src/core/ngx_inet.h

   1
   2 /*
   3  * Copyright (C) Igor Sysoev
   4  */
   5
   6
   7 #ifndef _NGX_INET_H_INCLUDED_
   8 #define _NGX_INET_H_INCLUDED_
   9
  10
  11 #include <ngx_config.h>
  12 #include <ngx_core.h>
  13
  14
  15 #define NGX_INET_ADDRSTRLEN   (sizeof("255.255.255.255") - 1)
  16 #define NGX_INET6_ADDRSTRLEN                                                 \
  17     (sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") - 1)
  18
  19 #define NGX_SOCKADDR_STRLEN   (NGX_INET6_ADDRSTRLEN + sizeof(":65535") - 1)
  20
  21
  22 /*
  23  * TODO: autoconfigure NGX_SOCKADDRLEN as
  24  *       sizeof(struct sockaddr_storage)
  25  *       sizeof(struct sockaddr_in6)
  26  *       sizeof(struct sockaddr_in)
  27  */
  28
  29 #if (NGX_HAVE_INET6)
  30 #define NGX_SOCKADDRLEN       sizeof(struct sockaddr_in6)
  31 #else
  32 #define NGX_SOCKADDRLEN       sizeof(struct sockaddr_in)
  33 #endif
  34
  35
  36 typedef struct {
  37     in_addr_t         addr;
  38     in_addr_t         mask;
  39 } ngx_inet_cidr_t;
  40
  41
  42 typedef union {
  43     in_addr_t         in_addr;
  44 } ngx_url_addr_t;
  45
  46
  47 typedef struct {
  48     struct sockaddr  *sockaddr;
  49     socklen_t         socklen;
  50     ngx_str_t         name;
  51 } ngx_peer_addr_t;
  52
  53
  54 typedef struct {
  55     ngx_str_t         url;
  56     ngx_str_t         host;
  57     ngx_str_t         port_text;
  58     ngx_str_t         uri;
  59
  60     in_port_t         port;
  61     in_port_t         default_port;
  62     int               family;
  63
  64     unsigned          listen:1;
  65     unsigned          uri_part:1;
  66     unsigned          no_resolve:1;
  67     unsigned          one_addr:1;
  68
  69     unsigned          no_port:1;
  70     unsigned          wildcard:1;
  71
  72     ngx_url_addr_t    addr;
  73
  74     socklen_t         socklen;
  75     u_char            sockaddr[NGX_SOCKADDRLEN];
  76
  77     ngx_peer_addr_t  *addrs;
  78     ngx_uint_t        naddrs;
  79
  80     char             *err;
  81 } ngx_url_t;
  82
  83
  84 in_addr_t ngx_inet_addr(u_char *text, size_t len);
  85 size_t ngx_sock_ntop(struct sockaddr *sa, u_char *text, size_t len,
  86     ngx_uint_t port);
  87 size_t ngx_inet_ntop(int family, void *addr, u_char *text, size_t len);
  88 ngx_int_t ngx_ptocidr(ngx_str_t *text, void *cidr);
  89 ngx_int_t ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u);
  90 ngx_int_t ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u);
  91
  92
  93
  94 #endif /* _NGX_INET_H_INCLUDED_ */