cdr_manager.c File Reference

Asterisk Call Manager CDR records. More...

#include "asterisk.h"
#include <time.h>
#include "asterisk/channel.h"
#include "asterisk/cdr.h"
#include "asterisk/module.h"
#include "asterisk/utils.h"
#include "asterisk/manager.h"
#include "asterisk/config.h"
#include "asterisk/pbx.h"

Include dependency graph for cdr_manager.c:

Go to the source code of this file.

Macros
#define	CONF_FILE   "cdr_manager.conf"
#define	CUSTOM_FIELDS_BUF_SIZE   1024
#define	DATE_FORMAT   "%Y-%m-%d %T"

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static int	load_config (int reload)
static int	load_module (void)
static int	manager_log (struct ast_cdr *cdr)
static int	reload (void)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Asterisk Manager Interface CDR Backend" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .reload = reload, .load_pri = AST_MODPRI_CDR_DRIVER, .requires = "cdr", }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_str *	customfields
static ast_rwlock_t	customfields_lock = AST_RWLOCK_INIT_VALUE
static int	enablecdr = 0
static const char	name [] = "cdr_manager"

Detailed Description

Asterisk Call Manager CDR records.

See also

• CDR - Call Data Records and billing
• AMI - The Manager Interface
• AMI configuration

Definition in file cdr_manager.c.

Macro Definition Documentation

CONF_FILE

#define CONF_FILE   "cdr_manager.conf"

Definition at line 183 of file cdr_manager.c.

CUSTOM_FIELDS_BUF_SIZE

#define CUSTOM_FIELDS_BUF_SIZE   1024

Definition at line 184 of file cdr_manager.c.

DATE_FORMAT

#define DATE_FORMAT   "%Y-%m-%d %T"

Definition at line 182 of file cdr_manager.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 378 of file cdr_manager.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 378 of file cdr_manager.c.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 378 of file cdr_manager.c.

load_config()

static int load_config ( int  reload )

static

Definition at line 195 of file cdr_manager.c.

{
    char *cat = NULL;
    struct ast_config *cfg;
    struct ast_variable *v;
    struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
    int newenablecdr = 0;
 
    cfg = ast_config_load(CONF_FILE, config_flags);
    if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
        return 0;
    }
 
    if (cfg == CONFIG_STATUS_FILEINVALID) {
        ast_log(LOG_ERROR, "Config file '%s' could not be parsed\n", CONF_FILE);
        return -1;
    }
 
    if (!cfg) {
        /* Standard configuration */
        ast_log(LOG_WARNING, "Failed to load configuration file. Module not activated.\n");
        if (enablecdr) {
            ast_cdr_backend_suspend(name);
        }
        enablecdr = 0;
        return -1;
    }
 
    if (reload) {
        ast_rwlock_wrlock(&customfields_lock);
    }
 
    if (reload && customfields) {
        ast_free(customfields);
        customfields = NULL;
    }
 
    while ( (cat = ast_category_browse(cfg, cat)) ) {
        if (!strcasecmp(cat, "general")) {
            v = ast_variable_browse(cfg, cat);
            while (v) {
                if (!strcasecmp(v->name, "enabled"))
                    newenablecdr = ast_true(v->value);
 
                v = v->next;
            }
        } else if (!strcasecmp(cat, "mappings")) {
            customfields = ast_str_create(CUSTOM_FIELDS_BUF_SIZE);
            v = ast_variable_browse(cfg, cat);
            while (v) {
                if (customfields && !ast_strlen_zero(v->name) && !ast_strlen_zero(v->value)) {
                    if ((ast_str_strlen(customfields) + strlen(v->value) + strlen(v->name) + 14) < ast_str_size(customfields)) {
                        ast_str_append(&customfields, -1, "%s: ${CDR(%s)}\r\n", v->value, v->name);
                        ast_log(LOG_NOTICE, "Added mapping %s: ${CDR(%s)}\n", v->value, v->name);
                    } else {
                        ast_log(LOG_WARNING, "No more buffer space to add other custom fields\n");
                        break;
                    }
 
                }
                v = v->next;
            }
        }
    }
 
    if (reload) {
        ast_rwlock_unlock(&customfields_lock);
    }
 
    ast_config_destroy(cfg);
 
    if (!newenablecdr) {
        ast_cdr_backend_suspend(name);
    } else if (newenablecdr) {
        ast_cdr_backend_unsuspend(name);
    }
    enablecdr = newenablecdr;
 
    return 0;
}

References ast_category_browse(), ast_cdr_backend_suspend(), ast_cdr_backend_unsuspend(), ast_config_destroy(), ast_config_load, ast_free, ast_log, ast_rwlock_unlock, ast_rwlock_wrlock, ast_str_append(), ast_str_create, ast_str_size(), ast_str_strlen(), ast_strlen_zero(), ast_true(), ast_variable_browse(), CONF_FILE, CONFIG_FLAG_FILEUNCHANGED, CONFIG_STATUS_FILEINVALID, CONFIG_STATUS_FILEUNCHANGED, CUSTOM_FIELDS_BUF_SIZE, customfields, customfields_lock, enablecdr, LOG_ERROR, LOG_NOTICE, LOG_WARNING, name, ast_variable::name, ast_variable::next, NULL, reload(), and ast_variable::value.

load_module()

static int load_module ( void  )

static

Definition at line 352 of file cdr_manager.c.

{
    if (ast_cdr_register(name, "Asterisk Manager Interface CDR Backend", manager_log)) {
        return AST_MODULE_LOAD_DECLINE;
    }
 
    if (load_config(0)) {
        ast_cdr_unregister(name);
        return AST_MODULE_LOAD_DECLINE;
    }
 
    return AST_MODULE_LOAD_SUCCESS;
}

References ast_cdr_register(), ast_cdr_unregister(), AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, load_config(), manager_log(), and name.

manager_log()

static int manager_log ( struct ast_cdr *  cdr )

static

Definition at line 276 of file cdr_manager.c.

{
    struct ast_tm timeresult;
    char strStartTime[80] = "";
    char strAnswerTime[80] = "";
    char strEndTime[80] = "";
    char buf[CUSTOM_FIELDS_BUF_SIZE];
 
    if (!enablecdr)
        return 0;
 
    ast_localtime(&cdr->start, &timeresult, NULL);
    ast_strftime(strStartTime, sizeof(strStartTime), DATE_FORMAT, &timeresult);
 
    if (cdr->answer.tv_sec) {
        ast_localtime(&cdr->answer, &timeresult, NULL);
        ast_strftime(strAnswerTime, sizeof(strAnswerTime), DATE_FORMAT, &timeresult);
    }
 
    ast_localtime(&cdr->end, &timeresult, NULL);
    ast_strftime(strEndTime, sizeof(strEndTime), DATE_FORMAT, &timeresult);
 
    buf[0] = '\0';
    ast_rwlock_rdlock(&customfields_lock);
    if (customfields && ast_str_strlen(customfields)) {
        struct ast_channel *dummy = ast_dummy_channel_alloc();
        if (!dummy) {
            ast_log(LOG_ERROR, "Unable to allocate channel for variable substitution.\n");
            return 0;
        }
        ast_channel_cdr_set(dummy, ast_cdr_dup(cdr));
        pbx_substitute_variables_helper(dummy, ast_str_buffer(customfields), buf, sizeof(buf) - 1);
        ast_channel_unref(dummy);
    }
    ast_rwlock_unlock(&customfields_lock);
 
    manager_event(EVENT_FLAG_CDR, "Cdr",
        "AccountCode: %s\r\n"
        "Source: %s\r\n"
        "Destination: %s\r\n"
        "DestinationContext: %s\r\n"
        "CallerID: %s\r\n"
        "Channel: %s\r\n"
        "DestinationChannel: %s\r\n"
        "LastApplication: %s\r\n"
        "LastData: %s\r\n"
        "StartTime: %s\r\n"
        "AnswerTime: %s\r\n"
        "EndTime: %s\r\n"
        "Duration: %ld\r\n"
        "BillableSeconds: %ld\r\n"
        "Disposition: %s\r\n"
        "AMAFlags: %s\r\n"
        "UniqueID: %s\r\n"
        "UserField: %s\r\n"
        "%s",
        cdr->accountcode, cdr->src, cdr->dst, cdr->dcontext, cdr->clid, cdr->channel,
        cdr->dstchannel, cdr->lastapp, cdr->lastdata, strStartTime, strAnswerTime, strEndTime,
        cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition),
        ast_channel_amaflags2string(cdr->amaflags), cdr->uniqueid, cdr->userfield,buf);
 
    return 0;
}

References ast_cdr::accountcode, ast_cdr::amaflags, ast_cdr::answer, ast_cdr_disp2str(), ast_cdr_dup(), ast_channel_amaflags2string(), ast_channel_cdr_set(), ast_channel_unref, ast_dummy_channel_alloc, ast_localtime(), ast_log, ast_rwlock_rdlock, ast_rwlock_unlock, ast_str_buffer(), ast_str_strlen(), ast_strftime(), ast_cdr::billsec, buf, ast_channel::cdr, ast_cdr::channel, ast_cdr::clid, CUSTOM_FIELDS_BUF_SIZE, customfields, customfields_lock, DATE_FORMAT, ast_cdr::dcontext, ast_cdr::disposition, ast_cdr::dst, ast_cdr::dstchannel, dummy(), ast_cdr::duration, enablecdr, ast_cdr::end, EVENT_FLAG_CDR, ast_cdr::lastapp, ast_cdr::lastdata, LOG_ERROR, manager_event, NULL, pbx_substitute_variables_helper(), ast_cdr::src, ast_cdr::start, ast_cdr::uniqueid, and ast_cdr::userfield.

Referenced by load_module().

reload()

static int reload ( void  )

static

Definition at line 366 of file cdr_manager.c.

{
    return load_config(1);
}

References load_config().

Referenced by load_config().

unload_module()

static int unload_module ( void  )

static

Definition at line 340 of file cdr_manager.c.

{
    if (ast_cdr_unregister(name)) {
        return -1;
    }
 
    if (customfields)
        ast_free(customfields);
 
    return 0;
}

References ast_cdr_unregister(), ast_free, customfields, and name.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Asterisk Manager Interface CDR Backend" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .reload = reload, .load_pri = AST_MODPRI_CDR_DRIVER, .requires = "cdr", }

static

Definition at line 378 of file cdr_manager.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 378 of file cdr_manager.c.

customfields

struct ast_str* customfields

static

Definition at line 190 of file cdr_manager.c.

Referenced by load_config(), manager_log(), and unload_module().

customfields_lock

ast_rwlock_t customfields_lock = AST_RWLOCK_INIT_VALUE

static

Definition at line 191 of file cdr_manager.c.

Referenced by load_config(), and manager_log().

enablecdr

int enablecdr = 0

static

Definition at line 188 of file cdr_manager.c.

Referenced by load_config(), and manager_log().

name

const char name[] = "cdr_manager"

static

Definition at line 186 of file cdr_manager.c.

Referenced by load_config(), load_module(), and unload_module().