Mercurial > hg > nginx-quic
view src/core/ngx_times.c @ 187:5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 17 Nov 2003 16:15:03 +0000 |
parents | 3c49eaf3f522 |
children | 02a715e85df1 |
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#include <ngx_config.h> #include <ngx_core.h> time_t ngx_cached_time; ngx_tm_t ngx_cached_gmtime; static char cached_err_log_time[] = "1970/09/28 12:00:00"; ngx_str_t ngx_cached_err_log_time; static char cached_http_time[] = "Mon, 28 Sep 1970 06:00:00 GMT"; ngx_str_t ngx_cached_http_time; static char cached_http_log_time[] = "28/Sep/1970:12:00:00"; ngx_str_t ngx_cached_http_log_time; static char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fir", "Sat" }; static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; void ngx_init_time() { struct timeval tv; ngx_memzero(&ngx_cached_gmtime, sizeof(ngx_tm_t)); #ifdef ngx_tm_zone ngx_cached_gmtime.ngx_tm_zone = "GMT"; #endif ngx_cached_err_log_time.data = cached_err_log_time; ngx_cached_http_time.data = cached_http_time; ngx_cached_http_log_time.data = cached_http_log_time; ngx_gettimeofday(&tv); ngx_cached_time = tv.tv_sec; ngx_time_update(); } time_t ngx_time() { return ngx_cached_time; } void ngx_time_update() { ngx_tm_t tm; ngx_gmtime(ngx_cached_time, &ngx_cached_gmtime); ngx_cached_http_time.len = ngx_snprintf(ngx_cached_http_time.data, sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), "%s, %02d %s %4d %02d:%02d:%02d GMT", week[ngx_cached_gmtime.ngx_tm_wday], ngx_cached_gmtime.ngx_tm_mday, months[ngx_cached_gmtime.ngx_tm_mon - 1], ngx_cached_gmtime.ngx_tm_year, ngx_cached_gmtime.ngx_tm_hour, ngx_cached_gmtime.ngx_tm_min, ngx_cached_gmtime.ngx_tm_sec); ngx_localtime(&tm); ngx_cached_err_log_time.len = ngx_snprintf(ngx_cached_err_log_time.data, sizeof("1970/09/28 12:00:00"), "%4d/%02d/%02d %02d:%02d:%02d", tm.ngx_tm_year, tm.ngx_tm_mon, tm.ngx_tm_mday, tm.ngx_tm_hour, tm.ngx_tm_min, tm.ngx_tm_sec); ngx_cached_http_log_time.len = ngx_snprintf(ngx_cached_http_log_time.data, sizeof("28/Sep/1970:12:00:00"), "%02d/%s/%d:%02d:%02d:%02d", tm.ngx_tm_mday, months[tm.ngx_tm_mon - 1], tm.ngx_tm_year, tm.ngx_tm_hour, tm.ngx_tm_min, tm.ngx_tm_sec); } size_t ngx_http_time(char *buf, time_t t) { ngx_tm_t tm; ngx_gmtime(t, &tm); return ngx_snprintf(buf, sizeof("Mon, 28 Sep 1970 06:00:00 GMT"), "%s, %02d %s %4d %02d:%02d:%02d GMT", week[tm.ngx_tm_wday], tm.ngx_tm_mday, months[tm.ngx_tm_mon - 1], tm.ngx_tm_year, tm.ngx_tm_hour, tm.ngx_tm_min, tm.ngx_tm_sec); } void ngx_gmtime(time_t t, ngx_tm_t *tp) { int sec, min, hour, mday, mon, year, wday, yday, days; days = t / 86400; /* Jaunary 1, 1970 was Thursday */ wday = (4 + days) % 7; t %= 86400; hour = t / 3600; t %= 3600; min = t / 60; sec = t % 60; /* the algorithm based on Gauss's formula */ days = days - (31 + 28) + 719527; year = days * 400 / (365 * 400 + 100 - 4 + 1); yday = days - (365 * year + year / 4 - year / 100 + year / 400); mon = (yday + 31) * 12 / 367; mday = yday - (mon * 367 / 12 - 31); mon += 2; if (yday >= 306) { yday -= 306; year++; mon -= 12; if (mday == 0) { /* Jaunary 31 */ mon = 1; mday = 31; } else if (mon == 2) { if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { if (mday > 29) { mon = 3; mday -= 29; } } else if (mday > 28) { mon = 3; mday -= 28; } } } else { yday += 31 + 28; if ((year % 4 == 0) && (year % 100 || (year % 400 == 0))) { yday++; } } tp->ngx_tm_sec = sec; tp->ngx_tm_min = min; tp->ngx_tm_hour = hour; tp->ngx_tm_mday = mday; tp->ngx_tm_mon = mon; tp->ngx_tm_year = year; tp->ngx_tm_wday = wday; }