who really need it. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@89466 65c4cc65-6c06-0410-ace0-fbb531ad65f3
170 lines
4.2 KiB
C
170 lines
4.2 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* Includes code and algorithms from the Zapata library.
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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 Custom Comma Separated Value CDR records.
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \arg See also \ref AstCDR
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*
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* Logs in LOG_DIR/cdr_custom
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* \ingroup cdr_drivers
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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/paths.h" /* use ast_config_AST_LOG_DIR */
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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/config.h"
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#include "asterisk/pbx.h"
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#include "asterisk/utils.h"
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#define CUSTOM_LOG_DIR "/cdr_custom"
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#define DATE_FORMAT "%Y-%m-%d %T"
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AST_MUTEX_DEFINE_STATIC(lock);
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static char *name = "cdr-custom";
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static FILE *mf = NULL;
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static char master[PATH_MAX];
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static char format[1024]="";
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static int load_config(int reload)
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{
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struct ast_config *cfg;
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struct ast_variable *var;
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struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
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int res = -1;
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if ((cfg = ast_config_load("cdr_custom.conf", config_flags)) == CONFIG_STATUS_FILEUNCHANGED)
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return 0;
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strcpy(format, "");
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strcpy(master, "");
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ast_mutex_lock(&lock);
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if (cfg) {
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var = ast_variable_browse(cfg, "mappings");
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while(var) {
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if (!ast_strlen_zero(var->name) && !ast_strlen_zero(var->value)) {
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if (strlen(var->value) > (sizeof(format) - 1))
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ast_log(LOG_WARNING, "Format string too long, will be truncated, at line %d\n", var->lineno);
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ast_copy_string(format, var->value, sizeof(format) - 1);
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strcat(format,"\n");
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snprintf(master, sizeof(master),"%s/%s/%s", ast_config_AST_LOG_DIR, name, var->name);
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if (var->next) {
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ast_log(LOG_NOTICE, "Sorry, only one mapping is supported at this time, mapping '%s' will be ignored at line %d.\n", var->next->name, var->next->lineno);
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break;
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}
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} else
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ast_log(LOG_NOTICE, "Mapping must have both filename and format at line %d\n", var->lineno);
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var = var->next;
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}
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ast_config_destroy(cfg);
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res = 0;
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} else {
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if (reload)
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ast_log(LOG_WARNING, "Failed to reload configuration file.\n");
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else
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ast_log(LOG_WARNING, "Failed to load configuration file. Module not activated.\n");
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}
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ast_mutex_unlock(&lock);
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return res;
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}
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static int custom_log(struct ast_cdr *cdr)
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{
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/* Make sure we have a big enough buf */
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char buf[2048];
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struct ast_channel dummy;
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/* Abort if no master file is specified */
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if (ast_strlen_zero(master))
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return 0;
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/* Quite possibly the first use of a static struct ast_channel, we need it so the var funcs will work */
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memset(&dummy, 0, sizeof(dummy));
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dummy.cdr = cdr;
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pbx_substitute_variables_helper(&dummy, format, buf, sizeof(buf) - 1);
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/* because of the absolutely unconditional need for the
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highest reliability possible in writing billing records,
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we open write and close the log file each time */
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mf = fopen(master, "a");
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if (!mf) {
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ast_log(LOG_ERROR, "Unable to re-open master file %s : %s\n", master, strerror(errno));
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}
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if (mf) {
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fputs(buf, mf);
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fflush(mf); /* be particularly anal here */
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fclose(mf);
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mf = NULL;
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}
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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 (mf)
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fclose(mf);
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ast_cdr_unregister(name);
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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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int res = 0;
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if (!load_config(0)) {
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res = ast_cdr_register(name, ast_module_info->description, custom_log);
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if (res)
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ast_log(LOG_ERROR, "Unable to register custom CDR handling\n");
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if (mf)
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fclose(mf);
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return res;
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} else
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return AST_MODULE_LOAD_DECLINE;
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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_DEFAULT, "Customizable Comma Separated Values 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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);
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