include/loader.h

   1 /*
   2  * PgBouncer - Lightweight connection pooler for PostgreSQL.
   3  *
   4  * Copyright (c) 2007-2009  Marko Kreen, Skype Technologies OÜ
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 /* configuration parsing */
  20 #define CF_INT          {cf_get_int, cf_set_int}
  21 #define CF_STR          {cf_get_str, cf_set_str}
  22 #define CF_TIME         {cf_get_time, cf_set_time}
  23
  24 #define CF_SECT_VARS    1       /* senction contains pre-defined key-var pairs */
  25 #define CF_SECT_DATA    2       /* key-val pairs are data */
  26
  27 typedef struct ConfElem ConfElem;
  28
  29 /* callback for CF_SECT_DATA loading */
  30 typedef void (*conf_data_callback_fn)(char *key, char *value);
  31
  32 typedef const char * (*conf_var_get_fn)(ConfElem *elem);
  33 typedef bool (*conf_var_set_fn)(ConfElem *elem, const char *value, PgSocket *console) _MUSTCHECK;
  34
  35 typedef struct {
  36         conf_var_get_fn fn_get;
  37         conf_var_set_fn fn_set;
  38 } ConfAccess;
  39
  40 struct ConfElem {
  41         const char *name;
  42         bool reloadable;
  43         ConfAccess io;
  44         void *dst;
  45         bool allocated;
  46 };
  47
  48 typedef struct ConfSection {
  49         const char *name;
  50         ConfElem *elem_list;
  51         conf_data_callback_fn data_fn;
  52 } ConfSection;
  53
  54 bool iniparser(const char *fn, ConfSection *sect_list, bool reload)  _MUSTCHECK;
  55
  56 const char * cf_get_int(ConfElem *elem);
  57 bool cf_set_int(ConfElem *elem, const char *value, PgSocket *console);
  58
  59 const char * cf_get_time(ConfElem *elem);
  60 bool cf_set_time(ConfElem *elem, const char *value, PgSocket *console);
  61
  62 const char *cf_get_str(ConfElem *elem);
  63 bool cf_set_str(ConfElem *elem, const char *value, PgSocket *console);
  64
  65 const char *conf_to_text(ConfElem *elem);
  66 bool set_config_param(ConfElem *elem_list, const char *key, const char *val, bool reload, PgSocket *console) /* _MUSTCHECK */;
  67
  68 /* connstring parsing */
  69 void parse_database(char *name, char *connstr);
  70
  71 /* user file parsing */
  72 bool load_auth_file(const char *fn)  /* _MUSTCHECK */;
  73 bool loader_users_check(void)  /* _MUSTCHECK */;
  74