/*
 * nap.c
 */

/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2008 Maksim Yevmenkin <m_evmenkin@yahoo.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: nap.c,v 1.1 2008/03/11 00:02:42 max Exp $
 */

#include <sys/queue.h>
#define L2CAP_SOCKET_CHECKED
#include <bluetooth.h>
#include <sdp.h>
#include <string.h>
#include "profile.h"
#include "provider.h"

static int32_t
nap_profile_create_service_class_id_list(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	static uint16_t	service_classes[] = {
		SDP_SERVICE_CLASS_NAP
	};

	return (common_profile_create_service_class_id_list(
			buf, eob,
			(uint8_t const *) service_classes,
			sizeof(service_classes)));
}

static int32_t
nap_profile_create_bluetooth_profile_descriptor_list(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	static uint16_t	profile_descriptor_list[] = {
		SDP_SERVICE_CLASS_NAP,
		0x0100
	};

	return (common_profile_create_bluetooth_profile_descriptor_list(
			buf, eob,
			(uint8_t const *) profile_descriptor_list,
			sizeof(profile_descriptor_list)));
}

static int32_t
nap_profile_create_service_name(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	static char	service_name[] = "Network Access Point";

	return (common_profile_create_string8(
			buf, eob,
			(uint8_t const *) service_name, strlen(service_name)));
}

static int32_t
nap_profile_create_service_description(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	static char	service_descr[] = "Personal Ad-hoc Network Service";

	return (common_profile_create_string8(
			buf, eob,
			(uint8_t const *) service_descr,
			strlen(service_descr)));
}

static int32_t
nap_profile_create_protocol_descriptor_list(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	provider_p		provider = (provider_p) data; 
	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data; 

	return (bnep_profile_create_protocol_descriptor_list(
			buf, eob, (uint8_t const *) &nap->psm,
			sizeof(nap->psm))); 
}

static int32_t
nap_profile_create_security_description(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	provider_p		provider = (provider_p) data; 
	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data; 

	return (bnep_profile_create_security_description(buf, eob,
			(uint8_t const *) &nap->security_description,
			sizeof(nap->security_description)));
}

static int32_t
nap_profile_create_net_access_type(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	provider_p		provider = (provider_p) data; 
	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data; 

	if (buf + 3 > eob)
		return (-1);

	SDP_PUT8(SDP_DATA_UINT16, buf);
	SDP_PUT16(nap->net_access_type, buf);

	return (3);
}

static int32_t
nap_profile_create_max_net_access_rate(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	provider_p		provider = (provider_p) data; 
	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data; 

	if (buf + 3 > eob)
		return (-1);

	SDP_PUT8(SDP_DATA_UINT16, buf);
	SDP_PUT16(nap->max_net_access_rate, buf);

	return (3);
}

static int32_t
nap_profile_create_service_availability(
		uint8_t *buf, uint8_t const * const eob,
		uint8_t const *data, uint32_t datalen)
{
	provider_p		provider = (provider_p) data; 
	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data; 

	return (common_profile_create_service_availability(buf, eob,
			&nap->load_factor, 1));
}

static int32_t
nap_profile_data_valid(uint8_t const *data, uint32_t datalen)
{
	sdp_nap_profile_p	nap = (sdp_nap_profile_p) data;

	return ((nap->psm == 0)? 0 : 1);
}

static attr_t	nap_profile_attrs[] = {
	{ SDP_ATTR_SERVICE_RECORD_HANDLE,
	  common_profile_create_service_record_handle },
	{ SDP_ATTR_SERVICE_CLASS_ID_LIST,
	  nap_profile_create_service_class_id_list },
	{ SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
	  nap_profile_create_protocol_descriptor_list },
	{ SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST,
	  common_profile_create_language_base_attribute_id_list },
	{ SDP_ATTR_SERVICE_AVAILABILITY,
	  nap_profile_create_service_availability },
	{ SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST,
	  nap_profile_create_bluetooth_profile_descriptor_list },
	{ SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET, 
	  nap_profile_create_service_name },
	{ SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET, 
	  nap_profile_create_service_description },
	{ SDP_ATTR_SECURITY_DESCRIPTION, 
	  nap_profile_create_security_description },
	{ SDP_ATTR_NET_ACCESS_TYPE, 
	  nap_profile_create_net_access_type },
	{ SDP_ATTR_MAX_NET_ACCESS_RATE, 
	  nap_profile_create_max_net_access_rate },
	{ 0, NULL } /* end entry */
};

profile_t	nap_profile_descriptor = {
	SDP_SERVICE_CLASS_NAP,
	sizeof(sdp_nap_profile_t),
	nap_profile_data_valid,
	(attr_t const * const) &nap_profile_attrs
};

