2 * Copyright (c) 2016 Cisco Systems, 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.protocol.bgp.openconfig.impl.moduleconfig;
11 import com.google.common.base.Function;
12 import com.google.common.base.Optional;
13 import com.google.common.base.Predicate;
14 import com.google.common.collect.FluentIterable;
15 import com.google.common.collect.ImmutableList;
16 import com.google.common.collect.Iterables;
17 import java.util.ArrayList;
18 import java.util.Collections;
19 import java.util.HashMap;
20 import java.util.List;
22 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
23 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
24 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
25 import org.opendaylight.protocol.bgp.openconfig.impl.util.OpenConfigUtil;
26 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafi;
27 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.neighbor.UseMultiplePaths;
28 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.use.multiple.paths.neighbor.use.multiple.paths.Config;
29 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.AfiSafi2;
30 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.AfiSafiType;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.SendReceive;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.AddPath;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.AddPathImpl;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.BgpTableType;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.BgpTableTypeImpl;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.ServiceRef;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.modules.Module;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.modules.ModuleKey;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.services.Service;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.services.ServiceKey;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.rev130405.services.service.Instance;
42 import org.opendaylight.yangtools.yang.binding.ChildOf;
44 final class AddPathFunction {
46 private AddPathFunction() {
47 throw new UnsupportedOperationException();
50 public static <T extends ServiceRef & ChildOf<Module>> List<T> getAddPath(final ReadOnlyTransaction rTx, final BGPConfigModuleProvider
51 configModuleWriter, final Function<String, T> function, final List<AfiSafi> afiSafis) {
52 final ImmutableList<AfiSafi> afiSafisMultipath = FluentIterable.from(afiSafis).filter(new Predicate<AfiSafi>() {
54 public boolean apply(final AfiSafi afisafi) {
55 final AfiSafi2 afiSafi2 = afisafi.getAugmentation(AfiSafi2.class);
56 if (afiSafi2 != null) {
57 final UseMultiplePaths useMultiplePaths = afiSafi2.getUseMultiplePaths();
58 if (useMultiplePaths != null) {
59 final Config useMultiplePathsConfig = useMultiplePaths.getConfig();
60 if (useMultiplePathsConfig != null && useMultiplePathsConfig.isEnabled() != null) {
61 return useMultiplePathsConfig.isEnabled();
68 final Optional<Service> maybeService = configModuleWriter.readConfigService(new ServiceKey(AddPath.class), rTx);
69 if (maybeService.isPresent()) {
70 final Service service = maybeService.get();
71 final List<Module> modules = new ArrayList<>();
72 final Map<String, String> moduleNameToService = new HashMap<>();
73 for (final Instance instance : service.getInstance()) {
74 final String moduleName = OpenConfigUtil.getModuleName(instance.getProvider());
75 final ModuleKey moduleKey = new ModuleKey(moduleName, AddPathImpl.class);
76 final Optional<Module> moduleConfig = configModuleWriter.readModuleConfiguration(moduleKey, rTx);
77 if (moduleConfig.isPresent()) {
78 modules.add(moduleConfig.get());
80 moduleNameToService.put(moduleName, instance.getName());
83 return TableTypesFunction.toServices(function, afiSafisMultipath, afiSafiToModuleName(afiSafisMultipath, modules, configModuleWriter, rTx), moduleNameToService);
85 return Collections.emptyList();
86 } catch (final ReadFailedException e) {
87 throw new IllegalStateException(OpenConfigUtil.FAILED_TO_READ_SERVICE, e);
91 private static Map<Class<? extends AfiSafiType>, String> afiSafiToModuleName(final List<AfiSafi> afiSafis, final List<Module> modules, final BGPConfigModuleProvider configModuleWriter, final ReadTransaction rTx) throws ReadFailedException {
92 final Map<Class<? extends AfiSafiType>, String> afiSafiToModuleName = new HashMap<>(afiSafis.size());
93 for (final Module module : modules) {
94 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.AddPathImpl config =
95 ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.AddPathImpl) module.getConfiguration());
96 if (config.getSendReceive() == SendReceive.Both) {
97 final Optional<AfiSafi> tryFind = Iterables.tryFind(afiSafis, new Predicate<AfiSafi>() {
99 public boolean apply(final AfiSafi input) {
100 final Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType> bgpTableType = OpenConfigUtil.toBgpTableType(input.getAfiSafiName());
101 return bgpTableType.isPresent() && tableTypeExists(configModuleWriter, rTx,
102 (String) config.getAddressFamily().getName(), bgpTableType.get());
105 if (tryFind.isPresent()) {
106 afiSafiToModuleName.put(tryFind.get().getAfiSafiName(), module.getName());
110 return afiSafiToModuleName;
113 public static boolean tableTypeExists(final BGPConfigModuleProvider configModuleWriter, final ReadTransaction rTx,
114 final String instanceName, final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType tableType) {
116 final Optional<Service> maybeService = configModuleWriter.readConfigService(new ServiceKey(BgpTableType.class), rTx);
117 if (maybeService.isPresent()) {
118 for (final Instance instance : maybeService.get().getInstance()) {
119 final String moduleName = OpenConfigUtil.getModuleName(instance.getProvider());
120 if (moduleName.equals(instanceName)) {
121 final ModuleKey moduleKey = new ModuleKey(moduleName, BgpTableTypeImpl.class);
122 final Optional<Module> moduleConfig = configModuleWriter.readModuleConfiguration(moduleKey, rTx);
123 if (moduleConfig.isPresent()) {
124 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.BgpTableTypeImpl tableTypeImpl = (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.bgp.rib.impl.rev160330.modules.module.configuration.BgpTableTypeImpl)moduleConfig.get().getConfiguration();
125 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType moduleTableType = new org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl(tableTypeImpl.getAfi(), tableTypeImpl.getSafi());
126 if (moduleTableType.equals(tableType)) {
134 } catch (final ReadFailedException e) {
135 throw new IllegalStateException(OpenConfigUtil.FAILED_TO_READ_SERVICE, e);