* acl (named_acl.c) * cdr * cel * ccss * dnsmgr * dsp * enum * extconfig (config.c) * features * http * indications * logger * manager * plc * sounds * udptl These modules are now loaded at appropriate time by the module loader. Unlike loadable modules these use AST_MODULE_LOAD_FAILURE on error so the module loader will abort startup on failure of these modules. Some of these modules are still initialized or shutdown from outside the module loader. logger.c is initialized very early and shutdown very late, manager.c is initialized by the module loader but is shutdown by the Asterisk core (too much uses it without holding references). Change-Id: I371a9a45064f20026c492623ea8062d02a1ab97f
277 lines
7.3 KiB
C
277 lines
7.3 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2017, Greenfield Technologies Ltd.
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*
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* Nir Simionovich <nirs@greenfieldtech.net>
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* who freely borrowed code from the cel manager equivalents
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* (see cel/cel_manager.c)
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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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/*! \file
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*
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* \brief Asterisk Channel Event Beanstalkd backend
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*
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* This module requires the beanstalk-client library, avaialble from
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* https://github.com/deepfryed/beanstalk-client
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*
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* See also
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* \arg \ref AstCEL
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* \ingroup cel_drivers
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*/
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/*! \li \ref cek_beanstalkd.c uses the configuration file \ref cel.conf
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* \addtogroup configuration_file Configuration Files
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*/
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/*!
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* \page cel.conf cel.conf
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* \verbinclude cel.conf.sample
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*/
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/*** MODULEINFO
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<depend>beanstalk</depend>
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<support_level>extended</support_level>
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***/
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#include "asterisk.h"
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#include "asterisk/channel.h"
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#include "asterisk/cel.h"
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#include "asterisk/module.h"
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#include "asterisk/logger.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/json.h"
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#include "beanstalk.h"
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static const char DATE_FORMAT[] = "%Y-%m-%d %T";
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static const char CONF_FILE[] = "cel_beanstalkd.conf";
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/*! \brief Beanstalk CEL is off by default */
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#define CEL_BEANSTALK_ENABLED_DEFAULT 0
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static int enablecel;
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/*! \brief show_user_def is off by default */
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#define CEL_SHOW_USERDEF_DEFAULT 0
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#define CEL_BACKEND_NAME "Beanstalk Event Logging"
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#define BEANSTALK_JOB_SIZE 4096
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#define BEANSTALK_JOB_PRIORITY 99
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#define BEANSTALK_JOB_TTR 60
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#define BEANSTALK_JOB_DELAY 0
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#define DEFAULT_BEANSTALK_HOST "127.0.0.1"
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#define DEFAULT_BEANSTALK_PORT 11300
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#define DEFAULT_BEANSTALK_TUBE "asterisk-cel"
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static char *bs_host;
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static int bs_port;
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static char *bs_tube;
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static int priority;
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AST_RWLOCK_DEFINE_STATIC(config_lock);
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static void cel_bs_put(struct ast_event *event)
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{
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struct ast_tm timeresult;
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char start_time[80];
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char *cel_buffer;
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int bs_id;
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int bs_socket;
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struct ast_json *t_cel_json;
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struct ast_cel_event_record record = {
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.version = AST_CEL_EVENT_RECORD_VERSION,
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};
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if (!enablecel) {
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return;
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}
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if (ast_cel_fill_record(event, &record)) {
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return;
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}
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ast_rwlock_rdlock(&config_lock);
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bs_socket = bs_connect(bs_host, bs_port);
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if (bs_use(bs_socket, bs_tube) != BS_STATUS_OK) {
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ast_log(LOG_ERROR, "Connection to Beanstalk tube %s @ %s:%d had failed", bs_tube, bs_host, bs_port);
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ast_rwlock_unlock(&config_lock);
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return;
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}
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ast_localtime(&record.event_time, &timeresult, NULL);
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ast_strftime(start_time, sizeof(start_time), DATE_FORMAT, &timeresult);
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ast_rwlock_unlock(&config_lock);
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t_cel_json = ast_json_pack("{s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s, s:s}",
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"EventName", S_OR(record.event_name, ""),
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"AccountCode", S_OR(record.account_code, ""),
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"CallerIDnum", S_OR(record.caller_id_num, ""),
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"CallerIDname", S_OR(record.caller_id_name, ""),
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"CallerIDani", S_OR(record.caller_id_ani, ""),
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"CallerIDrdnis", S_OR(record.caller_id_rdnis, ""),
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"CallerIDdnid", S_OR(record.caller_id_dnid, ""),
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"Exten", S_OR(record.extension, ""),
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"Context", S_OR(record.context, ""),
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"Channel", S_OR(record.channel_name, ""),
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"Application", S_OR(record.application_name, ""),
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"AppData", S_OR(record.application_data, ""),
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"EventTime", S_OR(start_time, ""),
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"AMAFlags", S_OR(ast_channel_amaflags2string(record.amaflag), ""),
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"UniqueID", S_OR(record.unique_id, ""),
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"LinkedID", S_OR(record.linked_id, ""),
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"Userfield", S_OR(record.user_field, ""),
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"Peer", S_OR(record.peer_account, ""),
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"PeerAccount", S_OR(record.peer_account, ""),
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"Extra", S_OR(record.extra, "")
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);
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cel_buffer = ast_json_dump_string(t_cel_json);
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ast_json_unref(t_cel_json);
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bs_id = bs_put(bs_socket, priority, BEANSTALK_JOB_DELAY, BEANSTALK_JOB_TTR, cel_buffer, strlen(cel_buffer));
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if (bs_id > 0) {
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ast_log(LOG_DEBUG, "Successfully created job %d with %s\n", bs_id, cel_buffer);
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} else {
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ast_log(LOG_ERROR, "CDR job creation failed for %s\n", cel_buffer);
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}
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bs_disconnect(bs_socket);
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ast_json_free(cel_buffer);
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}
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static int load_config(int reload)
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{
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const char *cat = NULL;
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struct ast_config *cfg;
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struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
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struct ast_variable *v;
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int newenablecel = CEL_BEANSTALK_ENABLED_DEFAULT;
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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_WARNING, "Configuration file '%s' is invalid. CEL Beanstalkd Module not activated.\n",
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CONF_FILE);
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return -1;
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} else if (!cfg) {
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ast_log(LOG_WARNING, "Failed to load configuration file. CEL Beanstalkd Module not activated.\n");
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if (enablecel) {
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ast_cel_backend_unregister(CEL_BACKEND_NAME);
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}
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enablecel = 0;
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return -1;
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}
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if (reload) {
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ast_rwlock_wrlock(&config_lock);
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ast_free(bs_host);
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ast_free(bs_tube);
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}
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/* Bootstrap the default configuration */
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bs_host = ast_strdup(DEFAULT_BEANSTALK_HOST);
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bs_port = DEFAULT_BEANSTALK_PORT;
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bs_tube = ast_strdup(DEFAULT_BEANSTALK_TUBE);
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priority = BEANSTALK_JOB_PRIORITY;
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while ((cat = ast_category_browse(cfg, cat))) {
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if (strcasecmp(cat, "general")) {
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continue;
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}
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for (v = ast_variable_browse(cfg, cat); v; v = v->next) {
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if (!strcasecmp(v->name, "enabled")) {
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newenablecel = ast_true(v->value) ? 1 : 0;
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} else if (!strcasecmp(v->name, "host")) {
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ast_free(bs_host);
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bs_host = ast_strdup(v->value);
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} else if (!strcasecmp(v->name, "port")) {
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bs_port = atoi(v->value);
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} else if (!strcasecmp(v->name, "tube")) {
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ast_free(bs_tube);
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bs_tube = ast_strdup(v->value);
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} else if (!strcasecmp(v->name, "priority")) {
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priority = atoi(v->value);
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} else {
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ast_log(LOG_NOTICE, "Unknown option '%s' specified "
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"for CEL beanstalk backend.\n", v->name);
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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(&config_lock);
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}
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ast_config_destroy(cfg);
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if (enablecel && !newenablecel) {
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ast_cel_backend_unregister(CEL_BACKEND_NAME);
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} else if (!enablecel && newenablecel) {
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if (ast_cel_backend_register(CEL_BACKEND_NAME, cel_bs_put)) {
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ast_log(LOG_ERROR, "Unable to register Beanstalkd CEL handling\n");
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}
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}
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enablecel = newenablecel;
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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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ast_cel_backend_unregister(CEL_BACKEND_NAME);
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ast_free(bs_host);
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ast_free(bs_tube);
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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 (load_config(0)) {
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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, "Beanstalkd CEL Backend",
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.support_level = AST_MODULE_SUPPORT_EXTENDED,
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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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.requires = "cel",
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);
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