summaryrefslogtreecommitdiffstats
path: root/avahi-core/avahi-test.c
blob: 0490c84972256e88466ddbfb9d964581499f2b05 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
/* $Id$ */

/***
  This file is part of avahi.
 
  avahi 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 2.1 of the
  License, or (at your option) any later version.
 
  avahi 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 avahi; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA.
***/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>

#include <avahi-common/malloc.h>
#include <avahi-common/simple-watch.h>
#include <avahi-common/alternative.h>
#include <avahi-core/core.h>
#include <avahi-core/log.h>
#include <avahi-core/publish.h>
#include <avahi-core/lookup.h>

static AvahiSEntryGroup *group = NULL;
static AvahiServer *server = NULL;
static char *service_name = NULL;

static const AvahiPoll *poll_api;

static void quit_timeout_callback(AvahiTimeout *timeout, void* userdata) {
    AvahiSimplePoll *simple_poll = userdata;

    avahi_simple_poll_quit(simple_poll);
}

static void dump_line(const char *text, void* userdata) {
    printf("%s\n", text);
}

static void dump_timeout_callback(AvahiTimeout *timeout, void* userdata) {
    struct timeval tv;
    
    AvahiServer *avahi = userdata;
    avahi_server_dump(avahi, dump_line, NULL);

    avahi_elapse_time(&tv, 5000, 0);
    poll_api->timeout_update(timeout, &tv);
}

static const char *browser_event_to_string(AvahiBrowserEvent event) {
    switch (event) {
        case AVAHI_BROWSER_NEW : return "NEW";
        case AVAHI_BROWSER_REMOVE : return "REMOVE";
        case AVAHI_BROWSER_CACHE_EXHAUSTED : return "CACHE_EXHAUSTED";
        case AVAHI_BROWSER_ALL_FOR_NOW : return "ALL_FOR_NOW";
        case AVAHI_BROWSER_FAILURE : return "FAILURE";
        case AVAHI_BROWSER_NOT_FOUND : return "NOT_FOUND";
    }

    abort();
}

static const char *resolver_event_to_string(AvahiResolverEvent event) {
    switch (event) {
        case AVAHI_RESOLVER_FOUND: return "FOUND";
        case AVAHI_RESOLVER_TIMEOUT: return "TIMEOUT";
        case AVAHI_RESOLVER_NOT_FOUND: return "NOT_FOUND";
        case AVAHI_RESOLVER_FAILURE: return "FAILURE";
    }
    abort();
}

static void record_browser_callback(
    AvahiSRecordBrowser *r,
    AvahiIfIndex interface,
    AvahiProtocol protocol,
    AvahiBrowserEvent event,
    AvahiRecord *record,
    AvahiLookupResultFlags flags,
    void* userdata) {
    char *t;
    
    assert(r);

    if (record) {
        avahi_log_debug("RB: record [%s] on %i.%i is %s", t = avahi_record_to_string(record), interface, protocol, browser_event_to_string(event));
        avahi_free(t);
    } else
        avahi_log_debug("RB: [%s]", browser_event_to_string(event));

}

static void remove_entries(void);
static void create_entries(int new_name);

static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata) {
    avahi_log_debug("entry group state: %i", state); 

    if (state == AVAHI_ENTRY_GROUP_COLLISION) {
        remove_entries();
        create_entries(1);
        avahi_log_debug("Service name conflict, retrying with <%s>", service_name);
    } else if (state == AVAHI_ENTRY_GROUP_ESTABLISHED) {
        avahi_log_debug("Service established under name <%s>", service_name);
    }
}

static void server_callback(AvahiServer *s, AvahiServerState state, void* userdata) {

     avahi_log_debug("server state: %i", state); 
    
    if (state == AVAHI_SERVER_RUNNING) {
        avahi_log_debug("Server startup complete. Host name is <%s>. Service cookie is %u", avahi_server_get_host_name_fqdn(s), avahi_server_get_local_service_cookie(s));
        create_entries(0);
    } else if (state == AVAHI_SERVER_COLLISION) {
        char *n;
        remove_entries();

        n = avahi_alternative_host_name(avahi_server_get_host_name(s));

        avahi_log_debug("Host name conflict, retrying with <%s>", n);
        avahi_server_set_host_name(s, n);
        avahi_free(n);
    }
}

static void remove_entries(void) {
    if (group)
        avahi_s_entry_group_reset(group);
}

static void create_entries(int new_name) {
    AvahiAddress a;

    remove_entries();

    if (!group) 
        group = avahi_s_entry_group_new(server, entry_group_callback, NULL);

    assert(avahi_s_entry_group_is_empty(group));
    
    if (!service_name)
        service_name = avahi_strdup("Test Service");
    else if (new_name) {
        char *n = avahi_alternative_service_name(service_name);
        avahi_free(service_name);
        service_name = n;
    }
    
    if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, service_name, "_http._tcp", NULL, NULL, 80, "foo", NULL) < 0) {
        avahi_log_error("Failed to add HTTP service");
        goto fail;
    }

    if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, service_name, "_ftp._tcp", NULL, NULL, 21, "foo", NULL) < 0) {
        avahi_log_error("Failed to add FTP service");
        goto fail;
    }

    if (avahi_server_add_service(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, service_name, "_webdav._tcp", NULL, NULL, 80, "foo", NULL) < 0) {
        avahi_log_error("Failed to add WEBDAV service");
        goto fail;
    }

    if (avahi_server_add_dns_server_address(server, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, AVAHI_DNS_SERVER_RESOLVE, avahi_address_parse("192.168.50.1", AVAHI_PROTO_UNSPEC, &a), 53) < 0) {
        avahi_log_error("Failed to add new DNS Server address");
        goto fail;
    }

    avahi_s_entry_group_commit(group);
    return;

fail:
    if (group)
        avahi_s_entry_group_free(group);

    group = NULL;
}

static void hnr_callback(
    AvahiSHostNameResolver *r,
    AvahiIfIndex iface,
    AvahiProtocol protocol,
    AvahiResolverEvent event,
    const char *hostname,
    const AvahiAddress *a,
    AvahiLookupResultFlags flags,
    void* userdata) {
    char t[64];

    if (a)
        avahi_address_snprint(t, sizeof(t), a);

    avahi_log_debug("HNR: (%i.%i) <%s> -> %s [%s]", iface, protocol, hostname, a ? t : "n/a", resolver_event_to_string(event));
}

static void ar_callback(
    AvahiSAddressResolver *r,
    AvahiIfIndex iface,
    AvahiProtocol protocol,
    AvahiResolverEvent event,
    const AvahiAddress *a,
    const char *hostname,
    AvahiLookupResultFlags flags,
    void* userdata) {
    char t[64];

    avahi_address_snprint(t, sizeof(t), a);

    avahi_log_debug("AR: (%i.%i) %s -> <%s> [%s]", iface, protocol, t, hostname ? hostname : "n/a", resolver_event_to_string(event));
}

static void db_callback(
    AvahiSDomainBrowser *b,
    AvahiIfIndex iface,
    AvahiProtocol protocol,
    AvahiBrowserEvent event,
    const char *domain,
    AvahiLookupResultFlags flags,
    void* userdata) {

    avahi_log_debug("DB: (%i.%i) <%s> [%s]", iface, protocol, domain, browser_event_to_string(event));
}

static void stb_callback(
    AvahiSServiceTypeBrowser *b,
    AvahiIfIndex iface,
    AvahiProtocol protocol,
    AvahiBrowserEvent event,
    const char *service_type,
    const char *domain,
    AvahiLookupResultFlags flags,
    void* userdata) {

    avahi_log_debug("STB: (%i.%i) %s in <%s> [%s]", iface, protocol, service_type, domain, browser_event_to_string(event));
}

static void sb_callback(
    AvahiSServiceBrowser *b,
    AvahiIfIndex iface,
    AvahiProtocol protocol,
    AvahiBrowserEvent event,
    const char *name,
    const char *service_type,
    const char *domain,
    AvahiLookupResultFlags flags,
    void* userdata) {
    avahi_log_debug("SB: (%i.%i) <%s> as %s in <%s> [%s]", iface, protocol, name, service_type, domain, browser_event_to_string(event));
}

static void sr_callback(
    AvahiSServiceResolver *r,
    AvahiIfIndex iface,
    AvahiProtocol protocol,
    AvahiResolverEvent event,
    const char *name,
    const char*service_type,
    const char*domain_name,
    const char*hostname,
    const AvahiAddress *a,
    uint16_t port,
    AvahiStringList *txt,
    AvahiLookupResultFlags flags, 
    void* userdata) {

    if (event != AVAHI_RESOLVER_FOUND)
        avahi_log_debug("SR: (%i.%i) <%s> as %s in <%s> [%s]", iface, protocol, name, service_type, domain_name, resolver_event_to_string(event));
    else {
        char t[64], *s;
        
        avahi_address_snprint(t, sizeof(t), a);

        s = avahi_string_list_to_string(txt);
        avahi_log_debug("SR: (%i.%i) <%s> as %s in <%s>: %s/%s:%i (%s) [%s]", iface, protocol, name, service_type, domain_name, hostname, t, port, s, resolver_event_to_string(event));
        avahi_free(s);
    }
}

static void dsb_callback(
    AvahiSDNSServerBrowser *b,
    AvahiIfIndex iface,
    AvahiProtocol protocol,
    AvahiBrowserEvent event,
    const char*hostname,
    const AvahiAddress *a,
    uint16_t port,
    AvahiLookupResultFlags flags,
    void* userdata) {
    
    char t[64] = "n/a";
    
    if (a)
        avahi_address_snprint(t, sizeof(t), a);

    avahi_log_debug("DSB: (%i.%i): %s/%s:%i [%s]", iface, protocol, hostname, t, port, browser_event_to_string(event));
}

int main(int argc, char *argv[]) {
    AvahiSRecordBrowser *r;
    AvahiSHostNameResolver *hnr;
    AvahiSAddressResolver *ar;
    AvahiKey *k;
    AvahiServerConfig config;
    AvahiAddress a;
    AvahiSDomainBrowser *db;
    AvahiSServiceTypeBrowser *stb;
    AvahiSServiceBrowser *sb;
    AvahiSServiceResolver *sr;
    AvahiSDNSServerBrowser *dsb;
    AvahiSimplePoll *simple_poll;
    int error;
    struct timeval tv;

    simple_poll = avahi_simple_poll_new();
    poll_api = avahi_simple_poll_get(simple_poll);
    
    avahi_server_config_init(&config);

    avahi_address_parse("192.168.50.1", AVAHI_PROTO_UNSPEC, &config.wide_area_servers[0]);
    config.n_wide_area_servers = 1;
    config.enable_wide_area = 1;

    server = avahi_server_new(poll_api, &config, server_callback, NULL, &error);
    avahi_server_config_free(&config);
    
    k = avahi_key_new("_http._tcp.0pointer.de", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR);
    r = avahi_s_record_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, k, 0, record_browser_callback, NULL);
    avahi_key_unref(k);

    hnr = avahi_s_host_name_resolver_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "cocaine.local", AVAHI_PROTO_UNSPEC, 0, hnr_callback, NULL);

    ar = avahi_s_address_resolver_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, avahi_address_parse("192.168.50.1", AVAHI_PROTO_INET, &a), 0, ar_callback, NULL);

    db = avahi_s_domain_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, AVAHI_DOMAIN_BROWSER_BROWSE, 0, db_callback, NULL);

    stb = avahi_s_service_type_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, 0, stb_callback, NULL);

    sb = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, 0, sb_callback, NULL);

    sr = avahi_s_service_resolver_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "Ecstasy HTTP", "_http._tcp", "local", AVAHI_PROTO_UNSPEC, 0, sr_callback, NULL);

    dsb = avahi_s_dns_server_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "local", AVAHI_DNS_SERVER_RESOLVE, AVAHI_PROTO_UNSPEC, 0, dsb_callback, NULL);

    avahi_elapse_time(&tv, 1000*5, 0);
    poll_api->timeout_new(poll_api, &tv, dump_timeout_callback, server);

    avahi_elapse_time(&tv, 1000*60, 0);
    poll_api->timeout_new(poll_api, &tv, quit_timeout_callback, simple_poll);

    for (;;)
        if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
            break;

    avahi_s_record_browser_free(r);
    avahi_s_host_name_resolver_free(hnr);
    avahi_s_address_resolver_free(ar);
    avahi_s_service_type_browser_free(stb);
    avahi_s_service_browser_free(sb);
    avahi_s_service_resolver_free(sr);
    avahi_s_dns_server_browser_free(dsb);

    if (group)
        avahi_s_entry_group_free(group);   

    if (server)
        avahi_server_free(server);

    if (simple_poll)
        avahi_simple_poll_free(simple_poll);

    avahi_free(service_name);
    
    return 0;
}