iface.h

/*
 * Copyright (C) 2015-2017 Tobias Klauser <tklauser@distanz.ch>
 *
 * This file is part of llmnrd.
 *
 * llmnrd is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2 of the License.
 *
 * llmnrd 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with llmnrd.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef IFACE_H
#define IFACE_H

#include <stdbool.h>
#include <sys/socket.h>

enum iface_event_type {
	IFACE_ADD,
	IFACE_DEL,
};

typedef void (*iface_event_handler_t)(enum iface_event_type, unsigned char af,
				      unsigned int ifindex);

int iface_init(int sock, const char *iface, bool ipv6,
		iface_event_handler_t event_handler);
int iface_recv(int sock);

size_t iface_addr_lookup(unsigned int ifindex, unsigned char family,
			 struct sockaddr_storage *addrs, size_t addrs_size);

#endif /* IFACE_H */