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Diffstat (limited to 'contrib/ntp/libparse/clk_computime.c')
| -rw-r--r-- | contrib/ntp/libparse/clk_computime.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/contrib/ntp/libparse/clk_computime.c b/contrib/ntp/libparse/clk_computime.c new file mode 100644 index 000000000000..8e050c00fcad --- /dev/null +++ b/contrib/ntp/libparse/clk_computime.c @@ -0,0 +1,194 @@ +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_COMPUTIME) +/* + * /src/NTP/ntp-4/libparse/clk_computime.c,v 4.5 1998/06/14 21:09:34 kardel RELEASE_19990228_A + * + * clk_computime.c,v 4.5 1998/06/14 21:09:34 kardel RELEASE_19990228_A + * + * Supports Diem's Computime Radio Clock + * + * Used the Meinberg clock as a template for Diem's Computime Radio Clock + * + * adapted by Alois Camenzind <alois.camenzind@ubs.ch> + * + * Copyright (C) 1992-1998 by Frank Kardel + * Friedrich-Alexander Universität Erlangen-Nürnberg, Germany + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. + * + */ + + +#include <sys/types.h> +#include <sys/time.h> + +#include "ntp_fp.h" +#include "ntp_unixtime.h" +#include "ntp_calendar.h" +#include "ntp_stdlib.h" + +#include "parse.h" + +#ifndef PARSESTREAM +#include <stdio.h> +#else +#include "sys/parsestreams.h" +extern void printf P((const char *, ...)); +#endif + +/* + * The Computime receiver sends a datagram in the following format every minute + * + * Timestamp T:YY:MM:MD:WD:HH:MM:SSCRLF + * Pos 0123456789012345678901 2 3 + * 0000000000111111111122 2 2 + * Parse T: : : : : : : rn + * + * T Startcharacter "T" specifies start of the timestamp + * YY Year MM Month 1-12 + * MD Day of the month + * WD Day of week + * HH Hour + * MM Minute + * SS Second + * CR Carriage return + * LF Linefeed + * + */ + +static struct format computime_fmt = +{ + { + {8, 2}, {5, 2}, {2, 2}, /* day, month, year */ + {14, 2}, {17, 2}, {20, 2}, /* hour, minute, second */ + {11, 2}, /* dayofweek, */ + }, + (const unsigned char *)"T: : : : : : : \r\n", + 0 +}; + +static u_long cvt_computime P((unsigned char *, int, struct format *, clocktime_t *, void *)); +static unsigned long inp_computime P((parse_t *, unsigned int, timestamp_t *)); + +clockformat_t clock_computime = +{ + inp_computime, /* Computime input handling */ + cvt_computime, /* Computime conversion */ + 0, /* no PPS monitoring */ + (void *)&computime_fmt, /* conversion configuration */ + "Diem's Computime Radio Clock", /* Computime Radio Clock */ + 24, /* string buffer */ + 0 /* no private data (complete pakets) */ +}; + +/* + * cvt_computime + * + * convert simple type format + */ +static u_long +cvt_computime( + unsigned char *buffer, + int size, + struct format *format, + clocktime_t *clock_time, + void *local + ) +{ + + if (!Strok(buffer, format->fixed_string)) { + return CVT_NONE; + } else { + if (Stoi(&buffer[format->field_offsets[O_DAY].offset], &clock_time->day, + format->field_offsets[O_DAY].length) || + Stoi(&buffer[format->field_offsets[O_MONTH].offset], &clock_time->month, + format->field_offsets[O_MONTH].length) || + Stoi(&buffer[format->field_offsets[O_YEAR].offset], &clock_time->year, + format->field_offsets[O_YEAR].length) || + Stoi(&buffer[format->field_offsets[O_HOUR].offset], &clock_time->hour, + format->field_offsets[O_HOUR].length) || + Stoi(&buffer[format->field_offsets[O_MIN].offset], &clock_time->minute, + format->field_offsets[O_MIN].length) || + Stoi(&buffer[format->field_offsets[O_SEC].offset], &clock_time->second, + format->field_offsets[O_SEC].length)) { + return CVT_FAIL | CVT_BADFMT; + } else { + + clock_time->flags = 0; + clock_time->utcoffset = 0; /* We have UTC time */ + + return CVT_OK; + } + } +} + +/* + * inp_computime + * + * grep data from input stream + */ +static u_long +inp_computime( + parse_t *parseio, + unsigned int ch, + timestamp_t *tstamp + ) +{ + unsigned int rtc; + + parseprintf(DD_PARSE, ("inp_computime(0x%x, 0x%x, ...)\n", (int)parseio, (int)ch)); + + switch (ch) + { + case 'T': + parseprintf(DD_PARSE, ("inp_computime: START seen\n")); + + parseio->parse_index = 1; + parseio->parse_data[0] = ch; + parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */ + return PARSE_INP_SKIP; + + case '\n': + parseprintf(DD_PARSE, ("inp_computime: END seen\n")); + if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP) + return parse_end(parseio); + else + return rtc; + + default: + return parse_addchar(parseio, ch); + } +} + +#else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_COMPUTIME) */ +int clk_computime_bs; +#endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_COMPUTIME) */ + +/* + * clk_computime.c,v + * Revision 4.5 1998/06/14 21:09:34 kardel + * Sun acc cleanup + * + * Revision 4.4 1998/06/13 12:00:38 kardel + * fix SYSV clock name clash + * + * Revision 4.3 1998/06/12 15:22:26 kardel + * fix prototypes + * + * Revision 4.2 1998/06/12 09:13:24 kardel + * conditional compile macros fixed + * printf prototype + * + * Revision 4.1 1998/05/24 09:39:51 kardel + * implementation of the new IO handling model + * + * Revision 4.0 1998/04/10 19:45:27 kardel + * Start 4.0 release version numbering + * + * from V3 1.8 log info deleted 1998/04/11 kardel + */ |