Mercurial > hg > nginx
view src/core/ngx_inet.h @ 7479:8be88b22fe81
Removed sorting of getaddrinfo() results.
Previously the ngx_inet_resolve_host() function sorted addresses in a way that
IPv4 addresses came before IPv6 addresses. This was implemented in eaf95350d75c
(1.3.10) along with the introduction of getaddrinfo() which could resolve host
names to IPv6 addresses. Since the "listen" directive only used the first
address, sorting allowed to preserve "listen" compatibility with the previous
behavior and with the behavior of nginx built without IPv6 support. Now
"listen" uses all resolved addresses which makes sorting pointless.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Wed, 20 Mar 2019 20:31:59 +0300 |
parents | 4f9b72a229c1 |
children | d9c3917c7f90 |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_INET_H_INCLUDED_ #define _NGX_INET_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #define NGX_INET_ADDRSTRLEN (sizeof("255.255.255.255") - 1) #define NGX_INET6_ADDRSTRLEN \ (sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") - 1) #define NGX_UNIX_ADDRSTRLEN \ (sizeof("unix:") - 1 + \ sizeof(struct sockaddr_un) - offsetof(struct sockaddr_un, sun_path)) #if (NGX_HAVE_UNIX_DOMAIN) #define NGX_SOCKADDR_STRLEN NGX_UNIX_ADDRSTRLEN #elif (NGX_HAVE_INET6) #define NGX_SOCKADDR_STRLEN (NGX_INET6_ADDRSTRLEN + sizeof("[]:65535") - 1) #else #define NGX_SOCKADDR_STRLEN (NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1) #endif /* compatibility */ #define NGX_SOCKADDRLEN sizeof(ngx_sockaddr_t) typedef union { struct sockaddr sockaddr; struct sockaddr_in sockaddr_in; #if (NGX_HAVE_INET6) struct sockaddr_in6 sockaddr_in6; #endif #if (NGX_HAVE_UNIX_DOMAIN) struct sockaddr_un sockaddr_un; #endif } ngx_sockaddr_t; typedef struct { in_addr_t addr; in_addr_t mask; } ngx_in_cidr_t; #if (NGX_HAVE_INET6) typedef struct { struct in6_addr addr; struct in6_addr mask; } ngx_in6_cidr_t; #endif typedef struct { ngx_uint_t family; union { ngx_in_cidr_t in; #if (NGX_HAVE_INET6) ngx_in6_cidr_t in6; #endif } u; } ngx_cidr_t; typedef struct { struct sockaddr *sockaddr; socklen_t socklen; ngx_str_t name; } ngx_addr_t; typedef struct { ngx_str_t url; ngx_str_t host; ngx_str_t port_text; ngx_str_t uri; in_port_t port; in_port_t default_port; int family; unsigned listen:1; unsigned uri_part:1; unsigned no_resolve:1; unsigned no_port:1; unsigned wildcard:1; socklen_t socklen; ngx_sockaddr_t sockaddr; ngx_addr_t *addrs; ngx_uint_t naddrs; char *err; } ngx_url_t; in_addr_t ngx_inet_addr(u_char *text, size_t len); #if (NGX_HAVE_INET6) ngx_int_t ngx_inet6_addr(u_char *p, size_t len, u_char *addr); size_t ngx_inet6_ntop(u_char *p, u_char *text, size_t len); #endif size_t ngx_sock_ntop(struct sockaddr *sa, socklen_t socklen, u_char *text, size_t len, ngx_uint_t port); size_t ngx_inet_ntop(int family, void *addr, u_char *text, size_t len); ngx_int_t ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr); ngx_int_t ngx_cidr_match(struct sockaddr *sa, ngx_array_t *cidrs); ngx_int_t ngx_parse_addr(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, size_t len); ngx_int_t ngx_parse_addr_port(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text, size_t len); ngx_int_t ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u); ngx_int_t ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u); ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1, struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port); in_port_t ngx_inet_get_port(struct sockaddr *sa); void ngx_inet_set_port(struct sockaddr *sa, in_port_t port); ngx_uint_t ngx_inet_wildcard(struct sockaddr *sa); #endif /* _NGX_INET_H_INCLUDED_ */