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[Thread] add an integration test case for NAT64

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This CL adds an integration test case for NAT64. Because the feature is
not fully ready, we need some extra setup steps to make the feature
work. That is, specifying a CIDR for NAT64. Also, this test case is
based on `ot-ctl` but eventually the test should be based on API.

This CL requires https://github.com/openthread/openthread/pull/10566.

Bug: 356770473
Test: atest ThreadNetworkIntegrationTests

Change-Id: Idfb5ad848f7b2369591e47558ea67017c0b31e19
This commit is contained in:
Handa Wang 2024-08-01 07:04:45 +00:00
commit d38b7cb30f
2 changed files with 47 additions and 5 deletions
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29
thread/tests/integration/src/android/net/thread/BorderRoutingTest.java
View file

@ -619,17 +619,36 @@ public class BorderRoutingTest {
ICMPV6_ECHO_REQUEST_TYPE, ftdOmr, GROUP_ADDR_SCOPE_4));
}
@Test
public void nat64_threadDevicePingIpv4InfraDevice_outboundPacketIsForwarded() throws Exception {
FullThreadDevice ftd = mFtds.get(0);
joinNetworkAndWaitForOmr(ftd, DEFAULT_DATASET);
// TODO: enable NAT64 via ThreadNetworkController API instead of ot-ctl
mOtCtl.setNat64Cidr(NAT64_CIDR);
mOtCtl.setNat64Enabled(true);
waitFor(() -> mOtCtl.hasNat64PrefixInNetdata(), Duration.ofSeconds(10));
ftd.ping(IPV4_SERVER_ADDR);
assertNotNull(pollForIcmpPacketOnInfraNetwork(ICMP_ECHO, null, IPV4_SERVER_ADDR));
}
private void setUpInfraNetwork() throws Exception {
LinkProperties lp = new LinkProperties();
// NAT64 feature requires the infra network to have an IPv4 default route.
lp.addRoute(
new RouteInfo(
new IpPrefix("0.0.0.0/0") /* destination */,
null /* gateway */,
null,
RouteInfo.RTN_UNICAST,
1500 /* mtu */));
mInfraNetworkTracker =
runAsShell(
MANAGE_TEST_NETWORKS,
() ->
initTestNetwork(
mContext, new LinkProperties(), 5000 /* timeoutMs */));
mController.setTestNetworkAsUpstreamAndWait(
mInfraNetworkTracker.getTestIface().getInterfaceName());
() -> initTestNetwork(mContext, lp, 5000 /* timeoutMs */));
String infraNetworkName = mInfraNetworkTracker.getTestIface().getInterfaceName();
mController.setTestNetworkAsUpstreamAndWait(infraNetworkName);
}
private void tearDownInfraNetwork() {

23
thread/tests/integration/src/android/net/thread/utils/OtDaemonController.java
View file

@ -105,6 +105,29 @@ public final class OtDaemonController {
return prefixes.isEmpty() ? null : prefixes.get(0);
}
/** Enables/Disables NAT64 feature. */
public void setNat64Enabled(boolean enabled) {
executeCommand("nat64 " + (enabled ? "enable" : "disable"));
}
/** Sets the NAT64 CIDR. */
public void setNat64Cidr(String cidr) {
executeCommand("nat64 cidr " + cidr);
}
/** Returns whether there's a NAT64 prefix in network data */
public boolean hasNat64PrefixInNetdata() {
// Example (in the 'Routes' section):
// fdb2:bae3:5b59:2:0:0::/96 sn low c000
List<String> outputLines = executeCommandAndParse("netdata show");
for (String line : outputLines) {
if (line.contains(" sn")) {
return true;
}
}
return false;
}
public String executeCommand(String cmd) {
return SystemUtil.runShellCommand(OT_CTL + " " + cmd);
}