Sat Mar 10 01:55:25 2012

Asterisk developer's documentation


func_cdr.c File Reference

Call Detail Record related dialplan functions. More...

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

Go to the source code of this file.

Enumerations

enum  cdr_option_flags {
  OPT_RECURSIVE = (1 << 0), OPT_UNPARSED = (1 << 1), OPT_LAST = (1 << 2), OPT_SKIPLOCKED = (1 << 3),
  OPT_FLOAT = (1 << 4)
}

Functions

static void __reg_module (void)
static void __unreg_module (void)
static int cdr_read (struct ast_channel *chan, const char *cmd, char *parse, char *buf, size_t len)
static int cdr_write (struct ast_channel *chan, const char *cmd, char *parse, const char *value)
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 = "Call Detail Record (CDR) dialplan function" , .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 = "88eaa8f5c1bd988bedd71113385e0886" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, }
static struct ast_module_infoast_module_info = &__mod_info
static struct ast_app_option cdr_func_options [128] = { [ 'f' ] = { .flag = OPT_FLOAT }, [ 'l' ] = { .flag = OPT_LAST }, [ 'r' ] = { .flag = OPT_RECURSIVE }, [ 's' ] = { .flag = OPT_SKIPLOCKED }, [ 'u' ] = { .flag = OPT_UNPARSED },}
static struct ast_custom_function cdr_function


Detailed Description

Call Detail Record related dialplan functions.

Author:
Anthony Minessale II

Definition in file func_cdr.c.


Enumeration Type Documentation

enum cdr_option_flags

Enumerator:
OPT_RECURSIVE 
OPT_UNPARSED 
OPT_LAST 
OPT_SKIPLOCKED 
OPT_FLOAT 

Definition at line 179 of file func_cdr.c.

00179                       {
00180    OPT_RECURSIVE = (1 << 0),
00181    OPT_UNPARSED = (1 << 1),
00182    OPT_LAST = (1 << 2),
00183    OPT_SKIPLOCKED = (1 << 3),
00184    OPT_FLOAT = (1 << 4),
00185 };


Function Documentation

static void __reg_module ( void   )  [static]

Definition at line 328 of file func_cdr.c.

static void __unreg_module ( void   )  [static]

Definition at line 328 of file func_cdr.c.

static int cdr_read ( struct ast_channel chan,
const char *  cmd,
char *  parse,
char *  buf,
size_t  len 
) [static]

Definition at line 195 of file func_cdr.c.

References args, AST_APP_ARG, ast_app_parse_options(), AST_CDR_FLAG_LOCKED, ast_cdr_getvar(), ast_channel_lock, ast_channel_unlock, AST_DECLARE_APP_ARGS, AST_STANDARD_APP_ARGS, ast_strlen_zero(), ast_test_flag, ast_tvdiff_us(), ast_tvnow(), ast_tvzero(), ast_channel::cdr, cdr_func_options, ast_cdr::flags, ast_flags::flags, ast_cdr::next, OPT_FLOAT, OPT_LAST, OPT_RECURSIVE, OPT_SKIPLOCKED, and OPT_UNPARSED.

00197 {
00198    char *ret;
00199    struct ast_flags flags = { 0 };
00200    struct ast_cdr *cdr;
00201    AST_DECLARE_APP_ARGS(args,
00202               AST_APP_ARG(variable);
00203               AST_APP_ARG(options);
00204    );
00205 
00206    if (ast_strlen_zero(parse) || !chan)
00207       return -1;
00208 
00209    ast_channel_lock(chan);
00210    cdr = chan->cdr;
00211    if (!cdr) {
00212       ast_channel_unlock(chan);
00213       return -1;
00214    }
00215 
00216    AST_STANDARD_APP_ARGS(args, parse);
00217 
00218    if (!ast_strlen_zero(args.options))
00219       ast_app_parse_options(cdr_func_options, &flags, NULL, args.options);
00220 
00221    if (ast_test_flag(&flags, OPT_LAST))
00222       while (cdr->next)
00223          cdr = cdr->next;
00224 
00225    if (ast_test_flag(&flags, OPT_SKIPLOCKED))
00226       while (ast_test_flag(cdr, AST_CDR_FLAG_LOCKED) && cdr->next)
00227          cdr = cdr->next;
00228 
00229    if (!strcasecmp("billsec", args.variable) && ast_test_flag(&flags, OPT_FLOAT)) {
00230       if (!ast_tvzero(cdr->answer)) {
00231          double hrtime;
00232 
00233          if(!ast_tvzero(cdr->end))
00234             hrtime = (double)(ast_tvdiff_us(cdr->end, cdr->answer) / 1000000.0);
00235          else
00236             hrtime = (double)(ast_tvdiff_us(ast_tvnow(), cdr->answer) / 1000000.0);
00237 
00238          snprintf(buf, len, "%lf", hrtime);
00239       } else {
00240          snprintf(buf, len, "%lf", 0.0);
00241       }
00242       ret = buf;
00243    } else if (!strcasecmp("duration", args.variable) && ast_test_flag(&flags, OPT_FLOAT)) {
00244          double hrtime;
00245 
00246          if(!ast_tvzero(cdr->end))
00247             hrtime = (double)(ast_tvdiff_us(cdr->end, cdr->start) / 1000000.0);
00248          else
00249             hrtime = (double)(ast_tvdiff_us(ast_tvnow(), cdr->start) / 1000000.0);
00250 
00251          snprintf(buf, len, "%lf", hrtime);
00252 
00253       if (!ast_strlen_zero(buf)) {
00254          ret = buf;
00255       }
00256    } else {
00257       ast_cdr_getvar(cdr, args.variable, &ret, buf, len,
00258                 ast_test_flag(&flags, OPT_RECURSIVE),
00259                ast_test_flag(&flags, OPT_UNPARSED));
00260    }
00261 
00262    ast_channel_unlock(chan);
00263    return ret ? 0 : -1;
00264 }

static int cdr_write ( struct ast_channel chan,
const char *  cmd,
char *  parse,
const char *  value 
) [static]

Definition at line 266 of file func_cdr.c.

References args, AST_APP_ARG, ast_app_parse_options(), ast_cdr_setaccount(), ast_cdr_setamaflags(), ast_cdr_setpeeraccount(), ast_cdr_setuserfield(), ast_cdr_setvar(), ast_channel_lock, ast_channel_unlock, AST_DECLARE_APP_ARGS, AST_STANDARD_APP_ARGS, ast_strlen_zero(), ast_test_flag, ast_channel::cdr, cdr_func_options, ast_flags::flags, ast_cdr::next, OPT_LAST, and OPT_RECURSIVE.

00268 {
00269    struct ast_cdr *cdr;
00270    struct ast_flags flags = { 0 };
00271    AST_DECLARE_APP_ARGS(args,
00272               AST_APP_ARG(variable);
00273               AST_APP_ARG(options);
00274    );
00275 
00276    if (ast_strlen_zero(parse) || !value || !chan)
00277       return -1;
00278 
00279    ast_channel_lock(chan);
00280    cdr = chan->cdr;
00281    if (!cdr) {
00282       ast_channel_unlock(chan);
00283       return -1;
00284    }
00285 
00286    AST_STANDARD_APP_ARGS(args, parse);
00287 
00288    if (!ast_strlen_zero(args.options))
00289       ast_app_parse_options(cdr_func_options, &flags, NULL, args.options);
00290 
00291    if (ast_test_flag(&flags, OPT_LAST))
00292       while (cdr->next)
00293          cdr = cdr->next;
00294 
00295    if (!strcasecmp(args.variable, "accountcode"))  /* the 'l' flag doesn't apply to setting the accountcode, userfield, or amaflags */
00296       ast_cdr_setaccount(chan, value);
00297    else if (!strcasecmp(args.variable, "peeraccount"))
00298       ast_cdr_setpeeraccount(chan, value);
00299    else if (!strcasecmp(args.variable, "userfield"))
00300       ast_cdr_setuserfield(chan, value);
00301    else if (!strcasecmp(args.variable, "amaflags"))
00302       ast_cdr_setamaflags(chan, value);
00303    else
00304       ast_cdr_setvar(cdr, args.variable, value, ast_test_flag(&flags, OPT_RECURSIVE));
00305       /* No need to worry about the u flag, as all fields for which setting
00306        * 'u' would do anything are marked as readonly. */
00307 
00308    ast_channel_unlock(chan);
00309    return 0;
00310 }

static int load_module ( void   )  [static]

Definition at line 323 of file func_cdr.c.

References ast_custom_function_register, and cdr_function.

00324 {
00325    return ast_custom_function_register(&cdr_function);
00326 }

static int unload_module ( void   )  [static]

Definition at line 318 of file func_cdr.c.

References ast_custom_function_unregister(), and cdr_function.

00319 {
00320    return ast_custom_function_unregister(&cdr_function);
00321 }


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Call Detail Record (CDR) dialplan function" , .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 = "88eaa8f5c1bd988bedd71113385e0886" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, } [static]

Definition at line 328 of file func_cdr.c.

struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 328 of file func_cdr.c.

struct ast_app_option cdr_func_options[128] = { [ 'f' ] = { .flag = OPT_FLOAT }, [ 'l' ] = { .flag = OPT_LAST }, [ 'r' ] = { .flag = OPT_RECURSIVE }, [ 's' ] = { .flag = OPT_SKIPLOCKED }, [ 'u' ] = { .flag = OPT_UNPARSED },} [static]

Definition at line 193 of file func_cdr.c.

Referenced by cdr_read(), and cdr_write().

struct ast_custom_function cdr_function [static]

Initial value:

 {
   .name = "CDR",
   .read = cdr_read,
   .write = cdr_write,
}

Definition at line 312 of file func_cdr.c.

Referenced by load_module(), and unload_module().


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