| /* |
| * 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.airavata.mft.transport.ftp; |
| |
| import org.apache.airavata.mft.core.ConnectorContext; |
| import org.apache.airavata.mft.core.api.Connector; |
| import org.apache.airavata.mft.resource.client.ResourceServiceClient; |
| import org.apache.airavata.mft.resource.client.ResourceServiceClientBuilder; |
| import org.apache.airavata.mft.resource.stubs.ftp.resource.FTPResource; |
| import org.apache.airavata.mft.resource.stubs.ftp.resource.FTPResourceGetRequest; |
| import org.apache.airavata.mft.secret.client.SecretServiceClient; |
| import org.apache.airavata.mft.secret.service.FTPSecret; |
| import org.apache.airavata.mft.secret.service.FTPSecretGetRequest; |
| import org.apache.airavata.mft.secret.service.SecretServiceGrpc; |
| import org.apache.commons.net.ftp.FTPClient; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| public class FTPSender implements Connector { |
| |
| private static final Logger logger = LoggerFactory.getLogger(FTPReceiver.class); |
| |
| private FTPResource resource; |
| private boolean initialized; |
| private FTPClient ftpClient; |
| |
| @Override |
| public void init(String resourceId, String credentialToken, String resourceServiceHost, int resourceServicePort, String secretServiceHost, int secretServicePort) throws Exception { |
| this.initialized = true; |
| |
| ResourceServiceClient resourceClient = ResourceServiceClientBuilder.buildClient(resourceServiceHost, resourceServicePort); |
| this.resource = resourceClient.ftp().getFTPResource(FTPResourceGetRequest.newBuilder().setResourceId(resourceId).build()); |
| |
| SecretServiceGrpc.SecretServiceBlockingStub secretClient = SecretServiceClient.buildClient(secretServiceHost, secretServicePort); |
| FTPSecret ftpSecret = secretClient.getFTPSecret(FTPSecretGetRequest.newBuilder().setSecretId(credentialToken).build()); |
| |
| this.ftpClient = FTPTransportUtil.getFTPClient(this.resource, ftpSecret); |
| } |
| |
| @Override |
| public void destroy() { |
| FTPTransportUtil.disconnectFTP(ftpClient); |
| } |
| |
| @Override |
| public void startStream(ConnectorContext context) throws Exception { |
| |
| logger.info("Starting FTP sender stream for transfer {}", context.getTransferId()); |
| |
| checkInitialized(); |
| InputStream in = context.getStreamBuffer().getInputStream(); |
| long fileSize = context.getMetadata().getResourceSize(); |
| OutputStream outputStream = ftpClient.storeFileStream(resource.getResourcePath()); |
| |
| byte[] buf = new byte[1024]; |
| while (true) { |
| int bufSize; |
| |
| if (buf.length < fileSize) { |
| bufSize = buf.length; |
| } else { |
| bufSize = (int) fileSize; |
| } |
| bufSize = in.read(buf, 0, bufSize); |
| |
| if (bufSize < 0) { |
| break; |
| } |
| |
| outputStream.write(buf, 0, bufSize); |
| outputStream.flush(); |
| |
| fileSize -= bufSize; |
| if (fileSize == 0L) |
| break; |
| } |
| |
| in.close(); |
| outputStream.close(); |
| |
| logger.info("Completed FTP sender stream for transfer {}", context.getTransferId()); |
| |
| } |
| |
| private void checkInitialized() { |
| if (!initialized) { |
| throw new IllegalStateException("FTP Sender is not initialized"); |
| } |
| } |
| } |