Examples with SynthesizerInput org.batfish.z3.SynthesizerInput used on opensource projects

Example 1 with SynthesizerInput

use of org.batfish.z3.SynthesizerInput in project batfish by batfish.

the class MultipathInconsistencyQuerySynthesizer method getReachabilityProgram.

@Override
public ReachabilityProgram getReachabilityProgram(SynthesizerInput input) {
    ImmutableList.Builder<RuleStatement> rules = ImmutableList.builder();
    addOriginateRules(rules);
    ImmutableList.Builder<BooleanExpr> queryPreconditions = ImmutableList.<BooleanExpr>builder().add(SaneExpr.INSTANCE).add(getSrcNattedConstraint());
    rules.add(new BasicRuleStatement(new AndExpr(queryPreconditions.build()), ImmutableSet.of(Accept.INSTANCE, Drop.INSTANCE), Query.INSTANCE));
    rules.add(new BasicRuleStatement(SaneExpr.INSTANCE, ImmutableSet.of(Accept.INSTANCE, NeighborUnreachable.INSTANCE), Query.INSTANCE));
    rules.add(new BasicRuleStatement(SaneExpr.INSTANCE, ImmutableSet.of(Drop.INSTANCE, NeighborUnreachable.INSTANCE), Query.INSTANCE));
    return ReachabilityProgram.builder().setInput(input).setQueries(ImmutableList.of(new QueryStatement(Query.INSTANCE))).setRules(rules.build()).build();
}

Example 2 with SynthesizerInput

use of org.batfish.z3.SynthesizerInput in project batfish by batfish.

the class BlacklistDstIpQuerySynthesizer method getReachabilityProgram.

@Override
public ReachabilityProgram getReachabilityProgram(SynthesizerInput input) {
    ImmutableList.Builder<BooleanExpr> queryConditionsBuilder = ImmutableList.builder();
    queryConditionsBuilder.add(SaneExpr.INSTANCE);
    for (Ip blacklistIp : _blacklistIps) {
        BooleanExpr blacklistIpCondition = new NotExpr(new EqExpr(new VarIntExpr(BasicHeaderField.DST_IP), new LitIntExpr(blacklistIp)));
        queryConditionsBuilder.add(blacklistIpCondition);
    }
    return ReachabilityProgram.builder().setInput(input).setQueries(ImmutableList.of(new QueryStatement(Query.INSTANCE))).setRules(ImmutableList.of(new BasicRuleStatement(new AndExpr(queryConditionsBuilder.build()), ImmutableSet.of(), Query.INSTANCE))).build();
}

Example 3 with SynthesizerInput

use of org.batfish.z3.SynthesizerInput in project batfish by batfish.

the class EarliestMoreGeneralReachableLineQuerySynthesizer method getReachabilityProgram.

@Override
public ReachabilityProgram getReachabilityProgram(SynthesizerInput input) {
    int unreachableLineIndex = _unreachableLine.getLine();
    IpAccessListLine unreachableLine = _list.getLines().get(unreachableLineIndex);
    BooleanExpr matchUnreachableLineHeaderSpace = new HeaderSpaceMatchExpr(unreachableLine);
    ImmutableList.Builder<QueryStatement> queries = ImmutableList.builder();
    ImmutableList.Builder<RuleStatement> rules = ImmutableList.builder();
    for (AclLine earlierReachableLine : _earlierReachableLines) {
        int earlierLineIndex = earlierReachableLine.getLine();
        IpAccessListLine earlierLine = _list.getLines().get(earlierLineIndex);
        BooleanExpr matchEarlierLineHeaderSpace = new HeaderSpaceMatchExpr(earlierLine);
        NumberedQuery queryRel = new NumberedQuery(earlierLineIndex);
        rules.add(new BasicRuleStatement(new AndExpr(ImmutableList.of(new NotExpr(matchEarlierLineHeaderSpace), matchUnreachableLineHeaderSpace, SaneExpr.INSTANCE)), queryRel));
        QueryStatement query = new QueryStatement(queryRel);
        queries.add(query);
        _resultsByQueryIndex.add(earlierLineIndex);
    }
    return ReachabilityProgram.builder().setInput(input).setQueries(queries.build()).setRules(rules.build()).build();
}

Example 4 with SynthesizerInput

use of org.batfish.z3.SynthesizerInput in project batfish by batfish.

the class DefaultTransitionGeneratorTest method testVisitDropAcl.

@Test
public void testVisitDropAcl() {
    SynthesizerInput input = MockSynthesizerInput.builder().build();
    Set<RuleStatement> rules = ImmutableSet.copyOf(DefaultTransitionGenerator.generateTransitions(input, ImmutableSet.of(DropAcl.State.INSTANCE)));
    Set<RuleStatement> expectedCopyDropAclIn = ImmutableSet.of(new BasicRuleStatement(DropAclIn.INSTANCE, DropAcl.INSTANCE));
    Set<RuleStatement> expectedCopyDropAclOut = ImmutableSet.of(new BasicRuleStatement(DropAclOut.INSTANCE, DropAcl.INSTANCE));
    assertThat(rules, equalTo(Sets.union(expectedCopyDropAclIn, expectedCopyDropAclOut)));
}

Example 5 with SynthesizerInput

use of org.batfish.z3.SynthesizerInput in project batfish by batfish.

the class DefaultTransitionGeneratorTest method testVisitPreOutEdge.

@Test
public void testVisitPreOutEdge() {
    SynthesizerInput input = MockSynthesizerInput.builder().setArpTrueEdge(ImmutableMap.of(NODE1, ImmutableMap.of(VRF1, ImmutableMap.of(INTERFACE1, ImmutableMap.of(NODE3, ImmutableMap.of(INTERFACE3, b(1), INTERFACE4, b(2)), NODE4, ImmutableMap.of(INTERFACE3, b(3))), INTERFACE2, ImmutableMap.of(NODE3, ImmutableMap.of(INTERFACE3, b(4)))), VRF2, ImmutableMap.of(INTERFACE3, ImmutableMap.of(NODE3, ImmutableMap.of(INTERFACE3, b(5))))), NODE2, ImmutableMap.of(VRF1, ImmutableMap.of(INTERFACE1, ImmutableMap.of(NODE3, ImmutableMap.of(INTERFACE3, b(6))))))).build();
    Set<RuleStatement> rules = ImmutableSet.copyOf(DefaultTransitionGenerator.generateTransitions(input, ImmutableSet.of(PreOutEdge.State.INSTANCE)));
    // DestinationRouting
    assertThat(rules, hasItem(new BasicRuleStatement(b(1), ImmutableSet.of(new PostInVrf(NODE1, VRF1), new PreOut(NODE1)), new PreOutEdge(NODE1, INTERFACE1, NODE3, INTERFACE3))));
    assertThat(rules, hasItem(new BasicRuleStatement(b(2), ImmutableSet.of(new PostInVrf(NODE1, VRF1), new PreOut(NODE1)), new PreOutEdge(NODE1, INTERFACE1, NODE3, INTERFACE4))));
    assertThat(rules, hasItem(new BasicRuleStatement(b(3), ImmutableSet.of(new PostInVrf(NODE1, VRF1), new PreOut(NODE1)), new PreOutEdge(NODE1, INTERFACE1, NODE4, INTERFACE3))));
    assertThat(rules, hasItem(new BasicRuleStatement(b(4), ImmutableSet.of(new PostInVrf(NODE1, VRF1), new PreOut(NODE1)), new PreOutEdge(NODE1, INTERFACE2, NODE3, INTERFACE3))));
    assertThat(rules, hasItem(new BasicRuleStatement(b(5), ImmutableSet.of(new PostInVrf(NODE1, VRF2), new PreOut(NODE1)), new PreOutEdge(NODE1, INTERFACE3, NODE3, INTERFACE3))));
    assertThat(rules, hasItem(new BasicRuleStatement(b(6), ImmutableSet.of(new PostInVrf(NODE2, VRF1), new PreOut(NODE2)), new PreOutEdge(NODE2, INTERFACE1, NODE3, INTERFACE3))));
}