include/modules.h

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  modules.h: A header for the modules functions.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2004 ircd-ratbox development team
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  *
  24  *  $Id: modules.h 6 2005-09-10 01:02:21Z nenolod $
  25  */
  26
  27 #ifndef INCLUDED_modules_h
  28 #define INCLUDED_modules_h
  29 #include "config.h"
  30 #include "setup.h"
  31 #include "parse.h"
  32
  33 #define MAPI_RATBOX 1
  34
  35 #include <ltdl.h>
  36
  37 #include "msg.h"
  38 #include "hook.h"
  39
  40 struct module
  41 {
  42         char *name;
  43         const char *version;
  44         lt_dlhandle address;
  45         int core;
  46         int mapi_version;
  47         void * mapi_header; /* actually struct mapi_mheader_av<mapi_version>    */
  48 };
  49
  50 #define MAPI_MAGIC_HDR  0x4D410000
  51
  52 #define MAPI_V1         (MAPI_MAGIC_HDR | 0x1)
  53
  54 #define MAPI_MAGIC(x)   ((x) & 0xffff0000)
  55 #define MAPI_VERSION(x) ((x) & 0x0000ffff)
  56
  57 typedef struct Message* mapi_clist_av1;
  58
  59 typedef struct
  60 {
  61         const char *    hapi_name;
  62         int *           hapi_id;
  63 } mapi_hlist_av1;
  64
  65 typedef struct
  66 {
  67         const char *    hapi_name;
  68         hookfn          fn;
  69 } mapi_hfn_list_av1;
  70
  71 struct mapi_mheader_av1
  72 {
  73         int               mapi_version;                         /* Module API version           */
  74         int             (*mapi_register)        (void);         /* Register function;
  75                                                                    ret -1 = failure (unload)    */
  76         void            (*mapi_unregister)      (void);         /* Unregister function.         */
  77         mapi_clist_av1  * mapi_command_list;                    /* List of commands to add.     */
  78         mapi_hlist_av1  * mapi_hook_list;                       /* List of hooks to add.        */
  79         mapi_hfn_list_av1 *mapi_hfn_list;                       /* List of hook_add_hook's to do */
  80         const char *      mapi_module_version;                  /* Module's version (freeform)  */
  81 };
  82
  83 #define DECLARE_MODULE_AV1(name,reg,unreg,cl,hl,hfnlist, v) \
  84         struct mapi_mheader_av1 _mheader = { MAPI_V1, reg, unreg, cl, hl, hfnlist, v}
  85
  86 /* add a path */
  87 void mod_add_path(const char *path);
  88 void mod_clear_paths(void);
  89
  90 /* load a module */
  91 extern void load_module(char *path);
  92
  93 /* load all modules */
  94 extern void load_all_modules(int warn);
  95
  96 /* load core modules */
  97 extern void load_core_modules(int);
  98
  99 extern int unload_one_module(const char *, int);
 100 extern int load_one_module(const char *, int);
 101 extern int load_a_module(const char *, int, int);
 102 extern int findmodule_byname(const char *);
 103 extern void modules_init(void);
 104
 105 #endif /* INCLUDED_modules_h */