• source navigation  • diff markup  • identifier search  • freetext search  • 

Sources/mdnsd/main.c

  1 /*
  2  * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
  3  *
  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
  7  *
  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.
 12  */
 13 
 14 #include <sys/stat.h>
 15 #include <sys/types.h>
 16 
 17 #include <time.h>
 18 #include <stdio.h>
 19 #include <fcntl.h>
 20 #include <getopt.h>
 21 #include <resolv.h>
 22 #include <unistd.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 
 29 #include <libubus.h>
 30 #include <libubox/uloop.h>
 31 
 32 #include "dns.h"
 33 #include "ubus.h"
 34 #include "util.h"
 35 #include "cache.h"
 36 #include "service.h"
 37 #include "announce.h"
 38 #include "interface.h"
 39 
 40 int cfg_proto = 0;
 41 int cfg_no_subnet = 0;
 42 
 43 static struct udebug ud;
 44 static struct udebug_buf udb_log;
 45 static const struct udebug_buf_meta meta_log = {
 46         .name = "umdns_log",
 47         .format = UDEBUG_FORMAT_STRING,
 48 };
 49 
 50 static struct udebug_ubus_ring rings[] = {
 51         {
 52                 .buf = &udb_log,
 53                 .meta = &meta_log,
 54                 .default_entries = 1024,
 55                 .default_size = 64 * 1024,
 56         }
 57 };
 58 
 59 static void
 60 umdns_udebug_vprintf(const char *format, va_list ap)
 61 {
 62         if (!udebug_buf_valid(&udb_log))
 63                 return;
 64 
 65         udebug_entry_init(&udb_log);
 66         udebug_entry_vprintf(&udb_log, format, ap);
 67         udebug_entry_add(&udb_log);
 68 }
 69 
 70 void umdns_udebug_printf(const char *format, ...)
 71 {
 72         va_list ap;
 73 
 74         va_start(ap, format);
 75         umdns_udebug_vprintf(format, ap);
 76         va_end(ap);
 77 }
 78 
 79 
 80 void umdns_udebug_config(struct udebug_ubus *ctx, struct blob_attr *data,
 81                          bool enabled)
 82 {
 83         udebug_ubus_apply_config(&ud, rings, ARRAY_SIZE(rings), data, enabled);
 84 }
 85 
 86 static void
 87 signal_shutdown(int signal)
 88 {
 89         uloop_end();
 90 }
 91 
 92 int
 93 main(int argc, char **argv)
 94 {
 95         int ch, ttl;
 96 
 97         uloop_init();
 98         udebug_init(&ud);
 99         udebug_auto_connect(&ud, NULL);
100 
101         while ((ch = getopt(argc, argv, "t:i:d46n")) != -1) {
102                 switch (ch) {
103                 case 't':
104                         ttl = atoi(optarg);
105                         if (ttl > 0)
106                                 announce_ttl = ttl;
107                         else
108                                 fprintf(stderr, "invalid ttl\n");
109                         break;
110                 case 'd':
111                         debug++;
112                         break;
113                 case 'i':
114                         interface_add(optarg);
115                         break;
116                 case '4':
117                         cfg_proto = 4;
118                         break;
119                 case '6':
120                         cfg_proto = 6;
121                         break;
122                 case 'n':
123                         cfg_no_subnet = 1;
124                         break;
125 
126                 default:
127                         return -1;
128                 }
129         }
130 
131         signal(SIGPIPE, SIG_IGN);
132         signal(SIGTERM, signal_shutdown);
133         signal(SIGKILL, signal_shutdown);
134 
135         if (cache_init())
136                 return -1;
137 
138         ubus_startup();
139 
140         service_init(0);
141 
142         uloop_run();
143         uloop_done();
144 
145         interface_shutdown();
146         cache_cleanup(NULL);
147         service_cleanup();
148         vlist_flush(&interfaces);
149 
150         return 0;
151 }
152 

This page was automatically generated by LXR 0.3.1.  •  OpenWrt