resolved: inroduce dns_txt_item_new_empty() function

[thirdparty/systemd.git] / src / resolve / resolved-manager.c

diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c
index 58fe572d3b9969c7bbfb2fa68c6d05a6498b69da..4292383d21d16dcdc72075ff6ed190cf541bf57c 100644 (file)
--- a/src/resolve/resolved-manager.c
+++ b/src/resolve/resolved-manager.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -519,8 +520,11 @@ static int manager_sigusr1(sd_event_source *s, const struct signalfd_siginfo *si
         _cleanup_free_ char *buffer = NULL;
         _cleanup_fclose_ FILE *f = NULL;
         Manager *m = userdata;
+        DnsServer *server;
         size_t size = 0;
         DnsScope *scope;
+        Iterator i;
+        Link *l;
 
         assert(s);
         assert(si);
@@ -533,6 +537,14 @@ static int manager_sigusr1(sd_event_source *s, const struct signalfd_siginfo *si
         LIST_FOREACH(scopes, scope, m->dns_scopes)
                 dns_scope_dump(scope, f);
 
+        LIST_FOREACH(servers, server, m->dns_servers)
+                dns_server_dump(server, f);
+        LIST_FOREACH(servers, server, m->fallback_dns_servers)
+                dns_server_dump(server, f);
+        HASHMAP_FOREACH(l, m->links, i)
+                LIST_FOREACH(servers, server, l->dns_servers)
+                        dns_server_dump(server, f);
+
         if (fflush_and_check(f) < 0)
                 return log_oom();
 
@@ -552,6 +564,17 @@ static int manager_sigusr2(sd_event_source *s, const struct signalfd_siginfo *si
         return 0;
 }
 
+static int manager_sigrtmin1(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
+        Manager *m = userdata;
+
+        assert(s);
+        assert(si);
+        assert(m);
+
+        manager_reset_server_features(m);
+        return 0;
+}
+
 int manager_new(Manager **ret) {
         _cleanup_(manager_freep) Manager *m = NULL;
         int r;
@@ -616,6 +639,7 @@ int manager_new(Manager **ret) {
 
         (void) sd_event_add_signal(m->event, &m->sigusr1_event_source, SIGUSR1, manager_sigusr1, m);
         (void) sd_event_add_signal(m->event, &m->sigusr2_event_source, SIGUSR2, manager_sigusr2, m);
+        (void) sd_event_add_signal(m->event, &m->sigrtmin1_event_source, SIGRTMIN+1, manager_sigrtmin1, m);
 
         manager_cleanup_saved_user(m);
 
@@ -679,6 +703,7 @@ Manager *manager_free(Manager *m) {
 
         sd_event_source_unref(m->sigusr1_event_source);
         sd_event_source_unref(m->sigusr2_event_source);
+        sd_event_source_unref(m->sigrtmin1_event_source);
 
         sd_event_unref(m->event);
 
@@ -1396,6 +1421,19 @@ void manager_flush_caches(Manager *m) {
         log_info("Flushed all caches.");
 }
 
+void manager_reset_server_features(Manager *m) {
+        Iterator i;
+        Link *l;
+
+        dns_server_reset_features_all(m->dns_servers);
+        dns_server_reset_features_all(m->fallback_dns_servers);
+
+        HASHMAP_FOREACH(l, m->links, i)
+                dns_server_reset_features_all(l->dns_servers);
+
+        log_info("Resetting learnt feature levels on all servers.");
+}
+
 void manager_cleanup_saved_user(Manager *m) {
         _cleanup_closedir_ DIR *d = NULL;
         struct dirent *de;