LineageOS/android_packages_modules_Connectivity
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Merge "Notify linkproperties change in all scenarios"

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This commit is contained in:
Mark Chien
2022-02-25 11:13:12 +00:00
committed by Gerrit Code Review
parent 894912c85e 68e96aba07
commit cc0dc24205
3 changed files with 73 additions and 2 deletions
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4
Tethering/src/com/android/networkstack/tethering/UpstreamNetworkMonitor.java
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@@ -533,8 +533,9 @@ public class UpstreamNetworkMonitor {
@Override
public void onLinkPropertiesChanged(Network network, LinkProperties newLp) {
handleLinkProp(network, newLp);
if (mCallbackType == CALLBACK_DEFAULT_INTERNET) {
updateLinkProperties(network, newLp);
// When the default network callback calls onLinkPropertiesChanged, it means that
// all the network information for the default network is known (because
// onLinkPropertiesChanged is called after onAvailable and onCapabilitiesChanged).
@@ -543,7 +544,6 @@ public class UpstreamNetworkMonitor {
return;
}
handleLinkProp(network, newLp);
// Any non-LISTEN_ALL callback will necessarily concern a network that will
// also match the LISTEN_ALL callback by construction of the LISTEN_ALL callback.
// So it's not useful to do this work for non-LISTEN_ALL callbacks.

10
Tethering/tests/unit/src/com/android/networkstack/tethering/TestConnectivityManager.java
View File

@@ -186,6 +186,16 @@ public class TestConnectivityManager extends ConnectivityManager {
makeDefaultNetwork(agent, BROADCAST_FIRST, null /* inBetween */);
}
void sendLinkProperties(TestNetworkAgent agent, boolean updateDefaultFirst) {
if (!updateDefaultFirst) agent.sendLinkProperties();
for (NetworkCallback cb : mTrackingDefault.keySet()) {
cb.onLinkPropertiesChanged(agent.networkId, agent.linkProperties);
}
if (updateDefaultFirst) agent.sendLinkProperties();
}
static boolean looksLikeDefaultRequest(NetworkRequest req) {
return req.hasCapability(NET_CAPABILITY_INTERNET)
&& !req.hasCapability(NET_CAPABILITY_DUN)

61
Tethering/tests/unit/src/com/android/networkstack/tethering/UpstreamNetworkMonitorTest.java
View File

@@ -577,6 +577,67 @@ public class UpstreamNetworkMonitorTest {
verify(mEntitleMgr, times(1)).maybeRunProvisioning();
}
@Test
public void testLinkAddressChanged() {
final String ipv4Addr = "100.112.103.18/24";
final String ipv6Addr1 = "2001:db8:4:fd00:827a:bfff:fe6f:374d/64";
final String ipv6Addr2 = "2003:aa8:3::123/64";
mUNM.startTrackDefaultNetwork(mEntitleMgr);
mUNM.startObserveAllNetworks();
mUNM.setUpstreamConfig(true /* autoUpstream */, false /* dunRequired */);
mUNM.setTryCell(true);
final TestNetworkAgent cellAgent = new TestNetworkAgent(mCM, CELL_CAPABILITIES);
final LinkProperties cellLp = cellAgent.linkProperties;
cellLp.setInterfaceName("rmnet0");
addLinkAddresses(cellLp, ipv4Addr);
cellAgent.fakeConnect();
mCM.makeDefaultNetwork(cellAgent);
mLooper.dispatchAll();
verifyCurrentLinkProperties(cellAgent);
int messageIndex = mSM.messages.size() - 1;
addLinkAddresses(cellLp, ipv6Addr1);
mCM.sendLinkProperties(cellAgent, false /* updateDefaultFirst */);
mLooper.dispatchAll();
verifyCurrentLinkProperties(cellAgent);
verifyNotifyLinkPropertiesChange(messageIndex);
messageIndex = mSM.messages.size() - 1;
removeLinkAddresses(cellLp, ipv6Addr1);
addLinkAddresses(cellLp, ipv6Addr2);
mCM.sendLinkProperties(cellAgent, true /* updateDefaultFirst */);
mLooper.dispatchAll();
assertEquals(cellAgent.linkProperties, mUNM.getCurrentPreferredUpstream().linkProperties);
verifyCurrentLinkProperties(cellAgent);
verifyNotifyLinkPropertiesChange(messageIndex);
}
private void verifyCurrentLinkProperties(TestNetworkAgent agent) {
assertEquals(agent.networkId, mUNM.getCurrentPreferredUpstream().network);
assertEquals(agent.linkProperties, mUNM.getCurrentPreferredUpstream().linkProperties);
}
private void verifyNotifyLinkPropertiesChange(int lastMessageIndex) {
assertEquals(UpstreamNetworkMonitor.EVENT_ON_LINKPROPERTIES,
mSM.messages.get(++lastMessageIndex).arg1);
assertEquals(UpstreamNetworkMonitor.NOTIFY_LOCAL_PREFIXES,
mSM.messages.get(++lastMessageIndex).arg1);
assertEquals(lastMessageIndex + 1, mSM.messages.size());
}
private void addLinkAddresses(LinkProperties lp, String... addrs) {
for (String addrStr : addrs) {
lp.addLinkAddress(new LinkAddress(addrStr));
}
}
private void removeLinkAddresses(LinkProperties lp, String... addrs) {
for (String addrStr : addrs) {
lp.removeLinkAddress(new LinkAddress(addrStr));
}
}
private void assertSatisfiesLegacyType(int legacyType, UpstreamNetworkState ns) {
if (legacyType == TYPE_NONE) {
assertTrue(ns == null);