2 * ntpd.h - Prototypes for ntpd.
5 #include "ntp_syslog.h"
8 #include "ntp_select.h"
9 #include "ntp_malloc.h"
10 #include "ntp_refclock.h"
14 #define exit service_exit
15 extern void service_exit (int);
16 /* declare the service threads */
17 void service_main (DWORD, LPTSTR *);
18 void service_ctrl (DWORD);
19 void worker_thread (void *);
20 #define sleep(x) Sleep((DWORD) x * 1000 /* milliseconds */ );
21 #endif /* SYS_WINNT */
24 extern void getconfig P((int, char **));
27 extern void ctl_clr_stats P((void));
28 extern int ctlclrtrap P((struct sockaddr_storage *, struct interface *, int));
29 extern u_short ctlpeerstatus P((struct peer *));
30 extern int ctlsettrap P((struct sockaddr_storage *, struct interface *, int, int));
31 extern u_short ctlsysstatus P((void));
32 extern void init_control P((void));
33 extern void process_control P((struct recvbuf *, int));
34 extern void report_event P((int, struct peer *));
36 extern double fabs P((double));
37 extern double sqrt P((double));
41 * Structure for translation tables between internal system
42 * variable indices and text format.
53 #define CAN_WRITE 0x02
60 #define WO (CAN_WRITE)
61 #define RW (CAN_READ|CAN_WRITE)
63 extern char * add_var P((struct ctl_var **, u_long, u_short));
64 extern void free_varlist P((struct ctl_var *));
65 extern void set_var P((struct ctl_var **, const char *, u_long, u_short));
66 extern void set_sys_var P((char *, u_long, u_short));
69 extern void ntp_res_name P((struct sockaddr_storage, u_short));
70 extern void ntp_res_recv P((void));
71 extern void ntp_intres P((void));
74 extern struct interface *findinterface P((struct sockaddr_storage *));
75 extern struct interface *findbcastinter P((struct sockaddr_storage *));
77 extern void init_io P((void));
78 extern void input_handler P((l_fp *));
79 extern void io_clr_stats P((void));
80 extern void io_setbclient P((void));
81 extern void io_unsetbclient P((void));
82 extern void io_multicast_add P((struct sockaddr_storage));
83 extern void io_multicast_del P((struct sockaddr_storage));
84 extern void kill_asyncio P((int));
86 extern void sendpkt P((struct sockaddr_storage *, struct interface *, int, struct pkt *, int));
87 #ifdef HAVE_SIGNALED_IO
88 extern void wait_for_signal P((void));
89 extern void unblock_io_and_alarm P((void));
90 extern void block_io_and_alarm P((void));
94 extern void init_leap P((void));
95 extern void leap_process P((void));
96 extern int leap_setleap P((int, int));
98 * there seems to be a bug in the IRIX 4 compiler which prevents
99 * u_char from beeing used in prototyped functions.
100 * This is also true AIX compiler.
101 * So give up and define it to be int. WLJ
103 extern int leap_actual P((int));
105 /* ntp_loopfilter.c */
106 extern void init_loopfilter P((void));
107 extern int local_clock P((struct peer *, double, double));
108 extern void adj_host_clock P((void));
109 extern void loop_config P((int, double));
110 extern void huffpuff P((void));
113 extern void init_mon P((void));
114 extern void mon_start P((int));
115 extern void mon_stop P((int));
116 extern void ntp_monitor P((struct recvbuf *));
119 extern void init_peer P((void));
120 extern struct peer *findexistingpeer P((struct sockaddr_storage *, struct peer *, int));
121 extern struct peer *findpeer P((struct sockaddr_storage *, struct interface *, int, int, int *));
122 extern struct peer *findpeerbyassoc P((u_int));
123 extern struct peer *newpeer P((struct sockaddr_storage *, struct interface *, int, int, int, int, u_int, u_char, int, keyid_t));
124 extern void peer_all_reset P((void));
125 extern void peer_clr_stats P((void));
126 extern struct peer *peer_config P((struct sockaddr_storage *, struct interface *, int, int, int, int, u_int, int, keyid_t, u_char *));
127 extern void peer_reset P((struct peer *));
128 extern int peer_unconfig P((struct sockaddr_storage *, struct interface *, int));
129 extern void unpeer P((struct peer *));
130 extern void clear_all P((void));
132 extern void expire_all P((void));
134 extern struct peer *findmanycastpeer P((struct recvbuf *));
135 extern void resetmanycast P((void));
139 extern int crypto_recv P((struct peer *, struct recvbuf *));
140 extern int crypto_xmit P((struct pkt *, struct sockaddr_storage *, int, struct exten *, keyid_t));
141 extern keyid_t session_key P((struct sockaddr_storage *, struct sockaddr_storage *, keyid_t, keyid_t, u_long));
142 extern void make_keylist P((struct peer *, struct interface *));
143 extern void key_expire P((struct peer *));
144 extern void crypto_update P((void));
145 extern void crypto_config P((int, char *));
146 extern void crypto_setup P((void));
147 extern u_int crypto_ident P((struct peer *));
148 extern struct exten *crypto_args P((struct peer *, u_int, char *));
149 extern int crypto_public P((struct peer *, u_char *, u_int));
150 extern void value_free P((struct value *));
154 extern void transmit P((struct peer *));
155 extern void receive P((struct recvbuf *));
156 extern void peer_clear P((struct peer *, char *));
157 extern void process_packet P((struct peer *, struct pkt *, l_fp *));
158 extern void clock_select P((void));
159 extern void kod_proto P((void));
162 * there seems to be a bug in the IRIX 4 compiler which prevents
163 * u_char from beeing used in prototyped functions.
164 * This is also true AIX compiler.
165 * So give up and define it to be int. WLJ
167 extern void poll_update P((struct peer *, int));
169 extern void clear P((struct peer *));
170 extern void clock_filter P((struct peer *, double, double, double));
171 extern void init_proto P((void));
172 extern void proto_config P((int, u_long, double, struct sockaddr_storage*));
173 extern void proto_clr_stats P((void));
177 extern int refclock_newpeer P((struct peer *));
178 extern void refclock_unpeer P((struct peer *));
179 extern void refclock_receive P((struct peer *));
180 extern void refclock_transmit P((struct peer *));
181 extern void init_refclock P((void));
182 #endif /* REFCLOCK */
185 extern void init_request P((void));
186 extern void process_private P((struct recvbuf *, int));
189 extern void init_restrict P((void));
190 extern int restrictions P((struct sockaddr_storage *));
191 extern void hack_restrict P((int, struct sockaddr_storage *, struct sockaddr_storage *, int, int));
194 extern void init_timer P((void));
195 extern void reinit_timer P((void));
196 extern void timer P((void));
197 extern void timer_clr_stats P((void));
199 extern char *sys_hostname;
200 extern l_fp sys_revoketime;
204 extern void init_util P((void));
205 extern void hourly_stats P((void));
206 extern void stats_config P((int, char *));
207 extern void record_peer_stats P((struct sockaddr_storage *, int, double, double, double, double));
208 extern void record_loop_stats P((double, double, double, double, int));
209 extern void record_clock_stats P((struct sockaddr_storage *, const char *));
210 extern void record_raw_stats P((struct sockaddr_storage *, struct sockaddr_storage *, l_fp *, l_fp *, l_fp *, l_fp *));
211 extern void record_sys_stats P((void));
212 extern void record_crypto_stats P((struct sockaddr_storage *, const char *));
213 extern int sock_hash P((struct sockaddr_storage *));
216 * Variable declarations for ntpd.
220 extern char const * progname;
221 extern char sys_phone[][MAXDIAL]; /* ACTS phone numbers */
222 extern char pps_device[]; /* PPS device name */
223 #if defined(HAVE_SCHED_SETSCHEDULER)
224 extern int config_priority_override;
225 extern int config_priority;
230 extern struct ctl_trap ctl_trap[];
231 extern int num_ctl_traps;
232 extern keyid_t ctl_auth_keyid; /* keyid used for authenticating write requests */
235 * Statistic counters to keep track of requests and responses.
237 extern u_long ctltimereset; /* time stats reset */
238 extern u_long numctlreq; /* number of requests we've received */
239 extern u_long numctlbadpkts; /* number of bad control packets */
240 extern u_long numctlresponses; /* number of resp packets sent with data */
241 extern u_long numctlfrags; /* number of fragments sent */
242 extern u_long numctlerrors; /* number of error responses sent */
243 extern u_long numctltooshort; /* number of too short input packets */
244 extern u_long numctlinputresp; /* number of responses on input */
245 extern u_long numctlinputfrag; /* number of fragments on input */
246 extern u_long numctlinputerr; /* number of input pkts with err bit set */
247 extern u_long numctlbadoffset; /* number of input pkts with nonzero offset */
248 extern u_long numctlbadversion; /* number of input pkts with unknown version */
249 extern u_long numctldatatooshort; /* data too short for count */
250 extern u_long numctlbadop; /* bad op code found in packet */
251 extern u_long numasyncmsgs; /* number of async messages we've sent */
254 extern keyid_t req_keyid; /* request keyid */
255 extern char * req_file; /* name of the file with configuration info */
258 * Other statistics of possible interest
260 extern volatile u_long packets_dropped; /* total number of packets dropped on reception */
261 extern volatile u_long packets_ignored; /* packets received on wild card interface */
262 extern volatile u_long packets_received;/* total number of packets received */
263 extern u_long packets_sent; /* total number of packets sent */
264 extern u_long packets_notsent; /* total number of packets which couldn't be sent */
266 extern volatile u_long handler_calls; /* number of calls to interrupt handler */
267 extern volatile u_long handler_pkts; /* number of pkts received by handler */
268 extern u_long io_timereset; /* time counters were reset */
273 extern struct interface *any_interface; /* default ipv4 interface */
274 extern struct interface *any6_interface;/* default ipv6 interface */
275 extern struct interface *loopback_interface; /* loopback interface */
278 * File descriptor masks etc. for call to select
280 extern fd_set activefds;
281 extern int maxactivefd;
283 /* ntp_loopfilter.c */
284 extern double drift_comp; /* clock frequency (s/s) */
285 extern double clock_stability; /* clock stability (s/s) */
286 extern double clock_max; /* max offset before step (s) */
287 extern double clock_panic; /* max offset before panic (s) */
288 extern double clock_phi; /* dispersion rate (s/s) */
289 extern double clock_minstep; /* step timeout (s) */
290 extern u_long pps_control; /* last pps sample time */
292 extern int pll_status; /* status bits for kernel pll */
293 #endif /* KERNEL_PLL */
296 * Clock state machine control flags
298 extern int ntp_enable; /* clock discipline enabled */
299 extern int pll_control; /* kernel support available */
300 extern int kern_enable; /* kernel support enabled */
301 extern int pps_enable; /* kernel PPS discipline enabled */
302 extern int ext_enable; /* external clock enabled */
303 extern int cal_enable; /* refclock calibrate enable */
304 extern int allow_panic; /* allow panic correction */
305 extern int mode_ntpdate; /* exit on first clock set */
306 extern int peer_ntpdate; /* count of ntpdate peers */
307 extern int forground_process; /* run the process in the forground */
310 * Clock state machine variables
312 extern u_char sys_poll; /* system poll interval (log2 s) */
313 extern int state; /* clock discipline state */
314 extern int tc_counter; /* poll-adjust counter */
315 extern u_long last_time; /* time of last clock update (s) */
316 extern double last_offset; /* last clock offset (s) */
317 extern double allan_xpt; /* Allan intercept (s) */
318 extern double sys_error; /* system RMS error (s) */
319 extern double sys_jitter; /* system RMS jitter (s) */
322 extern struct mon_data mon_mru_list;
323 extern struct mon_data mon_fifo_list;
324 extern int mon_enabled;
327 extern struct peer *peer_hash[]; /* peer hash table */
328 extern int peer_hash_count[]; /* count of peers in each bucket */
329 extern struct peer *assoc_hash[]; /* association ID hash table */
330 extern int assoc_hash_count[];
331 extern int peer_free_count;
334 * Miscellaneous statistic counters which may be queried.
336 extern u_long peer_timereset; /* time stat counters were zeroed */
337 extern u_long findpeer_calls; /* number of calls to findpeer */
338 extern u_long assocpeer_calls; /* number of calls to findpeerbyassoc */
339 extern u_long peer_allocations; /* number of allocations from the free list */
340 extern u_long peer_demobilizations; /* number of structs freed to free list */
341 extern int total_peer_structs; /* number of peer structs in circulation */
342 extern int peer_associations; /* number of active associations */
346 * System variables are declared here. See Section 3.2 of the
349 extern u_char sys_leap; /* system leap indicator */
350 extern u_char sys_stratum; /* stratum of system */
351 extern s_char sys_precision; /* local clock precision */
352 extern double sys_rootdelay; /* distance to current sync source */
353 extern double sys_rootdispersion; /* dispersion of system clock */
354 extern u_int32 sys_refid; /* reference source for local clock */
355 extern l_fp sys_reftime; /* time we were last updated */
356 extern struct peer *sys_peer; /* our current peer */
357 extern struct peer *sys_prefer; /* our cherished peer */
358 extern u_long sys_automax; /* maximum session key lifetime */
361 * Nonspecified system state variables.
363 extern int sys_bclient; /* we set our time to broadcasts */
364 extern double sys_bdelay; /* broadcast client default delay */
365 extern int sys_authenticate; /* requre authentication for config */
366 extern l_fp sys_authdelay; /* authentication delay */
367 extern keyid_t sys_private; /* private value for session seed */
368 extern int sys_manycastserver; /* respond to manycast client pkts */
369 extern int sys_minclock; /* minimum survivors */
370 extern int sys_minsane; /* minimum candidates */
371 extern int sys_floor; /* cluster stratum floor */
372 extern int sys_ceiling; /* cluster stratum ceiling */
373 extern u_char sys_ttl[]; /* ttl mapping vector */
374 extern int sys_ttlmax; /* max ttl mapping vector index */
377 * Statistics counters
379 extern u_long sys_stattime; /* time when we started recording */
380 extern u_long sys_restricted; /* restricted packets */
381 extern u_long sys_oldversionpkt; /* old version packets */
382 extern u_long sys_newversionpkt; /* new version packets */
383 extern u_long sys_unknownversion; /* don't know version packets */
384 extern u_long sys_badlength; /* bad length or format */
385 extern u_long sys_processed; /* packets processed */
386 extern u_long sys_badauth; /* bad authentication */
387 extern u_long sys_limitrejected; /* rate limit exceeded */
388 extern u_long sys_received; /* packets received */
392 #if defined(PPS) || defined(HAVE_PPSAPI)
393 extern int fdpps; /* pps file descriptor */
398 extern keyid_t info_auth_keyid; /* keyid used to authenticate requests */
401 extern struct restrictlist *restrictlist; /* the ipv4 restriction list */
402 extern struct restrictlist6 *restrictlist6; /* the ipv6 restriction list */
403 extern u_long res_min_interval;
404 extern u_long res_avg_interval;
405 extern u_long mon_age; /* monitor preempt age */
408 extern volatile int alarm_flag; /* alarm flag */
409 extern u_char sys_revoke; /* keys revoke timeout (log2 s) */
410 extern volatile u_long alarm_overflow;
411 extern u_long current_time; /* current time (s) */
412 extern u_long timer_timereset;
413 extern u_long timer_overflows;
414 extern u_long timer_xmtcalls;
417 extern int stats_control; /* write stats to fileset? */
420 extern volatile int debug; /* debugging flag */
421 extern int nofork; /* no-fork flag */
422 extern int initializing; /* initializing flag */
424 extern char *user; /* user to switch to */
425 extern char *group; /* group to switch to */
426 extern char *chrootdir; /* directory to chroot to */
429 /* refclock_conf.c */
431 extern struct refclock *refclock_conf[]; /* refclock configuration table */
432 extern u_char num_refclock_conf;