more ttl related changes. prereq for goodbye messages

Signed-off-by: John Crispin <blogic@openwrt.org>

diff --git a/dns.c b/dns.c
index 6fac7d19f440df32fb76ae3467d821834778ab1f..0d192acf8faa439ffb3dbbef8af6d4aa2140a941 100644 (file)
--- a/dns.c
+++ b/dns.c
@@ -325,12 +325,12 @@ parse_question(struct interface *iface, char *name, struct dns_question *q)
        switch (q->type) {
        case TYPE_ANY:
                if (!strcmp(name, mdns_hostname_local))
-                       service_reply(iface, NULL);
+                       service_reply(iface, NULL, announce_ttl);
                break;
 
        case TYPE_PTR:
                service_announce_services(iface, name);
-               service_reply(iface, name);
+               service_reply(iface, name, announce_ttl);
                break;
 
        case TYPE_AAAA:
@@ -339,7 +339,7 @@ parse_question(struct interface *iface, char *name, struct dns_question *q)
                if (host)
                        *host = '\0';
                if (!strcmp(mdns_hostname, name))
-                       service_reply_a(iface, q->type);
+                       service_reply_a(iface, q->type, announce_ttl);
                break;
        };
 }

diff --git a/service.c b/service.c
index e4ec319c7deb950def9526fcd314a24de616bd1c..bd361324348d5fc65e024271b93f2c48b2ee4381 100644 (file)
--- 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);
                        }
                }
        }
@@ -155,7 +155,7 @@ service_reply_a(struct interface *iface, int type)
 }
 
 void
-service_reply(struct interface *iface, const char *match)
+service_reply(struct interface *iface, const char *match, int ttl)
 {
        struct service *s;
 
@@ -172,20 +172,20 @@ service_reply(struct interface *iface, const char *match)
                        continue;
 
                dns_init_answer();
-               service_add_ptr(service_name(s->service));
+               service_add_ptr(service_name(s->service), ttl);
                dns_send_answer(iface, service);
 
                dns_init_answer();
-               service_add_srv(s);
+               service_add_srv(s, ttl);
                if (s->txt && s->txt_len)
-                       dns_add_answer(TYPE_TXT, (uint8_t *) s->txt, s->txt_len, announce_ttl);
+                       dns_add_answer(TYPE_TXT, (uint8_t *) s->txt, s->txt_len, ttl);
                dns_send_answer(iface, host);
        }
 
        if (match)
                return;
 
-       service_reply_a(iface, TYPE_A);
+       service_reply_a(iface, TYPE_A, ttl);
 }
 
 void
@@ -206,12 +206,12 @@ 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);
        }
 }
 

diff --git a/service.h b/service.h
index 734e711979413b5405944d342a0ca40023b2b6fc..cc49abe23424d4f58ec8d907a7ed37f028523244 100644 (file)
--- a/service.h
+++ b/service.h
@@ -18,7 +18,7 @@ extern void service_init(void);
 extern void service_cleanup(void);
 extern void service_announce(struct interface *iface);
 extern void service_announce_services(struct interface *iface, const char *service);
-extern void service_reply(struct interface *iface, const char *match);
-extern void service_reply_a(struct interface *iface, int type);
+extern void service_reply(struct interface *iface, const char *match, int ttl);
+extern void service_reply_a(struct interface *iface, int type, int ttl);
 
 #endif