This patch makes it so that CDR backends cannot be unregistered while active CDR records exist. This helps to prevent billing data from being lost during restarts and shutdowns. Review: https://reviewboard.asterisk.org/r/2880/ ........ Merged revisions 402081 from http://svn.asterisk.org/svn/asterisk/branches/12 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@402082 65c4cc65-6c06-0410-ace0-fbb531ad65f3
250 lines
6.1 KiB
C
250 lines
6.1 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2004 - 2005
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*!
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* \file
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* \brief Asterisk Call Manager CDR records.
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*
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* See also
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* \arg \ref AstCDR
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* \arg \ref AstAMI
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* \arg \ref Config_ami
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* \ingroup cdr_drivers
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*/
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/*! \li \ref cdr_manager.c uses the configuration file \ref cdr_manager.conf
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* \addtogroup configuration_file Configuration Files
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*/
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/*!
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* \page cdr_manager.conf cdr_manager.conf
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* \verbinclude cdr_manager.conf.sample
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <time.h>
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#include "asterisk/channel.h"
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#include "asterisk/cdr.h"
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#include "asterisk/module.h"
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#include "asterisk/utils.h"
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#include "asterisk/manager.h"
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#include "asterisk/config.h"
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#include "asterisk/pbx.h"
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#define DATE_FORMAT "%Y-%m-%d %T"
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#define CONF_FILE "cdr_manager.conf"
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#define CUSTOM_FIELDS_BUF_SIZE 1024
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static const char name[] = "cdr_manager";
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static int enablecdr = 0;
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static struct ast_str *customfields;
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AST_RWLOCK_DEFINE_STATIC(customfields_lock);
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static int manager_log(struct ast_cdr *cdr);
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static int load_config(int reload)
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{
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char *cat = NULL;
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struct ast_config *cfg;
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struct ast_variable *v;
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struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
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int newenablecdr = 0;
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cfg = ast_config_load(CONF_FILE, config_flags);
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if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
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return 0;
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}
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if (cfg == CONFIG_STATUS_FILEINVALID) {
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ast_log(LOG_ERROR, "Config file '%s' could not be parsed\n", CONF_FILE);
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return -1;
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}
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if (!cfg) {
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/* Standard configuration */
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ast_log(LOG_WARNING, "Failed to load configuration file. Module not activated.\n");
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if (enablecdr) {
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ast_cdr_backend_suspend(name);
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}
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enablecdr = 0;
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return -1;
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}
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if (reload) {
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ast_rwlock_wrlock(&customfields_lock);
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}
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if (reload && customfields) {
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ast_free(customfields);
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customfields = NULL;
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}
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while ( (cat = ast_category_browse(cfg, cat)) ) {
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if (!strcasecmp(cat, "general")) {
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v = ast_variable_browse(cfg, cat);
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while (v) {
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if (!strcasecmp(v->name, "enabled"))
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newenablecdr = ast_true(v->value);
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v = v->next;
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}
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} else if (!strcasecmp(cat, "mappings")) {
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customfields = ast_str_create(CUSTOM_FIELDS_BUF_SIZE);
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v = ast_variable_browse(cfg, cat);
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while (v) {
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if (customfields && !ast_strlen_zero(v->name) && !ast_strlen_zero(v->value)) {
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if ((ast_str_strlen(customfields) + strlen(v->value) + strlen(v->name) + 14) < ast_str_size(customfields)) {
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ast_str_append(&customfields, -1, "%s: ${CDR(%s)}\r\n", v->value, v->name);
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ast_log(LOG_NOTICE, "Added mapping %s: ${CDR(%s)}\n", v->value, v->name);
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} else {
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ast_log(LOG_WARNING, "No more buffer space to add other custom fields\n");
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break;
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}
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}
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v = v->next;
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}
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}
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}
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if (reload) {
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ast_rwlock_unlock(&customfields_lock);
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}
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ast_config_destroy(cfg);
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if (!newenablecdr) {
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ast_cdr_backend_suspend(name);
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} else if (newenablecdr) {
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ast_cdr_backend_unsuspend(name);
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}
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enablecdr = newenablecdr;
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return 0;
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}
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static int manager_log(struct ast_cdr *cdr)
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{
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struct ast_tm timeresult;
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char strStartTime[80] = "";
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char strAnswerTime[80] = "";
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char strEndTime[80] = "";
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char buf[CUSTOM_FIELDS_BUF_SIZE];
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if (!enablecdr)
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return 0;
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ast_localtime(&cdr->start, &timeresult, NULL);
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ast_strftime(strStartTime, sizeof(strStartTime), DATE_FORMAT, &timeresult);
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if (cdr->answer.tv_sec) {
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ast_localtime(&cdr->answer, &timeresult, NULL);
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ast_strftime(strAnswerTime, sizeof(strAnswerTime), DATE_FORMAT, &timeresult);
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}
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ast_localtime(&cdr->end, &timeresult, NULL);
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ast_strftime(strEndTime, sizeof(strEndTime), DATE_FORMAT, &timeresult);
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buf[0] = '\0';
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ast_rwlock_rdlock(&customfields_lock);
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if (customfields && ast_str_strlen(customfields)) {
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struct ast_channel *dummy = ast_dummy_channel_alloc();
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if (!dummy) {
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ast_log(LOG_ERROR, "Unable to allocate channel for variable substitution.\n");
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return 0;
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}
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ast_channel_cdr_set(dummy, ast_cdr_dup(cdr));
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pbx_substitute_variables_helper(dummy, ast_str_buffer(customfields), buf, sizeof(buf) - 1);
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ast_channel_unref(dummy);
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}
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ast_rwlock_unlock(&customfields_lock);
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manager_event(EVENT_FLAG_CDR, "Cdr",
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"AccountCode: %s\r\n"
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"Source: %s\r\n"
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"Destination: %s\r\n"
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"DestinationContext: %s\r\n"
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"CallerID: %s\r\n"
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"Channel: %s\r\n"
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"DestinationChannel: %s\r\n"
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"LastApplication: %s\r\n"
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"LastData: %s\r\n"
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"StartTime: %s\r\n"
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"AnswerTime: %s\r\n"
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"EndTime: %s\r\n"
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"Duration: %ld\r\n"
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"BillableSeconds: %ld\r\n"
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"Disposition: %s\r\n"
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"AMAFlags: %s\r\n"
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"UniqueID: %s\r\n"
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"UserField: %s\r\n"
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"%s",
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cdr->accountcode, cdr->src, cdr->dst, cdr->dcontext, cdr->clid, cdr->channel,
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cdr->dstchannel, cdr->lastapp, cdr->lastdata, strStartTime, strAnswerTime, strEndTime,
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cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition),
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ast_channel_amaflags2string(cdr->amaflags), cdr->uniqueid, cdr->userfield,buf);
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return 0;
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}
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static int unload_module(void)
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{
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if (ast_cdr_unregister(name)) {
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return -1;
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}
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if (customfields)
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ast_free(customfields);
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return 0;
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}
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static int load_module(void)
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{
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if (ast_cdr_register(name, "Asterisk Manager Interface CDR Backend", manager_log)) {
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return AST_MODULE_LOAD_DECLINE;
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}
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if (load_config(0)) {
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ast_cdr_unregister(name);
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return AST_MODULE_LOAD_DECLINE;
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}
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return AST_MODULE_LOAD_SUCCESS;
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}
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static int reload(void)
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{
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return load_config(1);
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Asterisk Manager Interface CDR Backend",
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.load = load_module,
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.unload = unload_module,
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.reload = reload,
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.load_pri = AST_MODPRI_CDR_DRIVER,
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);
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