Examples with ConflictResolution com.ichi2.async.Connection.ConflictResolution used on opensource projects

Example 1 with ConflictResolution

use of com.ichi2.async.Connection.ConflictResolution in project Anki-Android by Ramblurr.

the class Connection method doInBackgroundSync.

private Payload doInBackgroundSync(Payload data) {
    // for for doInBackgroundLoadDeckCounts if any
    DeckTask.waitToFinish();
    String hkey = (String) data.data[0];
    boolean media = (Boolean) data.data[1];
    String conflictResolution = (String) data.data[2];
    int mediaUsn = (Integer) data.data[3];
    boolean colCorruptFullSync = false;
    Collection col = AnkiDroidApp.getCol();
    if (!AnkiDroidApp.colIsOpen()) {
        if (conflictResolution != null && conflictResolution.equals("download")) {
            colCorruptFullSync = true;
        } else {
            data.success = false;
            data.result = new Object[] { "genericError" };
            return data;
        }
    }
    String path = AnkiDroidApp.getCollectionPath();
    BasicHttpSyncer server = new RemoteServer(this, hkey);
    Syncer client = new Syncer(col, server);
    // run sync and check state
    boolean noChanges = false;
    if (conflictResolution == null) {
        // Log.i(AnkiDroidApp.TAG, "Sync - starting sync");
        publishProgress(R.string.sync_prepare_syncing);
        Object[] ret = client.sync(this);
        data.message = client.getSyncMsg();
        mediaUsn = client.getmMediaUsn();
        if (ret == null) {
            data.success = false;
            data.result = new Object[] { "genericError" };
            return data;
        }
        String retCode = (String) ret[0];
        if (!retCode.equals("noChanges") && !retCode.equals("success")) {
            data.success = false;
            data.result = ret;
            // note mediaUSN for later
            data.data = new Object[] { mediaUsn };
            return data;
        }
        // save and note success state
        if (retCode.equals("noChanges")) {
            // publishProgress(R.string.sync_no_changes_message);
            noChanges = true;
        } else {
        // publishProgress(R.string.sync_database_success);
        }
    } else {
        try {
            server = new FullSyncer(col, hkey, this);
            if (conflictResolution.equals("upload")) {
                // Log.i(AnkiDroidApp.TAG, "Sync - fullsync - upload collection");
                publishProgress(R.string.sync_preparing_full_sync_message);
                Object[] ret = server.upload();
                if (ret == null) {
                    data.success = false;
                    data.result = new Object[] { "genericError" };
                    AnkiDroidApp.openCollection(path);
                    return data;
                }
                if (!((String) ret[0]).equals(BasicHttpSyncer.ANKIWEB_STATUS_OK)) {
                    data.success = false;
                    data.result = ret;
                    AnkiDroidApp.openCollection(path);
                    return data;
                }
            } else if (conflictResolution.equals("download")) {
                // Log.i(AnkiDroidApp.TAG, "Sync - fullsync - download collection");
                publishProgress(R.string.sync_downloading_message);
                Object[] ret = server.download();
                if (ret == null) {
                    data.success = false;
                    data.result = new Object[] { "genericError" };
                    AnkiDroidApp.openCollection(path);
                    return data;
                }
                if (!((String) ret[0]).equals("success")) {
                    data.success = false;
                    data.result = ret;
                    if (!colCorruptFullSync) {
                        AnkiDroidApp.openCollection(path);
                    }
                    return data;
                }
            }
            col = AnkiDroidApp.openCollection(path);
        } catch (OutOfMemoryError e) {
            AnkiDroidApp.saveExceptionReportFile(e, "doInBackgroundSync-fullSync");
            data.success = false;
            data.result = new Object[] { "OutOfMemoryError" };
            data.data = new Object[] { mediaUsn };
            return data;
        } catch (RuntimeException e) {
            AnkiDroidApp.saveExceptionReportFile(e, "doInBackgroundSync-fullSync");
            data.success = false;
            data.result = new Object[] { "IOException" };
            data.data = new Object[] { mediaUsn };
            return data;
        }
    }
    // clear undo to avoid non syncing orphans (because undo resets usn too
    if (!noChanges) {
        col.clearUndo();
    }
    // then move on to media sync
    boolean noMediaChanges = false;
    String mediaError = null;
    if (media) {
        server = new RemoteMediaServer(hkey, this);
        MediaSyncer mediaClient = new MediaSyncer(col, (RemoteMediaServer) server);
        String ret;
        try {
            ret = mediaClient.sync(mediaUsn, this);
            if (ret == null) {
                mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_error);
            } else {
                if (ret.equals("noChanges")) {
                    publishProgress(R.string.sync_media_no_changes);
                    noMediaChanges = true;
                }
                if (ret.equals("sanityFailed")) {
                    mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_sanity_failed);
                } else {
                    publishProgress(R.string.sync_media_success);
                }
            }
        } catch (RuntimeException e) {
            AnkiDroidApp.saveExceptionReportFile(e, "doInBackgroundSync-mediaSync");
            mediaError = e.getLocalizedMessage();
        }
    }
    if (noChanges && noMediaChanges) {
        data.success = false;
        data.result = new Object[] { "noChanges" };
        return data;
    } else {
        data.success = true;
        TreeSet<Object[]> decks = col.getSched().deckDueTree();
        int[] counts = new int[] { 0, 0, 0 };
        for (Object[] deck : decks) {
            if (((String[]) deck[0]).length == 1) {
                counts[0] += (Integer) deck[2];
                counts[1] += (Integer) deck[3];
                counts[2] += (Integer) deck[4];
            }
        }
        Object[] dc = col.getSched().deckCounts();
        data.result = dc[0];
        data.data = new Object[] { conflictResolution, col, dc[1], dc[2], mediaError };
        return data;
    }
}

Example 2 with ConflictResolution

use of com.ichi2.async.Connection.ConflictResolution in project AnkiChinaAndroid by ankichinateam.

the class Connection method doInBackgroundSync.

private Payload doInBackgroundSync(Payload data) {
    sIsCancellable = true;
    Timber.d("doInBackgroundSync()");
    // Block execution until any previous background task finishes, or timeout after 5s
    boolean ok = CollectionTask.waitToFinish(5);
    String hkey = (String) data.data[0];
    boolean media = (Boolean) data.data[1];
    String conflictResolution = (String) data.data[2];
    HostNum hostNum = (HostNum) data.data[3];
    long restServerSpace = (long) data.data[4];
    // Use safe version that catches exceptions so that full sync is still possible
    Collection col = CollectionHelper.getInstance().getColSafe(AnkiDroidApp.getInstance());
    boolean colCorruptFullSync = false;
    if (!CollectionHelper.getInstance().colIsOpen() || !ok) {
        if (conflictResolution != null && "download".equals(conflictResolution)) {
            colCorruptFullSync = true;
        } else {
            data.success = false;
            data.result = new Object[] { "genericError" };
            return data;
        }
    }
    try {
        CollectionHelper.getInstance().lockCollection();
        HttpSyncer server = new RemoteServer(this, hkey, hostNum);
        Syncer client = new Syncer(col, server, hostNum);
        // run sync and check state
        boolean noChanges = false;
        if (conflictResolution == null) {
            Timber.i("Sync - starting sync");
            publishProgress(R.string.sync_prepare_syncing);
            Object[] ret = client.sync(this, restServerSpace);
            data.message = client.getSyncMsg();
            if (ret == null) {
                data.success = false;
                data.result = new Object[] { "genericError" };
                return data;
            }
            String retCode = (String) ret[0];
            if (!"noChanges".equals(retCode) && !"success".equals(retCode)) {
                data.success = false;
                data.result = ret;
                // Check if there was a sanity check error
                if ("sanityCheckError".equals(retCode)) {
                    // Force full sync next time
                    col.modSchemaNoCheck();
                    col.save();
                }
                return data;
            }
            // save and note success state
            if ("noChanges".equals(retCode)) {
                // publishProgress(R.string.sync_no_changes_message);
                noChanges = true;
            }
            restServerSpace = client.getRestSpace();
        } else {
            try {
                // Disable sync cancellation for full-sync
                sIsCancellable = false;
                server = new FullSyncer(col, hkey, this, hostNum);
                if ("upload".equals(conflictResolution)) {
                    Timber.i("Sync - fullsync - upload collection");
                    publishProgress(R.string.sync_preparing_full_sync_message);
                    Object[] ret = server.upload(restServerSpace);
                    col.reopen();
                    if (ret == null) {
                        data.success = false;
                        data.result = new Object[] { "genericError" };
                        return data;
                    }
                    if (!ret[0].equals(HttpSyncer.ANKIWEB_STATUS_OK)) {
                        data.success = false;
                        data.result = ret;
                        return data;
                    }
                } else if ("download".equals(conflictResolution)) {
                    Timber.i("Sync - fullsync - download collection");
                    publishProgress(R.string.sync_downloading_message);
                    Object[] ret = server.download();
                    if (ret == null) {
                        Timber.w("Sync - fullsync - unknown error");
                        data.success = false;
                        data.result = new Object[] { "genericError" };
                        return data;
                    }
                    if ("success".equals(ret[0])) {
                        data.success = true;
                        col.reopen();
                    }
                    if (!"success".equals(ret[0])) {
                        Timber.w("Sync - fullsync - download failed");
                        data.success = false;
                        data.result = ret;
                        if (!colCorruptFullSync) {
                            col.reopen();
                        }
                        return data;
                    }
                }
            } catch (OutOfMemoryError e) {
                AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync-fullSync");
                data.success = false;
                data.result = new Object[] { "OutOfMemoryError" };
                return data;
            } catch (RuntimeException e) {
                if (timeoutOccurred(e)) {
                    data.result = new Object[] { "connectionError", e };
                } else if ("UserAbortedSync".equals(e.getMessage())) {
                    data.result = new Object[] { "UserAbortedSync", e };
                } else {
                    AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync-fullSync");
                    data.result = new Object[] { "IOException", e };
                }
                data.success = false;
                return data;
            }
        }
        // clear undo to avoid non syncing orphans (because undo resets usn too
        if (!noChanges) {
            col.clearUndo();
        }
        // then move on to media sync
        sIsCancellable = true;
        boolean noMediaChanges = false;
        boolean enoughServerSpace = true;
        String mediaError = null;
        if (media) {
            server = new RemoteMediaServer(col, hkey, this, hostNum);
            MediaSyncer mediaClient = new MediaSyncer(col, (RemoteMediaServer) server, this);
            String ret;
            try {
                // ������ܻ���Ϊ�ϴ��ļ������ռ��С���׳��쳣���ڴ�֮ǰ��Ҫ����ʣ��ռ��С
                ret = mediaClient.sync(restServerSpace);
                Timber.e("sync media ret is null");
                if (ret == null) {
                    mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_error);
                } else {
                    if ("corruptMediaDB".equals(ret)) {
                        mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_db_error);
                        noMediaChanges = true;
                    }
                    if ("noChanges".equals(ret)) {
                        publishProgress(R.string.sync_media_no_changes);
                        noMediaChanges = true;
                    }
                    if ("sanityFailed".equals(ret)) {
                        mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_sanity_failed);
                    } else {
                        publishProgress(R.string.sync_media_success);
                    }
                }
            } catch (RuntimeException e) {
                if (timeoutOccurred(e)) {
                    data.result = new Object[] { "connectionError", e };
                } else if ("UserAbortedSync".equals(e.getMessage())) {
                    data.result = new Object[] { "UserAbortedSync", e };
                }
                mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_error) + "\n\n" + e.getLocalizedMessage();
            }
        }
        if (noChanges && (!media || noMediaChanges)) {
            data.success = false;
            data.result = new Object[] { "noChanges" };
            return data;
        } else {
            data.success = true;
            data.data = new Object[] { conflictResolution, col, mediaError };
            return data;
        }
    } catch (MediaSyncException e) {
        Timber.e("Media sync rejected by server");
        data.success = false;
        data.result = new Object[] { "mediaSyncServerError", e };
        AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync");
        return data;
    } catch (UnknownHttpResponseException e) {
        Timber.e(e, "doInBackgroundSync -- unknown response code error");
        data.success = false;
        int code = e.getResponseCode();
        String msg = e.getLocalizedMessage();
        data.result = new Object[] { "error", code, msg };
        return data;
    } catch (NoEnoughServerSpaceException e) {
        Timber.e("NoEnoughServerSpaceException ");
        e.printStackTrace();
        data.success = false;
        data.result = new Object[] { "noServerSpace", e.rest, e.need };
        return data;
    } catch (Exception e) {
        // Global error catcher.
        // Try to give a human readable error, otherwise print the raw error message
        Timber.e(e, "doInBackgroundSync error");
        data.success = false;
        if (timeoutOccurred(e)) {
            data.result = new Object[] { "connectionError", e };
        } else if ("UserAbortedSync".equals(e.getMessage())) {
            data.result = new Object[] { "UserAbortedSync", e };
        } else {
            AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync");
            data.result = new Object[] { e.getLocalizedMessage(), e };
        }
        return data;
    } finally {
        Timber.i("Sync Finished - Closing Collection");
        // don't bump mod time unless we explicitly save
        if (col != null) {
            col.close(false);
        }
        CollectionHelper.getInstance().unlockCollection();
    }
}

Example 3 with ConflictResolution

use of com.ichi2.async.Connection.ConflictResolution in project Anki-Android by ankidroid.

the class Connection method doInBackgroundSync.

/**
 * In the payload, success means that the sync did occur correctly and that a change did occur.
 * So success can be false without error, if no change occurred at all.
 */
private Payload doInBackgroundSync(Payload data) {
    sIsCancellable = true;
    Timber.d("doInBackgroundSync()");
    // Block execution until any previous background task finishes, or timeout after 5s
    boolean ok = TaskManager.waitToFinish(5);
    // Unique key allowing to identify the user to AnkiWeb without password
    String hkey = (String) data.data[0];
    // Whether media should be synced too
    boolean media = (Boolean) data.data[1];
    // If normal sync can't occur, what to do
    ConflictResolution conflictResolution = (ConflictResolution) data.data[2];
    // A number AnkiWeb told us to send back. Probably to choose the best server for the user
    HostNum hostNum = (HostNum) data.data[3];
    // Use safe version that catches exceptions so that full sync is still possible
    Collection col = CollectionHelper.getInstance().getColSafe(AnkiDroidApp.getInstance());
    boolean colCorruptFullSync = false;
    if (!CollectionHelper.getInstance().colIsOpen() || !ok) {
        if (FULL_DOWNLOAD == conflictResolution) {
            colCorruptFullSync = true;
        } else {
            return returnGenericError(data);
        }
    }
    try {
        CollectionHelper.getInstance().lockCollection();
        RemoteServer remoteServer = new RemoteServer(this, hkey, hostNum);
        Syncer client = new Syncer(col, remoteServer, hostNum);
        // run sync and check state
        boolean noChanges = false;
        if (conflictResolution == null) {
            Timber.i("Sync - starting sync");
            publishProgress(R.string.sync_prepare_syncing);
            Pair<ConnectionResultType, Object> ret = client.sync(this);
            data.message = client.getSyncMsg();
            if (ret == null) {
                return returnGenericError(data);
            }
            if (NO_CHANGES != ret.first && SUCCESS != ret.first) {
                data.success = false;
                data.resultType = ret.first;
                data.result = new Object[] { ret.second };
                // Check if there was a sanity check error
                if (SANITY_CHECK_ERROR == ret.first) {
                    // Force full sync next time
                    col.modSchemaNoCheck();
                    col.save();
                }
                return data;
            }
            // save and note success state
            if (NO_CHANGES == ret.first) {
                // publishProgress(R.string.sync_no_changes_message);
                noChanges = true;
            }
        } else {
            try {
                // Disable sync cancellation for full-sync
                sIsCancellable = false;
                FullSyncer fullSyncServer = new FullSyncer(col, hkey, this, hostNum);
                switch(conflictResolution) {
                    case FULL_UPLOAD:
                        {
                            Timber.i("Sync - fullsync - upload collection");
                            publishProgress(R.string.sync_preparing_full_sync_message);
                            Pair<ConnectionResultType, Object[]> ret = fullSyncServer.upload();
                            col.reopen();
                            if (ret == null) {
                                return returnGenericError(data);
                            }
                            if (ret.first == ARBITRARY_STRING && !ret.second[0].equals(HttpSyncer.ANKIWEB_STATUS_OK)) {
                                data.success = false;
                                data.resultType = ret.first;
                                data.result = ret.second;
                                return data;
                            }
                            break;
                        }
                    case FULL_DOWNLOAD:
                        {
                            Timber.i("Sync - fullsync - download collection");
                            publishProgress(R.string.sync_downloading_message);
                            ConnectionResultType ret = fullSyncServer.download();
                            if (ret == null) {
                                Timber.w("Sync - fullsync - unknown error");
                                return returnGenericError(data);
                            }
                            if (SUCCESS == ret) {
                                data.success = true;
                                col.reopen();
                            }
                            if (SUCCESS != ret) {
                                Timber.w("Sync - fullsync - download failed");
                                data.success = false;
                                data.resultType = ret;
                                if (!colCorruptFullSync) {
                                    col.reopen();
                                }
                                return data;
                            }
                            break;
                        }
                    default:
                }
            } catch (OutOfMemoryError e) {
                Timber.w(e);
                AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync-fullSync");
                data.success = false;
                data.resultType = OUT_OF_MEMORY_ERROR;
                data.result = new Object[0];
                return data;
            } catch (RuntimeException e) {
                Timber.w(e);
                if (timeoutOccurred(e)) {
                    data.resultType = CONNECTION_ERROR;
                } else if (USER_ABORTED_SYNC.toString().equals(e.getMessage())) {
                    data.resultType = USER_ABORTED_SYNC;
                } else {
                    AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync-fullSync");
                    data.resultType = IO_EXCEPTION;
                }
                data.result = new Object[] { e };
                data.success = false;
                return data;
            }
        }
        // clear undo to avoid non syncing orphans (because undo resets usn too
        if (!noChanges) {
            col.clearUndo();
        }
        // then move on to media sync
        sIsCancellable = true;
        boolean noMediaChanges = false;
        String mediaError = null;
        if (media) {
            RemoteMediaServer mediaServer = new RemoteMediaServer(col, hkey, this, hostNum);
            MediaSyncer mediaClient = new MediaSyncer(col, mediaServer, this);
            Pair<ConnectionResultType, String> ret;
            try {
                Timber.i("Sync - Performing media sync");
                ret = mediaClient.sync();
                if (ret == null || ret.first == null) {
                    mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_error);
                } else {
                    if (CORRUPT == ret.first) {
                        mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_db_error);
                        noMediaChanges = true;
                    }
                    if (NO_CHANGES == ret.first) {
                        publishProgress(R.string.sync_media_no_changes);
                        noMediaChanges = true;
                    }
                    if (MEDIA_SANITY_FAILED == ret.first) {
                        mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_sanity_failed);
                    } else {
                        publishProgress(R.string.sync_media_success);
                    }
                }
            } catch (RuntimeException e) {
                Timber.w(e);
                if (timeoutOccurred(e)) {
                    data.resultType = CONNECTION_ERROR;
                    data.result = new Object[] { e };
                } else if (USER_ABORTED_SYNC.toString().equals(e.getMessage())) {
                    data.resultType = USER_ABORTED_SYNC;
                    data.result = new Object[] { e };
                }
                int downloadedCount = mediaClient.getDownloadCount();
                int uploadedCount = mediaClient.getUploadCount();
                if (downloadedCount == 0 && uploadedCount == 0) {
                    mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_error) + "\n\n" + e.getLocalizedMessage();
                } else {
                    mediaError = AnkiDroidApp.getAppResources().getString(R.string.sync_media_partial_updated, downloadedCount, uploadedCount) + "\n\n" + e.getLocalizedMessage();
                }
            }
        }
        if (noChanges && (!media || noMediaChanges)) {
            // This means that there is no change at all, neither media nor collection. Not that there was an error.
            data.success = false;
            data.resultType = NO_CHANGES;
            data.result = new Object[0];
        } else {
            data.success = true;
            data.data = new Object[] { conflictResolution, col, mediaError };
        }
        return data;
    } catch (MediaSyncException e) {
        Timber.e("Media sync rejected by server");
        data.success = false;
        data.resultType = MEDIA_SYNC_SERVER_ERROR;
        data.result = new Object[] { e };
        AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync");
        return data;
    } catch (UnknownHttpResponseException e) {
        Timber.e(e, "doInBackgroundSync -- unknown response code error");
        data.success = false;
        int code = e.getResponseCode();
        String msg = e.getLocalizedMessage();
        data.resultType = ERROR;
        data.result = new Object[] { code, msg };
        return data;
    } catch (Exception e) {
        // Global error catcher.
        // Try to give a human readable error, otherwise print the raw error message
        Timber.e(e, "doInBackgroundSync error");
        data.success = false;
        if (timeoutOccurred(e)) {
            data.resultType = CONNECTION_ERROR;
            data.result = new Object[] { e };
        } else if (USER_ABORTED_SYNC.toString().equals(e.getMessage())) {
            data.resultType = USER_ABORTED_SYNC;
            data.result = new Object[] { e };
        } else {
            AnkiDroidApp.sendExceptionReport(e, "doInBackgroundSync");
            data.resultType = ARBITRARY_STRING;
            data.result = new Object[] { e.getLocalizedMessage(), e };
        }
        return data;
    } finally {
        Timber.i("Sync Finished - Closing Collection");
        // don't bump mod time unless we explicitly save
        if (col != null) {
            col.close(false);
        }
        CollectionHelper.getInstance().unlockCollection();
    }
}