Mercurial > hg > nginx
annotate src/event/ngx_event_connect.h @ 8698:9ed95726b99b quic
QUIC: send PING frames on PTO expiration.
Two PING frames are sent per level that generate two UDP datagrams.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Fri, 12 Feb 2021 14:51:53 +0300 |
parents | 570d8c626eea |
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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 #ifndef _NGX_EVENT_CONNECT_H_INCLUDED_ |
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9 #define _NGX_EVENT_CONNECT_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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17 #define NGX_PEER_KEEPALIVE 1 |
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18 #define NGX_PEER_NEXT 2 |
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19 #define NGX_PEER_FAILED 4 |
884 | 20 |
21 | |
22 typedef struct ngx_peer_connection_s ngx_peer_connection_t; | |
23 | |
24 typedef ngx_int_t (*ngx_event_get_peer_pt)(ngx_peer_connection_t *pc, | |
25 void *data); | |
26 typedef void (*ngx_event_free_peer_pt)(ngx_peer_connection_t *pc, void *data, | |
27 ngx_uint_t state); | |
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28 typedef void (*ngx_event_notify_peer_pt)(ngx_peer_connection_t *pc, |
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29 void *data, ngx_uint_t type); |
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30 typedef ngx_int_t (*ngx_event_set_peer_session_pt)(ngx_peer_connection_t *pc, |
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31 void *data); |
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32 typedef void (*ngx_event_save_peer_session_pt)(ngx_peer_connection_t *pc, |
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33 void *data); |
884 | 34 |
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884 | 36 struct ngx_peer_connection_s { |
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37 ngx_connection_t *connection; |
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39 struct sockaddr *sockaddr; |
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40 socklen_t socklen; |
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41 ngx_str_t *name; |
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43 ngx_uint_t tries; |
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44 ngx_msec_t start_time; |
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46 ngx_event_get_peer_pt get; |
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47 ngx_event_free_peer_pt free; |
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48 ngx_event_notify_peer_pt notify; |
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49 void *data; |
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51 #if (NGX_SSL || NGX_COMPAT) |
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52 ngx_event_set_peer_session_pt set_session; |
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53 ngx_event_save_peer_session_pt save_session; |
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54 #endif |
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56 ngx_addr_t *local; |
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6436 | 58 int type; |
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59 int rcvbuf; |
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60 |
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61 ngx_log_t *log; |
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62 |
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63 unsigned cached:1; |
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64 unsigned transparent:1; |
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65 unsigned so_keepalive:1; |
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66 unsigned down:1; |
884 | 67 |
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68 /* ngx_connection_log_error_e */ |
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69 unsigned log_error:2; |
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70 |
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71 NGX_COMPAT_BEGIN(2) |
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72 NGX_COMPAT_END |
884 | 73 }; |
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75 |
461 | 76 ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc); |
884 | 77 ngx_int_t ngx_event_get_peer(ngx_peer_connection_t *pc, void *data); |
78 | |
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79 |
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80 #endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */ |