Mercurial > trustbridge

annotate ui/tests/common.cpp @ 1332:8362e30f7b55

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(issue139) Check that pid is not running if the lock can be aquired If the lock on the lockfile can be aquired it might still be possible that another process is running. So we read the pid from the lockfile and check if another process with the same installation prefix as us is running.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 15 Oct 2014 14:19:46 +0200
parents 17e1c8f37d72
children
rev   line source
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #include <QString>
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9 #include <QTemporaryFile>
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10 #include <QDebug>
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11 #include "common.h"
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12
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13 QString getRandomDataFile(size_t size, const QDir &inDir)
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14 {
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15 QTemporaryFile *tmpfile;
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16 if (inDir != QDir()) {
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17 tmpfile = new QTemporaryFile(inDir.path() + "/downloadertest");
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18 } else {
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19 tmpfile = new QTemporaryFile();
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20 }
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21 tmpfile->setAutoRemove(false);
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22 tmpfile->open();
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23 size_t bufsize = 1024 * 1024;
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24 if (bufsize > size) {
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25 bufsize = size;
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26 }
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27 char buf[bufsize];
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28
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29 for (size_t i = 0; i < bufsize; i++) {
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30 buf[i] = (char) qrand() % 255;
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31 }
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32
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33 size_t bytesWritten=0;
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34 int retval = 0;
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35 do {
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36 size_t toWrite = size - bytesWritten;
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37 if (toWrite < bufsize) {
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38 retval = tmpfile->write(buf, toWrite);
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39 } else {
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40 retval = tmpfile->write(buf, bufsize);
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41 }
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42 bytesWritten += retval;
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43 } while (retval != -1 && bytesWritten < size);
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44
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45 tmpfile->close();
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46 QString ret = tmpfile->fileName();
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47 delete tmpfile;
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48 return ret;
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49 }
http://wald.intevation.org/projects/trustbridge/