Examples with SegmentId org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.SegmentId used on opensource projects

Example 6 with SegmentId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.SegmentId in project netvirt by opendaylight.

the class NaptManager method getExternalAddressMapping.

/**
 * method to get external ip/port mapping when provided with internal ip/port pair
 * If already a mapping exist for the given input, then the existing mapping is returned
 * instead of overwriting with new ip/port pair.
 *
 * @param segmentId     - Router ID
 * @param sourceAddress - internal ip address/port pair
 * @param protocol      - TCP/UDP
 * @return external ip address/port
 */
// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public SessionAddress getExternalAddressMapping(long segmentId, SessionAddress sourceAddress, NAPTEntryEvent.Protocol protocol) {
    LOG.debug("getExternalAddressMapping : called with segmentId {}, internalIp {} and port {}", segmentId, sourceAddress.getIpAddress(), sourceAddress.getPortNumber());
    /*
         1. Get Internal IP, Port in IP:Port format
         2. Inside DB with routerId get the list of entries and check if it matches with existing IP:Port
         3. If True return SessionAddress of ExternalIp and Port
         4. Else check ip Map and Form the ExternalIp and Port and update DB and then return ExternalIp and Port
         */
    // SessionAddress externalIpPort = new SessionAddress();
    String internalIpPort = sourceAddress.getIpAddress() + ":" + sourceAddress.getPortNumber();
    // First check existing Port Map.
    SessionAddress existingIpPort = checkIpPortMap(segmentId, internalIpPort, protocol);
    if (existingIpPort != null) {
        // populate externalIpPort from IpPortMap and return
        LOG.debug("getExternalAddressMapping : successfully returning existingIpPort as {} and {}", existingIpPort.getIpAddress(), existingIpPort.getPortNumber());
        return existingIpPort;
    } else {
        // Now check in ip-map
        String externalIp = checkIpMap(segmentId, sourceAddress.getIpAddress());
        if (externalIp == null) {
            LOG.error("getExternalAddressMapping : Unexpected error, internal to external " + "ip map does not exist");
            return null;
        } else {
            /* Logic assuming internalIp is always ip and not subnet
                  * case 1: externalIp is ip
                  *        a) goto externalIp pool and getPort and return
                  *        b) else return error
                  * case 2: externalIp is subnet
                  *        a) Take first externalIp and goto that Pool and getPort
                  *             if port -> return
                  *             else Take second externalIp and create that Pool and getPort
                  *             if port ->return
                  *             else
                  *             Continue same with third externalIp till we exhaust subnet
                  *        b) Nothing worked return error
                  */
            SubnetUtils externalIpSubnet;
            List<String> allIps = new ArrayList<>();
            String subnetPrefix = "/" + String.valueOf(NatConstants.DEFAULT_PREFIX);
            boolean extSubnetFlag = false;
            if (!externalIp.contains(subnetPrefix)) {
                extSubnetFlag = true;
                externalIpSubnet = new SubnetUtils(externalIp);
                allIps = Arrays.asList(externalIpSubnet.getInfo().getAllAddresses());
                LOG.debug("getExternalAddressMapping : total count of externalIps available {}", externalIpSubnet.getInfo().getAddressCount());
            } else {
                LOG.debug("getExternalAddressMapping : getExternalAddress single ip case");
                if (externalIp.contains(subnetPrefix)) {
                    // remove /32 what we got from checkIpMap
                    externalIp = externalIp.substring(0, externalIp.indexOf(subnetPrefix));
                }
                allIps.add(externalIp);
            }
            boolean nextExtIpFlag = false;
            for (String extIp : allIps) {
                LOG.info("getExternalAddressMapping : Looping externalIPs with externalIP now as {}", extIp);
                if (nextExtIpFlag) {
                    createNaptPortPool(extIp);
                    LOG.debug("getExternalAddressMapping : Created Pool for next Ext IP {}", extIp);
                }
                AllocateIdInput getIdInput = new AllocateIdInputBuilder().setPoolName(extIp).setIdKey(internalIpPort).build();
                try {
                    Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
                    RpcResult<AllocateIdOutput> rpcResult;
                    if (result != null && result.get().isSuccessful()) {
                        LOG.debug("getExternalAddressMapping : Got id from idManager");
                        rpcResult = result.get();
                    } else {
                        LOG.error("getExternalAddressMapping : getExternalAddressMapping, idManager could not " + "allocate id retry if subnet");
                        if (!extSubnetFlag) {
                            LOG.error("getExternalAddressMapping : getExternalAddressMapping returning null " + "for single IP case, may be ports exhausted");
                            return null;
                        }
                        LOG.debug("getExternalAddressMapping : Could be ports exhausted case, " + "try with another externalIP if possible");
                        nextExtIpFlag = true;
                        continue;
                    }
                    int extPort = rpcResult.getResult().getIdValue().intValue();
                    // Write to ip-port-map before returning
                    IpPortExternalBuilder ipExt = new IpPortExternalBuilder();
                    IpPortExternal ipPortExt = ipExt.setIpAddress(extIp).setPortNum(extPort).build();
                    IpPortMap ipm = new IpPortMapBuilder().setKey(new IpPortMapKey(internalIpPort)).setIpPortInternal(internalIpPort).setIpPortExternal(ipPortExt).build();
                    LOG.debug("getExternalAddressMapping : writing into ip-port-map with " + "externalIP {} and port {}", ipPortExt.getIpAddress(), ipPortExt.getPortNum());
                    try {
                        MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, getIpPortMapIdentifier(segmentId, internalIpPort, protocol), ipm);
                    } catch (UncheckedExecutionException uee) {
                        LOG.error("getExternalAddressMapping : Failed to write into ip-port-map with exception", uee);
                    }
                    // Write to snat-internal-ip-port-info
                    String internalIpAddress = sourceAddress.getIpAddress();
                    int ipPort = sourceAddress.getPortNumber();
                    ProtocolTypes protocolType = NatUtil.getProtocolType(protocol);
                    List<Integer> portList = new ArrayList<>(NatUtil.getInternalIpPortListInfo(dataBroker, segmentId, internalIpAddress, protocolType));
                    portList.add(ipPort);
                    IntIpProtoTypeBuilder builder = new IntIpProtoTypeBuilder();
                    IntIpProtoType intIpProtocolType = builder.setKey(new IntIpProtoTypeKey(protocolType)).setPorts(portList).build();
                    try {
                        MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, NatUtil.buildSnatIntIpPortIdentifier(segmentId, internalIpAddress, protocolType), intIpProtocolType);
                    } catch (Exception ex) {
                        LOG.error("getExternalAddressMapping : Failed to write into snat-internal-ip-port-info " + "with exception", ex);
                    }
                    SessionAddress externalIpPort = new SessionAddress(extIp, extPort);
                    LOG.debug("getExternalAddressMapping : successfully returning externalIP {} " + "and port {}", externalIpPort.getIpAddress(), externalIpPort.getPortNumber());
                    return externalIpPort;
                } catch (InterruptedException | ExecutionException e) {
                    LOG.error("getExternalAddressMapping : Exception caught", e);
                    return null;
                }
            }
        // end of for loop
        }
    // end of else ipmap present
    }
    // end of else check ipmap
    LOG.error("getExternalAddressMapping : Unable to handle external IP address and port mapping with segmentId {}," + "internalIp {} and internalPort {}", segmentId, sourceAddress.getIpAddress(), sourceAddress.getPortNumber());
    return null;
}

Example 7 with SegmentId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.SegmentId 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 8 with SegmentId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.SegmentId in project netvirt by opendaylight.

the class ExternalRoutersListener method subnetRegisterMapping.

protected void subnetRegisterMapping(Routers routerEntry, Uint32 segmentId) {
    LOG.debug("subnetRegisterMapping : Fetching values from extRouters model");
    List<String> externalIps = NatUtil.getIpsListFromExternalIps(new ArrayList<ExternalIps>(routerEntry.nonnullExternalIps().values()));
    int counter = 0;
    int extIpCounter = externalIps.size();
    LOG.debug("subnetRegisterMapping : counter values before looping counter {} and extIpCounter {}", counter, extIpCounter);
    @Nullable List<Uuid> subnetIds = routerEntry.getSubnetIds();
    if (subnetIds == null) {
        return;
    }
    for (Uuid subnet : subnetIds) {
        LOG.debug("subnetRegisterMapping : Looping internal subnets for subnet {}", subnet);
        InstanceIdentifier<Subnetmap> subnetmapId = InstanceIdentifier.builder(Subnetmaps.class).child(Subnetmap.class, new SubnetmapKey(subnet)).build();
        Optional<Subnetmap> sn;
        try {
            sn = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, subnetmapId);
        } catch (InterruptedException | ExecutionException e) {
            LOG.error("Failed to read SubnetMap for  subnetmap Id {}", subnetmapId, e);
            sn = Optional.empty();
        }
        if (sn.isPresent()) {
            // subnets
            Subnetmap subnetmapEntry = sn.get();
            String subnetString = subnetmapEntry.getSubnetIp();
            String[] subnetSplit = subnetString.split("/");
            String subnetIp = subnetSplit[0];
            try {
                InetAddress address = InetAddress.getByName(subnetIp);
                if (address instanceof Inet6Address) {
                    LOG.debug("subnetRegisterMapping : Skipping ipv6 subnet {} for the router {} with ipv6 address " + "{} ", subnet, routerEntry.getRouterName(), address);
                    continue;
                }
            } catch (UnknownHostException e) {
                LOG.error("subnetRegisterMapping : Invalid ip address {}", subnetIp, e);
                return;
            }
            String subnetPrefix = "0";
            if (subnetSplit.length == 2) {
                subnetPrefix = subnetSplit[1];
            }
            IPAddress subnetAddr = new IPAddress(subnetIp, Integer.parseInt(subnetPrefix));
            LOG.debug("subnetRegisterMapping : subnetAddr is {} and subnetPrefix is {}", subnetAddr.getIpAddress(), subnetAddr.getPrefixLength());
            // externalIps
            LOG.debug("subnetRegisterMapping : counter values counter {} and extIpCounter {}", counter, extIpCounter);
            if (extIpCounter != 0) {
                if (counter < extIpCounter) {
                    String[] ipSplit = externalIps.get(counter).split("/");
                    String externalIp = ipSplit[0];
                    String extPrefix = Short.toString(NatConstants.DEFAULT_PREFIX);
                    if (ipSplit.length == 2) {
                        extPrefix = ipSplit[1];
                    }
                    IPAddress externalIpAddr = new IPAddress(externalIp, Integer.parseInt(extPrefix));
                    LOG.debug("subnetRegisterMapping : externalIp is {} and extPrefix  is {}", externalIpAddr.getIpAddress(), externalIpAddr.getPrefixLength());
                    naptManager.registerMapping(segmentId, subnetAddr, externalIpAddr);
                    LOG.debug("subnetRegisterMapping : Called registerMapping for subnetIp {}, prefix {}, " + "externalIp {}. prefix {}", subnetIp, subnetPrefix, externalIp, extPrefix);
                } else {
                    // Reset the counter which runs on externalIps for round-robbin effect
                    counter = 0;
                    LOG.debug("subnetRegisterMapping : Counter on externalIps got reset");
                    String[] ipSplit = externalIps.get(counter).split("/");
                    String externalIp = ipSplit[0];
                    String extPrefix = Short.toString(NatConstants.DEFAULT_PREFIX);
                    if (ipSplit.length == 2) {
                        extPrefix = ipSplit[1];
                    }
                    IPAddress externalIpAddr = new IPAddress(externalIp, Integer.parseInt(extPrefix));
                    LOG.debug("subnetRegisterMapping : externalIp is {} and extPrefix  is {}", externalIpAddr.getIpAddress(), externalIpAddr.getPrefixLength());
                    naptManager.registerMapping(segmentId, subnetAddr, externalIpAddr);
                    LOG.debug("subnetRegisterMapping : Called registerMapping for subnetIp {}, prefix {}, " + "externalIp {}. prefix {}", subnetIp, subnetPrefix, externalIp, extPrefix);
                }
            }
            counter++;
            LOG.debug("subnetRegisterMapping : Counter on externalIps incremented to {}", counter);
        } else {
            LOG.warn("subnetRegisterMapping : No internal subnets present in extRouters Model");
        }
    }
}

Example 9 with SegmentId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.SegmentId in project netvirt by opendaylight.

the class NaptEventHandler method buildAndGetSetActionInstructionInfo.

@NonNull
private static List<InstructionInfo> buildAndGetSetActionInstructionInfo(String ipAddress, int port, Uint32 segmentId, Uint32 vpnId, short tableId, NAPTEntryEvent.Protocol protocol, String extGwMacAddress) {
    ActionInfo ipActionInfo = null;
    ActionInfo macActionInfo = null;
    ActionInfo portActionInfo = null;
    ArrayList<ActionInfo> listActionInfo = new ArrayList<>();
    ArrayList<InstructionInfo> instructionInfo = new ArrayList<>();
    switch(tableId) {
        case NwConstants.OUTBOUND_NAPT_TABLE:
            ipActionInfo = new ActionSetSourceIp(ipAddress);
            // Added External Gateway MAC Address
            macActionInfo = new ActionSetFieldEthernetSource(new MacAddress(extGwMacAddress));
            if (protocol == NAPTEntryEvent.Protocol.TCP) {
                portActionInfo = new ActionSetTcpSourcePort(port);
            } else if (protocol == NAPTEntryEvent.Protocol.UDP) {
                portActionInfo = new ActionSetUdpSourcePort(port);
            }
            // reset the split-horizon bit to allow traffic from tunnel to be sent back to the provider port
            instructionInfo.add(new InstructionWriteMetadata(MetaDataUtil.getVpnIdMetadata(vpnId.longValue()), Uint64.fromLongBits(MetaDataUtil.METADATA_MASK_VRFID.longValue() | MetaDataUtil.METADATA_MASK_SH_FLAG.longValue())));
            break;
        case NwConstants.INBOUND_NAPT_TABLE:
            ipActionInfo = new ActionSetDestinationIp(ipAddress);
            if (protocol == NAPTEntryEvent.Protocol.TCP) {
                portActionInfo = new ActionSetTcpDestinationPort(port);
            } else if (protocol == NAPTEntryEvent.Protocol.UDP) {
                portActionInfo = new ActionSetUdpDestinationPort(port);
            }
            instructionInfo.add(new InstructionWriteMetadata(MetaDataUtil.getVpnIdMetadata(segmentId.longValue()), MetaDataUtil.METADATA_MASK_VRFID));
            break;
        default:
            LOG.error("buildAndGetSetActionInstructionInfo : Neither OUTBOUND_NAPT_TABLE nor " + "INBOUND_NAPT_TABLE matches with input table id {}", tableId);
            return Collections.emptyList();
    }
    listActionInfo.add(ipActionInfo);
    listActionInfo.add(portActionInfo);
    if (macActionInfo != null) {
        listActionInfo.add(macActionInfo);
        LOG.debug("buildAndGetSetActionInstructionInfo : External GW MAC Address {} is found  ", macActionInfo);
    }
    instructionInfo.add(new InstructionApplyActions(listActionInfo));
    instructionInfo.add(new InstructionGotoTable(NwConstants.NAPT_PFIB_TABLE));
    return instructionInfo;
}

Example 10 with SegmentId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.sr.rev130819.SegmentId in project netvirt by opendaylight.

the class NaptManager method removeIntExtIpMapDS.

protected void removeIntExtIpMapDS(Uint32 segmentId, String internalIp) {
    InstanceIdentifierBuilder<IpMap> idBuilder = InstanceIdentifier.builder(IntextIpMap.class).child(IpMapping.class, new IpMappingKey(segmentId)).child(IpMap.class, new IpMapKey(internalIp));
    InstanceIdentifier<IpMap> id = idBuilder.build();
    LOG.debug("removeIntExtIpMapDS : Removing ipmap from datastore");
    MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
}