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annotate src/core/ngx_inet.h @ 6527:6d3a60a909c8

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Removed some bitrot. Removed NGX_CONF_MULTI unused since 1.3.4. Removed ngx_url_t.one_addr unused since 1.3.10.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 26 Apr 2016 18:26:43 +0300
parents d39ef821d03e
children adf25b8d0431
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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_INET_H_INCLUDED_
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9 #define _NGX_INET_H_INCLUDED_
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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15
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16 /*
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17 * TODO: autoconfigure NGX_SOCKADDRLEN and NGX_SOCKADDR_STRLEN as
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18 * sizeof(struct sockaddr_storage)
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19 * sizeof(struct sockaddr_un)
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20 * sizeof(struct sockaddr_in6)
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21 * sizeof(struct sockaddr_in)
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22 */
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23
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24 #define NGX_INET_ADDRSTRLEN (sizeof("255.255.255.255") - 1)
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25 #define NGX_INET6_ADDRSTRLEN \
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26 (sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") - 1)
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27 #define NGX_UNIX_ADDRSTRLEN \
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28 (sizeof(struct sockaddr_un) - offsetof(struct sockaddr_un, sun_path))
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29
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30 #if (NGX_HAVE_UNIX_DOMAIN)
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31 #define NGX_SOCKADDR_STRLEN (sizeof("unix:") - 1 + NGX_UNIX_ADDRSTRLEN)
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32 #else
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33 #define NGX_SOCKADDR_STRLEN (NGX_INET6_ADDRSTRLEN + sizeof("[]:65535") - 1)
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34 #endif
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35
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36 #if (NGX_HAVE_UNIX_DOMAIN)
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37 #define NGX_SOCKADDRLEN sizeof(struct sockaddr_un)
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38 #else
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39 #define NGX_SOCKADDRLEN 512
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40 #endif
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42
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43 typedef struct {
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44 in_addr_t addr;
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45 in_addr_t mask;
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46 } ngx_in_cidr_t;
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47
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48
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49 #if (NGX_HAVE_INET6)
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50
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51 typedef struct {
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52 struct in6_addr addr;
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53 struct in6_addr mask;
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54 } ngx_in6_cidr_t;
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55
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56 #endif
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57
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58
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59 typedef struct {
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60 ngx_uint_t family;
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61 union {
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62 ngx_in_cidr_t in;
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63 #if (NGX_HAVE_INET6)
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64 ngx_in6_cidr_t in6;
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65 #endif
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66 } u;
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67 } ngx_cidr_t;
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68
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69
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70 typedef struct {
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71 struct sockaddr *sockaddr;
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72 socklen_t socklen;
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73 ngx_str_t name;
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74 } ngx_addr_t;
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75
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76
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77 typedef struct {
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78 ngx_str_t url;
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79 ngx_str_t host;
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80 ngx_str_t port_text;
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81 ngx_str_t uri;
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82
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83 in_port_t port;
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84 in_port_t default_port;
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85 int family;
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86
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87 unsigned listen:1;
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88 unsigned uri_part:1;
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89 unsigned no_resolve:1;
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90
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91 unsigned no_port:1;
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92 unsigned wildcard:1;
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93
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94 socklen_t socklen;
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95 u_char sockaddr[NGX_SOCKADDRLEN];
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96
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97 ngx_addr_t *addrs;
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98 ngx_uint_t naddrs;
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99
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100 char *err;
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101 } ngx_url_t;
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102
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103
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104 in_addr_t ngx_inet_addr(u_char *text, size_t len);
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105 #if (NGX_HAVE_INET6)
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106 ngx_int_t ngx_inet6_addr(u_char *p, size_t len, u_char *addr);
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107 size_t ngx_inet6_ntop(u_char *p, u_char *text, size_t len);
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108 #endif
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109 size_t ngx_sock_ntop(struct sockaddr *sa, socklen_t socklen, u_char *text,
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110 size_t len, ngx_uint_t port);
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111 size_t ngx_inet_ntop(int family, void *addr, u_char *text, size_t len);
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112 ngx_int_t ngx_ptocidr(ngx_str_t *text, ngx_cidr_t *cidr);
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113 ngx_int_t ngx_parse_addr(ngx_pool_t *pool, ngx_addr_t *addr, u_char *text,
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114 size_t len);
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115 ngx_int_t ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u);
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116 ngx_int_t ngx_inet_resolve_host(ngx_pool_t *pool, ngx_url_t *u);
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117 ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1,
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118 struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port);
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119
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120
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121 #endif /* _NGX_INET_H_INCLUDED_ */