LE: Add API to configure MTU for a given connection (4/4) (dfddf66d) · Commits · e / os / android_packages_modules_Bluetooth

android/app/jni/com_android_bluetooth_gatt.cpp

+20 −1

Original line number	Diff line number	Diff line
		@@ -159,6 +159,7 @@ static jmethodID method_onGetIncludedService;
		static jmethodID method_onRegisterForNotifications;
		static jmethodID method_onReadRemoteRssi;
		static jmethodID method_onAdvertiseCallback;
		static jmethodID method_onConfigureMTU;

		/**
		* Server callback methods
		@@ -430,6 +431,14 @@ void btgattc_advertise_cb(int status, int client_if)
		checkAndClearExceptionFromCallback(sCallbackEnv, __FUNCTION__);
		}

		void btgattc_configure_mtu_cb(int conn_id, int status, int mtu)
		{
		CHECK_CALLBACK_ENV
		sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onConfigureMTU,
		conn_id, status, mtu);
		checkAndClearExceptionFromCallback(sCallbackEnv, __FUNCTION__);
		}

		static const btgatt_client_callbacks_t sGattClientCallbacks = {
		btgattc_register_app_cb,
		btgattc_scan_result_cb,
		@@ -448,7 +457,8 @@ static const btgatt_client_callbacks_t sGattClientCallbacks = {
		btgattc_write_descriptor_cb,
		btgattc_execute_write_cb,
		btgattc_remote_rssi_cb,
		btgattc_advertise_cb
		btgattc_advertise_cb,
		btgattc_configure_mtu_cb,
		};


		@@ -663,6 +673,7 @@ static void classInitNative(JNIEnv* env, jclass clazz) {
		method_onGetIncludedService = env->GetMethodID(clazz, "onGetIncludedService", "(IIIIJJIIJJ)V");
		method_onRegisterForNotifications = env->GetMethodID(clazz, "onRegisterForNotifications", "(IIIIIJJIJJ)V");
		method_onReadRemoteRssi = env->GetMethodID(clazz, "onReadRemoteRssi", "(ILjava/lang/String;II)V");
		method_onConfigureMTU = env->GetMethodID(clazz, "onConfigureMTU", "(III)V");

		// Server callbacks

		@@ -1090,6 +1101,13 @@ static void gattSetAdvDataNative(JNIEnv *env, jobject object, jint client_if, jb
		}


		static void gattClientConfigureMTUNative(JNIEnv *env, jobject object,
		jint conn_id, jint mtu)
		{
		if (!sGattIf) return;
		sGattIf->client->configure_mtu(conn_id, mtu);
		}

		/**
		* Native server functions
		*/
		@@ -1303,6 +1321,7 @@ static JNINativeMethod sMethods[] = {
		{"gattClientRegisterForNotificationsNative", "(ILjava/lang/String;IIJJIJJZ)V", (void *) gattClientRegisterForNotificationsNative},
		{"gattClientReadRemoteRssiNative", "(ILjava/lang/String;)V", (void *) gattClientReadRemoteRssiNative},
		{"gattAdvertiseNative", "(IZ)V", (void *) gattAdvertiseNative},
		{"gattClientConfigureMTUNative", "(II)V", (void *) gattClientConfigureMTUNative},

		{"gattServerRegisterAppNative", "(JJ)V", (void *) gattServerRegisterAppNative},
		{"gattServerUnregisterAppNative", "(I)V", (void *) gattServerUnregisterAppNative},

android/app/src/com/android/bluetooth/gatt/GattService.java

+32 −0

Original line number	Diff line number	Diff line
		@@ -415,6 +415,12 @@ public class GattService extends ProfileService {
		service.readRemoteRssi(clientIf, address);
		}

		public void configureMTU(int clientIf, String address, int mtu) {
		GattService service = getService();
		if (service == null) return;
		service.configureMTU(clientIf, address, mtu);
		}

		public void registerServer(ParcelUuid uuid, IBluetoothGattServerCallback callback) {
		GattService service = getService();
		if (service == null) return;
		@@ -968,6 +974,18 @@ public class GattService extends ProfileService {
		app.callback.onAdvertiseStateChange(mAdvertisingState, status);
		}

		void onConfigureMTU(int connId, int status, int mtu) throws RemoteException {
		String address = mClientMap.addressByConnId(connId);

		if (DBG) Log.d(TAG, "onConfigureMTU() address=" + address + ", status="
		+ status + ", mtu=" + mtu);

		ClientMap.App app = mClientMap.getByConnId(connId);
		if (app != null) {
		app.callback.onConfigureMTU(address, mtu, status);
		}
		}

		/**************************************************************************
		* GATT Service functions - Shared CLIENT/SERVER
		*************************************************************************/
		@@ -1384,6 +1402,18 @@ public class GattService extends ProfileService {
		gattClientReadRemoteRssiNative(clientIf, address);
		}

		void configureMTU(int clientIf, String address, int mtu) {
		enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission");

		if (DBG) Log.d(TAG, "configureMTU() - address=" + address + " mtu=" + mtu);
		Integer connId = mClientMap.connIdByAddress(clientIf, address);
		if (connId != null) {
		gattClientConfigureMTUNative(connId, mtu);
		} else {
		Log.e(TAG, "configureMTU() - No connection for " + address + "...");
		}
		}

		/**************************************************************************
		* Callback functions - SERVER
		*************************************************************************/
		@@ -2051,6 +2081,8 @@ public class GattService extends ProfileService {

		private native void gattAdvertiseNative(int client_if, boolean start);

		private native void gattClientConfigureMTUNative(int conn_id, int mtu);

		private native void gattSetAdvDataNative(int serverIf, boolean setScanRsp, boolean inclName,
		boolean inclTxPower, int minInterval, int maxInterval,
		int appearance, byte[] manufacturerData, byte[] serviceData, byte[] serviceUuid);