/* * 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 #define MAXFILENAME 128 /* maximum length of a file name */ #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 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_res_name P((u_int32, u_short)); extern void ntp_res_recv P((void)); extern void ntp_intres P((void)); /* ntp_io.c */ extern struct interface *findinterface P((struct sockaddr_in *)); extern struct interface *findbcastinter 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)); extern void huffpuff P((void)); /* 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((u_int)); extern struct peer *newpeer P((struct sockaddr_in *, struct interface *, int, int, int, int, u_int, u_int, int, keyid_t)); 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, u_int, int, keyid_t, u_char *)); 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 clear_all P((void)); #ifdef AUTOKEY extern void expire_all P((void)); #endif /* AUTOKEY */ extern struct peer *findmanycastpeer P((struct recvbuf *)); extern void resetmanycast P((void)); /* ntp_proto.c */ extern void transmit P((struct peer *)); extern void receive P((struct recvbuf *)); extern void peer_clear P((struct peer *)); extern void 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)); #ifdef AUTOKEY extern char *sys_hostname; extern l_fp sys_revoketime; #endif /* AUTOKEY */ /* 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((double, double, double, double, int)); 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 keyid_t 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 keyid_t 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; /* default interface */ extern struct interface *loopback_interface; /* 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 (s/s) */ extern double clock_stability; /* clock stability (s/s) */ extern double clock_max; /* max offset before step (s) */ extern double clock_panic; /* max offset before panic (s) */ extern double clock_phi; /* dispersion rate (s/s) */ extern double clock_minstep; /* step timeout (s) */ extern u_long pps_control; /* last pps sample time */ #ifdef KERNEL_PLL extern int pll_status; /* status bits for kernel pll */ #endif /* KERNEL_PLL */ /* * 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 pps_enable; /* kernel PPS discipline enabled */ extern int ext_enable; /* external clock enabled */ extern int cal_enable; /* refclock calibrate enable */ extern int allow_step; /* allow step correction */ extern int allow_panic; /* allow panic correction */ extern int mode_ntpdate; /* exit on first clock set */ extern int peer_ntpdate; /* count of ntpdate peers */ /* * Clock state machine variables */ extern u_char sys_poll; /* system poll interval (log2 s) */ extern u_char sys_minpoll; /* min system poll interval (log2 s) */ 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 RMS error (s) */ extern double sys_jitter; /* system RMS jitter (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 struct peer *sys_prefer; /* our cherished 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 keyid_t 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 keyid_t 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