diff options
Diffstat (limited to 'trunk/examples/core-browse-services.c')
| -rw-r--r-- | trunk/examples/core-browse-services.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/trunk/examples/core-browse-services.c b/trunk/examples/core-browse-services.c deleted file mode 100644 index 53b18ee..0000000 --- a/trunk/examples/core-browse-services.c +++ /dev/null @@ -1,215 +0,0 @@ -/* $Id$ */ - -/* PLEASE NOTE * - * This file demonstrates how to use Avahi's core API, this is - * the embeddable mDNS stack for embedded applications. - * - * End user applications should *not* use this API and should use - * the D-Bus or C APIs, please see - * client-browse-services.c and glib-integration.c - * - * I repeat, you probably do *not* want to use this example. - */ - -/*** - 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-core/core.h> -#include <avahi-core/lookup.h> -#include <avahi-common/simple-watch.h> -#include <avahi-common/malloc.h> -#include <avahi-common/error.h> - -static AvahiSimplePoll *simple_poll = NULL; -static AvahiServer *server = NULL; - -static void resolve_callback( - AvahiSServiceResolver *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_server_errno(server))); - break; - - case AVAHI_RESOLVER_FOUND: { - char a[AVAHI_ADDRESS_STR_MAX], *t; - - fprintf(stderr, "(Resolver) 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" - "\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_WIDE_AREA), - !!(flags & AVAHI_LOOKUP_RESULT_MULTICAST), - !!(flags & AVAHI_LOOKUP_RESULT_CACHED)); - avahi_free(t); - } - } - - avahi_s_service_resolver_free(r); -} - -static void browse_callback( - AvahiSServiceBrowser *b, - AvahiIfIndex interface, - AvahiProtocol protocol, - AvahiBrowserEvent event, - const char *name, - const char *type, - const char *domain, - AVAHI_GCC_UNUSED AvahiLookupResultFlags flags, - void* userdata) { - - AvahiServer *s = 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_server_errno(server))); - 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_s_service_resolver_new(s, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, 0, resolve_callback, s))) - fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_server_errno(s))); - - 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; - } -} - -int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) { - AvahiServerConfig config; - AvahiSServiceBrowser *sb = NULL; - int error; - int ret = 1; - - /* Initialize the psuedo-RNG */ - srand(time(NULL)); - - /* Allocate main loop object */ - if (!(simple_poll = avahi_simple_poll_new())) { - fprintf(stderr, "Failed to create simple poll object.\n"); - goto fail; - } - - /* Do not publish any local records */ - avahi_server_config_init(&config); - config.publish_hinfo = 0; - config.publish_addresses = 0; - config.publish_workstation = 0; - config.publish_domain = 0; - - /* Set a unicast DNS server for wide area DNS-SD */ - 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; - - /* Allocate a new server */ - server = avahi_server_new(avahi_simple_poll_get(simple_poll), &config, NULL, NULL, &error); - - /* Free the configuration data */ - avahi_server_config_free(&config); - - /* Check wether creating the server object succeeded */ - if (!server) { - fprintf(stderr, "Failed to create server: %s\n", avahi_strerror(error)); - goto fail; - } - - /* Create the service browser */ - if (!(sb = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, 0, browse_callback, server))) { - fprintf(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_server_errno(server))); - goto fail; - } - - /* Run the main loop */ - avahi_simple_poll_loop(simple_poll); - - ret = 0; - -fail: - - /* Cleanup things */ - if (sb) - avahi_s_service_browser_free(sb); - - if (server) - avahi_server_free(server); - - if (simple_poll) - avahi_simple_poll_free(simple_poll); - - return ret; -} |