Update firmware roaming config for connected network

Cherry-picked from: bced67a256fc7cd7fd001ec8445a651adf3a95fd
Update the firmware configuration when the BSSID blocklist for the
currently connected network changes.

Bug: 161331429
Test: atest com.android.server.wifi
Change-Id: I16c643beac6eaf21f9515032d470d0711c98fe5b
Merged-In: I16c643beac6eaf21f9515032d470d0711c98fe5b

4 files changed, 42 insertions, 12 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java b/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java
index 8cb2e376a..4d2db7b02 100644
--- a/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java
@@ -164,13 +164,13 @@ public class BssidBlocklistMonitorTest {
     }
 
     /**
-     * Verify getNumBlockedBssidsForSsid returns the correct number of blocked BSSIDs.
+     * Verify updateAndGetNumBlockedBssidsForSsid returns the correct number of blocked BSSIDs.
      */
     @Test
-    public void testGetNumBlockedBssidsForSsid() {
+    public void testUpdateAndGetNumBlockedBssidsForSsid() {
         verifyAddMultipleBssidsToBlocklist();
-        assertEquals(2, mBssidBlocklistMonitor.getNumBlockedBssidsForSsid(TEST_SSID_1));
-        assertEquals(1, mBssidBlocklistMonitor.getNumBlockedBssidsForSsid(TEST_SSID_2));
+        assertEquals(2, mBssidBlocklistMonitor.updateAndGetNumBlockedBssidsForSsid(TEST_SSID_1));
+        assertEquals(1, mBssidBlocklistMonitor.updateAndGetNumBlockedBssidsForSsid(TEST_SSID_2));
     }
 
     /**
@@ -208,6 +208,34 @@ public class BssidBlocklistMonitorTest {
     }
 
     /**
+     * Verify that updateAndGetBssidBlocklist(ssid) updates firmware roaming configuration
+     * if a BSSID that belongs to the ssid is removed from blocklist.
+     */
+    @Test
+    public void testBssidRemovalUpdatesFirmwareConfiguration() {
+        verifyAddTestBssidToBlocklist();
+        when(mClock.getWallClockMillis()).thenReturn(BASE_BLOCKLIST_DURATION + 1);
+        assertEquals(0, mBssidBlocklistMonitor
+                .updateAndGetBssidBlocklistForSsid(TEST_SSID_1).size());
+        verify(mWifiConnectivityHelper).setFirmwareRoamingConfiguration(eq(new ArrayList<>()),
+                eq(new ArrayList<>()));
+    }
+
+    /**
+     * Verify that updateAndGetBssidBlocklist(ssid) does not update firmware roaming configuration
+     * if there are no BSSIDs belonging to the ssid removed from blocklist.
+     */
+    @Test
+    public void testBssidRemovalNotUpdateFirmwareConfiguration() {
+        verifyAddTestBssidToBlocklist();
+        when(mClock.getWallClockMillis()).thenReturn(BASE_BLOCKLIST_DURATION + 1);
+        assertEquals(0, mBssidBlocklistMonitor
+                .updateAndGetBssidBlocklistForSsid(TEST_SSID_2).size());
+        verify(mWifiConnectivityHelper, never()).setFirmwareRoamingConfiguration(
+                eq(new ArrayList<>()), eq(new ArrayList<>()));
+    }
+
+    /**
      * Verify that when adding a AP that had already been failing (therefore has a blocklist
      * streak), we are setting the blocklist duration using an exponential backoff technique.
      */
diff --git a/tests/wifitests/src/com/android/server/wifi/WifiConfigManagerTest.java b/tests/wifitests/src/com/android/server/wifi/WifiConfigManagerTest.java
index 3de8cb98b..28fdade18 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiConfigManagerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiConfigManagerTest.java
@@ -621,7 +621,7 @@ public class WifiConfigManagerTest extends WifiBaseTest {
                 return (int) mBssidStatusMap.entrySet().stream()
                         .filter(e -> e.getValue().equals(ssid)).count();
             }
-        }).when(mBssidBlocklistMonitor).getNumBlockedBssidsForSsid(
+        }).when(mBssidBlocklistMonitor).updateAndGetNumBlockedBssidsForSsid(
                 anyString());
         // add bssid to the blocklist
         mBssidStatusMap.put(TEST_BSSID, openNetwork.SSID);
@@ -649,7 +649,8 @@ public class WifiConfigManagerTest extends WifiBaseTest {
         assertTrue(oldConfig.trusted);
         assertNull(oldConfig.BSSID);
 
-        assertEquals(0, mBssidBlocklistMonitor.getNumBlockedBssidsForSsid(openNetwork.SSID));
+        assertEquals(0, mBssidBlocklistMonitor.updateAndGetNumBlockedBssidsForSsid(
+                openNetwork.SSID));
     }
 
     /**
@@ -1375,7 +1376,7 @@ public class WifiConfigManagerTest extends WifiBaseTest {
         for (int i = 1; i < MAX_BLOCKED_BSSID_PER_NETWORK + 1; i++) {
             verifyDisableNetwork(result, disableReason);
             int numBssidsInBlocklist = i;
-            when(mBssidBlocklistMonitor.getNumBlockedBssidsForSsid(anyString()))
+            when(mBssidBlocklistMonitor.updateAndGetNumBlockedBssidsForSsid(anyString()))
                     .thenReturn(numBssidsInBlocklist);
             timeout = WifiConfigManager.getNetworkSelectionDisableTimeoutMillis(disableReason)
                     * multiplier;
@@ -1386,7 +1387,7 @@ public class WifiConfigManagerTest extends WifiBaseTest {
 
         // Verify one last time that the disable duration is capped at some maximum.
         verifyDisableNetwork(result, disableReason);
-        when(mBssidBlocklistMonitor.getNumBlockedBssidsForSsid(anyString()))
+        when(mBssidBlocklistMonitor.updateAndGetNumBlockedBssidsForSsid(anyString()))
                 .thenReturn(MAX_BLOCKED_BSSID_PER_NETWORK + 1);
         verifyNetworkIsEnabledAfter(result.getNetworkId(),
                 TEST_ELAPSED_UPDATE_NETWORK_SELECTION_TIME_MILLIS + timeout);
@@ -1404,7 +1405,7 @@ public class WifiConfigManagerTest extends WifiBaseTest {
 
         // Verify that with 0 BSSIDs in blocklist we enable the network immediately
         verifyDisableNetwork(result, disableReason);
-        when(mBssidBlocklistMonitor.getNumBlockedBssidsForSsid(anyString())).thenReturn(0);
+        when(mBssidBlocklistMonitor.updateAndGetNumBlockedBssidsForSsid(anyString())).thenReturn(0);
         when(mClock.getElapsedSinceBootMillis())
                 .thenReturn(TEST_ELAPSED_UPDATE_NETWORK_SELECTION_TIME_MILLIS);
         assertTrue(mWifiConfigManager.tryEnableNetwork(result.getNetworkId()));
diff --git a/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java b/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
index ba1c4f976..9203a8d9b 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiConnectivityManagerTest.java
@@ -2211,9 +2211,9 @@ public class WifiConnectivityManagerTest extends WifiBaseTest {
         when(mWifiConnectivityHelper.isFirmwareRoamingSupported()).thenReturn(true);
 
         // Force a connectivity scan
-        verify(mBssidBlocklistMonitor, never()).updateAndGetBssidBlocklist();
+        verify(mBssidBlocklistMonitor, never()).updateAndGetBssidBlocklistForSsid(anyString());
         mWifiConnectivityManager.forceConnectivityScan(WIFI_WORK_SOURCE);
-        verify(mBssidBlocklistMonitor).updateAndGetBssidBlocklist();
+        verify(mBssidBlocklistMonitor).updateAndGetBssidBlocklistForSsid(anyString());
     }
 
     /**
diff --git a/tests/wifitests/src/com/android/server/wifi/WifiMetricsTest.java b/tests/wifitests/src/com/android/server/wifi/WifiMetricsTest.java
index 4e895e488..c2436a751 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiMetricsTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiMetricsTest.java
@@ -1727,7 +1727,8 @@ public class WifiMetricsTest extends WifiBaseTest {
         config.allowedKeyManagement = new BitSet();
         when(config.getNetworkSelectionStatus()).thenReturn(
                 mock(WifiConfiguration.NetworkSelectionStatus.class));
-        when(mBssidBlocklistMonitor.getNumBlockedBssidsForSsid(eq(config.SSID))).thenReturn(3);
+        when(mBssidBlocklistMonitor.updateAndGetNumBlockedBssidsForSsid(eq(config.SSID)))
+                .thenReturn(3);
         mWifiMetrics.startConnectionEvent(config, "RED",
                 WifiMetricsProto.ConnectionEvent.ROAM_NONE);
         mWifiMetrics.endConnectionEvent(