src/eu/alefzero/owncloud/syncadapter/FileSyncAdapter.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package eu.alefzero.owncloud.syncadapter;
  20
  21 import java.io.IOException;
  22 import java.io.ObjectInputStream.GetField;
  23 import java.util.List;
  24 import java.util.Vector;
  25
  26 import org.apache.jackrabbit.webdav.DavException;
  27 import org.apache.jackrabbit.webdav.MultiStatus;
  28 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  29
  30 import android.accounts.Account;
  31 import android.accounts.AuthenticatorException;
  32 import android.accounts.OperationCanceledException;
  33 import android.content.ContentProviderClient;
  34 import android.content.Context;
  35 import android.content.Intent;
  36 import android.content.SyncResult;
  37 import android.os.Bundle;
  38 import android.util.Log;
  39 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  40 import eu.alefzero.owncloud.datamodel.OCFile;
  41 import eu.alefzero.owncloud.files.services.FileDownloader;
  42 import eu.alefzero.webdav.WebdavEntry;
  43
  44 /**
  45  * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
  46  * platform ContactOperations provider.
  47  *
  48  * @author Bartek Przybylski
  49  */
  50 public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
  51
  52     private final static String TAG = "FileSyncAdapter";
  53
  54     /*  Commented code for ugly performance tests
  55     private final static int MAX_DELAYS = 100;
  56     private static long[] mResponseDelays = new long[MAX_DELAYS];
  57     private static long[] mSaveDelays = new long[MAX_DELAYS];
  58     private int mDelaysIndex = 0;
  59     private int mDelaysCount = 0;
  60     */
  61
  62     private long mCurrentSyncTime;
  63
  64     public FileSyncAdapter(Context context, boolean autoInitialize) {
  65         super(context, autoInitialize);
  66     }
  67
  68     @Override
  69     public synchronized void onPerformSync(Account account, Bundle extras,
  70             String authority, ContentProviderClient provider,
  71             SyncResult syncResult) {
  72
  73         this.setAccount(account);
  74         this.setContentProvider(provider);
  75         this.setStorageManager(new FileDataStorageManager(account,
  76                 getContentProvider()));
  77
  78         /*  Commented code for ugly performance tests
  79         mDelaysIndex = 0;
  80         mDelaysCount = 0;
  81         */
  82
  83
  84         Log.d(TAG, "syncing owncloud account " + account.name);
  85
  86         sendStickyBroadcast(true, null);  // message to signal the start to the UI
  87
  88         PropFindMethod query;
  89         try {
  90             mCurrentSyncTime = System.currentTimeMillis();
  91             query = new PropFindMethod(getUri().toString() + "/");
  92             getClient().executeMethod(query);
  93             MultiStatus resp = null;
  94             resp = query.getResponseBodyAsMultiStatus();
  95
  96             if (resp.getResponses().length > 0) {
  97                 WebdavEntry we = new WebdavEntry(resp.getResponses()[0], getUri().getPath());
  98                 OCFile file = fillOCFile(we);
  99                 file.setParentId(0);
 100                 getStorageManager().saveFile(file);
 101                 fetchData(getUri().toString(), syncResult, file.getFileId(), account);
 102             }
 103         } catch (OperationCanceledException e) {
 104             e.printStackTrace();
 105         } catch (AuthenticatorException e) {
 106             syncResult.stats.numAuthExceptions++;
 107             e.printStackTrace();
 108         } catch (IOException e) {
 109             syncResult.stats.numIoExceptions++;
 110             e.printStackTrace();
 111         } catch (DavException e) {
 112             syncResult.stats.numIoExceptions++;
 113             e.printStackTrace();
 114         } catch (Throwable t) {
 115             // TODO update syncResult
 116             Log.e(TAG, "problem while synchronizing owncloud account " + account.name, t);
 117             t.printStackTrace();
 118         }
 119
 120         /*  Commented code for ugly performance tests
 121         long sum = 0, mean = 0, max = 0, min = Long.MAX_VALUE;
 122         for (int i=0; i<MAX_DELAYS && i<mDelaysCount; i++) {
 123             sum += mResponseDelays[i];
 124             max = Math.max(max, mResponseDelays[i]);
 125             min = Math.min(min, mResponseDelays[i]);
 126         }
 127         mean = sum / mDelaysCount;
 128         Log.e(TAG, "SYNC STATS - response: mean time = " + mean + " ; max time = " + max + " ; min time = " + min);
 129
 130         sum = 0; max = 0; min = Long.MAX_VALUE;
 131         for (int i=0; i<MAX_DELAYS && i<mDelaysCount; i++) {
 132             sum += mSaveDelays[i];
 133             max = Math.max(max, mSaveDelays[i]);
 134             min = Math.min(min, mSaveDelays[i]);
 135         }
 136         mean = sum / mDelaysCount;
 137         Log.e(TAG, "SYNC STATS - save:     mean time = " + mean + " ; max time = " + max + " ; min time = " + min);
 138         Log.e(TAG, "SYNC STATS - folders measured: " + mDelaysCount);
 139         */
 140
 141         sendStickyBroadcast(false, null);
 142     }
 143
 144     private void fetchData(String uri, SyncResult syncResult, long parentId, Account account) {
 145         try {
 146             //Log.v(TAG, "syncing: fetching " + uri);
 147
 148             // remote request
 149             PropFindMethod query = new PropFindMethod(uri);
 150             /*  Commented code for ugly performance tests
 151             long responseDelay = System.currentTimeMillis();
 152             */
 153             getClient().executeMethod(query);
 154             /*  Commented code for ugly performance tests
 155             responseDelay = System.currentTimeMillis() - responseDelay;
 156             Log.e(TAG, "syncing: RESPONSE TIME for " + uri + " contents, " + responseDelay + "ms");
 157             */
 158             MultiStatus resp = null;
 159             resp = query.getResponseBodyAsMultiStatus();
 160
 161             // insertion or update of files
 162             List<OCFile> updatedFiles = new Vector<OCFile>(resp.getResponses().length - 1);
 163             for (int i = 1; i < resp.getResponses().length; ++i) {
 164                 WebdavEntry we = new WebdavEntry(resp.getResponses()[i], getUri().getPath());
 165                 OCFile file = fillOCFile(we);
 166                 file.setParentId(parentId);
 167                 if (getStorageManager().getFileByPath(file.getRemotePath()) != null &&
 168                     getStorageManager().getFileByPath(file.getRemotePath()).keepInSync() &&
 169                     file.getModificationTimestamp() > getStorageManager().getFileByPath(file.getRemotePath())
 170                                                                          .getModificationTimestamp()) {
 171                     Intent intent = new Intent(this.getContext(), FileDownloader.class);
 172                     intent.putExtra(FileDownloader.EXTRA_ACCOUNT, getAccount());
 173                     intent.putExtra(FileDownloader.EXTRA_FILE_PATH, file.getURLDecodedRemotePath());
 174                     intent.putExtra(FileDownloader.EXTRA_REMOTE_PATH, file.getRemotePath());
 175                     intent.putExtra(FileDownloader.EXTRA_FILE_SIZE, file.getFileLength());
 176                     file.setKeepInSync(true);
 177                     getContext().startService(intent);
 178                 }
 179                 if (getStorageManager().getFileByPath(file.getRemotePath()) != null)
 180                     file.setKeepInSync(getStorageManager().getFileByPath(file.getRemotePath()).keepInSync());
 181                 //getStorageManager().saveFile(file);
 182                 updatedFiles.add(file);
 183                 if (parentId == 0)
 184                     parentId = file.getFileId();
 185             }
 186             /*  Commented code for ugly performance tests
 187             long saveDelay = System.currentTimeMillis();
 188             */
 189             getStorageManager().saveFiles(updatedFiles);    // all "at once" ; trying to get a best performance in database update
 190             /*  Commented code for ugly performance tests
 191             saveDelay = System.currentTimeMillis() - saveDelay;
 192             Log.e(TAG, "syncing: SAVE TIME for " + uri + " contents, " + mSaveDelays[mDelaysIndex] + "ms");
 193             */
 194
 195             // removal of obsolete files
 196             Vector<OCFile> files = getStorageManager().getDirectoryContent(
 197                     getStorageManager().getFileById(parentId));
 198             OCFile file;
 199             for (int i=0; i < files.size(); ) {
 200                 file = files.get(i);
 201                 if (file.getLastSyncDate() != mCurrentSyncTime && file.getLastSyncDate() != 0) {
 202                     getStorageManager().removeFile(file);
 203                     files.remove(i);
 204                 } else {
 205                     i++;
 206                 }
 207             }
 208
 209             // synchronized folder -> notice to UI
 210             sendStickyBroadcast(true, getStorageManager().getFileById(parentId).getRemotePath());
 211
 212             // recursive fetch
 213             for (OCFile newFile : files) {
 214                 if (newFile.getMimetype().equals("DIR")) {
 215                     fetchData(getUri().toString() + newFile.getRemotePath(), syncResult, newFile.getFileId(), account);
 216                 }
 217             }
 218
 219             /*  Commented code for ugly performance tests
 220             mResponseDelays[mDelaysIndex] = responseDelay;
 221             mSaveDelays[mDelaysIndex] = saveDelay;
 222             mDelaysCount++;
 223             mDelaysIndex++;
 224             if (mDelaysIndex >= MAX_DELAYS)
 225                 mDelaysIndex = 0;
 226              */
 227
 228
 229
 230         } catch (OperationCanceledException e) {
 231             e.printStackTrace();
 232         } catch (AuthenticatorException e) {
 233             syncResult.stats.numAuthExceptions++;
 234             e.printStackTrace();
 235         } catch (IOException e) {
 236             syncResult.stats.numIoExceptions++;
 237             e.printStackTrace();
 238         } catch (DavException e) {
 239             syncResult.stats.numIoExceptions++;
 240             e.printStackTrace();
 241         } catch (Throwable t) {
 242             // TODO update syncResult
 243             Log.e(TAG, "problem while synchronizing owncloud account " + account.name, t);
 244             t.printStackTrace();
 245         }
 246     }
 247
 248     private OCFile fillOCFile(WebdavEntry we) {
 249         OCFile file = new OCFile(we.path());
 250         file.setCreationTimestamp(we.createTimestamp());
 251         file.setFileLength(we.contentLength());
 252         file.setMimetype(we.contentType());
 253         file.setModificationTimestamp(we.modifiedTimesamp());
 254         file.setLastSyncDate(mCurrentSyncTime);
 255         return file;
 256     }
 257
 258
 259     private void sendStickyBroadcast(boolean inProgress, String dirRemotePath) {
 260         Intent i = new Intent(FileSyncService.SYNC_MESSAGE);
 261         i.putExtra(FileSyncService.IN_PROGRESS, inProgress);
 262         i.putExtra(FileSyncService.ACCOUNT_NAME, getAccount().name);
 263         if (dirRemotePath != null) {
 264             i.putExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH, dirRemotePath);
 265         }
 266         getContext().sendStickyBroadcast(i);
 267     }
 268
 269     @Override
 270     public void onSyncCanceled() {
 271         Log.d(TAG, "sync is being cancelled !! ************************************************");
 272         super.onSyncCanceled();
 273     }
 274
 275 }