[Asterisk-cvs] asterisk/cdr cdr_custom.c, NONE, 1.1 Makefile, 1.26, 1.27

[markster at lists.digium.com]

Update of /usr/cvsroot/asterisk/cdr
In directory mongoose.digium.com:/tmp/cvs-serv31769/cdr

Modified Files:
	Makefile 
Added Files:
	cdr_custom.c 
Log Message:
Add custom CDR (bug #3595)


--- NEW FILE: cdr_custom.c ---
/*
 * Asterisk -- A telephony toolkit for Linux.
 *
 * Comma Separated Value CDR records.
 * 
 * Copyright (C) 1999 - 2005, Digium, inc 
 *
 * Mark Spencer <markster at digium.com>
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License.
 *
 * Includes code and algorithms from the Zapata library.
 *
 */

#include <sys/types.h>
#include <asterisk/channel.h>
#include <asterisk/cdr.h>
#include <asterisk/module.h>
#include <asterisk/config.h>
#include <asterisk/channel_pvt.h>
#include <asterisk/pbx.h>
#include <asterisk/logger.h>
#include <asterisk/utils.h>
#include "../asterisk.h"
#include "../astconf.h"

#define CUSTOM_LOG_DIR "/cdr_custom"

#define DATE_FORMAT "%Y-%m-%d %T"

#include <stdio.h>
#include <string.h>
#include <errno.h>

#include <stdlib.h>
#include <unistd.h>
#include <time.h>

AST_MUTEX_DEFINE_STATIC(lock);

static char *desc = "Customizable Comma Separated Values CDR Backend";

static char *name = "cdr-custom";

static FILE *mf = NULL;

static char master[AST_CONFIG_MAX_PATH];
static char format[1024]="";

static int load_config(int reload) 
{
	struct ast_config *cfg;
	struct ast_variable *var;
	int res = -1;

	strcpy(format, "");
	strcpy(master, "");
	if((cfg = ast_config_load("cdr_custom.conf"))) {
		var = ast_variable_browse(cfg, "mappings");
		while(var) {
			ast_mutex_lock(&lock);
			if (!ast_strlen_zero(var->name) && !ast_strlen_zero(var->value)) {
				strncpy(format, var->value, sizeof(format) - 2);
				strcat(format,"\n");
				snprintf(master, sizeof(master),"%s/%s/%s", ast_config_AST_LOG_DIR, name, var->name);
				ast_mutex_unlock(&lock);
			} else
				ast_log(LOG_NOTICE, "Mapping must have both filename and format at line %d\n", var->lineno);
			if (var->next)
				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); 
			var = var->next;
		}
		ast_config_destroy(cfg);
	}
	
	return res;
}



static int custom_log(struct ast_cdr *cdr)
{
	/* Make sure we have a big enough buf */
	char buf[2048];
	struct ast_channel dummy;

	/* Abort if no master file is specified */
	if (ast_strlen_zero(master))
		return 0;

	memset(buf, 0 , sizeof(buf));
	/* Quite possibly the first use of a static struct ast_channel, we need it so the var funcs will work */
	memset(&dummy, 0, sizeof(dummy));
	dummy.cdr = cdr;
	pbx_substitute_variables_helper(&dummy, format, buf, sizeof(buf) - 1);

	/* because of the absolutely unconditional need for the
	   highest reliability possible in writing billing records,
	   we open write and close the log file each time */
	mf = fopen(master, "a");
	if (!mf) {
		ast_log(LOG_ERROR, "Unable to re-open master file %s : %s\n", master, strerror(errno));
	}
	if (mf) {
		fputs(buf, mf);
		fflush(mf); /* be particularly anal here */
		fclose(mf);
		mf = NULL;
	}
	return 0;
}

char *description(void)
{
	return desc;
}

int unload_module(void)
{
	if (mf)
		fclose(mf);
	ast_cdr_unregister(name);
	return 0;
}

int load_module(void)
{
	int res;

	res = load_config(0);
	if (!res)
		res = ast_cdr_register(name, desc, custom_log);
	if (res) {
		ast_log(LOG_ERROR, "Unable to register custom CDR handling\n");
		res = 0;
		if (mf)
			fclose(mf);
	}
	return res;
}

int reload(void)
{
	return load_config(1);
}

int usecount(void)
{
	return 0;
}

char *key()
{
	return ASTERISK_GPL_KEY;
}

Index: Makefile
===================================================================
RCS file: /usr/cvsroot/asterisk/cdr/Makefile,v
retrieving revision 1.26
retrieving revision 1.27
diff -u -d -r1.26 -r1.27
--- Makefile	31 Aug 2004 16:33:00 -0000	1.26
+++ Makefile	24 Mar 2005 21:57:42 -0000	1.27
@@ -12,7 +12,7 @@
 #
 
 #ADD cdr_pgsql.so to MODS= to include PostgreSQL support: REQUIRES PostgreSQL libs
-MODS=cdr_csv.so cdr_manager.so
+MODS=cdr_csv.so cdr_manager.so cdr_custom.so
 
 
 CFLAGS+=-fPIC