rrd based system stats
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  1. /***************************************************************************
  2. * Copyright (C) 06/2006 by Olaf Rempel *
  3. * razzor@kopf-tisch.de *
  4. * *
  5. * This program is free software; you can redistribute it and/or modify *
  6. * it under the terms of the GNU General Public License as published by *
  7. * the Free Software Foundation; either version 2 of the License, or *
  8. * (at your option) any later version. *
  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 *
  17. * Free Software Foundation, Inc., *
  18. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
  19. ***************************************************************************/
  20. #include <stdio.h>
  21. #include <stdlib.h>
  22. #include "helper.h"
  23. #include "plugins.h"
  24. #include "probe.h"
  25. struct sammler_plugin plugin;
  26. static const char *ds_def = {
  27. "DS:uptime:GAUGE:15:0:U "
  28. "DS:idletime:GAUGE:15:0:U "
  29. };
  30. static const char * get_ds(int ds_id)
  31. {
  32. return ds_def;
  33. }
  34. static int probe(void)
  35. {
  36. FILE *fp;
  37. char buffer[32];
  38. char *val[2];
  39. fp = fopen("/proc/uptime", "r");
  40. if (fp == NULL) {
  41. log_print(LOG_WARN, "plugin uptime");
  42. return -1;
  43. }
  44. if (fgets(buffer, sizeof(buffer), fp) == NULL) {
  45. log_print(LOG_WARN, "plugin uptime");
  46. fclose(fp);
  47. return -1;
  48. }
  49. fclose(fp);
  50. if (strsplit(buffer, " \t\n", val, 2) != 2)
  51. return -1;
  52. probe_submit(&plugin, "uptime.rrd", 0, "%s:%s", val[0], val[1]);
  53. return 0;
  54. }
  55. struct sammler_plugin plugin = {
  56. .name = "uptime",
  57. .interval = 10,
  58. .probe = &probe,
  59. .get_ds = &get_ds,
  60. };