add dns-srv.hh to distribution

[catta] / avahi-core / browse-domain.c

diff --git a/avahi-core/browse-domain.c b/avahi-core/browse-domain.c
index 03219e438dff71a03e6d1e8c04e9804eb7c5855f..507446970b13e39140eb0c0adb897b1a1fc53003 100644 (file)
--- a/avahi-core/browse-domain.c
+++ b/avahi-core/browse-domain.c
@@ -31,93 +31,112 @@
 
 struct AvahiSDomainBrowser {
     AvahiServer *server;
-    char *domain_name;
     
     AvahiSRecordBrowser *record_browser;
-
+    
     AvahiSDomainBrowserCallback callback;
     void* userdata;
 
     AVAHI_LLIST_FIELDS(AvahiSDomainBrowser, browser);
 };
 
-static void record_browser_callback(AvahiSRecordBrowser*rr, AvahiIfIndex interface, AvahiProtocol protocol, AvahiBrowserEvent event, AvahiRecord *record, void* userdata) {
+static void record_browser_callback(
+    AvahiSRecordBrowser*rr,
+    AvahiIfIndex interface,
+    AvahiProtocol protocol,
+    AvahiBrowserEvent event,
+    AvahiRecord *record,
+    AvahiLookupResultFlags flags,
+    void* userdata) {
+    
     AvahiSDomainBrowser *b = userdata;
-    char *n;
+    char *n = NULL;
 
     assert(rr);
-    assert(record);
     assert(b);
 
-    assert(record->key->type == AVAHI_DNS_TYPE_PTR);
-
-    n = avahi_normalize_name(record->data.ptr.name);
-    b->callback(b, interface, protocol, event, n, b->userdata);
-    avahi_free(n);
+    /* Filter flags */
+    flags &= AVAHI_LOOKUP_RESULT_CACHED | AVAHI_LOOKUP_RESULT_MULTICAST | AVAHI_LOOKUP_RESULT_WIDE_AREA;
+    
+    if (record) {
+        assert(record->key->type == AVAHI_DNS_TYPE_PTR);
+        n = record->data.ptr.name;
+    }
+        
+    b->callback(b, interface, protocol, event, n, flags, b->userdata);
 }
 
-AvahiSDomainBrowser *avahi_s_domain_browser_new(AvahiServer *server, AvahiIfIndex interface, AvahiProtocol protocol, const char *domain, AvahiDomainBrowserType type, AvahiSDomainBrowserCallback callback, void* userdata) {
+AvahiSDomainBrowser *avahi_s_domain_browser_new(
+    AvahiServer *server,
+    AvahiIfIndex interface,
+    AvahiProtocol protocol,
+    const char *domain,
+    AvahiDomainBrowserType type,
+    AvahiLookupFlags flags,
+    AvahiSDomainBrowserCallback callback,
+    void* userdata) {
+
+    static const char * const type_table[AVAHI_DOMAIN_BROWSER_MAX] = {
+        "r",
+        "dr",
+        "b",
+        "db",
+        "lb"
+    };
+    
     AvahiSDomainBrowser *b;
-    AvahiKey *k;
-    char *n = NULL;
+    AvahiKey *k = NULL;
+    char n[AVAHI_DOMAIN_NAME_MAX];
+    int r;
     
     assert(server);
     assert(callback);
-    assert(type >= AVAHI_DOMAIN_BROWSER_BROWSE && type <= AVAHI_DOMAIN_BROWSER_BROWSE_LEGACY);
 
-    if (domain && !avahi_is_valid_domain_name(domain)) {
-        avahi_server_set_errno(server, AVAHI_ERR_INVALID_DOMAIN_NAME);
+    AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
+    AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_PROTO_VALID(protocol), AVAHI_ERR_INVALID_PROTOCOL);
+    AVAHI_CHECK_VALIDITY_RETURN_NULL(server, type < AVAHI_DOMAIN_BROWSER_MAX, AVAHI_ERR_INVALID_FLAGS);
+    AVAHI_CHECK_VALIDITY_RETURN_NULL(server, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME);
+    AVAHI_CHECK_VALIDITY_RETURN_NULL(server, AVAHI_FLAGS_VALID(flags, AVAHI_LOOKUP_USE_WIDE_AREA|AVAHI_LOOKUP_USE_MULTICAST), AVAHI_ERR_INVALID_FLAGS);
+
+    if (!domain)
+        domain = server->domain_name;
+
+    if ((r = avahi_service_name_join(n, sizeof(n), type_table[type], "_dns-sd._udp", domain)) < 0) {
+        avahi_server_set_errno(server, r);
         return NULL;
     }
-
+    
     if (!(b = avahi_new(AvahiSDomainBrowser, 1))) {
         avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
         return NULL;
     }
     
     b->server = server;
-    b->domain_name = avahi_normalize_name(domain ? domain : "local");
     b->callback = callback;
     b->userdata = userdata;
+    b->record_browser = NULL;
 
     AVAHI_LLIST_PREPEND(AvahiSDomainBrowser, browser, server->domain_browsers, b);
 
-    switch (type) {
-        case AVAHI_DOMAIN_BROWSER_BROWSE:
-            n = avahi_strdup_printf("b._dns-sd._udp.%s", b->domain_name);
-            break;
-        case AVAHI_DOMAIN_BROWSER_BROWSE_DEFAULT:
-            n = avahi_strdup_printf("db._dns-sd._udp.%s", b->domain_name);
-            break;
-        case AVAHI_DOMAIN_BROWSER_REGISTER:
-            n = avahi_strdup_printf("r._dns-sd._udp.%s", b->domain_name);
-            break;
-        case AVAHI_DOMAIN_BROWSER_REGISTER_DEFAULT:
-            n = avahi_strdup_printf("dr._dns-sd._udp.%s", b->domain_name);
-            break;
-        case AVAHI_DOMAIN_BROWSER_BROWSE_LEGACY:
-            n = avahi_strdup_printf("lb._dns-sd._udp.%s", b->domain_name);
-            break;
-
-        case AVAHI_DOMAIN_BROWSER_MAX:
-            assert(0);
-            break;
+    if (!(k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR))) {
+        avahi_server_set_errno(server, AVAHI_ERR_NO_MEMORY);
+        goto fail;
     }
-
-    assert(n);
-
-    k = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR);
-    avahi_free(n);
     
-    b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, record_browser_callback, b);
-    avahi_key_unref(k);
-
-    if (!b->record_browser) {
-        avahi_s_domain_browser_free(b);
-        return NULL;
-    }
+    if (!(b->record_browser = avahi_s_record_browser_new(server, interface, protocol, k, flags, record_browser_callback, b)))
+        goto fail;
     
+    avahi_key_unref(k);
     return b;
+    
+fail:
+    
+    if (k)
+        avahi_key_unref(k);
+    
+    avahi_s_domain_browser_free(b);
+    
+    return NULL;
 }
 
 void avahi_s_domain_browser_free(AvahiSDomainBrowser *b) {
@@ -128,6 +147,5 @@ void avahi_s_domain_browser_free(AvahiSDomainBrowser *b) {
     if (b->record_browser)
         avahi_s_record_browser_free(b->record_browser);
     
-    avahi_free(b->domain_name);
     avahi_free(b);
 }