Asterisk - The Open Source Telephony Project GIT-master-0deac78
Functions | Variables
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_moduleAST_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 = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .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_infoast_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.

59{
60 char *parse;
63 AST_APP_ARG(exten);
65 );
66
67 strcpy(buf, "0");
68
69 if (ast_strlen_zero(data)) {
70 ast_log(LOG_ERROR, "DIALPLAN_EXISTS() requires an argument\n");
71 return -1;
72 }
73
74 parse = ast_strdupa(data);
76
77 if (!ast_strlen_zero(args.priority)) {
78 int priority_num;
79 if (sscanf(args.priority, "%30d", &priority_num) == 1 && priority_num > 0) {
80 int res;
81 res = ast_exists_extension(chan, args.context, args.exten, priority_num,
82 !chan ? NULL :
83 S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
84 if (res)
85 strcpy(buf, "1");
86 } else {
87 int res;
88 res = ast_findlabel_extension(chan, args.context, args.exten, args.priority,
89 !chan ? NULL :
90 S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
91 if (res > 0)
92 strcpy(buf, "1");
93 }
94 } else if (!ast_strlen_zero(args.exten)) {
95 int res;
96 res = ast_exists_extension(chan, args.context, args.exten, 1,
97 !chan ? NULL :
98 S_COR(ast_channel_caller(chan)->id.number.valid, ast_channel_caller(chan)->id.number.str, NULL));
99 if (res)
100 strcpy(buf, "1");
101 } else if (!ast_strlen_zero(args.context)) {
102 if (ast_context_find(args.context))
103 strcpy(buf, "1");
104 } else {
105 ast_log(LOG_ERROR, "Invalid arguments provided to DIALPLAN_EXISTS\n");
106 return -1;
107 }
108
109 return 0;
110}
#define ast_strdupa(s)
duplicate a string in memory from the stack
Definition: astmm.h:298
#define ast_log
Definition: astobj2.c:42
static int priority
struct ast_party_caller * ast_channel_caller(struct ast_channel *chan)
char buf[BUFSIZE]
Definition: eagi_proxy.c:66
#define AST_APP_ARG(name)
Define an application argument.
#define AST_DECLARE_APP_ARGS(name, arglist)
Declare a structure to hold an application's arguments.
#define AST_STANDARD_APP_ARGS(args, parse)
Performs the 'standard' argument separation process for an application.
#define LOG_ERROR
int ast_findlabel_extension(struct ast_channel *c, const char *context, const char *exten, const char *label, const char *callerid)
Find the priority of an extension that has the specified label.
Definition: pbx.c:4201
struct ast_context * ast_context_find(const char *name)
Find a context.
Definition: extconf.c:4170
int ast_exists_extension(struct ast_channel *c, const char *context, const char *exten, int priority, const char *callerid)
Determine whether an extension exists.
Definition: pbx.c:4196
#define NULL
Definition: resample.c:96
#define S_COR(a, b, c)
returns the equivalent of logic or for strings, with an additional boolean check: second one if not e...
Definition: strings.h:87
static force_inline int attribute_pure ast_strlen_zero(const char *s)
Definition: strings.h:65
Number structure.
Definition: app_followme.c:157
const char * args

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, voicemailpwcheck::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.

124{
126}
static struct ast_custom_function isexten_function
#define ast_custom_function_register(acf)
Register a custom function.
Definition: pbx.h:1562

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.

119{
121}
int ast_custom_function_unregister(struct ast_custom_function *acf)
Unregister a custom 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 = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .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_max = 2,
}
static int isexten_function_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
Definition: func_dialplan.c:57

Definition at line 112 of file func_dialplan.c.

Referenced by load_module(), and unload_module().