BluetoothMetricid: Add metric allocator api in java (a4b0be85) · Commits · e / os / android_packages_modules_Bluetooth

android/app/jni/com_android_bluetooth_btservice_AdapterService.cpp

+14 −0

Original line number	Diff line number	Diff line
		@@ -1293,6 +1293,19 @@ static void requestMaximumTxDataLengthNative(JNIEnv* env, jobject obj,
		env->ReleaseByteArrayElements(address, addr, 1);
		}

		static int getMetricIdNative(JNIEnv* env, jobject obj, jbyteArray address) {
		ALOGV("%s", __func__);
		if (!sBluetoothInterface) return 0; // 0 is invalid id
		jbyte* addr = env->GetByteArrayElements(address, nullptr);
		if (addr == nullptr) {
		jniThrowIOException(env, EINVAL);
		return 0;
		}
		RawAddress addr_obj = {};
		addr_obj.FromOctets((uint8_t*)addr);
		return sBluetoothInterface->get_metric_id(addr_obj);
		}

		static JNINativeMethod sMethods[] = {
		/* name, signature, funcPtr */
		{"classInitNative", "()V", (void*)classInitNative},
		@@ -1325,6 +1338,7 @@ static JNINativeMethod sMethods[] = {
		{"interopDatabaseClearNative", "()V", (void*)interopDatabaseClearNative},
		{"interopDatabaseAddNative", "(I[BI)V", (void*)interopDatabaseAddNative},
		{"obfuscateAddressNative", "([B)[B", (void*)obfuscateAddressNative},
		{"getMetricIdNative", "([B)I", (void*)getMetricIdNative},
		{"connectSocketNative", "([BI[BIII)I", (void*)connectSocketNative},
		{"createSocketChannelNative", "(ILjava/lang/String;[BIII)I",
		(void*)createSocketChannelNative},

android/app/src/com/android/bluetooth/btservice/AdapterService.java

+15 −0

Original line number	Diff line number	Diff line
		@@ -3002,6 +3002,19 @@ public class AdapterService extends Service {
		return obfuscateAddressNative(Utils.getByteAddress(device));
		}

		/**
		* Get an incremental id of Bluetooth metrics and log
		*
		* @param device Bluetooth device
		* @return int of id for Bluetooth metrics and logging, 0 if the device is invalid
		*/
		public int getMetricId(BluetoothDevice device) {
		if (device == null) {
		return 0;
		}
		return getMetricIdNative(Utils.getByteAddress(device));
		}

		static native void classInitNative();

		native boolean initNative(boolean startRestricted, boolean isNiapMode);
		@@ -3081,6 +3094,8 @@ public class AdapterService extends Service {

		private native byte[] obfuscateAddressNative(byte[] address);

		private native int getMetricIdNative(byte[] address);

		/package/ native int connectSocketNative(
		byte[] address, int type, byte[] uuid, int port, int flag, int callingUid);

android/app/tests/unit/src/com/android/bluetooth/btservice/AdapterServiceTest.java

+77 −0

Original line number	Diff line number	Diff line
		@@ -716,4 +716,81 @@ public class AdapterServiceTest {
		}
		return true;
		}

		/**
		* Test: Get id for null address
		* Check if returned value from {@link AdapterService#getMetricId(BluetoothDevice)} is
		* 0 when device address is null
		*/
		@Test
		public void testGetMetricId_NullAddress() {
		Assert.assertEquals(mAdapterService.getMetricId(null), 0);
		}

		/**
		* Test: Get id when Bluetooth is disabled
		* Check whether the returned value meets expectation
		*/
		@Test
		public void testGetMetricId_BluetoothDisabled() {
		Assert.assertFalse(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		BluetoothDevice device = TestUtils.getTestDevice(BluetoothAdapter.getDefaultAdapter(), 0);
		int id = mAdapterService.getMetricId(device);
		Assert.assertTrue(id > 0);
		}

		/**
		* Test: Get id when Bluetooth is enabled
		* Check whether the returned value meets expectation
		*/
		@Test
		public void testGetMetricId_BluetoothEnabled() {
		Assert.assertFalse(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		doEnable(0, false);
		Assert.assertTrue(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		BluetoothDevice device = TestUtils.getTestDevice(BluetoothAdapter.getDefaultAdapter(), 0);
		int id = mAdapterService.getMetricId(device);
		Assert.assertTrue(id > 0);
		}

		/**
		* Test: Check if id gotten stays the same after toggling Bluetooth
		*/
		@Test
		public void testGetMetricId_PersistentBetweenToggle() {
		Assert.assertFalse(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		BluetoothDevice device = TestUtils.getTestDevice(BluetoothAdapter.getDefaultAdapter(), 0);
		int id1 = mAdapterService.getMetricId(device);
		Assert.assertTrue(id1 > 0);

		// Enable
		doEnable(0, false);
		Assert.assertTrue(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		int id2 = mAdapterService.getMetricId(device);
		Assert.assertEquals(id2, id1);

		// Disable
		doDisable(0, false);
		Assert.assertFalse(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		int id3 = mAdapterService.getMetricId(device);
		Assert.assertEquals(id3, id1);
		}

		/**
		* Test: Check if id gotten stays the same after re-initializing
		* {@link AdapterService}
		*/
		@Test
		public void testgetMetricId_PersistentBetweenAdapterServiceInitialization() throws
		PackageManager.NameNotFoundException {
		Assert.assertFalse(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		BluetoothDevice device = TestUtils.getTestDevice(BluetoothAdapter.getDefaultAdapter(), 0);
		int id1 = mAdapterService.getMetricId(device);
		Assert.assertTrue(id1 > 0);
		tearDown();
		setUp();
		Assert.assertFalse(mAdapterService.getState() == BluetoothAdapter.STATE_ON);
		int id2 = mAdapterService.getMetricId(device);
		Assert.assertEquals(id2, id1);
		}
		}