workspace/ksysguard/ksysguardd/NetBSD/logfile.c

   1 /*
   2     KSysGuard, the KDE System Guard
   3
   4         Copyright (c) 2001 Tobias Koenig <tokoe@kde.org>
   5
   6     This program is free software; you can redistribute it and/or
   7     modify it under the terms of version 2 of the GNU General Public
   8     License as published by the Free Software Foundation.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18
  19 */
  20
  21 #include <config-workspace.h>
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "Command.h"
  28 #include "ccont.h"
  29 #include "conf.h"
  30 #include "ksysguardd.h"
  31 #include "logfile.h"
  32
  33 static CONTAINER LogFiles = 0;
  34 static unsigned long counter = 1;
  35
  36 typedef struct {
  37         char name[256];
  38         FILE* fh;
  39         unsigned long id;
  40 } LogFileEntry;
  41
  42 extern CONTAINER LogFileList;
  43
  44 /*
  45 ================================ public part =================================
  46 */
  47
  48 void initLogFile(struct SensorModul* sm)
  49 {
  50         char monitor[1024];
  51         ConfigLogFile *entry;
  52
  53         registerCommand("logfile_register", registerLogFile);
  54         registerCommand("logfile_unregister", unregisterLogFile);
  55         registerCommand("logfile_registered", printRegistered);
  56
  57         for (entry = first_ctnr(LogFileList); entry; entry = next_ctnr(LogFileList))
  58         {
  59                 FILE* fp;
  60
  61                 /* register the log file if we can actually read the file. */
  62                 if ((fp = fopen(entry->path, "r")) != NULL)
  63                 {
  64                         fclose(fp);
  65                         snprintf(monitor, 1024, "logfiles/%s", entry->name);
  66                         registerMonitor(monitor, "logfile", printLogFile,
  67                                                         printLogFileInfo, sm);
  68                 }
  69         }
  70
  71         LogFiles = new_ctnr();
  72 }
  73
  74 void exitLogFile(void)
  75 {
  76         destr_ctnr(LogFiles, free);
  77 }
  78
  79 void printLogFile(const char* cmd)
  80 {
  81         char line[1024];
  82         unsigned long id;
  83         int i;
  84         char ch;
  85         LogFileEntry *entry;
  86
  87         sscanf(cmd, "%*s %lu", &id);
  88
  89         for (entry = first_ctnr(LogFiles); entry; entry = next_ctnr(LogFiles)) {
  90                 if (entry->id == id) {
  91                         while (fgets(line, sizeof(line), entry->fh) != NULL) {
  92                                 fprintf(CurrentClient, "%s", line);
  93                         }
  94                         clearerr(entry->fh);
  95                 }
  96         }
  97
  98         fprintf(CurrentClient, "\n");
  99 }
 100
 101 void printLogFileInfo(const char* cmd)
 102 {
 103         fprintf(CurrentClient, "LogFile\n");
 104 }
 105
 106 void registerLogFile(const char* cmd)
 107 {
 108         char name[257];
 109         FILE* file;
 110         LogFileEntry *entry;
 111         ConfigLogFile *conf;
 112
 113         memset(name, 0, sizeof(name));
 114         sscanf(cmd, "%*s %256s", name);
 115
 116         for (conf = first_ctnr(LogFileList); conf; conf = next_ctnr(LogFileList)) {
 117                 if (!strcmp(conf->name, name)) {
 118                         if ((file = fopen(conf->path, "r")) == NULL) {
 119                                 print_error("fopen()");
 120                                 fprintf(CurrentClient, "0\n");
 121                                 return;
 122                         }
 123
 124                         fseek(file, 0, SEEK_END);
 125
 126                         if ((entry = (LogFileEntry *)malloc(sizeof(LogFileEntry))) == NULL) {
 127                                 print_error("malloc()");
 128                                 fprintf(CurrentClient, "0\n");
 129                                 return;
 130                         }
 131
 132                         entry->fh = file;
 133                         strlcpy(entry->name, conf->name, sizeof(entry->name));
 134                         entry->id = counter;
 135
 136                         push_ctnr(LogFiles, entry);
 137
 138                         fprintf(CurrentClient, "%lu\n", counter);
 139                         counter++;
 140
 141                         return;
 142                 }
 143         }
 144
 145         fprintf(CurrentClient, "0\n");
 146 }
 147
 148 void unregisterLogFile(const char* cmd)
 149 {
 150         unsigned long id;
 151         LogFileEntry *entry;
 152
 153         sscanf(cmd, "%*s %lu", &id);
 154
 155         for (entry = first_ctnr(LogFiles); entry; entry = next_ctnr(LogFiles)) {
 156                 if (entry->id == id) {
 157                         fclose(entry->fh);
 158                         free(remove_ctnr(LogFiles));
 159                         fprintf(CurrentClient, "\n");
 160                         return;
 161                 }
 162         }
 163
 164         fprintf(CurrentClient, "\n");
 165 }
 166
 167 void printRegistered(const char* cmd)
 168 {
 169         LogFileEntry *entry;
 170
 171         for (entry = first_ctnr(LogFiles); entry; entry = next_ctnr(LogFiles))
 172                 fprintf(CurrentClient, "%s:%lu\n", entry->name, entry->id);
 173
 174         fprintf(CurrentClient, "\n");
 175 }