+++ /dev/null
-/***
- 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 <stdio.h>
-#include <assert.h>
-#include <stdlib.h>
-#include <time.h>
-
-#include <avahi-client/client.h>
-#include <avahi-client/lookup.h>
-
-#include <avahi-common/simple-watch.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/error.h>
-
-static AvahiSimplePoll *simple_poll = NULL;
-
-static void resolve_callback(
- AvahiServiceResolver *r,
- AVAHI_GCC_UNUSED AvahiIfIndex interface,
- AVAHI_GCC_UNUSED AvahiProtocol protocol,
- AvahiResolverEvent event,
- const char *name,
- const char *type,
- const char *domain,
- const char *host_name,
- const AvahiAddress *address,
- uint16_t port,
- AvahiStringList *txt,
- AvahiLookupResultFlags flags,
- AVAHI_GCC_UNUSED void* userdata) {
-
- assert(r);
-
- /* Called whenever a service has been resolved successfully or timed out */
-
- switch (event) {
- case AVAHI_RESOLVER_FAILURE:
- fprintf(stderr, "(Resolver) Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, avahi_strerror(avahi_client_errno(avahi_service_resolver_get_client(r))));
- break;
-
- case AVAHI_RESOLVER_FOUND: {
- char a[AVAHI_ADDRESS_STR_MAX], *t;
-
- fprintf(stderr, "Service '%s' of type '%s' in domain '%s':\n", name, type, domain);
-
- avahi_address_snprint(a, sizeof(a), address);
- t = avahi_string_list_to_string(txt);
- fprintf(stderr,
- "\t%s:%u (%s)\n"
- "\tTXT=%s\n"
- "\tcookie is %u\n"
- "\tis_local: %i\n"
- "\tour_own: %i\n"
- "\twide_area: %i\n"
- "\tmulticast: %i\n"
- "\tcached: %i\n",
- host_name, port, a,
- t,
- avahi_string_list_get_service_cookie(txt),
- !!(flags & AVAHI_LOOKUP_RESULT_LOCAL),
- !!(flags & AVAHI_LOOKUP_RESULT_OUR_OWN),
- !!(flags & AVAHI_LOOKUP_RESULT_WIDE_AREA),
- !!(flags & AVAHI_LOOKUP_RESULT_MULTICAST),
- !!(flags & AVAHI_LOOKUP_RESULT_CACHED));
-
- avahi_free(t);
- }
- }
-
- avahi_service_resolver_free(r);
-}
-
-static void browse_callback(
- AvahiServiceBrowser *b,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- AvahiBrowserEvent event,
- const char *name,
- const char *type,
- const char *domain,
- AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
- void* userdata) {
-
- AvahiClient *c = userdata;
- assert(b);
-
- /* Called whenever a new services becomes available on the LAN or is removed from the LAN */
-
- switch (event) {
- case AVAHI_BROWSER_FAILURE:
-
- fprintf(stderr, "(Browser) %s\n", avahi_strerror(avahi_client_errno(avahi_service_browser_get_client(b))));
- avahi_simple_poll_quit(simple_poll);
- return;
-
- case AVAHI_BROWSER_NEW:
- fprintf(stderr, "(Browser) NEW: service '%s' of type '%s' in domain '%s'\n", name, type, domain);
-
- /* We ignore the returned resolver object. In the callback
- function we free it. If the server is terminated before
- the callback function is called the server will free
- the resolver for us. */
-
- if (!(avahi_service_resolver_new(c, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, 0, resolve_callback, c)))
- fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_client_errno(c)));
-
- break;
-
- case AVAHI_BROWSER_REMOVE:
- fprintf(stderr, "(Browser) REMOVE: service '%s' of type '%s' in domain '%s'\n", name, type, domain);
- break;
-
- case AVAHI_BROWSER_ALL_FOR_NOW:
- case AVAHI_BROWSER_CACHE_EXHAUSTED:
- fprintf(stderr, "(Browser) %s\n", event == AVAHI_BROWSER_CACHE_EXHAUSTED ? "CACHE_EXHAUSTED" : "ALL_FOR_NOW");
- break;
- }
-}
-
-static void client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UNUSED void * userdata) {
- assert(c);
-
- /* Called whenever the client or server state changes */
-
- if (state == AVAHI_CLIENT_FAILURE) {
- fprintf(stderr, "Server connection failure: %s\n", avahi_strerror(avahi_client_errno(c)));
- avahi_simple_poll_quit(simple_poll);
- }
-}
-
-int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
- AvahiClient *client = NULL;
- AvahiServiceBrowser *sb = NULL;
- int error;
- int ret = 1;
-
- /* Allocate main loop object */
- if (!(simple_poll = avahi_simple_poll_new())) {
- fprintf(stderr, "Failed to create simple poll object.\n");
- goto fail;
- }
-
- /* Allocate a new client */
- client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error);
-
- /* Check wether creating the client object succeeded */
- if (!client) {
- fprintf(stderr, "Failed to create client: %s\n", avahi_strerror(error));
- goto fail;
- }
-
- /* Create the service browser */
- if (!(sb = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, 0, browse_callback, client))) {
- fprintf(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_client_errno(client)));
- goto fail;
- }
-
- /* Run the main loop */
- avahi_simple_poll_loop(simple_poll);
-
- ret = 0;
-
-fail:
-
- /* Cleanup things */
- if (sb)
- avahi_service_browser_free(sb);
-
- if (client)
- avahi_client_free(client);
-
- if (simple_poll)
- avahi_simple_poll_free(simple_poll);
-
- return ret;
-}
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