2 * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
15 #include <sys/types.h>
23 #include <sys/types.h>
24 #include <arpa/inet.h>
25 #include <sys/socket.h>
26 #include <netinet/in.h>
27 #include <arpa/nameser.h>
28 #include <asm/byteorder.h>
31 #include <libubox/usock.h>
32 #include <libubox/uloop.h>
33 #include <libubox/avl-cmp.h>
41 #include "interface.h"
43 static struct uloop_timeout reconnect
;
44 char *iface_name
= "eth0";
47 read_socket(struct uloop_fd
*u
, unsigned int events
)
49 struct interface
*iface
= container_of(u
, struct interface
, fd
);
50 static uint8_t buffer
[8 * 1024];
57 uloop_timeout_set(&reconnect
, 1000);
61 len
= read(u
->fd
, buffer
, sizeof(buffer
));
63 fprintf(stderr
, "read failed: %s\n", strerror(errno
));
67 dns_handle_packet(iface
, buffer
, len
);
71 reconnect_socket(struct uloop_timeout
*timeout
)
73 cur_iface
->fd
.fd
= usock(USOCK_UDP
| USOCK_SERVER
| USOCK_NONBLOCK
, MCAST_ADDR
, "5353");
74 if (cur_iface
->fd
.fd
< 0) {
75 fprintf(stderr
, "failed to add listener: %s\n", strerror(errno
));
76 uloop_timeout_set(&reconnect
, 1000);
78 if (interface_socket_setup(cur_iface
)) {
79 uloop_timeout_set(&reconnect
, 1000);
80 cur_iface
->fd
.fd
= -1;
84 uloop_fd_add(&cur_iface
->fd
, ULOOP_READ
);
86 dns_send_question(cur_iface
, "_services._dns-sd._udp.local", TYPE_PTR
);
87 announce_init(cur_iface
);
92 main(int argc
, char **argv
)
96 while ((ch
= getopt(argc
, argv
, "h:t:i:d")) != -1) {
106 fprintf(stderr
, "invalid ttl\n");
122 if (interface_add(iface_name
)) {
123 fprintf(stderr
, "Failed to add interface %s\n", iface_name
);
137 cur_iface
->fd
.cb
= read_socket
;
138 reconnect
.cb
= reconnect_socket
;
140 uloop_timeout_set(&reconnect
, 100);