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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+package complex.memCheck;
+
+import com.sun.star.beans.PropertyValue;
+import com.sun.star.frame.XStorable;
+import com.sun.star.lang.XComponent;
+import com.sun.star.lang.XMultiServiceFactory;
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.util.XCloseable;
+import complexlib.ComplexTestCase;
+import helper.ProcessHandler;
+import java.io.File;
+import java.io.FilePermission;
+import java.io.FileWriter;
+import java.io.FilenameFilter;
+import java.io.PrintWriter;
+import java.util.Enumeration;
+import java.util.StringTokenizer;
+import java.util.Vector;
+import util.DesktopTools;
+import util.WriterTools;
+import util.utils;
+
+/**
+ * Documents are opened and exported with StarOffice. The memory usage of
+ * StarOffice is monitored and if the usage exceeds the allowed kilobytes,
+ * the test is failed. Used for monitoring the StarOffice process is the
+ * command line tool 'pmap', available on Solaris or Linux. This test will not
+ * run on Windows.<br>Test procedure: every given document type is searched in
+ * the source directory
+ * Needed paramters:
+ * <ul>
+ *   <li>"TestDocumentPath" - the path where test documents are located.</li>
+ *   <li>"AllowMemoryIncrease" (optional) - the allowed memory increase measured in kByte per exported document. The default is 10 kByte.</li>
+ *   <li>"ExportDocCount" (optional) - the amount of exports for each document that is loaded. Is defaulted to 25.
+ *   <li>"FileExportFilter" (optional) - a relation between loaded document type and used export filter. Is defaulted to
+ *       writer, calc and impress. This parameter can be set with a number to give more than one relation. Example:<br>
+ *       "FileExportFilter1=sxw,writer_pdf_Export"<br>
+ *       "FileExportFilter2=sxc,calc_pdf_Export"<br>
+ *       "FileExportFilter3=sxi,impress_pdf_Export"<br></li>
+ *       All parameters are used for iteration over the test document path.
+ * </ul>
+ */
+public class CheckMemoryUsage extends ComplexTestCase {
+    private final String sWriterDoc = "sxw,writer_pdf_Export";
+    private final String sCalcDoc = "sxc,calc_pdf_Export";
+    private final String sImpressDoc = "sxi,impress_pdf_Export";
+    private String sProcessId = "ps -ef | grep $USER | grep soffice | grep -v grep";
+    private String sMemoryMonitor = "pmap <processID> | grep total";
+    private String sChmod = "chmod 777 ";
+    private String sProcessIdCommand = null;
+    private String sOfficeMemoryCommand = null;
+    private String sTempDir = null;
+    private String sFS = null;
+    private String sMemoryMap1 = null;
+    private String sMemoryMap2 = null;
+    private String bash = "#!/bin/bash";
+    private String sDocumentPath = "";
+    private String[][] sDocTypeExportFilter;
+    private String[][] sDocuments;
+    private int iAllowMemoryIncrease = 10;
+    private int iExportDocCount = 25;
+
+    /**
+     * Get all test methods
+     * @return The test methods.
+     */
+    public String[] getTestMethodNames() {
+        return new String[] {"loadAndSaveDocuments"};
+    }
+
+    /**
+     * Collect all documnets to load and all filters used for export.
+     */
+    public void before() {
+        // test does definitely not run on Windows.
+        if (param.get("OperatingSystem").equals("wntmsci")) {
+            log.println("Test can only reasonably be executed with a tool that "
+                        + "displays the memory usage of StarOffice.");
+            failed("Test does not run on Windows, only on Solaris or Linux.");
+        }
+
+        // how many times is every document exported.
+        int count = param.getInt("ExportDocCount");
+        if (count != 0)
+            iExportDocCount = count;
+
+        // get the temp dir for creating the command scripts.
+        sTempDir = System.getProperty("java.io.tmpdir");
+        sProcessIdCommand = sTempDir + "getPS";
+        sOfficeMemoryCommand = sTempDir + "getPmap";
+
+        // get the file extension, export filter connection
+        Enumeration keys = param.keys();
+        Vector v = new Vector();
+        while(keys.hasMoreElements()) {
+            String key = (String)keys.nextElement();
+            if (key.startsWith("FileExportFilter")) {
+                v.add(param.get(key));
+            }
+        }
+        // if no param given, set defaults.
+        if (v.size() == 0){
+            v.add(sWriterDoc);
+            v.add(sCalcDoc);
+            v.add(sImpressDoc);
+        }
+        // store a file extension
+        sDocTypeExportFilter = new String[v.size()][2];
+        for (int i=0; i<v.size(); i++) {
+            // 2do: error routine for wrong given params
+            StringTokenizer t = new StringTokenizer((String)v.get(i), ",");
+            sDocTypeExportFilter[i][0] = t.nextToken();
+            sDocTypeExportFilter[i][1] = t.nextToken();
+        }
+
+        // get files to load and export
+        sDocumentPath = (String)param.get("TestDocumentPath");
+        File f = new File(sDocumentPath);
+        sDocumentPath = f.getAbsolutePath();
+        String sFS = System.getProperty("file.separator");
+        sDocuments = new String[sDocTypeExportFilter.length][];
+        for (int j=0; j<sDocTypeExportFilter.length; j++) {
+            FileFilter filter = new FileFilter(sDocTypeExportFilter[j][0]);
+            String[] doc = f.list(filter);
+            sDocuments[j] = new String[doc.length];
+            for (int i=0; i<doc.length; i++) {
+                if (sDocumentPath.endsWith(sFS))
+                    sDocuments[j][i] = sDocumentPath + doc[i];
+                else
+                    sDocuments[j][i] = sDocumentPath + sFS + doc[i];
+                sDocuments[j][i] = utils.getFullURL(sDocuments[j][i]);
+            }
+        }
+    }
+
+    /**
+     * delete all created files on disk
+     */
+    public void after() {
+        // delete the constructed files.
+        for (int i=0; i<iExportDocCount; i++) {
+            File f = new File(sTempDir + "DocExport" + i + ".pdf");
+            f.delete();
+        }
+        File f = new File(sProcessIdCommand);
+        f.delete();
+        f = new File(sOfficeMemoryCommand);
+        f.delete();
+    }
+
+    /**
+     * Thet etst function: load documents and save them using the given filters
+     * for each given document type.
+     */
+    public void loadAndSaveDocuments() {
+        int storageBefore = getOfficeMemoryUsage();
+
+        XMultiServiceFactory xMSF = (XMultiServiceFactory)param.getMSF();
+
+        // iterate over all document types
+        for (int k=0; k<sDocTypeExportFilter.length; k++) {
+            // iterate over all documents of this type
+            for (int i=0; i<sDocuments[k].length; i++) {
+                System.out.println("Document: "+ sDocuments[k][i]);
+                XComponent xComponent = DesktopTools.loadDoc(xMSF, sDocuments[k][i], null);
+                XStorable xStorable = (XStorable)UnoRuntime.queryInterface(XStorable.class, xComponent);
+                if (xStorable != null) {
+                    // export each document iExportDocCount times
+                    for (int j=0; j<iExportDocCount; j++) {
+                        String url = utils.getFullURL(sTempDir + "DocExport" + j + ".pdf");
+                        try {
+                            PropertyValue[] props = new PropertyValue[1];
+                            props[0] = new PropertyValue();
+                            props[0].Name = "FilterName";
+                            // use export filter for this doc type
+                            props[0].Value = sDocTypeExportFilter[k][1];
+                            xStorable.storeToURL(url, props);
+                        }
+                        catch(com.sun.star.io.IOException e) {
+                            failed("Could not store to '" + url + "'", true);
+                        }
+                    }
+                    // close the doc
+                    XCloseable xCloseable = (XCloseable)UnoRuntime.queryInterface(XCloseable.class, xStorable);
+                    try {
+                        xCloseable.close(true);
+                    }
+                    catch(com.sun.star.util.CloseVetoException e) {
+                        e.printStackTrace((java.io.PrintWriter)log);
+                        failed("Cannot close document: test is futile, Office will surely use more space.");
+                    }
+                }
+                else {
+                    log.println("Cannot query for XStorable interface on document '" + sDocuments[i] + "'");
+                    log.println(" -> Skipping storage.");
+                }
+            }
+        }
+        // short wait for the office to 'calm down' and free some memory
+        shortWait(5000);
+        // wait util memory is not freed anymore.
+        int storageAfter = getOfficeMemoryUsage();
+        int mem = 0;
+        int count = 0;
+        while (storageAfter != mem && count < 10) {
+            count++;
+            mem = storageAfter;
+            storageAfter = getOfficeMemoryUsage();
+            shortWait(1000);
+        }
+        assure("The Office consumes now " + (storageAfter - storageBefore)
+            + "K more memory than at the start of the test; allowed were "
+            + iAllowMemoryIncrease * iExportDocCount + "K.",
+            storageAfter - storageBefore < iAllowMemoryIncrease * iExportDocCount);
+
+    }
+
+    /**
+     * Get the process ID from the Office
+     * @return the Id as String
+     */
+    private String getOfficeProcessID() {
+        writeExecutableFile(sProcessIdCommand, sProcessId);
+        ProcessHandler processID = new ProcessHandler(sProcessIdCommand);
+        processID.executeSynchronously();
+        String text = processID.getOutputText();
+        if (text == null || text.equals("") || text.indexOf(' ') == -1)
+            failed("Could not determine Office process ID. Check " + sProcessIdCommand);
+        StringTokenizer aToken = new StringTokenizer(text);
+        // this is not nice, but ps gives the same output on every machine
+        aToken.nextToken();
+        String id = aToken.nextToken();
+        return id;
+    }
+
+    /**
+     * Get the memory usage of the Office in KByte.
+     * @return The memory used by the Office.
+     */
+    private int getOfficeMemoryUsage() {
+        String command = sMemoryMonitor.replaceAll("<processID>", getOfficeProcessID());
+        writeExecutableFile(sOfficeMemoryCommand, command);
+        ProcessHandler processID = new ProcessHandler(sOfficeMemoryCommand);
+        processID.executeSynchronously();
+        String text = processID.getOutputText();
+        if (text == null || text.equals("") || text.indexOf(' ') == -1) {
+            failed("Could not determine Office memory usage. Check " + sOfficeMemoryCommand);
+        }
+        StringTokenizer aToken = new StringTokenizer(text);
+        // this works, because the output of pmap is quite standardized.
+        aToken.nextToken();
+        String mem = aToken.nextToken();
+        mem = mem.substring(0, mem.indexOf('K'));
+        Integer memory = new Integer(mem);
+        return memory.intValue();
+    }
+
+    /**
+     * Write a script file and set its rights to rwxrwxrwx.
+     * @param fileName The name of the created file
+     * @param line The commandline that has to be written inside of the file.
+     */
+    private void writeExecutableFile(String fileName, String line) {
+        try {
+            PrintWriter fWriter = new PrintWriter(new FileWriter(fileName));
+            fWriter.println(bash);
+            fWriter.println(line);
+            fWriter.close();
+            // change rights to rwxrwxrwx
+            ProcessHandler processID = new ProcessHandler(sChmod + fileName);
+            processID.executeSynchronously();
+        }
+        catch(java.io.IOException e) {
+        }
+    }
+
+    /**
+     * Let this thread sleep for some time
+     * @param milliSeconds time to wait in milliseconds.
+     */
+    private void shortWait(int milliSeconds) {
+        try {
+            Thread.sleep(milliSeconds);
+        }
+        catch(java.lang.InterruptedException e) { // ignore
+        }
+    }
+
+    /**
+     * Own file filter, will just return ok for all files that end with a given
+     * suffix
+     */
+    private class FileFilter implements FilenameFilter {
+        private String suffix = null;
+        /**
+         * C'tor.
+         * @param suffix The suffix each filename should end with.
+         */
+        public FileFilter(String suffix) {
+            this.suffix = suffix;
+        }
+        /**
+         * Returns true, if the name of the file has the suffix given to the
+         * c'tor.
+         * @param name The filename that is tested.
+         * @param file Not used.
+         * @return True, if name ends with suffix.
+         */
+        public boolean accept(File file, String name) {
+            return name.endsWith(suffix);
+        }
+    };
+
+}