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Commit db658ae5 authored by Vincent Bourgmayer's avatar Vincent Bourgmayer
Browse files

299 step 3 replace service binding

parent 1d10f73b

app/src/main/java/foundation/e/drive/EdriveApplication.java

+2 −10
Original line number Diff line number Diff line
@@ -12,14 +12,12 @@ import android.accounts.Account; 
import android.accounts.AccountManager;

import android.app.Application;

import android.content.Context;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Environment;



import foundation.e.drive.FileObservers.FileEventListener;

import foundation.e.drive.FileObservers.RecursiveFileObserver;

import foundation.e.drive.database.FailedSyncPrefsManager;

import foundation.e.drive.services.SynchronizationService;

import foundation.e.drive.utils.AppConstants;

import foundation.e.drive.utils.CommonUtils;

import foundation.e.drive.utils.ReleaseTree;
@@ -58,27 +56,21 @@ public class EdriveApplication extends Application { 
                    .apply();

        }



        startRecursiveFileObserver();

        FailedSyncPrefsManager.getInstance(getApplicationContext()).clearPreferences();



        final Intent SynchronizationServiceIntent = new Intent(getApplicationContext(), SynchronizationService.class);

        startService(SynchronizationServiceIntent);

    }



    /**

     * Start Recursive FileObserver if not already watching

     */

    public void startRecursiveFileObserver() {

    synchronized public void startRecursiveFileObserver() {

        if (!mFileObserver.isWatching()) {

            fileEventListener.bindToSynchronizationService();

            mFileObserver.startWatching();

            Timber.d("Started RecursiveFileObserver on root folder");

        }

    }



    public void stopRecursiveFileObserver() {

    synchronized public void stopRecursiveFileObserver() {

        mFileObserver.stopWatching();

        fileEventListener.unbindFromSynchronizationService();

        Timber.d("Stopped RecursiveFileObserver on root folder");

    }

app/src/main/java/foundation/e/drive/FileObservers/FileEventListener.java

+5 −18
Original line number Diff line number Diff line
@@ -28,8 +28,8 @@ import foundation.e.drive.database.DbHelper; 
import foundation.e.drive.models.SyncRequest;

import foundation.e.drive.models.SyncedFileState;

import foundation.e.drive.models.SyncedFolder;

import foundation.e.drive.services.SynchronizationService;

import foundation.e.drive.utils.SynchronizationServiceConnection;

import foundation.e.drive.synchronization.SyncRequestCollector;

import foundation.e.drive.synchronization.SyncProxy;

import timber.log.Timber;



/**
@@ -39,7 +39,6 @@ import timber.log.Timber; 
public class FileEventListener  {



    private final Context appContext;

    private final SynchronizationServiceConnection serviceConnection = new SynchronizationServiceConnection();



    public FileEventListener(@NonNull Context applicationContext) {

        Timber.tag(FileEventListener.class.getSimpleName());
@@ -108,14 +107,10 @@ public class FileEventListener { 
    private void sendSyncRequestToSynchronizationService(@NonNull SyncRequest request) {

        Timber.d("Sending a SyncRequest for %s", request.getSyncedFileState().getName());



        SynchronizationService service = serviceConnection.getSynchronizationService();

        final SyncRequestCollector syncManager = SyncProxy.INSTANCE;

        syncManager.queueSyncRequest(request, appContext.getApplicationContext());

        syncManager.startSynchronization(appContext);



        if (service != null) {

            service.queueSyncRequest(request);

            service.startSynchronization();

        } else {

            Timber.d("Impossible to send SyncRequest. FileEventListener is not bound to SynchronizationService");

        }

    }



    /**
@@ -245,12 +240,4 @@ public class FileEventListener { 
            this.sendSyncRequestToSynchronizationService(disableSyncingRequest);

        }

    }



    public void unbindFromSynchronizationService(){

        serviceConnection.unBind(appContext);

    }



    public void bindToSynchronizationService(){

        serviceConnection.bindService(appContext);

    }

}

app/src/main/java/foundation/e/drive/receivers/BootCompletedReceiver.java

+4 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 


package foundation.e.drive.receivers;



import android.app.Application;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;
@@ -18,6 +19,7 @@ import androidx.annotation.NonNull; 


import foundation.e.drive.BuildConfig;

import foundation.e.drive.database.DbHelper;

import foundation.e.drive.synchronization.SyncProxy;

import foundation.e.drive.utils.AppConstants;

import foundation.e.drive.utils.CommonUtils;

import timber.log.Timber;
@@ -51,6 +53,8 @@ public class BootCompletedReceiver extends BroadcastReceiver { 
                    Timber.e(exception);

                }

            }



            SyncProxy.INSTANCE.startListeningFiles((Application) context.getApplicationContext());

        }

    }

app/src/main/java/foundation/e/drive/services/ObserverService.java

+18 −50
Original line number Diff line number Diff line
@@ -14,7 +14,6 @@ import static foundation.e.drive.utils.AppConstants.SETUP_COMPLETED; 
import android.accounts.Account;

import android.accounts.AccountManager;

import android.app.Service;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.SharedPreferences;
@@ -48,11 +47,12 @@ import foundation.e.drive.models.SyncedFileState; 
import foundation.e.drive.models.SyncedFolder;

import foundation.e.drive.operations.ListFileRemoteOperation;

import foundation.e.drive.receivers.DebugCmdReceiver;

import foundation.e.drive.synchronization.SyncRequestCollector;

import foundation.e.drive.synchronization.SyncProxy;

import foundation.e.drive.utils.AppConstants;

import foundation.e.drive.utils.CommonUtils;

import foundation.e.drive.utils.DavClientProvider;

import foundation.e.drive.utils.ServiceExceptionHandler;

import foundation.e.drive.utils.SynchronizationServiceConnection;

import timber.log.Timber;



/**
@@ -62,26 +62,14 @@ import timber.log.Timber; 
 * This service look for remote or looale file to synchronize

 */

public class ObserverService extends Service implements OnRemoteOperationListener{

    private final static int INTERSYNC_MINIMUM_DELAY = 900000; // min delay between two sync in ms.

    private final static int INTERSYNC_MINIMUM_DELAY = 900000; // min delay execution two sync in ms.



    private List<SyncedFolder> mSyncedFolders; //List of synced folder

    private boolean isWorking = false;

    private Account mAccount;

    private HashMap<Integer, SyncRequest> syncRequests; //integer is SyncedFileState id; Parcelable is the operation

    private SynchronizationServiceConnection synchronizationServiceConnection = new SynchronizationServiceConnection() {

        @Override

        public void onServiceConnected(@Nullable ComponentName componentName, @NonNull IBinder iBinder) {

            super.onServiceConnected(componentName, iBinder);

            final SharedPreferences prefs = getApplicationContext().getSharedPreferences(AppConstants.SHARED_PREFERENCE_NAME, Context.MODE_PRIVATE);



            if (!checkStartCondition(prefs, forcedSync)) {

                stopSelf();

                return;

            }

    private final SyncRequestCollector syncManager = SyncProxy.INSTANCE;



            begin();

        }

    };

    private Handler handler;

    private HandlerThread handlerThread;

    // protected to avoid SyntheticAccessor
@@ -91,7 +79,6 @@ public class ObserverService extends Service implements OnRemoteOperationListene 
    @Override

    public void onDestroy(){

        Timber.v("onDestroy()");

        synchronizationServiceConnection.unBind(getApplicationContext());

        if (handlerThread != null) handlerThread.quitSafely();

        mSyncedFolders = null;

        super.onDestroy();
@@ -101,7 +88,6 @@ public class ObserverService extends Service implements OnRemoteOperationListene 
    public void onCreate() {

        super.onCreate();

        Timber.tag(ObserverService.class.getSimpleName());

        synchronizationServiceConnection.bindService(getApplicationContext());

    }



    @Override
@@ -120,6 +106,13 @@ public class ObserverService extends Service implements OnRemoteOperationListene 


        this.syncRequests = new HashMap<>();



        if (!checkStartCondition(prefs, forcedSync)) {

            syncManager.startListeningFiles(getApplication());

            stopSelf();

            return START_NOT_STICKY;

        }



        begin();

        return START_STICKY;

    }
@@ -156,11 +149,6 @@ public class ObserverService extends Service implements OnRemoteOperationListene 
            return false;

        }



        if (isWorking) {

            Timber.d("ObserverService is already working");

            return false;

        }



        // Check minimum delay since last call & not forced sync

        /*@todo is it really usefull to check time beetween to start as it is started by WorkManager?

        it matters only if we want to consider forced sync */
@@ -178,12 +166,10 @@ public class ObserverService extends Service implements OnRemoteOperationListene 
            return false;

        }



        final SynchronizationService service =

                synchronizationServiceConnection.getSynchronizationService();



        final boolean isSyncServicePaused = service != null && service.pauseSync();

        Timber.d("isSyncServicePaused ? %s", isSyncServicePaused);

        return isSyncServicePaused;

        final boolean startAllowed = syncManager.onPeriodicScanStart(getApplication());

        Timber.d("starting periodic scan is allowed ? %s", startAllowed);

        return startAllowed;

    }



    /* Common methods */
@@ -193,7 +179,6 @@ public class ObserverService extends Service implements OnRemoteOperationListene 
     */

    // protected to avoid SyntheticAccessor

    protected void begin(){

        this.isWorking = true;

        clearCachedFile();

        deleteOldestCrashlogs();

        startScan(true);
@@ -330,39 +315,22 @@ public class ObserverService extends Service implements OnRemoteOperationListene 


        startScan(false);



        SynchronizationService service = synchronizationServiceConnection.getSynchronizationService();

        if (service != null) {

            service.unPauseSync();

        }



        if (!syncRequests.isEmpty()) {

            Timber.d("syncRequests contains %s", syncRequests.size());

            passSyncRequestsToSynchronizationService();

            syncManager.queueSyncRequests(syncRequests.values(), getApplicationContext());

            syncManager.startSynchronization(getApplicationContext());

        } else {

            Timber.i("There is no file to sync.");

            getSharedPreferences(AppConstants.SHARED_PREFERENCE_NAME, Context.MODE_PRIVATE)

                    .edit()

                    .putLong(AppConstants.KEY_LAST_SYNC_TIME, System.currentTimeMillis())

                    .apply();

            syncManager.startListeningFiles(getApplication());

        }



        this.isWorking = false;

        this.stopSelf();

    }



    /**

     * Send all gathered SyncRequest to SynchronizationService

     */

    private void passSyncRequestsToSynchronizationService() {

        SynchronizationService service = synchronizationServiceConnection.getSynchronizationService();

        if (service != null) {

            service.queueSyncRequests(syncRequests.values());

            service.startSynchronization();

        } else {

            Timber.e("ERROR: binding to SynchronizationService lost");

        }

    }



    /**

     * Prepare the list of files and SyncedFileState for synchronisation

     */

app/src/main/java/foundation/e/drive/services/SynchronizationService.java

+27 −137
Original line number Diff line number Diff line
@@ -15,7 +15,6 @@ import android.app.Service; 
import android.content.Context;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Binder;

import android.os.Handler;

import android.os.HandlerThread;

import android.os.IBinder;
@@ -28,10 +27,7 @@ import com.owncloud.android.lib.common.operations.RemoteOperation; 
import com.owncloud.android.lib.common.operations.RemoteOperationResult;



import java.io.File;

import java.util.Collection;

import java.util.Map;

import java.util.concurrent.ConcurrentHashMap;

import java.util.concurrent.ConcurrentLinkedDeque;



import foundation.e.drive.R;

import foundation.e.drive.database.DbHelper;
@@ -41,6 +37,8 @@ import foundation.e.drive.models.SyncWrapper; 
import foundation.e.drive.models.SyncedFileState;

import foundation.e.drive.operations.DownloadFileOperation;

import foundation.e.drive.operations.UploadFileOperation;

import foundation.e.drive.synchronization.SyncManager;

import foundation.e.drive.synchronization.SyncProxy;

import foundation.e.drive.utils.AppConstants;

import foundation.e.drive.utils.CommonUtils;

import foundation.e.drive.utils.DavClientProvider;
@@ -51,10 +49,7 @@ import timber.log.Timber; 
 * @author Vincent Bourgmayer

 */

public class SynchronizationService extends Service implements OnRemoteOperationListener, FileSyncDisabler.FileSyncDisablingListener {

    private final SynchronizationBinder binder = new SynchronizationBinder();

    private final static long maxPauseTimeInMs = 300000; //5 minutes, might need to be adapted

    private ConcurrentLinkedDeque<SyncRequest> syncRequestQueue;

    private ConcurrentHashMap<Integer, SyncWrapper> startedSync; //Integer is thread index (1 to workerAmount)

    private final SyncManager syncManager = SyncProxy.INSTANCE;



    private Account account;

    private final int workerAmount = 2;
@@ -64,7 +59,6 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
    private OwnCloudClient ocClient;

    private Handler handler;

    private HandlerThread handlerThread;

    private long pauseStartTime = 0L;



    @Override

    public void onCreate() {
@@ -84,12 +78,11 @@ public class SynchronizationService extends Service implements OnRemoteOperation 


        if (account == null) {

            Timber.d("No account available");

            syncManager.startListeningFiles(getApplication());

            stopSelf();

            return START_NOT_STICKY;

        }



        syncRequestQueue = new ConcurrentLinkedDeque<>();

        startedSync = new ConcurrentHashMap<>();

        threadPool = new Thread[workerAmount];



        ocClient = DavClientProvider.getInstance().getClientInstance(account, getApplicationContext());
@@ -101,6 +94,8 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
        handlerThread.start();

        handler = new Handler(handlerThread.getLooper());



        startSynchronization();



        return START_REDELIVER_INTENT;

    }
@@ -113,114 +108,6 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
        super.onDestroy();

    }



    @Nullable

    @Override

    public IBinder onBind(@Nullable Intent intent) {

        return binder;

    }



    /**

     * Try to pause synchronization.

     * Can only be paused if no sync is already running and no request queue is started

     * @return true if service successfully paused

     */

    public boolean pauseSync() {

        pauseStartTime = System.currentTimeMillis();



        final boolean isQueueEmpty = syncRequestQueue.isEmpty();

        final boolean isNoStartedSync = startedSync.values().stream().noneMatch(SyncWrapper::isRunning);



        Timber.v("is queue empty ? %s ; is no started sync ? %s", isQueueEmpty, isNoStartedSync);

        final boolean isPausable = isQueueEmpty && isNoStartedSync;

        if (!isPausable) pauseStartTime = 0L;

        return isPausable;

    }



    /**

     * unpause synchronization

     */

    public void unPauseSync() {

        pauseStartTime = 0L;

    }



    private boolean isPaused() {

        if (pauseStartTime == 0L) return false;

        return System.currentTimeMillis() - pauseStartTime < maxPauseTimeInMs;

    }



    /**

     * Add a SyncRequest into waiting queue if it matches some conditions:

     * - an equivalent sync Request (same file & same operation type) isn't already running

     * - failure limit isn't reach for this file

     *

     * It also remove already existing request for the same file from the waiting queue

     * @param request request to add to waiting queue

     */

    public void queueSyncRequest(@NonNull SyncRequest request) {

        for (SyncWrapper syncWrapper : startedSync.values()) {

            //noinspection EqualsBetweenInconvertibleTypes

            if (syncWrapper.isRunning() && syncWrapper.equals(request)) {

                return;

            }

        }

        if (skipBecauseOfPreviousFail(request)) return;



        syncRequestQueue.remove(request);

        syncRequestQueue.add(request);

    }



    /**

     * Add a collection of SyncRequest into waiting queue if they met some conditions:

     * - an equivalent sync Request (same file & same operation type) isn't already running

     * - failure limit isn't reach for this file

     *

     * It also remove already existing request for the same file from the waiting queue

     * @param requests collections of requests to add

     */

    public void queueSyncRequests(@NonNull Collection<SyncRequest> requests) {

        for (SyncWrapper syncWrapper : startedSync.values()) {

            if (syncWrapper.isRunning()) {

                //noinspection EqualsBetweenInconvertibleTypes

                requests.removeIf(syncWrapper::equals);

            }

        }

        requests.removeIf(this::skipBecauseOfPreviousFail);



        syncRequestQueue.removeAll(requests);

        syncRequestQueue.addAll(requests);

    }



    /**

     * Progressively delay synchronization of a file in case of failure

     * @param request SyncRequest for the given file

     * @return false if file can be sync or true if it must wait

     */

    private boolean skipBecauseOfPreviousFail(SyncRequest request) {

        final FailedSyncPrefsManager failedSyncPref = FailedSyncPrefsManager.getInstance(getApplicationContext());

        final int fileStateId = request.getSyncedFileState().getId();

        final int failureCounter = failedSyncPref.getFailureCounterForFile(fileStateId);



        long delay;

        switch (failureCounter) {

            case 0:

                return false;

            case 1:

                delay = 3600; //1h

                break;

            case 2:

                delay = 7200; //2h

                break;

            case 3:

                delay = 18000; // 5h

                break;

            default:

                return true;

        }



        final long timeStamp = System.currentTimeMillis() / 1000;

        return timeStamp <  failedSyncPref.getLastFailureTimeForFile(fileStateId) + delay;

    }



    public void startSynchronization(){

        Timber.d("startAllThreads");

        for(int i =-1; ++i < workerAmount;){
@@ -236,18 +123,22 @@ public class SynchronizationService extends Service implements OnRemoteOperation 


        if (!isNetworkAvailable()) {

            Timber.d("No network available: Clear syncRequestQueue");

            syncRequestQueue.clear();

            syncManager.clearRequestQueue();

            return;

        }



        if (!canStart(threadIndex) || isPaused()) {

            Timber.d("Can't start thread #%s, Sync is paused or thread is already running", threadIndex);

        if (!canStart(threadIndex)) {

            Timber.d("Can't start thread #%s, thread is already running", threadIndex);

            return;

        }



        final SyncRequest request = this.syncRequestQueue.poll(); //return null if empty

        final SyncRequest request = this.syncManager.pollSyncRequest(); //return null if empty

        if (request == null) {

            Timber.d("Thread #%s: No more sync request to start.", threadIndex);

            syncManager.removeStartedRequest(threadIndex);

            if (!syncManager.isAnySyncRequestRunning()) {

                syncManager.startListeningFiles(getApplication());

            }

            return;

        }
@@ -263,7 +154,7 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
            final FileSyncDisabler fileSyncDisabler = new FileSyncDisabler(request.getSyncedFileState());

            threadPool[threadIndex] = new Thread(fileSyncDisabler.getRunnable(handler, threadIndex, getApplicationContext(), this));

            threadPool[threadIndex].start();

            startedSync.put(threadIndex, syncWrapper);

            syncManager.addStartedRequest(threadIndex,syncWrapper);

            return;

        }
@@ -278,7 +169,7 @@ public class SynchronizationService extends Service implements OnRemoteOperation 


        //noinspection deprecation

        threadPool[threadIndex] = operation.execute(ocClient, this, handler);

        startedSync.put(threadIndex, syncWrapper);

        syncManager.addStartedRequest(threadIndex, syncWrapper);

    }



    /**
@@ -287,7 +178,7 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
     * @return false if nogo

     */

    private boolean canStart(int threadIndex) {

        final SyncWrapper syncWrapper = startedSync.get(threadIndex);

        final SyncWrapper syncWrapper = syncManager.getStartedRequestOnThread(threadIndex);

        return (syncWrapper == null || !syncWrapper.isRunning());

    }
@@ -318,7 +209,11 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
                break;

        }



        for (Map.Entry<Integer, SyncWrapper> keyValue : startedSync.entrySet()) {

        if (isNetworkDisconnected) {

            syncManager.clearRequestQueue();

        }



        for (Map.Entry<Integer, SyncWrapper> keyValue : syncManager.getStartedRequests().entrySet()) {

            final SyncWrapper wrapper = keyValue.getValue();

            final RemoteOperation wrapperOperation = wrapper.getRemoteOperation();

            if (wrapperOperation != null && wrapperOperation.equals(callerOperation)) {
@@ -328,10 +223,6 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
                break;

            }

        }



        if (isNetworkDisconnected) {

            syncRequestQueue.clear();

        }

    }



    private void logSyncResult(@NonNull RemoteOperationResult.ResultCode resultCode, @NonNull RemoteOperation callerOperation) {
@@ -371,7 +262,7 @@ public class SynchronizationService extends Service implements OnRemoteOperation 


    @Override

    public void onSyncDisabled(int threadId, boolean succeed) {

        final SyncWrapper wrapper = startedSync.get(threadId);

        final SyncWrapper wrapper = syncManager.getStartedRequestOnThread(threadId);

        if (wrapper != null) {

            final SyncRequest request = wrapper.getRequest();

            Timber.d("%s sync disabled ? %s", request.getSyncedFileState().getLocalPath(), succeed);
@@ -381,10 +272,9 @@ public class SynchronizationService extends Service implements OnRemoteOperation 
        startWorker(threadId);

    }



    public class SynchronizationBinder extends Binder {

        @NonNull

        public SynchronizationService getService(){

            return SynchronizationService.this;

        }

    @Nullable

    @Override

    public IBinder onBind(@Nullable Intent intent) {

        return null;

    }

}
 
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