Mercurial > hg > nginx
annotate src/core/ngx_times.c @ 1325:8b34fbcd9393 stable-0.5
bump version
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sun, 22 Jul 2007 08:35:56 +0000 |
parents | a62d30719ea1 |
children | 02a22cd5282a |
rev | line source |
---|---|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
1 |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
2 /* |
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
4 */ |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
5 |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_core.h> |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
10 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
11 /* |
563 | 12 * The time may be updated by signal handler or by several threads. |
13 * The time update operations are rare and require to hold the ngx_time_lock. | |
14 * The time read operations are frequent, so they are lock-free and get time | |
15 * values and strings from the current slot. Thus thread may get the corrupted | |
16 * values only if it is preempted while copying and then it is not scheduled | |
17 * to run more than NGX_TIME_SLOTS seconds. | |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
18 */ |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
19 |
563 | 20 #define NGX_TIME_SLOTS 64 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
21 |
932
1b8111df8051
the initial slot is out of array
Igor Sysoev <igor@sysoev.ru>
parents:
891
diff
changeset
|
22 static ngx_uint_t slot; |
563 | 23 static ngx_atomic_t ngx_time_lock; |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
24 |
563 | 25 volatile ngx_msec_t ngx_current_msec; |
26 volatile ngx_time_t *ngx_cached_time; | |
27 volatile ngx_str_t ngx_cached_err_log_time; | |
28 volatile ngx_str_t ngx_cached_http_time; | |
29 volatile ngx_str_t ngx_cached_http_log_time; | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
30 |
563 | 31 static ngx_time_t cached_time[NGX_TIME_SLOTS]; |
32 static u_char cached_err_log_time[NGX_TIME_SLOTS] | |
33 [sizeof("1970/09/28 12:00:00")]; | |
34 static u_char cached_http_time[NGX_TIME_SLOTS] | |
35 [sizeof("Mon, 28 Sep 1970 06:00:00 GMT")]; | |
36 static u_char cached_http_log_time[NGX_TIME_SLOTS] | |
37 [sizeof("28/Sep/1970:12:00:00 +0600")]; | |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
38 |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
39 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
324
diff
changeset
|
40 static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
41 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
42 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
43 |
501 | 44 void |
45 ngx_time_init(void) | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
46 { |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
47 ngx_cached_err_log_time.len = sizeof("1970/09/28 12:00:00") - 1; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
48 ngx_cached_http_time.len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1; |
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
49 ngx_cached_http_log_time.len = sizeof("28/Sep/1970:12:00:00 +0600") - 1; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
50 |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
51 ngx_cached_time = &cached_time[0]; |
205
4a9a2b1dd6fa
nginx-0.0.1-2003-12-04-17:53:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
52 |
461 | 53 #if !(NGX_WIN32) |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
54 tzset(); |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
55 #endif |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
56 |
563 | 57 ngx_time_update(0, 0); |
270
7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
58 } |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
59 |
270
7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
60 |
563 | 61 void |
62 ngx_time_update(time_t sec, ngx_uint_t msec) | |
270
7bb9562216ce
nginx-0.0.2-2004-02-25-23:16:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
266
diff
changeset
|
63 { |
563 | 64 u_char *p0, *p1, *p2; |
65 ngx_tm_t tm, gmt; | |
66 ngx_time_t *tp; | |
67 struct timeval tv; | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
68 |
563 | 69 if (!ngx_trylock(&ngx_time_lock)) { |
271
e16dfb9b9afa
nginx-0.0.2-2004-02-26-20:10:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
270
diff
changeset
|
70 return; |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
71 } |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
72 |
563 | 73 if (sec == 0) { |
74 ngx_gettimeofday(&tv); | |
75 | |
76 sec = tv.tv_sec; | |
77 msec = tv.tv_usec / 1000; | |
78 } | |
79 | |
80 ngx_current_msec = (ngx_msec_t) sec * 1000 + msec; | |
81 | |
82 tp = &cached_time[slot]; | |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
83 |
563 | 84 if (tp->sec == sec) { |
891
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
85 tp->msec = msec; |
563 | 86 ngx_unlock(&ngx_time_lock); |
87 return; | |
88 } | |
370
54f76b0b8dca
nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
358
diff
changeset
|
89 |
1086
a62d30719ea1
fix segfault if nginx was build with -O2 -fomit-frame-pointer,
Igor Sysoev <igor@sysoev.ru>
parents:
1081
diff
changeset
|
90 if (slot == NGX_TIME_SLOTS - 1) { |
891
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
91 slot = 0; |
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
92 } else { |
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
93 slot++; |
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
94 } |
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
95 |
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
96 tp = &cached_time[slot]; |
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
97 |
563 | 98 tp->sec = sec; |
891
8a3ba663be1a
slot number must be incremented once per second only,
Igor Sysoev <igor@sysoev.ru>
parents:
563
diff
changeset
|
99 tp->msec = msec; |
563 | 100 |
101 ngx_gmtime(sec, &gmt); | |
181
811bdd2af794
nginx-0.0.1-2003-11-12-20:25:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
180
diff
changeset
|
102 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
103 |
1081
4cf9d9b644f7
fix segfault if nginx was build with -O2 -fomit-frame-pointer
Igor Sysoev <igor@sysoev.ru>
parents:
932
diff
changeset
|
104 p0 = &cached_http_time[slot][0]; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
105 |
563 | 106 (void) ngx_sprintf(p0, "%s, %02d %s %4d %02d:%02d:%02d GMT", |
107 week[gmt.ngx_tm_wday], gmt.ngx_tm_mday, | |
108 months[gmt.ngx_tm_mon - 1], gmt.ngx_tm_year, | |
109 gmt.ngx_tm_hour, gmt.ngx_tm_min, gmt.ngx_tm_sec); | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
110 |
469 | 111 #if (NGX_HAVE_GETTIMEZONE) |
358
0a03c921c81d
nginx-0.0.7-2004-06-17-21:18:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
112 |
563 | 113 tp->gmtoff = ngx_gettimezone(); |
114 ngx_gmtime(sec + tp->gmtoff * 60, &tm); | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
115 |
469 | 116 #elif (NGX_HAVE_GMTOFF) |
358
0a03c921c81d
nginx-0.0.7-2004-06-17-21:18:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
117 |
563 | 118 ngx_localtime(sec, &tm); |
119 tp->gmtoff = (ngx_int_t) (tm.ngx_tm_gmtoff / 60); | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
120 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
121 #else |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 |
563 | 123 ngx_localtime(sec, &tm); |
124 tp->gmtoff = ngx_timezone(tm.ngx_tm_isdst); | |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
126 #endif |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
127 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
128 |
1081
4cf9d9b644f7
fix segfault if nginx was build with -O2 -fomit-frame-pointer
Igor Sysoev <igor@sysoev.ru>
parents:
932
diff
changeset
|
129 p1 = &cached_err_log_time[slot][0]; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
130 |
563 | 131 (void) ngx_sprintf(p1, "%4d/%02d/%02d %02d:%02d:%02d", |
517 | 132 tm.ngx_tm_year, tm.ngx_tm_mon, |
133 tm.ngx_tm_mday, tm.ngx_tm_hour, | |
134 tm.ngx_tm_min, tm.ngx_tm_sec); | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
135 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
136 |
1081
4cf9d9b644f7
fix segfault if nginx was build with -O2 -fomit-frame-pointer
Igor Sysoev <igor@sysoev.ru>
parents:
932
diff
changeset
|
137 p2 = &cached_http_log_time[slot][0]; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
138 |
563 | 139 (void) ngx_sprintf(p2, "%02d/%s/%d:%02d:%02d:%02d %c%02d%02d", |
517 | 140 tm.ngx_tm_mday, months[tm.ngx_tm_mon - 1], |
141 tm.ngx_tm_year, tm.ngx_tm_hour, | |
142 tm.ngx_tm_min, tm.ngx_tm_sec, | |
563 | 143 tp->gmtoff < 0 ? '-' : '+', |
144 ngx_abs(tp->gmtoff / 60), ngx_abs(tp->gmtoff % 60)); | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
297
diff
changeset
|
145 |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
146 |
563 | 147 ngx_memory_barrier(); |
266
5238e93961a1
nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
245
diff
changeset
|
148 |
563 | 149 ngx_cached_time = tp; |
150 ngx_cached_http_time.data = p0; | |
151 ngx_cached_err_log_time.data = p1; | |
152 ngx_cached_http_log_time.data = p2; | |
153 | |
154 ngx_unlock(&ngx_time_lock); | |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 } |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
156 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
157 |
501 | 158 u_char * |
159 ngx_http_time(u_char *buf, time_t t) | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
160 { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
161 ngx_tm_t tm; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
162 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
163 ngx_gmtime(t, &tm); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
164 |
455 | 165 return ngx_sprintf(buf, "%s, %02d %s %4d %02d:%02d:%02d GMT", |
166 week[tm.ngx_tm_wday], | |
167 tm.ngx_tm_mday, | |
168 months[tm.ngx_tm_mon - 1], | |
169 tm.ngx_tm_year, | |
170 tm.ngx_tm_hour, | |
171 tm.ngx_tm_min, | |
172 tm.ngx_tm_sec); | |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
173 } |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
174 |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
175 |
501 | 176 u_char * |
177 ngx_http_cookie_time(u_char *buf, time_t t) | |
409
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
178 { |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
179 ngx_tm_t tm; |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
180 |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
181 ngx_gmtime(t, &tm); |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
182 |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
183 /* |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
184 * Netscape 3.x does not understand 4-digit years at all and |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
185 * 2-digit years more than "37" |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
186 */ |
8ac40cae79f0
nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
388
diff
changeset
|
187 |
455 | 188 return ngx_sprintf(buf, |
189 (tm.ngx_tm_year > 2037) ? | |
190 "%s, %02d-%s-%d %02d:%02d:%02d GMT": | |
191 "%s, %02d-%s-%02d %02d:%02d:%02d GMT", | |
192 week[tm.ngx_tm_wday], | |
193 tm.ngx_tm_mday, | |
194 months[tm.ngx_tm_mon - 1], | |
195 (tm.ngx_tm_year > 2037) ? tm.ngx_tm_year: | |
196 tm.ngx_tm_year % 100, | |
197 tm.ngx_tm_hour, | |
198 tm.ngx_tm_min, | |
199 tm.ngx_tm_sec); | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
200 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
201 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
202 |
501 | 203 void |
204 ngx_gmtime(time_t t, ngx_tm_t *tp) | |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
205 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
206 ngx_int_t sec, min, hour, mday, mon, year, wday, yday, days; |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
207 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
208 days = t / 86400; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
209 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
210 /* Jaunary 1, 1970 was Thursday */ |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
211 wday = (4 + days) % 7; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
212 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
213 t %= 86400; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
214 hour = t / 3600; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
215 t %= 3600; |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
207
diff
changeset
|
216 min = t / 60; |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
217 sec = t % 60; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
218 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
219 /* the algorithm based on Gauss's formula */ |
208
0b67be7d4489
nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
207
diff
changeset
|
220 |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
221 days = days - (31 + 28) + 719527; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
222 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
223 year = days * 400 / (365 * 400 + 100 - 4 + 1); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
224 yday = days - (365 * year + year / 4 - year / 100 + year / 400); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
225 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
226 mon = (yday + 31) * 12 / 367; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
227 mday = yday - (mon * 367 / 12 - 31); |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
228 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
229 mon += 2; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
230 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
231 if (yday >= 306) { |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
433
diff
changeset
|
232 |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
233 /* |
324
0ab66f4b6c4d
nginx-0.0.3-2004-04-22-00:13:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
234 * there is no "yday" in Win32 SYSTEMTIME |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
235 * |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
236 * yday -= 306; |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
237 */ |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
238 |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
239 year++; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
240 mon -= 12; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
241 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
242 if (mday == 0) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
243 /* Jaunary 31 */ |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
244 mon = 1; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
245 mday = 31; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
246 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
247 } else if (mon == 2) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
248 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
249 if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
250 if (mday > 29) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
251 mon = 3; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
252 mday -= 29; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
253 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
254 |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
255 } else if (mday > 28) { |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
256 mon = 3; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
257 mday -= 28; |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
258 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
259 } |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
260 /* |
324
0ab66f4b6c4d
nginx-0.0.3-2004-04-22-00:13:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
323
diff
changeset
|
261 * there is no "yday" in Win32 SYSTEMTIME |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
262 * |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
263 * } else { |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
264 * yday += 31 + 28; |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
265 * |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
266 * if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { |
489 | 267 * yday++; |
297
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
268 * } |
ee394e997c77
nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
269 */ |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
270 } |
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
271 |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
272 tp->ngx_tm_sec = (ngx_tm_sec_t) sec; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
273 tp->ngx_tm_min = (ngx_tm_min_t) min; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
274 tp->ngx_tm_hour = (ngx_tm_hour_t) hour; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
275 tp->ngx_tm_mday = (ngx_tm_mday_t) mday; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
276 tp->ngx_tm_mon = (ngx_tm_mon_t) mon; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
277 tp->ngx_tm_year = (ngx_tm_year_t) year; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
271
diff
changeset
|
278 tp->ngx_tm_wday = (ngx_tm_wday_t) wday; |
182
3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
181
diff
changeset
|
279 } |