app_readexten.c File Reference
Trivial application to read an extension into a variable. More...
#include "asterisk.h"#include "asterisk/file.h"#include "asterisk/pbx.h"#include "asterisk/app.h"#include "asterisk/module.h"#include "asterisk/indications.h"#include "asterisk/channel.h"
Include dependency graph for app_readexten.c:
Go to the source code of this file.
Enumerations | |
| enum | readexten_option_flags { OPT_SKIP = (1 << 0), OPT_INDICATION = (1 << 1), OPT_NOANSWER = (1 << 2) } |
Functions | |
| static void | __reg_module (void) |
| static void | __unreg_module (void) |
| static int | acf_isexten_exec (struct ast_channel *chan, const char *cmd, char *parse, char *buffer, size_t buflen) |
| static int | load_module (void) |
| static int | readexten_exec (struct ast_channel *chan, const char *data) |
| static int | unload_module (void) |
Variables | |
| static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Read and evaluate extension validity" , .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 = "7a1b8b48c852d7a7061c7e499b9bd0d2" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } |
| static struct ast_custom_function | acf_isexten |
| static char * | app = "ReadExten" |
| static struct ast_module_info * | ast_module_info = &__mod_info |
| static struct ast_app_option | readexten_app_options [128] = { [ 's' ] = { .flag = OPT_SKIP }, [ 'i' ] = { .flag = OPT_INDICATION }, [ 'n' ] = { .flag = OPT_NOANSWER },} |
Detailed Description
Trivial application to read an extension into a variable.
Definition in file app_readexten.c.
Enumeration Type Documentation
Definition at line 119 of file app_readexten.c.
{
OPT_SKIP = (1 << 0),
OPT_INDICATION = (1 << 1),
OPT_NOANSWER = (1 << 2),
};
Function Documentation
| static void __reg_module | ( | void | ) | [static] |
Definition at line 337 of file app_readexten.c.
| static void __unreg_module | ( | void | ) | [static] |
Definition at line 337 of file app_readexten.c.
| static int acf_isexten_exec | ( | struct ast_channel * | chan, |
| const char * | cmd, | ||
| char * | parse, | ||
| char * | buffer, | ||
| size_t | buflen | ||
| ) | [static] |
Definition at line 283 of file app_readexten.c.
References AST_DECLARE_APP_ARGS, args, AST_APP_ARG, context, AST_STANDARD_APP_ARGS, ast_strlen_zero(), ast_channel::context, ast_log(), LOG_WARNING, ast_exists_extension(), S_COR, ast_channel::caller, ast_party_caller::id, ast_party_id::number, ast_party_number::valid, ast_party_number::str, and ast_copy_string().
{
int priority_int;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(context);
AST_APP_ARG(extension);
AST_APP_ARG(priority);
);
AST_STANDARD_APP_ARGS(args, parse);
if (ast_strlen_zero(args.context))
args.context = chan->context;
if (ast_strlen_zero(args.extension)) {
ast_log(LOG_WARNING, "Syntax: VALID_EXTEN([<context>],<extension>[,<priority>]) - missing argument <extension>!\n");
return -1;
}
if (ast_strlen_zero(args.priority))
priority_int = 1;
else
priority_int = atoi(args.priority);
if (ast_exists_extension(chan, args.context, args.extension, priority_int,
S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL))) {
ast_copy_string(buffer, "1", buflen);
} else {
ast_copy_string(buffer, "0", buflen);
}
return 0;
}
| static int load_module | ( | void | ) | [static] |
Definition at line 330 of file app_readexten.c.
References ast_register_application_xml, readexten_exec(), and ast_custom_function_register.
{
int res = ast_register_application_xml(app, readexten_exec);
res |= ast_custom_function_register(&acf_isexten);
return res;
}
| static int readexten_exec | ( | struct ast_channel * | chan, |
| const char * | data | ||
| ) | [static] |
Definition at line 133 of file app_readexten.c.
References exten, status, AST_DECLARE_APP_ARGS, AST_APP_ARG, context, ast_strlen_zero(), ast_log(), LOG_WARNING, pbx_builtin_setvar_helper(), ast_strdupa, AST_STANDARD_APP_ARGS, ast_channel::context, ast_app_parse_options(), readexten_app_options, ast_channel::pbx, ast_pbx::rtimeoutms, ast_pbx::dtimeoutms, ast_test_flag, OPT_INDICATION, ast_get_indication_tone(), ast_channel::zone, ast_channel::_state, AST_STATE_UP, OPT_SKIP, OPT_NOANSWER, ast_answer(), ast_playtones_stop(), ast_stopstream(), ast_tone_zone_sound::data, ast_playtones_start(), ast_fileexists(), ast_channel::language, ast_streamfile(), ast_debug, ast_waitfordigit(), ast_check_hangup(), ast_matchmore_extension(), S_COR, ast_channel::caller, ast_party_caller::id, ast_party_id::number, ast_party_number::valid, ast_party_number::str, ast_exists_extension(), ast_channel::name, and ast_tone_zone_sound_unref().
Referenced by load_module().
{
int res = 0;
char exten[256] = "";
int maxdigits = sizeof(exten) - 1;
int timeout = 0, digit_timeout = 0, x = 0;
char *argcopy = NULL, *status = "";
struct ast_tone_zone_sound *ts = NULL;
struct ast_flags flags = {0};
AST_DECLARE_APP_ARGS(arglist,
AST_APP_ARG(variable);
AST_APP_ARG(filename);
AST_APP_ARG(context);
AST_APP_ARG(options);
AST_APP_ARG(timeout);
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "ReadExten requires at least one argument\n");
pbx_builtin_setvar_helper(chan, "READEXTENSTATUS", "ERROR");
return 0;
}
argcopy = ast_strdupa(data);
AST_STANDARD_APP_ARGS(arglist, argcopy);
if (ast_strlen_zero(arglist.variable)) {
ast_log(LOG_WARNING, "Usage: ReadExten(variable[,filename[,context[,options[,timeout]]]])\n");
pbx_builtin_setvar_helper(chan, "READEXTENSTATUS", "ERROR");
return 0;
}
if (ast_strlen_zero(arglist.filename))
arglist.filename = NULL;
if (ast_strlen_zero(arglist.context))
arglist.context = chan->context;
if (!ast_strlen_zero(arglist.options))
ast_app_parse_options(readexten_app_options, &flags, NULL, arglist.options);
if (!ast_strlen_zero(arglist.timeout)) {
timeout = atoi(arglist.timeout);
if (timeout > 0)
timeout *= 1000;
}
if (timeout <= 0)
timeout = chan->pbx ? chan->pbx->rtimeoutms : 10000;
if (digit_timeout <= 0)
digit_timeout = chan->pbx ? chan->pbx->dtimeoutms : 5000;
if (ast_test_flag(&flags, OPT_INDICATION) && !ast_strlen_zero(arglist.filename)) {
ts = ast_get_indication_tone(chan->zone, arglist.filename);
}
do {
if (chan->_state != AST_STATE_UP) {
if (ast_test_flag(&flags, OPT_SKIP)) {
/* At the user's option, skip if the line is not up */
pbx_builtin_setvar_helper(chan, arglist.variable, "");
status = "SKIP";
break;
} else if (!ast_test_flag(&flags, OPT_NOANSWER)) {
/* Otherwise answer unless we're supposed to read while on-hook */
res = ast_answer(chan);
}
}
if (res < 0) {
status = "HANGUP";
break;
}
ast_playtones_stop(chan);
ast_stopstream(chan);
if (ts && ts->data[0]) {
res = ast_playtones_start(chan, 0, ts->data, 0);
} else if (arglist.filename) {
if (ast_test_flag(&flags, OPT_INDICATION) && ast_fileexists(arglist.filename, NULL, chan->language) <= 0) {
/*
* We were asked to play an indication that did not exist in the config.
* If no such file exists, play it as a tonelist. With any luck they won't
* have a file named "350+440.ulaw"
* (but honestly, who would do something so silly?)
*/
res = ast_playtones_start(chan, 0, arglist.filename, 0);
} else {
res = ast_streamfile(chan, arglist.filename, chan->language);
}
}
for (x = 0; x < maxdigits; x++) {
ast_debug(3, "extension so far: '%s', timeout: %d\n", exten, timeout);
res = ast_waitfordigit(chan, timeout);
ast_playtones_stop(chan);
ast_stopstream(chan);
timeout = digit_timeout;
if (res < 1) { /* timeout expired or hangup */
if (ast_check_hangup(chan)) {
status = "HANGUP";
} else if (x == 0) {
pbx_builtin_setvar_helper(chan, arglist.variable, "t");
status = "TIMEOUT";
}
break;
}
exten[x] = res;
if (!ast_matchmore_extension(chan, arglist.context, exten, 1 /* priority */,
S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL))) {
if (!ast_exists_extension(chan, arglist.context, exten, 1,
S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL))
&& res == '#') {
exten[x] = '\0';
}
break;
}
}
if (!ast_strlen_zero(status))
break;
if (ast_exists_extension(chan, arglist.context, exten, 1,
S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL))) {
ast_debug(3, "User entered valid extension '%s'\n", exten);
pbx_builtin_setvar_helper(chan, arglist.variable, exten);
status = "OK";
} else {
ast_debug(3, "User dialed invalid extension '%s' in context '%s' on %s\n", exten, arglist.context, chan->name);
pbx_builtin_setvar_helper(chan, arglist.variable, "i");
pbx_builtin_setvar_helper(chan, "INVALID_EXTEN", exten);
status = "INVALID";
}
} while (0);
if (ts) {
ts = ast_tone_zone_sound_unref(ts);
}
pbx_builtin_setvar_helper(chan, "READEXTENSTATUS", status);
return status[0] == 'H' ? -1 : 0;
}
| static int unload_module | ( | void | ) | [static] |
Definition at line 322 of file app_readexten.c.
References ast_unregister_application(), and ast_custom_function_unregister().
{
int res = ast_unregister_application(app);
res |= ast_custom_function_unregister(&acf_isexten);
return res;
}
Variable Documentation
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Read and evaluate extension validity" , .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 = "7a1b8b48c852d7a7061c7e499b9bd0d2" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static] |
Definition at line 337 of file app_readexten.c.
struct ast_custom_function acf_isexten [static] |
Initial value:
{
.name = "VALID_EXTEN",
.read = acf_isexten_exec,
}
Definition at line 317 of file app_readexten.c.
char* app = "ReadExten" [static] |
Definition at line 131 of file app_readexten.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 337 of file app_readexten.c.
struct ast_app_option readexten_app_options[128] = { [ 's' ] = { .flag = OPT_SKIP }, [ 'i' ] = { .flag = OPT_INDICATION }, [ 'n' ] = { .flag = OPT_NOANSWER },} [static] |
Definition at line 129 of file app_readexten.c.
Referenced by readexten_exec().
