1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
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
*/
|