add support for service subtypes: avahi_server_add_service_subtype()

[catta] / examples / client-browse-services.c

diff --git a/examples/client-browse-services.c b/examples/client-browse-services.c
index 916b12b8e9d65f2238262d4f596cae63e379832f..ac65ac42c1221efb6137f91af638b0a5fce84bfc 100644 (file)
--- a/examples/client-browse-services.c
+++ b/examples/client-browse-services.c
@@ -47,25 +47,46 @@ static void resolve_callback(
     const AvahiAddress *address,
     uint16_t port,
     AvahiStringList *txt,
+    AvahiLookupResultFlags flags,
     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_TIMEOUT:
+        case AVAHI_RESOLVER_NOT_FOUND:
+        case AVAHI_RESOLVER_FAILURE:
+            fprintf(stderr, "(Resolver) Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain,
+                    event == AVAHI_RESOLVER_TIMEOUT ? "TIMEOUT" : (event == AVAHI_RESOLVER_NOT_FOUND ? "NOT_FOUND" : "FAILURE"));
+            break;
 
-        avahi_address_snprint(a, sizeof(a), address);
-        t = avahi_string_list_to_string(txt);
-        fprintf(stderr, "\t%s:%u (%s) TXT=%s (cookie is %u)\n", host_name, port, a, t, avahi_string_list_get_service_cookie(txt));
-        avahi_free(t);
+        case AVAHI_RESOLVER_FOUND: {
+            char a[128], *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"
+                    "\twide_area: %i\n"
+                    "\tmulticast: %i\n"
+                    "\tcached: %i\n",
+                    host_name, port, a,
+                    t,
+                    avahi_string_list_get_service_cookie(txt),
+                    avahi_client_is_service_local(avahi_service_resolver_get_client(r), interface, protocol, name, type, domain),
+                    !!(flags & AVAHI_LOOKUP_RESULT_WIDE_AREA),
+                    !!(flags & AVAHI_LOOKUP_RESULT_MULTICAST),
+                    !!(flags & AVAHI_LOOKUP_RESULT_CACHED));
+                
+            avahi_free(t);
+        }
     }
 
     avahi_service_resolver_free(r);
@@ -79,6 +100,7 @@ static void browse_callback(
     const char *name,
     const char *type,
     const char *domain,
+    AvahiLookupResultFlags flags,
     void* userdata) {
     
     AvahiClient *c = userdata;
@@ -86,21 +108,37 @@ static void browse_callback(
 
     /* 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_service_resolver_new(c, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, resolve_callback, c)))
-            fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_client_errno(c)));
+    switch (event) {
+        case AVAHI_BROWSER_FAILURE:
+        case AVAHI_BROWSER_NOT_FOUND:
+            
+            fprintf(stderr, "(Browser) %s\n", event == AVAHI_BROWSER_FAILURE ? "FAILURE" : "NOT_FOUND");
+            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, void * userdata) {
@@ -116,7 +154,7 @@ static void client_callback(AvahiClient *c, AvahiClientState state, void * userd
 
 int main(int argc, char*argv[]) {
     AvahiClient *client = NULL;
-    AvahiServiceBrowser *sb;
+    AvahiServiceBrowser *sb = NULL;
     int error;
     int ret = 1;
 
@@ -136,7 +174,7 @@ int main(int argc, char*argv[]) {
     }
     
     /* Create the service browser */
-    if (!(sb = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, browse_callback, client))) {
+    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;
     }