Examples with StateExpr org.batfish.z3.expr.StateExpr used on opensource projects

Example 1 with StateExpr

use of org.batfish.z3.expr.StateExpr in project batfish by batfish.

the class ReachabilityProgramOptimizerTest method freshQueryStateExpr.

private StateExpr freshQueryStateExpr() {
    StateExpr stateExpr = freshStateExpr();
    _queries.add(new QueryStatement(stateExpr));
    return stateExpr;
}

Example 2 with StateExpr

use of org.batfish.z3.expr.StateExpr in project batfish by batfish.

the class RelationCollectorTest method testTestStateExpr.

@Test
public void testTestStateExpr() {
    StateExpr b1 = newStateExpr();
    StateExpr b2 = newStateExpr();
    assertThat(b1, Matchers.not(equalTo(b2)));
}

Example 3 with StateExpr

use of org.batfish.z3.expr.StateExpr in project batfish by batfish.

the class RelationCollectorTest method testVisitTransformationRuleStatement.

/**
 * Test that collectRelations traverses the child of a TransformationRuleStatement.
 */
@Test
public void testVisitTransformationRuleStatement() {
    StateExpr b1 = newStateExpr();
    StateExpr b2 = newStateExpr();
    StateExpr t1 = newStateExpr();
    TransformationRuleStatement expr1 = new TransformationRuleStatement(t1);
    Set<String> expectedRelations1 = ImmutableSet.of(getNodName(_input, t1));
    TransformationRuleStatement expr2 = new TransformationRuleStatement(TrueExpr.INSTANCE, ImmutableSet.of(b1), ImmutableSet.of(b2), t1);
    Set<String> expectedRelations2 = ImmutableSet.of(getNodName(_input, b1), getNodName(_input, b2), getNodName(_input, t1));
    assertThat(collectRelations(_input, expr1), equalTo(expectedRelations1));
    assertThat(collectRelations(_input, expr2), equalTo(expectedRelations2));
}

Example 4 with StateExpr

use of org.batfish.z3.expr.StateExpr in project batfish by batfish.

the class DefaultTransitionGenerator method visitPreOutEdgePostNat_generateNoMatchSourceNatRules.

private void visitPreOutEdgePostNat_generateNoMatchSourceNatRules(String node1, String iface1, String node2, String iface2) {
    List<Entry<AclPermit, BooleanExpr>> sourceNats = _input.getSourceNats().getOrDefault(node1, ImmutableMap.of()).getOrDefault(iface1, ImmutableList.of());
    ImmutableSet.Builder<StateExpr> preStates = ImmutableSet.builder();
    preStates.add(new PreOutEdge(node1, iface1, node2, iface2));
    sourceNats.stream().map(Entry::getKey).map(aclPermit -> new AclDeny(aclPermit.getHostname(), aclPermit.getAcl())).forEach(preStates::add);
    _rules.add(new TransformationRuleStatement(new EqExpr(new VarIntExpr(TransformationHeaderField.NEW_SRC_IP), new VarIntExpr(TransformationHeaderField.NEW_SRC_IP.getCurrent())), preStates.build(), ImmutableSet.of(), new PreOutEdgePostNat(node1, iface1, node2, iface2)));
}

Example 5 with StateExpr

use of org.batfish.z3.expr.StateExpr in project batfish by batfish.

the class ReachabilityProgramOptimizerTest method pruneIrrelevant.

/*
   * No query statement, so everything is irrelevant
   */
@Test
public void pruneIrrelevant() {
    StateExpr state1 = freshStateExpr();
    addRuleFor(state1);
    StateExpr state2 = freshStateExpr();
    addRuleFor(state2, state1);
    Set<RuleStatement> rules = optimize();
    assertThat(rules, empty());
}