pbx_include.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2016, CFWare, LLC
 *
 * Corey Farrell <git@cfware.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 Dialplan context include routines.
 *
 * \author Corey Farrell <git@cfware.com>
 */
 
/*** MODULEINFO
    <support_level>core</support_level>
 ***/
 
#include "asterisk.h"
 
#include "asterisk/_private.h"
#include "asterisk/pbx.h"
#include "pbx_private.h"
 
/*! ast_include: include= support in extensions.conf */
struct ast_include {
    const char *name;
    /*! Context to include */
    const char *rname;
    /*! Registrar */
    const char *registrar;
    /*! If time construct exists */
    int hastime;
    /*! time construct */
    struct ast_timing timing;
    char stuff[0];
};
 
const char *ast_get_include_name(const struct ast_include *inc)
{
    return inc ? inc->name : NULL;
}
 
const char *include_rname(const struct ast_include *inc)
{
    return inc ? inc->rname : NULL;
}
 
const char *ast_get_include_registrar(const struct ast_include *inc)
{
    return inc ? inc->registrar : NULL;
}
 
int include_valid(const struct ast_include *inc)
{
    if (!inc->hastime) {
        return 1;
    }
 
    return ast_check_timing(&(inc->timing));
}
 
struct ast_include *include_alloc(const char *value, const char *registrar)
{
    struct ast_include *new_include;
    char *c;
    int valuebufsz = strlen(value) + 1;
    char *p;
 
    /* allocate new include structure ... */
    new_include = ast_calloc(1, sizeof(*new_include) + (valuebufsz * 2));
    if (!new_include) {
        return NULL;
    }
 
    /* Fill in this structure. Use 'p' for assignments, as the fields
     * in the structure are 'const char *'
     */
    p = new_include->stuff;
    new_include->name = p;
    strcpy(p, value);
    p += valuebufsz;
    new_include->rname = p;
    strcpy(p, value);
    /* Strip off timing info, and process if it is there */
    if ( (c = strchr(p, '|')) || (c = strchr(p, ',')) ) {
        *c++ = '\0';
        new_include->hastime = ast_build_timing(&(new_include->timing), c);
    }
    new_include->registrar = registrar;
 
    return new_include;
}
 
void include_free(struct ast_include *inc)
{
    ast_destroy_timing(&(inc->timing));
    ast_free(inc);
}