timesyncd: read server settings from a configuration file

Also, allow compiling in a default server list via a configure command
line item.

1 files changed, 97 insertions, 0 deletions

diff --git a/src/timesync/timesyncd.h b/src/timesync/timesyncd.h
new file mode 100644
index 0000000000..6dd1388ea8
--- /dev/null
+++ b/src/timesync/timesyncd.h
@@ -0,0 +1,97 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+  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 "list.h"
+#include "socket-util.h"
+#include "ratelimit.h"
+#include "sd-event.h"
+#include "sd-resolve.h"
+
+typedef struct Manager Manager;
+typedef struct ServerAddress ServerAddress;
+typedef struct ServerName ServerName;
+
+struct ServerAddress {
+        union sockaddr_union sockaddr;
+        socklen_t socklen;
+        LIST_FIELDS(ServerAddress, addresses);
+};
+
+struct ServerName {
+        char *string;
+        LIST_HEAD(ServerAddress, addresses);
+        LIST_FIELDS(ServerName, names);
+};
+
+struct Manager {
+        sd_event *event;
+        sd_resolve *resolve;
+
+        LIST_HEAD(ServerName, servers);
+
+        RateLimit ratelimit;
+
+        /* peer */
+        sd_resolve_query *resolve_query;
+        sd_event_source *event_receive;
+        ServerName *current_server_name;
+        ServerAddress *current_server_address;
+        int server_socket;
+        uint64_t packet_count;
+        sd_event_source *event_timeout;
+
+        /* last sent packet */
+        struct timespec trans_time_mon;
+        struct timespec trans_time;
+        usec_t retry_interval;
+        bool pending;
+
+        /* poll timer */
+        sd_event_source *event_timer;
+        usec_t poll_interval_usec;
+        bool poll_resync;
+
+        /* history data */
+        struct {
+                double offset;
+                double delay;
+        } samples[8];
+        unsigned int samples_idx;
+        double samples_jitter;
+
+        /* last change */
+        bool jumped;
+        int drift_ppm;
+
+        /* watch for time changes */
+        sd_event_source *event_clock_watch;
+        int clock_watch_fd;
+
+        /* Retry connections */
+        sd_event_source *event_retry;
+
+        /* Handle SIGINT/SIGTERM */
+        sd_event_source *sigterm, *sigint;
+};
+
+const struct ConfigPerfItem* timesyncd_gperf_lookup(const char *key, unsigned length);
+
+int config_parse_servers(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);