#ifdef HAVE_CONFIG_H # include #endif #if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_COMPUTIME) /* * /src/NTP/ntp4-dev/libparse/clk_computime.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A * * clk_computime.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A * * Supports Diem's Computime Radio Clock * * Used the Meinberg clock as a template for Diem's Computime Radio Clock * * adapted by Alois Camenzind * * Copyright (c) 1995-2005 by Frank Kardel ntp.org> * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the author nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include "ntp_fp.h" #include "ntp_unixtime.h" #include "ntp_calendar.h" #include "ntp_stdlib.h" #include "parse.h" #ifndef PARSESTREAM #include #else #include "sys/parsestreams.h" extern int printf (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 parse_cvt_fnc_t cvt_computime; static parse_inp_fnc_t inp_computime; 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 packets) */ }; /* * parse_cvt_fnc_t 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; } } } /* * parse_inp_fnc_t inp_computime * * grab data from input stream */ static u_long inp_computime( parse_t *parseio, char ch, timestamp_t *tstamp ) { unsigned int rtc; parseprintf(DD_PARSE, ("inp_computime(0x%p, 0x%x, ...)\n", (void*)parseio, 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) */ NONEMPTY_TRANSLATION_UNIT #endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_COMPUTIME) */ /* * clk_computime.c,v * Revision 4.10 2005/04/16 17:32:10 kardel * update copyright * * Revision 4.9 2004/11/14 15:29:41 kardel * support PPSAPI, upgrade Copyright to Berkeley style * * Revision 4.6 1999/11/28 09:13:49 kardel * RECON_4_0_98F * * 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 */