Cache the last connection timestamp in scorecard

Caches the timestamp of the last successful L2 connection.
This information will be used to detect frequent disconnects.

Bug: 139287182
Test: atest FrameworksWifiTests

Change-Id: I6ce7ed07f552a4980a0aa13a96a0d5ed5934dd53

2 files changed, 20 insertions, 1 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java b/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java
index 16eb976ea..1f42d45b6 100644
--- a/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/BssidBlocklistMonitorTest.java
@@ -249,10 +249,12 @@ public class BssidBlocklistMonitorTest {
     }
 
     /**
-     * Verify that handleBssidConnectionSuccess resets appropriate blocklist streak counts.
+     * Verify that handleBssidConnectionSuccess resets appropriate blocklist streak counts, and
+     * notifies WifiScorecard of the successful connection.
      */
     @Test
     public void testNetworkConnectionResetsBlocklistStreak() {
+        when(mClock.getWallClockMillis()).thenReturn(100L);
         mBssidBlocklistMonitor.handleBssidConnectionSuccess(TEST_BSSID_1, TEST_SSID_1);
         verify(mWifiScoreCard).resetBssidBlocklistStreak(TEST_SSID_1, TEST_BSSID_1,
                 BssidBlocklistMonitor.REASON_AP_UNABLE_TO_HANDLE_NEW_STA);
@@ -266,6 +268,7 @@ public class BssidBlocklistMonitorTest {
                 BssidBlocklistMonitor.REASON_ASSOCIATION_TIMEOUT);
         verify(mWifiScoreCard).resetBssidBlocklistStreak(TEST_SSID_1, TEST_BSSID_1,
                 BssidBlocklistMonitor.REASON_AUTHENTICATION_FAILURE);
+        verify(mWifiScoreCard).setBssidConnectionTimeMs(TEST_SSID_1, TEST_BSSID_1, 100L);
     }
 
     /**
diff --git a/tests/wifitests/src/com/android/server/wifi/WifiScoreCardTest.java b/tests/wifitests/src/com/android/server/wifi/WifiScoreCardTest.java
index c02ecf0f8..135a71ee2 100644
--- a/tests/wifitests/src/com/android/server/wifi/WifiScoreCardTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/WifiScoreCardTest.java
@@ -194,6 +194,22 @@ public class WifiScoreCardTest extends WifiBaseTest {
     }
 
     /**
+     * Test the update and retrieval of the last connection time to a BSSID.
+     */
+    @Test
+    public void testSetBssidConnectionTimestampMs() {
+        mWifiInfo.setSSID(TEST_SSID_1);
+        mWifiInfo.setBSSID(TEST_BSSID_1.toString());
+        mWifiScoreCard.noteIpConfiguration(mWifiInfo);
+
+        String ssid = mWifiInfo.getSSID();
+        String bssid = mWifiInfo.getBSSID();
+        assertEquals(0L, mWifiScoreCard.getBssidConnectionTimestampMs(ssid, bssid));
+        assertEquals(0L, mWifiScoreCard.setBssidConnectionTimestampMs(ssid, bssid, 100L));
+        assertEquals(100L, mWifiScoreCard.getBssidConnectionTimestampMs(ssid, bssid));
+    }
+
+    /**
      * Test identifiers.
      */
     @Test