Examples with Message org.openkilda.messaging.Message used on opensource projects

Example 11 with Message

use of org.openkilda.messaging.Message 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 12 with Message

use of org.openkilda.messaging.Message in project open-kilda by telstra.

the class SwitchEventCollector method switchAdded.

/**
 * {@inheritDoc}
 */
@Override
public void switchAdded(final DatapathId switchId) {
    Message message = buildSwitchMessage(switchService.getSwitch(switchId), SwitchState.ADDED);
    kafkaProducer.postMessage(TOPO_EVENT_TOPIC, message);
}

Example 13 with Message

use of org.openkilda.messaging.Message in project open-kilda by telstra.

the class SwitchEventCollector method switchChanged.

/**
 * {@inheritDoc}
 */
@Override
public void switchChanged(final DatapathId switchId) {
    Message message = buildSwitchMessage(switchService.getSwitch(switchId), SwitchState.CHANGED);
    kafkaProducer.postMessage(TOPO_EVENT_TOPIC, message);
}

Example 14 with Message

use of org.openkilda.messaging.Message in project open-kilda by telstra.

the class SwitchEventCollector method switchRemoved.

/**
 * {@inheritDoc}
 */
@Override
public void switchRemoved(final DatapathId switchId) {
    switchManager.stopSafeMode(switchId);
    Message message = buildSwitchMessage(switchId, SwitchState.REMOVED);
    kafkaProducer.postMessage(TOPO_EVENT_TOPIC, message);
}

Example 15 with Message

use of org.openkilda.messaging.Message in project open-kilda by telstra.

the class FlowResource method installFlow.

@Post("json")
@Put("json")
public String installFlow(String json) throws IOException {
    ISwitchManager switchManager = (ISwitchManager) getContext().getAttributes().get(ISwitchManager.class.getCanonicalName());
    Message message;
    try {
        message = MAPPER.readValue(json, Message.class);
    } catch (IOException exception) {
        String messageString = "Received JSON is not valid for TPN";
        logger.error("{}: {}", messageString, json, exception);
        MessageError responseMessage = new MessageError(DEFAULT_CORRELATION_ID, now(), ErrorType.DATA_INVALID.toString(), messageString, exception.getMessage());
        return MAPPER.writeValueAsString(responseMessage);
    }
    if (!(message instanceof CommandMessage)) {
        String messageString = "Json payload message is not an instance of CommandMessage";
        logger.error("{}: class={}, data={}", messageString, message.getClass().getCanonicalName(), json);
        MessageError responseMessage = new MessageError(DEFAULT_CORRELATION_ID, now(), ErrorType.DATA_INVALID.toString(), messageString, message.getClass().getCanonicalName());
        return MAPPER.writeValueAsString(responseMessage);
    }
    CommandMessage cmdMessage = (CommandMessage) message;
    CommandData data = cmdMessage.getData();
    if (!(data instanceof BaseInstallFlow)) {
        String messageString = "Json payload data is not an instance of CommandData";
        logger.error("{}: class={}, data={}", messageString, data.getClass().getCanonicalName(), json);
        MessageError responseMessage = new MessageError(DEFAULT_CORRELATION_ID, now(), ErrorType.DATA_INVALID.toString(), messageString, data.getClass().getCanonicalName());
        return MAPPER.writeValueAsString(responseMessage);
    }
    return MAPPER.writeValueAsString("ok");
}