Examples with Lock org.opendaylight.yang.gen.v1.urn.opendaylight.genius.lockmanager.rev160413.locks.Lock used on opensource projects

Example 16 with Lock

use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.lockmanager.rev160413.locks.Lock in project netvirt by opendaylight.

the class VpnInterfaceManager method processVpnInterfaceUp.

// "Unconditional wait" and "Wait not in loop" wrt the VpnNotifyTask below - suppressing the FB violation -
// see comments below.
@SuppressFBWarnings({ "UW_UNCOND_WAIT", "WA_NOT_IN_LOOP" })
protected void processVpnInterfaceUp(final BigInteger dpId, VpnInterface vpnInterface, final String primaryRd, final int lportTag, boolean isInterfaceUp, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn, WriteTransaction writeInvTxn, Interface interfaceState, final String vpnName) {
    final String interfaceName = vpnInterface.getName();
    Optional<VpnInterfaceOpDataEntry> optOpVpnInterface = VpnUtil.getVpnInterfaceOpDataEntry(dataBroker, interfaceName, vpnName);
    VpnInterfaceOpDataEntry opVpnInterface = optOpVpnInterface.isPresent() ? optOpVpnInterface.get() : null;
    boolean isBgpVpnInternetVpn = VpnUtil.isBgpVpnInternet(dataBroker, vpnName);
    if (!isInterfaceUp) {
        LOG.info("processVpnInterfaceUp: Binding vpn service to interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
        if (vpnId == VpnConstants.INVALID_ID) {
            LOG.warn("processVpnInterfaceUp: VpnInstance to VPNId mapping not available for VpnName {}" + " processing vpninterface {} on dpn {}, bailing out now.", vpnName, interfaceName, dpId);
            return;
        }
        boolean waitForVpnInterfaceOpRemoval = false;
        if (opVpnInterface != null && !opVpnInterface.isScheduledForRemove()) {
            String opVpnName = opVpnInterface.getVpnInstanceName();
            String primaryInterfaceIp = null;
            if (opVpnName.equals(vpnName)) {
                // Please check if the primary VRF Entry does not exist for VPNInterface
                // If so, we have to process ADD, as this might be a DPN Restart with Remove and Add triggered
                // back to back
                // However, if the primary VRF Entry for this VPNInterface exists, please continue bailing out !
                List<Adjacency> adjs = VpnUtil.getAdjacenciesForVpnInterfaceFromConfig(dataBroker, interfaceName);
                if (adjs == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} failed as adjacencies" + " for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                for (Adjacency adj : adjs) {
                    if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                        primaryInterfaceIp = adj.getIpAddress();
                        break;
                    }
                }
                if (primaryInterfaceIp == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} addition on dpn {} for vpn {} failed" + " as primary adjacency for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                // Get the rd of the vpn instance
                VrfEntry vrf = VpnUtil.getVrfEntry(dataBroker, primaryRd, primaryInterfaceIp);
                if (vrf != null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} already provisioned ," + " bailing out from here.", interfaceName, dpId, vpnName);
                    return;
                }
                waitForVpnInterfaceOpRemoval = true;
            } else {
                LOG.error("processVpnInterfaceUp: vpn interface {} to go to configured vpn {} on dpn {}," + " but in operational vpn {}", interfaceName, vpnName, dpId, opVpnName);
            }
        }
        if (!waitForVpnInterfaceOpRemoval) {
            // Add the VPNInterface and quit
            vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
            true);
            processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState);
            if (!isBgpVpnInternetVpn) {
                VpnUtil.bindService(vpnName, interfaceName, dataBroker, false, /*isTunnelInterface*/
                jobCoordinator);
            }
            LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
            if (interfaceManager.isExternalInterface(interfaceName)) {
                processExternalVpnInterface(interfaceName, vpnName, vpnId, dpId, lportTag, writeInvTxn, NwConstants.ADD_FLOW);
            }
            return;
        }
        // FIB didn't get a chance yet to clean up this VPNInterface
        // Let us give it a chance here !
        LOG.info("processVpnInterfaceUp: Trying to add VPN Interface {} on dpn {} for vpn {}," + " but waiting for FIB to clean up! ", interfaceName, dpId, vpnName);
        try {
            Runnable notifyTask = new VpnNotifyTask();
            synchronized (notifyTask) {
                // Per FB's "Unconditional wait" violation, the code should really verify that the condition it
                // intends to wait for is not already satisfied before calling wait. However the VpnNotifyTask is
                // published here while holding the lock on it so this path will hit the wait before notify can be
                // invoked.
                vpnIntfMap.put(interfaceName, notifyTask);
                try {
                    notifyTask.wait(VpnConstants.MAX_WAIT_TIME_IN_MILLISECONDS);
                } catch (InterruptedException e) {
                // Ignored
                }
            }
        } finally {
            vpnIntfMap.remove(interfaceName);
        }
        if (opVpnInterface != null) {
            LOG.warn("processVpnInterfaceUp: VPN Interface {} removal on dpn {} for vpn {}" + " by FIB did not complete on time," + " bailing addition ...", interfaceName, dpId, vpnName);
            VpnUtil.unsetScheduledToRemoveForVpnInterface(txRunner, interfaceName);
            return;
        }
        // VPNInterface got removed, proceed with Add
        LOG.info("processVpnInterfaceUp: Continuing to plumb vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
        true);
        processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState);
        if (!isBgpVpnInternetVpn) {
            VpnUtil.bindService(vpnName, interfaceName, dataBroker, false, /*isTunnelInterface*/
            jobCoordinator);
        }
        LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {} after waiting for" + " FIB to clean up", interfaceName, dpId, vpnName);
        if (interfaceManager.isExternalInterface(interfaceName)) {
            processExternalVpnInterface(interfaceName, vpnName, vpnId, dpId, lportTag, writeInvTxn, NwConstants.ADD_FLOW);
        }
    } else {
        // Interface is retained in the DPN, but its Link Up.
        // Advertise prefixes again for this interface to BGP
        InstanceIdentifier<VpnInterface> identifier = VpnUtil.getVpnInterfaceIdentifier(vpnInterface.getName());
        InstanceIdentifier<VpnInterfaceOpDataEntry> vpnInterfaceOpIdentifier = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(interfaceName, vpnName);
        advertiseAdjacenciesForVpnToBgp(primaryRd, dpId, vpnInterfaceOpIdentifier, vpnName, interfaceName);
        // Perform similar operation as interface add event for extraroutes.
        InstanceIdentifier<Adjacencies> path = identifier.augmentation(Adjacencies.class);
        Optional<Adjacencies> optAdjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
        if (!optAdjacencies.isPresent()) {
            LOG.trace("No config adjacencies present for vpninterface {}", vpnInterface);
            return;
        }
        List<Adjacency> adjacencies = optAdjacencies.get().getAdjacency();
        for (Adjacency adjacency : adjacencies) {
            if (adjacency.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                continue;
            }
            // if BGPVPN Internet, filter only IPv6 Adjacencies
            if (isBgpVpnInternetVpn && !VpnUtil.isAdjacencyEligibleToVpnInternet(dataBroker, adjacency)) {
                continue;
            }
            addNewAdjToVpnInterface(vpnInterfaceOpIdentifier, primaryRd, adjacency, dpId, writeOperTxn, writeConfigTxn);
        }
    }
}

Example 17 with Lock

use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.lockmanager.rev160413.locks.Lock in project netvirt by opendaylight.

the class VpnSubnetRouteHandler method updateSubnetRouteOnTunnelDownEvent.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public void updateSubnetRouteOnTunnelDownEvent(Uuid subnetId, BigInteger dpnId) {
    LOG.info("updateSubnetRouteOnTunnelDownEvent: Subnet {} Dpn {}", subnetId.getValue(), dpnId.toString());
    // TODO(vivek): Change this to use more granularized lock at subnetId level
    try {
        VpnUtil.lockSubnet(lockManager, subnetId.getValue());
        try {
            InstanceIdentifier<SubnetOpDataEntry> subOpIdentifier = InstanceIdentifier.builder(SubnetOpData.class).child(SubnetOpDataEntry.class, new SubnetOpDataEntryKey(subnetId)).build();
            Optional<SubnetOpDataEntry> optionalSubs = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
            if (!optionalSubs.isPresent()) {
                LOG.error("{} updateSubnetRouteOnTunnelDownEvent: SubnetOpDataEntry for subnet {}" + " is not available", LOGGING_PREFIX, subnetId.getValue());
                return;
            }
            LOG.debug("{} updateSubnetRouteOnTunnelDownEvent: Dpn {} Subnet {} subnetIp {} vpnName {} rd {}" + " TaskState {} lastTaskState {}", LOGGING_PREFIX, dpnId.toString(), subnetId.getValue(), optionalSubs.get().getSubnetCidr(), optionalSubs.get().getVpnName(), optionalSubs.get().getVrfId(), optionalSubs.get().getRouteAdvState(), optionalSubs.get().getLastAdvState());
            SubnetOpDataEntry subOpEntry = null;
            SubnetOpDataEntryBuilder subOpBuilder = new SubnetOpDataEntryBuilder(optionalSubs.get());
            BigInteger nhDpnId = subOpBuilder.getNhDpnId();
            if (nhDpnId != null && nhDpnId.equals(dpnId)) {
                electNewDpnForSubnetRoute(subOpBuilder, dpnId, subnetId, null, /*networkId*/
                true);
                subOpEntry = subOpBuilder.build();
                MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subOpEntry);
                LOG.info("{} updateSubnetRouteOnTunnelDownEvent: Subnet {} Dpn {} subnetIp {} vpnName {} rd {}" + " TaskState {} lastTaskState {}", LOGGING_PREFIX, subnetId.getValue(), dpnId.toString(), optionalSubs.get().getSubnetCidr(), optionalSubs.get().getVpnName(), optionalSubs.get().getVrfId(), optionalSubs.get().getRouteAdvState(), optionalSubs.get().getLastAdvState());
            }
        } catch (RuntimeException ex) {
            LOG.error("{} updateSubnetRouteOnTunnelDownEvent: Updation of SubnetOpDataEntry for subnet {}" + " on dpn {} failed", LOGGING_PREFIX, subnetId.getValue(), dpnId, ex);
        } finally {
            VpnUtil.unlockSubnet(lockManager, subnetId.getValue());
        }
    } catch (RuntimeException e) {
        LOG.error("{} updateSubnetRouteOnTunnelDownEvent: Unable to handle tunnel down event for subnetId {}" + " dpnId {}", LOGGING_PREFIX, subnetId.getValue(), dpnId.toString(), e);
    }
}

Example 18 with Lock

use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.lockmanager.rev160413.locks.Lock in project netvirt by opendaylight.

the class VpnSubnetRouteHandler method onInterfaceUp.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public void onInterfaceUp(BigInteger dpnId, String intfName, Uuid subnetId) {
    // TODO(vivek): Change this to use more granularized lock at subnetId level
    SubnetToDpn subDpn = null;
    if (dpnId == null || Objects.equals(dpnId, BigInteger.ZERO)) {
        LOG.error("{} onInterfaceUp: Unable to determine the DPNID for port {} on subnet {}", LOGGING_PREFIX, intfName, subnetId.getValue());
        return;
    }
    try {
        VpnUtil.lockSubnet(lockManager, subnetId.getValue());
        try {
            InstanceIdentifier<SubnetOpDataEntry> subOpIdentifier = InstanceIdentifier.builder(SubnetOpData.class).child(SubnetOpDataEntry.class, new SubnetOpDataEntryKey(subnetId)).build();
            Optional<SubnetOpDataEntry> optionalSubs = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
            if (!optionalSubs.isPresent()) {
                LOG.trace("{} onInterfaceUp: SubnetOpDataEntry for subnet {} is not available." + " Ignoring interfaceUp for port{}", LOGGING_PREFIX, subnetId.getValue(), intfName);
                return;
            }
            subOpDpnManager.addPortOpDataEntry(intfName, subnetId, dpnId);
            subDpn = subOpDpnManager.addInterfaceToDpn(subnetId, dpnId, intfName);
            if (subDpn == null) {
                return;
            }
            SubnetOpDataEntry subnetOpDataEntry = optionalSubs.get();
            SubnetOpDataEntryBuilder subOpBuilder = new SubnetOpDataEntryBuilder(subnetOpDataEntry);
            LOG.info("{} onInterfaceUp: Updating the SubnetOpDataEntry node for subnet {} subnetIp {} vpn {}" + " rd {} TaskState {} lastTaskState {}", LOGGING_PREFIX, subnetId.getValue(), subOpBuilder.getSubnetCidr(), subOpBuilder.getVpnName(), subOpBuilder.getVrfId(), subOpBuilder.getRouteAdvState(), subOpBuilder.getLastAdvState());
            boolean isExternalSubnetVpn = VpnUtil.isExternalSubnetVpn(subnetOpDataEntry.getVpnName(), subnetId.getValue());
            List<SubnetToDpn> subDpnList = subOpBuilder.getSubnetToDpn();
            subDpnList.add(subDpn);
            subOpBuilder.setSubnetToDpn(subDpnList);
            if (subOpBuilder.getRouteAdvState() != TaskState.Advertised) {
                if (subOpBuilder.getNhDpnId() == null) {
                    // No nexthop selected yet, elect one now
                    electNewDpnForSubnetRoute(subOpBuilder, null, /* oldDpnId */
                    subnetId, null, /*networkId*/
                    !isExternalSubnetVpn);
                } else if (!isExternalSubnetVpn) {
                    // Already nexthop has been selected, only publishing to bgp required, so publish to bgp
                    getNexthopTepAndPublishRoute(subOpBuilder, subnetId);
                }
            }
            SubnetOpDataEntry subOpEntry = subOpBuilder.build();
            MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subOpEntry);
            LOG.info("{} onInterfaceUp: Updated subnetopdataentry to OP Datastore port {} up for subnet {}" + " subnetIp {} vpnName {} rd {} TaskState {} lastTaskState {} ", LOGGING_PREFIX, intfName, subnetId.getValue(), subOpEntry.getSubnetCidr(), subOpEntry.getVpnName(), subOpEntry.getVrfId(), subOpEntry.getRouteAdvState(), subOpEntry.getLastAdvState());
        } catch (Exception ex) {
            LOG.error("{} onInterfaceUp: Updation of SubnetOpDataEntry for subnet {} on port {} up failed", LOGGING_PREFIX, subnetId.getValue(), intfName, ex);
        } finally {
            VpnUtil.unlockSubnet(lockManager, subnetId.getValue());
        }
    } catch (RuntimeException e) {
        LOG.error("{} onInterfaceUp: Unable to handle interface up event for port {} in subnet {}", LOGGING_PREFIX, intfName, subnetId.getValue(), e);
    }
}

Example 19 with Lock

use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.lockmanager.rev160413.locks.Lock in project netvirt by opendaylight.

the class VpnSubnetRouteHandler method onPortRemovedFromSubnet.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public void onPortRemovedFromSubnet(Subnetmap subnetmap, Uuid portId) {
    Uuid subnetId = subnetmap.getId();
    // TODO(vivek): Change this to use more granularized lock at subnetId level
    try {
        VpnUtil.lockSubnet(lockManager, subnetId.getValue());
        try {
            PortOpDataEntry portOpEntry = subOpDpnManager.removePortOpDataEntry(portId.getValue(), subnetmap.getId());
            if (portOpEntry == null) {
                return;
            }
            BigInteger dpnId = portOpEntry.getDpnId();
            if (dpnId == null) {
                LOG.error("{} onPortRemovedFromSubnet:  Port {} does not have a DPNId associated," + " ignoring removal from subnet {}", LOGGING_PREFIX, portId.getValue(), subnetId.getValue());
                return;
            }
            boolean last = subOpDpnManager.removeInterfaceFromDpn(subnetId, dpnId, portId.getValue());
            InstanceIdentifier<SubnetOpDataEntry> subOpIdentifier = InstanceIdentifier.builder(SubnetOpData.class).child(SubnetOpDataEntry.class, new SubnetOpDataEntryKey(subnetId)).build();
            Optional<SubnetOpDataEntry> optionalSubs = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
            if (!optionalSubs.isPresent()) {
                LOG.info("{} onPortRemovedFromSubnet: Port {} is part of a subnet {} that is not in VPN," + " ignoring", LOGGING_PREFIX, portId.getValue(), subnetId.getValue());
                return;
            }
            LOG.info("{} onPortRemovedFromSubnet: Port {} being removed. Updating the SubnetOpDataEntry" + " for subnet {} subnetIp {} vpnName {} rd {} TaskState {} lastTaskState {}", LOGGING_PREFIX, portId.getValue(), subnetId.getValue(), optionalSubs.get().getSubnetCidr(), optionalSubs.get().getVpnName(), optionalSubs.get().getVrfId(), optionalSubs.get().getRouteAdvState(), optionalSubs.get().getLastAdvState());
            SubnetOpDataEntry subnetOpDataEntry = optionalSubs.get();
            SubnetOpDataEntryBuilder subOpBuilder = new SubnetOpDataEntryBuilder(subnetOpDataEntry);
            BigInteger nhDpnId = subOpBuilder.getNhDpnId();
            if (nhDpnId != null && nhDpnId.equals(dpnId)) {
                // select another NhDpnId
                if (last) {
                    LOG.debug("{} onPortRemovedFromSubnet: Last port {} being removed from subnet {} subnetIp {}" + " vpnName {} rd {}", LOGGING_PREFIX, portId.getValue(), subnetId.getValue(), subOpBuilder.getSubnetCidr(), subOpBuilder.getVpnName(), subOpBuilder.getVrfId());
                    // last port on this DPN, so we need to elect the new NHDpnId
                    electNewDpnForSubnetRoute(subOpBuilder, nhDpnId, subnetId, subnetmap.getNetworkId(), !VpnUtil.isExternalSubnetVpn(subnetOpDataEntry.getVpnName(), subnetId.getValue()));
                    MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subOpBuilder.build());
                    LOG.info("{} onPortRemovedFromSubnet: Updated subnetopdataentry to OP Datastore" + " removing port {} from subnet {} subnetIp {} vpnName {} rd {}", LOGGING_PREFIX, portId.getValue(), subnetId.getValue(), subOpBuilder.getSubnetCidr(), subOpBuilder.getVpnName(), subOpBuilder.getVrfId());
                }
            }
        } catch (RuntimeException ex) {
            LOG.error("{} onPortRemovedFromSubnet: Removal of portOp for {} from subnet {} failed", LOGGING_PREFIX, portId.getValue(), subnetId.getValue(), ex);
        } finally {
            VpnUtil.unlockSubnet(lockManager, subnetId.getValue());
        }
    } catch (RuntimeException e) {
        LOG.error("{} onPortRemovedFromSubnet: Unable to handle port {} removed from subnet {}", LOGGING_PREFIX, portId.getValue(), subnetId.getValue(), e);
    }
}

Example 20 with Lock

use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.lockmanager.rev160413.locks.Lock in project netvirt by opendaylight.

the class ElanInterfaceManager method installDMacAddressTables.

// Install DMAC entry on dst DPN
public List<ListenableFuture<Void>> installDMacAddressTables(ElanInstance elanInfo, InterfaceInfo interfaceInfo, BigInteger dstDpId) throws ElanException {
    String interfaceName = interfaceInfo.getInterfaceName();
    ElanInterfaceMac elanInterfaceMac = elanUtils.getElanInterfaceMacByInterfaceName(interfaceName);
    if (elanInterfaceMac != null && elanInterfaceMac.getMacEntry() != null) {
        List<MacEntry> macEntries = elanInterfaceMac.getMacEntry();
        WriteTransaction writeFlowTx = broker.newWriteOnlyTransaction();
        for (MacEntry macEntry : macEntries) {
            String macAddress = macEntry.getMacAddress().getValue();
            LOG.info("Installing remote dmac for mac address {} and interface {}", macAddress, interfaceName);
            synchronized (ElanUtils.getElanMacDPNKey(elanInfo.getElanTag(), macAddress, interfaceInfo.getDpId())) {
                LOG.info("Acquired lock for mac : {}, proceeding with remote dmac install operation", macAddress);
                elanUtils.setupDMacFlowOnRemoteDpn(elanInfo, interfaceInfo, dstDpId, macAddress, writeFlowTx);
            }
        }
        return Collections.singletonList(ElanUtils.waitForTransactionToComplete(writeFlowTx));
    }
    return Collections.emptyList();
}