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asterisk/include/asterisk/extconf.h

264 lines
9.4 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2007, Digium, Inc.
*
* Steve Murphy <murf@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
* \brief External configuration handlers (realtime and static configuration)
* \author Steve Murphy <murf@digium.com>
*
*/
#ifndef _ASTERISK_EXTCONF_H
#define _ASTERISK_EXTCONF_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#ifdef NOTYET
/* I'm going to define all the structs mentioned below, to avoid
possible conflicts in declarations that might be introduced,
if we just include the files that define them-- this may be
unnecessary */
struct ast_comment {
struct ast_comment *next;
char cmt[0];
};
struct ast_variable {
char *name;
char *value;
int lineno;
int object; /*!< 0 for variable, 1 for object */
int blanklines; /*!< Number of blanklines following entry */
struct ast_comment *precomments;
struct ast_comment *sameline;
struct ast_variable *next;
char stuff[0];
};
struct ast_category {
char name[80];
int ignored; /*!< do not let user of the config see this category */
int include_level;
struct ast_comment *precomments;
struct ast_comment *sameline;
struct ast_variable *root;
struct ast_variable *last;
struct ast_category *next;
};
struct ast_config {
struct ast_category *root;
struct ast_category *last;
struct ast_category *current;
struct ast_category *last_browse; /*!< used to cache the last category supplied via category_browse */
int include_level;
int max_include_level;
};
/* ================== above: the config world; below, the dialplan world */
/*! \brief A registered application */
struct ast_app {
int (*execute)(struct ast_channel *chan, void *data);
AST_DECLARE_STRING_FIELDS(
AST_STRING_FIELD(synopsis); /*!< Synopsis text for 'show applications' */
AST_STRING_FIELD(description); /*!< Description (help text) for 'show application &lt;name&gt;' */
AST_STRING_FIELD(syntax); /*!< Syntax text for 'core show applications' */
AST_STRING_FIELD(arguments); /*!< Arguments description */
AST_STRING_FIELD(seealso); /*!< See also */
);
enum ast_xmldoc_src docsrc; /*!< Where the documentation come from. */
AST_RWLIST_ENTRY(ast_app) list; /*!< Next app in list */
void *module; /*!< Module this app belongs to */
char name[0]; /*!< Name of the application */
};
/*!
\brief An extension
The dialplan is saved as a linked list with each context
having it's own linked list of extensions - one item per
priority.
*/
struct ast_exten {
char *exten; /*!< Extension name */
int matchcid; /*!< Match caller id ? */
const char *cidmatch; /*!< Caller id to match for this extension */
int priority; /*!< Priority */
const char *label; /*!< Label */
struct ast_context *parent; /*!< The context this extension belongs to */
const char *app; /*!< Application to execute */
struct ast_app *cached_app; /*!< Cached location of application */
void *data; /*!< Data to use (arguments) */
void (*datad)(void *); /*!< Data destructor */
struct ast_exten *peer; /*!< Next higher priority with our extension */
const char *registrar; /*!< Registrar */
struct ast_exten *next; /*!< Extension with a greater ID */
char stuff[0];
};
/* from pbx.h */
typedef int (*ast_state_cb_type)(const char *context, const char *exten, enum ast_extension_states state, void *data);
struct ast_timing {
int hastime; /*!< If time construct exists */
unsigned int monthmask; /*!< Mask for month */
unsigned int daymask; /*!< Mask for date */
unsigned int dowmask; /*!< Mask for day of week (mon-sun) */
unsigned int minmask[24]; /*!< Mask for minute */
};
/*! \brief include= support in extensions.conf */
struct ast_include {
const char *name;
const char *rname; /*!< Context to include */
const char *registrar; /*!< Registrar */
int hastime; /*!< If time construct exists */
struct ast_timing timing; /*!< time construct */
struct ast_include *next; /*!< Link them together */
char stuff[0];
};
/*! \brief Switch statement in extensions.conf */
struct ast_sw {
char *name;
const char *registrar; /*!< Registrar */
char *data; /*!< Data load */
int eval;
AST_LIST_ENTRY(ast_sw) list;
char *tmpdata;
char stuff[0];
};
/*! \brief Ignore patterns in dial plan */
struct ast_ignorepat {
const char *registrar;
struct ast_ignorepat *next;
const char pattern[0];
};
/*! \brief An extension context */
struct ast_context {
ast_rwlock_t lock; /*!< A lock to prevent multiple threads from clobbering the context */
struct ast_exten *root; /*!< The root of the list of extensions */
struct ast_context *next; /*!< Link them together */
struct ast_include *includes; /*!< Include other contexts */
struct ast_ignorepat *ignorepats; /*!< Patterns for which to continue playing dialtone */
const char *registrar; /*!< Registrar */
AST_LIST_HEAD_NOLOCK(, ast_sw) alts; /*!< Alternative switches */
ast_mutex_t macrolock; /*!< A lock to implement "exclusive" macros - held whilst a call is executing in the macro */
char name[0]; /*!< Name of the context */
};
#endif
struct ast_config *localized_config_load(const char *filename);
struct ast_config *localized_config_load_with_comments(const char *filename);
struct ast_category *localized_category_get(const struct ast_config *config, const char *category_name);
int localized_config_text_file_save(const char *configfile, const struct ast_config *cfg, const char *generator);
struct ast_context *localized_walk_contexts(struct ast_context *con);
struct ast_exten *localized_walk_context_extensions(struct ast_context *con,
struct ast_exten *exten);
struct ast_exten *localized_walk_extension_priorities(struct ast_exten *exten,
struct ast_exten *priority);
struct ast_include *localized_walk_context_includes(struct ast_context *con,
struct ast_include *inc);
struct ast_sw *localized_walk_context_switches(struct ast_context *con,
struct ast_sw *sw);
void localized_context_destroy(struct ast_context *con, const char *registrar);
int localized_pbx_load_module(void);
/*!
* \version 1.6.1 added tab parameter
* \version 1.6.1 renamed function from localized_context_create to localized_context_find_or_create
*/
struct ast_context *localized_context_find_or_create(struct ast_context **extcontexts, void *tab, const char *name, const char *registrar);
int localized_pbx_builtin_setvar(struct ast_channel *chan, const void *data);
int localized_context_add_ignorepat2(struct ast_context *con, const char *value, const char *registrar);
int localized_context_add_switch2(struct ast_context *con, const char *value,
const char *data, int eval, const char *registrar);
int localized_context_add_include2(struct ast_context *con, const char *value,
const char *registrar);
int localized_add_extension2(struct ast_context *con,
int replace, const char *extension, int priority, const char *label, const char *callerid,
const char *application, void *data, void (*datad)(void *),
const char *registrar);
/*!
* \version 1.6.1 added tab parameter
*/
void localized_merge_contexts_and_delete(struct ast_context **extcontexts, void *tab, const char *registrar);
int localized_context_verify_includes(struct ast_context *con);
void localized_use_conf_dir(void);
void localized_use_local_dir(void);
#ifndef _ASTERISK_PBX_H
/*!
* When looking up extensions, we can have different requests
* identified by the 'action' argument, as follows.
* Note that the coding is such that the low 4 bits are the
* third argument to extension_match_core.
*/
enum ext_match_t {
E_MATCHMORE = 0x00, /* extension can match but only with more 'digits' */
E_CANMATCH = 0x01, /* extension can match with or without more 'digits' */
E_MATCH = 0x02, /* extension is an exact match */
E_MATCH_MASK = 0x03, /* mask for the argument to extension_match_core() */
E_SPAWN = 0x12, /* want to spawn an extension. Requires exact match */
E_FINDLABEL = 0x22 /* returns the priority for a given label. Requires exact match */
};
#define AST_PBX_MAX_STACK 128
/* request and result for pbx_find_extension */
struct pbx_find_info {
#if 0
const char *context;
const char *exten;
int priority;
#endif
char *incstack[AST_PBX_MAX_STACK]; /* filled during the search */
int stacklen; /* modified during the search */
int status; /* set on return */
struct ast_switch *swo; /* set on return */
const char *data; /* set on return */
const char *foundcontext; /* set on return */
};
#define STATUS_NO_CONTEXT 1
#define STATUS_NO_EXTENSION 2
#define STATUS_NO_PRIORITY 3
#define STATUS_NO_LABEL 4
#define STATUS_SUCCESS 5
#endif
struct ast_exten *localized_find_extension(struct ast_context *bypass,
struct pbx_find_info *q,
const char *context,
const char *exten,
int priority,
const char *label,
const char *callerid,
enum ext_match_t action);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* _ASTERISK_PBX_H */