Wed Aug 7 17:15:53 2019

Asterisk developer's documentation


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"

Go to the source code of this file.

Defines

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

Functions

 AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER,"Asterisk Manager Interface CDR Backend",.load=load_module,.unload=unload_module,.reload=reload,.load_pri=AST_MODPRI_CDR_DRIVER,)
 AST_RWLOCK_DEFINE_STATIC (customfields_lock)
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_strcustomfields
static int enablecdr = 0
static const char name [] = "cdr_manager"

Detailed Description

Asterisk Call Manager CDR records.

See also

Definition in file cdr_manager.c.


Define Documentation

#define CONF_FILE   "cdr_manager.conf"

Definition at line 47 of file cdr_manager.c.

Referenced by load_config().

#define CUSTOM_FIELDS_BUF_SIZE   1024

Definition at line 48 of file cdr_manager.c.

Referenced by load_config(), and manager_log().

#define DATE_FORMAT   "%Y-%m-%d %T"

Definition at line 46 of file cdr_manager.c.


Function Documentation

AST_MODULE_INFO ( ASTERISK_GPL_KEY  ,
AST_MODFLAG_LOAD_ORDER  ,
"Asterisk Manager Interface CDR Backend"  ,
load = load_module,
unload = unload_module,
reload = reload,
load_pri = AST_MODPRI_CDR_DRIVER 
)
AST_RWLOCK_DEFINE_STATIC ( customfields_lock   ) 
static int load_config ( int  reload  )  [static]

Definition at line 59 of file cdr_manager.c.

References ast_category_browse(), ast_cdr_register(), ast_cdr_unregister(), 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, LOG_ERROR, LOG_NOTICE, LOG_WARNING, manager_log(), ast_variable::name, ast_variable::next, and ast_variable::value.

Referenced by load_module(), and reload().

00060 {
00061    char *cat = NULL;
00062    struct ast_config *cfg;
00063    struct ast_variable *v;
00064    struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
00065    int newenablecdr = 0;
00066 
00067    cfg = ast_config_load(CONF_FILE, config_flags);
00068    if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
00069       return 0;
00070    }
00071 
00072    if (cfg == CONFIG_STATUS_FILEINVALID) {
00073       ast_log(LOG_ERROR, "Config file '%s' could not be parsed\n", CONF_FILE);
00074       return -1;
00075    }
00076 
00077    if (!cfg) {
00078       /* Standard configuration */
00079       ast_log(LOG_WARNING, "Failed to load configuration file. Module not activated.\n");
00080       if (enablecdr)
00081          ast_cdr_unregister(name);
00082       enablecdr = 0;
00083       return -1;
00084    }
00085 
00086    if (reload) {
00087       ast_rwlock_wrlock(&customfields_lock);
00088    }
00089 
00090    if (reload && customfields) {
00091       ast_free(customfields);
00092       customfields = NULL;
00093    }
00094 
00095    while ( (cat = ast_category_browse(cfg, cat)) ) {
00096       if (!strcasecmp(cat, "general")) {
00097          v = ast_variable_browse(cfg, cat);
00098          while (v) {
00099             if (!strcasecmp(v->name, "enabled"))
00100                newenablecdr = ast_true(v->value);
00101 
00102             v = v->next;
00103          }
00104       } else if (!strcasecmp(cat, "mappings")) {
00105          customfields = ast_str_create(CUSTOM_FIELDS_BUF_SIZE);
00106          v = ast_variable_browse(cfg, cat);
00107          while (v) {
00108             if (customfields && !ast_strlen_zero(v->name) && !ast_strlen_zero(v->value)) {
00109                if ((ast_str_strlen(customfields) + strlen(v->value) + strlen(v->name) + 14) < ast_str_size(customfields)) {
00110                   ast_str_append(&customfields, -1, "%s: ${CDR(%s)}\r\n", v->value, v->name);
00111                   ast_log(LOG_NOTICE, "Added mapping %s: ${CDR(%s)}\n", v->value, v->name);
00112                } else {
00113                   ast_log(LOG_WARNING, "No more buffer space to add other custom fields\n");
00114                   break;
00115                }
00116 
00117             }
00118             v = v->next;
00119          }
00120       }
00121    }
00122 
00123    if (reload) {
00124       ast_rwlock_unlock(&customfields_lock);
00125    }
00126 
00127    ast_config_destroy(cfg);
00128 
00129    if (enablecdr && !newenablecdr)
00130       ast_cdr_unregister(name);
00131    else if (!enablecdr && newenablecdr)
00132       ast_cdr_register(name, "Asterisk Manager Interface CDR Backend", manager_log);
00133    enablecdr = newenablecdr;
00134 
00135    return 0;
00136 }

static int load_module ( void   )  [static]

Definition at line 211 of file cdr_manager.c.

References AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, and load_config().

00212 {
00213    if (load_config(0)) {
00214       return AST_MODULE_LOAD_DECLINE;
00215    }
00216 
00217    return AST_MODULE_LOAD_SUCCESS;
00218 }

static int manager_log ( struct ast_cdr cdr  )  [static]

Definition at line 138 of file cdr_manager.c.

References ast_cdr::accountcode, ast_cdr::amaflags, ast_cdr::answer, ast_cdr_disp2str(), ast_cdr_dup(), ast_cdr_flags2str(), 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, ast_channel::cdr, ast_cdr::channel, ast_cdr::clid, CUSTOM_FIELDS_BUF_SIZE, DATE_FORMAT, ast_cdr::dcontext, ast_cdr::disposition, ast_cdr::dst, ast_cdr::dstchannel, dummy(), ast_cdr::duration, ast_cdr::end, EVENT_FLAG_CDR, ast_cdr::lastapp, ast_cdr::lastdata, LOG_ERROR, manager_event, pbx_substitute_variables_helper(), ast_cdr::src, ast_cdr::start, ast_cdr::uniqueid, and ast_cdr::userfield.

Referenced by load_config().

00139 {
00140    struct ast_tm timeresult;
00141    char strStartTime[80] = "";
00142    char strAnswerTime[80] = "";
00143    char strEndTime[80] = "";
00144    char buf[CUSTOM_FIELDS_BUF_SIZE];
00145 
00146    if (!enablecdr)
00147       return 0;
00148 
00149    ast_localtime(&cdr->start, &timeresult, NULL);
00150    ast_strftime(strStartTime, sizeof(strStartTime), DATE_FORMAT, &timeresult);
00151 
00152    if (cdr->answer.tv_sec) {
00153       ast_localtime(&cdr->answer, &timeresult, NULL);
00154       ast_strftime(strAnswerTime, sizeof(strAnswerTime), DATE_FORMAT, &timeresult);
00155    }
00156 
00157    ast_localtime(&cdr->end, &timeresult, NULL);
00158    ast_strftime(strEndTime, sizeof(strEndTime), DATE_FORMAT, &timeresult);
00159 
00160    buf[0] = '\0';
00161    ast_rwlock_rdlock(&customfields_lock);
00162    if (customfields && ast_str_strlen(customfields)) {
00163       struct ast_channel *dummy = ast_dummy_channel_alloc();
00164       if (!dummy) {
00165          ast_log(LOG_ERROR, "Unable to allocate channel for variable substitution.\n");
00166          return 0;
00167       }
00168       dummy->cdr = ast_cdr_dup(cdr);
00169       pbx_substitute_variables_helper(dummy, ast_str_buffer(customfields), buf, sizeof(buf) - 1);
00170       ast_channel_unref(dummy);
00171    }
00172    ast_rwlock_unlock(&customfields_lock);
00173 
00174    manager_event(EVENT_FLAG_CDR, "Cdr",
00175        "AccountCode: %s\r\n"
00176        "Source: %s\r\n"
00177        "Destination: %s\r\n"
00178        "DestinationContext: %s\r\n"
00179        "CallerID: %s\r\n"
00180        "Channel: %s\r\n"
00181        "DestinationChannel: %s\r\n"
00182        "LastApplication: %s\r\n"
00183        "LastData: %s\r\n"
00184        "StartTime: %s\r\n"
00185        "AnswerTime: %s\r\n"
00186        "EndTime: %s\r\n"
00187        "Duration: %ld\r\n"
00188        "BillableSeconds: %ld\r\n"
00189        "Disposition: %s\r\n"
00190        "AMAFlags: %s\r\n"
00191        "UniqueID: %s\r\n"
00192        "UserField: %s\r\n"
00193        "%s",
00194        cdr->accountcode, cdr->src, cdr->dst, cdr->dcontext, cdr->clid, cdr->channel,
00195        cdr->dstchannel, cdr->lastapp, cdr->lastdata, strStartTime, strAnswerTime, strEndTime,
00196        cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition),
00197        ast_cdr_flags2str(cdr->amaflags), cdr->uniqueid, cdr->userfield,buf);
00198 
00199    return 0;
00200 }

static int reload ( void   )  [static]

Definition at line 220 of file cdr_manager.c.

References load_config().

00221 {
00222    return load_config(1);
00223 }

static int unload_module ( void   )  [static]

Definition at line 202 of file cdr_manager.c.

References ast_cdr_unregister(), and ast_free.

00203 {
00204    ast_cdr_unregister(name);
00205    if (customfields)
00206       ast_free(customfields);
00207 
00208    return 0;
00209 }


Variable Documentation

struct ast_str* customfields [static]

Definition at line 54 of file cdr_manager.c.

int enablecdr = 0 [static]

Definition at line 52 of file cdr_manager.c.

const char name[] = "cdr_manager" [static]

Definition at line 50 of file cdr_manager.c.


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