Mercurial > hg > nginx
annotate src/os/unix/ngx_thread.h @ 9189:fcec773dd249
QUIC: avoid partial expansion of PATH_CHALLENGE/PATH_RESPONSE.
By default packets with these frames are expanded to 1200 bytes. Previously,
if anti-amplification limit did not allow this expansion, it was limited to
whatever size was allowed. However RFC 9000 clearly states no partial
expansion should happen in both cases.
Section 8.2.1. Initiating Path Validation:
An endpoint MUST expand datagrams that contain a PATH_CHALLENGE frame
to at least the smallest allowed maximum datagram size of 1200 bytes,
unless the anti-amplification limit for the path does not permit
sending a datagram of this size.
Section 8.2.2. Path Validation Responses:
An endpoint MUST expand datagrams that contain a PATH_RESPONSE frame
to at least the smallest allowed maximum datagram size of 1200 bytes.
...
However, an endpoint MUST NOT expand the datagram containing the
PATH_RESPONSE if the resulting data exceeds the anti-amplification limit.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 29 Nov 2023 18:13:25 +0400 |
parents | d230c797b168 |
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rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_THREAD_H_INCLUDED_ |
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9 #define _NGX_THREAD_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 |
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15 #if (NGX_THREADS) |
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16 |
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17 #include <pthread.h> |
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18 |
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19 |
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20 typedef pthread_mutex_t ngx_thread_mutex_t; |
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21 |
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22 ngx_int_t ngx_thread_mutex_create(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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23 ngx_int_t ngx_thread_mutex_destroy(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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24 ngx_int_t ngx_thread_mutex_lock(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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25 ngx_int_t ngx_thread_mutex_unlock(ngx_thread_mutex_t *mtx, ngx_log_t *log); |
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26 |
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27 |
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28 typedef pthread_cond_t ngx_thread_cond_t; |
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29 |
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30 ngx_int_t ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log); |
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31 ngx_int_t ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log); |
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32 ngx_int_t ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log); |
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33 ngx_int_t ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx, |
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34 ngx_log_t *log); |
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35 |
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36 |
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37 #if (NGX_LINUX) |
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38 |
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39 typedef pid_t ngx_tid_t; |
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40 #define NGX_TID_T_FMT "%P" |
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41 |
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42 #elif (NGX_FREEBSD) |
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43 |
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44 typedef uint32_t ngx_tid_t; |
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45 #define NGX_TID_T_FMT "%uD" |
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46 |
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47 #elif (NGX_DARWIN) |
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48 |
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49 typedef uint64_t ngx_tid_t; |
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50 #define NGX_TID_T_FMT "%uL" |
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51 |
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52 #else |
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53 |
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54 typedef uint64_t ngx_tid_t; |
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55 #define NGX_TID_T_FMT "%uL" |
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56 |
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57 #endif |
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58 |
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59 ngx_tid_t ngx_thread_tid(void); |
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60 |
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61 #define ngx_log_tid ngx_thread_tid() |
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62 |
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63 #else |
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461 | 65 #define ngx_log_tid 0 |
66 #define NGX_TID_T_FMT "%d" | |
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67 |
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68 #endif |
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70 |
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71 #endif /* _NGX_THREAD_H_INCLUDED_ */ |