diff options
Diffstat (limited to 'contrib/ntp/ntptrace/ntptrace.h')
| -rw-r--r-- | contrib/ntp/ntptrace/ntptrace.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/contrib/ntp/ntptrace/ntptrace.h b/contrib/ntp/ntptrace/ntptrace.h new file mode 100644 index 0000000..53cbe01 --- /dev/null +++ b/contrib/ntp/ntptrace/ntptrace.h @@ -0,0 +1,36 @@ +/* + * 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 */ |
