nginx/src/event/ngx_event_connect.h

   1
   2 /*
   3  * Copyright (C) Igor Sysoev
   4  */
   5
   6
   7 #ifndef _NGX_EVENT_CONNECT_H_INCLUDED_
   8 #define _NGX_EVENT_CONNECT_H_INCLUDED_
   9
  10
  11 #include <ngx_config.h>
  12 #include <ngx_core.h>
  13 #include <ngx_event.h>
  14
  15
  16 #define NGX_PEER_KEEPALIVE           1
  17 #define NGX_PEER_NEXT                2
  18 #define NGX_PEER_FAILED              4
  19
  20
  21 typedef struct ngx_peer_connection_s  ngx_peer_connection_t;
  22
  23 typedef ngx_int_t (*ngx_event_get_peer_pt)(ngx_peer_connection_t *pc,
  24     void *data);
  25 typedef void (*ngx_event_free_peer_pt)(ngx_peer_connection_t *pc, void *data,
  26     ngx_uint_t state);
  27 #if (NGX_SSL)
  28
  29 typedef ngx_int_t (*ngx_event_set_peer_session_pt)(ngx_peer_connection_t *pc,
  30     void *data);
  31 typedef void (*ngx_event_save_peer_session_pt)(ngx_peer_connection_t *pc,
  32     void *data);
  33 #endif
  34
  35
  36 struct ngx_peer_connection_s {
  37     ngx_connection_t                *connection;
  38
  39     struct sockaddr                 *sockaddr;
  40     socklen_t                        socklen;
  41     ngx_str_t                       *name;
  42
  43     ngx_uint_t                       tries;
  44
  45     ngx_event_get_peer_pt            get;
  46     ngx_event_free_peer_pt           free;
  47     void                            *data;
  48
  49 #if (NGX_SSL)
  50     ngx_event_set_peer_session_pt    set_session;
  51     ngx_event_save_peer_session_pt   save_session;
  52 #endif
  53
  54 #if (NGX_THREADS)
  55     ngx_atomic_t                    *lock;
  56 #endif
  57
  58     int                              rcvbuf;
  59
  60     ngx_log_t                       *log;
  61
  62     unsigned                         cached:1;
  63
  64                                      /* ngx_connection_log_error_e */
  65     unsigned                         log_error:2;
  66 };
  67
  68
  69 ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc);
  70 ngx_int_t ngx_event_get_peer(ngx_peer_connection_t *pc, void *data);
  71
  72
  73
  74 #endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */