Thu Oct 8 21:56:11 2009

Asterisk developer's documentation


app_zapateller.c File Reference

Playback the special information tone to get rid of telemarketers. More...

#include "asterisk.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"

Include dependency graph for app_zapateller.c:

Go to the source code of this file.

Functions

 AST_MODULE_INFO_STANDARD (ASTERISK_GPL_KEY,"Block Telemarketers with Special Information Tone")
static int load_module (void)
static int unload_module (void)
static int zapateller_exec (struct ast_channel *chan, void *data)

Variables

static char * app = "Zapateller"
static char * descrip
static char * synopsis = "Block telemarketers with SIT"


Detailed Description

Playback the special information tone to get rid of telemarketers.

Author:
Mark Spencer <markster@digium.com>

Definition in file app_zapateller.c.


Function Documentation

AST_MODULE_INFO_STANDARD ( ASTERISK_GPL_KEY  ,
"Block Telemarketers with Special Information Tone"   
)

static int load_module ( void   )  [static]

Definition at line 115 of file app_zapateller.c.

References ast_register_application(), and zapateller_exec().

00116 {
00117    return ast_register_application(app, zapateller_exec, synopsis, descrip);
00118 }

static int unload_module ( void   )  [static]

Definition at line 104 of file app_zapateller.c.

References ast_module_user_hangup_all, and ast_unregister_application().

00105 {
00106    int res;
00107 
00108    res = ast_unregister_application(app);
00109    
00110    ast_module_user_hangup_all();
00111 
00112    return res; 
00113 }

static int zapateller_exec ( struct ast_channel chan,
void *  data 
) [static]

Definition at line 58 of file app_zapateller.c.

References ast_channel::_state, answer, ast_answer(), ast_module_user_add, ast_module_user_remove, ast_safe_sleep(), AST_STATE_UP, ast_stopstream(), ast_strlen_zero(), ast_tonepair(), ast_channel::cid, ast_callerid::cid_num, and strsep().

Referenced by load_module().

00059 {
00060    int res = 0;
00061    struct ast_module_user *u;
00062    int answer = 0, nocallerid = 0;
00063    char *c;
00064    char *stringp=NULL;
00065    
00066    u = ast_module_user_add(chan);
00067 
00068    stringp=data;
00069         c = strsep(&stringp, "|");
00070         while(!ast_strlen_zero(c)) {
00071       if (!strcasecmp(c, "answer"))
00072          answer = 1;
00073       else if (!strcasecmp(c, "nocallerid"))
00074          nocallerid = 1;
00075 
00076                 c = strsep(&stringp, "|");
00077         }
00078 
00079    ast_stopstream(chan);
00080    if (chan->_state != AST_STATE_UP) {
00081 
00082       if (answer) 
00083          res = ast_answer(chan);
00084       if (!res) {
00085          res = ast_safe_sleep(chan, 500);
00086       }
00087    }
00088    if (!ast_strlen_zero(chan->cid.cid_num) && nocallerid) {
00089       ast_module_user_remove(u);
00090       return res;
00091    } 
00092    if (!res) 
00093       res = ast_tonepair(chan, 950, 0, 330, 0);
00094    if (!res) 
00095       res = ast_tonepair(chan, 1400, 0, 330, 0);
00096    if (!res) 
00097       res = ast_tonepair(chan, 1800, 0, 330, 0);
00098    if (!res) 
00099       res = ast_tonepair(chan, 0, 0, 1000, 0);
00100    ast_module_user_remove(u);
00101    return res;
00102 }


Variable Documentation

char* app = "Zapateller" [static]

Definition at line 44 of file app_zapateller.c.

char* descrip [static]

Definition at line 48 of file app_zapateller.c.

char* synopsis = "Block telemarketers with SIT" [static]

Definition at line 46 of file app_zapateller.c.


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