apps/kinfocenter/samba/kcmsambalog.cpp

   1 /*
   2  * kcmsambalog.cpp
   3  *
   4  * Copyright (c) 2000 Alexander Neundorf <neundorf@kde.org>
   5  *
   6  * Requires the Qt widget libraries, available at no cost at
   7  * http://www.troll.no/
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  22  */
  23
  24 #include <QApplication>
  25 #include <QFile>
  26 #include <QLayout>
  27
  28 #include <kmessagebox.h>
  29 #include <kdialog.h>
  30 #include <klocale.h>
  31
  32 #include "kcmsambalog.h"
  33 #include "kcmsambalog.moc"
  34
  35 #define LOG_SCREEN_XY_OFFSET 10
  36
  37 LogView::LogView(QWidget *parent, KConfig *config) :
  38         QWidget(parent), configFile(config), filesCount(0), connectionsCount(0), logFileName(KUrl::fromPath("/var/log/samba.log"), this), label(i18n("Samba log file: "), this), viewHistory(this), showConnOpen(i18n("Show opened connections"), this), showConnClose(i18n("Show closed connections"), this),
  39                         showFileOpen(i18n("Show opened files"), this), showFileClose(i18n("Show closed files"), this), updateButton(i18n("&Update"), this) {
  40         label.setBuddy( &logFileName);
  41         QVBoxLayout *mainLayout=new QVBoxLayout(this);
  42         mainLayout->setMargin(KDialog::marginHint());
  43         mainLayout->setSpacing(KDialog::spacingHint());
  44         QHBoxLayout *leLayout=new QHBoxLayout();
  45         mainLayout->addItem(leLayout);
  46         leLayout->addWidget(&label);
  47         leLayout->addWidget(&logFileName, 1);
  48         mainLayout->addWidget(&viewHistory, 1);
  49         QGridLayout *subLayout=new QGridLayout();
  50         mainLayout->addItem(subLayout);
  51         subLayout->addWidget(&showConnOpen, 0, 0);
  52         subLayout->addWidget(&showConnClose, 1, 0);
  53         subLayout->addWidget(&showFileOpen, 0, 1);
  54         subLayout->addWidget(&showFileClose, 1, 1);
  55         mainLayout->addWidget(&updateButton, 0, Qt::AlignLeft);
  56
  57         logFileName.setWhatsThis(i18n("This page presents the contents of"
  58                 " your samba log file in a friendly layout. Check that the correct log"
  59                 " file for your computer is listed here. If you need to, correct the name"
  60                 " or location of the log file, and then click the \"Update\" button.") );
  61
  62         showConnOpen.setWhatsThis(i18n("Check this option if you want to"
  63                 " view the details for connections opened to your computer.") );
  64
  65         showConnClose.setWhatsThis(i18n("Check this option if you want to"
  66                 " view the events when connections to your computer were closed.") );
  67
  68         showFileOpen.setWhatsThis(i18n("Check this option if you want to"
  69                 " see the files which were opened on your computer by remote users."
  70                 " Note that file open/close events are not logged unless the samba"
  71                 " log level is set to at least 2 (you cannot set the log level"
  72                 " using this module).") );
  73
  74         showFileClose.setWhatsThis(i18n("Check this option if you want to"
  75                 " see the events when files opened by remote users were closed."
  76                 " Note that file open/close events are not logged unless the samba"
  77                 " log level is set to at least 2 (you cannot set the log level"
  78                 " using this module).") );
  79
  80         updateButton.setWhatsThis(i18n("Click here to refresh the information"
  81                 " on this page. The log file (shown above) will be read to obtain the"
  82                 " events logged by samba.") );
  83
  84         viewHistory.setAllColumnsShowFocus(true);
  85         viewHistory.setFocusPolicy(Qt::ClickFocus);
  86         viewHistory.setShowSortIndicator(true);
  87
  88         viewHistory.addColumn(i18n("Date & Time"), 130);
  89         viewHistory.addColumn(i18n("Event"), 150);
  90         viewHistory.addColumn(i18n("Service/File"), 210);
  91         viewHistory.addColumn(i18n("Host/User"), 150);
  92
  93         viewHistory.setWhatsThis(i18n("<p>This list shows details of the events"
  94                 " logged by samba. Note that events at the file level are not logged"
  95                 " unless you have configured the log level for samba to 2 or greater.</p><p>"
  96                 " As with many other lists in KDE, you can click on a column heading"
  97                 " to sort on that column. Click again to change the sorting direction"
  98                 " from ascending to descending or vice versa.</p><p>"
  99                 " If the list is empty, try clicking the \"Update\" button. The samba"
 100                 " log file will be read and the list refreshed.</p>") );
 101
 102         showConnOpen.setChecked(true);
 103         showConnClose.setChecked(true);
 104         showFileOpen.setChecked(false);
 105         showFileClose.setChecked(false);
 106
 107         connect(&updateButton, SIGNAL(clicked()), this, SLOT(updateList()));
 108 emit    contentsChanged(&viewHistory, 0, 0);
 109
 110         label.setMinimumSize(label.sizeHint());
 111         logFileName.setMinimumSize(250, logFileName.sizeHint().height());
 112         viewHistory.setMinimumSize(425, 200);
 113         showConnOpen.setMinimumSize(showConnOpen.sizeHint());
 114         showConnClose.setMinimumSize(showConnClose.sizeHint());
 115         showFileOpen.setMinimumSize(showFileOpen.sizeHint());
 116         showFileClose.setMinimumSize(showFileClose.sizeHint());
 117         updateButton.setFixedSize(updateButton.sizeHint());
 118 }
 119
 120 void LogView::loadSettings() {
 121         if (configFile==0)
 122                 return;
 123         KConfigGroup group = configFile->group(LOGGROUPNAME);
 124         logFileName.setPath(group.readPathEntry("SambaLogFile", "/var/log/samba.log"));
 125
 126         showConnOpen.setChecked(group.readEntry("ShowConnectionOpen", true));
 127         showConnClose.setChecked(group.readEntry("ShowConnectionClose", false));
 128         showFileOpen.setChecked(group.readEntry("ShowFileOpen", true));
 129         showFileClose.setChecked(group.readEntry("ShowFileClose", false));
 130 }
 131
 132 void LogView::saveSettings() {
 133         if (configFile==0)
 134                 return;
 135         KConfigGroup group = configFile->group(LOGGROUPNAME);
 136         group.writePathEntry("SambaLogFile", logFileName.url().path());
 137
 138         group.writeEntry("ShowConnectionOpen", showConnOpen.isChecked());
 139         group.writeEntry("ShowConnectionClose", showConnClose.isChecked());
 140         group.writeEntry("ShowFileOpen", showFileOpen.isChecked());
 141         group.writeEntry("ShowFileClose", showFileClose.isChecked());
 142 }
 143
 144 #define CONN_OPEN " connect to service "
 145 #define CONN_CLOSE " closed connection to service "
 146 #define FILE_OPEN " opened file "
 147 #define FILE_CLOSE " closed file "
 148
 149 //caution ! high optimized code :-)
 150 void LogView::updateList() {
 151         QFile logFile(logFileName.url().path());
 152         if (logFile.open(QIODevice::ReadOnly)) {
 153                 QApplication::setOverrideCursor(Qt::WaitCursor);
 154                 viewHistory.clear();
 155                 filesCount=0;
 156                 connectionsCount=0;
 157
 158                 int connOpenLen(strlen(CONN_OPEN));
 159                 int connCloseLen(strlen(CONN_CLOSE));
 160                 int fileOpenLen(strlen(FILE_OPEN));
 161                 int fileCloseLen(strlen(FILE_CLOSE));
 162
 163                 char buf[400];
 164                 char *c1, *c2, *c3, *c4, *c, time[25];
 165                 int timeRead(0);
 166
 167                 while (!logFile.atEnd()) {
 168                         logFile.readLine(buf, sizeof(buf));
 169                         timeRead=0;
 170                         if (buf[0]=='[') {
 171                                 if (strlen(buf)>11)
 172                                         if (buf[5]=='/') {
 173                                                 buf[20]='\0';
 174                                                 strncpy(time, buf+1, sizeof(time));
 175                                                 time[sizeof(time)-1] = '\0';
 176                                                 timeRead=1;
 177                                         };
 178                         };
 179                         if (timeRead==0) {
 180                                 c1=0;
 181                                 c2=0;
 182                                 c3=0;
 183                                 c4=0;
 184                                 if (showConnOpen.isChecked())
 185                                         c1=strstr(buf, CONN_OPEN);
 186                                 if (c1==0) {
 187                                         if (showConnClose.isChecked())
 188                                                 c2=strstr(buf, CONN_CLOSE);
 189                                         if (c2==0) {
 190                                                 if (showFileOpen.isChecked())
 191                                                         c3=strstr(buf, FILE_OPEN);
 192                                                 if (c3==0) {
 193                                                         if (showFileClose.isChecked())
 194                                                                 c4=strstr(buf, FILE_CLOSE);
 195                                                         if (c4==0)
 196                                                                 continue;
 197                                                 };
 198                                         };
 199                                 };
 200                                 if (c1!=0) {
 201                                         c=strstr(buf, " as user");
 202                                         *c='\0';
 203                                         *c1='\0';
 204                                         new QListViewItemX(&viewHistory,time,I18N_NOOP("CONNECTION OPENED"),c1+connOpenLen,buf+2);
 205                                         connectionsCount++;
 206                                 } else if (c2!=0) {
 207                                         *c2='\0';
 208                                         new QListViewItemX(&viewHistory,time,I18N_NOOP("CONNECTION CLOSED"),c2+connCloseLen,buf+2);
 209                                 } else if (c3!=0) {
 210                                         c=strstr(buf, " read=");
 211                                         *c='\0';
 212                                         *c3='\0';
 213                                         new QListViewItemX(&viewHistory,time,I18N_NOOP("            FILE OPENED"),c3+fileOpenLen,buf+2);
 214                                         filesCount++;
 215                                 } else if (c4!=0) {
 216                                         c=strstr(buf, " (numopen=");
 217                                         *c='\0';
 218                                         *c4='\0';
 219                                         new QListViewItemX(&viewHistory,time,I18N_NOOP("            FILE CLOSED"),c4+fileCloseLen,buf+2);
 220                                 };
 221                         };
 222                 };
 223                 logFile.close();
 224 emit            contentsChanged(&viewHistory, filesCount, connectionsCount);
 225                 QApplication::restoreOverrideCursor();
 226         } else {
 227                 QString tmp = i18n("Could not open file %1", logFileName.url().path());
 228                 KMessageBox::error(this, tmp);
 229         };
 230 }
 231