Revert "HalDeviceManager: Get IWifi proxy immediately"

Bug: 64399946
Bug: 64226605

This reverts commit 899b14464fc6591010a5893142b470a466598f96.

Change-Id: I2af550600529835fa78e7011f1bbedd056140d46

2 files changed, 6 insertions, 23 deletions

diff --git a/service/java/com/android/server/wifi/HalDeviceManager.java b/service/java/com/android/server/wifi/HalDeviceManager.java
index bcc0348a8..4382c8126 100644
--- a/service/java/com/android/server/wifi/HalDeviceManager.java
+++ b/service/java/com/android/server/wifi/HalDeviceManager.java
@@ -532,7 +532,6 @@ public class HalDeviceManager {
 
     private void initializeInternal() {
         initIServiceManagerIfNecessary();
-        initIWifiIfNecessary();
     }
 
     private void teardownInternal() {
@@ -562,7 +561,9 @@ public class HalDeviceManager {
                     Log.d(TAG, "IWifi registration notification: fqName=" + fqName
                             + ", name=" + name + ", preexisting=" + preexisting);
                     synchronized (mLock) {
+                        mWifi = null; // get rid of old copy!
                         initIWifiIfNecessary();
+                        stopWifi(); // just in case
                     }
                 }
             };
@@ -672,8 +673,7 @@ public class HalDeviceManager {
                     mWifi = null;
                     return;
                 }
-                // Stopping wifi just in case. This would also trigger the status callback.
-                stopWifi();
+                managerStatusListenerDispatch();
             } catch (RemoteException e) {
                 Log.e(TAG, "Exception while operating on IWifi: " + e);
             }
diff --git a/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java b/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java
index 54c67b222..3e203a666 100644
--- a/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/HalDeviceManagerTest.java
@@ -164,22 +164,6 @@ public class HalDeviceManagerTest {
     }
 
     /**
-     * Test the service manager notification coming in after
-     * {@link HalDeviceManager#initIWifiIfNecessary()} is already invoked as a part of
-     * {@link HalDeviceManager#initialize()}.
-     */
-    @Test
-    public void testServiceRegisterationAfterInitialize() throws Exception {
-        mInOrder = inOrder(mServiceManagerMock, mWifiMock, mManagerStatusListenerMock);
-        executeAndValidateInitializationSequence();
-
-        // This should now be ignored since IWifi is already non-null.
-        mServiceNotificationCaptor.getValue().onRegistration(IWifi.kInterfaceName, "", true);
-
-        verifyNoMoreInteractions(mManagerStatusListenerMock, mWifiMock, mServiceManagerMock);
-    }
-
-    /**
      * Validate that multiple callback registrations are called and that duplicate ones are
      * only called once.
      */
@@ -237,7 +221,7 @@ public class HalDeviceManagerTest {
 
         // verify: service and callback calls
         mInOrder.verify(mWifiMock).start();
-        mInOrder.verify(mManagerStatusListenerMock, times(2)).onStatusChanged();
+        mInOrder.verify(mManagerStatusListenerMock, times(3)).onStatusChanged();
 
         verifyNoMoreInteractions(mManagerStatusListenerMock);
     }
@@ -1113,13 +1097,12 @@ public class HalDeviceManagerTest {
         mInOrder.verify(mServiceManagerMock).registerForNotifications(eq(IWifi.kInterfaceName),
                 eq(""), mServiceNotificationCaptor.capture());
 
-        // The service should already be up at this point.
+        // act: get the service started (which happens even when service was already up)
+        mServiceNotificationCaptor.getValue().onRegistration(IWifi.kInterfaceName, "", true);
 
         // verify: wifi initialization sequence
         mInOrder.verify(mWifiMock).linkToDeath(mDeathRecipientCaptor.capture(), anyLong());
         mInOrder.verify(mWifiMock).registerEventCallback(mWifiEventCallbackCaptor.capture());
-        // verify: onStop called as a part of initialize.
-        mInOrder.verify(mWifiMock).stop();
         collector.checkThat("isReady is true", mDut.isReady(), equalTo(true));
     }