func_dialplan.c File Reference

Dialplan group functions check if a dialplan entry exists. More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/app.h"

Include dependency graph for func_dialplan.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	isexten_function_read (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int	load_module (void)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Dialplan Context/Extension/Priority Checking Functions" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_custom_function	isexten_function

Detailed Description

Dialplan group functions check if a dialplan entry exists.

Author

Gregory Nietsky AKA irroot grego.nosp@m.ry@n.nosp@m.etwor.nosp@m.ksen.nosp@m.try.c.nosp@m.o.za

Russell Bryant russe.nosp@m.ll@d.nosp@m.igium.nosp@m..com

Definition in file func_dialplan.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 133 of file func_dialplan.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 133 of file func_dialplan.c.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 133 of file func_dialplan.c.

isexten_function_read()

static int isexten_function_read ( struct ast_channel *  chan, const char *  cmd, char *  data, char *  buf, size_t  len  )

static

Definition at line 57 of file func_dialplan.c.

{
    char *parse;
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(context);
        AST_APP_ARG(exten);
        AST_APP_ARG(priority);
    );
 
    strcpy(buf, "0");
 
    if (ast_strlen_zero(data)) {
        ast_log(LOG_ERROR, "DIALPLAN_EXISTS() requires an argument\n");
        return -1;
    }
 
    parse = ast_strdupa(data);
    AST_STANDARD_APP_ARGS(args, parse);
 
    if (!ast_strlen_zero(args.priority)) {
        int priority_num;
        if (sscanf(args.priority, "%30d", &priority_num) == 1 && priority_num > 0) {
            int res;
            res = ast_exists_extension(chan, args.context, args.exten, priority_num,
                !chan ? NULL :
                S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
            if (res)
                strcpy(buf, "1");
        } else {
            int res;
            res = ast_findlabel_extension(chan, args.context, args.exten, args.priority,
                !chan ? NULL :
                S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
            if (res > 0)
                strcpy(buf, "1");
        }
    } else if (!ast_strlen_zero(args.exten)) {
        int res;
        res = ast_exists_extension(chan, args.context, args.exten, 1,
            !chan ? NULL :
            S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
        if (res)
            strcpy(buf, "1");
    } else if (!ast_strlen_zero(args.context)) {
        if (ast_context_find(args.context))
            strcpy(buf, "1");
    } else {
        ast_log(LOG_ERROR, "Invalid arguments provided to DIALPLAN_EXISTS\n");
        return -1;
    }
 
    return 0;
}

References args, AST_APP_ARG, ast_channel_caller(), ast_context_find(), AST_DECLARE_APP_ARGS, ast_exists_extension(), ast_findlabel_extension(), ast_log, AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), buf, ast_channel::context, LOG_ERROR, NULL, priority, and S_COR.

load_module()

static int load_module ( void  )

static

Definition at line 123 of file func_dialplan.c.

{
    return ast_custom_function_register(&isexten_function);
}

References ast_custom_function_register, and isexten_function.

unload_module()

static int unload_module ( void  )

static

Definition at line 118 of file func_dialplan.c.

{
    return ast_custom_function_unregister(&isexten_function);
}

References ast_custom_function_unregister(), and isexten_function.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Dialplan Context/Extension/Priority Checking Functions" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, }

static

Definition at line 133 of file func_dialplan.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 133 of file func_dialplan.c.

isexten_function

struct ast_custom_function isexten_function

static

Initial value:

= {
    .name = "DIALPLAN_EXISTS",
    .read = isexten_function_read,
    .read_max = 2,
}

Definition at line 112 of file func_dialplan.c.

                                                     {
    .name = "DIALPLAN_EXISTS",
    .read = isexten_function_read,
    .read_max = 2,
};

Referenced by load_module(), and unload_module().