Merge "Tell the factory it is already serving a request."

This commit is contained in:
Chalard Jean
2019-03-13 02:07:29 +00:00
committed by Gerrit Code Review
7 changed files with 189 additions and 77 deletions

View File

@@ -511,7 +511,7 @@ public class ConnectivityServiceTest {
mNetworkAgent = new NetworkAgent(mHandlerThread.getLooper(), mServiceContext,
"Mock-" + typeName, mNetworkInfo, mNetworkCapabilities,
linkProperties, mScore, new NetworkMisc()) {
linkProperties, mScore, new NetworkMisc(), NetworkFactory.SerialNumber.NONE) {
@Override
public void unwanted() { mDisconnected.open(); }
@@ -746,7 +746,7 @@ public class ConnectivityServiceTest {
/**
* A NetworkFactory that allows tests to wait until any in-flight NetworkRequest add or remove
* operations have been processed. Before ConnectivityService can add or remove any requests,
* the factory must be told to expect those operations by calling expectAddRequests or
* the factory must be told to expect those operations by calling expectAddRequestsWithScores or
* expectRemoveRequests.
*/
private static class MockNetworkFactory extends NetworkFactory {
@@ -755,14 +755,16 @@ public class ConnectivityServiceTest {
private final AtomicBoolean mNetworkStarted = new AtomicBoolean(false);
// Used to expect that requests be removed or added on a separate thread, without sleeping.
// Callers can call either expectAddRequests() or expectRemoveRequests() exactly once, then
// cause some other thread to add or remove requests, then call waitForRequests(). We can
// either expect requests to be added or removed, but not both, because CountDownLatch can
// only count in one direction.
private CountDownLatch mExpectations;
// Callers can call either expectAddRequestsWithScores() or expectRemoveRequests() exactly
// once, then cause some other thread to add or remove requests, then call
// waitForRequests().
// It is not possible to wait for both add and remove requests. When adding, the queue
// contains the expected score. When removing, the value is unused, all matters is the
// number of objects in the queue.
private final LinkedBlockingQueue<Integer> mExpectations;
// Whether we are currently expecting requests to be added or removed. Valid only if
// mExpectations is non-null.
// mExpectations is non-empty.
private boolean mExpectingAdditions;
// Used to collect the networks requests managed by this factory. This is a duplicate of
@@ -772,6 +774,7 @@ public class ConnectivityServiceTest {
public MockNetworkFactory(Looper looper, Context context, String logTag,
NetworkCapabilities filter) {
super(looper, context, logTag, filter);
mExpectations = new LinkedBlockingQueue<>();
}
public int getMyRequestCount() {
@@ -803,38 +806,44 @@ public class ConnectivityServiceTest {
}
@Override
protected void handleAddRequest(NetworkRequest request, int score) {
// If we're expecting anything, we must be expecting additions.
if (mExpectations != null && !mExpectingAdditions) {
fail("Can't add requests while expecting requests to be removed");
}
protected void handleAddRequest(NetworkRequest request, int score,
int factorySerialNumber) {
synchronized (mExpectations) {
final Integer expectedScore = mExpectations.poll(); // null if the queue is empty
// Add the request.
mNetworkRequests.put(request.requestId, request);
super.handleAddRequest(request, score);
assertNotNull("Added more requests than expected (" + request + " score : "
+ score + ")", expectedScore);
// If we're expecting anything, we must be expecting additions.
if (!mExpectingAdditions) {
fail("Can't add requests while expecting requests to be removed");
}
if (expectedScore != score) {
fail("Expected score was " + expectedScore + " but actual was " + score
+ " in added request");
}
// Reduce the number of request additions we're waiting for.
if (mExpectingAdditions) {
assertTrue("Added more requests than expected", mExpectations.getCount() > 0);
mExpectations.countDown();
// Add the request.
mNetworkRequests.put(request.requestId, request);
super.handleAddRequest(request, score, factorySerialNumber);
mExpectations.notify();
}
}
@Override
protected void handleRemoveRequest(NetworkRequest request) {
// If we're expecting anything, we must be expecting removals.
if (mExpectations != null && mExpectingAdditions) {
fail("Can't remove requests while expecting requests to be added");
}
synchronized (mExpectations) {
final Integer expectedScore = mExpectations.poll(); // null if the queue is empty
// Remove the request.
mNetworkRequests.remove(request.requestId);
super.handleRemoveRequest(request);
assertTrue("Removed more requests than expected", expectedScore != null);
// If we're expecting anything, we must be expecting removals.
if (mExpectingAdditions) {
fail("Can't remove requests while expecting requests to be added");
}
// Reduce the number of request removals we're waiting for.
if (!mExpectingAdditions) {
assertTrue("Removed more requests than expected", mExpectations.getCount() > 0);
mExpectations.countDown();
// Remove the request.
mNetworkRequests.remove(request.requestId);
super.handleRemoveRequest(request);
mExpectations.notify();
}
}
@@ -844,35 +853,42 @@ public class ConnectivityServiceTest {
}
private void assertNoExpectations() {
if (mExpectations != null) {
fail("Can't add expectation, " + mExpectations.getCount() + " already pending");
if (mExpectations.size() != 0) {
fail("Can't add expectation, " + mExpectations.size() + " already pending");
}
}
// Expects that count requests will be added.
public void expectAddRequests(final int count) {
// Expects that requests with the specified scores will be added.
public void expectAddRequestsWithScores(final int... scores) {
assertNoExpectations();
mExpectingAdditions = true;
mExpectations = new CountDownLatch(count);
for (int score : scores) {
mExpectations.add(score);
}
}
// Expects that count requests will be removed.
public void expectRemoveRequests(final int count) {
assertNoExpectations();
mExpectingAdditions = false;
mExpectations = new CountDownLatch(count);
for (int i = 0; i < count; ++i) {
mExpectations.add(0); // For removals the score is ignored so any value will do.
}
}
// Waits for the expected request additions or removals to happen within a timeout.
public void waitForRequests() throws InterruptedException {
assertNotNull("Nothing to wait for", mExpectations);
mExpectations.await(TIMEOUT_MS, TimeUnit.MILLISECONDS);
final long count = mExpectations.getCount();
final long deadline = SystemClock.elapsedRealtime() + TIMEOUT_MS;
synchronized (mExpectations) {
while (mExpectations.size() > 0 && SystemClock.elapsedRealtime() < deadline) {
mExpectations.wait(deadline - SystemClock.elapsedRealtime());
}
}
final long count = mExpectations.size();
final String msg = count + " requests still not " +
(mExpectingAdditions ? "added" : "removed") +
" after " + TIMEOUT_MS + " ms";
assertEquals(msg, 0, count);
mExpectations = null;
}
public SparseArray<NetworkRequest> waitForNetworkRequests(final int count)
@@ -2329,6 +2345,12 @@ public class ConnectivityServiceTest {
callback.expectCallback(CallbackState.LOST, mEthernetNetworkAgent);
}
private int[] makeIntArray(final int size, final int value) {
final int[] array = new int[size];
Arrays.fill(array, value);
return array;
}
private void tryNetworkFactoryRequests(int capability) throws Exception {
// Verify NOT_RESTRICTED is set appropriately
final NetworkCapabilities nc = new NetworkRequest.Builder().addCapability(capability)
@@ -2350,7 +2372,7 @@ public class ConnectivityServiceTest {
mServiceContext, "testFactory", filter);
testFactory.setScoreFilter(40);
ConditionVariable cv = testFactory.getNetworkStartedCV();
testFactory.expectAddRequests(1);
testFactory.expectAddRequestsWithScores(0);
testFactory.register();
testFactory.waitForNetworkRequests(1);
int expectedRequestCount = 1;
@@ -2361,7 +2383,7 @@ public class ConnectivityServiceTest {
assertFalse(testFactory.getMyStartRequested());
NetworkRequest request = new NetworkRequest.Builder().addCapability(capability).build();
networkCallback = new NetworkCallback();
testFactory.expectAddRequests(1);
testFactory.expectAddRequestsWithScores(0); // New request
mCm.requestNetwork(request, networkCallback);
expectedRequestCount++;
testFactory.waitForNetworkRequests(expectedRequestCount);
@@ -2381,7 +2403,7 @@ public class ConnectivityServiceTest {
// When testAgent connects, ConnectivityService will re-send us all current requests with
// the new score. There are expectedRequestCount such requests, and we must wait for all of
// them.
testFactory.expectAddRequests(expectedRequestCount);
testFactory.expectAddRequestsWithScores(makeIntArray(expectedRequestCount, 50));
testAgent.connect(false);
testAgent.addCapability(capability);
waitFor(cv);
@@ -2389,7 +2411,7 @@ public class ConnectivityServiceTest {
assertFalse(testFactory.getMyStartRequested());
// Bring in a bunch of requests.
testFactory.expectAddRequests(10);
testFactory.expectAddRequestsWithScores(makeIntArray(10, 50));
assertEquals(expectedRequestCount, testFactory.getMyRequestCount());
ConnectivityManager.NetworkCallback[] networkCallbacks =
new ConnectivityManager.NetworkCallback[10];
@@ -2412,8 +2434,11 @@ public class ConnectivityServiceTest {
// Drop the higher scored network.
cv = testFactory.getNetworkStartedCV();
// With the default network disconnecting, the requests are sent with score 0 to factories.
testFactory.expectAddRequestsWithScores(makeIntArray(expectedRequestCount, 0));
testAgent.disconnect();
waitFor(cv);
testFactory.waitForNetworkRequests(expectedRequestCount);
assertEquals(expectedRequestCount, testFactory.getMyRequestCount());
assertTrue(testFactory.getMyStartRequested());
@@ -3336,22 +3361,23 @@ public class ConnectivityServiceTest {
testFactory.setScoreFilter(40);
// Register the factory and expect it to start looking for a network.
testFactory.expectAddRequests(1);
testFactory.expectAddRequestsWithScores(0); // Score 0 as the request is not served yet.
testFactory.register();
testFactory.waitForNetworkRequests(1);
assertTrue(testFactory.getMyStartRequested());
// Bring up wifi. The factory stops looking for a network.
mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
testFactory.expectAddRequests(2); // Because the default request changes score twice.
// Score 60 - 40 penalty for not validated yet, then 60 when it validates
testFactory.expectAddRequestsWithScores(20, 60);
mWiFiNetworkAgent.connect(true);
testFactory.waitForNetworkRequests(1);
testFactory.waitForRequests();
assertFalse(testFactory.getMyStartRequested());
ContentResolver cr = mServiceContext.getContentResolver();
// Turn on mobile data always on. The factory starts looking again.
testFactory.expectAddRequests(1);
testFactory.expectAddRequestsWithScores(0); // Always on requests comes up with score 0
setAlwaysOnNetworks(true);
testFactory.waitForNetworkRequests(2);
assertTrue(testFactory.getMyStartRequested());
@@ -3359,7 +3385,7 @@ public class ConnectivityServiceTest {
// Bring up cell data and check that the factory stops looking.
assertLength(1, mCm.getAllNetworks());
mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
testFactory.expectAddRequests(2); // Because the cell request changes score twice.
testFactory.expectAddRequestsWithScores(10, 50); // Unvalidated, then validated
mCellNetworkAgent.connect(true);
cellNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
testFactory.waitForNetworkRequests(2);
@@ -3673,7 +3699,7 @@ public class ConnectivityServiceTest {
testFactory.setScoreFilter(40);
// Register the factory and expect it to receive the default request.
testFactory.expectAddRequests(1);
testFactory.expectAddRequestsWithScores(0); // default request score is 0, not served yet
testFactory.register();
SparseArray<NetworkRequest> requests = testFactory.waitForNetworkRequests(1);
@@ -3681,7 +3707,7 @@ public class ConnectivityServiceTest {
int origRequestId = requests.valueAt(0).requestId;
// Now file the test request and expect it.
testFactory.expectAddRequests(1);
testFactory.expectAddRequestsWithScores(0);
mCm.requestNetwork(nr, networkCallback);
requests = testFactory.waitForNetworkRequests(2); // have 2 requests at this point

View File

@@ -35,6 +35,7 @@ import android.net.ConnectivityManager;
import android.net.INetd;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkFactory;
import android.net.NetworkInfo;
import android.net.NetworkMisc;
import android.os.INetworkManagementService;
@@ -352,7 +353,8 @@ public class LingerMonitorTest {
caps.addCapability(0);
caps.addTransportType(transport);
NetworkAgentInfo nai = new NetworkAgentInfo(null, null, new Network(netId), info, null,
caps, 50, mCtx, null, mMisc, mConnService, mNetd, mNMS);
caps, 50, mCtx, null, mMisc, mConnService, mNetd, mNMS,
NetworkFactory.SerialNumber.NONE);
nai.everValidated = true;
return nai;
}