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925 lines
31 KiB
C
925 lines
31 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2006, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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* \brief Core PBX routines and definitions.
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*/
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#ifndef _ASTERISK_PBX_H
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#define _ASTERISK_PBX_H
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#include "asterisk/sched.h"
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#include "asterisk/channel.h"
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#include "asterisk/linkedlists.h"
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#include "asterisk/devicestate.h"
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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#define AST_MAX_APP 32 /*!< Max length of an application */
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#define AST_PBX_KEEP 0
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#define AST_PBX_REPLACE 1
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/*! \brief Special return values from applications to the PBX { */
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#define AST_PBX_KEEPALIVE 10 /*!< Destroy the thread, but don't hang up the channel */
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/*! } */
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#define PRIORITY_HINT -1 /*!< Special Priority for a hint */
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/*! \brief Extension states */
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enum ast_extension_states {
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AST_EXTENSION_REMOVED = -2, /*!< Extension removed */
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AST_EXTENSION_DEACTIVATED = -1, /*!< Extension hint removed */
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AST_EXTENSION_NOT_INUSE = 0, /*!< No device INUSE or BUSY */
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AST_EXTENSION_INUSE = 1 << 0, /*!< One or more devices INUSE */
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AST_EXTENSION_BUSY = 1 << 1, /*!< All devices BUSY */
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AST_EXTENSION_UNAVAILABLE = 1 << 2, /*!< All devices UNAVAILABLE/UNREGISTERED */
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AST_EXTENSION_RINGING = 1 << 3, /*!< All devices RINGING */
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AST_EXTENSION_ONHOLD = 1 << 4, /*!< All devices ONHOLD */
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};
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struct ast_context;
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struct ast_exten;
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struct ast_include;
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struct ast_ignorepat;
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struct ast_sw;
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/*! \brief Typedef for devicestate and hint callbacks */
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typedef int (*ast_state_cb_type)(char *context, char* id, enum ast_extension_states state, void *data);
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/*! \brief Data structure associated with a custom dialplan function */
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struct ast_custom_function {
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const char *name; /*!< Name */
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const char *synopsis; /*!< Short description for "show functions" */
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const char *desc; /*!< Help text that explains it all */
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const char *syntax; /*!< Syntax description */
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int (*read)(struct ast_channel *, char *, char *, char *, size_t); /*!< Read function, if read is supported */
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int (*write)(struct ast_channel *, char *, char *, const char *); /*!< Write function, if write is supported */
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AST_LIST_ENTRY(ast_custom_function) acflist;
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};
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/*! \brief All switch functions have the same interface, so define a type for them */
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typedef int (ast_switch_f)(struct ast_channel *chan, const char *context,
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const char *exten, int priority, const char *callerid, const char *data);
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/*!< Data structure associated with an Asterisk switch */
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struct ast_switch {
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AST_LIST_ENTRY(ast_switch) list;
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const char *name; /*!< Name of the switch */
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const char *description; /*!< Description of the switch */
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ast_switch_f *exists;
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ast_switch_f *canmatch;
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ast_switch_f *exec;
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ast_switch_f *matchmore;
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};
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struct ast_timing {
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int hastime; /*!< If time construct exists */
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unsigned int monthmask; /*!< Mask for month */
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unsigned int daymask; /*!< Mask for date */
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unsigned int dowmask; /*!< Mask for day of week (mon-sun) */
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unsigned int minmask[24]; /*!< Mask for minute */
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};
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int ast_build_timing(struct ast_timing *i, const char *info);
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int ast_check_timing(const struct ast_timing *i);
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struct ast_pbx {
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int dtimeout; /*!< Timeout between digits (seconds) */
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int rtimeout; /*!< Timeout for response (seconds) */
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};
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/*!
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* \brief Register an alternative dialplan switch
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*
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* \param sw switch to register
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*
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* This function registers a populated ast_switch structure with the
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* asterisk switching architecture.
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*
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* \return 0 on success, and other than 0 on failure
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*/
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int ast_register_switch(struct ast_switch *sw);
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/*!
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* \brief Unregister an alternative switch
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*
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* \param sw switch to unregister
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*
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* Unregisters a switch from asterisk.
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*
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* \return nothing
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*/
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void ast_unregister_switch(struct ast_switch *sw);
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/*!
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* \brief Look up an application
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*
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* \param app name of the app
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*
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* This function searches for the ast_app structure within
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* the apps that are registered for the one with the name
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* you passed in.
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*
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* \return the ast_app structure that matches on success, or NULL on failure
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*/
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struct ast_app *pbx_findapp(const char *app);
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/*!
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* \brief Execute an application
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*
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* \param c channel to execute on
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* \param app which app to execute
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* \param data the data passed into the app
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*
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* This application executes an application on a given channel. It
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* saves the stack and executes the given appliation passing in
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* the given data.
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*
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* \return 0 on success, and -1 on failure
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*/
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int pbx_exec(struct ast_channel *c, struct ast_app *app, void *data);
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/*!
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* \brief Register a new context
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*
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* \param extcontexts pointer to the ast_context structure pointer
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* \param name name of the new context
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* \param registrar registrar of the context
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*
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* This will first search for a context with your name. If it exists already, it will not
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* create a new one. If it does not exist, it will create a new one with the given name
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* and registrar.
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*
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* \return NULL on failure, and an ast_context structure on success
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*/
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struct ast_context *ast_context_create(struct ast_context **extcontexts, const char *name, const char *registrar);
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struct ast_context *ast_context_find_or_create(struct ast_context **extcontexts, const char *name, const char *registrar);
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/*!
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* \brief Merge the temporary contexts into a global contexts list and delete from the
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* global list the ones that are being added
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*
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* \param extcontexts pointer to the ast_context structure pointer
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* \param registrar of the context; if it's set the routine will delete all contexts
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* that belong to that registrar; if NULL only the contexts that are specified
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* in extcontexts
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*/
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void ast_merge_contexts_and_delete(struct ast_context **extcontexts, const char *registrar);
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/*!
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* \brief Destroy a context (matches the specified context (or ANY context if NULL)
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*
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* \param con context to destroy
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* \param registrar who registered it
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*
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* You can optionally leave out either parameter. It will find it
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* based on either the ast_context or the registrar name.
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*
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* \return nothing
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*/
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void ast_context_destroy(struct ast_context *con, const char *registrar);
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/*!
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* \brief Find a context
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*
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* \param name name of the context to find
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*
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* Will search for the context with the given name.
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*
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* \return the ast_context on success, NULL on failure.
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*/
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struct ast_context *ast_context_find(const char *name);
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enum ast_pbx_result {
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AST_PBX_SUCCESS = 0,
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AST_PBX_FAILED = -1,
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AST_PBX_CALL_LIMIT = -2,
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};
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/*!
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* \brief Create a new thread and start the PBX
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*
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* \param c channel to start the pbx on
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*
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* See ast_pbx_run for a synchronous function to run the PBX in the
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* current thread, as opposed to starting a new one.
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*
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* \return Zero on success, non-zero on failure
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*/
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enum ast_pbx_result ast_pbx_start(struct ast_channel *c);
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/*!
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* \brief Execute the PBX in the current thread
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*
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* \param c channel to run the pbx on
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*
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* This executes the PBX on a given channel. It allocates a new
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* PBX structure for the channel, and provides all PBX functionality.
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* See ast_pbx_start for an asynchronous function to run the PBX in a
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* new thread as opposed to the current one.
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*
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* \return Zero on success, non-zero on failure
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*/
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enum ast_pbx_result ast_pbx_run(struct ast_channel *c);
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/*!
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* \brief Add and extension to an extension context.
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*
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* \param context context to add the extension to
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* \param replace
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* \param extension extension to add
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* \param priority priority level of extension addition
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* \param label extension label
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* \param callerid pattern to match CallerID, or NULL to match any CallerID
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* \param application application to run on the extension with that priority level
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* \param data data to pass to the application
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* \param datad
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* \param registrar who registered the extension
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int ast_add_extension(const char *context, int replace, const char *extension,
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int priority, const char *label, const char *callerid,
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const char *application, void *data, void (*datad)(void *), const char *registrar);
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/*!
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* \brief Add an extension to an extension context, this time with an ast_context *.
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*
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* \note For details about the arguments, check ast_add_extension()
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*/
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int ast_add_extension2(struct ast_context *con, int replace, const char *extension,
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int priority, const char *label, const char *callerid,
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const char *application, void *data, void (*datad)(void *), const char *registrar);
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/*!
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* \brief Map devstate to an extension state.
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*
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* \param[in] device state
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*
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* \return the extension state mapping.
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*/
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enum ast_extension_states ast_devstate_to_extenstate(enum ast_device_state devstate);
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/*!
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* \brief Register an application.
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*
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* \param app Short name of the application
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* \param execute a function callback to execute the application. It should return
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* non-zero if the channel needs to be hung up.
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* \param synopsis a short description (one line synopsis) of the application
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* \param description long description with all of the details about the use of
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* the application
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*
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* This registers an application with Asterisk's internal application list.
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* \note The individual applications themselves are responsible for registering and unregistering
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* and unregistering their own CLI commands.
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*
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* \retval 0 success
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* \retval -1 failure.
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*/
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int ast_register_application(const char *app, int (*execute)(struct ast_channel *, void *),
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const char *synopsis, const char *description);
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/*!
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* \brief Unregister an application
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*
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* \param app name of the application (does not have to be the same string as the one that was registered)
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*
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* This unregisters an application from Asterisk's internal application list.
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int ast_unregister_application(const char *app);
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/*!
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* \brief Uses hint and devicestate callback to get the state of an extension
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*
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* \param c this is not important
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* \param context which context to look in
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* \param exten which extension to get state
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*
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* \return extension state as defined in the ast_extension_states enum
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*/
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int ast_extension_state(struct ast_channel *c, const char *context, const char *exten);
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/*!
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* \brief Return string representation of the state of an extension
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*
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* \param extension_state is the numerical state delivered by ast_extension_state
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*
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* \return the state of an extension as string
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*/
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const char *ast_extension_state2str(int extension_state);
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/*!
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* \brief Registers a state change callback
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*
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* \param context which context to look in
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* \param exten which extension to get state
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* \param callback callback to call if state changed
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* \param data to pass to callback
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*
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* The callback is called if the state of an extension is changed.
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*
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* \retval -1 on failure
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* \retval ID on success
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*/
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int ast_extension_state_add(const char *context, const char *exten,
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ast_state_cb_type callback, void *data);
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/*!
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* \brief Deletes a registered state change callback by ID
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*
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* \param id of the callback to delete
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* \param callback callback
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*
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* Removes the callback from list of callbacks
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int ast_extension_state_del(int id, ast_state_cb_type callback);
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/*!
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* \brief If an extension exists, return non-zero
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*
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* \param hint buffer for hint
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* \param maxlen size of hint buffer
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* \param name buffer for name portion of hint
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* \param maxnamelen size of name buffer
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* \param c this is not important
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* \param context which context to look in
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* \param exten which extension to search for
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*
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* \return If an extension within the given context with the priority PRIORITY_HINT
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* is found a non zero value will be returned.
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* Otherwise, 0 is returned.
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*/
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int ast_get_hint(char *hint, int maxlen, char *name, int maxnamelen,
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struct ast_channel *c, const char *context, const char *exten);
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/*!
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* \brief Determine whether an extension exists
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*
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* \param c this is not important
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* \param context which context to look in
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* \param exten which extension to search for
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* \param priority priority of the action within the extension
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* \param callerid callerid to search for
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*
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* \note It is possible for autoservice to be started and stopped on c during this
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* function call, it is important that c is not locked prior to calling this. Otherwise
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* a deadlock may occur
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*
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* \return If an extension within the given context(or callerid) with the given priority
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* is found a non zero value will be returned. Otherwise, 0 is returned.
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*/
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int ast_exists_extension(struct ast_channel *c, const char *context, const char *exten,
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int priority, const char *callerid);
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/*!
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* \brief Find the priority of an extension that has the specified label
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*
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* \param c this is not important
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* \param context which context to look in
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* \param exten which extension to search for
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* \param label label of the action within the extension to match to priority
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* \param callerid callerid to search for
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*
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* \note It is possible for autoservice to be started and stopped on c during this
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* function call, it is important that c is not locked prior to calling this. Otherwise
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* a deadlock may occur
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*
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* \return the priority which matches the given label in the extension or -1 if not found.
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*/
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int ast_findlabel_extension(struct ast_channel *c, const char *context,
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const char *exten, const char *label, const char *callerid);
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/*!
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* \brief Find the priority of an extension that has the specified label
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*
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* \note It is possible for autoservice to be started and stopped on c during this
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* function call, it is important that c is not locked prior to calling this. Otherwise
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* a deadlock may occur
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*
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* \note This function is the same as ast_findlabel_extension, except that it accepts
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* a pointer to an ast_context structure to specify the context instead of the
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* name of the context. Otherwise, the functions behave the same.
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*/
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int ast_findlabel_extension2(struct ast_channel *c, struct ast_context *con,
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const char *exten, const char *label, const char *callerid);
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/*!
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* \brief Looks for a valid matching extension
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*
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* \param c not really important
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* \param context context to serach within
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* \param exten extension to check
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* \param priority priority of extension path
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* \param callerid callerid of extension being searched for
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*
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* \note It is possible for autoservice to be started and stopped on c during this
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* function call, it is important that c is not locked prior to calling this. Otherwise
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* a deadlock may occur
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*
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* \return If "exten" *could be* a valid extension in this context with or without
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* some more digits, return non-zero. Basically, when this returns 0, no matter
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* what you add to exten, it's not going to be a valid extension anymore
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*/
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int ast_canmatch_extension(struct ast_channel *c, const char *context,
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const char *exten, int priority, const char *callerid);
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/*!
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* \brief Looks to see if adding anything to this extension might match something. (exists ^ canmatch)
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*
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* \param c not really important XXX
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* \param context context to serach within
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* \param exten extension to check
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* \param priority priority of extension path
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* \param callerid callerid of extension being searched for
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*
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* \note It is possible for autoservice to be started and stopped on c during this
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* function call, it is important that c is not locked prior to calling this. Otherwise
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* a deadlock may occur
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*
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* \return If "exten" *could match* a valid extension in this context with
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* some more digits, return non-zero. Does NOT return non-zero if this is
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* an exact-match only. Basically, when this returns 0, no matter
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* what you add to exten, it's not going to be a valid extension anymore
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*/
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int ast_matchmore_extension(struct ast_channel *c, const char *context,
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const char *exten, int priority, const char *callerid);
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/*!
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* \brief Determine if a given extension matches a given pattern (in NXX format)
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*
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* \param pattern pattern to match
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* \param extension extension to check against the pattern.
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*
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* Checks whether or not the given extension matches the given pattern.
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*
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* \retval 1 on match
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* \retval 0 on failure
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*/
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int ast_extension_match(const char *pattern, const char *extension);
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int ast_extension_close(const char *pattern, const char *data, int needmore);
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/*!
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* \brief Launch a new extension (i.e. new stack)
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*
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* \param c not important
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* \param context which context to generate the extension within
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* \param exten new extension to add
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* \param priority priority of new extension
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* \param callerid callerid of extension
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*
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* This adds a new extension to the asterisk extension list.
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*
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* \note It is possible for autoservice to be started and stopped on c during this
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* function call, it is important that c is not locked prior to calling this. Otherwise
|
|
* a deadlock may occur
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure.
|
|
*/
|
|
int ast_spawn_extension(struct ast_channel *c, const char *context,
|
|
const char *exten, int priority, const char *callerid);
|
|
|
|
/*!
|
|
* \brief Add a context include
|
|
*
|
|
* \param context context to add include to
|
|
* \param include new include to add
|
|
* \param registrar who's registering it
|
|
*
|
|
* Adds an include taking a char * string as the context parameter
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on error
|
|
*/
|
|
int ast_context_add_include(const char *context, const char *include,
|
|
const char *registrar);
|
|
|
|
/*!
|
|
* \brief Add a context include
|
|
*
|
|
* \param con context to add the include to
|
|
* \param include include to add
|
|
* \param registrar who registered the context
|
|
*
|
|
* Adds an include taking a struct ast_context as the first parameter
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_add_include2(struct ast_context *con, const char *include,
|
|
const char *registrar);
|
|
|
|
/*!
|
|
* \brief Remove a context include
|
|
*
|
|
* \note See ast_context_add_include for information on arguments
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_remove_include(const char *context, const char *include,
|
|
const char *registrar);
|
|
|
|
/*!
|
|
* \brief Removes an include by an ast_context structure
|
|
*
|
|
* \note See ast_context_add_include2 for information on arguments
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on success
|
|
*/
|
|
int ast_context_remove_include2(struct ast_context *con, const char *include,
|
|
const char *registrar);
|
|
|
|
/*!
|
|
* \brief Verifies includes in an ast_contect structure
|
|
*
|
|
* \param con context in which to verify the includes
|
|
*
|
|
* \retval 0 if no problems found
|
|
* \retval -1 if there were any missing context
|
|
*/
|
|
int ast_context_verify_includes(struct ast_context *con);
|
|
|
|
/*!
|
|
* \brief Add a switch
|
|
*
|
|
* \param context context to which to add the switch
|
|
* \param sw switch to add
|
|
* \param data data to pass to switch
|
|
* \param eval whether to evaluate variables when running switch
|
|
* \param registrar whoever registered the switch
|
|
*
|
|
* This function registers a switch with the asterisk switch architecture
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_add_switch(const char *context, const char *sw, const char *data,
|
|
int eval, const char *registrar);
|
|
|
|
/*!
|
|
* \brief Adds a switch (first param is a ast_context)
|
|
*
|
|
* \note See ast_context_add_switch() for argument information, with the exception of
|
|
* the first argument. In this case, it's a pointer to an ast_context structure
|
|
* as opposed to the name.
|
|
*/
|
|
int ast_context_add_switch2(struct ast_context *con, const char *sw, const char *data,
|
|
int eval, const char *registrar);
|
|
|
|
/*!
|
|
* \brief Remove a switch
|
|
*
|
|
* Removes a switch with the given parameters
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_remove_switch(const char *context, const char *sw,
|
|
const char *data, const char *registrar);
|
|
|
|
int ast_context_remove_switch2(struct ast_context *con, const char *sw,
|
|
const char *data, const char *registrar);
|
|
|
|
/*!
|
|
* \brief Simply remove extension from context
|
|
*
|
|
* \param context context to remove extension from
|
|
* \param extension which extension to remove
|
|
* \param priority priority of extension to remove (0 to remove all)
|
|
* \param callerid NULL to remove all; non-NULL to match a single record per priority
|
|
* \param matchcid non-zero to match callerid element (if non-NULL); 0 to match default case
|
|
* \param registrar registrar of the extension
|
|
*
|
|
* This function removes an extension from a given context.
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_remove_extension(const char *context, const char *extension, int priority,
|
|
const char *registrar);
|
|
|
|
int ast_context_remove_extension2(struct ast_context *con, const char *extension,
|
|
int priority, const char *registrar);
|
|
|
|
int ast_context_remove_extension_callerid(const char *context, const char *extension,
|
|
int priority, const char *callerid, int matchcid, const char *registrar);
|
|
|
|
int ast_context_remove_extension_callerid2(struct ast_context *con, const char *extension,
|
|
int priority, const char *callerid, int matchcid, const char *registrar);
|
|
|
|
/*!
|
|
* \brief Add an ignorepat
|
|
*
|
|
* \param context which context to add the ignorpattern to
|
|
* \param ignorepat ignorepattern to set up for the extension
|
|
* \param registrar registrar of the ignore pattern
|
|
*
|
|
* Adds an ignore pattern to a particular context.
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_add_ignorepat(const char *context, const char *ignorepat, const char *registrar);
|
|
|
|
int ast_context_add_ignorepat2(struct ast_context *con, const char *ignorepat, const char *registrar);
|
|
|
|
/*
|
|
* \brief Remove an ignorepat
|
|
*
|
|
* \param context context from which to remove the pattern
|
|
* \param ignorepat the pattern to remove
|
|
* \param registrar the registrar of the ignore pattern
|
|
*
|
|
* This removes the given ignorepattern
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_remove_ignorepat(const char *context, const char *ignorepat, const char *registrar);
|
|
|
|
int ast_context_remove_ignorepat2(struct ast_context *con, const char *ignorepat, const char *registrar);
|
|
|
|
/*!
|
|
* \brief Checks to see if a number should be ignored
|
|
*
|
|
* \param context context to search within
|
|
* \param pattern to check whether it should be ignored or not
|
|
*
|
|
* Check if a number should be ignored with respect to dialtone cancellation.
|
|
*
|
|
* \retval 0 if the pattern should not be ignored
|
|
* \retval non-zero if the pattern should be ignored
|
|
*/
|
|
int ast_ignore_pattern(const char *context, const char *pattern);
|
|
|
|
/* Locking functions for outer modules, especially for completion functions */
|
|
|
|
/*!
|
|
* \brief Locks the context list
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on error
|
|
*/
|
|
int ast_lock_contexts(void); /* equivalent to wrlock */
|
|
int ast_rdlock_contexts(void);
|
|
int ast_wrlock_contexts(void);
|
|
|
|
/*!
|
|
* \brief Unlocks contexts
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_unlock_contexts(void);
|
|
|
|
/*!
|
|
* \brief Locks a given context
|
|
*
|
|
* \param con context to lock
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_lock_context(struct ast_context *con);
|
|
|
|
/*!
|
|
* \retval Unlocks the given context
|
|
*
|
|
* \param con context to unlock
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_unlock_context(struct ast_context *con);
|
|
|
|
/*!
|
|
* \brief locks the macrolock in the given given context
|
|
*
|
|
* \param macrocontext name of the macro-context to lock
|
|
*
|
|
* Locks the given macro-context to ensure only one thread (call) can execute it at a time
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_lockmacro(const char *macrocontext);
|
|
|
|
/*!
|
|
* \brief Unlocks the macrolock in the given context
|
|
*
|
|
* \param macrocontext name of the macro-context to unlock
|
|
*
|
|
* Unlocks the given macro-context so that another thread (call) can execute it
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -1 on failure
|
|
*/
|
|
int ast_context_unlockmacro(const char *macrocontext);
|
|
|
|
int ast_async_goto(struct ast_channel *chan, const char *context, const char *exten, int priority);
|
|
|
|
int ast_async_goto_by_name(const char *chan, const char *context, const char *exten, int priority);
|
|
|
|
/*! Synchronously or asynchronously make an outbound call and send it to a
|
|
particular extension */
|
|
int ast_pbx_outgoing_exten(const char *type, int format, void *data, int timeout, const char *context, const char *exten, int priority, int *reason, int sync, const char *cid_num, const char *cid_name, struct ast_variable *vars, const char *account, struct ast_channel **locked_channel);
|
|
|
|
/*! Synchronously or asynchronously make an outbound call and send it to a
|
|
particular application with given extension */
|
|
int ast_pbx_outgoing_app(const char *type, int format, void *data, int timeout, const char *app, const char *appdata, int *reason, int sync, const char *cid_num, const char *cid_name, struct ast_variable *vars, const char *account, struct ast_channel **locked_channel);
|
|
|
|
/*!
|
|
* \brief Evaluate a condition
|
|
*
|
|
* \retval 0 if the condition is NULL or of zero length
|
|
* \retval int If the string is an integer, the integer representation of
|
|
* the integer is returned
|
|
* \retval 1 Any other non-empty string
|
|
*/
|
|
int pbx_checkcondition(const char *condition);
|
|
|
|
/* Functions for returning values from structures */
|
|
const char *ast_get_context_name(struct ast_context *con);
|
|
const char *ast_get_extension_name(struct ast_exten *exten);
|
|
struct ast_context *ast_get_extension_context(struct ast_exten *exten);
|
|
const char *ast_get_include_name(struct ast_include *include);
|
|
const char *ast_get_ignorepat_name(struct ast_ignorepat *ip);
|
|
const char *ast_get_switch_name(struct ast_sw *sw);
|
|
const char *ast_get_switch_data(struct ast_sw *sw);
|
|
|
|
/* Other extension stuff */
|
|
int ast_get_extension_priority(struct ast_exten *exten);
|
|
int ast_get_extension_matchcid(struct ast_exten *e);
|
|
const char *ast_get_extension_cidmatch(struct ast_exten *e);
|
|
const char *ast_get_extension_app(struct ast_exten *e);
|
|
const char *ast_get_extension_label(struct ast_exten *e);
|
|
void *ast_get_extension_app_data(struct ast_exten *e);
|
|
|
|
/* Registrar info functions ... */
|
|
const char *ast_get_context_registrar(struct ast_context *c);
|
|
const char *ast_get_extension_registrar(struct ast_exten *e);
|
|
const char *ast_get_include_registrar(struct ast_include *i);
|
|
const char *ast_get_ignorepat_registrar(struct ast_ignorepat *ip);
|
|
const char *ast_get_switch_registrar(struct ast_sw *sw);
|
|
|
|
/* Walking functions ... */
|
|
struct ast_context *ast_walk_contexts(struct ast_context *con);
|
|
struct ast_exten *ast_walk_context_extensions(struct ast_context *con,
|
|
struct ast_exten *priority);
|
|
struct ast_exten *ast_walk_extension_priorities(struct ast_exten *exten,
|
|
struct ast_exten *priority);
|
|
struct ast_include *ast_walk_context_includes(struct ast_context *con,
|
|
struct ast_include *inc);
|
|
struct ast_ignorepat *ast_walk_context_ignorepats(struct ast_context *con,
|
|
struct ast_ignorepat *ip);
|
|
struct ast_sw *ast_walk_context_switches(struct ast_context *con, struct ast_sw *sw);
|
|
|
|
/*!
|
|
* \note Will lock the channel.
|
|
*/
|
|
int pbx_builtin_serialize_variables(struct ast_channel *chan, char *buf, size_t size);
|
|
|
|
/*!
|
|
* \note Will lock the channel.
|
|
*/
|
|
const char *pbx_builtin_getvar_helper(struct ast_channel *chan, const char *name);
|
|
|
|
/*!
|
|
* \note Will lock the channel.
|
|
*/
|
|
void pbx_builtin_pushvar_helper(struct ast_channel *chan, const char *name, const char *value);
|
|
|
|
/*!
|
|
* \note Will lock the channel.
|
|
*/
|
|
void pbx_builtin_setvar_helper(struct ast_channel *chan, const char *name, const char *value);
|
|
|
|
/*!
|
|
* \note Will lock the channel.
|
|
*/
|
|
void pbx_retrieve_variable(struct ast_channel *c, const char *var, char **ret, char *workspace, int workspacelen, struct varshead *headp);
|
|
void pbx_builtin_clear_globals(void);
|
|
|
|
/*!
|
|
* \note Will lock the channel.
|
|
*/
|
|
int pbx_builtin_setvar(struct ast_channel *chan, void *data);
|
|
|
|
void pbx_substitute_variables_helper(struct ast_channel *c,const char *cp1,char *cp2,int count);
|
|
void pbx_substitute_variables_varshead(struct varshead *headp, const char *cp1, char *cp2, int count);
|
|
|
|
int ast_extension_patmatch(const char *pattern, const char *data);
|
|
|
|
/*! Set "autofallthrough" flag, if newval is <0, does not acutally set. If
|
|
set to 1, sets to auto fall through. If newval set to 0, sets to no auto
|
|
fall through (reads extension instead). Returns previous value. */
|
|
int pbx_set_autofallthrough(int newval);
|
|
|
|
/*!
|
|
* \note This function will handle locking the channel as needed.
|
|
*/
|
|
int ast_goto_if_exists(struct ast_channel *chan, const char *context, const char *exten, int priority);
|
|
|
|
/*!
|
|
* \note I can find neither parsable nor parseable at dictionary.com,
|
|
* but google gives me 169000 hits for parseable and only 49,800
|
|
* for parsable
|
|
*
|
|
* \note This function will handle locking the channel as needed.
|
|
*/
|
|
int ast_parseable_goto(struct ast_channel *chan, const char *goto_string);
|
|
|
|
/*!
|
|
* \note This function will handle locking the channel as needed.
|
|
*/
|
|
int ast_explicit_goto(struct ast_channel *chan, const char *context, const char *exten, int priority);
|
|
|
|
/*!
|
|
* \note This function will handle locking the channel as needed.
|
|
*/
|
|
int ast_async_goto_if_exists(struct ast_channel *chan, const char *context, const char *exten, int priority);
|
|
|
|
struct ast_custom_function* ast_custom_function_find(const char *name);
|
|
|
|
/*!
|
|
* \brief Unregister a custom function
|
|
*/
|
|
int ast_custom_function_unregister(struct ast_custom_function *acf);
|
|
|
|
/*!
|
|
* \brief Reigster a custom function
|
|
*/
|
|
int ast_custom_function_register(struct ast_custom_function *acf);
|
|
|
|
/*!
|
|
* \brief Retrieve the number of active calls
|
|
*/
|
|
int ast_active_calls(void);
|
|
|
|
/*!
|
|
* \brief executes a read operation on a function
|
|
*
|
|
* \param chan Channel to execute on
|
|
* \param function Data containing the function call string (will be modified)
|
|
* \param workspace A pointer to safe memory to use for a return value
|
|
* \param len the number of bytes in workspace
|
|
*
|
|
* This application executes a function in read mode on a given channel.
|
|
*
|
|
* \return zero on success, non-zero on failure
|
|
*/
|
|
int ast_func_read(struct ast_channel *chan, char *function, char *workspace, size_t len);
|
|
|
|
/*!
|
|
* \brief executes a write operation on a function
|
|
*
|
|
* \param chan Channel to execute on
|
|
* \param function Data containing the function call string (will be modified)
|
|
* \param value A value parameter to pass for writing
|
|
*
|
|
* This application executes a function in write mode on a given channel.
|
|
*
|
|
* \return zero on success, non-zero on failure
|
|
*/
|
|
int ast_func_write(struct ast_channel *chan, char *function, const char *value);
|
|
|
|
void ast_hint_state_changed(const char *device);
|
|
|
|
#if defined(__cplusplus) || defined(c_plusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASTERISK_PBX_H */
|