Mercurial > hg > nginx
annotate src/core/ngx_regex.h @ 8338:0f9e9786b90d quic
Added primitive flow control mechanisms.
+ MAX_STREAM_DATA frame is sent when recv() is performed on stream
The new value is a sum of total bytes received by stream + free
space in a buffer;
The sending of MAX_STREM_DATA frame in response to STREAM_DATA_BLOCKED
frame is adjusted to follow the same logic as above.
+ MAX_DATA frame is sent when total amount of received data is 2x
of current limit. The limit is doubled.
+ Default values of transport parameters are adjusted to more meaningful
values:
initial stream limits are set to quic buffer size instead of
unrealistically small 255.
initial max data is decreased to 16 buffer sizes, in an assumption that
this is enough for a relatively short connection, instead of randomly
chosen big number.
All this allows to initiate a stable flow of streams that does not block
on stream/connection limits (tested with FF 77.0a1 and 100K requests)
author | Vladimir Homutov <vl@nginx.com> |
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date | Wed, 15 Apr 2020 18:54:03 +0300 |
parents | 6e1a48bcf915 |
children | 0b5f12d5c531 |
rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_REGEX_H_INCLUDED_ |
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9 #define _NGX_REGEX_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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15 #include <pcre.h> |
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18 #define NGX_REGEX_NO_MATCHED PCRE_ERROR_NOMATCH /* -1 */ |
481 | 19 |
20 #define NGX_REGEX_CASELESS PCRE_CASELESS | |
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23 typedef struct { |
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24 pcre *code; |
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25 pcre_extra *extra; |
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26 } ngx_regex_t; |
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27 |
3325 | 28 |
1784 | 29 typedef struct { |
3325 | 30 ngx_str_t pattern; |
31 ngx_pool_t *pool; | |
32 ngx_int_t options; | |
33 | |
34 ngx_regex_t *regex; | |
35 int captures; | |
36 int named_captures; | |
37 int name_size; | |
38 u_char *names; | |
39 ngx_str_t err; | |
40 } ngx_regex_compile_t; | |
41 | |
42 | |
43 typedef struct { | |
44 ngx_regex_t *regex; | |
45 u_char *name; | |
1784 | 46 } ngx_regex_elt_t; |
47 | |
48 | |
499 | 49 void ngx_regex_init(void); |
3325 | 50 ngx_int_t ngx_regex_compile(ngx_regex_compile_t *rc); |
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51 |
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52 #define ngx_regex_exec(re, s, captures, size) \ |
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53 pcre_exec(re->code, re->extra, (const char *) (s)->data, (s)->len, 0, 0, \ |
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54 captures, size) |
3325 | 55 #define ngx_regex_exec_n "pcre_exec()" |
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56 |
1784 | 57 ngx_int_t ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log); |
58 | |
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60 #endif /* _NGX_REGEX_H_INCLUDED_ */ |