2 * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netvirt.bgpmanager;
10 import com.google.common.base.Optional;
11 import java.net.Inet4Address;
12 import java.net.Inet6Address;
13 import java.net.InetAddress;
14 import java.util.ArrayList;
15 import java.util.HashMap;
16 import java.util.List;
18 import java.util.concurrent.BlockingQueue;
19 import java.util.concurrent.LinkedBlockingQueue;
20 import javax.annotation.PostConstruct;
21 import javax.annotation.PreDestroy;
22 import javax.inject.Inject;
23 import javax.inject.Singleton;
24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
25 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
26 import org.opendaylight.genius.mdsalutil.MDSALUtil;
27 import org.opendaylight.genius.mdsalutil.NwConstants;
28 import org.opendaylight.genius.utils.batching.ActionableResource;
29 import org.opendaylight.genius.utils.batching.ActionableResourceImpl;
30 import org.opendaylight.genius.utils.batching.DefaultBatchHandler;
31 import org.opendaylight.genius.utils.batching.ResourceBatchingManager;
32 import org.opendaylight.netvirt.bgpmanager.thrift.gen.af_afi;
33 import org.opendaylight.netvirt.bgpmanager.thrift.gen.af_safi;
34 import org.opendaylight.netvirt.bgpmanager.thrift.gen.encap_type;
35 import org.opendaylight.netvirt.bgpmanager.thrift.gen.protocol_type;
36 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
37 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebfd.rev190219.BfdConfig;
38 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp;
39 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.BgpControlPlaneType;
40 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.EncapType;
41 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.LayerType;
42 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.DcgwTepList;
43 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.VrfsContainer;
44 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.dcgw.tep.list.DcgwTep;
45 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.dcgw.tep.list.DcgwTepKey;
46 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.Vrfs;
47 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.VrfsKey;
48 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.vrfs.AddressFamiliesVrf;
49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeBase;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.TunnelTypeMplsOverGre;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.DpnEndpoints;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.dpn.endpoints.DPNTEPsInfo;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstanceKey;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.elan.instance.ExternalTeps;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.elan.instance.ExternalTepsBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.elan.instance.ExternalTepsKey;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryKey;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.EvpnRdToNetworks;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInstanceOpData;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.evpn.rd.to.networks.EvpnRdToNetwork;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.evpn.rd.to.networks.EvpnRdToNetworkKey;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryKey;
72 import org.opendaylight.yangtools.yang.binding.DataObject;
73 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
74 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
75 import org.slf4j.Logger;
76 import org.slf4j.LoggerFactory;
79 public class BgpUtil implements AutoCloseable {
80 private static final Logger LOG = LoggerFactory.getLogger(BgpUtil.class);
81 private static final String RESOURCE_TYPE = "BGP-RESOURCES";
82 private static final int DEFAULT_BATCH_SIZE = 1000;
83 private static final int DEFAULT_BATCH_INTERVAL = 500;
84 private int enableBfdFlag = -1;
86 private final DataBroker dataBroker;
87 private final IFibManager fibManager;
90 private final BlockingQueue<ActionableResource> bgpResourcesBufferQ = new LinkedBlockingQueue<>();
93 public BgpUtil(DataBroker dataBroker, final IFibManager fibManager) {
94 this.dataBroker = dataBroker;
95 this.fibManager = fibManager;
100 ResourceBatchingManager resBatchingManager = ResourceBatchingManager.getInstance();
102 Integer batchSize = Integer.getInteger("batch.size", DEFAULT_BATCH_SIZE);
103 Integer batchInterval = Integer.getInteger("batch.wait.time", DEFAULT_BATCH_INTERVAL);
105 resBatchingManager.registerBatchableResource(RESOURCE_TYPE, bgpResourcesBufferQ,
106 new DefaultBatchHandler(dataBroker, LogicalDatastoreType.CONFIGURATION, batchSize, batchInterval));
111 public void close() {
112 ResourceBatchingManager.getInstance().deregisterBatchableResource(RESOURCE_TYPE);
116 * get a translation from prefix ipv6 to afi<br>.
117 * "ffff::1/128" sets afi as 2 because is an IPv6 value
118 * @param argPrefix ip address as ipv4 or ipv6
119 * @return afi 1 for AFI_IP 2 for AFI_IPV6
121 public static int getAFItranslatedfromPrefix(String argPrefix) {
122 int retValue = af_afi.AFI_IP.getValue();//default afiValue is 1 (= ipv4)
124 if (argPrefix.indexOf("/") == -1) {
125 prefixOnly = argPrefix;
127 prefixOnly = argPrefix.substring(0, argPrefix.indexOf("/"));
130 InetAddress address = InetAddress.getByName(prefixOnly);
131 if (address instanceof Inet6Address) {
132 retValue = af_afi.AFI_IPV6.getValue();
133 } else if (address instanceof Inet4Address) {
134 retValue = af_afi.AFI_IP.getValue();
136 } catch (java.net.UnknownHostException e) {
137 /*if exception is catched then the prefix is not an IPv6 and IPv4*/
138 LOG.error("Unrecognized ip address ipAddress: {}", argPrefix);
139 retValue = af_afi.AFI_IP.getValue();//default afiValue is 1 (= ipv4)
144 public <T extends DataObject> void update(final InstanceIdentifier<T> path, final T data) {
145 ActionableResourceImpl actResource = new ActionableResourceImpl(path.toString());
146 actResource.setAction(ActionableResource.UPDATE);
147 actResource.setInstanceIdentifier(path);
148 actResource.setInstance(data);
149 bgpResourcesBufferQ.add(actResource);
152 public <T extends DataObject> void write(final InstanceIdentifier<T> path, final T data) {
153 ActionableResourceImpl actResource = new ActionableResourceImpl(path.toString());
154 actResource.setAction(ActionableResource.CREATE);
155 actResource.setInstanceIdentifier(path);
156 actResource.setInstance(data);
157 bgpResourcesBufferQ.add(actResource);
160 public <T extends DataObject> void delete(final InstanceIdentifier<T> path) {
161 ActionableResourceImpl actResource = new ActionableResourceImpl(path.toString());
162 actResource.setAction(ActionableResource.DELETE);
163 actResource.setInstanceIdentifier(path);
164 actResource.setInstance(null);
165 bgpResourcesBufferQ.add(actResource);
168 // Convert ProtocolType to thrift protocol_type
169 public static protocol_type convertToThriftProtocolType(BgpControlPlaneType protocolType) {
170 switch (protocolType) {
172 return protocol_type.PROTOCOL_LU;
174 return protocol_type.PROTOCOL_L3VPN;
176 return protocol_type.PROTOCOL_EVPN;
178 return protocol_type.PROTOCOL_ANY;
182 // Convert EncapType to thrift encap_type
183 public static encap_type convertToThriftEncapType(EncapType encapType) {
186 return encap_type.L2TPV3_OVER_IP;
188 return encap_type.GRE;
190 return encap_type.IP_IN_IP;
192 return encap_type.VXLAN;
195 return encap_type.MPLS;
199 public VpnInstanceOpDataEntry getVpnInstanceOpData(String rd) {
200 InstanceIdentifier<VpnInstanceOpDataEntry> id = getVpnInstanceOpDataIdentifier(rd);
201 Optional<VpnInstanceOpDataEntry> vpnInstanceOpData = MDSALUtil.read(dataBroker,
202 LogicalDatastoreType.OPERATIONAL, id);
203 if (vpnInstanceOpData.isPresent()) {
204 return vpnInstanceOpData.get();
209 public static InstanceIdentifier<VpnInstanceOpDataEntry> getVpnInstanceOpDataIdentifier(String rd) {
210 return InstanceIdentifier.builder(VpnInstanceOpData.class)
211 .child(VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(rd)).build();
214 private String getElanNamefromRd(String rd) {
215 InstanceIdentifier<EvpnRdToNetwork> id = getEvpnRdToNetworkIdentifier(rd);
216 Optional<EvpnRdToNetwork> evpnRdToNetworkOpData = MDSALUtil.read(dataBroker,
217 LogicalDatastoreType.CONFIGURATION, id);
218 if (evpnRdToNetworkOpData.isPresent()) {
219 return evpnRdToNetworkOpData.get().getNetworkId();
224 private static InstanceIdentifier<EvpnRdToNetwork> getEvpnRdToNetworkIdentifier(String rd) {
225 return InstanceIdentifier.builder(EvpnRdToNetworks.class)
226 .child(EvpnRdToNetwork.class, new EvpnRdToNetworkKey(rd)).build();
229 public void addTepToElanInstance(String rd, String tepIp) {
230 if (rd == null || tepIp == null) {
231 LOG.error("addTepToElanInstance : Null parameters returning");
234 String elanName = getElanNamefromRd(rd);
235 if (elanName == null) {
236 LOG.error("Elan null while processing RT2 for RD {}", rd);
239 LOG.debug("Adding tepIp {} to elan {}", tepIp, elanName);
240 InstanceIdentifier<ExternalTeps> externalTepsId = getExternalTepsIdentifier(elanName, tepIp);
241 ExternalTepsBuilder externalTepsBuilder = new ExternalTepsBuilder();
242 ExternalTepsKey externalTepsKey = externalTepsId.firstKeyOf(ExternalTeps.class);
243 externalTepsBuilder.setTepIp(externalTepsKey.getTepIp());
244 update(externalTepsId, externalTepsBuilder.build());
247 public void deleteTepFromElanInstance(String rd, String tepIp) {
248 if (rd == null || tepIp == null) {
249 LOG.error("deleteTepFromElanInstance : Null parameters returning");
252 String elanName = getElanNamefromRd(rd);
253 if (elanName == null) {
254 LOG.error("Elan null while processing RT2 withdraw for RD {}", rd);
257 LOG.debug("Deleting tepIp {} from elan {}", tepIp, elanName);
258 InstanceIdentifier<ExternalTeps> externalTepsId = getExternalTepsIdentifier(elanName, tepIp);
259 delete(externalTepsId);
262 private static InstanceIdentifier<ExternalTeps> getExternalTepsIdentifier(String elanInstanceName, String tepIp) {
263 IpAddress tepAdress = tepIp == null ? null : new IpAddress(new Ipv4Address(tepIp));
264 return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class,
265 new ElanInstanceKey(elanInstanceName)).child(ExternalTeps.class,
266 new ExternalTepsKey(tepAdress)).build();
269 public String getVpnNameFromRd(String rd) {
270 final Map<String, String> rdtoVpnMap = new HashMap<>();
271 if (rdtoVpnMap.get(rd) != null) {
272 return rdtoVpnMap.get(rd);
274 VpnInstanceOpDataEntry vpnInstanceOpData = getVpnInstanceOpData(rd);
275 String vpnName = vpnInstanceOpData != null ? vpnInstanceOpData.getVpnInstanceName() : null;
276 rdtoVpnMap.put(rd, vpnName);
281 /** get the vrf with the RouterDistinguisher pass in param.
282 * @param rd is the RouteDistinguisher of vrf
283 * @return the vrf of rd or null if no exist
285 public Vrfs getVrfFromRd(String rd) {
287 KeyedInstanceIdentifier<Vrfs, VrfsKey> id = InstanceIdentifier.create(Bgp.class)
288 .child(VrfsContainer.class)
289 .child(Vrfs.class, new VrfsKey(rd));
290 Optional<Vrfs> vrfsFromDs = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
291 if (vrfsFromDs.isPresent()) {
292 vrfs = vrfsFromDs.get();
297 /** get layerType used from an AddressFamiliesVrf.
298 * @param adf is the AddressFamiliesVrf from which the layer is asked.
299 * @return the layerType to reach from the argument addressFamilyVrf or null if not found
301 public static LayerType getLayerType(AddressFamiliesVrf adf) {
302 LayerType layerTypeValue = null;
303 if (adf.getSafi().intValue() == af_safi.SAFI_EVPN.getValue()) {
304 layerTypeValue = LayerType.LAYER2;
305 } else if (adf.getSafi().intValue() == af_safi.SAFI_MPLS_VPN.getValue()) {
306 layerTypeValue = LayerType.LAYER3;
308 return layerTypeValue;
311 public void removeVrfEntry(String rd, VrfEntry vrfEntry) {
312 LOG.debug("removeVrfEntry : vrf {} prefix {}", rd, vrfEntry.getDestPrefix());
313 InstanceIdentifier<VrfEntry> vrfEntryId =
314 InstanceIdentifier.builder(FibEntries.class)
315 .child(VrfTables.class, new VrfTablesKey(rd))
316 .child(VrfEntry.class, new VrfEntryKey(vrfEntry.getDestPrefix())).build();
320 public void enableBfdFlag() {
324 public void disableBfdFlag() {
328 public boolean isBfdEnabled() {
329 if (enableBfdFlag == 1) {
331 } else if (enableBfdFlag == 0) {
334 BfdConfig bfdConfig = getBfdConfig();
335 if (bfdConfig != null) {
336 return bfdConfig.isBfdEnabled();
341 public BfdConfig getBfdConfig() {
342 InstanceIdentifier<BfdConfig> id =
343 InstanceIdentifier.builder(BfdConfig.class).build();
344 Optional<BfdConfig> bfdConfigOptional = MDSALUtil.read(dataBroker,
345 LogicalDatastoreType.CONFIGURATION, id);
346 if (bfdConfigOptional.isPresent()) {
347 return bfdConfigOptional.get();
352 public DcgwTepList getDcgwTepConfig() {
353 InstanceIdentifier<DcgwTepList> id =
354 InstanceIdentifier.builder(Bgp.class).child(DcgwTepList.class).build();
355 Optional<DcgwTepList> dcgwTepListOptional = MDSALUtil.read(dataBroker,
356 LogicalDatastoreType.CONFIGURATION, id);
357 if (dcgwTepListOptional.isPresent()) {
358 return dcgwTepListOptional.get();
363 public List<String> getDcgwTepConfig(String dcgwIp) {
364 InstanceIdentifier<DcgwTep> id =
365 InstanceIdentifier.builder(Bgp.class)
366 .child(DcgwTepList.class)
367 .child(DcgwTep.class, new DcgwTepKey(dcgwIp)).build();
368 Optional<DcgwTep> tepListOptional = MDSALUtil.read(dataBroker,
369 LogicalDatastoreType.CONFIGURATION, id);
370 if (tepListOptional.isPresent()) {
371 return tepListOptional.get().getTepIps();
373 LOG.debug("No tep configured for DCGW {}", dcgwIp);
377 public static List<DPNTEPsInfo> getDpnTEPsInfos(DataBroker dataBroker) {
378 InstanceIdentifier<DpnEndpoints> iid = InstanceIdentifier.builder(DpnEndpoints.class).build();
379 Optional<DpnEndpoints> dpnEndpoints = MDSALUtil.read(LogicalDatastoreType.CONFIGURATION, iid, dataBroker);
380 if (dpnEndpoints.isPresent()) {
381 return dpnEndpoints.get().getDPNTEPsInfo();
383 return new ArrayList<>();
387 public void removeOrUpdateLBGroups(String tepIp, int addRemoveOrUpdate) {
388 getDpnTEPsInfos(dataBroker).forEach(dpnInfo -> {
389 if (NwConstants.MOD_FLOW == addRemoveOrUpdate) {
390 LOG.debug("Updating bucket in DPN {}", dpnInfo.getDPNID());
391 } else if (NwConstants.DEL_FLOW == addRemoveOrUpdate) {
392 LOG.debug("Deleting groups in DPN {}", dpnInfo.getDPNID());
394 Class<? extends TunnelTypeBase> tunType = TunnelTypeMplsOverGre.class;
395 fibManager.programDcGwLoadBalancingGroup(dpnInfo.getDPNID(),
396 tepIp, addRemoveOrUpdate, false, tunType);