votes |
private PiPacketMetadata createPacketMetadata(long portNumber) throws PiInterpreterException { try { return PiPacketMetadata.builder() .withId(PiPacketMetadataId.of(EGRESS_PORT)) .withValue(copyFrom(portNumber).fit(PORT_FIELD_BITWIDTH)) .build(); } catch (ImmutableByteSequence.ByteSequenceTrimException e) { throw new PiInterpreterException(format( "Port number %d too big, %s", portNumber, e.getMessage())); } }
Example #4
Source File: PipelineInterpreterImpl.java From onos with Apache License 2.0 | 5 votes |
private PiPacketOperation createPiPacketOp(ByteBuffer data, long portNumber) throws PiInterpreterException { PiPacketMetadata metadata = createPacketMetadata(portNumber); return PiPacketOperation.builder() .withType(PACKET_OUT) .withData(copyFrom(data)) .withMetadatas(ImmutableList.of(metadata)) .build(); }
Example #5
Source File: PipelineInterpreterImpl.java From onos with Apache License 2.0 | 5 votes |
@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 #6
Source File: BasicInterpreterImpl.java From onos with Apache License 2.0 | 5 votes |
private PiPacketMetadata createPacketMetadata(long portNumber) throws PiInterpreterException { try { return PiPacketMetadata.builder() .withId(EGRESS_PORT) .withValue(copyFrom(portNumber).fit(PORT_BITWIDTH)) .build(); } catch (ImmutableByteSequence.ByteSequenceTrimException e) { throw new PiInterpreterException(format( "Port number %d too big, %s", portNumber, e.getMessage())); } }
Example #7
Source File: BasicInterpreterImpl.java From onos with Apache License 2.0 | 5 votes |
private PiPacketOperation createPiPacketOperation(ByteBuffer data, long portNumber) throws PiInterpreterException { PiPacketMetadata metadata = createPacketMetadata(portNumber); return PiPacketOperation.builder() .withType(PACKET_OUT) .withData(copyFrom(data)) .withMetadatas(ImmutableList.of(metadata)) .build(); }
Example #8
Source File: BasicInterpreterImpl.java From onos with Apache License 2.0 | 5 votes |
@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 #9
Source File: FabricInterpreter.java From onos with Apache License 2.0 | 5 votes |
@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)); 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 #10
Source File: FabricInterpreter.java From onos with Apache License 2.0 | 5 votes |
private PiPacketMetadata createPacketMetadata(long portNumber) throws PiInterpreterException { try { return PiPacketMetadata.builder() .withId(FabricConstants.EGRESS_PORT) .withValue(copyFrom(portNumber).fit(PORT_BITWIDTH)) .build(); } catch (ImmutableByteSequence.ByteSequenceTrimException e) { throw new PiInterpreterException(format( "Port number '%d' too big, %s", portNumber, e.getMessage())); } }
Example #11
Source File: FabricInterpreter.java From onos with Apache License 2.0 | 5 votes |
private PiPacketOperation createPiPacketOperation( DeviceId deviceId, ByteBuffer data, long portNumber) throws PiInterpreterException { PiPacketMetadata metadata = createPacketMetadata(portNumber); return PiPacketOperation.builder() .withType(PACKET_OUT) .withData(copyFrom(data)) .withMetadatas(ImmutableList.of(metadata)) .build(); }
Example #12
Source File: InterpreterImpl.java From ngsdn-tutorial with Apache License 2.0 | 5 votes |
/** * Builds a pipeconf-specific packet-out instance with the given payload and * egress port. * * @param pktData packet payload * @param portNumber egress port * @return packet-out * @throws PiInterpreterException if packet-out cannot be built */ private PiPacketOperation buildPacketOut(ByteBuffer pktData, long portNumber) throws PiInterpreterException { // Make sure port number can fit in v1model port metadata bitwidth. final ImmutableByteSequence portBytes; try { portBytes = copyFrom(portNumber).fit(V1MODEL_PORT_BITWIDTH); } catch (ImmutableByteSequence.ByteSequenceTrimException e) { throw new PiInterpreterException(format( "Port number %d too big, %s", portNumber, e.getMessage())); } // Create metadata instance for egress port. // TODO EXERCISE 3: modify metadata names to match P4 program // ---- START SOLUTION ---- final String outPortMetadataName = "egress_port"; // ---- END SOLUTION ---- final PiPacketMetadata outPortMetadata = PiPacketMetadata.builder() .withId(PiPacketMetadataId.of(outPortMetadataName)) .withValue(portBytes) .build(); // Build packet out. return PiPacketOperation.builder() .withType(PACKET_OUT) .withData(copyFrom(pktData)) .withMetadata(outPortMetadata) .build(); }
Example #13
Source File: PacketMetadataCodec.java From onos with Apache License 2.0 | 5 votes |
@Override protected P4RuntimeOuterClass.PacketMetadata encode( PiPacketMetadata piEntity, P4InfoOuterClass.Preamble ctrlPktMetaPreamble, PiPipeconf pipeconf, P4InfoBrowser browser) throws P4InfoBrowser.NotFoundException { final int metadataId = browser .packetMetadatas(ctrlPktMetaPreamble.getId()) .getByName(piEntity.id().id()).getId(); return P4RuntimeOuterClass.PacketMetadata.newBuilder() .setMetadataId(metadataId) .setValue(ByteString.copyFrom(piEntity.value().asReadOnlyBuffer())) .build(); }
Example #14
Source File: InterpreterImpl.java From onos-p4-tutorial with Apache License 2.0 | 5 votes |
/** * Builds a pipeconf-specific packet-out instance with the given payload and * egress port. * * @param pktData packet payload * @param portNumber egress port * @return packet-out * @throws PiInterpreterException if packet-out cannot be built */ private PiPacketOperation buildPacketOut(ByteBuffer pktData, long portNumber) throws PiInterpreterException { // Make sure port number can fit in v1model port metadata bitwidth. final ImmutableByteSequence portBytes; try { portBytes = copyFrom(portNumber).fit(V1MODEL_PORT_BITWIDTH); } catch (ImmutableByteSequence.ByteSequenceTrimException e) { throw new PiInterpreterException(format( "Port number %d too big, %s", portNumber, e.getMessage())); } // Create metadata instance for egress port. // TODO EXERCISE 1: modify metadata names to match P4 program // ---- START SOLUTION ---- final String outPortMetadataName = "MODIFY ME"; // ---- END SOLUTION ---- final PiPacketMetadata outPortMetadata = PiPacketMetadata.builder() .withId(PiPacketMetadataId.of(outPortMetadataName)) .withValue(portBytes) .build(); // Build packet out. return PiPacketOperation.builder() .withType(PACKET_OUT) .withData(copyFrom(pktData)) .withMetadata(outPortMetadata) .build(); }
Example #15
Source File: InterpreterImpl.java From onos-p4-tutorial with Apache License 2.0 | 5 votes |
/** * Builds a pipeconf-specific packet-out instance with the given payload and * egress port. * * @param pktData packet payload * @param portNumber egress port * @return packet-out * @throws PiInterpreterException if packet-out cannot be built */ private PiPacketOperation buildPacketOut(ByteBuffer pktData, long portNumber) throws PiInterpreterException { // Make sure port number can fit in v1model port metadata bitwidth. final ImmutableByteSequence portBytes; try { portBytes = copyFrom(portNumber).fit(V1MODEL_PORT_BITWIDTH); } catch (ImmutableByteSequence.ByteSequenceTrimException e) { throw new PiInterpreterException(format( "Port number %d too big, %s", portNumber, e.getMessage())); } // Create metadata instance for egress port. // TODO EXERCISE 1: modify metadata names to match P4 program // ---- START SOLUTION ---- final String outPortMetadataName = "egress_port"; // ---- END SOLUTION ---- final PiPacketMetadata outPortMetadata = PiPacketMetadata.builder() .withId(PiPacketMetadataId.of(outPortMetadataName)) .withValue(portBytes) .build(); // Build packet out. return PiPacketOperation.builder() .withType(PACKET_OUT) .withData(copyFrom(pktData)) .withMetadata(outPortMetadata) .build(); }
Example #16
Source File: InterpreterImpl.java From ngsdn-tutorial with Apache License 2.0 | 5 votes |
/** * Builds a pipeconf-specific packet-out instance with the given payload and * egress port. * * @param pktData packet payload * @param portNumber egress port * @return packet-out * @throws PiInterpreterException if packet-out cannot be built */ private PiPacketOperation buildPacketOut(ByteBuffer pktData, long portNumber) throws PiInterpreterException { // Make sure port number can fit in v1model port metadata bitwidth. final ImmutableByteSequence portBytes; try { portBytes = copyFrom(portNumber).fit(V1MODEL_PORT_BITWIDTH); } catch (ImmutableByteSequence.ByteSequenceTrimException e) { throw new PiInterpreterException(format( "Port number %d too big, %s", portNumber, e.getMessage())); } // Create metadata instance for egress port. // *** TODO EXERCISE 3: modify metadata names to match P4 program // ---- START SOLUTION ---- final String outPortMetadataName = "<ADD HERE METADATA NAME FOR THE EGRESS PORT>"; // ---- END SOLUTION ---- final PiPacketMetadata outPortMetadata = PiPacketMetadata.builder() .withId(PiPacketMetadataId.of(outPortMetadataName)) .withValue(portBytes) .build(); // Build packet out. return PiPacketOperation.builder() .withType(PACKET_OUT) .withData(copyFrom(pktData)) .withMetadata(outPortMetadata) .build(); }
Example #17
Source File: InterpreterImpl.java From onos-p4-tutorial with Apache License 2.0 | 4 votes |
/** * Returns an ONS InboundPacket equivalent to the given pipeconf-specific * packet-in operation. * * @param packetIn packet operation * @param deviceId ID of the device that originated the packet-in * @return inbound packet * @throws PiInterpreterException if the packet operation cannot be mapped * to an inbound packet */ @Override public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException { // Find the ingress_port metadata. // TODO EXERCISE 1: modify metadata names to match P4 program // ---- START SOLUTION ---- final String inportMetadataName = "MODIFY ME"; // ---- END SOLUTION ---- Optional<PiPacketMetadata> inportMetadata = packetIn.metadatas() .stream() .filter(meta -> meta.id().id().equals(inportMetadataName)) .findFirst(); if (!inportMetadata.isPresent()) { throw new PiInterpreterException(format( "Missing metadata '%s' in packet-in received from '%s': %s", inportMetadataName, deviceId, packetIn)); } // Build ONOS InboundPacket instance with the given ingress port. // 1. Parse packet-in object into Ethernet packet instance. final byte[] payloadBytes = packetIn.data().asArray(); final ByteBuffer rawData = ByteBuffer.wrap(payloadBytes); final Ethernet ethPkt; try { ethPkt = Ethernet.deserializer().deserialize( payloadBytes, 0, packetIn.data().size()); } catch (DeserializationException dex) { throw new PiInterpreterException(dex.getMessage()); } // 2. Get ingress port final ImmutableByteSequence portBytes = inportMetadata.get().value(); final short portNum = portBytes.asReadOnlyBuffer().getShort(); final ConnectPoint receivedFrom = new ConnectPoint( deviceId, PortNumber.portNumber(portNum)); return new DefaultInboundPacket(receivedFrom, ethPkt, rawData); }
Example #18
Source File: InterpreterImpl.java From onos-p4-tutorial with Apache License 2.0 | 4 votes |
/** * Returns an ONS InboundPacket equivalent to the given pipeconf-specific * packet-in operation. * * @param packetIn packet operation * @param deviceId ID of the device that originated the packet-in * @return inbound packet * @throws PiInterpreterException if the packet operation cannot be mapped * to an inbound packet */ @Override public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException { // Find the ingress_port metadata. // TODO EXERCISE 1: modify metadata names to match P4 program // ---- START SOLUTION ---- final String inportMetadataName = "ingress_port"; // ---- END SOLUTION ---- Optional<PiPacketMetadata> inportMetadata = packetIn.metadatas() .stream() .filter(meta -> meta.id().id().equals(inportMetadataName)) .findFirst(); if (!inportMetadata.isPresent()) { throw new PiInterpreterException(format( "Missing metadata '%s' in packet-in received from '%s': %s", inportMetadataName, deviceId, packetIn)); } // Build ONOS InboundPacket instance with the given ingress port. // 1. Parse packet-in object into Ethernet packet instance. final byte[] payloadBytes = packetIn.data().asArray(); final ByteBuffer rawData = ByteBuffer.wrap(payloadBytes); final Ethernet ethPkt; try { ethPkt = Ethernet.deserializer().deserialize( payloadBytes, 0, packetIn.data().size()); } catch (DeserializationException dex) { throw new PiInterpreterException(dex.getMessage()); } // 2. Get ingress port final ImmutableByteSequence portBytes = inportMetadata.get().value(); final short portNum = portBytes.asReadOnlyBuffer().getShort(); final ConnectPoint receivedFrom = new ConnectPoint( deviceId, PortNumber.portNumber(portNum)); return new DefaultInboundPacket(receivedFrom, ethPkt, rawData); }
Example #19
Source File: InterpreterImpl.java From ngsdn-tutorial with Apache License 2.0 | 4 votes |
/** * Returns an ONS InboundPacket equivalent to the given pipeconf-specific * packet-in operation. * * @param packetIn packet operation * @param deviceId ID of the device that originated the packet-in * @return inbound packet * @throws PiInterpreterException if the packet operation cannot be mapped * to an inbound packet */ @Override public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException { // Find the ingress_port metadata. // *** TODO EXERCISE 3: modify metadata names to match P4Info // ---- START SOLUTION ---- final String inportMetadataName = "<ADD HERE METADATA NAME FOR THE INGRESS PORT>"; // ---- END SOLUTION ---- Optional<PiPacketMetadata> inportMetadata = packetIn.metadatas() .stream() .filter(meta -> meta.id().id().equals(inportMetadataName)) .findFirst(); if (!inportMetadata.isPresent()) { throw new PiInterpreterException(format( "Missing metadata '%s' in packet-in received from '%s': %s", inportMetadataName, deviceId, packetIn)); } // Build ONOS InboundPacket instance with the given ingress port. // 1. Parse packet-in object into Ethernet packet instance. final byte[] payloadBytes = packetIn.data().asArray(); final ByteBuffer rawData = ByteBuffer.wrap(payloadBytes); final Ethernet ethPkt; try { ethPkt = Ethernet.deserializer().deserialize( payloadBytes, 0, packetIn.data().size()); } catch (DeserializationException dex) { throw new PiInterpreterException(dex.getMessage()); } // 2. Get ingress port final ImmutableByteSequence portBytes = inportMetadata.get().value(); final short portNum = portBytes.asReadOnlyBuffer().getShort(); final ConnectPoint receivedFrom = new ConnectPoint( deviceId, PortNumber.portNumber(portNum)); return new DefaultInboundPacket(receivedFrom, ethPkt, rawData); }
Example #20
Source File: InterpreterImpl.java From ngsdn-tutorial with Apache License 2.0 | 4 votes |
/** * Returns an ONS InboundPacket equivalent to the given pipeconf-specific * packet-in operation. * * @param packetIn packet operation * @param deviceId ID of the device that originated the packet-in * @return inbound packet * @throws PiInterpreterException if the packet operation cannot be mapped * to an inbound packet */ @Override public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException { // Find the ingress_port metadata. // TODO EXERCISE 3: modify metadata names to match P4 program // ---- START SOLUTION ---- final String inportMetadataName = "ingress_port"; // ---- END SOLUTION ---- Optional<PiPacketMetadata> inportMetadata = packetIn.metadatas() .stream() .filter(meta -> meta.id().id().equals(inportMetadataName)) .findFirst(); if (!inportMetadata.isPresent()) { throw new PiInterpreterException(format( "Missing metadata '%s' in packet-in received from '%s': %s", inportMetadataName, deviceId, packetIn)); } // Build ONOS InboundPacket instance with the given ingress port. // 1. Parse packet-in object into Ethernet packet instance. final byte[] payloadBytes = packetIn.data().asArray(); final ByteBuffer rawData = ByteBuffer.wrap(payloadBytes); final Ethernet ethPkt; try { ethPkt = Ethernet.deserializer().deserialize( payloadBytes, 0, packetIn.data().size()); } catch (DeserializationException dex) { throw new PiInterpreterException(dex.getMessage()); } // 2. Get ingress port final ImmutableByteSequence portBytes = inportMetadata.get().value(); final short portNum = portBytes.asReadOnlyBuffer().getShort(); final ConnectPoint receivedFrom = new ConnectPoint( deviceId, PortNumber.portNumber(portNum)); return new DefaultInboundPacket(receivedFrom, ethPkt, rawData); }