Mercurial > hg > nginx
annotate src/core/ngx_array.c @ 8998:308ac307b3e6 quic
QUIC: improved debug logging.
- wording in log->action is adjusted to match function names.
- connection close steps are made obvious and start with "quic close" prefix:
*1 quic close initiated rc:-4
*1 quic close silent drain:0 timedout:1
*1 quic close resumed rc:-1
*1 quic close resumed rc:-1
*1 quic close resumed rc:-4
*1 quic close completed
this makes it easy to understand if particular "close" record is an initial
cause or lasting process, or the final one.
- cases of close without quic connection now logged as "packet rejected":
*14 quic run
*14 quic packet rx long flags:ec version:1
*14 quic packet rx hs len:61
*14 quic packet rx dcid len:20 00000000000002c32f60e4aa2b90a64a39dc4228
*14 quic packet rx scid len:8 81190308612cd019
*14 quic expected initial, got handshake
*14 quic packet done rc:-1 level:hs decr:0 pn:0 perr:0
*14 quic packet rejected rc:-1, cleanup connection
*14 reusable connection: 0
this makes it easy to spot early packet rejection and avoid confuse with
quic connection closing (which in fact was not even created).
- packet processing summary now uses same prefix "quic packet done rc:"
- added debug to places where packet was rejected without any reason logged
author | Vladimir Homutov <vl@nginx.com> |
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date | Tue, 01 Feb 2022 15:43:56 +0300 |
parents | 4fef8ed52389 |
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rev | line source |
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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. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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11 |
605 | 12 ngx_array_t * |
13 ngx_array_create(ngx_pool_t *p, ngx_uint_t n, size_t size) | |
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14 { |
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15 ngx_array_t *a; |
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16 |
501 | 17 a = ngx_palloc(p, sizeof(ngx_array_t)); |
18 if (a == NULL) { | |
485 | 19 return NULL; |
20 } | |
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21 |
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22 if (ngx_array_init(a, p, n, size) != NGX_OK) { |
485 | 23 return NULL; |
24 } | |
25 | |
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26 return a; |
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27 } |
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29 |
605 | 30 void |
31 ngx_array_destroy(ngx_array_t *a) | |
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32 { |
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33 ngx_pool_t *p; |
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34 |
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35 p = a->pool; |
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36 |
2049 | 37 if ((u_char *) a->elts + a->size * a->nalloc == p->d.last) { |
38 p->d.last -= a->size * a->nalloc; | |
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39 } |
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40 |
2049 | 41 if ((u_char *) a + sizeof(ngx_array_t) == p->d.last) { |
42 p->d.last = (u_char *) a; | |
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43 } |
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44 } |
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46 |
605 | 47 void * |
48 ngx_array_push(ngx_array_t *a) | |
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49 { |
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50 void *elt, *new; |
485 | 51 size_t size; |
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52 ngx_pool_t *p; |
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53 |
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54 if (a->nelts == a->nalloc) { |
485 | 55 |
56 /* the array is full */ | |
57 | |
58 size = a->size * a->nalloc; | |
59 | |
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60 p = a->pool; |
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61 |
2049 | 62 if ((u_char *) a->elts + size == p->d.last |
63 && p->d.last + a->size <= p->d.end) | |
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64 { |
485 | 65 /* |
66 * the array allocation is the last in the pool | |
67 * and there is space for new allocation | |
68 */ | |
69 | |
2049 | 70 p->d.last += a->size; |
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71 a->nalloc++; |
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72 |
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73 } else { |
485 | 74 /* allocate a new array */ |
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75 |
501 | 76 new = ngx_palloc(p, 2 * size); |
77 if (new == NULL) { | |
485 | 78 return NULL; |
79 } | |
80 | |
81 ngx_memcpy(new, a->elts, size); | |
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82 a->elts = new; |
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83 a->nalloc *= 2; |
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84 } |
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85 } |
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86 |
485 | 87 elt = (u_char *) a->elts + a->size * a->nelts; |
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88 a->nelts++; |
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89 |
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90 return elt; |
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91 } |
485 | 92 |
93 | |
605 | 94 void * |
95 ngx_array_push_n(ngx_array_t *a, ngx_uint_t n) | |
485 | 96 { |
97 void *elt, *new; | |
98 size_t size; | |
99 ngx_uint_t nalloc; | |
100 ngx_pool_t *p; | |
101 | |
102 size = n * a->size; | |
103 | |
104 if (a->nelts + n > a->nalloc) { | |
105 | |
106 /* the array is full */ | |
107 | |
108 p = a->pool; | |
109 | |
2049 | 110 if ((u_char *) a->elts + a->size * a->nalloc == p->d.last |
111 && p->d.last + size <= p->d.end) | |
485 | 112 { |
113 /* | |
114 * the array allocation is the last in the pool | |
115 * and there is space for new allocation | |
116 */ | |
117 | |
2049 | 118 p->d.last += size; |
485 | 119 a->nalloc += n; |
120 | |
121 } else { | |
122 /* allocate a new array */ | |
123 | |
124 nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc); | |
125 | |
501 | 126 new = ngx_palloc(p, nalloc * a->size); |
127 if (new == NULL) { | |
485 | 128 return NULL; |
129 } | |
130 | |
131 ngx_memcpy(new, a->elts, a->nelts * a->size); | |
132 a->elts = new; | |
133 a->nalloc = nalloc; | |
134 } | |
135 } | |
136 | |
137 elt = (u_char *) a->elts + a->size * a->nelts; | |
138 a->nelts += n; | |
139 | |
140 return elt; | |
141 } |