/* * ntptrace.h - declarations for the ntptrace program */ /* * The server structure is a much simplified version of the * peer structure, for ntptrace's use. Since we always send * in client mode and expect to receive in server mode, this * leaves only a very limited number of things we need to * remember about the server. */ struct server { struct sockaddr_in srcadr; /* address of remote host */ u_char leap; /* leap indicator */ u_char stratum; /* stratum of remote server */ s_char precision; /* server's clock precision */ u_fp rootdelay; /* distance from primary clock */ u_fp rootdispersion; /* peer clock dispersion */ u_int32 refid; /* peer reference ID */ l_fp reftime; /* time of peer's last update */ l_fp org; /* peer's originate time stamp */ l_fp xmt; /* transmit time stamp */ s_fp delay; /* filter estimated delay */ u_fp dispersion; /* filter estimated dispersion */ l_fp offset; /* filter estimated clock offset */ }; /* * Since ntptrace isn't aware of some of the things that normally get * put in an NTP packet, we fix some values. */ #define NTPTRACE_PRECISION (-6) /* use this precision */ #define NTPTRACE_DISTANCE FP_SECOND /* distance is 1 sec */ #define NTPTRACE_DISP FP_SECOND /* so is the dispersion */ #define NTPTRACE_REFID (0) /* reference ID to use */