Mercurial > hg > nginx-quic
annotate src/event/ngx_event_timer.h @ 9050:69c7df4fe5d3
SSL: switched to detect log level based on the last error.
In some cases there might be multiple errors in the OpenSSL error queue,
notably when a libcrypto call fails, and then the SSL layer generates
an error itself. For example, the following errors were observed
with OpenSSL 3.0.8 with TLSv1.3 enabled:
SSL_do_handshake() failed (SSL: error:02800066:Diffie-Hellman routines::invalid public key error:0A000132:SSL routines::bad ecpoint)
SSL_do_handshake() failed (SSL: error:08000066:elliptic curve routines::invalid encoding error:0A000132:SSL routines::bad ecpoint)
SSL_do_handshake() failed (SSL: error:0800006B:elliptic curve routines::point is not on curve error:0A000132:SSL routines::bad ecpoint)
In such cases it seems to be better to determine logging level based on
the last error in the error queue (the one added by the SSL layer,
SSL_R_BAD_ECPOINT in all of the above example example errors). To do so,
the ngx_ssl_connection_error() function was changed to use
ERR_peek_last_error().
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 08 Mar 2023 22:21:53 +0300 |
parents | 3069dd358ba2 |
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rev | line source |
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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_EVENT_TIMER_H_INCLUDED_ |
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9 #define _NGX_EVENT_TIMER_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 #include <ngx_event.h> |
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501 | 17 #define NGX_TIMER_INFINITE (ngx_msec_t) -1 |
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18 |
493 | 19 #define NGX_TIMER_LAZY_DELAY 300 |
20 | |
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22 ngx_int_t ngx_event_timer_init(ngx_log_t *log); |
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23 ngx_msec_t ngx_event_find_timer(void); |
557 | 24 void ngx_event_expire_timers(void); |
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25 ngx_int_t ngx_event_no_timers_left(void); |
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28 extern ngx_rbtree_t ngx_event_timer_rbtree; |
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493 | 31 static ngx_inline void |
32 ngx_event_del_timer(ngx_event_t *ev) | |
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33 { |
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34 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
557 | 35 "event timer del: %d: %M", |
559 | 36 ngx_event_ident(ev->data), ev->timer.key); |
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37 |
559 | 38 ngx_rbtree_delete(&ngx_event_timer_rbtree, &ev->timer); |
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40 #if (NGX_DEBUG) |
559 | 41 ev->timer.left = NULL; |
42 ev->timer.right = NULL; | |
43 ev->timer.parent = NULL; | |
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44 #endif |
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46 ev->timer_set = 0; |
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47 } |
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493 | 50 static ngx_inline void |
51 ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) | |
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52 { |
561 | 53 ngx_msec_t key; |
54 ngx_msec_int_t diff; | |
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563 | 56 key = ngx_current_msec + timer; |
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58 if (ev->timer_set) { |
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60 /* |
1807 | 61 * Use a previous timer value if difference between it and a new |
62 * value is less than NGX_TIMER_LAZY_DELAY milliseconds: this allows | |
63 * to minimize the rbtree operations for fast connections. | |
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64 */ |
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65 |
561 | 66 diff = (ngx_msec_int_t) (key - ev->timer.key); |
557 | 67 |
68 if (ngx_abs(diff) < NGX_TIMER_LAZY_DELAY) { | |
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69 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
557 | 70 "event timer: %d, old: %M, new: %M", |
559 | 71 ngx_event_ident(ev->data), ev->timer.key, key); |
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72 return; |
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73 } |
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74 |
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75 ngx_del_timer(ev); |
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76 } |
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559 | 78 ev->timer.key = key; |
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79 |
557 | 80 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
81 "event timer add: %d: %M:%M", | |
559 | 82 ngx_event_ident(ev->data), timer, ev->timer.key); |
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83 |
559 | 84 ngx_rbtree_insert(&ngx_event_timer_rbtree, &ev->timer); |
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86 ev->timer_set = 1; |
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87 } |
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90 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */ |