src/status_counter.c

   1 #include "first.h"
   2
   3 #include "status_counter.h"
   4
   5 #include <stdlib.h>
   6
   7 /**
   8  * The status array can carry all the status information you want
   9  * the key to the array is <module-prefix>.<name>
  10  * and the values are counters
  11  *
  12  * example:
  13  *   fastcgi.backends        = 10
  14  *   fastcgi.active-backends = 6
  15  *   fastcgi.backend.<key>.load = 24
  16  *   fastcgi.backend.<key>....
  17  *
  18  *   fastcgi.backend.<key>.disconnects = ...
  19  */
  20
  21 data_integer *status_counter_get_counter(server *srv, const char *s, size_t len) {
  22         data_integer *di;
  23
  24         if (NULL == (di = (data_integer *)array_get_element(srv->status, s))) {
  25                 /* not found, create it */
  26
  27                 if (NULL == (di = (data_integer *)array_get_unused_element(srv->status, TYPE_INTEGER))) {
  28                         di = data_integer_init();
  29                 }
  30                 buffer_copy_string_len(di->key, s, len);
  31                 di->value = 0;
  32
  33                 array_insert_unique(srv->status, (data_unset *)di);
  34         }
  35         return di;
  36 }
  37
  38 /* dummies of the statistic framework functions
  39  * they will be moved to a statistics.c later */
  40 int status_counter_inc(server *srv, const char *s, size_t len) {
  41         data_integer *di = status_counter_get_counter(srv, s, len);
  42
  43         di->value++;
  44
  45         return 0;
  46 }
  47
  48 int status_counter_dec(server *srv, const char *s, size_t len) {
  49         data_integer *di = status_counter_get_counter(srv, s, len);
  50
  51         if (di->value > 0) di->value--;
  52
  53         return 0;
  54 }
  55
  56 int status_counter_set(server *srv, const char *s, size_t len, int val) {
  57         data_integer *di = status_counter_get_counter(srv, s, len);
  58
  59         di->value = val;
  60
  61         return 0;
  62 }
  63