org.dcm4che.tool.storescp.StoreSCP.java Source code

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

package org.dcm4che.tool.storescp;

import java.io.File;
import java.io.IOException;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.dcm4che.data.Attributes;
import org.dcm4che.data.Tag;
import org.dcm4che.data.VR;
import org.dcm4che.io.DicomInputStream;
import org.dcm4che.io.DicomInputStream.IncludeBulkData;
import org.dcm4che.io.DicomOutputStream;
import org.dcm4che.net.ApplicationEntity;
import org.dcm4che.net.Association;
import org.dcm4che.net.Connection;
import org.dcm4che.net.Device;
import org.dcm4che.net.PDVInputStream;
import org.dcm4che.net.Status;
import org.dcm4che.net.TransferCapability;
import org.dcm4che.net.pdu.PresentationContext;
import org.dcm4che.net.service.BasicCEchoSCP;
import org.dcm4che.net.service.BasicCStoreSCP;
import org.dcm4che.net.service.DicomServiceException;
import org.dcm4che.net.service.DicomServiceRegistry;
import org.dcm4che.tool.common.CLIUtils;
import org.dcm4che.util.AttributesFormat;
import org.dcm4che.util.SafeClose;
import org.dcm4che.util.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Gunter Zeilinger <gunterze@gmail.com>
 *
 */
public class StoreSCP {

    private static final Logger LOG = LoggerFactory.getLogger(StoreSCP.class);

    private static ResourceBundle rb = ResourceBundle.getBundle("org.dcm4che.tool.storescp.messages");
    private static final String PART_EXT = ".part";

    private final Device device = new Device("storescp");
    private final ApplicationEntity ae = new ApplicationEntity("*");
    private final Connection conn = new Connection();
    private File storageDir;
    private AttributesFormat filePathFormat;
    private int status;
    private final BasicCStoreSCP cstoreSCP = new BasicCStoreSCP("*") {

        @Override
        protected void store(Association as, PresentationContext pc, Attributes rq, PDVInputStream data,
                Attributes rsp) throws IOException {
            rsp.setInt(Tag.Status, VR.US, status);
            if (storageDir == null)
                return;

            String cuid = rq.getString(Tag.AffectedSOPClassUID);
            String iuid = rq.getString(Tag.AffectedSOPInstanceUID);
            String tsuid = pc.getTransferSyntax();
            File file = new File(storageDir, iuid + PART_EXT);
            try {
                storeTo(as, as.createFileMetaInformation(iuid, cuid, tsuid), data, file);
                renameTo(as, file,
                        new File(storageDir, filePathFormat == null ? iuid : filePathFormat.format(parse(file))));
            } catch (Exception e) {
                deleteFile(as, file);
                throw new DicomServiceException(Status.ProcessingFailure, e);
            }
        }

    };

    public StoreSCP() throws IOException {
        device.setDimseRQHandler(createServiceRegistry());
        device.addConnection(conn);
        device.addApplicationEntity(ae);
        ae.setAssociationAcceptor(true);
        ae.addConnection(conn);
    }

    private void storeTo(Association as, Attributes fmi, PDVInputStream data, File file) throws IOException {
        LOG.info("{}: M-WRITE {}", as, file);
        file.getParentFile().mkdirs();
        DicomOutputStream out = new DicomOutputStream(file);
        try {
            out.writeFileMetaInformation(fmi);
            data.copyTo(out);
        } finally {
            SafeClose.close(out);
        }
    }

    private static void renameTo(Association as, File from, File dest) throws IOException {
        LOG.info("{}: M-RENAME {}", new Object[] { as, from, dest });
        dest.getParentFile().mkdirs();
        if (!from.renameTo(dest))
            throw new IOException("Failed to rename " + from + " to " + dest);
    }

    private static Attributes parse(File file) throws IOException {
        DicomInputStream in = new DicomInputStream(file);
        try {
            in.setIncludeBulkData(IncludeBulkData.NO);
            return in.readDataset(-1, Tag.PixelData);
        } finally {
            SafeClose.close(in);
        }
    }

    private static void deleteFile(Association as, File file) {
        if (file.delete())
            LOG.info("{}: M-DELETE {}", as, file);
        else
            LOG.warn("{}: M-DELETE {} failed!", as, file);
    }

    private DicomServiceRegistry createServiceRegistry() {
        DicomServiceRegistry serviceRegistry = new DicomServiceRegistry();
        serviceRegistry.addDicomService(new BasicCEchoSCP());
        serviceRegistry.addDicomService(cstoreSCP);
        return serviceRegistry;
    }

    public void setStorageDirectory(File storageDir) {
        if (storageDir != null)
            storageDir.mkdirs();
        this.storageDir = storageDir;
    }

    public void setStorageFilePathFormat(String pattern) {
        this.filePathFormat = new AttributesFormat(pattern);
    }

    public void setStatus(int status) {
        this.status = status;
    }

    private static CommandLine parseComandLine(String[] args) throws ParseException {
        Options opts = new Options();
        CLIUtils.addBindServerOption(opts);
        CLIUtils.addAEOptions(opts);
        CLIUtils.addCommonOptions(opts);
        addStatusOption(opts);
        addStorageDirectoryOptions(opts);
        addTransferCapabilityOptions(opts);
        return CLIUtils.parseComandLine(args, opts, rb, StoreSCP.class);
    }

    @SuppressWarnings("static-access")
    private static void addStatusOption(Options opts) {
        opts.addOption(OptionBuilder.hasArg().withArgName("code").withDescription(rb.getString("status"))
                .withLongOpt("status").create(null));
    }

    @SuppressWarnings("static-access")
    private static void addStorageDirectoryOptions(Options opts) {
        opts.addOption(null, "ignore", false, rb.getString("ignore"));
        opts.addOption(OptionBuilder.hasArg().withArgName("path").withDescription(rb.getString("directory"))
                .withLongOpt("directory").create(null));
        opts.addOption(OptionBuilder.hasArg().withArgName("pattern").withDescription(rb.getString("filepath"))
                .withLongOpt("filepath").create(null));
    }

    @SuppressWarnings("static-access")
    private static void addTransferCapabilityOptions(Options opts) {
        opts.addOption(null, "accept-unknown", false, rb.getString("accept-unknown"));
        opts.addOption(OptionBuilder.hasArg().withArgName("file|url").withDescription(rb.getString("sop-classes"))
                .withLongOpt("sop-classes").create(null));
    }

    public static void main(String[] args) {
        try {
            CommandLine cl = parseComandLine(args);
            StoreSCP main = new StoreSCP();
            CLIUtils.configureBindServer(main.conn, main.ae, cl);
            CLIUtils.configure(main.conn, cl);
            main.setStatus(CLIUtils.getIntOption(cl, "status", 0));
            configureTransferCapability(main.ae, cl);
            configureStorageDirectory(main, cl);
            ExecutorService executorService = Executors.newCachedThreadPool();
            ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
            main.device.setScheduledExecutor(scheduledExecutorService);
            main.device.setExecutor(executorService);
            main.device.bindConnections();
        } catch (ParseException e) {
            System.err.println("storescp: " + e.getMessage());
            System.err.println(rb.getString("try"));
            System.exit(2);
        } catch (Exception e) {
            System.err.println("storescp: " + e.getMessage());
            e.printStackTrace();
            System.exit(2);
        }
    }

    private static void configureStorageDirectory(StoreSCP main, CommandLine cl) {
        if (!cl.hasOption("ignore")) {
            main.setStorageDirectory(new File(cl.getOptionValue("directory", ".")));
            if (cl.hasOption("filepath"))
                main.setStorageFilePathFormat(cl.getOptionValue("filepath"));
        }
    }

    private static void configureTransferCapability(ApplicationEntity ae, CommandLine cl) throws IOException {
        if (cl.hasOption("accept-unknown")) {
            ae.addTransferCapability(new TransferCapability(null, "*", TransferCapability.Role.SCP, "*"));
        } else {
            Properties p = CLIUtils
                    .loadProperties(cl.getOptionValue("sop-classes", "resource:sop-classes.properties"), null);
            for (String cuid : p.stringPropertyNames()) {
                String ts = p.getProperty(cuid);
                ae.addTransferCapability(
                        ts.equals("*") ? new TransferCapability(null, cuid, TransferCapability.Role.SCP, "*")
                                : new TransferCapability(null, cuid, TransferCapability.Role.SCP,
                                        StringUtils.split(ts, ',')));
            }
        }
    }

}