263 lines
6.4 KiB
C
263 lines
6.4 KiB
C
/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2010, James Martelletti <james@nerdc0re.com>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* James Martelletti <james@nerdc0re.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* James Martelletti <james@nerdc0re.com>
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*
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*
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* mod_syslog.c -- System Logging
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*
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*/
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#include <switch.h>
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#include <stdlib.h>
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#include <syslog.h>
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#define DEFAULT_IDENT "freeswitch"
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#define DEFAULT_FACILITY LOG_USER
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#define DEFAULT_LEVEL "warning"
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#define DEFAULT_FORMAT "[message]"
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#define MAX_LENGTH 1024
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SWITCH_MODULE_LOAD_FUNCTION(mod_syslog_load);
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SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_syslog_shutdown);
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SWITCH_MODULE_DEFINITION(mod_syslog, mod_syslog_load, mod_syslog_shutdown, NULL);
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static switch_status_t load_config(void);
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static switch_log_level_t log_level;
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static struct {
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char *ident;
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char *format;
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int facility;
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switch_bool_t log_uuid;
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} globals;
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struct _facility_table_entry {
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char *description;
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int facility;
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};
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_ident, globals.ident);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_format, globals.format);
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switch_status_t set_global_facility(const char *facility)
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{
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const struct _facility_table_entry facilities[] = {
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{"auth", LOG_AUTH},
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#if !defined (__SVR4) && !defined (__sun)
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{"authpriv", LOG_AUTHPRIV},
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{"ftp", LOG_FTP},
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#endif
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{"cron", LOG_CRON},
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{"daemon", LOG_DAEMON},
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{"kern", LOG_KERN},
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{"local0", LOG_LOCAL0},
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{"local1", LOG_LOCAL1},
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{"local2", LOG_LOCAL2},
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{"local3", LOG_LOCAL3},
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{"local4", LOG_LOCAL4},
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{"local5", LOG_LOCAL5},
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{"local6", LOG_LOCAL6},
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{"local7", LOG_LOCAL7},
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{"lpr", LOG_LPR},
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{"mail", LOG_MAIL},
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{"news", LOG_NEWS},
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{"syslog", LOG_SYSLOG},
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{"user", LOG_USER},
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{"uucp", LOG_UUCP},
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{NULL, 0}
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};
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const struct _facility_table_entry *entry = facilities;
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while (!zstr(entry->description)) {
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if (!strcasecmp(entry->description, facility)) {
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globals.facility = entry->facility;
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return SWITCH_STATUS_SUCCESS;
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}
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entry++;
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}
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return SWITCH_STATUS_FALSE;
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}
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static switch_loadable_module_interface_t console_module_interface = {
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/*.module_name */ modname,
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/*.endpoint_interface */ NULL,
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/*.timer_interface */ NULL,
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/*.dialplan_interface */ NULL,
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/*.codec_interface */ NULL,
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/*.application_interface */ NULL,
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/*.api_interface */ NULL,
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/*.file_interface */ NULL,
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/*.speech_interface */ NULL,
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/*.directory_interface */ NULL
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};
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static int find_unprintable(const char *s)
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{
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const char *p;
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for(p = s; p && *p; p++) {
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if (*p < 9 || *p == 27) {
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return 1;
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}
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}
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return 0;
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}
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static switch_status_t mod_syslog_logger(const switch_log_node_t *node, switch_log_level_t level)
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{
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int syslog_level;
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switch (level) {
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case SWITCH_LOG_DEBUG:
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syslog_level = LOG_DEBUG;
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break;
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case SWITCH_LOG_INFO:
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syslog_level = LOG_INFO;
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break;
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case SWITCH_LOG_NOTICE:
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syslog_level = LOG_NOTICE;
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break;
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case SWITCH_LOG_WARNING:
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syslog_level = LOG_WARNING;
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break;
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case SWITCH_LOG_ERROR:
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syslog_level = LOG_ERR;
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break;
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case SWITCH_LOG_CRIT:
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syslog_level = LOG_CRIT;
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break;
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case SWITCH_LOG_ALERT:
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syslog_level = LOG_ALERT;
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break;
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default:
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syslog_level = LOG_NOTICE;
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break;
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}
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/* don't log blank lines */
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if (!zstr(node->data) && (strspn(node->data, " \t\r\n") < strlen(node->data)) && !find_unprintable(node->data)) {
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if (globals.log_uuid && !zstr(node->userdata)) {
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syslog(syslog_level, "%s %s", node->userdata, node->data);
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} else {
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syslog(syslog_level, "%s", node->data);
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}
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}
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t load_config(void)
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{
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char *cf = "syslog.conf";
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switch_xml_t cfg, xml, settings, param;
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/* default log level */
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log_level = SWITCH_LOG_WARNING;
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/* default facility */
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globals.facility = DEFAULT_FACILITY;
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globals.log_uuid = SWITCH_TRUE;
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if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", cf);
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} else {
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if ((settings = switch_xml_child(cfg, "settings"))) {
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for (param = switch_xml_child(settings, "param"); param; param = param->next) {
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char *var = (char *) switch_xml_attr_soft(param, "name");
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char *val = (char *) switch_xml_attr_soft(param, "value");
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if (!strcmp(var, "ident")) {
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set_global_ident(val);
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} else if (!strcmp(var, "format")) {
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set_global_format(val);
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} else if (!strcmp(var, "facility")) {
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set_global_facility(val);
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} else if (!strcasecmp(var, "loglevel") && !zstr(val)) {
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log_level = switch_log_str2level(val);
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if (log_level == SWITCH_LOG_INVALID) {
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log_level = SWITCH_LOG_WARNING;
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}
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} else if (!strcasecmp(var, "uuid")) {
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globals.log_uuid = switch_true(val);
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}
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}
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}
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switch_xml_free(xml);
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}
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if (zstr(globals.ident)) {
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set_global_ident(DEFAULT_IDENT);
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}
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if (zstr(globals.format)) {
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set_global_format(DEFAULT_FORMAT);
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}
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return 0;
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}
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SWITCH_MODULE_LOAD_FUNCTION(mod_syslog_load)
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{
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switch_status_t status;
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*module_interface = &console_module_interface;
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memset(&globals, 0, sizeof(globals));
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if ((status = load_config()) != SWITCH_STATUS_SUCCESS) {
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return status;
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}
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openlog(globals.ident, LOG_PID, globals.facility);
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setlogmask(LOG_UPTO(LOG_DEBUG));
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switch_log_bind_logger(mod_syslog_logger, log_level, SWITCH_FALSE);
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return SWITCH_STATUS_SUCCESS;
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}
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SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_syslog_shutdown)
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{
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closelog();
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switch_safe_free(globals.ident);
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switch_safe_free(globals.format);
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switch_log_unbind_logger(mod_syslog_logger);
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return SWITCH_STATUS_SUCCESS;
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}
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
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*/
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