int avahi_server_dump(AvahiServer *s, AvahiDumpCallback callback, void* userdata) {
AvahiEntry *e;
assert(s);
assert(callback);
callback(";;; ZONE DUMP FOLLOWS ;;;", userdata);
for (e = s->entries; e; e = e->entries_next) {
char *t;
char ln[256];
if (e->dead)
continue;
if (!(t = avahi_record_to_string(e->record)))
return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
snprintf(ln, sizeof(ln), "%s ; iface=%i proto=%i", t, e->interface, e->protocol);
avahi_free(t);
callback(ln, userdata);
}
avahi_dump_caches(s->monitor, callback, userdata);
if (s->wide_area_lookup_engine)
avahi_wide_area_cache_dump(s->wide_area_lookup_engine, callback, userdata);
return AVAHI_OK;
}
void avahi_wide_area_cache_dump(AvahiWideAreaLookupEngine *e, AvahiDumpCallback callback, void* userdata) {
AvahiWideAreaCacheEntry *c;
assert(e);
assert(callback);
callback(";; WIDE AREA CACHE ;;; ", userdata);
for (c = e->cache; c; c = c->cache_next) {
char *t = avahi_record_to_string(c->record);
callback(t, userdata);
avahi_free(t);
}
}
static void dump_callback(void* key, void* data, void* userdata) {
AvahiCacheEntry *e = data;
AvahiKey *k = key;
struct dump_data *dump_data = userdata;
assert(k);
assert(e);
assert(data);
for (; e; e = e->by_key_next) {
char *t;
if (!(t = avahi_record_to_string(e->record)))
continue; /* OOM */
dump_data->callback(t, dump_data->userdata);
avahi_free(t);
}
}
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
char t[AVAHI_DOMAIN_NAME_MAX], *m;
const char *a, *b, *c, *d;
AvahiDnsPacket *p;
AvahiRecord *r, *r2;
uint8_t rdata[AVAHI_DNS_RDATA_MAX];
size_t l;
p = avahi_dns_packet_new(0);
assert(avahi_dns_packet_append_name(p, a = "Ahello.hello.hello.de."));
assert(avahi_dns_packet_append_name(p, b = "Bthis is a test.hello.de."));
assert(avahi_dns_packet_append_name(p, c = "Cthis\\.is\\.a\\.test\\.with\\.dots.hello.de."));
assert(avahi_dns_packet_append_name(p, d = "Dthis\\\\is another test.hello.de."));
avahi_hexdump(AVAHI_DNS_PACKET_DATA(p), p->size);
assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
avahi_log_debug(">%s<", t);
assert(avahi_domain_equal(a, t));
assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
avahi_log_debug(">%s<", t);
assert(avahi_domain_equal(b, t));
assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
avahi_log_debug(">%s<", t);
assert(avahi_domain_equal(c, t));
assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0);
avahi_log_debug(">%s<", t);
assert(avahi_domain_equal(d, t));
avahi_dns_packet_free(p);
/* RDATA PARSING AND SERIALIZATION */
/* Create an AvahiRecord with some usful data */
r = avahi_record_new_full("foobar.local", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_HINFO, AVAHI_DEFAULT_TTL);
assert(r);
r->data.hinfo.cpu = avahi_strdup("FOO");
r->data.hinfo.os = avahi_strdup("BAR");
/* Serialize it into a blob */
assert((l = avahi_rdata_serialize(r, rdata, sizeof(rdata))) != (size_t) -1);
/* Print it */
avahi_hexdump(rdata, l);
/* Create a new record and fill in the data from the blob */
r2 = avahi_record_new(r->key, AVAHI_DEFAULT_TTL);
assert(r2);
assert(avahi_rdata_parse(r2, rdata, l) >= 0);
/* Compare both versions */
assert(avahi_record_equal_no_ttl(r, r2));
/* Free the records */
avahi_record_unref(r);
avahi_record_unref(r2);
r = avahi_record_new_full("foobar", 77, 77, AVAHI_DEFAULT_TTL);
assert(r);
assert(r->data.generic.data = avahi_memdup("HALLO", r->data.generic.size = 5));
m = avahi_record_to_string(r);
assert(m);
avahi_log_debug(">%s<", m);
avahi_free(m);
avahi_record_unref(r);
return 0;
}
