* the embeddable mDNS stack for embedded applications.
*
* End user applications should *not* use this API and should use
- * the DBUS or C APIs, please see
+ * 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.
#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,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
+ AVAHI_GCC_UNUSED AvahiIfIndex interface,
+ AVAHI_GCC_UNUSED AvahiProtocol protocol,
AvahiResolverEvent event,
const char *name,
const char *type,
const AvahiAddress *address,
uint16_t port,
AvahiStringList *txt,
- void* userdata) {
+ AvahiLookupResultFlags flags,
+ AVAHI_GCC_UNUSED void* userdata) {
assert(r);
/* Called whenever a service has been resolved successfully or timed out */
- if (event == AVAHI_RESOLVER_TIMEOUT)
- fprintf(stderr, "Failed to resolve service '%s' of type '%s' in domain '%s'.\n", name, type, domain);
- else {
- char a[128], *t;
-
- assert(event == AVAHI_RESOLVER_FOUND);
-
- fprintf(stderr, "Service '%s' of type '%s' in domain '%s':\n", name, type, domain);
+ 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;
- avahi_address_snprint(a, sizeof(a), address);
- t = avahi_string_list_to_string(txt);
- fprintf(stderr, "\t%s:%u (%s) TXT=%s\n", host_name, port, a, t);
- avahi_free(t);
+ 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);
}
const char *name,
const char *type,
const char *domain,
+ AVAHI_GCC_UNUSED AvahiLookupResultFlags flags,
void* userdata) {
AvahiServer *s = userdata;
/* Called whenever a new services becomes available on the LAN or is removed from the LAN */
- fprintf(stderr, "%s: service '%s' of type '%s' in domain '%s'\n",
- event == AVAHI_BROWSER_NEW ? "NEW" : "REMOVED",
- name,
- type,
- domain);
-
- /* If it's new, let's resolve it */
- if (event == AVAHI_BROWSER_NEW)
-
- /* 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, resolve_callback, s)))
- fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_server_errno(s)));
+ 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(int argc, char*argv[]) {
+int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
AvahiServerConfig config;
- AvahiServer *server = NULL;
- AvahiSServiceBrowser *sb;
+ AvahiSServiceBrowser *sb = NULL;
int error;
int ret = 1;
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);
}
/* Create the service browser */
- if (!(sb = avahi_s_service_browser_new(server, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, browse_callback, server))) {
+ 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 */
- for (;;)
- if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
- break;
+ avahi_simple_poll_loop(simple_poll);
ret = 0;
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