2 * Copyright © 2015 Red Hat, Inc. 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
9 package org.opendaylight.netvirt.openstack.netvirt.sfc;
11 import java.util.List;
12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
13 import org.opendaylight.netvirt.utils.mdsal.utils.MdsalUtils;
14 import org.opendaylight.sfc.provider.api.SfcProviderServiceForwarderAPI;
15 import org.opendaylight.sfc.provider.api.SfcProviderServiceFunctionAPI;
16 import org.opendaylight.sfc.provider.api.SfcProviderServicePathAPI;
17 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.common.rev151017.RspName;
18 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.common.rev151017.SfName;
19 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.common.rev151017.SffName;
20 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.rsp.rev140701.RenderedServicePaths;
21 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.rsp.rev140701.rendered.service.paths.RenderedServicePath;
22 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.rsp.rev140701.rendered.service.paths.RenderedServicePathKey;
23 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.rsp.rev140701.rendered.service.paths.rendered.service.path.RenderedServicePathHop;
24 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.sf.rev140701.ServiceFunctions;
25 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.sf.rev140701.service.functions.ServiceFunction;
26 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.sf.rev140701.service.functions.ServiceFunctionKey;
27 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.sff.rev140701.service.function.forwarders.ServiceFunctionForwarder;
28 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.sfp.rev140701.ServiceFunctionPaths;
29 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.sfp.rev140701.service.function.paths.ServiceFunctionPath;
30 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.sl.rev140701.data.plane.locator.locator.type.Ip;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev150317.AccessLists;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev150317.access.lists.Acl;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev150317.access.lists.acl.AccessListEntries;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev150317.access.lists.acl.access.list.entries.Ace;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.sfc.acl.rev150105.RedirectToSfc;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.sfc.classifier.rev150105.Classifiers;
39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
43 public class SfcUtils {
44 private static final Logger LOG = LoggerFactory.getLogger(SfcUtils.class);
45 private MdsalUtils mdsalUtils;
47 public SfcUtils(MdsalUtils mdsalUtils) {
48 this.mdsalUtils = mdsalUtils;
51 public InstanceIdentifier<Classifiers> getClassifierIid() {
52 return InstanceIdentifier.create(Classifiers.class);
55 public InstanceIdentifier<RenderedServicePaths> getRspsId() {
56 return InstanceIdentifier.builder(RenderedServicePaths.class).build();
59 public InstanceIdentifier<RenderedServicePath> getRspId(String rspName) {
60 return InstanceIdentifier.builder(RenderedServicePaths.class)
61 .child(RenderedServicePath.class, new RenderedServicePathKey(new RspName(rspName))).build();
64 public InstanceIdentifier<ServiceFunction> getSfId(String sfName) {
65 return InstanceIdentifier.builder(ServiceFunctions.class)
66 .child(ServiceFunction.class, new ServiceFunctionKey(SfName.getDefaultInstance(sfName))).build();
69 public RenderedServicePath getRsp(String rspName) {
70 return mdsalUtils.read(LogicalDatastoreType.OPERATIONAL, getRspId(rspName));
73 public RenderedServicePath getRspforSfp(String sfpName) {
74 RenderedServicePath rspFound = null;
75 RenderedServicePaths rsps = mdsalUtils.read(LogicalDatastoreType.OPERATIONAL, this.getRspsId());
77 for (RenderedServicePath rsp : rsps.getRenderedServicePath()) {
78 if (rsp.getParentServiceFunctionPath() != null) {
79 if (rsp.getParentServiceFunctionPath().getValue().equals(sfpName)) {
88 public ServiceFunctionPath getSfp(String sfcName) {
89 ServiceFunctionPath sfpFound = null;
90 ServiceFunctionPaths sfps = SfcProviderServicePathAPI.readAllServiceFunctionPaths();
92 for (ServiceFunctionPath sfp: sfps.getServiceFunctionPath()) {
93 if (sfp.getServiceChainName().getValue().equalsIgnoreCase(sfcName)) {
101 private AccessLists readAccessLists() {
102 InstanceIdentifier<AccessLists> path = InstanceIdentifier.create(AccessLists.class);
103 return mdsalUtils.read(LogicalDatastoreType.CONFIGURATION, path);
106 public Ace getAce(RenderedServicePath rsp) {
107 return getAce(rsp.getName().getValue(), rsp.getParentServiceFunctionPath().getValue(),
108 rsp.getServiceChainName().getValue());
111 // TODO: optimize this by adding a ACL to RSP mapping in the netvirt-classifier when the ACL is processed
112 @SuppressWarnings("unchecked")
113 public Ace getAce(String rspName, String sfpName, String sfcName) {
115 AccessLists accessLists = readAccessLists();
116 if (accessLists != null) {
117 List<Acl> acls = accessLists.getAcl();
119 for (Acl acl : acls) {
120 AccessListEntries accessListEntries = acl.getAccessListEntries();
121 if (accessListEntries != null) {
122 List<Ace> aces = accessListEntries.getAce();
123 for (Ace ace : aces) {
124 RedirectToSfc sfcRedirect = ace.getActions().getAugmentation(RedirectToSfc.class);
125 if (sfcRedirect != null) {
126 if ((sfcRedirect.getRspName() != null && sfcRedirect.getRspName().equals(rspName)) ||
127 (sfcRedirect.getSfcName() != null && sfcRedirect.getSfcName().equals(sfcName)) ||
128 (sfcRedirect.getSfpName() != null && sfcRedirect.getSfpName().equals(sfpName))) {
135 if (aceFound != null) {
142 LOG.info("getAce: {}", aceFound);
146 public IpAddress getSfIpAddress(String sfname) {
147 ServiceFunction serviceFunction =
148 SfcProviderServiceFunctionAPI.readServiceFunction(SfName.getDefaultInstance(sfname));
150 if (serviceFunction == null) {
151 LOG.info("Failed to read ServiceFunction: {}", sfname);
155 return getSfIpAddress(serviceFunction);
158 public IpAddress getSfIpAddress(ServiceFunction serviceFunction) {
159 if (serviceFunction == null) {
160 LOG.info("getSfIp: Servicefunction is null");
164 Ip ipLocator = (Ip) serviceFunction.getSfDataPlaneLocator().get(0).getLocatorType();
165 return ipLocator.getIp();
168 public PortNumber getSfPort(ServiceFunction serviceFunction) {
169 if (serviceFunction == null) {
170 LOG.info("getSfIp: Servicefunction is null");
174 Ip ipLocator = (Ip) serviceFunction.getSfDataPlaneLocator().get(0).getLocatorType();
175 return ipLocator.getPort();
178 public Ip getSfIp(ServiceFunction serviceFunction) {
179 if (serviceFunction == null) {
180 LOG.info("getSfIp: Servicefunction is null");
184 return (Ip)serviceFunction.getSfDataPlaneLocator().get(0).getLocatorType();
187 public String getSfDplName(ServiceFunction serviceFunction) {
188 String sfDplName = null;
189 if (serviceFunction == null) {
190 LOG.warn("getSfDplName: Servicefunction is null");
194 sfDplName = serviceFunction.getSfDataPlaneLocator().get(0).getName().getValue();
198 public Ip getSffIp(ServiceFunctionForwarder serviceFunctionForwarder) {
199 if (serviceFunctionForwarder != null &&
200 serviceFunctionForwarder.getSffDataPlaneLocator() != null &&
201 serviceFunctionForwarder.getSffDataPlaneLocator().get(0) != null &&
202 serviceFunctionForwarder.getSffDataPlaneLocator().get(0).getDataPlaneLocator() != null) {
203 return (Ip)serviceFunctionForwarder.getSffDataPlaneLocator().get(0)
204 .getDataPlaneLocator().getLocatorType();
206 LOG.info("getSffIp: ServiceFunctionForwarder is null");
211 public Ip getSffIp(SffName sffName) {
212 ServiceFunctionForwarder serviceFunctionForwarder =
213 SfcProviderServiceForwarderAPI.readServiceFunctionForwarder(sffName);
214 return getSffIp(serviceFunctionForwarder);
217 public RenderedServicePathHop getFirstHop(RenderedServicePath rsp) {
218 List<RenderedServicePathHop> pathHopList = rsp.getRenderedServicePathHop();
219 if (pathHopList.isEmpty()) {
220 LOG.warn("handleRenderedServicePath: RSP {} has empty hops!!", rsp.getName());
224 return pathHopList.get(0);
227 public RenderedServicePathHop getLastHop(RenderedServicePath rsp) {
228 List<RenderedServicePathHop> pathHopList = rsp.getRenderedServicePathHop();
229 if (pathHopList.isEmpty()) {
230 LOG.warn("handleRenderedServicePath: RSP {} has empty hops!!", rsp.getName());
234 return pathHopList.get(pathHopList.size()-1);