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annotate ui/processhelp_linux.cpp @ 1371:23df332b2a4c

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(issue179) Read install signature timestamp from config This also changes the way the sigDt is propgated to the MainWindow. It no longer uses the settings but hands it over as a parameter directly.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 24 Nov 2014 15:48:49 +0100
parents 2a1aa9df8f11
children 96f640c88d10
rev   line source
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Andre Heinecke <andre.heinecke@intevation.de>
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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 #ifndef WIN32
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9
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10 #include "processhelp.h"
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11 #include "linuxlockfile.h"
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12 #include "util.h"
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13
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14 #include <fcntl.h>
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15 #include <semaphore.h>
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16
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17 #include <QDebug>
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18 #include <QDir>
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19 #include <QStandardPaths>
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20 #include <QApplication>
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21
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22 int lockFileFD = -1;
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23
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24 const QList<int> ProcessHelp::getProcessesIdForName(const QString &processName) {
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25 // TODO (issue39)
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26 Q_UNUSED(processName);
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27 return QList<int>();
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28 }
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29
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30 bool ProcessHelp::otherProcessesExist(const QString &processName) {
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31 QDir dataDir(QStandardPaths::writableLocation(QStandardPaths::DataLocation));
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32 dataDir.mkpath(".");
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33 QString lockFilePath = dataDir.filePath(processName + ".pid");
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34 lockFileFD = open_lockfile(lockFilePath.toLocal8Bit().data());
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35 if (lockFileFD == -1)
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36 // Creating the lock file failed, so we assume another
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37 // instance is runnning.
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38 return true;
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39 return false;
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40 }
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41
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42 void ProcessHelp::activateWindowForProcess(const QString &executableName) {
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43 // TODO (issue136)
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44 Q_UNUSED(executableName);
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45 return;
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46 }
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47
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48 void ProcessHelp::cleanUp() {
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49 close_lockfile(lockFileFD);
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50 }
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51
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52 QDateTime ProcessHelp::getSigDtFromInstSettings() {
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53 QString pathCandidate;
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54 QDateTime retval;
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55 if (is_system_install()) {
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56 pathCandidate = "/etc/" + qApp->applicationName() + "/" +
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57 qApp->applicationName() + "-inst.cfg";
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58 } else {
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59 qDebug() << "Application name is : " << qApp->applicationName();
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60 pathCandidate = QStandardPaths::writableLocation(QStandardPaths::ConfigLocation) +
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61 + "/" + qApp->organizationName() + "/" + qApp->applicationName() + "-inst.cfg";
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62 }
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63 QFileInfo fi(pathCandidate);
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64 if (!fi.isReadable()) {
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65 qDebug() << "Failed to find install config: " << pathCandidate;
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66 return retval;
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67 }
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68 QFile instcfg(pathCandidate);
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69 if (!instcfg.open(QIODevice::ReadOnly)) {
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70 qDebug() << "Failed to open install config";
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71 return retval;
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72 }
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73 QByteArray data;
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74 int readLines = 0;
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75 while (readLines < 100) {
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76 readLines++;
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77 data = instcfg.readLine();
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78 if (data.isEmpty()) {
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79 qDebug() << "Failed to read install config";
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80 break;
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81 }
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82 QString line = QString::fromLocal8Bit(data);
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83 if (line.startsWith("SIG_DATE=")) {
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84 bool ok = false;
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85 QString sigDate = line.replace("SIG_DATE=","");
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86 long sigSecs = sigDate.toLong(&ok);
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87 if (!ok) {
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88 qDebug() << "Failed to convert sig date to long";
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89 }
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90 retval = QDateTime::fromTime_t(sigSecs);
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91 break;
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92 }
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93 }
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94 qDebug() << "Sig time is: " << retval;
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95 instcfg.close();
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96 return retval;
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97 }
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98 #endif /* Not WIN32 */
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