diff options
Diffstat (limited to 'src/com/dsi/ant/server/AntService.java')
| -rw-r--r-- | src/com/dsi/ant/server/AntService.java | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/src/com/dsi/ant/server/AntService.java b/src/com/dsi/ant/server/AntService.java new file mode 100644 index 0000000..42882cc --- /dev/null +++ b/src/com/dsi/ant/server/AntService.java @@ -0,0 +1,461 @@ +/* + * ANT Stack + * + * Copyright 2009 Dynastream Innovations + * + * 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 com.dsi.ant.server; + +import android.content.Context; +import android.content.Intent; +import android.app.Service; +import android.os.IBinder; +import android.os.RemoteException; +import android.util.Log; + +import com.dsi.ant.core.*; + +import com.dsi.ant.server.AntHalDefine; +import com.dsi.ant.server.IAntHal; +import com.dsi.ant.server.IAntHalCallback; +import com.dsi.ant.server.Version; + +public class AntService extends Service +{ + private static final String TAG = "AntHalService"; + + private static final boolean DEBUG = false; + + public static final String ANT_SERVICE = "AntService"; + + private JAntJava mJAnt = null; + + private boolean mInitialized = false; + + private static Object sAntHalServiceDestroy_LOCK = new Object(); + + IAntHalCallback mCallback; + + public static boolean startService(Context context) + { + return ( null != context.startService(new Intent(IAntHal.class.getName())) ); + } + + private void setState(int state) + { + if(DEBUG) Log.i(TAG, "Setting ANT State = "+ state +" / "+ AntHalDefine.getAntHalStateString(state)); + + if (mCallback != null) + { + try + { + if(DEBUG) Log.d(TAG, "Calling status changed callback "+ mCallback.toString()); + + mCallback.antHalStateChanged(state); + } + catch (RemoteException e) + { + // Don't do anything as this is a problem in the application + + if(DEBUG) Log.e(TAG, "ANT HAL State Changed callback failure in application", e); + } + } + else + { + if(DEBUG) Log.d(TAG, "Calling status changed callback is null"); + } + } + + private int doGetAntState() + { + if(DEBUG) Log.v(TAG, "doGetAntState start"); + + int retState = mJAnt.getRadioEnabledStatus(); + if(DEBUG) Log.i(TAG, "Get ANT State = "+ retState +" / "+ AntHalDefine.getAntHalStateString(retState)); + + return retState; + } + + private int enableBlocking() + { + int ret = AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + synchronized(sAntHalServiceDestroy_LOCK) + { + if (mJAnt != null) + { + if(JAntStatus.SUCCESS == mJAnt.enable()) + { + if(DEBUG) Log.v(TAG, "Enable callback end: Success"); + ret = AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + else + { + if(DEBUG) Log.v(TAG, "Enable callback end: Failure"); + } + } + } + return ret; + } + + private int disableBlocking() + { + int ret = AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + synchronized(sAntHalServiceDestroy_LOCK) + { + if (mJAnt != null) + { + if(JAntStatus.SUCCESS == mJAnt.disable()) + { + if(DEBUG) Log.v(TAG, "Disable callback end: Success"); + ret = AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + else + { + if (DEBUG) Log.v(TAG, "Disable callback end: Failure"); + } + } + } + return ret; + } + + private int enableBackground() + { + if(DEBUG) Log.v(TAG, "Enable start"); + + if (DEBUG) Log.d(TAG, "Enable: enabling the radio"); + + new Thread(new Runnable() { + public void run() { + enableBlocking(); + } + }).start(); + + if(DEBUG) Log.v(TAG, "Enable call end: Successfully called"); + return AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + + private int disableBackground() + { + if(DEBUG) Log.v(TAG, "Disable start"); + + new Thread(new Runnable() { + public void run() { + disableBlocking(); + } + }).start(); + + if(DEBUG) Log.v(TAG, "Disable call end: Success"); + return AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + + private int doANTTxMessage(byte[] message) + { + if(DEBUG) Log.v(TAG, "ANT Tx Message start"); + + if(message == null) + { + Log.e(TAG, "ANTTxMessage invalid message: message is null"); + return AntHalDefine.ANT_HAL_RESULT_FAIL_INVALID_REQUEST; + } + + int result = AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + + JAntStatus status = mJAnt.ANTTxMessage(message); + + if(JAntStatus.SUCCESS == status) + { + if (DEBUG) Log.d (TAG, "mJAnt.ANTTxMessage returned status: " + status.toString()); + + result = AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + else + { + if (DEBUG) Log.w( TAG, "mJAnt.ANTTxMessage returned status: " + status.toString() ); + + if(JAntStatus.FAILED_BT_NOT_INITIALIZED == status) + { + result = AntHalDefine.ANT_HAL_RESULT_FAIL_NOT_ENABLED; + } + else if(JAntStatus.NOT_SUPPORTED == status) + { + result = AntHalDefine.ANT_HAL_RESULT_FAIL_NOT_SUPPORTED; + } + else if(JAntStatus.INVALID_PARM == status) + { + result = AntHalDefine.ANT_HAL_RESULT_FAIL_INVALID_REQUEST; + } + } + + if (DEBUG) Log.v(TAG, "ANTTxMessage: Result = "+ result); + + if(DEBUG) Log.v(TAG, "ANT Tx Message end"); + + return result; + } + + private int doRegisterAntHalCallback(IAntHalCallback callback) + { + if(DEBUG) Log.i(TAG, "Registering callback: "+ callback.toString()); + + mCallback = callback; + + return AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + + private int doUnregisterAntHalCallback(IAntHalCallback callback) + { + if(DEBUG) Log.i(TAG, "UNRegistering callback: "+ callback.toString()); + + int result = AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + + if(mCallback.asBinder() == callback.asBinder()) + { + mCallback = null; + result = AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + + return result; + } + + private int doGetServiceLibraryVersionCode() + { + return Version.ANT_HAL_LIBRARY_VERSION_CODE; + } + + private String doGetServiceLibraryVersionName() + { + return Version.ANT_HAL_LIBRARY_VERSION_NAME; + } + + private int doHardReset() + { + int ret = AntHalDefine.ANT_HAL_RESULT_FAIL_UNKNOWN; + synchronized(sAntHalServiceDestroy_LOCK) + { + if (mJAnt != null) + { + if(JAntStatus.SUCCESS == mJAnt.hardReset()) + { + if(DEBUG) Log.v(TAG, "Hard Reset end: Success"); + ret = AntHalDefine.ANT_HAL_RESULT_SUCCESS; + } + else + { + if (DEBUG) Log.v(TAG, "Hard Reset end: Failure"); + } + } + } + return ret; + } + + // ----------------------------------------------------------------------------------------- IAntHal + + private final IAntHal.Stub mHalBinder = new IAntHal.Stub() + { + public int setAntState(int state) + { + int result = AntHalDefine.ANT_HAL_RESULT_FAIL_INVALID_REQUEST; + + switch(state) + { + case AntHalDefine.ANT_HAL_STATE_ENABLED: + { + result = enableBackground(); + break; + } + case AntHalDefine.ANT_HAL_STATE_DISABLED: + { + result = disableBackground(); + break; + } + case AntHalDefine.ANT_HAL_STATE_RESET: + { + result = doHardReset(); + break; + } + } + + return result; + } + + public int getAntState() + { + return doGetAntState(); + } + + public int ANTTxMessage(byte[] message) + { + return doANTTxMessage(message); + } + + // Call these in onServiceConnected and when unbinding + public int registerAntHalCallback(IAntHalCallback callback) + { + return doRegisterAntHalCallback(callback); + } + + public int unregisterAntHalCallback(IAntHalCallback callback) + { + return doUnregisterAntHalCallback(callback); + } + + public int getServiceLibraryVersionCode() + { + return doGetServiceLibraryVersionCode(); + } + + public String getServiceLibraryVersionName() + { + return doGetServiceLibraryVersionName(); + } + }; // new IAntHal.Stub() + + // -------------------------------------------------------------------------------------- Service + + @Override + public void onCreate() + { + if (DEBUG) Log.d(TAG, "onCreate() entered"); + + super.onCreate(); + + if(null != mJAnt) + { + // This somehow happens when quickly starting/stopping an application. + if (DEBUG) Log.e(TAG, "LAST JAnt HCI Interface object not destroyed"); + } + // create a single new JAnt HCI Interface instance + mJAnt = new JAntJava(); + JAntStatus createResult = mJAnt.create(mJAntCallback); + + if (createResult == JAntStatus.SUCCESS) + { + mInitialized = true; + + if (DEBUG) Log.d(TAG, "JAntJava create success"); + } + else + { + mInitialized = false; + + if (DEBUG) Log.e(TAG, "JAntJava create failed: " + createResult); + } + } + + @Override + public void onDestroy() + { + if (DEBUG) Log.d(TAG, "onDestroy() entered"); + + try + { + if(null != mJAnt) + { + synchronized(sAntHalServiceDestroy_LOCK) + { + int result = disableBlocking(); + if (DEBUG) Log.d(TAG, "onDestroy: disable result is: " + AntHalDefine.getAntHalResultString(result)); + mJAnt.destroy(); + mJAnt = null; + } + } + + mCallback = null; + } + finally + { + super.onDestroy(); + } + } + + @Override + public IBinder onBind(Intent intent) + { + if (DEBUG) Log.d(TAG, "onBind() entered"); + + IBinder binder = null; + + if (mInitialized) + { + if(intent.getAction().equals(IAntHal.class.getName())) + { + if (DEBUG) Log.i(TAG, "Bind: IAntHal"); + + binder = mHalBinder; + } + } + + // As someone has started using us, make sure we run "forever" like we + // are a system service. + startService(this); + + return binder; + } + + @Override + public boolean onUnbind(Intent intent) + { + if (DEBUG) Log.d(TAG, "onUnbind() entered"); + + mCallback = null; + + return super.onUnbind(intent); + } + + @Override + public int onStartCommand(Intent intent, int flags, int startId) + { + if (DEBUG) Log.d(TAG, "onStartCommand() entered"); + + if (!mInitialized) + { + if (DEBUG) Log.e(TAG, "not initialized, stopping self"); + stopSelf(); + } + return START_NOT_STICKY; + } + + // ----------------------------------------------------------------------------------------- JAnt Callbacks + + private JAntJava.ICallback mJAntCallback = new JAntJava.ICallback() + { + public synchronized void ANTRxMessage( byte[] message) + { + if(null != mCallback) + { + try + { + mCallback.antHalRxMessage(message); + } + catch (RemoteException e) + { + // Don't do anything as this is a problem in the application + if(DEBUG) Log.e(TAG, "ANT HAL Rx Message callback failure in application", e); + } + } + else + { + Log.w(TAG, "JAnt callback called after service has been destroyed"); + } + } + + public synchronized void ANTStateChange(int NewState) + { + if (DEBUG) Log.i(TAG, "ANTStateChange callback to " + NewState); + setState(NewState); + } + }; +} + |