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test: ConnectivityService: Validate Route Add/Del

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Validate route addition and deletion after linkProperties are
changed.

Test: atest ConnectivityServiceTest#testStackedLinkProperties
Change-Id: I18296b933e856a0f8a4c1dbd75bd35024853bfbb
This commit is contained in:
Tyler Wear
2020-02-13 17:59:31 -08:00
parent 44999a7247
commit 5668f7198b
1 changed files with 20 additions and 6 deletions
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26
tests/net/java/com/android/server/ConnectivityServiceTest.java
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@@ -5798,6 +5798,12 @@ public class ConnectivityServiceTest {
final LinkAddress myIpv6 = new LinkAddress("2001:db8:1::1/64");
final String kNat64PrefixString = "2001:db8:64:64:64:64::";
final IpPrefix kNat64Prefix = new IpPrefix(InetAddress.getByName(kNat64PrefixString), 96);
final RouteInfo defaultRoute = new RouteInfo((IpPrefix) null, myIpv6.getAddress(),
MOBILE_IFNAME);
final RouteInfo hostRoute = new RouteInfo(myIpv6, null, MOBILE_IFNAME);
final RouteInfo ipv4Default = new RouteInfo(myIpv4, null, MOBILE_IFNAME);
final RouteInfo stackedDefault = new RouteInfo((IpPrefix) null, myIpv4.getAddress(),
CLAT_PREFIX + MOBILE_IFNAME);
final NetworkRequest networkRequest = new NetworkRequest.Builder()
.addTransportType(TRANSPORT_CELLULAR)
@@ -5810,15 +5816,13 @@ public class ConnectivityServiceTest {
final LinkProperties cellLp = new LinkProperties();
cellLp.setInterfaceName(MOBILE_IFNAME);
cellLp.addLinkAddress(myIpv6);
cellLp.addRoute(new RouteInfo((IpPrefix) null, myIpv6.getAddress(), MOBILE_IFNAME));
cellLp.addRoute(new RouteInfo(myIpv6, null, MOBILE_IFNAME));
cellLp.addRoute(defaultRoute);
cellLp.addRoute(hostRoute);
mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR, cellLp);
reset(mNetworkManagementService);
reset(mMockDnsResolver);
reset(mMockNetd);
reset(mBatteryStatsService);
when(mNetworkManagementService.getInterfaceConfig(CLAT_PREFIX + MOBILE_IFNAME))
.thenReturn(getClatInterfaceConfig(myIpv4));
// Connect with ipv6 link properties. Expect prefix discovery to be started.
mCellNetworkAgent.connect(true);
@@ -5826,6 +5830,8 @@ public class ConnectivityServiceTest {
waitForIdle();
verify(mMockNetd, times(1)).networkCreatePhysical(eq(cellNetId), anyInt());
verify(mNetworkManagementService, times(1)).addRoute(eq(cellNetId), eq(defaultRoute));
verify(mNetworkManagementService, times(1)).addRoute(eq(cellNetId), eq(hostRoute));
verify(mMockDnsResolver, times(1)).createNetworkCache(eq(cellNetId));
verify(mBatteryStatsService).noteNetworkInterfaceType(cellLp.getInterfaceName(),
TYPE_MOBILE);
@@ -5851,12 +5857,14 @@ public class ConnectivityServiceTest {
verifyNoMoreInteractions(mMockNetd);
verifyNoMoreInteractions(mMockDnsResolver);
reset(mNetworkManagementService);
reset(mMockNetd);
reset(mMockDnsResolver);
when(mNetworkManagementService.getInterfaceConfig(CLAT_PREFIX + MOBILE_IFNAME))
.thenReturn(getClatInterfaceConfig(myIpv4));
// Remove IPv4 address. Expect prefix discovery to be started again.
cellLp.removeLinkAddress(myIpv4);
cellLp.removeRoute(new RouteInfo(myIpv4, null, MOBILE_IFNAME));
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
@@ -5878,6 +5886,7 @@ public class ConnectivityServiceTest {
List<LinkProperties> stackedLps = mCm.getLinkProperties(mCellNetworkAgent.getNetwork())
.getStackedLinks();
assertEquals(makeClatLinkProperties(myIpv4), stackedLps.get(0));
verify(mNetworkManagementService).addRoute(eq(cellNetId), eq(stackedDefault));
// Change trivial linkproperties and see if stacked link is preserved.
cellLp.addDnsServer(InetAddress.getByName("8.8.8.8"));
@@ -5903,8 +5912,9 @@ public class ConnectivityServiceTest {
// Add ipv4 address, expect that clatd and prefix discovery are stopped and stacked
// linkproperties are cleaned up.
cellLp.addLinkAddress(myIpv4);
cellLp.addRoute(new RouteInfo(myIpv4, null, MOBILE_IFNAME));
cellLp.addRoute(ipv4Default);
mCellNetworkAgent.sendLinkProperties(cellLp);
verify(mNetworkManagementService).addRoute(eq(cellNetId), eq(stackedDefault));
networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
verify(mMockNetd, times(1)).clatdStop(MOBILE_IFNAME);
verify(mMockDnsResolver, times(1)).stopPrefix64Discovery(cellNetId);
@@ -5923,8 +5933,11 @@ public class ConnectivityServiceTest {
verifyNoMoreInteractions(mMockNetd);
verifyNoMoreInteractions(mMockDnsResolver);
reset(mNetworkManagementService);
reset(mMockNetd);
reset(mMockDnsResolver);
when(mNetworkManagementService.getInterfaceConfig(CLAT_PREFIX + MOBILE_IFNAME))
.thenReturn(getClatInterfaceConfig(myIpv4));
// Stopping prefix discovery causes netd to tell us that the NAT64 prefix is gone.
mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, false /* added */,
@@ -5938,6 +5951,7 @@ public class ConnectivityServiceTest {
cellLp.removeDnsServer(InetAddress.getByName("8.8.8.8"));
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
verify(mNetworkManagementService, times(1)).removeRoute(eq(cellNetId), eq(ipv4Default));
verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, true /* added */,
kNat64PrefixString, 96);