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

Example 36 with SynthesizerInput

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

the class DefaultTransitionGeneratorTest method testVisitPreOut.

@Test
public void testVisitPreOut() {
    SynthesizerInput input = MockSynthesizerInput.builder().setIpsByHostname(ImmutableMap.of(NODE1, ImmutableSet.of(IP1, IP2), NODE2, ImmutableSet.of(IP3, IP4))).build();
    Set<RuleStatement> rules = ImmutableSet.copyOf(DefaultTransitionGenerator.generateTransitions(input, ImmutableSet.of(PreOut.State.INSTANCE)));
    // PostInNotMine
    assertThat(rules, hasItem(new BasicRuleStatement(new NotExpr(HeaderSpaceMatchExpr.matchDstIp(ImmutableSet.of(new IpWildcard(IP1), new IpWildcard(IP2)))), ImmutableSet.of(new PostIn(NODE1)), new PreOut(NODE1))));
    assertThat(rules, hasItem(new BasicRuleStatement(new NotExpr(HeaderSpaceMatchExpr.matchDstIp(ImmutableSet.of(new IpWildcard(IP3), new IpWildcard(IP4)))), ImmutableSet.of(new PostIn(NODE2)), new PreOut(NODE2))));
}

Example 37 with SynthesizerInput

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

the class DefaultTransitionGeneratorTest method testVisitNodeAccept.

@Test
public void testVisitNodeAccept() {
    SynthesizerInput input = MockSynthesizerInput.builder().setEnabledNodes(ImmutableSet.of(NODE1, NODE2)).setIpsByHostname(ImmutableMap.of(NODE1, ImmutableSet.of(IP1, IP2), NODE2, ImmutableSet.of(IP3, IP4))).build();
    Set<RuleStatement> rules = ImmutableSet.copyOf(DefaultTransitionGenerator.generateTransitions(input, ImmutableSet.of(NodeAccept.State.INSTANCE)));
    // PostInForMe
    assertThat(rules, hasItem(new BasicRuleStatement(HeaderSpaceMatchExpr.matchDstIp(ImmutableSet.of(new IpWildcard(IP1), new IpWildcard(IP2))), ImmutableSet.of(new PostIn(NODE1)), new NodeAccept(NODE1))));
    assertThat(rules, hasItem(new BasicRuleStatement(HeaderSpaceMatchExpr.matchDstIp(ImmutableSet.of(new IpWildcard(IP3), new IpWildcard(IP4))), ImmutableSet.of(new PostIn(NODE2)), new NodeAccept(NODE2))));
}

Example 38 with SynthesizerInput

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

the class SynthesizerInputImplTest method testComputeAclConditions.

@Test
public void testComputeAclConditions() {
    Configuration c = _cb.build();
    IpAccessList aclWithoutLines = _aclb.setOwner(c).build();
    _acllb.setAction(LineAction.ACCEPT);
    IpAccessList aclWithLines = _aclb.setLines(ImmutableList.<IpAccessListLine>of(_acllb.setDstIps(ImmutableSet.of(new IpWildcard(new Ip("1.2.3.4")))).build(), _acllb.setDstIps(ImmutableSet.of(new IpWildcard(new Ip("5.6.7.8")))).build())).build();
    SynthesizerInput input = _inputBuilder.setConfigurations(ImmutableMap.of(c.getName(), c)).build();
    assertThat(input, hasAclConditions(equalTo(ImmutableMap.of(c.getName(), ImmutableMap.of(aclWithoutLines.getName(), ImmutableList.of(), aclWithLines.getName(), ImmutableList.of(new HeaderSpaceMatchExpr(aclWithLines.getLines().get(0)), new HeaderSpaceMatchExpr(aclWithLines.getLines().get(1))))))));
    Configuration srcNode = _cb.build();
    Configuration nextHop = _cb.build();
    Vrf srcVrf = _vb.setOwner(srcNode).build();
    Vrf nextHopVrf = _vb.setOwner(nextHop).build();
    Ip ip11 = new Ip("1.0.0.0");
    Ip ip12 = new Ip("1.0.0.10");
    Ip ip21 = new Ip("2.0.0.0");
    Ip ip22 = new Ip("2.0.0.10");
    IpAccessList sourceNat1Acl = _aclb.setLines(ImmutableList.of()).setOwner(srcNode).build();
    IpAccessList sourceNat2Acl = _aclb.build();
    SourceNat sourceNat1 = _snb.setPoolIpFirst(ip11).setPoolIpLast(ip12).setAcl(sourceNat1Acl).build();
    SourceNat sourceNat2 = _snb.setPoolIpFirst(ip21).setPoolIpLast(ip22).setAcl(sourceNat2Acl).build();
    Interface srcInterfaceZeroSourceNats = _ib.setOwner(srcNode).setVrf(srcVrf).setSourceNats(ImmutableList.of()).build();
    Interface srcInterfaceOneSourceNat = _ib.setSourceNats(ImmutableList.of(sourceNat1)).build();
    Interface srcInterfaceTwoSourceNats = _ib.setSourceNats(ImmutableList.of(sourceNat1, sourceNat2)).build();
    Interface nextHopInterface = _ib.setOwner(nextHop).setVrf(nextHopVrf).setSourceNats(ImmutableList.of()).build();
    Edge forwardEdge1 = new Edge(srcInterfaceZeroSourceNats, nextHopInterface);
    Edge forwardEdge2 = new Edge(srcInterfaceOneSourceNat, nextHopInterface);
    Edge forwardEdge3 = new Edge(srcInterfaceTwoSourceNats, nextHopInterface);
    Edge backEdge1 = new Edge(nextHopInterface, srcInterfaceZeroSourceNats);
    Edge backEdge2 = new Edge(nextHopInterface, srcInterfaceOneSourceNat);
    Edge backEdge3 = new Edge(nextHopInterface, srcInterfaceTwoSourceNats);
    SynthesizerInput inputWithDataPlane = _inputBuilder.setConfigurations(ImmutableMap.of(srcNode.getName(), srcNode, nextHop.getName(), nextHop)).setForwardingAnalysis(MockForwardingAnalysis.builder().build()).setTopology(new Topology(ImmutableSortedSet.of(forwardEdge1, forwardEdge2, forwardEdge3, backEdge1, backEdge2, backEdge3))).build();
    assertThat(inputWithDataPlane, hasAclConditions(equalTo(ImmutableMap.of(srcNode.getName(), ImmutableMap.of(sourceNat1Acl.getName(), ImmutableList.of(), sourceNat2Acl.getName(), ImmutableList.of()), nextHop.getName(), ImmutableMap.of()))));
}

Example 39 with SynthesizerInput

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

the class SynthesizerInputImplTest method testComputeTopologyInterfaces.

@Test
public void testComputeTopologyInterfaces() {
    Configuration srcNode = _cb.build();
    Configuration nextHop = _cb.build();
    Vrf srcVrf = _vb.setOwner(srcNode).build();
    Vrf nextHopVrf = _vb.setOwner(nextHop).build();
    Interface srcInterface = _ib.setOwner(srcNode).setVrf(srcVrf).build();
    Interface iNoEdge = _ib.build();
    Interface nextHopInterface = _ib.setOwner(nextHop).setVrf(nextHopVrf).build();
    Edge forwardEdge = new Edge(srcInterface, nextHopInterface);
    Edge backEdge = new Edge(nextHopInterface, srcInterface);
    SynthesizerInput inputWithoutDataPlane = _inputBuilder.setConfigurations(ImmutableMap.of(srcNode.getName(), srcNode, nextHop.getName(), nextHop)).build();
    SynthesizerInput inputWithDataPlane = _inputBuilder.setForwardingAnalysis(MockForwardingAnalysis.builder().build()).setTopology(new Topology(ImmutableSortedSet.of(forwardEdge, backEdge))).build();
    assertThat(inputWithDataPlane, hasTopologyInterfaces(hasEntry(equalTo(srcNode.getName()), hasItem(srcInterface.getName()))));
    assertThat(inputWithDataPlane, hasTopologyInterfaces(hasEntry(equalTo(srcNode.getName()), not(hasItem(iNoEdge.getName())))));
    assertThat(inputWithDataPlane, hasTopologyInterfaces(hasEntry(equalTo(nextHop.getName()), hasItem(nextHopInterface.getName()))));
    assertThat(inputWithoutDataPlane, hasTopologyInterfaces(nullValue()));
}

Example 40 with SynthesizerInput

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

the class SynthesizerInputImplTest method testSourceNatWithNoAcl.

/**
 * Test that for a SourceNat with no ACL, the SynthesizerInput will have an "accept everything"
 * ACL.
 */
@Test
public void testSourceNatWithNoAcl() {
    Configuration srcNode = _cb.build();
    Configuration nextHop = _cb.build();
    Vrf srcVrf = _vb.setOwner(srcNode).build();
    Vrf nextHopVrf = _vb.setOwner(nextHop).build();
    Ip ip1 = new Ip("1.0.0.0");
    Ip ip2 = new Ip("1.0.0.10");
    SourceNat sourceNat = _snb.setPoolIpFirst(ip1).setPoolIpLast(ip2).build();
    Interface srcInterfaceOneSourceNat = _ib.setOwner(srcNode).setVrf(srcVrf).setSourceNats(ImmutableList.of(sourceNat)).build();
    Interface nextHopInterface = _ib.setOwner(nextHop).setVrf(nextHopVrf).setSourceNats(ImmutableList.of()).build();
    Edge forwardEdge = new Edge(srcInterfaceOneSourceNat, nextHopInterface);
    Edge backEdge = new Edge(nextHopInterface, srcInterfaceOneSourceNat);
    SynthesizerInput inputWithDataPlane = _inputBuilder.setConfigurations(ImmutableMap.of(srcNode.getName(), srcNode, nextHop.getName(), nextHop)).setForwardingAnalysis(MockForwardingAnalysis.builder().build()).setTopology(new Topology(ImmutableSortedSet.of(forwardEdge, backEdge))).build();
    // Acl for the SourceNat is DefaultSourceNatAcl
    assertThat(inputWithDataPlane, hasSourceNats(hasEntry(equalTo(srcNode.getName()), hasEntry(equalTo(srcInterfaceOneSourceNat.getName()), equalTo(ImmutableList.of(immutableEntry(new AclPermit(srcNode.getHostname(), SynthesizerInputImpl.DEFAULT_SOURCE_NAT_ACL.getName()), new RangeMatchExpr(TransformationHeaderField.NEW_SRC_IP, TransformationHeaderField.NEW_SRC_IP.getSize(), ImmutableSet.of(Range.closed(ip1.asLong(), ip2.asLong()))))))))));
    assertThat(inputWithDataPlane, hasAclConditions(hasEntry(srcNode.getHostname(), ImmutableMap.of(SynthesizerInputImpl.DEFAULT_SOURCE_NAT_ACL.getName(), ImmutableList.of(new HeaderSpaceMatchExpr(IpAccessListLine.builder().setSrcIps(ImmutableList.of(new IpWildcard("0.0.0.0/0"))).build()))))));
    assertThat(inputWithDataPlane, hasAclActions(hasEntry(srcNode.getHostname(), ImmutableMap.of(SynthesizerInputImpl.DEFAULT_SOURCE_NAT_ACL.getName(), ImmutableList.of(LineAction.ACCEPT)))));
}