| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.ignite.internal.processors.cache.persistence.file; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.nio.channels.FileChannel; |
| import java.nio.channels.SocketChannel; |
| import java.nio.file.Path; |
| import java.nio.file.StandardOpenOption; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.internal.util.future.GridFutureAdapter; |
| |
| /** |
| * Part of direct node to node file downloading |
| */ |
| public class FileUploader { |
| /** */ |
| private static final int CHUNK_SIZE = 1024 * 1024; |
| |
| /** */ |
| private final Path path; |
| |
| /** |
| * |
| */ |
| public FileUploader(Path path) { |
| this.path = path; |
| } |
| |
| /** |
| * |
| */ |
| public void upload(SocketChannel writeChannel, GridFutureAdapter<Long> finishFut) { |
| FileChannel readChannel = null; |
| |
| try { |
| File file = new File(path.toUri().getPath()); |
| |
| if (!file.exists()) { |
| finishFut.onDone( |
| new IgniteCheckedException( |
| new FileNotFoundException(file.getAbsolutePath()) |
| ) |
| ); |
| |
| return; |
| } |
| |
| readChannel = FileChannel.open(path, StandardOpenOption.READ); |
| |
| long written = 0; |
| |
| long size = readChannel.size(); |
| |
| while (written < size) |
| written += readChannel.transferTo(written, CHUNK_SIZE, writeChannel); |
| |
| finishFut.onDone(written); |
| } |
| catch (IOException ex) { |
| finishFut.onDone(ex); |
| } |
| finally { |
| //FIXME: when an error occurs on writeChannel.close() no attempt to close readChannel will happen. Need to be fixed. |
| try { |
| if (writeChannel != null) |
| writeChannel.close(); |
| } |
| catch (IOException ex) { |
| throw new IgniteException("Could not close socket."); |
| } |
| |
| try { |
| if (readChannel != null) |
| readChannel.close(); |
| } |
| catch (IOException ex) { |
| throw new IgniteException("Could not close file: " + path); |
| } |
| } |
| } |
| } |