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view src/event/ngx_event_connect.h @ 4624:df93068953c0

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realip: chains of trusted proxies and IPv6 support. The module now supports recursive search of client address through the chain of trusted proxies, controlled by the "real_ip_recursive" directive (closes #2). It also gets full IPv6 support (closes #44) and canonical value of the $client_addr variable on address change. Example: real_ip_header X-Forwarded-For; set_real_ip_from 127.0.0.0/8; set_real_ip_from ::1; set_real_ip_from unix:; real_ip_recursive on;
author Ruslan Ermilov <ru@nginx.com>
date Mon, 14 May 2012 12:41:03 +0000
parents d620f497c50f
children d09b689911ac
line wrap: on
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_EVENT_CONNECT_H_INCLUDED_
#define _NGX_EVENT_CONNECT_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>


#define NGX_PEER_KEEPALIVE           1
#define NGX_PEER_NEXT                2
#define NGX_PEER_FAILED              4


typedef struct ngx_peer_connection_s  ngx_peer_connection_t;

typedef ngx_int_t (*ngx_event_get_peer_pt)(ngx_peer_connection_t *pc,
    void *data);
typedef void (*ngx_event_free_peer_pt)(ngx_peer_connection_t *pc, void *data,
    ngx_uint_t state);
#if (NGX_SSL)

typedef ngx_int_t (*ngx_event_set_peer_session_pt)(ngx_peer_connection_t *pc,
    void *data);
typedef void (*ngx_event_save_peer_session_pt)(ngx_peer_connection_t *pc,
    void *data);
#endif


struct ngx_peer_connection_s {
    ngx_connection_t                *connection;

    struct sockaddr                 *sockaddr;
    socklen_t                        socklen;
    ngx_str_t                       *name;

    ngx_uint_t                       tries;

    ngx_event_get_peer_pt            get;
    ngx_event_free_peer_pt           free;
    void                            *data;

#if (NGX_SSL)
    ngx_event_set_peer_session_pt    set_session;
    ngx_event_save_peer_session_pt   save_session;
#endif

#if (NGX_THREADS)
    ngx_atomic_t                    *lock;
#endif

    ngx_addr_t                      *local;

    int                              rcvbuf;

    ngx_log_t                       *log;

    unsigned                         cached:1;

                                     /* ngx_connection_log_error_e */
    unsigned                         log_error:2;
};


ngx_int_t ngx_event_connect_peer(ngx_peer_connection_t *pc);
ngx_int_t ngx_event_get_peer(ngx_peer_connection_t *pc, void *data);


#endif /* _NGX_EVENT_CONNECT_H_INCLUDED_ */