/*
 * OpenMRCP - Open Source Media Resource Control Protocol Stack
 * Copyright (C) 2007, Cepstral LLC
 *
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Author(s):
 * Arsen Chaloyan <achaloyan@yahoo.com>
 *
 * Contributor(s):
 *
 */

#include <stdio.h>
#include <apr_uuid.h>
#include "apt_unique_id.h"

/** Generate unique identifier (hex string) */
APT_DECLARE(apt_bool_t) apt_unique_id_generate(apt_unique_id *id, apr_size_t length, apr_pool_t *pool)
{
	char *hex_str;
	apr_size_t i;
	apr_size_t count;
	apr_uuid_t uuid;
	apr_uuid_get(&uuid);
	
	hex_str = apr_palloc(pool,length+1);
	
	count = length / 2;
	if(count > sizeof(uuid)) {
		count = sizeof(uuid);
	}
	for(i=0; i<count; i++) {
		sprintf(hex_str+i*2,"%02x",uuid.data[i]);
	}
	hex_str[length] = '\0';

	id->hex_str = hex_str;
	id->length = length;
	return TRUE;
}