Examples with U64 org.projectfloodlight.openflow.types.U64 used on opensource projects

Example 1 with U64

use of org.projectfloodlight.openflow.types.U64 in project open-kilda by telstra.

the class PathVerificationService method handlePacketIn.

private IListener.Command handlePacketIn(IOFSwitch sw, OFPacketIn pkt, FloodlightContext context) {
    long time = System.currentTimeMillis();
    logger.debug("packet_in {} received from {}", pkt.getXid(), sw.getId());
    VerificationPacket verificationPacket = null;
    Ethernet eth = IFloodlightProviderService.bcStore.get(context, IFloodlightProviderService.CONTEXT_PI_PAYLOAD);
    try {
        verificationPacket = deserialize(eth);
    } catch (Exception exception) {
        logger.error("Deserialization failure: {}, exception: {}", exception.getMessage(), exception);
        return Command.CONTINUE;
    }
    try {
        OFPort inPort = pkt.getVersion().compareTo(OFVersion.OF_12) < 0 ? pkt.getInPort() : pkt.getMatch().get(MatchField.IN_PORT);
        ByteBuffer portBB = ByteBuffer.wrap(verificationPacket.getPortId().getValue());
        portBB.position(1);
        OFPort remotePort = OFPort.of(portBB.getShort());
        long timestamp = 0;
        int pathOrdinal = 10;
        IOFSwitch remoteSwitch = null;
        boolean signed = false;
        for (LLDPTLV lldptlv : verificationPacket.getOptionalTLVList()) {
            if (lldptlv.getType() == 127 && lldptlv.getLength() == 12 && lldptlv.getValue()[0] == 0x0 && lldptlv.getValue()[1] == 0x26 && lldptlv.getValue()[2] == (byte) 0xe1 && lldptlv.getValue()[3] == 0x0) {
                ByteBuffer dpidBB = ByteBuffer.wrap(lldptlv.getValue());
                remoteSwitch = switchService.getSwitch(DatapathId.of(dpidBB.getLong(4)));
            } else if (lldptlv.getType() == 127 && lldptlv.getLength() == 12 && lldptlv.getValue()[0] == 0x0 && lldptlv.getValue()[1] == 0x26 && lldptlv.getValue()[2] == (byte) 0xe1 && lldptlv.getValue()[3] == 0x01) {
                ByteBuffer tsBB = ByteBuffer.wrap(lldptlv.getValue());
                /* skip OpenFlow OUI (4 bytes above) */
                long swLatency = sw.getLatency().getValue();
                timestamp = tsBB.getLong(4);
                /* include the RX switch latency to "subtract" it */
                timestamp = timestamp + swLatency;
            } else if (lldptlv.getType() == 127 && lldptlv.getLength() == 8 && lldptlv.getValue()[0] == 0x0 && lldptlv.getValue()[1] == 0x26 && lldptlv.getValue()[2] == (byte) 0xe1 && lldptlv.getValue()[3] == 0x02) {
                ByteBuffer typeBB = ByteBuffer.wrap(lldptlv.getValue());
                pathOrdinal = typeBB.getInt(4);
            } else if (lldptlv.getType() == 127 && lldptlv.getValue()[0] == 0x0 && lldptlv.getValue()[1] == 0x26 && lldptlv.getValue()[2] == (byte) 0xe1 && lldptlv.getValue()[3] == 0x03) {
                ByteBuffer bb = ByteBuffer.wrap(lldptlv.getValue());
                bb.position(4);
                byte[] tokenArray = new byte[lldptlv.getLength() - 4];
                bb.get(tokenArray, 0, tokenArray.length);
                String token = new String(tokenArray);
                try {
                    DecodedJWT jwt = verifier.verify(token);
                    signed = true;
                } catch (JWTVerificationException e) {
                    logger.error("Packet verification failed", e);
                    return Command.STOP;
                }
            }
        }
        if (remoteSwitch == null) {
            return Command.STOP;
        }
        if (!signed) {
            logger.warn("verification packet without sign");
            return Command.STOP;
        }
        U64 latency = (timestamp != 0 && (time - timestamp) > 0) ? U64.of(time - timestamp) : U64.ZERO;
        logger.debug("link discovered: {}-{} ===( {} ms )===> {}-{}", remoteSwitch.getId(), remotePort, latency.getValue(), sw.getId(), inPort);
        // this verification packet was sent from remote switch/port to received switch/port
        // so the link direction is from remote switch/port to received switch/port
        List<PathNode> nodes = Arrays.asList(new PathNode(remoteSwitch.getId().toString(), remotePort.getPortNumber(), 0, latency.getValue()), new PathNode(sw.getId().toString(), inPort.getPortNumber(), 1));
        OFPortDesc port = sw.getPort(inPort);
        long speed = Integer.MAX_VALUE;
        if (port.getVersion().compareTo(OFVersion.OF_13) > 0) {
            for (OFPortDescProp prop : port.getProperties()) {
                if (prop.getType() == 0x0) {
                    speed = ((OFPortDescPropEthernet) prop).getCurrSpeed();
                }
            }
        } else {
            speed = port.getCurrSpeed();
        }
        IslInfoData path = new IslInfoData(latency.getValue(), nodes, speed, IslChangeType.DISCOVERED, getAvailableBandwidth(speed));
        Message message = new InfoMessage(path, System.currentTimeMillis(), "system", null);
        final String json = MAPPER.writeValueAsString(message);
        logger.debug("about to send {}", json);
        producer.send(new ProducerRecord<>(TOPIC, json));
        logger.debug("packet_in processed for {}-{}", sw.getId(), inPort);
    } catch (JsonProcessingException exception) {
        logger.error("could not create json for path packet_in: {}", exception.getMessage(), exception);
    } catch (UnsupportedOperationException exception) {
        logger.error("could not parse packet_in message: {}", exception.getMessage(), exception);
    } catch (Exception exception) {
        logger.error("unknown error during packet_in message processing: {}", exception.getMessage(), exception);
        throw exception;
    }
    return Command.STOP;
}

Example 2 with U64

use of org.projectfloodlight.openflow.types.U64 in project open-kilda by telstra.

the class AppsMetadata method makeValue.

private static U64 makeValue(Integer encapsulationId, boolean isForward) {
    U64 value = U64.ZERO;
    if (encapsulationId != null) {
        value = setField(value, encapsulationId, ENCAPSULATION_ID_FIELD);
        value = setField(value, isForward ? 1 : 0, FORWARD_REVERSE_FLAG);
    }
    return value;
}

Example 3 with U64

use of org.projectfloodlight.openflow.types.U64 in project open-kilda by telstra.

the class MetadataBase method setField.

protected static U64 setField(U64 target, long value, BitField field) {
    U64 result = target.and(U64.of(~field.getMask()));
    value <<= field.getOffset();
    return result.or(U64.of(value & field.getMask()));
}

Example 4 with U64

use of org.projectfloodlight.openflow.types.U64 in project open-kilda by telstra.

the class ConnectedDevicesService method handlePacketIn.

private void handlePacketIn(OfInput input) {
    U64 rawCookie = input.packetInCookie();
    if (rawCookie == null) {
        return;
    }
    ServiceCookie cookie = new ServiceCookie(rawCookie.getValue());
    SwitchId switchId = new SwitchId(input.getDpId().getLong());
    final ServiceCookieTag serviceTag = cookie.getServiceTag();
    if (lldpServiceTags.contains(serviceTag)) {
        logger.debug("Receive connected device LLDP packet from {} OF-xid:{}, cookie: {}", input.getDpId(), input.getMessage().getXid(), cookie);
        handleSwitchLldp(input, switchId, cookie.getValue());
    } else if (arpServiceTags.contains(serviceTag)) {
        logger.debug("Receive connected device ARP packet from {} OF-xid:{}, cookie: {}", input.getDpId(), input.getMessage().getXid(), cookie);
        handleArp(input, switchId, cookie.getValue());
    }
}

Example 5 with U64

use of org.projectfloodlight.openflow.types.U64 in project open-kilda by telstra.

the class OfInput method packetInCookie.

/**
 * Extract cookie value from OFPacketIn message.
 */
public U64 packetInCookie() {
    if (getType() != OFType.PACKET_IN) {
        throw new IllegalStateException(String.format("%s.packetInCookie() is applicable only for %s (called for %s)", getClass().getName(), OFType.PACKET_IN, getType()));
    }
    OFPacketIn packet = (OFPacketIn) message;
    final U64 cookie;
    try {
        cookie = packet.getCookie();
    } catch (UnsupportedOperationException e) {
        return null;
    }
    return cookie;
}