timesyncd.h revision ae2db4e7e868fb89f5053a962a3a43337ddfd4e0
/*-*- 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"
#include "sd-network.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);
};
static inline int server_address_pretty(ServerAddress *a, char **pretty) {
return sockaddr_pretty(&a->sockaddr.sa, a->socklen, true, pretty);
}
struct Manager {
sd_event *event;
sd_resolve *resolve;
LIST_HEAD(ServerName, servers);
RateLimit ratelimit;
/* network */
sd_event_source *network_event_source;
sd_network_monitor *network_monitor;
/* 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;
bool sync;
int drift_ppm;
/* watch for time changes */
sd_event_source *event_clock_watch;
int clock_watch_fd;
/* Retry connections */
sd_event_source *event_retry;
};
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);