bluetooth networking (PAN) (573cdeaa) · Commits · e / os / android_frameworks_base

Android.mk

+1 −0

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		@@ -102,6 +102,7 @@ LOCAL_SRC_FILES += \
		core/java/android/bluetooth/IBluetoothHeadset.aidl \
		core/java/android/bluetooth/IBluetoothHid.aidl \
		core/java/android/bluetooth/IBluetoothPbap.aidl \
		core/java/android/bluetooth/IBluetoothNetwork.aidl \
		core/java/android/content/IContentService.aidl \
		core/java/android/content/IIntentReceiver.aidl \
		core/java/android/content/IIntentSender.aidl \

core/java/android/bluetooth/BluetoothNetwork.java

0 → 100644

+85 −0

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		/*
		* Copyright (C) 2008 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.bluetooth;

		import android.server.BluetoothNetworkService;
		import android.content.Context;
		import android.os.ServiceManager;
		import android.os.RemoteException;
		import android.os.IBinder;
		import android.util.Log;

		import java.util.Arrays;
		import java.util.Collections;
		import java.util.Set;
		import java.util.HashSet;

		/**
		* Public API for controlling the Bluetooth Network Profile Service.
		*
		* BluetoothNetwork is a proxy object for controlling the Bluetooth Network
		* Service via IPC.
		*
		* @hide
		*/
		public final class BluetoothNetwork {
		private static final String TAG = "BluetoothNetwork";

		public static final int STATE_DISCONNECTED = 0;
		public static final int STATE_CONNECTING = 1;
		public static final int STATE_CONNECTED = 2;
		public static final int STATE_DISCONNECTING = 3;

		private final IBluetoothNetwork mService;

		/**
		* Create a BluetoothA2dp proxy object for interacting with the local
		* Bluetooth Network service.
		* @param c Context
		*/
		public BluetoothNetwork(Context c) {
		IBinder b = ServiceManager.getService(BluetoothNetworkService.BLUETOOTH_NETWORK_SERVICE);
		if (b != null) {
		mService = IBluetoothNetwork.Stub.asInterface(b);
		} else {
		Log.w(TAG, "Bluetooth Network service not available!");

		// Instead of throwing an exception which prevents people from going
		// into Wireless settings in the emulator. Let it crash later when it is actually used.
		mService = null;
		}
		}

		/** Helper for converting a state to a string.
		* For debug use only - strings are not internationalized.
		* @hide
		*/
		public static String stateToString(int state) {
		switch (state) {
		case STATE_DISCONNECTED:
		return "disconnected";
		case STATE_CONNECTING:
		return "connecting";
		case STATE_CONNECTED:
		return "connected";
		case STATE_DISCONNECTING:
		return "disconnecting";
		default:
		return "<unknown state " + state + ">";
		}
		}
		}

core/java/android/bluetooth/IBluetoothNetwork.aidl

0 → 100644

+28 −0

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		/*
		* Copyright (C) 2008 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.bluetooth;

		import android.bluetooth.BluetoothDevice;

		/**
		* System private API for Bluetooth Network service
		*
		* {@hide}
		*/
		interface IBluetoothNetwork {

		}

core/java/android/os/INetworkManagementService.aidl

+9 −0

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		@@ -207,4 +207,13 @@ interface INetworkManagementService
		*/
		int getInterfaceTxThrottle(String iface);

		/**
		* Start Bluetooth NAP service
		*/
		void startPan();

		/**
		* Stop Bluetooth NAP service
		*/
		void stopPan();
		}

core/java/android/server/BluetoothNetworkService.java

0 → 100644

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		/*
		* Copyright (C) 2008 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		/**
		* TODO: Move this to services.jar
		* and make the contructor package private again.
		* @hide
		*/

		package android.server;

		import java.util.ArrayList;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.IBluetoothNetwork;
		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.net.ConnectivityManager;
		import android.net.InterfaceConfiguration;
		import android.os.IBinder;
		import android.os.INetworkManagementService;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.util.Log;
		import android.util.Slog;

		public class BluetoothNetworkService extends IBluetoothNetwork.Stub {
		private static final String TAG = "BluetoothNetworkService";

		public static final String BLUETOOTH_NETWORK_SERVICE = "bluetooth_network";

		private final Context mContext;
		private final BluetoothService mBluetoothService;

		private INetworkManagementService mService;

		public BluetoothNetworkService(Context context, BluetoothService bluetoothService) {
		mContext = context;
		mBluetoothService = bluetoothService;
		if (mBluetoothService == null) {
		throw new RuntimeException("Platform does not support Bluetooth");
		}
		IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE);
		mService = INetworkManagementService.Stub.asInterface(b);

		mContext.registerReceiver(mReceiver, new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
		mContext.registerReceiver(
		new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {

		ArrayList<String> available = intent.getStringArrayListExtra(
		ConnectivityManager.EXTRA_AVAILABLE_TETHER);
		ArrayList<String> active = intent.getStringArrayListExtra(
		ConnectivityManager.EXTRA_ACTIVE_TETHER);
		updateTetherState(available, active);

		}
		},new IntentFilter(ConnectivityManager.ACTION_TETHER_STATE_CHANGED));

		if (mBluetoothService.isEnabled())
		onBluetoothEnable();
		}

		private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		String action = intent.getAction();
		if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
		int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE,
		BluetoothAdapter.ERROR);
		switch (state) {
		case BluetoothAdapter.STATE_ON:
		onBluetoothEnable();
		break;
		case BluetoothAdapter.STATE_TURNING_OFF:
		onBluetoothDisable();
		break;
		}
		} else if (action.equals(BluetoothDevice.ACTION_BOND_STATE_CHANGED)) {
		int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE,
		BluetoothDevice.ERROR);
		switch(bondState) {
		case BluetoothDevice.BOND_BONDED:
		break;
		case BluetoothDevice.BOND_BONDING:
		case BluetoothDevice.BOND_NONE:
		break;
		}
		} else if (action.equals(BluetoothDevice.ACTION_ACL_CONNECTED)) {
		synchronized (this) {

		}
		} else if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
		synchronized (this) {
		}
		}
		}
		};

		private synchronized void onBluetoothEnable() {
		if(mService == null){
		IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE);
		mService = INetworkManagementService.Stub.asInterface(b);
		}

		if(mService == null){
		log("cannot start NetworkManagementService");
		return;
		}

		try {
		mService.startPan();
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		}

		private synchronized void onBluetoothDisable() {
		if(mService == null){
		IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE);
		mService = INetworkManagementService.Stub.asInterface(b);
		}

		if(mService == null){
		log("cannot start NetworkManagementService");
		return;
		}

		try {
		mService.stopPan();
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		}

		private void updateTetherState(ArrayList<String> available, ArrayList<String> tethered) {
		log("updating tether state");
		boolean wifiTethered = false;
		boolean wifiAvailable = false;

		IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE);
		INetworkManagementService service = INetworkManagementService.Stub.asInterface(b);

		ConnectivityManager mCm = (ConnectivityManager)mContext.getSystemService(Context.CONNECTIVITY_SERVICE);

		for (String intf : available) {
		log("interface " + intf);
		if (intf.equals("bnep0")) {
		log("configuring bnep0");
		InterfaceConfiguration ifcg = null;
		try {
		ifcg = service.getInterfaceConfig(intf);
		log("ifcg:" + ifcg.toString());
		if (ifcg != null) {
		/* IP/netmask: 192.168.43.1/255.255.255.0 */
		ifcg.ipAddr = (192 << 24) + (168 << 16) + (43 << 8) + 1;
		ifcg.netmask = (255 << 24) + (255 << 16) + (255 << 8) + 0;
		ifcg.interfaceFlags = "[up broadcast multicast]";
		service.setInterfaceConfig(intf, ifcg);
		}
		} catch (Exception e) {
		Slog.e(TAG, "Error configuring interface " + intf + ", :" + e);
		return;
		}
		log("about to tether");
		if(mCm.tether(intf) != ConnectivityManager.TETHER_ERROR_NO_ERROR) {
		Slog.e(TAG, "Error tethering "+intf);
		}
		}
		}
		}

		private static void log(String msg) {
		Log.d(TAG, msg);
		}
		}