/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2015 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.plugins.unreliable_local;
import java.io.File;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.syncany.config.Config;
import org.syncany.plugins.local.LocalTransferManager;
import org.syncany.plugins.transfer.StorageException;
import org.syncany.plugins.transfer.files.RemoteFile;
public class UnreliableLocalTransferManager extends LocalTransferManager {
private static final Logger logger = Logger.getLogger(UnreliableLocalTransferManager.class.getSimpleName());
private UnreliableLocalTransferSettings connection;
public UnreliableLocalTransferManager(UnreliableLocalTransferSettings connection, Config config) {
super(connection, config);
this.connection = connection;
}
private boolean isNextOperationSuccessful(String operationType, String operationDescription) {
// Increase absolute/overall operation counter
connection.increaseTotalOperationCounter();
// Increase type-relative operation counter
Integer typeOperationCounter = connection.getTypeOperationCounters().get(operationType);
typeOperationCounter = (typeOperationCounter != null) ? typeOperationCounter + 1 : 1;
connection.getTypeOperationCounters().put(operationType, typeOperationCounter);
// Construct operation line
String operationLine = String.format("abs=%d rel=%d op=%s %s", connection.getTotalOperationCounter(), typeOperationCounter, operationType,
operationDescription);
// Check if it fails
for (String failingOperationPattern : connection.getFailingOperationPatterns()) {
if (operationLine.matches(".*" + failingOperationPattern + ".*")) {
logger.log(Level.INFO, "Operation NOT successful: " + operationLine);
return false;
}
}
logger.log(Level.INFO, "Operation successful: " + operationLine);
return true;
}
@Override
public void connect() throws StorageException {
String operationType = "connect";
String operationDescription = "connect";
if (isNextOperationSuccessful(operationType, operationDescription)) {
super.connect();
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
@Override
public void disconnect() throws StorageException {
String operationType = "disconnect";
String operationDescription = "disconnect";
if (isNextOperationSuccessful(operationType, operationDescription)) {
super.disconnect();
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
@Override
public void init(boolean createIfRequired) throws StorageException {
String operationType = "init";
String operationDescription = "init";
if (isNextOperationSuccessful(operationType, operationDescription)) {
super.init(createIfRequired);
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
@Override
public void download(RemoteFile remoteFile, File localFile) throws StorageException {
String operationType = "download";
String operationDescription = "download(" + remoteFile.getName() + ", " + localFile.getAbsolutePath() + ")";
if (isNextOperationSuccessful(operationType, operationDescription)) {
super.download(remoteFile, localFile);
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
@Override
public void upload(File localFile, RemoteFile remoteFile) throws StorageException {
String operationType = "upload";
String operationDescription = "upload(" + localFile.getAbsolutePath() + ", " + remoteFile.getName() + ")";
if (isNextOperationSuccessful(operationType, operationDescription)) {
super.upload(localFile, remoteFile);
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
@Override
public void move(RemoteFile sourceFile, RemoteFile targetFile) throws StorageException {
String operationType = "move";
String operationDescription = "move(" + sourceFile.getName() + "," + targetFile.getName() + ")";
if (isNextOperationSuccessful(operationType, operationDescription)) {
super.move(sourceFile, targetFile);
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
@Override
public boolean delete(RemoteFile remoteFile) throws StorageException {
String operationType = "delete";
String operationDescription = "delete(" + remoteFile.getName() + ")";
if (isNextOperationSuccessful(operationType, operationDescription)) {
return super.delete(remoteFile);
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
@Override
public <T extends RemoteFile> Map<String, T> list(Class<T> remoteFileClass) throws StorageException {
String operationType = "list";
String operationDescription = "list(" + remoteFileClass.getSimpleName() + ")";
if (isNextOperationSuccessful(operationType, operationDescription)) {
return super.list(remoteFileClass);
}
else {
throw new StorageException("Operation failed: " + operationDescription);
}
}
}