func_extstate.c File Reference

Get the state of a hinted extension for dialplan control. More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/devicestate.h"

Include dependency graph for func_extstate.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static const char *	ast_extstate_str (int state)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	extstate_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 = "Gets an extension's state in the dialplan" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_custom_function	extstate_function

Detailed Description

Get the state of a hinted extension for dialplan control.

Author

Adam Gundy adam@.nosp@m.star.nosp@m.silk..nosp@m.net

Definition in file func_extstate.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 151 of file func_extstate.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 151 of file func_extstate.c.

ast_extstate_str()

static const char * ast_extstate_str ( int  state )

static

Definition at line 67 of file func_extstate.c.

{
    const char *res = "UNKNOWN";
 
    switch (state) {
    case AST_EXTENSION_NOT_INUSE:
        res = "NOT_INUSE";
        break;
    case AST_EXTENSION_INUSE:
        res = "INUSE";
        break;
    case AST_EXTENSION_BUSY:
        res = "BUSY";
        break;
    case AST_EXTENSION_UNAVAILABLE:
        res = "UNAVAILABLE";
        break;
    case AST_EXTENSION_RINGING:
        res = "RINGING";
        break;
    case AST_EXTENSION_INUSE | AST_EXTENSION_RINGING:
        res = "RINGINUSE";
        break;
    case AST_EXTENSION_INUSE | AST_EXTENSION_ONHOLD:
        res = "HOLDINUSE";
        break;
    case AST_EXTENSION_ONHOLD:
        res = "ONHOLD";
        break;
    }
 
    return res;
}

References AST_EXTENSION_BUSY, AST_EXTENSION_INUSE, AST_EXTENSION_NOT_INUSE, AST_EXTENSION_ONHOLD, AST_EXTENSION_RINGING, and AST_EXTENSION_UNAVAILABLE.

Referenced by extstate_read().

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 151 of file func_extstate.c.

extstate_read()

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

static

Definition at line 101 of file func_extstate.c.

{
    char *exten, *context;
 
    if (ast_strlen_zero(data)) {
        ast_log(LOG_WARNING, "EXTENSION_STATE requires an extension\n");
        return -1;
    }
 
    context = exten = data;
    strsep(&context, "@");
    if (ast_strlen_zero(context))
        context = "default";
 
    if (ast_strlen_zero(exten)) {
        ast_log(LOG_WARNING, "EXTENSION_STATE requires an extension\n");
        return -1;
    }
 
    ast_copy_string(buf,
        ast_extstate_str(ast_extension_state(chan, context, exten)), len);
 
    return 0;
}

References ast_copy_string(), ast_extension_state(), ast_extstate_str(), ast_log, ast_strlen_zero(), buf, len(), LOG_WARNING, and strsep().

load_module()

static int load_module ( void  )

static

Definition at line 142 of file func_extstate.c.

{
    int res;
 
    res = ast_custom_function_register(&extstate_function);
 
    return res ? AST_MODULE_LOAD_DECLINE : AST_MODULE_LOAD_SUCCESS;
}

References ast_custom_function_register, AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, and extstate_function.

unload_module()

static int unload_module ( void  )

static

Definition at line 133 of file func_extstate.c.

{
    int res;
 
    res = ast_custom_function_unregister(&extstate_function);
 
    return res;
}

References ast_custom_function_unregister(), and extstate_function.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Gets an extension's state in the dialplan" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }

static

Definition at line 151 of file func_extstate.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 151 of file func_extstate.c.

extstate_function

struct ast_custom_function extstate_function

static

Initial value:

= {
    .name = "EXTENSION_STATE",
    .read = extstate_read,
    .read_max = 12,
}

Definition at line 127 of file func_extstate.c.

                                                      {
    .name = "EXTENSION_STATE",
    .read = extstate_read,
    .read_max = 12,
};

Referenced by load_module(), and unload_module().