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annotate src/core/ngx_times.h @ 7892:2096b21fcd10

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gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792). As per https://tools.ietf.org/html/rfc7540#section-8.1, : A server can send a complete response prior to the client : sending an entire request if the response does not depend on : any portion of the request that has not been sent and : received. When this is true, a server MAY request that the : client abort transmission of a request without error by : sending a RST_STREAM with an error code of NO_ERROR after : sending a complete response (i.e., a frame with the : END_STREAM flag). Clients MUST NOT discard responses as a : result of receiving such a RST_STREAM, though clients can : always discard responses at their discretion for other : reasons. Previously, RST_STREAM(NO_ERROR) received from upstream after a frame with the END_STREAM flag was incorrectly treated as an error. Now, a single RST_STREAM(NO_ERROR) is properly handled. This fixes problems observed with modern grpc-c [1], as well as with the Go gRPC module. [1] https://github.com/grpc/grpc/pull/1661
author Ruslan Ermilov <ru@nginx.com>
date Thu, 23 Apr 2020 15:10:24 +0300
parents 76e7e20cda05
children
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_TIMES_H_INCLUDED_
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9 #define _NGX_TIMES_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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16 typedef struct {
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17 time_t sec;
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18 ngx_uint_t msec;
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19 ngx_int_t gmtoff;
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20 } ngx_time_t;
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23 void ngx_time_init(void);
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24 void ngx_time_update(void);
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25 void ngx_time_sigsafe_update(void);
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26 u_char *ngx_http_time(u_char *buf, time_t t);
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27 u_char *ngx_http_cookie_time(u_char *buf, time_t t);
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28 void ngx_gmtime(time_t t, ngx_tm_t *tp);
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29
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30 time_t ngx_next_time(time_t when);
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31 #define ngx_next_time_n "mktime()"
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34 extern volatile ngx_time_t *ngx_cached_time;
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36 #define ngx_time() ngx_cached_time->sec
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37 #define ngx_timeofday() (ngx_time_t *) ngx_cached_time
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39 extern volatile ngx_str_t ngx_cached_err_log_time;
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40 extern volatile ngx_str_t ngx_cached_http_time;
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41 extern volatile ngx_str_t ngx_cached_http_log_time;
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42 extern volatile ngx_str_t ngx_cached_http_log_iso8601;
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43 extern volatile ngx_str_t ngx_cached_syslog_time;
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45 /*
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46 * milliseconds elapsed since some unspecified point in the past
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47 * and truncated to ngx_msec_t, used in event timers
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48 */
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49 extern volatile ngx_msec_t ngx_current_msec;
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52 #endif /* _NGX_TIMES_H_INCLUDED_ */