Examples with Node org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node used on opensource projects

Example 51 with Node

use of org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node in project netvirt by opendaylight.

the class NaptFlowRemovedEventHandler method onFlowRemoved.

@Override
public void onFlowRemoved(FlowRemoved flowRemoved) {
    /*
        If the removed flow is from the OUTBOUND NAPT table :
        1) Get the ActionInfo of the flow.
        2) From the ActionInfo of the flow get the internal IP address, port and the protocol.
        3) Get the Metadata matching info of the flow.
        4) From the Metadata matching info of the flow get router ID.
        5) Querry the container intext-ip-port-map using the router ID
           and the internal IP address, port to get the external IP address, port
        6) Instantiate an NaptEntry event and populate the external IP address, port and the router ID.
        7) Place the NaptEntry event to the queue.
*/
    short tableId = flowRemoved.getTableId();
    RemovedFlowReason removedReasonFlag = flowRemoved.getReason();
    if (tableId == NwConstants.OUTBOUND_NAPT_TABLE && RemovedFlowReason.OFPRRIDLETIMEOUT.equals(removedReasonFlag)) {
        LOG.info("onFlowRemoved : triggered for table-{} entry", tableId);
        // Get the internal internal IP address and the port number from the IPv4 match.
        Ipv4Prefix internalIpv4Address = null;
        Layer3Match layer3Match = flowRemoved.getMatch().getLayer3Match();
        if (layer3Match instanceof Ipv4Match) {
            Ipv4Match internalIpv4Match = (Ipv4Match) layer3Match;
            internalIpv4Address = internalIpv4Match.getIpv4Source();
        }
        if (internalIpv4Address == null) {
            LOG.error("onFlowRemoved : Matching internal IP is null while retrieving the " + "value from the Outbound NAPT flow");
            return;
        }
        // Get the internal IP as a string
        String internalIpv4AddressAsString = internalIpv4Address.getValue();
        String[] internalIpv4AddressParts = internalIpv4AddressAsString.split("/");
        String internalIpv4HostAddress = null;
        if (internalIpv4AddressParts.length >= 1) {
            internalIpv4HostAddress = internalIpv4AddressParts[0];
        }
        // Get the protocol from the layer4 match
        NAPTEntryEvent.Protocol protocol = null;
        Integer internalPortNumber = null;
        Layer4Match layer4Match = flowRemoved.getMatch().getLayer4Match();
        if (layer4Match instanceof TcpMatch) {
            TcpMatchFields tcpMatchFields = (TcpMatchFields) layer4Match;
            internalPortNumber = tcpMatchFields.getTcpSourcePort().getValue();
            protocol = NAPTEntryEvent.Protocol.TCP;
        } else if (layer4Match instanceof UdpMatch) {
            UdpMatchFields udpMatchFields = (UdpMatchFields) layer4Match;
            internalPortNumber = udpMatchFields.getUdpSourcePort().getValue();
            protocol = NAPTEntryEvent.Protocol.UDP;
        }
        if (protocol == null) {
            LOG.error("onFlowRemoved : Matching protocol is null while retrieving the value " + "from the Outbound NAPT flow");
            return;
        }
        // Get the router ID from the metadata.
        Long routerId;
        BigInteger metadata = flowRemoved.getMatch().getMetadata().getMetadata();
        if (MetaDataUtil.getNatRouterIdFromMetadata(metadata) != 0) {
            routerId = MetaDataUtil.getNatRouterIdFromMetadata(metadata);
        } else {
            LOG.error("onFlowRemoved : Null exception while retrieving routerId");
            return;
        }
        final String internalIpPortKey = routerId + NatConstants.COLON_SEPARATOR + internalIpv4HostAddress + NatConstants.COLON_SEPARATOR + internalPortNumber;
        // Get the external IP address and the port from the model
        IpPortExternal ipPortExternal = NatUtil.getExternalIpPortMap(dataBroker, routerId, internalIpv4HostAddress, internalPortNumber.toString(), protocol);
        if (ipPortExternal == null) {
            LOG.error("onFlowRemoved : IpPortExternal not found, BGP vpn might be " + "associated with router");
            // router must be associated with BGP vpn ID
            long bgpVpnId = routerId;
            LOG.debug("onFlowRemoved : BGP VPN ID {}", bgpVpnId);
            String vpnName = NatUtil.getRouterName(dataBroker, bgpVpnId);
            String routerName = NatUtil.getRouterIdfromVpnInstance(dataBroker, vpnName);
            if (routerName == null) {
                LOG.error("onFlowRemoved : Unable to find router for VpnName {}", vpnName);
                return;
            }
            routerId = NatUtil.getVpnId(dataBroker, routerName);
            LOG.debug("onFlowRemoved : Router ID {}", routerId);
            ipPortExternal = NatUtil.getExternalIpPortMap(dataBroker, routerId, internalIpv4HostAddress, internalPortNumber.toString(), protocol);
            if (ipPortExternal == null) {
                LOG.error("onFlowRemoved : IpPortExternal is null while queried from the " + "model for routerId {}", routerId);
                return;
            }
        }
        String externalIpAddress = ipPortExternal.getIpAddress();
        int externalPortNumber = ipPortExternal.getPortNum();
        // Create an NAPT event and place it in the queue.
        NAPTEntryEvent naptEntryEvent = new NAPTEntryEvent(externalIpAddress, externalPortNumber, routerId, NAPTEntryEvent.Operation.DELETE, protocol, null, false, null);
        naptEventdispatcher.addFlowRemovedNaptEvent(naptEntryEvent);
        // Get the DPN ID from the Node
        InstanceIdentifier<Node> nodeRef = flowRemoved.getNode().getValue().firstIdentifierOf(Node.class);
        String dpn = nodeRef.firstKeyOf(Node.class).getId().getValue();
        BigInteger dpnId = getDpnId(dpn);
        String switchFlowRef = NatUtil.getNaptFlowRef(dpnId, tableId, String.valueOf(routerId), internalIpv4HostAddress, internalPortNumber);
        // Inform the MDSAL manager to inform about the flow removal.
        LOG.debug("onFlowRemoved : DPN ID {}, Metadata {}, SwitchFlowRef {}, " + "internalIpv4HostAddress{}", dpnId, routerId, switchFlowRef, internalIpv4AddressAsString);
        FlowEntity snatFlowEntity = NatUtil.buildFlowEntity(dpnId, tableId, switchFlowRef);
        long startTime = System.currentTimeMillis();
        mdsalManager.removeFlow(snatFlowEntity);
        LOG.debug("onFlowRemoved : Elapsed time fo deleting table-{} flow for snat ({}) session:{}ms", tableId, internalIpPortKey, (System.currentTimeMillis() - startTime));
        // Remove the SourceIP:Port key from the Napt packet handler map.
        naptPacketInHandler.removeIncomingPacketMap(internalIpPortKey);
        // Remove the mapping of internal fixed ip/port to external ip/port from the datastore.
        SessionAddress internalSessionAddress = new SessionAddress(internalIpv4HostAddress, internalPortNumber);
        naptManager.releaseIpExtPortMapping(routerId, internalSessionAddress, protocol);
        LOG.info("onFlowRemoved : exit");
    } else {
        LOG.debug("onFlowRemoved : Received flow removed notification due to flowdelete from switch for flowref");
    }
}

Example 52 with Node

use of org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node in project netvirt by opendaylight.

the class NaptManager method checkIpPortMap.

private SessionAddress checkIpPortMap(long segmentId, String internalIpPort, NAPTEntryEvent.Protocol protocol) {
    LOG.debug("checkIpPortMap : called with segmentId {} and internalIpPort {}", segmentId, internalIpPort);
    ProtocolTypes protocolType = NatUtil.getProtocolType(protocol);
    // check if ip-port-map node is there
    InstanceIdentifierBuilder<IpPortMap> idBuilder = InstanceIdentifier.builder(IntextIpPortMap.class).child(IpPortMapping.class, new IpPortMappingKey(segmentId)).child(IntextIpProtocolType.class, new IntextIpProtocolTypeKey(protocolType)).child(IpPortMap.class, new IpPortMapKey(internalIpPort));
    InstanceIdentifier<IpPortMap> id = idBuilder.build();
    Optional<IpPortMap> ipPortMapType = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
    if (ipPortMapType.isPresent()) {
        LOG.debug("checkIpPortMap : {}", ipPortMapType.get());
        SessionAddress externalIpPort = new SessionAddress(ipPortMapType.get().getIpPortExternal().getIpAddress(), ipPortMapType.get().getIpPortExternal().getPortNum());
        LOG.debug("checkIpPortMap : returning successfully externalIP {} and port {}", externalIpPort.getIpAddress(), externalIpPort.getPortNumber());
        return externalIpPort;
    }
    // return null if not found
    LOG.warn("checkIpPortMap : no-entry in checkIpPortMap, returning NULL [should be OK] for " + "segmentId {} and internalIPPort {}", segmentId, internalIpPort);
    return null;
}

Example 53 with Node

use of org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node in project netvirt by opendaylight.

the class NaptManager method checkIpMap.

protected String checkIpMap(long segmentId, String internalIp) {
    LOG.debug("checkIpMap : called with segmentId {} and internalIp {}", segmentId, internalIp);
    String externalIp;
    // check if ip-map node is there
    InstanceIdentifierBuilder<IpMapping> idBuilder = InstanceIdentifier.builder(IntextIpMap.class).child(IpMapping.class, new IpMappingKey(segmentId));
    InstanceIdentifier<IpMapping> id = idBuilder.build();
    Optional<IpMapping> ipMapping = MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
    if (ipMapping.isPresent()) {
        List<IpMap> ipMaps = ipMapping.get().getIpMap();
        for (IpMap ipMap : ipMaps) {
            if (ipMap.getInternalIp().equals(internalIp)) {
                LOG.debug("checkIpMap : IpMap : {}", ipMap);
                externalIp = ipMap.getExternalIp();
                LOG.debug("checkIpMap : successfully returning externalIp {}", externalIp);
                return externalIp;
            } else if (ipMap.getInternalIp().contains("/")) {
                // subnet case
                SubnetUtils subnetUtils = new SubnetUtils(ipMap.getInternalIp());
                SubnetInfo subnetInfo = subnetUtils.getInfo();
                if (subnetInfo.isInRange(internalIp)) {
                    LOG.debug("checkIpMap : internalIp {} found to be IpMap of internalIpSubnet {}", internalIp, ipMap.getInternalIp());
                    externalIp = ipMap.getExternalIp();
                    LOG.debug("checkIpMap : checkIpMap successfully returning externalIp {}", externalIp);
                    return externalIp;
                }
            }
        }
    }
    // return null if not found
    LOG.error("checkIpMap : failed, returning NULL for segmentId {} and internalIp {}", segmentId, internalIp);
    return null;
}

Example 54 with Node

use of org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node in project netvirt by opendaylight.

the class DisplayNaptSwithcesCli method getPortsNode.

@SuppressWarnings("unchecked")
private Optional<Node> getPortsNode(BigInteger dpnId) {
    InstanceIdentifier<BridgeRefEntry> bridgeRefInfoPath = InstanceIdentifier.create(BridgeRefInfo.class).child(BridgeRefEntry.class, new BridgeRefEntryKey(dpnId));
    Optional<BridgeRefEntry> bridgeRefEntry = SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, bridgeRefInfoPath);
    if (!bridgeRefEntry.isPresent()) {
        return Optional.absent();
    }
    InstanceIdentifier<Node> nodeId = bridgeRefEntry.get().getBridgeReference().getValue().firstIdentifierOf(Node.class);
    return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, nodeId);
}

Example 55 with Node

use of org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node in project netvirt by opendaylight.

the class SnatNodeEventListener method remove.

@Override
public void remove(Node dataObjectModification) {
    NodeKey nodeKey = dataObjectModification.getKey();
    BigInteger dpnId = MDSALUtil.getDpnIdFromNodeName(nodeKey.getId());
    LOG.info("Dpn removed {}", dpnId);
    centralizedSwitchScheduler.removeSwitch(dpnId);
}