X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=service.c;h=9e2287facb425d332b9435c48fc8a9a4166ac648;hb=757999da757fbf85bb5fec13bd8e4d546f833bfc;hp=e4ec319c7deb950def9526fcd314a24de616bd1c;hpb=c3d01050c03f07d9d6e45747ce6688d9c22d9780;p=project%2Fmdnsd.git

diff --git a/service.c b/service.c
index e4ec319..9e2287f 100644
--- a/service.c
+++ b/service.c
@@ -79,18 +79,18 @@ service_name(const char *domain)
 }
 
 static void
-service_add_ptr(const char *host)
+service_add_ptr(const char *host, int ttl)
 {
 	int len = dn_comp(host, mdns_buf, sizeof(mdns_buf), NULL, NULL);
 
 	if (len < 1)
 		return;
 
-	dns_add_answer(TYPE_PTR, mdns_buf, len, announce_ttl);
+	dns_add_answer(TYPE_PTR, mdns_buf, len, ttl);
 }
 
 static void
-service_add_srv(struct service *s)
+service_add_srv(struct service *s, int ttl)
 {
 	struct dns_srv_data *sd = (struct dns_srv_data *) mdns_buf;
 	int len = sizeof(*sd);
@@ -100,7 +100,7 @@ service_add_srv(struct service *s)
 		return;
 
 	sd->port = cpu_to_be16(s->port);
-	dns_add_answer(TYPE_SRV, mdns_buf, len, announce_ttl);
+	dns_add_answer(TYPE_SRV, mdns_buf, len, ttl);
 }
 
 #define TOUT_LOOKUP	60
@@ -119,7 +119,7 @@ service_timeout(struct service *s)
 }
 
 void
-service_reply_a(struct interface *iface, int type)
+service_reply_a(struct interface *iface, int type, int ttl)
 {
 	struct ifaddrs *ifap, *ifa;
 	struct sockaddr_in *sa;
@@ -136,7 +136,7 @@ service_reply_a(struct interface *iface, int type)
 			sa = (struct sockaddr_in *) ifa->ifa_addr;
 			addr = inet_ntoa(sa->sin_addr);
 			printf("Interface: %s\tAddress4: %s\n", ifa->ifa_name, addr);
-			dns_add_answer(TYPE_A, (uint8_t *) &sa->sin_addr, 4, announce_ttl);
+			dns_add_answer(TYPE_A, (uint8_t *) &sa->sin_addr, 4, ttl);
 		}
 		if (ifa->ifa_addr->sa_family==AF_INET6) {
 			uint8_t ll_prefix[] = {0xfe, 0x80 };
@@ -145,7 +145,7 @@ service_reply_a(struct interface *iface, int type)
 			if (!memcmp(&sa6->sin6_addr, &ll_prefix, 2)) {
 				if (inet_ntop(AF_INET6, &sa6->sin6_addr, buf, 64))
 					printf("Interface: %s\tAddress6: %s\n", ifa->ifa_name, buf);
-				dns_add_answer(TYPE_AAAA, (uint8_t *) &sa6->sin6_addr, 16, announce_ttl);
+				dns_add_answer(TYPE_AAAA, (uint8_t *) &sa6->sin6_addr, 16, ttl);
 			}
 		}
 	}
@@ -154,38 +154,43 @@ service_reply_a(struct interface *iface, int type)
 	freeifaddrs(ifap);
 }
 
-void
-service_reply(struct interface *iface, const char *match)
+static void
+service_reply_single(struct interface *iface, struct service *s, const char *match, int ttl)
 {
-	struct service *s;
+	const char *host = service_name(s->service);
+	char *service = strstr(host, "._");
 
-	vlist_for_each_element(&services, s, node) {
-		const char *host = service_name(s->service);
-		char *service = strstr(host, "._");
+	if (!s->active || !service || !service_timeout(s))
+		return;
 
-		if (!s->active || !service || !service_timeout(s))
-			continue;
+	service++;
 
-		service++;
+	if (match && strcmp(match, s->service))
+		return;
 
-		if (match && strcmp(match, s->service))
-			continue;
+	dns_init_answer();
+	service_add_ptr(service_name(s->service), ttl);
+	dns_send_answer(iface, service);
 
-		dns_init_answer();
-		service_add_ptr(service_name(s->service));
-		dns_send_answer(iface, service);
+	dns_init_answer();
+	service_add_srv(s, ttl);
+	if (s->txt && s->txt_len)
+		dns_add_answer(TYPE_TXT, (uint8_t *) s->txt, s->txt_len, ttl);
+	dns_send_answer(iface, host);
+}
 
-		dns_init_answer();
-		service_add_srv(s);
-		if (s->txt && s->txt_len)
-			dns_add_answer(TYPE_TXT, (uint8_t *) s->txt, s->txt_len, announce_ttl);
-		dns_send_answer(iface, host);
-	}
+void
+service_reply(struct interface *iface, const char *match, int ttl)
+{
+	struct service *s;
+
+	vlist_for_each_element(&services, s, node)
+		service_reply_single(iface, s, match, ttl);
 
 	if (match)
 		return;
 
-	service_reply_a(iface, TYPE_A);
+	service_reply_a(iface, TYPE_A, ttl);
 }
 
 void
@@ -206,12 +211,12 @@ service_announce_services(struct interface *iface, const char *service)
 			continue;
 		s->t = 0;
 		dns_init_answer();
-		service_add_ptr(s->service);
+		service_add_ptr(s->service, announce_ttl);
 		if (tcp)
 			dns_send_answer(iface, sdtcp);
 		else
 			dns_send_answer(iface, sdudp);
-		service_reply(iface, s->service);
+		service_reply(iface, s->service, announce_ttl);
 	}
 }
 
@@ -226,12 +231,18 @@ static void
 service_update(struct vlist_tree *tree, struct vlist_node *node_new,
 	       struct vlist_node *node_old)
 {
+	struct interface *iface;
 	struct service *s;
 
 	if (!node_old)
 		return;
 
 	s = container_of(node_old, struct service, node);
+
+	if (!node_new)
+		vlist_for_each_element(&interfaces, iface, node)
+			service_reply_single(iface, s, NULL, 0);
+
 	free(s);
 }