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annotate src/core/ngx_list.c @ 8998:308ac307b3e6 quic

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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>
date Tue, 01 Feb 2022 15:43:56 +0300
parents a82f305487c2
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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d620f497c50f Copyright updated.
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4 * Copyright (C) Nginx, Inc.
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5 */
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388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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12 ngx_list_t *
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13 ngx_list_create(ngx_pool_t *pool, ngx_uint_t n, size_t size)
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14 {
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15 ngx_list_t *list;
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16
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17 list = ngx_palloc(pool, sizeof(ngx_list_t));
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18 if (list == NULL) {
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19 return NULL;
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20 }
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21
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a82f305487c2 Simplified ngx_list_create().
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22 if (ngx_list_init(list, pool, n, size) != NGX_OK) {
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23 return NULL;
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24 }
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25
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26 return list;
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27 }
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28
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29
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30 void *
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31 ngx_list_push(ngx_list_t *l)
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32 {
388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
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33 void *elt;
388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
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34 ngx_list_part_t *last;
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36 last = l->last;
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388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
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38 if (last->nelts == l->nalloc) {
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40 /* the last part is full, allocate a new list part */
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41
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42 last = ngx_palloc(l->pool, sizeof(ngx_list_part_t));
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43 if (last == NULL) {
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44 return NULL;
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45 }
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47 last->elts = ngx_palloc(l->pool, l->nalloc * l->size);
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48 if (last->elts == NULL) {
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49 return NULL;
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50 }
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52 last->nelts = 0;
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53 last->next = NULL;
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55 l->last->next = last;
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56 l->last = last;
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57 }
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388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
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59 elt = (char *) last->elts + l->size * last->nelts;
388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
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60 last->nelts++;
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61
388a842cbbe1 nginx-0.0.10-2004-09-03-19:50:30 import
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62 return elt;
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63 }