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annotate src/event/ngx_event_connect.h @ 5832:d09b689911ac

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Upstream: limited next_upstream time and tries (ticket #544). The new directives {proxy,fastcgi,scgi,uwsgi,memcached}_next_upstream_tries and {proxy,fastcgi,scgi,uwsgi,memcached}_next_upstream_timeout limit the number of upstreams tried and the maximum time spent for these tries when searching for a valid upstream.
author Roman Arutyunyan <arut@nginx.com>
date Fri, 12 Sep 2014 18:50:47 +0400
parents d620f497c50f
children 457ec43dd8d5
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2 /*
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3 * Copyright (C) Igor Sysoev
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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
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20
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21
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22 typedef struct ngx_peer_connection_s ngx_peer_connection_t;
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23
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24 typedef ngx_int_t (*ngx_event_get_peer_pt)(ngx_peer_connection_t *pc,
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25 void *data);
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26 typedef void (*ngx_event_free_peer_pt)(ngx_peer_connection_t *pc, void *data,
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27 ngx_uint_t state);
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28 #if (NGX_SSL)
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29
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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);
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34 #endif
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36
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37 struct ngx_peer_connection_s {
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38 ngx_connection_t *connection;
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39
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40 struct sockaddr *sockaddr;
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41 socklen_t socklen;
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42 ngx_str_t *name;
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43
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44 ngx_uint_t tries;
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45 ngx_msec_t start_time;
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46
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47 ngx_event_get_peer_pt get;
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48 ngx_event_free_peer_pt free;
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49 void *data;
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50
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51 #if (NGX_SSL)
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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 #if (NGX_THREADS)
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57 ngx_atomic_t *lock;
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58 #endif
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59
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60 ngx_addr_t *local;
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62 int rcvbuf;
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63
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64 ngx_log_t *log;
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66 unsigned cached:1;
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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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73 ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc);
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74 ngx_int_t ngx_event_get_peer(ngx_peer_connection_t *pc, void *data);
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77 #endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */