Mercurial > hg > nginx

annotate src/core/ngx_times.c @ 4572:67653855682e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed spelling in multiline C comments.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 03 Apr 2012 07:37:31 +0000
parents 778ef9c3fd2d
children e23892a0c917
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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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
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3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 3873
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4 * Copyright (C) Nginx, Inc.
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
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5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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6
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a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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7
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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8 #include <ngx_config.h>
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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9 #include <ngx_core.h>
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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10
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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11
370
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Igor Sysoev <igor@sysoev.ru>
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12 /*
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
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13 * The time may be updated by signal handler or by several threads.
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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14 * The time update operations are rare and require to hold the ngx_time_lock.
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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parents: 557
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15 * The time read operations are frequent, so they are lock-free and get time
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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parents: 557
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16 * values and strings from the current slot. Thus thread may get the corrupted
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
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17 * values only if it is preempted while copying and then it is not scheduled
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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18 * to run more than NGX_TIME_SLOTS seconds.
370
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19 */
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
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20
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21 #define NGX_TIME_SLOTS 64
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22
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23 static ngx_uint_t slot;
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24 static ngx_atomic_t ngx_time_lock;
370
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Igor Sysoev <igor@sysoev.ru>
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25
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26 volatile ngx_msec_t ngx_current_msec;
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27 volatile ngx_time_t *ngx_cached_time;
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28 volatile ngx_str_t ngx_cached_err_log_time;
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29 volatile ngx_str_t ngx_cached_http_time;
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30 volatile ngx_str_t ngx_cached_http_log_time;
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31 volatile ngx_str_t ngx_cached_http_log_iso8601;
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32
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33 #if !(NGX_WIN32)
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34
d4c4cfdffe30 *) use previously cached GMT offset value to update time from a signal handler
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35 /*
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36 * localtime() and localtime_r() are not Async-Signal-Safe functions, therefore,
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ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
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parents: 3474
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37 * they must not be called by a signal handler, so we use the cached
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38 * GMT offset value. Fortunately the value is changed only two times a year.
d4c4cfdffe30 *) use previously cached GMT offset value to update time from a signal handler
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39 */
d4c4cfdffe30 *) use previously cached GMT offset value to update time from a signal handler
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40
d4c4cfdffe30 *) use previously cached GMT offset value to update time from a signal handler
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41 static ngx_int_t cached_gmtoff;
d4c4cfdffe30 *) use previously cached GMT offset value to update time from a signal handler
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42 #endif
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43
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44 static ngx_time_t cached_time[NGX_TIME_SLOTS];
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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45 static u_char cached_err_log_time[NGX_TIME_SLOTS]
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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46 [sizeof("1970/09/28 12:00:00")];
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47 static u_char cached_http_time[NGX_TIME_SLOTS]
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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48 [sizeof("Mon, 28 Sep 1970 06:00:00 GMT")];
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49 static u_char cached_http_log_time[NGX_TIME_SLOTS]
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
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50 [sizeof("28/Sep/1970:12:00:00 +0600")];
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parents: 3536
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51 static u_char cached_http_log_iso8601[NGX_TIME_SLOTS]
eae4a59ae59a $time_iso8601 log variable
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parents: 3536
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52 [sizeof("1970-09-28T12:00:00+06:00")];
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
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53
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
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54
326
8733703a37f3 nginx-0.0.3-2004-04-26-00:13:21 import
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55 static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
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56 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
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57 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
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58
501
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59 void
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60 ngx_time_init(void)
182
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61 {
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62 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
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63 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>
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64 ngx_cached_http_log_time.len = sizeof("28/Sep/1970:12:00:00 +0600") - 1;
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65 ngx_cached_http_log_iso8601.len = sizeof("1970-09-28T12:00:00+06:00") - 1;
323
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66
370
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67 ngx_cached_time = &cached_time[0];
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68
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69 ngx_time_update();
270
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70 }
266
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71
270
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72
563
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73 void
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74 ngx_time_update(void)
270
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75 {
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76 u_char *p0, *p1, *p2, *p3;
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77 ngx_tm_t tm, gmt;
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78 time_t sec;
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79 ngx_uint_t msec;
563
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80 ngx_time_t *tp;
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81 struct timeval tv;
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82
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83 if (!ngx_trylock(&ngx_time_lock)) {
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84 return;
266
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85 }
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86
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87 ngx_gettimeofday(&tv);
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88
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89 sec = tv.tv_sec;
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90 msec = tv.tv_usec / 1000;
563
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91
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92 ngx_current_msec = (ngx_msec_t) sec * 1000 + msec;
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93
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94 tp = &cached_time[slot];
266
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95
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96 if (tp->sec == sec) {
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97 tp->msec = msec;
563
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98 ngx_unlock(&ngx_time_lock);
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99 return;
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100 }
370
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101
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102 if (slot == NGX_TIME_SLOTS - 1) {
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103 slot = 0;
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104 } else {
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105 slot++;
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106 }
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107
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108 tp = &cached_time[slot];
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109
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110 tp->sec = sec;
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111 tp->msec = msec;
563
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112
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113 ngx_gmtime(sec, &gmt);
181
811bdd2af794 nginx-0.0.1-2003-11-12-20:25:12 import
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114
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115
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116 p0 = &cached_http_time[slot][0];
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117
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118 (void) ngx_sprintf(p0, "%s, %02d %s %4d %02d:%02d:%02d GMT",
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119 week[gmt.ngx_tm_wday], gmt.ngx_tm_mday,
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120 months[gmt.ngx_tm_mon - 1], gmt.ngx_tm_year,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
121 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
122
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
123 #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
124
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
125 tp->gmtoff = ngx_gettimezone();
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
126 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
127
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
128 #elif (NGX_HAVE_GMTOFF)
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
129
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
130 ngx_localtime(sec, &tm);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
131 cached_gmtoff = (ngx_int_t) (tm.ngx_tm_gmtoff / 60);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
132 tp->gmtoff = cached_gmtoff;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
133
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
134 #else
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
136 ngx_localtime(sec, &tm);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
137 cached_gmtoff = ngx_timezone(tm.ngx_tm_isdst);
3474
d4c4cfdffe30 *) use previously cached GMT offset value to update time from a signal handler
Igor Sysoev <igor@sysoev.ru>
parents: 2220
diff changeset
138 tp->gmtoff = cached_gmtoff;
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
140 #endif
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
141
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
142
1081
4cf9d9b644f7 fix segfault if nginx was build with -O2 -fomit-frame-pointer
Igor Sysoev <igor@sysoev.ru>
parents: 932
diff changeset
143 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
144
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
145 (void) ngx_sprintf(p1, "%4d/%02d/%02d %02d:%02d:%02d",
517
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
146 tm.ngx_tm_year, tm.ngx_tm_mon,
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
147 tm.ngx_tm_mday, tm.ngx_tm_hour,
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
148 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
149
323
ba876b26b76d nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 297
diff changeset
150
1081
4cf9d9b644f7 fix segfault if nginx was build with -O2 -fomit-frame-pointer
Igor Sysoev <igor@sysoev.ru>
parents: 932
diff changeset
151 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
152
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
153 (void) ngx_sprintf(p2, "%02d/%s/%d:%02d:%02d:%02d %c%02d%02d",
517
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
154 tm.ngx_tm_mday, months[tm.ngx_tm_mon - 1],
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
155 tm.ngx_tm_year, tm.ngx_tm_hour,
dadfa78d2270 nginx-0.1.33-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
156 tm.ngx_tm_min, tm.ngx_tm_sec,
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
157 tp->gmtoff < 0 ? '-' : '+',
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
158 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
159
3873
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
160 p3 = &cached_http_log_iso8601[slot][0];
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
161
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
162 (void) ngx_sprintf(p3, "%4d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d",
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
163 tm.ngx_tm_year, tm.ngx_tm_mon,
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
164 tm.ngx_tm_mday, tm.ngx_tm_hour,
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
165 tm.ngx_tm_min, tm.ngx_tm_sec,
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
166 tp->gmtoff < 0 ? '-' : '+',
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
167 ngx_abs(tp->gmtoff / 60), ngx_abs(tp->gmtoff % 60));
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
168
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
169
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
170 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
171
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
172 ngx_cached_time = tp;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
173 ngx_cached_http_time.data = p0;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
174 ngx_cached_err_log_time.data = p1;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
175 ngx_cached_http_log_time.data = p2;
3873
eae4a59ae59a $time_iso8601 log variable
Igor Sysoev <igor@sysoev.ru>
parents: 3536
diff changeset
176 ngx_cached_http_log_iso8601.data = p3;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
177
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
178 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
179 }
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
180
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
181
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
182 #if !(NGX_WIN32)
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
183
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
184 void
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
185 ngx_time_sigsafe_update(void)
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
186 {
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
187 u_char *p;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
188 ngx_tm_t tm;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
189 time_t sec;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
190 ngx_time_t *tp;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
191 struct timeval tv;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
192
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
193 if (!ngx_trylock(&ngx_time_lock)) {
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
194 return;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
195 }
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
196
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
197 ngx_gettimeofday(&tv);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
198
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
199 sec = tv.tv_sec;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
200
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
201 tp = &cached_time[slot];
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
202
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
203 if (tp->sec == sec) {
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
204 ngx_unlock(&ngx_time_lock);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
205 return;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
206 }
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
207
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
208 if (slot == NGX_TIME_SLOTS - 1) {
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
209 slot = 0;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
210 } else {
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
211 slot++;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
212 }
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
213
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
214 ngx_gmtime(sec + cached_gmtoff * 60, &tm);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
215
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
216 p = &cached_err_log_time[slot][0];
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
217
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
218 (void) ngx_sprintf(p, "%4d/%02d/%02d %02d:%02d:%02d",
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
219 tm.ngx_tm_year, tm.ngx_tm_mon,
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
220 tm.ngx_tm_mday, tm.ngx_tm_hour,
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
221 tm.ngx_tm_min, tm.ngx_tm_sec);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
222
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
223 ngx_memory_barrier();
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
224
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
225 ngx_cached_err_log_time.data = p;
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
226
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
227 ngx_unlock(&ngx_time_lock);
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
228 }
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
229
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
230 #endif
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
231
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
232
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
233 u_char *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
234 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
235 {
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
236 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
237
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
238 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
239
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
240 return ngx_sprintf(buf, "%s, %02d %s %4d %02d:%02d:%02d GMT",
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
241 week[tm.ngx_tm_wday],
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
242 tm.ngx_tm_mday,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
243 months[tm.ngx_tm_mon - 1],
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
244 tm.ngx_tm_year,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
245 tm.ngx_tm_hour,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
246 tm.ngx_tm_min,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
247 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
248 }
8ac40cae79f0 nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 388
diff changeset
249
8ac40cae79f0 nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 388
diff changeset
250
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
251 u_char *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
252 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
253 {
8ac40cae79f0 nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 388
diff changeset
254 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
255
8ac40cae79f0 nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 388
diff changeset
256 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
257
8ac40cae79f0 nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 388
diff changeset
258 /*
8ac40cae79f0 nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 388
diff changeset
259 * 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
260 * 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
261 */
8ac40cae79f0 nginx-0.0.10-2004-08-29-07:55:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 388
diff changeset
262
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
263 return ngx_sprintf(buf,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
264 (tm.ngx_tm_year > 2037) ?
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
265 "%s, %02d-%s-%d %02d:%02d:%02d GMT":
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
266 "%s, %02d-%s-%02d %02d:%02d:%02d GMT",
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
267 week[tm.ngx_tm_wday],
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
268 tm.ngx_tm_mday,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
269 months[tm.ngx_tm_mon - 1],
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
270 (tm.ngx_tm_year > 2037) ? tm.ngx_tm_year:
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
271 tm.ngx_tm_year % 100,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
272 tm.ngx_tm_hour,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
273 tm.ngx_tm_min,
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
274 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
275 }
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
276
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
277
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
278 void
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
279 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
280 {
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
281 ngx_int_t yday;
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
282 ngx_uint_t n, sec, min, hour, mday, mon, year, wday, days, leap;
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
283
1874
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
284 /* the calculation is valid for positive time_t only */
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
285
1874
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
286 n = (ngx_uint_t) t;
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
287
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
288 days = n / 86400;
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
289
4499
778ef9c3fd2d Fixed spelling in single-line comments.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
290 /* January 1, 1970 was Thursday */
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
291
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
292 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
293
1874
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
294 n %= 86400;
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
295 hour = n / 3600;
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
296 n %= 3600;
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
297 min = n / 60;
085e536d856d treat time_t as unsigned time
Igor Sysoev <igor@sysoev.ru>
parents: 1640
diff changeset
298 sec = n % 60;
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
299
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
300 /*
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
301 * the algorithm based on Gauss' formula,
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
302 * see src/http/ngx_http_parse_time.c
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
303 */
208
0b67be7d4489 nginx-0.0.1-2003-12-08-23:48:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 207
diff changeset
304
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
305 /* days since March 1, 1 BC */
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
306 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
307
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
308 /*
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
309 * The "days" should be adjusted to 1 only, however, some March 1st's go
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
310 * to previous year, so we adjust them to 2. This causes also shift of the
4572
67653855682e Fixed spelling in multiline C comments.
Ruslan Ermilov <ru@nginx.com>
parents: 4499
diff changeset
311 * last February days to next year, but we catch the case when "yday"
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
312 * becomes negative.
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
313 */
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
314
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
315 year = (days + 2) * 400 / (365 * 400 + 100 - 4 + 1);
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
316
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
317 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
318
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
319 if (yday < 0) {
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
320 leap = (year % 4 == 0) && (year % 100 || (year % 400 == 0));
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
321 yday = 365 + leap + yday;
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
322 year--;
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
323 }
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
324
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
325 /*
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
326 * The empirical formula that maps "yday" to month.
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
327 * There are at least 10 variants, some of them are:
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
328 * mon = (yday + 31) * 15 / 459
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
329 * mon = (yday + 31) * 17 / 520
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
330 * mon = (yday + 31) * 20 / 612
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
331 */
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
332
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
333 mon = (yday + 31) * 10 / 306;
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
334
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
335 /* the Gauss' formula that evaluates days before the month */
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
336
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
337 mday = yday - (367 * mon / 12 - 30) + 1;
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
338
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
339 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
340
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
341 year++;
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
342 mon -= 10;
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
343
297
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
344 /*
324
0ab66f4b6c4d nginx-0.0.3-2004-04-22-00:13:48 import
Igor Sysoev <igor@sysoev.ru>
parents: 323
diff changeset
345 * 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
346 *
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
347 * yday -= 306;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
348 */
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
349
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
350 } else {
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
351
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
352 mon += 2;
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
353
1970
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
354 /*
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
355 * there is no "yday" in Win32 SYSTEMTIME
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
356 *
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
357 * yday += 31 + 28 + leap;
5bb2c374cab2 use more straightforward ngx_gmtime() implementation
Igor Sysoev <igor@sysoev.ru>
parents: 1874
diff changeset
358 */
182
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
359 }
3c49eaf3f522 nginx-0.0.1-2003-11-13-09:14:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 181
diff changeset
360
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 271
diff changeset
361 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
362 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
363 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
364 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
365 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
366 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
367 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
368 }
2162
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
diff changeset
369
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
diff changeset
370
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
diff changeset
371 time_t
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
diff changeset
372 ngx_next_time(time_t when)
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
diff changeset
373 {
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
diff changeset
374 time_t now, next;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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375 struct tm tm;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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376
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Igor Sysoev <igor@sysoev.ru>
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377 now = ngx_time();
429269167fab ngx_next_time()
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378
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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379 ngx_libc_localtime(now, &tm);
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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380
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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381 tm.tm_hour = (int) (when / 3600);
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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382 when %= 3600;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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383 tm.tm_min = (int) (when / 60);
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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384 tm.tm_sec = (int) (when % 60);
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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385
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Igor Sysoev <igor@sysoev.ru>
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386 next = mktime(&tm);
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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387
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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388 if (next == -1) {
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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389 return -1;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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390 }
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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391
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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392 if (next - now > 0) {
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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393 return next;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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394 }
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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395
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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396 tm.tm_mday++;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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397
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Igor Sysoev <igor@sysoev.ru>
parents: 1970
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398 /* mktime() should normalize a date (Jan 32, etc) */
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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399
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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400 next = mktime(&tm);
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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401
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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402 if (next != -1) {
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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403 return next;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
parents: 1970
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404 }
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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405
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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406 return -1;
429269167fab ngx_next_time()
Igor Sysoev <igor@sysoev.ru>
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407 }