Examples with Metadata org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata used on opensource projects

Example 6 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata in project netvirt by opendaylight.

the class SubnetRoutePacketInHandler method onPacketReceived.

@Override
public void onPacketReceived(PacketReceived notification) {
    short tableId = notification.getTableId().getValue();
    LOG.trace("{} onPacketReceived: Packet punted from table {}", LOGGING_PREFIX, tableId);
    byte[] data = notification.getPayload();
    if (notification.getMatch() == null || notification.getMatch().getMetadata() == null) {
        LOG.error("{} onPacketReceived: Received from table {} where the match or metadata are null", LOGGING_PREFIX, tableId);
        return;
    }
    BigInteger metadata = notification.getMatch().getMetadata().getMetadata();
    Ethernet res = new Ethernet();
    if (tableId == NwConstants.L3_SUBNET_ROUTE_TABLE) {
        LOG.trace("{} onPacketReceived: Some packet received as {}", LOGGING_PREFIX, notification);
        try {
            res.deserialize(data, 0, data.length * NetUtils.NUM_BITS_IN_A_BYTE);
        } catch (PacketException e) {
            LOG.error("{} onPacketReceived: Failed to decode Packet ", LOGGING_PREFIX, e);
            VpnManagerCounters.subnet_route_packet_failed.inc();
            return;
        }
        try {
            Packet pkt = res.getPayload();
            if (pkt instanceof IPv4) {
                IPv4 ipv4 = (IPv4) pkt;
                byte[] srcIp = Ints.toByteArray(ipv4.getSourceAddress());
                byte[] dstIp = Ints.toByteArray(ipv4.getDestinationAddress());
                String dstIpStr = NWUtil.toStringIpAddress(dstIp);
                String srcIpStr = NWUtil.toStringIpAddress(srcIp);
                // It is an ARP request on a configured VPN. So we must
                // attempt to respond.
                long vpnId = MetaDataUtil.getVpnIdFromMetadata(metadata);
                LOG.info("{} onPacketReceived: Processing IPv4 Packet received with Source IP {} and Target IP {}" + " and vpnId {}", LOGGING_PREFIX, srcIpStr, dstIpStr, vpnId);
                Optional<VpnIds> vpnIdsOptional = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId));
                if (!vpnIdsOptional.isPresent()) {
                    // Donot trigger subnetroute logic for packets from
                    // unknown VPNs
                    VpnManagerCounters.subnet_route_packet_ignored.inc();
                    LOG.info("{} onPacketReceived: Ignoring IPv4 packet with destination Ip {} and source Ip {}" + " as it came on unknown VPN with ID {}", LOGGING_PREFIX, dstIpStr, srcIpStr, vpnId);
                    return;
                }
                String vpnIdVpnInstanceName = vpnIdsOptional.get().getVpnInstanceName();
                if (VpnUtil.getNeutronPortFromVpnPortFixedIp(dataBroker, vpnIdVpnInstanceName, dstIpStr) != null) {
                    VpnManagerCounters.subnet_route_packet_ignored.inc();
                    LOG.info("{} onPacketReceived: IPv4 Packet received with Target IP {} source IP {} vpnId {} " + "is a valid Neutron port,ignoring subnet route processing", LOGGING_PREFIX, dstIpStr, srcIp, vpnId);
                    return;
                }
                if (VpnUtil.getLearntVpnVipToPort(dataBroker, vpnIdVpnInstanceName, dstIpStr) != null) {
                    VpnManagerCounters.subnet_route_packet_ignored.inc();
                    LOG.info("{} onPacketReceived: IPv4 Packet received with Target IP {} source Ip {} vpnId {}" + " is an already discovered IPAddress, ignoring subnet route processing", LOGGING_PREFIX, dstIpStr, srcIp, vpnId);
                    return;
                }
                long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
                if (elanTag == 0L) {
                    VpnManagerCounters.subnet_route_packet_failed.inc();
                    LOG.error("{} onPacketReceived: elanTag value from metadata found to be 0, for IPv4 " + " Packet received with Target IP {} src Ip {} vpnId {}", LOGGING_PREFIX, dstIpStr, srcIp, vpnId);
                    return;
                }
                if (!vpnIdsOptional.get().isExternalVpn()) {
                    handleInternalVpnSubnetRoutePacket(metadata, dstIp, srcIpStr, dstIpStr, ipv4.getDestinationAddress(), vpnIdVpnInstanceName, elanTag);
                    return;
                }
                byte[] srcMac = res.getSourceMACAddress();
                handleBgpVpnSubnetRoute(ipv4, srcMac, dstIp, dstIpStr, srcIpStr, elanTag);
            }
        } catch (UnknownHostException | InterruptedException | ExecutionException ex) {
            // Failed to handle packet
            VpnManagerCounters.subnet_route_packet_failed.inc();
            LOG.error("{} onPacketReceived: Failed to handle subnetroute packet.", LOGGING_PREFIX, ex);
        }
        return;
    }
// All Arp responses learning for invisble IPs is handled by
// ArpNotificationHandler
}

Example 7 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata in project netvirt by opendaylight.

the class AclServiceUtils method buildMatchesForLPortTagAndRemoteAclTag.

public static List<MatchInfoBase> buildMatchesForLPortTagAndRemoteAclTag(Integer lportTag, Integer remoteAclTag, Class<? extends ServiceModeBase> serviceMode) {
    List<MatchInfoBase> matches = new ArrayList<>();
    if (serviceMode != null && serviceMode.isAssignableFrom(ServiceModeEgress.class)) {
        matches.add(AclServiceUtils.buildLPortTagMatch(lportTag, serviceMode));
        matches.add(AclServiceUtils.buildRemoteAclTagMetadataMatch(remoteAclTag));
    } else {
        // In case of ingress service mode, only metadata is used for
        // matching both lportTag and aclTag. Hence performing "or"
        // operation on both lportTag and aclTag metadata.
        BigInteger metaData = MetaDataUtil.getLportTagMetaData(lportTag).or(getRemoteAclTagMetadata(BigInteger.valueOf(remoteAclTag)));
        BigInteger metaDataMask = MetaDataUtil.METADATA_MASK_LPORT_TAG.or(MetaDataUtil.METADATA_MASK_REMOTE_ACL_TAG);
        matches.add(new MatchMetadata(metaData, metaDataMask));
    }
    return matches;
}

Example 8 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata in project netvirt by opendaylight.

the class EvpnSnatFlowProgrammer method removeTunnelTableEntry.

public void removeTunnelTableEntry(BigInteger dpnId, long l3Vni, WriteTransaction removeFlowInvTx) {
    LOG.debug("removeTunnelTableEntry : Remove terminating service table {} --> table {} flow on NAPT DpnId {} " + "with l3Vni {} as matching parameter", NwConstants.INTERNAL_TUNNEL_TABLE, NwConstants.INBOUND_NAPT_TABLE, dpnId, l3Vni);
    List<MatchInfo> mkMatches = new ArrayList<>();
    // Matching metadata
    mkMatches.add(new MatchTunnelId(BigInteger.valueOf(l3Vni)));
    Flow flowEntity = MDSALUtil.buildFlowNew(NwConstants.INTERNAL_TUNNEL_TABLE, NatEvpnUtil.getFlowRef(dpnId, NwConstants.INTERNAL_TUNNEL_TABLE, l3Vni, NatConstants.SNAT_FLOW_NAME), 5, String.format("%s:%d", "TST Flow Entry ", l3Vni), 0, 0, COOKIE_TUNNEL.add(BigInteger.valueOf(l3Vni)), mkMatches, null);
    mdsalManager.removeFlowToTx(dpnId, flowEntity, removeFlowInvTx);
    LOG.debug("removeTunnelTableEntry : Successfully removed terminating service table flow {} on DpnId {}", flowEntity, dpnId);
}

Example 9 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata in project netvirt by opendaylight.

the class NaptEventHandler method prepareAndSendPacketOut.

private void prepareAndSendPacketOut(NAPTEntryEvent naptEntryEvent, Long routerId) {
    // Send Packetout - tcp or udp packets which got punted to controller.
    BigInteger metadata = naptEntryEvent.getPacketReceived().getMatch().getMetadata().getMetadata();
    byte[] inPayload = naptEntryEvent.getPacketReceived().getPayload();
    Ethernet ethPkt = new Ethernet();
    if (inPayload != null) {
        try {
            ethPkt.deserialize(inPayload, 0, inPayload.length * NetUtils.NUM_BITS_IN_A_BYTE);
        } catch (PacketException e) {
            LOG.error("prepareAndSendPacketOut : Failed to decode Packet", e);
            return;
        }
    }
    long portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
    LOG.debug("prepareAndSendPacketOut : portTag from incoming packet is {}", portTag);
    String interfaceName = getInterfaceNameFromTag(portTag);
    LOG.debug("prepareAndSendPacketOut : interfaceName fetched from portTag is {}", interfaceName);
    org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface = null;
    int vlanId = 0;
    iface = interfaceManager.getInterfaceInfoFromConfigDataStore(interfaceName);
    if (iface == null) {
        LOG.error("prepareAndSendPacketOut : Unable to read interface {} from config DataStore", interfaceName);
        return;
    }
    List<ActionInfo> actionInfos = new ArrayList<>();
    IfL2vlan ifL2vlan = iface.getAugmentation(IfL2vlan.class);
    if (ifL2vlan != null && ifL2vlan.getVlanId() != null) {
        vlanId = ifL2vlan.getVlanId().getValue() == null ? 0 : ifL2vlan.getVlanId().getValue();
    }
    InterfaceInfo infInfo = interfaceManager.getInterfaceInfoFromOperationalDataStore(interfaceName);
    if (infInfo == null) {
        LOG.error("prepareAndSendPacketOut : error in getting interfaceInfo from Operation DS");
        return;
    }
    byte[] pktOut = buildNaptPacketOut(ethPkt);
    if (ethPkt.getEtherType() != (short) NwConstants.ETHTYPE_802_1Q) {
        // VLAN Access port
        LOG.debug("prepareAndSendPacketOut : vlanId is {}", vlanId);
        if (vlanId != 0) {
            // Push vlan
            actionInfos.add(new ActionPushVlan(0));
            actionInfos.add(new ActionSetFieldVlanVid(1, vlanId));
        } else {
            LOG.debug("prepareAndSendPacketOut : No vlanId {}, may be untagged", vlanId);
        }
    } else {
        // VLAN Trunk Port
        LOG.debug("prepareAndSendPacketOut : This is VLAN Trunk port case - need not do VLAN tagging again");
    }
    if (pktOut != null) {
        String routerName = NatUtil.getRouterName(dataBroker, routerId);
        long tunId = NatUtil.getTunnelIdForNonNaptToNaptFlow(dataBroker, elanManager, idManager, routerId, routerName);
        sendNaptPacketOut(pktOut, infInfo, actionInfos, tunId);
    } else {
        LOG.warn("prepareAndSendPacketOut : Unable to send Packet Out");
    }
}

Example 10 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata 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");
    }
}