Improve connection handling logic in ConnService (cbcfc800) · Commits · e / os / android_packages_apps_Bluetooth

src/com/android/bluetooth/hfpclient/HeadsetClientService.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -347,6 +347,7 @@ public class HeadsetClientService extends ProfileService {
		public boolean terminateCall(BluetoothDevice device, BluetoothHeadsetClientCall call) {
		HeadsetClientService service = getService();
		if (service == null) {
		Log.w(TAG, "service is null");
		return false;
		}
		return service.terminateCall(device, call.getUUID());

src/com/android/bluetooth/hfpclient/HeadsetClientStateMachine.java

+18 −10

Original line number	Diff line number	Diff line
		@@ -73,7 +73,7 @@ import com.android.bluetooth.R;

		final class HeadsetClientStateMachine extends StateMachine {
		private static final String TAG = "HeadsetClientStateMachine";
		private static final boolean DBG = false;
		private static final boolean DBG = true;

		static final int NO_ACTION = 0;

		@@ -111,11 +111,13 @@ final class HeadsetClientStateMachine extends StateMachine {

		public static final Integer HF_ORIGINATED_CALL_ID = new Integer(-1);
		private long OUTGOING_TIMEOUT_MILLI = 10 * 1000; // 10 seconds
		private long QUERY_CURRENT_CALLS_WAIT_MILLIS = 2 * 1000; // 2 seconds

		private final Disconnected mDisconnected;
		private final Connecting mConnecting;
		private final Connected mConnected;
		private final AudioOn mAudioOn;
		private long mClccTimer = 0;

		private final HeadsetClientService mService;

		@@ -464,7 +466,7 @@ final class HeadsetClientStateMachine extends StateMachine {
		}

		if (loopQueryCalls()) {
		sendMessageDelayed(QUERY_CURRENT_CALLS, 1523);
		sendMessageDelayed(QUERY_CURRENT_CALLS, QUERY_CURRENT_CALLS_WAIT_MILLIS);
		}

		mCallsUpdate.clear();
		@@ -1315,7 +1317,19 @@ final class HeadsetClientStateMachine extends StateMachine {
		}
		break;
		case QUERY_CURRENT_CALLS:
		// Whenever the timer expires we query calls if there are outstanding requests
		// for query calls.
		long currentElapsed = SystemClock.elapsedRealtime();
		if (mClccTimer < currentElapsed) {
		queryCallsStart();
		mClccTimer = currentElapsed + QUERY_CURRENT_CALLS_WAIT_MILLIS;
		// Request satisfied, ignore all other call query messages.
		removeMessages(QUERY_CURRENT_CALLS);
		} else {
		// Replace all messages with one concrete message.
		removeMessages(QUERY_CURRENT_CALLS);
		sendMessageDelayed(QUERY_CURRENT_CALLS, QUERY_CURRENT_CALLS_WAIT_MILLIS);
		}
		break;
		case STACK_EVENT:
		Intent intent = null;
		@@ -1531,13 +1545,7 @@ final class HeadsetClientStateMachine extends StateMachine {
		case TERMINATE_SPECIFIC_CALL:
		// if terminating specific succeed no other
		// event is send
		if (event.valueInt == BluetoothHeadsetClient.ACTION_RESULT_OK) {
		BluetoothHeadsetClientCall sc =
		(BluetoothHeadsetClientCall) queuedAction.second;
		setCallState(sc,
		BluetoothHeadsetClientCall.CALL_STATE_TERMINATED);
		mCalls.remove(sc.getId());
		} else {
		if (event.valueInt != BluetoothHeadsetClient.ACTION_RESULT_OK) {
		sendActionResultIntent(event);
		}
		break;

src/com/android/bluetooth/hfpclient/connserv/HfpClientConnection.java

+76 −36

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@ import android.content.Context;
		import android.net.Uri;
		import android.telecom.Connection;
		import android.telecom.DisconnectCause;
		import android.telecom.PhoneAccount;
		import android.telecom.TelecomManager;
		import android.util.Log;

		@@ -30,38 +31,64 @@ import java.util.UUID;

		public class HfpClientConnection extends Connection {
		private static final String TAG = "HfpClientConnection";
		private static final boolean DBG = true;

		private final Context mContext;
		private final BluetoothDevice mDevice;

		private BluetoothHeadsetClient mHeadsetProfile;

		private BluetoothHeadsetClientCall mCurrentCall;
		private boolean mClosed;
		private boolean mLocalDisconnect;
		private boolean mClientHasEcc;
		private boolean mAdded;

		// Constructor to be used when there's an existing call (such as that created on the AG or
		// when connection happens and we see calls for the first time).
		public HfpClientConnection(Context context, BluetoothDevice device,
		BluetoothHeadsetClient client, BluetoothHeadsetClientCall call, Uri number) {
		BluetoothHeadsetClient client, BluetoothHeadsetClientCall call) {
		mDevice = device;
		mContext = context;
		mHeadsetProfile = client;

		setInitializing();
		if (call == null) {
		throw new IllegalStateException("Call is null");
		}

		if (call != null) {
		mCurrentCall = call;
		handleCallChanged();
		} else if (mHeadsetProfile != null) {
		finishInitializing();
		}

		// Constructor to be used when a call is intiated on the HF. The call handle is obtained by
		// using the dial() command.
		public HfpClientConnection(Context context, BluetoothDevice device,
		BluetoothHeadsetClient client, Uri number) {
		mDevice = device;
		mContext = context;
		mHeadsetProfile = client;

		if (mHeadsetProfile == null) {
		throw new IllegalStateException("HeadsetProfile is null, returning");
		}

		mCurrentCall = mHeadsetProfile.dial(
		mDevice, number.getSchemeSpecificPart());
		if (mCurrentCall == null) {
		close(DisconnectCause.ERROR);
		Log.e(TAG, "Failed to create the call, dial failed.");
		return;
		}

		setInitializing();
		setDialing();
		finishInitializing();
		}

		if (mHeadsetProfile != null) {
		void finishInitializing() {
		mClientHasEcc = HfpClientConnectionService.hasHfpClientEcc(mHeadsetProfile, mDevice);
		}
		setAudioModeIsVoip(false);
		Uri number = Uri.fromParts(PhoneAccount.SCHEME_TEL, mCurrentCall.getNumber(), null);
		setAddress(number, TelecomManager.PRESENTATION_ALLOWED);
		setConnectionCapabilities(CAPABILITY_SUPPORT_HOLD \| CAPABILITY_MUTE \|
		CAPABILITY_SEPARATE_FROM_CONFERENCE \| CAPABILITY_DISCONNECT_FROM_CONFERENCE \|
		@@ -72,12 +99,6 @@ public class HfpClientConnection extends Connection {
		return mCurrentCall.getUUID();
		}

		public void onHfpConnected(BluetoothHeadsetClient client) {
		mHeadsetProfile = client;
		mClientHasEcc = HfpClientConnectionService.hasHfpClientEcc(mHeadsetProfile, mDevice);
		handleCallChanged();
		}

		public void onHfpDisconnected() {
		mHeadsetProfile = null;
		close(DisconnectCause.ERROR);
		@@ -92,7 +113,7 @@ public class HfpClientConnection extends Connection {
		}

		public boolean inConference() {
		return mAdded && mCurrentCall != null && mCurrentCall.isMultiParty() &&
		return mAdded && mCurrentCall.isMultiParty() &&
		getState() != Connection.STATE_DISCONNECTED;
		}

		@@ -102,6 +123,10 @@ public class HfpClientConnection extends Connection {
		}

		public void updateCall(BluetoothHeadsetClientCall call) {
		if (call == null) {
		Log.e(TAG, "Updating call to a null value.");
		return;
		}
		mCurrentCall = call;
		}

		@@ -109,7 +134,9 @@ public class HfpClientConnection extends Connection {
		HfpClientConference conference = (HfpClientConference) getConference();
		int state = mCurrentCall.getState();

		if (DBG) {
		Log.d(TAG, "Got call state change to " + state);
		}
		switch (state) {
		case BluetoothHeadsetClientCall.CALL_STATE_ACTIVE:
		setActive();
		@@ -142,11 +169,12 @@ public class HfpClientConnection extends Connection {
		}

		private void close(int cause) {
		if (DBG) {
		Log.d(TAG, "Closing " + mClosed);
		}
		if (mClosed) {
		return;
		}

		setDisconnected(new DisconnectCause(cause));

		mClosed = true;
		@@ -157,34 +185,40 @@ public class HfpClientConnection extends Connection {

		@Override
		public void onPlayDtmfTone(char c) {
		if (DBG) {
		Log.d(TAG, "onPlayDtmfTone " + c + " " + mCurrentCall);
		if (!mClosed && mHeadsetProfile != null) {
		}
		if (!mClosed) {
		mHeadsetProfile.sendDTMF(mDevice, (byte) c);
		}
		}

		@Override
		public synchronized void onDisconnect() {
		Log.d(TAG, "onDisconnect " + mCurrentCall);
		// In this state we can close the call without problems.
		if (mHeadsetProfile != null) {
		if (DBG) {
		Log.d(TAG, "onDisconnect call: " + mCurrentCall + " state: " + mClosed);
		}
		// The call is not closed so we should send a terminate here.
		if (!mClosed) {
		mHeadsetProfile.terminateCall(mDevice, mCurrentCall);
		mLocalDisconnect = true;
		} else if (mCurrentCall == null) {
		Log.w(TAG, "Call disconnected but call handle not received.");
		}
		}

		@Override
		public void onAbort() {
		if (DBG) {
		Log.d(TAG, "onAbort " + mCurrentCall);
		}
		onDisconnect();
		}

		@Override
		public void onHold() {
		if (DBG) {
		Log.d(TAG, "onHold " + mCurrentCall);
		if (!mClosed && mHeadsetProfile != null) {
		}
		if (!mClosed) {
		mHeadsetProfile.holdCall(mDevice);
		}
		}
		@@ -195,15 +229,19 @@ public class HfpClientConnection extends Connection {
		Log.w(TAG, "Ignoring unhold; call hold on the foreground call");
		return;
		}
		if (DBG) {
		Log.d(TAG, "onUnhold " + mCurrentCall);
		if (!mClosed && mHeadsetProfile != null) {
		}
		if (!mClosed) {
		mHeadsetProfile.acceptCall(mDevice, BluetoothHeadsetClient.CALL_ACCEPT_HOLD);
		}
		}

		@Override
		public void onAnswer() {
		if (DBG) {
		Log.d(TAG, "onAnswer " + mCurrentCall);
		}
		if (!mClosed) {
		mHeadsetProfile.acceptCall(mDevice, BluetoothHeadsetClient.CALL_ACCEPT_NONE);
		}
		@@ -211,7 +249,9 @@ public class HfpClientConnection extends Connection {

		@Override
		public void onReject() {
		if (DBG) {
		Log.d(TAG, "onReject " + mCurrentCall);
		}
		if (!mClosed) {
		mHeadsetProfile.rejectCall(mDevice);
		}

src/com/android/bluetooth/hfpclient/connserv/HfpClientConnectionService.java

+92 −32

Original line number	Diff line number	Diff line
		@@ -69,7 +69,9 @@ public class HfpClientConnectionService extends ConnectionService {
		private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		if (DBG) {
		Log.d(TAG, "onReceive " + intent);
		}
		String action = intent != null ? intent.getAction() : null;

		if (BluetoothHeadsetClient.ACTION_CONNECTION_STATE_CHANGED.equals(action)) {
		@@ -77,7 +79,9 @@ public class HfpClientConnectionService extends ConnectionService {
		int newState = intent.getIntExtra(BluetoothProfile.EXTRA_STATE, -1);

		if (newState == BluetoothProfile.STATE_CONNECTED) {
		if (DBG) {
		Log.d(TAG, "Established connection with " + device);
		}
		synchronized (HfpClientConnectionService.this) {
		if (device.equals(mDevice)) {
		// We are already connected and this message can be safeuly ignored.
		@@ -105,7 +109,9 @@ public class HfpClientConnectionService extends ConnectionService {
		if (mHeadsetProfile != null) {
		List<BluetoothHeadsetClientCall> calls =
		mHeadsetProfile.getCurrentCalls(mDevice);
		if (DBG) {
		Log.d(TAG, "Got calls " + calls);
		}
		if (calls == null) {
		// We can get null as a return if we are not connected. Hence there may
		// be a race in getting the broadcast and HFP Client getting
		@@ -120,11 +126,15 @@ public class HfpClientConnectionService extends ConnectionService {
		Log.e(TAG, "headset profile is null, ignoring broadcast.");
		}
		} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
		if (DBG) {
		Log.d(TAG, "Disconnecting from " + device);
		}
		// Disconnect any inflight calls from the connection service.
		synchronized (HfpClientConnectionService.this) {
		if (device.equals(mDevice)) {
		if (DBG) {
		Log.d(TAG, "Resetting state for " + device);
		}
		mDevice = null;
		disconnectAll();
		mTelecomManager.unregisterPhoneAccount(
		@@ -138,15 +148,19 @@ public class HfpClientConnectionService extends ConnectionService {
		// be added (see ACTION_CONNECTION_STATE_CHANGED intent above).
		handleCall((BluetoothHeadsetClientCall)
		intent.getParcelableExtra(BluetoothHeadsetClient.EXTRA_CALL));
		if (DBG) {
		Log.d(TAG, mConnections.size() + " remaining");
		}
		}
		}
		};

		@Override
		public void onCreate() {
		super.onCreate();
		if (DBG) {
		Log.d(TAG, "onCreate");
		}
		mAdapter = BluetoothAdapter.getDefaultAdapter();
		mTelecomManager = (TelecomManager) getSystemService(Context.TELECOM_SERVICE);
		mAdapter.getProfileProxy(this, mServiceListener, BluetoothProfile.HEADSET_CLIENT);
		@@ -154,7 +168,9 @@ public class HfpClientConnectionService extends ConnectionService {

		@Override
		public void onDestroy() {
		if (DBG) {
		Log.d(TAG, "onDestroy called");
		}
		// Close the profile.
		if (mHeadsetProfile != null) {
		mAdapter.closeProfileProxy(BluetoothProfile.HEADSET_CLIENT, mHeadsetProfile);
		@@ -180,7 +196,9 @@ public class HfpClientConnectionService extends ConnectionService {

		@Override
		public int onStartCommand(Intent intent, int flags, int startId) {
		if (DBG) {
		Log.d(TAG, "onStartCommand " + intent);
		}
		// In order to make sure that the service is sticky (recovers from errors when HFP
		// connection is still active) and to stop it we need a special intent since stopService
		// only recreates it.
		@@ -206,9 +224,11 @@ public class HfpClientConnectionService extends ConnectionService {
		}

		private void handleCall(BluetoothHeadsetClientCall call) {
		Uri number = Uri.fromParts(PhoneAccount.SCHEME_TEL, call.getNumber(), null);
		Log.d(TAG, "Got call " + call.toString(true) + "/" + number);
		if (DBG) {
		Log.d(TAG, "Got call " + call.toString(true));
		}
		HfpClientConnection connection = findConnectionKey(call.getUUID());

		if (connection != null) {
		connection.updateCall(call);
		connection.handleCallChanged();
		@@ -216,7 +236,7 @@ public class HfpClientConnectionService extends ConnectionService {

		if (connection == null) {
		// Create the connection here, trigger Telecom to bind to us.
		buildConnection(call.getDevice(), call, number);
		buildConnection(call.getDevice(), call, null);

		PhoneAccountHandle handle = getHandle();
		TelecomManager manager =
		@@ -228,7 +248,8 @@ public class HfpClientConnectionService extends ConnectionService {
		Bundle b = new Bundle();
		if (call.getState() == BluetoothHeadsetClientCall.CALL_STATE_DIALING \|\|
		call.getState() == BluetoothHeadsetClientCall.CALL_STATE_ALERTING \|\|
		call.getState() == BluetoothHeadsetClientCall.CALL_STATE_ACTIVE) {
		call.getState() == BluetoothHeadsetClientCall.CALL_STATE_ACTIVE \|\|
		call.getState() == BluetoothHeadsetClientCall.CALL_STATE_WAITING) {
		// This is an outgoing call. Even if it is an active call we do not have a way of
		// putting that parcelable in a seaprate field.
		b.putParcelable(TelecomManager.EXTRA_OUTGOING_CALL_EXTRAS, call);
		@@ -239,7 +260,9 @@ public class HfpClientConnectionService extends ConnectionService {
		manager.addNewIncomingCall(handle, b);
		}
		} else if (call.getState() == BluetoothHeadsetClientCall.CALL_STATE_TERMINATED) {
		Log.d(TAG, "Removing number " + number);
		if (DBG) {
		Log.d(TAG, "Removing call " + call);
		}
		synchronized (this) {
		mConnections.remove(call.getUUID());
		}
		@@ -252,7 +275,10 @@ public class HfpClientConnectionService extends ConnectionService {
		public Connection onCreateIncomingConnection(
		PhoneAccountHandle connectionManagerAccount,
		ConnectionRequest request) {
		Log.d(TAG, "onCreateIncomingConnection " + connectionManagerAccount + " req: " + request);
		if (DBG) {
		Log.d(TAG, "onCreateIncomingConnection " + connectionManagerAccount +
		" req: " + request);
		}
		if (connectionManagerAccount != null &&
		!getHandle().equals(connectionManagerAccount)) {
		Log.w(TAG, "HfpClient does not support having a connection manager");
		@@ -285,7 +311,9 @@ public class HfpClientConnectionService extends ConnectionService {
		public Connection onCreateOutgoingConnection(
		PhoneAccountHandle connectionManagerAccount,
		ConnectionRequest request) {
		if (DBG) {
		Log.d(TAG, "onCreateOutgoingConnection " + connectionManagerAccount);
		}
		if (connectionManagerAccount != null &&
		!getHandle().equals(connectionManagerAccount)) {
		Log.w(TAG, "HfpClient does not support having a connection manager");
		@@ -294,7 +322,9 @@ public class HfpClientConnectionService extends ConnectionService {

		HfpClientConnection connection =
		buildConnection(getDevice(request.getAccountHandle()), null, request.getAddress());
		if (connection != null) {
		connection.onAdded();
		}
		return connection;
		}

		@@ -305,7 +335,9 @@ public class HfpClientConnectionService extends ConnectionService {
		public Connection onCreateUnknownConnection(
		PhoneAccountHandle connectionManagerAccount,
		ConnectionRequest request) {
		if (DBG) {
		Log.d(TAG, "onCreateUnknownConnection " + connectionManagerAccount);
		}
		if (connectionManagerAccount != null &&
		!getHandle().equals(connectionManagerAccount)) {
		Log.w(TAG, "HfpClient does not support having a connection manager");
		@@ -336,7 +368,9 @@ public class HfpClientConnectionService extends ConnectionService {

		@Override
		public void onConference(Connection connection1, Connection connection2) {
		if (DBG) {
		Log.d(TAG, "onConference " + connection1 + " " + connection2);
		}
		if (mConference == null) {
		BluetoothDevice device = getDevice(getHandle());
		mConference = new HfpClientConference(getHandle(), device, mHeadsetProfile);
		@@ -426,6 +460,7 @@ public class HfpClientConnectionService extends ConnectionService {
		for (HfpClientConnection connection : mConnections.values()) {
		connection.onHfpDisconnected();
		}

		mConnections.clear();
		if (mConference != null) {
		mConference.destroy();
		@@ -441,24 +476,47 @@ public class HfpClientConnectionService extends ConnectionService {

		private synchronized HfpClientConnection buildConnection(
		BluetoothDevice device, BluetoothHeadsetClientCall call, Uri number) {
		if (mHeadsetProfile == null) {
		Log.e(TAG, "Cannot create connection for call " + call + " when Profile not available");
		return null;
		}

		if (call == null && number == null) {
		Log.e(TAG, "Both call and number cannot be null.");
		return null;
		}

		if (DBG) {
		Log.d(TAG, "Creating connection on " + device + " for " + call + "/" + number);
		HfpClientConnection connection =
		new HfpClientConnection(this, device, mHeadsetProfile, call, number);
		}
		HfpClientConnection connection = null;
		if (call != null) {
		connection = new HfpClientConnection(this, device, mHeadsetProfile, call);
		} else {
		connection = new HfpClientConnection(this, device, mHeadsetProfile, number);
		}
		if (connection.getState() != Connection.STATE_DISCONNECTED) {
		mConnections.put(connection.getUUID(), connection);
		}

		return connection;
		}

		BluetoothProfile.ServiceListener mServiceListener = new BluetoothProfile.ServiceListener() {
		@Override
		public void onServiceConnected(int profile, BluetoothProfile proxy) {
		if (DBG) {
		Log.d(TAG, "onServiceConnected");
		}
		mHeadsetProfile = (BluetoothHeadsetClient) proxy;

		List<BluetoothDevice> devices = mHeadsetProfile.getConnectedDevices();
		if (devices == null \|\| devices.size() != 1) {
		Log.w(TAG, "No connected or more than one connected devices found." + devices);
		} else { // We have exactly one device connected.
		if (DBG) {
		Log.d(TAG, "Creating phone account.");
		}
		synchronized (HfpClientConnectionService.this) {
		mDevice = devices.get(0);
		mDevicePhoneAccount = getAccount(HfpClientConnectionService.this, mDevice);
		@@ -470,12 +528,10 @@ public class HfpClientConnectionService extends ConnectionService {
		}
		}

		for (HfpClientConnection connection : mConnections.values()) {
		connection.onHfpConnected(mHeadsetProfile);
		}

		List<BluetoothHeadsetClientCall> calls = mHeadsetProfile.getCurrentCalls(mDevice);
		if (DBG) {
		Log.d(TAG, "Got calls " + calls);
		}
		if (calls != null) {
		for (BluetoothHeadsetClientCall call : calls) {
		handleCall(call);
		@@ -490,7 +546,9 @@ public class HfpClientConnectionService extends ConnectionService {

		@Override
		public void onServiceDisconnected(int profile) {
		if (DBG) {
		Log.d(TAG, "onServiceDisconnected " + profile);
		}
		mHeadsetProfile = null;
		disconnectAll();
		}
		@@ -517,7 +575,9 @@ public class HfpClientConnectionService extends ConnectionService {
		.setSupportedUriSchemes(Arrays.asList(PhoneAccount.SCHEME_TEL))
		.setCapabilities(PhoneAccount.CAPABILITY_CALL_PROVIDER)
		.build();
		if (DBG) {
		Log.d(TAG, "phoneaccount: " + account);
		}
		return account;
		}
		}