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-rw-r--r--src/systemd-timesyncd/timesyncd-server.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/src/systemd-timesyncd/timesyncd-server.c b/src/systemd-timesyncd/timesyncd-server.c
new file mode 100644
index 0000000000..42e5c8e429
--- /dev/null
+++ b/src/systemd-timesyncd/timesyncd-server.c
@@ -0,0 +1,151 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Kay Sievers, Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "basic/alloc-util.h"
+
+#include "timesyncd-server.h"
+
+int server_address_new(
+ ServerName *n,
+ ServerAddress **ret,
+ const union sockaddr_union *sockaddr,
+ socklen_t socklen) {
+
+ ServerAddress *a, *tail;
+
+ assert(n);
+ assert(sockaddr);
+ assert(socklen >= offsetof(struct sockaddr, sa_data));
+ assert(socklen <= sizeof(union sockaddr_union));
+
+ a = new0(ServerAddress, 1);
+ if (!a)
+ return -ENOMEM;
+
+ memcpy(&a->sockaddr, sockaddr, socklen);
+ a->socklen = socklen;
+
+ LIST_FIND_TAIL(addresses, n->addresses, tail);
+ LIST_INSERT_AFTER(addresses, n->addresses, tail, a);
+ a->name = n;
+
+ if (ret)
+ *ret = a;
+
+ return 0;
+}
+
+ServerAddress* server_address_free(ServerAddress *a) {
+ if (!a)
+ return NULL;
+
+ if (a->name) {
+ LIST_REMOVE(addresses, a->name->addresses, a);
+
+ if (a->name->manager && a->name->manager->current_server_address == a)
+ manager_set_server_address(a->name->manager, NULL);
+ }
+
+ free(a);
+ return NULL;
+}
+
+int server_name_new(
+ Manager *m,
+ ServerName **ret,
+ ServerType type,
+ const char *string) {
+
+ ServerName *n, *tail;
+
+ assert(m);
+ assert(string);
+
+ n = new0(ServerName, 1);
+ if (!n)
+ return -ENOMEM;
+
+ n->type = type;
+ n->string = strdup(string);
+ if (!n->string) {
+ free(n);
+ return -ENOMEM;
+ }
+
+ if (type == SERVER_SYSTEM) {
+ LIST_FIND_TAIL(names, m->system_servers, tail);
+ LIST_INSERT_AFTER(names, m->system_servers, tail, n);
+ } else if (type == SERVER_LINK) {
+ LIST_FIND_TAIL(names, m->link_servers, tail);
+ LIST_INSERT_AFTER(names, m->link_servers, tail, n);
+ } else if (type == SERVER_FALLBACK) {
+ LIST_FIND_TAIL(names, m->fallback_servers, tail);
+ LIST_INSERT_AFTER(names, m->fallback_servers, tail, n);
+ } else
+ assert_not_reached("Unknown server type");
+
+ n->manager = m;
+
+ if (type != SERVER_FALLBACK &&
+ m->current_server_name &&
+ m->current_server_name->type == SERVER_FALLBACK)
+ manager_set_server_name(m, NULL);
+
+ log_debug("Added new server %s.", string);
+
+ if (ret)
+ *ret = n;
+
+ return 0;
+}
+
+ServerName *server_name_free(ServerName *n) {
+ if (!n)
+ return NULL;
+
+ server_name_flush_addresses(n);
+
+ if (n->manager) {
+ if (n->type == SERVER_SYSTEM)
+ LIST_REMOVE(names, n->manager->system_servers, n);
+ else if (n->type == SERVER_LINK)
+ LIST_REMOVE(names, n->manager->link_servers, n);
+ else if (n->type == SERVER_FALLBACK)
+ LIST_REMOVE(names, n->manager->fallback_servers, n);
+ else
+ assert_not_reached("Unknown server type");
+
+ if (n->manager->current_server_name == n)
+ manager_set_server_name(n->manager, NULL);
+ }
+
+ log_debug("Removed server %s.", n->string);
+
+ free(n->string);
+ free(n);
+
+ return NULL;
+}
+
+void server_name_flush_addresses(ServerName *n) {
+ assert(n);
+
+ while (n->addresses)
+ server_address_free(n->addresses);
+}