X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fiface.c;h=39a860ae7cc9eff13ec8bd3678d9e57904afcb90;hb=0b78399f4f9d4b3cd53bf9f0ee923c1001bc2645;hp=38dfde1bd7850c105e617dbb6177ff335e4e57ee;hpb=1d74250dcd65768655d643010d4b884596d3fcc0;p=catta

diff --git a/avahi-core/iface.c b/avahi-core/iface.c
index 38dfde1..39a860a 100644
--- a/avahi-core/iface.c
+++ b/avahi-core/iface.c
@@ -90,12 +90,12 @@ void avahi_interface_address_update_rrs(AvahiInterfaceAddress *a, int remove_rrs
             char t[AVAHI_ADDRESS_STR_MAX];
             avahi_address_snprint(t, sizeof(t), &a->address);
 
+            avahi_log_info("Withdrawing address record for %s on %s.", t, a->interface->hardware->name);
+
             if (avahi_s_entry_group_get_state(a->entry_group) == AVAHI_ENTRY_GROUP_REGISTERING &&
                 m->server->state == AVAHI_SERVER_REGISTERING)
                 avahi_server_decrease_host_rr_pending(m->server);
 
-            avahi_log_info("Withdrawing address record for %s on %s.", t, a->interface->hardware->name);
-
             avahi_s_entry_group_reset(a->entry_group);
         }
     }
@@ -151,7 +151,10 @@ void avahi_hw_interface_update_rrs(AvahiHwInterface *hw, int remove_rrs) {
 
         if (hw->entry_group && !avahi_s_entry_group_is_empty(hw->entry_group)) {
 
-            if (avahi_s_entry_group_get_state(hw->entry_group) == AVAHI_ENTRY_GROUP_REGISTERING)
+            avahi_log_info("Withdrawing workstation service for %s.", hw->name);
+
+            if (avahi_s_entry_group_get_state(hw->entry_group) == AVAHI_ENTRY_GROUP_REGISTERING &&
+                m->server->state == AVAHI_SERVER_REGISTERING)
                 avahi_server_decrease_host_rr_pending(m->server);
 
             avahi_s_entry_group_reset(hw->entry_group);
@@ -387,6 +390,9 @@ AvahiHwInterface *avahi_hw_interface_new(AvahiInterfaceMonitor *m, AvahiIfIndex
     hw->index = idx;
     hw->mac_address_size = 0;
     hw->entry_group = NULL;
+    hw->ratelimit_begin.tv_sec = 0;
+    hw->ratelimit_begin.tv_usec = 0;
+    hw->ratelimit_counter = 0;
 
     AVAHI_LLIST_HEAD_INIT(AvahiInterface, hw->interfaces);
     AVAHI_LLIST_PREPEND(AvahiHwInterface, hardware, m->hw_interfaces, hw);
@@ -568,6 +574,27 @@ void avahi_interface_send_packet_unicast(AvahiInterface *i, AvahiDnsPacket *p, c
 
     assert(!a || a->proto == i->protocol);
 
+    if (i->monitor->server->config.ratelimit_interval > 0) {
+        struct timeval now, end;
+
+        gettimeofday(&now, NULL);
+
+        end = i->hardware->ratelimit_begin;
+        avahi_timeval_add(&end, i->monitor->server->config.ratelimit_interval);
+
+        if (i->hardware->ratelimit_begin.tv_sec <= 0 ||
+            avahi_timeval_compare(&end, &now) < 0) {
+
+            i->hardware->ratelimit_begin = now;
+            i->hardware->ratelimit_counter = 0;
+        }
+
+        if (i->hardware->ratelimit_counter > i->monitor->server->config.ratelimit_burst)
+            return;
+
+        i->hardware->ratelimit_counter++;
+    }
+
     if (i->protocol == AVAHI_PROTO_INET && i->monitor->server->fd_ipv4 >= 0)
         avahi_send_dns_packet_ipv4(i->monitor->server->fd_ipv4, i->hardware->index, p, i->mcast_joined ? &i->local_mcast_address.data.ipv4 : NULL, a ? &a->data.ipv4 : NULL, port);
     else if (i->protocol == AVAHI_PROTO_INET6 && i->monitor->server->fd_ipv6 >= 0)