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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999-2006, Digium, Inc.
*
* Portions Copyright (C) 2005, Anthony Minessale II
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Call Detail Record related dialplan functions
*
* \author Anthony Minessale II
*
* \ingroup functions
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
#include "asterisk/cdr.h"
enum {
OPT_RECURSIVE = (1 << 0),
OPT_UNPARSED = (1 << 1),
OPT_LAST = (1 << 2),
OPT_SKIPLOCKED = (1 << 3),
} cdr_option_flags;
AST_APP_OPTIONS(cdr_func_options, {
AST_APP_OPTION('l', OPT_LAST),
AST_APP_OPTION('r', OPT_RECURSIVE),
AST_APP_OPTION('s', OPT_SKIPLOCKED),
AST_APP_OPTION('u', OPT_UNPARSED),
});
static int cdr_read(struct ast_channel *chan, const char *cmd, char *parse,
char *buf, size_t len)
{
char *ret;
struct ast_flags flags = { 0 };
struct ast_cdr *cdr = chan ? chan->cdr : NULL;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(variable);
AST_APP_ARG(options);
);
if (ast_strlen_zero(parse))
return -1;
if (!cdr)
return -1;
AST_STANDARD_APP_ARGS(args, parse);
if (!ast_strlen_zero(args.options))
ast_app_parse_options(cdr_func_options, &flags, NULL, args.options);
if (ast_test_flag(&flags, OPT_LAST))
while (cdr->next)
cdr = cdr->next;
if (ast_test_flag(&flags, OPT_SKIPLOCKED))
while (ast_test_flag(cdr, AST_CDR_FLAG_LOCKED) && cdr->next)
cdr = cdr->next;
ast_cdr_getvar(cdr, args.variable, &ret, buf, len,
ast_test_flag(&flags, OPT_RECURSIVE),
ast_test_flag(&flags, OPT_UNPARSED));
return 0;
}
static int cdr_write(struct ast_channel *chan, const char *cmd, char *parse,
const char *value)
{
struct ast_cdr *cdr = chan ? chan->cdr : NULL;
struct ast_flags flags = { 0 };
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(variable);
AST_APP_ARG(options);
);
if (ast_strlen_zero(parse) || !value || !chan)
return -1;
if (!cdr)
return -1;
AST_STANDARD_APP_ARGS(args, parse);
if (!ast_strlen_zero(args.options))
ast_app_parse_options(cdr_func_options, &flags, NULL, args.options);
if (ast_test_flag(&flags, OPT_LAST))
while (cdr->next)
cdr = cdr->next;
if (!strcasecmp(args.variable, "accountcode")) /* the 'l' flag doesn't apply to setting the accountcode, userfield, or amaflags */
ast_cdr_setaccount(chan, value);
else if (!strcasecmp(args.variable, "userfield"))
ast_cdr_setuserfield(chan, value);
else if (!strcasecmp(args.variable, "amaflags"))
ast_cdr_setamaflags(chan, value);
else
ast_cdr_setvar(cdr, args.variable, value, ast_test_flag(&flags, OPT_RECURSIVE));
/* No need to worry about the u flag, as all fields for which setting
* 'u' would do anything are marked as readonly. */
return 0;
}
static struct ast_custom_function cdr_function = {
.name = "CDR",
.synopsis = "Gets or sets a CDR variable",
.syntax = "CDR(<name>[,options])",
.read = cdr_read,
.write = cdr_write,
.desc =
"Options:\n"
" 'l' uses the most recent CDR on a channel with multiple records\n"
" 'r' searches the entire stack of CDRs on the channel\n"
" 's' skips any CDR's that are marked 'LOCKED' due to forkCDR() calls.\n"
" (on setting/writing CDR vars only)\n"
" 'u' retrieves the raw, unprocessed value\n"
" For example, 'start', 'answer', and 'end' will be retrieved as epoch\n"
" values, when the 'u' option is passed, but formatted as YYYY-MM-DD HH:MM:SS\n"
" otherwise. Similarly, disposition and amaflags will return their raw\n"
" integral values.\n"
" Here is a list of all the available cdr field names:\n"
" clid lastdata disposition\n"
" src start amaflags\n"
" dst answer accountcode\n"
" dcontext end uniqueid\n"
" dstchannel duration userfield\n"
" lastapp billsec channel\n"
" All of the above variables are read-only, except for accountcode,\n"
" userfield, and amaflags. You may, however, supply\n"
" a name not on the above list, and create your own\n"
" variable, whose value can be changed with this function,\n"
" and this variable will be stored on the cdr.\n"
" For setting CDR values, the 'l' flag does not apply to\n"
" setting the accountcode, userfield, or amaflags.\n"
" raw values for disposition:\n"
" 0 = NO ANSWER\n"
" 1 = NO ANSWER (NULL record)\n"
" 2 = FAILED\n"
" 4 = BUSY\n"
" 8 = ANSWERED\n"
" raw values for amaflags:\n"
" 1 = OMIT\n"
" 2 = BILLING\n"
" 3 = DOCUMENTATION\n",
};
static int unload_module(void)
{
return ast_custom_function_unregister(&cdr_function);
}
static int load_module(void)
{
return ast_custom_function_register(&cdr_function);
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Call Detail Record (CDR) dialplan function");
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