pcep/topology/topology-provider/src/test/java/org/opendaylight/bgpcep/pcep/topology/provider/StateSynchronizationAvoidanceProcedureTest.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.bgpcep.pcep.topology.provider;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertFalse;
  13 import static org.junit.Assert.assertNull;
  14 import static org.opendaylight.protocol.pcep.pcc.mock.spi.MsgBuilderUtil.createLsp;
  15 import static org.opendaylight.protocol.pcep.pcc.mock.spi.MsgBuilderUtil.createPath;
  16 import static org.opendaylight.protocol.util.CheckTestUtil.readDataOperational;
  17
  18 import java.math.BigInteger;
  19 import java.util.Collections;
  20 import java.util.Optional;
  21 import java.util.concurrent.ExecutionException;
  22 import org.junit.Before;
  23 import org.junit.Test;
  24 import org.opendaylight.protocol.pcep.PCEPSession;
  25 import org.opendaylight.protocol.pcep.pcc.mock.spi.MsgBuilderUtil;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.PathComputationClient1;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.Tlvs3;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.Tlvs3Builder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.lsp.db.version.tlv.LspDbVersion;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.lsp.db.version.tlv.LspDbVersionBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev181109.Stateful1;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev181109.Stateful1Builder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.OperationalStatus;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.Pcrpt;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.PlspId;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.SymbolicPathName;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.Tlvs1;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.Tlvs1Builder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.identifiers.tlv.LspIdentifiersBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp.object.LspBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.stateful.capability.tlv.StatefulBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.symbolic.path.name.tlv.SymbolicPathNameBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.open.object.Open;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.open.object.OpenBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.open.object.open.TlvsBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.LspId;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev181109.PccSyncState;
  48
  49 public class StateSynchronizationAvoidanceProcedureTest extends
  50     AbstractPCEPSessionTest<Stateful07TopologySessionListenerFactory> {
  51
  52     private Stateful07TopologySessionListener listener;
  53
  54     @Override
  55     @Before
  56     public void setUp() throws Exception {
  57         super.setUp();
  58         this.listener = (Stateful07TopologySessionListener) getSessionListener();
  59     }
  60
  61     @Test
  62     public void testNodePersisted() throws ExecutionException, InterruptedException {
  63         final PCEPSession session = getPCEPSession(getOpen(null), getOpen(null));
  64         this.listener.onSessionUp(session);
  65         //report LSP + LSP-DB version number
  66         final Pcrpt pcRpt = MsgBuilderUtil.createPcRtpMessage(new LspBuilder().setTlvs(
  67                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.lsp
  68                         .object.lsp.TlvsBuilder().addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params
  69                                 .xml.ns.yang.controller.pcep.sync.optimizations.rev181109.Tlvs1.class,
  70                         new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync
  71                                 .optimizations.rev181109.Tlvs1Builder().setLspDbVersion(new LspDbVersionBuilder()
  72                                 .setLspDbVersionValue(BigInteger.ONE).build()).build()).build())
  73                         .setPlspId(new PlspId(1L)).setSync(false).setRemove(false)
  74                         .setOperational(OperationalStatus.Active).build(),
  75                 Optional.of(MsgBuilderUtil.createSrp(1L)), null);
  76         this.listener.onMessage(session, pcRpt);
  77         //check topology
  78         readDataOperational(getDataBroker(), this.pathComputationClientIId.builder()
  79                 .augmentation(PathComputationClient1.class)
  80                 .child(LspDbVersion.class).build(), dbVersion -> {
  81                 assertEquals(1L, dbVersion.getLspDbVersionValue().longValue());
  82                 return dbVersion;
  83             });
  84
  85         //drop session
  86         this.listener.onSessionDown(session, new IllegalStateException());
  87         readDataOperational(getDataBroker(), TOPO_IID, topology -> {
  88             assertFalse(topology.getNode().isEmpty());
  89             return topology;
  90         });
  91         //check topology - node is persisted
  92     }
  93
  94     @Test
  95     public void testStateSynchronizationSkipped() throws Exception {
  96         //session up - sync skipped (LSP-DBs match)
  97         final LspDbVersion lspDbVersion = new LspDbVersionBuilder().setLspDbVersionValue(BigInteger.ONE).build();
  98         final PCEPSession session = getPCEPSession(getOpen(lspDbVersion), getOpen(lspDbVersion));
  99         this.listener.onSessionUp(session);
 100         //check node - synchronized
 101         readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
 102             assertEquals(PccSyncState.Synchronized, pcc.getStateSync());
 103             return pcc;
 104         });
 105     }
 106
 107     @Test
 108     public void testStateSynchronizationPerformed() throws Exception {
 109         PCEPSession session = getPCEPSession(getOpen(null), getOpen(null));
 110         this.listener.onSessionUp(session);
 111         //report LSP + LSP-DB version number
 112         final Pcrpt pcRpt = MsgBuilderUtil.createPcRtpMessage(new LspBuilder().setPlspId(new PlspId(1L))
 113                 .setTlvs(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful
 114                         .rev181109.lsp.object.lsp.TlvsBuilder().setLspIdentifiers(new LspIdentifiersBuilder()
 115                         .setLspId(new LspId(1L)).build()).setSymbolicPathName(new SymbolicPathNameBuilder()
 116                         .setPathName(new SymbolicPathName("test".getBytes())).build()).addAugmentation(org.opendaylight
 117                         .yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109
 118                         .Tlvs1.class, new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller
 119                         .pcep.sync.optimizations.rev181109.Tlvs1Builder().setLspDbVersion(new LspDbVersionBuilder()
 120                         .setLspDbVersionValue(BigInteger.ONE).build()).build()).build())
 121                 .setPlspId(new PlspId(1L)).setSync(true).setRemove(false).setOperational(OperationalStatus.Active)
 122                 .build(), Optional.empty(), createPath(Collections.emptyList()));
 123         this.listener.onMessage(session, pcRpt);
 124         readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
 125             assertFalse(pcc.getReportedLsp().isEmpty());
 126             return pcc;
 127         });
 128
 129         this.listener.onSessionDown(session, new IllegalArgumentException("Simulate Exception"));
 130         this.listener = (Stateful07TopologySessionListener) getSessionListener();
 131
 132         //session up - expect sync (LSP-DBs do not match)
 133         final LspDbVersion localDbVersion = new LspDbVersionBuilder()
 134                 .setLspDbVersionValue(BigInteger.valueOf(2L)).build();
 135         session = getPCEPSession(getOpen(localDbVersion), getOpen(null));
 136         this.listener.onSessionUp(session);
 137
 138         readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
 139             //check node - not synchronized
 140             assertEquals(PccSyncState.InitialResync, pcc.getStateSync());
 141             //check reported LSP - persisted from previous session
 142             assertFalse(pcc.getReportedLsp().isEmpty());
 143             return pcc;
 144         });
 145
 146         //sync rpt + LSP-DB
 147         final Pcrpt syncMsg = MsgBuilderUtil.createPcRtpMessage(createLsp(0, false, Optional.of(
 148                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109
 149                         .lsp.object.lsp.TlvsBuilder().addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight
 150                                 .params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.Tlvs1.class,
 151                         new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync
 152                                 .optimizations.rev181109.Tlvs1Builder().setLspDbVersion(new LspDbVersionBuilder()
 153                                 .setLspDbVersionValue(BigInteger.valueOf(2L)).build()).build()).build()),
 154                 true, false), Optional.empty(),
 155                 createPath(Collections.emptyList()));
 156         this.listener.onMessage(session, syncMsg);
 157         readDataOperational(getDataBroker(), this.pathComputationClientIId, pcc -> {
 158             //check node - synchronized
 159             assertEquals(PccSyncState.Synchronized, pcc.getStateSync());
 160             //check reported LSP is empty, LSP state from previous session was purged
 161             assertNull(pcc.getReportedLsp());
 162             return pcc;
 163         });
 164     }
 165
 166     private Open getOpen(final LspDbVersion dbVersion) {
 167         return new OpenBuilder(super.getLocalPref()).setTlvs(new TlvsBuilder().addAugmentation(Tlvs1.class,
 168             new Tlvs1Builder().setStateful(new StatefulBuilder()
 169             .addAugmentation(Stateful1.class, new Stateful1Builder().setInitiation(Boolean.TRUE).build())
 170             .addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync
 171                     .optimizations.rev181109.Stateful1.class, new org.opendaylight.yang.gen.v1.urn.opendaylight.params
 172                     .xml.ns.yang.controller.pcep.sync.optimizations.rev181109.Stateful1Builder()
 173                 .setIncludeDbVersion(Boolean.TRUE).build()).build()).build()).addAugmentation(Tlvs3.class,
 174             new Tlvs3Builder().setLspDbVersion(dbVersion).build()).build()).build();
 175     }
 176
 177 }