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/*
* Copyright (C) 2014 John Crispin <blogic@openwrt.org>
* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation
*
* This program 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.
*/
#ifndef __MDNS_INTERFACE_H
#define __MDNS_INTERFACE_H
#include <sys/types.h>
#include <sys/uio.h>
#include <arpa/inet.h>
#include <libubox/uloop.h>
#include <libubox/vlist.h>
extern struct vlist_tree interfaces;
#define SOCKTYPE_BIT_IPV6 (1 << 1)
#define SOCKTYPE_BIT_UNICAST (1 << 0)
enum umdns_socket_type {
SOCK_MC_IPV4 = 0,
SOCK_UC_IPV4 = SOCKTYPE_BIT_UNICAST,
SOCK_MC_IPV6 = SOCKTYPE_BIT_IPV6,
SOCK_UC_IPV6 = SOCKTYPE_BIT_IPV6 | SOCKTYPE_BIT_UNICAST,
};
struct interface_addr_list {
union {
struct {
struct in_addr addr, mask;
} *v4;
struct {
struct in6_addr addr, mask;
} *v6;
};
int n_addr;
};
struct interface {
struct vlist_node node;
const char *name;
enum umdns_socket_type type;
bool need_multicast;
int ifindex;
struct interface_addr_list addrs;
struct uloop_timeout announce_timer;
int announce_state;
};
static inline bool interface_multicast(struct interface *iface)
{
return !(iface->type & SOCKTYPE_BIT_UNICAST);
}
static inline bool interface_ipv6(struct interface *iface)
{
return !!(iface->type & SOCKTYPE_BIT_IPV6);
}
int interface_add(const char *name);
int interface_init(void);
void interface_shutdown(void);
int interface_send_packet(struct interface *iface, struct sockaddr *to, struct iovec *iov, int iov_len);
struct interface* interface_get(const char *name, enum umdns_socket_type type);
#endif
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