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Diffstat (limited to 'contrib/ntp/include/ntpd.h')
| -rw-r--r-- | contrib/ntp/include/ntpd.h | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/contrib/ntp/include/ntpd.h b/contrib/ntp/include/ntpd.h new file mode 100644 index 0000000..1a83d6e --- /dev/null +++ b/contrib/ntp/include/ntpd.h @@ -0,0 +1,381 @@ +/* + * ntpd.h - Prototypes for ntpd. + */ + +#include "ntp_syslog.h" +#include "ntp_fp.h" +#include "ntp.h" +#include "ntp_select.h" +#include "ntp_malloc.h" +#include "ntp_refclock.h" +#include "recvbuff.h" + +#define MAXINTERFACES 512 + +#ifdef SYS_WINNT +#define exit service_exit +extern void service_exit (int); +/* declare the service threads */ +void service_main (DWORD, LPTSTR *); +void service_ctrl (DWORD); +void worker_thread (void *); +#define sleep(x) Sleep((DWORD) x * 1000 /* milliseconds */ ); +#else +#define closesocket close +#endif /* SYS_WINNT */ + +/* ntp_config.c */ +extern void getstartup P((int, char **)); +extern void getconfig P((int, char **)); + +/* ntp_config.c */ +extern void ctl_clr_stats P((void)); +extern int ctlclrtrap P((struct sockaddr_in *, struct interface *, int)); +extern u_short ctlpeerstatus P((struct peer *)); +extern int ctlsettrap P((struct sockaddr_in *, struct interface *, int, int)); +extern u_short ctlsysstatus P((void)); +extern void init_control P((void)); +extern void process_control P((struct recvbuf *, int)); +extern void report_event P((int, struct peer *)); + +extern double fabs P((double)); +extern double sqrt P((double)); + +/* ntp_control.c */ +/* + * Structure for translation tables between internal system + * variable indices and text format. + */ +struct ctl_var { + u_short code; + u_short flags; + char *text; +}; +/* + * Flag values + */ +#define CAN_READ 0x01 +#define CAN_WRITE 0x02 + +#define DEF 0x20 +#define PADDING 0x40 +#define EOV 0x80 + +#define RO (CAN_READ) +#define WO (CAN_WRITE) +#define RW (CAN_READ|CAN_WRITE) + +extern char * add_var P((struct ctl_var **, unsigned long, int)); +extern void free_varlist P((struct ctl_var *)); +extern void set_var P((struct ctl_var **, const char *, unsigned long, int)); +extern void set_sys_var P((char *, unsigned long, int)); + +/* ntp_intres.c */ +extern void ntp_intres P((void)); + +/* ntp_io.c */ +extern struct interface *findbcastinter P((struct sockaddr_in *)); +extern struct interface *findinterface P((struct sockaddr_in *)); + +extern void init_io P((void)); +extern void input_handler P((l_fp *)); +extern void io_clr_stats P((void)); +extern void io_setbclient P((void)); +extern void io_unsetbclient P((void)); +extern void io_multicast_add P((u_int32)); +extern void io_multicast_del P((u_int32)); +extern void kill_asyncio P((void)); + +extern void sendpkt P((struct sockaddr_in *, struct interface *, int, struct pkt *, int)); +#ifdef HAVE_SIGNALED_IO +extern void wait_for_signal P((void)); +extern void unblock_io_and_alarm P((void)); +extern void block_io_and_alarm P((void)); +#endif + +/* ntp_leap.c */ +extern void init_leap P((void)); +extern void leap_process P((void)); +extern int leap_setleap P((int, int)); +/* + * there seems to be a bug in the IRIX 4 compiler which prevents + * u_char from beeing used in prototyped functions. + * This is also true AIX compiler. + * So give up and define it to be int. WLJ + */ +extern int leap_actual P((int)); + +/* ntp_loopfilter.c */ +extern void init_loopfilter P((void)); +extern int local_clock P((struct peer *, double, double)); +extern void adj_host_clock P((void)); +extern void loop_config P((int, double)); + +/* ntp_monitor.c */ +extern void init_mon P((void)); +extern void mon_start P((int)); +extern void mon_stop P((int)); +extern void ntp_monitor P((struct recvbuf *)); + +/* ntp_peer.c */ +extern void init_peer P((void)); +extern struct peer *findexistingpeer P((struct sockaddr_in *, struct peer *, int)); +extern struct peer *findpeer P((struct sockaddr_in *, struct interface *, int, int, int *)); +extern struct peer *findpeerbyassoc P((int)); +extern struct peer *newpeer P((struct sockaddr_in *, struct interface *, int, int, int, int, int, u_long)); +extern void peer_all_reset P((void)); +extern void peer_clr_stats P((void)); +extern struct peer *peer_config P((struct sockaddr_in *, struct interface *, int, int, int, int, int, int, u_long)); +extern void peer_reset P((struct peer *)); +extern int peer_unconfig P((struct sockaddr_in *, struct interface *, int)); +extern void unpeer P((struct peer *)); +extern void key_expire_all P((void)); +extern struct peer *findmanycastpeer P((l_fp *)); +extern void peer_config_manycast P((struct peer *, struct peer *)); + +/* ntp_proto.c */ +extern void transmit P((struct peer *)); +extern void receive P((struct recvbuf *)); +extern void peer_clear P((struct peer *)); +extern int process_packet P((struct peer *, struct pkt *, l_fp *)); +extern void clock_select P((void)); + +/* + * there seems to be a bug in the IRIX 4 compiler which prevents + * u_char from beeing used in prototyped functions. + * This is also true AIX compiler. + * So give up and define it to be int. WLJ + */ +extern void poll_update P((struct peer *, int)); + +extern void clear P((struct peer *)); +extern void clock_filter P((struct peer *, double, double, double)); +extern void init_proto P((void)); +extern void proto_config P((int, u_long, double)); +extern void proto_clr_stats P((void)); + +#ifdef REFCLOCK +/* ntp_refclock.c */ +extern int refclock_newpeer P((struct peer *)); +extern void refclock_unpeer P((struct peer *)); +extern void refclock_receive P((struct peer *)); +extern void refclock_transmit P((struct peer *)); +extern void init_refclock P((void)); +#endif /* REFCLOCK */ + +/* ntp_request.c */ +extern void init_request P((void)); +extern void process_private P((struct recvbuf *, int)); + +/* ntp_restrict.c */ +extern void init_restrict P((void)); +extern int restrictions P((struct sockaddr_in *)); +extern void hack_restrict P((int, struct sockaddr_in *, struct sockaddr_in *, int, int)); + +/* ntp_timer.c */ +extern void init_timer P((void)); +extern void timer P((void)); +extern void timer_clr_stats P((void)); + +/* ntp_util.c */ +extern void init_util P((void)); +extern void hourly_stats P((void)); +extern void stats_config P((int, char *)); +extern void record_peer_stats P((struct sockaddr_in *, int, double, double, double, double)); +extern void record_loop_stats P((void)); +extern void record_clock_stats P((struct sockaddr_in *, const char *)); +extern void record_raw_stats P((struct sockaddr_in *, struct sockaddr_in *, l_fp *, l_fp *, l_fp *, l_fp *)); + +/* + * Variable declarations for ntpd. + */ + +/* ntp_config.c */ +extern char const * progname; +extern char sys_phone[][MAXDIAL]; /* ACTS phone numbers */ +extern char pps_device[]; /* PPS device name */ +#if defined(HAVE_SCHED_SETSCHEDULER) +extern int config_priority_override; +extern int config_priority; +#endif + +/* ntp_control.c */ +struct ctl_trap; +extern struct ctl_trap ctl_trap[]; +extern int num_ctl_traps; +extern u_long ctl_auth_keyid; /* keyid used for authenticating write requests */ + +/* + * Statistic counters to keep track of requests and responses. + */ +extern u_long ctltimereset; /* time stats reset */ +extern u_long numctlreq; /* number of requests we've received */ +extern u_long numctlbadpkts; /* number of bad control packets */ +extern u_long numctlresponses; /* number of resp packets sent with data */ +extern u_long numctlfrags; /* number of fragments sent */ +extern u_long numctlerrors; /* number of error responses sent */ +extern u_long numctltooshort; /* number of too short input packets */ +extern u_long numctlinputresp; /* number of responses on input */ +extern u_long numctlinputfrag; /* number of fragments on input */ +extern u_long numctlinputerr; /* number of input pkts with err bit set */ +extern u_long numctlbadoffset; /* number of input pkts with nonzero offset */ +extern u_long numctlbadversion; /* number of input pkts with unknown version */ +extern u_long numctldatatooshort; /* data too short for count */ +extern u_long numctlbadop; /* bad op code found in packet */ +extern u_long numasyncmsgs; /* number of async messages we've sent */ + +/* ntp_intres.c */ +extern u_long req_keyid; /* request keyid */ +extern char * req_file; /* name of the file with configuration info */ + +/* + * Other statistics of possible interest + */ +extern volatile u_long packets_dropped; /* total number of packets dropped on reception */ +extern volatile u_long packets_ignored; /* packets received on wild card interface */ +extern volatile u_long packets_received;/* total number of packets received */ +extern u_long packets_sent; /* total number of packets sent */ +extern u_long packets_notsent; /* total number of packets which couldn't be sent */ + +extern volatile u_long handler_calls; /* number of calls to interrupt handler */ +extern volatile u_long handler_pkts; /* number of pkts received by handler */ +extern u_long io_timereset; /* time counters were reset */ + +/* + * Interface stuff + */ +extern struct interface *any_interface; /* pointer to default interface */ +extern struct interface *loopback_interface; /* point to loopback interface */ + +/* + * File descriptor masks etc. for call to select + */ +extern fd_set activefds; +extern int maxactivefd; + +/* ntp_loopfilter.c */ +extern double drift_comp; /* clock frequency (ppm) */ +extern double clock_stability; /* clock stability (ppm) */ +extern double clock_max; /* max offset allowed before step (s) */ +extern u_long pps_control; /* last pps sample time */ + +/* + * Clock state machine control flags + */ +extern int ntp_enable; /* clock discipline enabled */ +extern int pll_control; /* kernel support available */ +extern int kern_enable; /* kernel support enabled */ +extern int ext_enable; /* external clock enabled */ +extern int pps_update; /* pps update valid */ +extern int allow_set_backward; /* step corrections allowed */ +extern int correct_any; /* corrections > 1000 s allowed */ + +/* + * Clock state machine variables + */ +extern u_char sys_poll; /* log2 of system poll interval */ +extern int state; /* clock discipline state */ +extern int tc_counter; /* poll-adjust counter */ +extern u_long last_time; /* time of last clock update (s) */ +extern double last_offset; /* last clock offset (s) */ +extern double allan_xpt; /* Allan intercept (s) */ +extern double sys_error; /* system standard error (s) */ + +/* ntp_monitor.c */ +extern struct mon_data mon_mru_list; +extern struct mon_data mon_fifo_list; +extern int mon_enabled; + +/* ntp_peer.c */ +extern struct peer *peer_hash[]; /* peer hash table */ +extern int peer_hash_count[]; /* count of peers in each bucket */ +extern struct peer *assoc_hash[]; /* association ID hash table */ +extern int assoc_hash_count[]; +extern int peer_free_count; + +/* + * Miscellaneous statistic counters which may be queried. + */ +extern u_long peer_timereset; /* time stat counters were zeroed */ +extern u_long findpeer_calls; /* number of calls to findpeer */ +extern u_long assocpeer_calls; /* number of calls to findpeerbyassoc */ +extern u_long peer_allocations; /* number of allocations from the free list */ +extern u_long peer_demobilizations; /* number of structs freed to free list */ +extern int total_peer_structs; /* number of peer structs in circulation */ +extern int peer_associations; /* number of active associations */ + +/* ntp_proto.c */ +/* + * System variables are declared here. See Section 3.2 of the + * specification. + */ +extern u_char sys_leap; /* system leap indicator */ +extern u_char sys_stratum; /* stratum of system */ +extern s_char sys_precision; /* local clock precision */ +extern double sys_rootdelay; /* distance to current sync source */ +extern double sys_rootdispersion; /* dispersion of system clock */ +extern u_int32 sys_refid; /* reference source for local clock */ +extern l_fp sys_reftime; /* time we were last updated */ +extern struct peer *sys_peer; /* our current peer */ +extern u_long sys_automax; /* maximum session key lifetime */ + +/* + * Nonspecified system state variables. + */ +extern int sys_bclient; /* we set our time to broadcasts */ +extern double sys_bdelay; /* broadcast client default delay */ +extern int sys_authenticate; /* requre authentication for config */ +extern l_fp sys_authdelay; /* authentication delay */ +extern u_long sys_private; /* private value for session seed */ +extern int sys_manycastserver; /* 1 => respond to manycast client pkts */ + +/* + * Statistics counters + */ +extern u_long sys_stattime; /* time when we started recording */ +extern u_long sys_badstratum; /* packets with invalid stratum */ +extern u_long sys_oldversionpkt; /* old version packets received */ +extern u_long sys_newversionpkt; /* new version packets received */ +extern u_long sys_unknownversion; /* don't know version packets */ +extern u_long sys_badlength; /* packets with bad length */ +extern u_long sys_processed; /* packets processed */ +extern u_long sys_badauth; /* packets dropped because of auth */ +extern u_long sys_limitrejected; /* pkts rejected due to client count per net */ + +/* ntp_refclock.c */ +#ifdef REFCLOCK +#if defined(PPS) || defined(HAVE_PPSAPI) +extern int fdpps; /* pps file descriptor */ +#endif /* PPS */ +#endif + +/* ntp_request.c */ +extern u_long info_auth_keyid; /* keyid used to authenticate requests */ + +/* ntp_restrict.c */ +extern struct restrictlist *restrictlist; /* the restriction list */ +extern u_long client_limit; +extern u_long client_limit_period; + +/* ntp_timer.c */ +extern volatile int alarm_flag; /* alarm flag */ +extern u_long sys_revoke; /* keys revoke timeout */ +extern volatile u_long alarm_overflow; +extern u_long current_time; /* current time (s) */ +extern u_long timer_timereset; +extern u_long timer_overflows; +extern u_long timer_xmtcalls; + +/* ntp_util.c */ +extern int stats_control; /* write stats to fileset? */ + +/* ntpd.c */ +extern volatile int debug; /* debugging flag */ +extern int nofork; /* no-fork flag */ +extern int initializing; /* initializing flag */ + +/* refclock_conf.c */ +#ifdef REFCLOCK +extern struct refclock *refclock_conf[]; /* refclock configuration table */ +extern u_char num_refclock_conf; +#endif |
