/*
 *
 * Copyright (c) 2011-2016 The University of Waikato, Hamilton, New Zealand.
 * All rights reserved.
 *
 * This file is part of libprotoident.
 *
 * This code has been developed by the University of Waikato WAND
 * research group. For further information please see http://www.wand.net.nz/
 *
 * libprotoident is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * libprotoident is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *
 */

#include <string.h>

#include "libprotoident.h"
#include "proto_manager.h"
#include "proto_common.h"

/* Filenori is the most likely candidate for this -- hard to test because
 * you need to pay money to download anything and probably not a good look
 * for me to be paying money for this kind of service...
 */

static inline bool match_100(uint32_t payload, uint32_t len) {

	if (len != 15)
		return false;
	if (MATCHSTR(payload, "100 "))
		return true;
	return false;
}

static inline bool match_command(uint32_t payload, uint32_t len) {

	/* Probably short for START */
	if ((len == 20 || len == 19) && MATCHSTR(payload, "STAR"))
		return true;

	/* DOWNLOAD ? */
	if (len == 39 && MATCHSTR(payload, "DOWN"))
		return true;

	return false;

}

static inline bool match_filenori(lpi_data_t *data, lpi_module_t *mod UNUSED) {

	if (match_100(data->payload[0], data->payload_len[0])) {
		if (match_command(data->payload[1], data->payload_len[1]))
			return true;
	}
	if (match_100(data->payload[1], data->payload_len[1])) {
		if (match_command(data->payload[0], data->payload_len[0]))
			return true;
	}

	return false;
}

static lpi_module_t lpi_filenori = {
	LPI_PROTO_FILENORI,
	LPI_CATEGORY_P2P,
	"Filenori",
	15,
	match_filenori
};

void register_filenori(LPIModuleMap *mod_map) {
	register_protocol(&lpi_filenori, mod_map);
}