Examples with JsonProcessingException org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException used on opensource projects

Example 26 with JsonProcessingException

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException in project open-kilda by telstra.

the class CacheBolt method emitRestoreCommands.

private void emitRestoreCommands(Set<ImmutablePair<Flow, Flow>> flows, Tuple tuple) {
    if (flows != null) {
        ResourceCache resourceCache = new ResourceCache();
        for (ImmutablePair<Flow, Flow> flow : flows) {
            resourceCache.allocateFlow(flow);
        }
        for (ImmutablePair<Flow, Flow> flow : flows) {
            try {
                FlowRestoreRequest request = new FlowRestoreRequest(flowCache.buildFlow(flow.getLeft(), new ImmutablePair<>(null, null), resourceCache));
                resourceCache.deallocateFlow(flow);
                Values values = new Values(Utils.MAPPER.writeValueAsString(new CommandMessage(request, System.currentTimeMillis(), UUID.randomUUID().toString(), Destination.WFM)));
                outputCollector.emit(StreamType.WFM_DUMP.toString(), tuple, values);
                logger.info("Flow {} restore command message sent", flow.getLeft().getFlowId());
            } catch (JsonProcessingException exception) {
                logger.error("Could not format flow restore request by flow={}", flow, exception);
            }
        }
    }
}

Example 27 with JsonProcessingException

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException in project open-kilda by telstra.

the class OFELinkBolt method sendNetworkRequest.

/**
 * Send network dump request to FL
 */
private void sendNetworkRequest(Tuple tuple) {
    try {
        logger.debug("Send network dump request");
        CommandMessage command = new CommandMessage(new NetworkCommandData(), System.currentTimeMillis(), Utils.SYSTEM_CORRELATION_ID, Destination.CONTROLLER);
        String json = Utils.MAPPER.writeValueAsString(command);
        collector.emit(islDiscoveryTopic, tuple, new Values(PAYLOAD, json));
    } catch (JsonProcessingException exception) {
        logger.error("Could not serialize network cache request", exception);
    }
}

Example 28 with JsonProcessingException

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException in project open-kilda by telstra.

the class NorthboundReplyBolt method execute.

/**
 * {@inheritDoc}
 */
@Override
public void execute(Tuple tuple) {
    ComponentType componentId = ComponentType.valueOf(tuple.getSourceComponent());
    StreamType streamId = StreamType.valueOf(tuple.getSourceStreamId());
    Message message = (Message) tuple.getValueByField(AbstractTopology.MESSAGE_FIELD);
    Values values = null;
    try {
        logger.debug("Request tuple={}", tuple);
        switch(componentId) {
            case TOPOLOGY_ENGINE_BOLT:
            case CRUD_BOLT:
            case ERROR_BOLT:
                logger.debug("Flow response: {}={}, component={}, stream={}, message={}", Utils.CORRELATION_ID, message.getCorrelationId(), componentId, streamId, message);
                message.setDestination(Destination.NORTHBOUND);
                values = new Values(MAPPER.writeValueAsString(message));
                outputCollector.emit(StreamType.RESPONSE.toString(), tuple, values);
                break;
            default:
                logger.debug("Flow unknown response: {}={}, component={}, stream={}, message={}", Utils.CORRELATION_ID, message.getCorrelationId(), componentId, streamId, message);
                break;
        }
    } catch (JsonProcessingException exception) {
        logger.error("Could not serialize message: component={}, stream={}, message={}", componentId, streamId, message);
    } finally {
        logger.debug("Northbound-Reply message ack: component={}, stream={}, tuple={}, values={}", tuple.getSourceComponent(), tuple.getSourceStreamId(), tuple, values);
        outputCollector.ack(tuple);
    }
}

Example 29 with JsonProcessingException

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException in project open-kilda by telstra.

the class ControllerUtils method addStaticFlow.

public void addStaticFlow(StaticFlowEntry flow) throws JsonProcessingException, FloodlightQueryException {
    Response response;
    String json = Utils.MAPPER.writeValueAsString(flow);
    try {
        response = restClient.target(DefaultParameters.FLOODLIGHT_ENDPOINT).path("/wm/staticentrypusher/json").request().accept(MediaType.APPLICATION_JSON).post(Entity.json(json));
    } catch (ProcessingException e) {
        throw new FloodlightQueryException(e);
    }
    if (response.getStatus() != 200) {
        throw new FloodlightQueryException(201, response.getStatus());
    }
}

Example 30 with JsonProcessingException

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonProcessingException 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;
}