Examples with Flow org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow used on opensource projects

Example 31 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class NatUtil method removePreDnatToSnatTableEntry.

public static void removePreDnatToSnatTableEntry(IMdsalApiManager mdsalManager, BigInteger naptDpnId, WriteTransaction removeFlowInvTx) {
    LOG.debug("removePreDnatToSnatTableEntry : Remove Pre-DNAT table {} --> table {} flow on NAPT DpnId {} ", NwConstants.PDNAT_TABLE, NwConstants.INBOUND_NAPT_TABLE, naptDpnId);
    String flowRef = getFlowRefPreDnatToSnat(naptDpnId, NwConstants.PDNAT_TABLE, "PreDNATToSNAT");
    Flow preDnatToSnatTableFlowEntity = MDSALUtil.buildFlowNew(NwConstants.PDNAT_TABLE, flowRef, 5, flowRef, 0, 0, NwConstants.COOKIE_DNAT_TABLE, null, null);
    mdsalManager.removeFlowToTx(naptDpnId, preDnatToSnatTableFlowEntity, removeFlowInvTx);
    LOG.debug("removePreDnatToSnatTableEntry: Successfully removed Pre-DNAT flow {} on NAPT DpnId = {}", preDnatToSnatTableFlowEntity, naptDpnId);
}

Example 32 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class RouterDpnChangeListener method removeSNATFromDPN.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
void removeSNATFromDPN(BigInteger dpnId, String routerName, long routerId, long routerVpnId, Uuid extNetworkId, WriteTransaction removeFlowInvTx) {
    // irrespective of naptswitch or non-naptswitch, SNAT default miss entry need to be removed
    // remove miss entry to NAPT switch
    // if naptswitch elect new switch and install Snat flows and remove those flows in oldnaptswitch
    Collection<String> externalIpCache = NatUtil.getExternalIpsForRouter(dataBroker, routerId);
    ProviderTypes extNwProvType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerName, extNetworkId);
    if (extNwProvType == null) {
        return;
    }
    // Get the external IP labels other than VXLAN provider type. Since label is not applicable for VXLAN
    Map<String, Long> externalIpLabel;
    if (extNwProvType == ProviderTypes.VXLAN) {
        externalIpLabel = null;
    } else {
        externalIpLabel = NatUtil.getExternalIpsLabelForRouter(dataBroker, routerId);
    }
    BigInteger naptSwitch = NatUtil.getPrimaryNaptfromRouterName(dataBroker, routerName);
    if (naptSwitch == null || naptSwitch.equals(BigInteger.ZERO)) {
        LOG.error("removeSNATFromDPN : No naptSwitch is selected for router {}", routerName);
        return;
    }
    try {
        boolean naptStatus = naptSwitchHA.isNaptSwitchDown(routerName, routerId, dpnId, naptSwitch, routerVpnId, externalIpCache, removeFlowInvTx);
        if (!naptStatus) {
            LOG.debug("removeSNATFromDPN: Switch with DpnId {} is not naptSwitch for router {}", dpnId, routerName);
            long groupId = NatUtil.createGroupId(NatUtil.getGroupIdKey(routerName), idManager);
            FlowEntity flowEntity = null;
            try {
                flowEntity = naptSwitchHA.buildSnatFlowEntity(dpnId, routerName, groupId, routerVpnId, NatConstants.DEL_FLOW);
                if (flowEntity == null) {
                    LOG.error("removeSNATFromDPN : Failed to populate flowentity for router:{} " + "with dpnId:{} groupId:{}", routerName, dpnId, groupId);
                    return;
                }
                LOG.debug("removeSNATFromDPN : Removing default SNAT miss entry flow entity {}", flowEntity);
                mdsalManager.removeFlowToTx(flowEntity, removeFlowInvTx);
            } catch (Exception ex) {
                LOG.error("removeSNATFromDPN : Failed to remove default SNAT miss entry flow entity {}", flowEntity, ex);
                return;
            }
            LOG.debug("removeSNATFromDPN : Removed default SNAT miss entry flow for dpnID {} with routername {}", dpnId, routerName);
            // remove group
            GroupEntity groupEntity = null;
            try {
                groupEntity = MDSALUtil.buildGroupEntity(dpnId, groupId, routerName, GroupTypes.GroupAll, Collections.emptyList());
                LOG.info("removeSNATFromDPN : Removing NAPT GroupEntity:{}", groupEntity);
                mdsalManager.removeGroup(groupEntity);
            } catch (Exception ex) {
                LOG.error("removeSNATFromDPN : Failed to remove group entity {}", groupEntity, ex);
                return;
            }
            LOG.debug("removeSNATFromDPN : Removed default SNAT miss entry flow for dpnID {} with routerName {}", dpnId, routerName);
        } else {
            naptSwitchHA.removeSnatFlowsInOldNaptSwitch(routerName, routerId, naptSwitch, externalIpLabel, removeFlowInvTx);
            // remove table 26 flow ppointing to table46
            FlowEntity flowEntity = null;
            try {
                flowEntity = naptSwitchHA.buildSnatFlowEntityForNaptSwitch(dpnId, routerName, routerVpnId, NatConstants.DEL_FLOW);
                if (flowEntity == null) {
                    LOG.error("removeSNATFromDPN : Failed to populate flowentity for router {} with dpnId {}", routerName, dpnId);
                    return;
                }
                LOG.debug("removeSNATFromDPN : Removing default SNAT miss entry flow entity for router {} with " + "dpnId {} in napt switch {}", routerName, dpnId, naptSwitch);
                mdsalManager.removeFlowToTx(flowEntity, removeFlowInvTx);
            } catch (Exception ex) {
                LOG.error("removeSNATFromDPN : Failed to remove default SNAT miss entry flow entity {}", flowEntity, ex);
                return;
            }
            LOG.debug("removeSNATFromDPN : Removed default SNAT miss entry flow for dpnID {} with routername {}", dpnId, routerName);
            // best effort to check IntExt model
            naptSwitchHA.bestEffortDeletion(routerId, routerName, externalIpLabel, removeFlowInvTx);
        }
    } catch (Exception ex) {
        LOG.error("removeSNATFromDPN : Exception while handling naptSwitch down for router {}", routerName, ex);
    }
}

Example 33 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class FloatingIPListener method removeNATFlowEntries.

void removeNATFlowEntries(String interfaceName, final InternalToExternalPortMap mapping, InstanceIdentifier<RouterPorts> portIid, final String routerName, BigInteger dpnId, WriteTransaction removeFlowInvTx) {
    String internalIp = mapping.getInternalIp();
    String externalIp = mapping.getExternalIp();
    // Get the DPN on which this interface resides
    if (dpnId == null) {
        dpnId = NatUtil.getDpnForInterface(interfaceManager, interfaceName);
        if (dpnId.equals(BigInteger.ZERO)) {
            LOG.warn("removeNATFlowEntries: Abort processing Floating ip configuration. No DPN for port: {}", interfaceName);
            return;
        }
    }
    long routerId = NatUtil.getVpnId(dataBroker, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("removeNATFlowEntries : Could not retrieve router id for {} to remove NAT Flow entries", routerName);
        return;
    }
    // Delete the DNAT and SNAT table entries
    removeDNATTblEntry(dpnId, internalIp, externalIp, routerId, removeFlowInvTx);
    Uuid extNwId = getExtNetworkId(portIid, LogicalDatastoreType.OPERATIONAL);
    if (extNwId == null) {
        LOG.error("removeNATFlowEntries : External network associated with interface {} could not be retrieved", interfaceName);
        return;
    }
    long vpnId = getVpnId(extNwId, mapping.getExternalId());
    if (vpnId < 0) {
        LOG.error("removeNATFlowEntries : No VPN associated with ext nw {}. Unable to delete SNAT table " + "entry for fixed ip {}", extNwId, internalIp);
        return;
    }
    removeSNATTblEntry(dpnId, internalIp, externalIp, routerId, vpnId, removeFlowInvTx);
    // Remove the DNAT default FIB flow L3_FIB_TABLE (21) -> PSNAT_TABLE (26) if SNAT is disabled
    boolean isSnatEnabled = NatUtil.isSnatEnabledForRouterId(dataBroker, routerName);
    if (!isSnatEnabled) {
        addOrDelDefaultFibRouteForDnat(dpnId, routerName, routerId, removeFlowInvTx, false);
    }
    ProviderTypes provType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerName, extNwId);
    if (provType == null) {
        LOG.error("removeNATFlowEntries : External Network Provider Type missing");
        return;
    }
    if (provType == ProviderTypes.VXLAN) {
        floatingIPHandler.onRemoveFloatingIp(dpnId, routerName, routerId, extNwId, mapping, NatConstants.DEFAULT_L3VNI_VALUE, removeFlowInvTx);
        removeOperationalDS(routerName, interfaceName, internalIp);
        return;
    }
    long label = getOperationalIpMapping(routerName, interfaceName, internalIp);
    if (label < 0) {
        LOG.error("removeNATFlowEntries : Could not retrieve label for prefix {} in router {}", internalIp, routerId);
        return;
    }
    floatingIPHandler.onRemoveFloatingIp(dpnId, routerName, routerId, extNwId, mapping, (int) label, removeFlowInvTx);
    removeOperationalDS(routerName, interfaceName, internalIp);
}

Example 34 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class FloatingIPListener method createNATFlowEntries.

void createNATFlowEntries(String interfaceName, final InternalToExternalPortMap mapping, final InstanceIdentifier<RouterPorts> portIid, final String routerName, WriteTransaction writeFlowInvTx) {
    if (!validateIpMapping(mapping)) {
        LOG.error("createNATFlowEntries : Not a valid ip addresses in the mapping {}", mapping);
        return;
    }
    // Get the DPN on which this interface resides
    BigInteger dpnId = NatUtil.getDpnForInterface(interfaceManager, interfaceName);
    if (dpnId.equals(BigInteger.ZERO)) {
        LOG.warn("createNATFlowEntries : No DPN for interface {}. NAT flow entries for ip mapping {} will " + "not be installed", interfaceName, mapping);
        return;
    }
    long routerId = NatUtil.getVpnId(dataBroker, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("createNATFlowEntries : Could not retrieve router id for {} to create NAT Flow entries", routerName);
        return;
    }
    // Check if the router to vpn association is present
    // long associatedVpnId = NatUtil.getAssociatedVpn(dataBroker, routerName);
    Uuid associatedVpn = NatUtil.getVpnForRouter(dataBroker, routerName);
    long associatedVpnId = NatConstants.INVALID_ID;
    if (associatedVpn == null) {
        LOG.debug("createNATFlowEntries : Router {} is not assicated with any BGP VPN instance", routerName);
    } else {
        LOG.debug("createNATFlowEntries : Router {} is associated with VPN Instance with Id {}", routerName, associatedVpn);
        associatedVpnId = NatUtil.getVpnId(dataBroker, associatedVpn.getValue());
        LOG.debug("createNATFlowEntries : vpninstance Id is {} for VPN {}", associatedVpnId, associatedVpn);
    // routerId = associatedVpnId;
    }
    Uuid extNwId = getExtNetworkId(portIid, LogicalDatastoreType.CONFIGURATION);
    if (extNwId == null) {
        LOG.error("createNATFlowEntries : External network associated with interface {} could not be retrieved", interfaceName);
        return;
    }
    long vpnId = getVpnId(extNwId, mapping.getExternalId());
    if (vpnId < 0) {
        LOG.error("createNATFlowEntries : No VPN associated with Ext nw {}. Unable to create SNAT table entry " + "for fixed ip {}", extNwId, mapping.getInternalIp());
        return;
    }
    // Install the DNAT default FIB flow L3_FIB_TABLE (21) -> PSNAT_TABLE (26) if SNAT is disabled
    boolean isSnatEnabled = NatUtil.isSnatEnabledForRouterId(dataBroker, routerName);
    if (!isSnatEnabled) {
        addOrDelDefaultFibRouteForDnat(dpnId, routerName, routerId, writeFlowInvTx, true);
    }
    // Create the DNAT and SNAT table entries
    createDNATTblEntry(dpnId, mapping, routerId, associatedVpnId, writeFlowInvTx);
    createSNATTblEntry(dpnId, mapping, vpnId, routerId, associatedVpnId, extNwId, writeFlowInvTx);
    floatingIPHandler.onAddFloatingIp(dpnId, routerName, routerId, extNwId, interfaceName, mapping, writeFlowInvTx);
}

Example 35 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class InterfaceStateEventListener method removeSnatEntriesForPort.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void removeSnatEntriesForPort(String interfaceName, String routerName) {
    Long routerId = NatUtil.getVpnId(dataBroker, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("removeSnatEntriesForPort : routerId not found for routername {}", routerName);
        return;
    }
    BigInteger naptSwitch = getNaptSwitchforRouter(dataBroker, routerName);
    if (naptSwitch == null || naptSwitch.equals(BigInteger.ZERO)) {
        LOG.error("removeSnatEntriesForPort : NaptSwitch is not elected for router {} with Id {}", routerName, routerId);
        return;
    }
    // getInternalIp for port
    List<String> fixedIps = getFixedIpsForPort(interfaceName);
    if (fixedIps == null) {
        LOG.warn("removeSnatEntriesForPort : Internal Ips not found for InterfaceName {} in router {} with id {}", interfaceName, routerName, routerId);
        return;
    }
    for (String internalIp : fixedIps) {
        LOG.debug("removeSnatEntriesForPort : Internal Ip retrieved for interface {} is {} in router with Id {}", interfaceName, internalIp, routerId);
        IpPort ipPort = NatUtil.getInternalIpPortInfo(dataBroker, routerId, internalIp);
        if (ipPort == null) {
            LOG.debug("removeSnatEntriesForPort : no snatint-ip-port-map found for ip:{}", internalIp);
            continue;
        }
        for (IntIpProtoType protoType : ipPort.getIntIpProtoType()) {
            ProtocolTypes protocol = protoType.getProtocol();
            for (Integer portnum : protoType.getPorts()) {
                // build and remove the flow in outbound table
                try {
                    removeNatFlow(naptSwitch, NwConstants.OUTBOUND_NAPT_TABLE, routerId, internalIp, portnum);
                } catch (Exception ex) {
                    LOG.error("removeSnatEntriesForPort : Failed to remove snat flow for internalIP {} with " + "Port {} protocol {} for routerId {} in OUTBOUNDTABLE of NaptSwitch {}", internalIp, portnum, protocol, routerId, naptSwitch, ex);
                }
                // Get the external IP address and the port from the model
                NAPTEntryEvent.Protocol proto = protocol.toString().equals(ProtocolTypes.TCP.toString()) ? NAPTEntryEvent.Protocol.TCP : NAPTEntryEvent.Protocol.UDP;
                IpPortExternal ipPortExternal = NatUtil.getExternalIpPortMap(dataBroker, routerId, internalIp, String.valueOf(portnum), proto);
                if (ipPortExternal == null) {
                    LOG.error("removeSnatEntriesForPort : Mapping for internalIp {} with port {} is not found in " + "router with Id {}", internalIp, portnum, routerId);
                    return;
                }
                String externalIpAddress = ipPortExternal.getIpAddress();
                Integer portNumber = ipPortExternal.getPortNum();
                // build and remove the flow in inboundtable
                try {
                    removeNatFlow(naptSwitch, NwConstants.INBOUND_NAPT_TABLE, routerId, externalIpAddress, portNumber);
                } catch (Exception ex) {
                    LOG.error("removeSnatEntriesForPort : Failed to remove snat flow internalIP {} with " + "Port {} protocol {} for routerId {} in INBOUNDTABLE of naptSwitch {}", externalIpAddress, portNumber, protocol, routerId, naptSwitch, ex);
                }
                String internalIpPort = internalIp + ":" + portnum;
                // delete the entry from IntExtIpPortMap DS
                try {
                    naptManager.removeFromIpPortMapDS(routerId, internalIpPort, proto);
                    naptManager.removePortFromPool(internalIpPort, externalIpAddress);
                } catch (Exception ex) {
                    LOG.error("removeSnatEntriesForPort : releaseIpExtPortMapping failed, Removal of " + "ipportmap {} for router {} failed", internalIpPort, routerId, ex);
                }
            }
        }
        // delete the entry from SnatIntIpPortMap DS
        LOG.debug("removeSnatEntriesForPort : Removing InternalIp:{} on router {}", internalIp, routerId);
        naptManager.removeFromSnatIpPortDS(routerId, internalIp);
    }
}