Mercurial > hg > nginx-quic
annotate src/core/ngx_connection.h @ 4450:4919fb357a5d stable-1.0
Merge of r4406, r4413: copyrights updated.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sun, 05 Feb 2012 20:02:59 +0000 |
parents | e3cb8e27e413 |
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1 |
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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_CONNECTION_H_INCLUDED_ |
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9 #define _NGX_CONNECTION_H_INCLUDED_ |
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12 #include <ngx_config.h> |
92
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13 #include <ngx_core.h> |
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14 |
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15 |
543 | 16 typedef struct ngx_listening_s ngx_listening_t; |
17 | |
18 struct ngx_listening_s { | |
19 ngx_socket_t fd; | |
103
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20 |
543 | 21 struct sockaddr *sockaddr; |
22 socklen_t socklen; /* size of sockaddr */ | |
23 size_t addr_text_max_len; | |
24 ngx_str_t addr_text; | |
103
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25 |
543 | 26 int type; |
563 | 27 |
543 | 28 int backlog; |
563 | 29 int rcvbuf; |
30 int sndbuf; | |
103
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31 |
543 | 32 /* handler of accepted connection */ |
547 | 33 ngx_connection_handler_pt handler; |
543 | 34 |
35 void *servers; /* array of ngx_http_in_addr_t, for example */ | |
103
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36 |
543 | 37 ngx_log_t log; |
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38 ngx_log_t *logp; |
103
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39 |
543 | 40 size_t pool_size; |
41 /* should be here because of the AcceptEx() preread */ | |
42 size_t post_accept_buffer_size; | |
43 /* should be here because of the deferred accept */ | |
557 | 44 ngx_msec_t post_accept_timeout; |
543 | 45 |
46 ngx_listening_t *previous; | |
47 ngx_connection_t *connection; | |
103
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48 |
543 | 49 unsigned open:1; |
50 unsigned remain:1; | |
51 unsigned ignore:1; | |
109
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52 |
543 | 53 unsigned bound:1; /* already bound */ |
54 unsigned inherited:1; /* inherited from previous process */ | |
55 unsigned nonblocking_accept:1; | |
563 | 56 unsigned listen:1; |
543 | 57 unsigned nonblocking:1; |
58 unsigned shared:1; /* shared between threads or processes */ | |
59 unsigned addr_ntop:1; | |
523 | 60 |
2562 | 61 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
62 unsigned ipv6only:2; | |
63 #endif | |
64 | |
469 | 65 #if (NGX_HAVE_DEFERRED_ACCEPT) |
543 | 66 unsigned deferred_accept:1; |
67 unsigned delete_deferred:1; | |
68 unsigned add_deferred:1; | |
523 | 69 #ifdef SO_ACCEPTFILTER |
543 | 70 char *accept_filter; |
523 | 71 #endif |
103
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72 #endif |
3676 | 73 #if (NGX_HAVE_SETFIB) |
74 int setfib; | |
75 #endif | |
419
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76 |
543 | 77 }; |
92
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78 |
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79 |
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80 typedef enum { |
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81 NGX_ERROR_ALERT = 0, |
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82 NGX_ERROR_ERR, |
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83 NGX_ERROR_INFO, |
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84 NGX_ERROR_IGNORE_ECONNRESET, |
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85 NGX_ERROR_IGNORE_EINVAL |
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86 } ngx_connection_log_error_e; |
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87 |
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88 |
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89 typedef enum { |
483 | 90 NGX_TCP_NODELAY_UNSET = 0, |
91 NGX_TCP_NODELAY_SET, | |
92 NGX_TCP_NODELAY_DISABLED | |
93 } ngx_connection_tcp_nodelay_e; | |
94 | |
95 | |
96 typedef enum { | |
344
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97 NGX_TCP_NOPUSH_UNSET = 0, |
483 | 98 NGX_TCP_NOPUSH_SET, |
99 NGX_TCP_NOPUSH_DISABLED | |
344
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100 } ngx_connection_tcp_nopush_e; |
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101 |
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102 |
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103 #define NGX_LOWLEVEL_BUFFERED 0x0f |
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104 #define NGX_SSL_BUFFERED 0x01 |
597 | 105 |
106 | |
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107 struct ngx_connection_s { |
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108 void *data; |
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109 ngx_event_t *read; |
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110 ngx_event_t *write; |
103
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111 |
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112 ngx_socket_t fd; |
103
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113 |
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114 ngx_recv_pt recv; |
539 | 115 ngx_send_pt send; |
577 | 116 ngx_recv_chain_pt recv_chain; |
396
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117 ngx_send_chain_pt send_chain; |
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118 |
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119 ngx_listening_t *listening; |
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120 |
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121 off_t sent; |
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122 |
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123 ngx_log_t *log; |
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124 |
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125 ngx_pool_t *pool; |
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126 |
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127 struct sockaddr *sockaddr; |
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128 socklen_t socklen; |
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129 ngx_str_t addr_text; |
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130 |
577 | 131 #if (NGX_SSL) |
547 | 132 ngx_ssl_connection_t *ssl; |
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133 #endif |
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134 |
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135 struct sockaddr *local_sockaddr; |
103
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136 |
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137 ngx_buf_t *buffer; |
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138 |
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139 ngx_queue_t queue; |
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140 |
495 | 141 ngx_atomic_uint_t number; |
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142 |
2888 | 143 ngx_uint_t requests; |
144 | |
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145 unsigned buffered:8; |
597 | 146 |
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147 unsigned log_error:3; /* ngx_connection_log_error_e */ |
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148 |
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149 unsigned single_connection:1; |
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150 unsigned unexpected_eof:1; |
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151 unsigned timedout:1; |
583 | 152 unsigned error:1; |
153 unsigned destroyed:1; | |
452 | 154 |
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155 unsigned idle:1; |
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156 unsigned reusable:1; |
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157 unsigned close:1; |
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158 |
452 | 159 unsigned sendfile:1; |
160 unsigned sndlowat:1; | |
483 | 161 unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */ |
162 unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */ | |
452 | 163 |
469 | 164 #if (NGX_HAVE_IOCP) |
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165 unsigned accept_context_updated:1; |
103
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166 #endif |
370
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167 |
3065 | 168 #if (NGX_HAVE_AIO_SENDFILE) |
169 unsigned aio_sendfile:1; | |
170 ngx_buf_t *busy_sendfile; | |
171 #endif | |
172 | |
370
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173 #if (NGX_THREADS) |
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174 ngx_atomic_t lock; |
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175 #endif |
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176 }; |
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177 |
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178 |
2806 | 179 ngx_listening_t *ngx_create_listening(ngx_conf_t *cf, void *sockaddr, |
180 socklen_t socklen); | |
219
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181 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle); |
218
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182 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle); |
2802 | 183 void ngx_configure_listening_sockets(ngx_cycle_t *cycle); |
218
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184 void ngx_close_listening_sockets(ngx_cycle_t *cycle); |
417
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185 void ngx_close_connection(ngx_connection_t *c); |
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186 ngx_int_t ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s, |
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187 ngx_uint_t port); |
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188 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text); |
218
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189 |
543 | 190 ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log); |
191 void ngx_free_connection(ngx_connection_t *c); | |
91
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192 |
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193 void ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable); |
91
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194 |
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195 #endif /* _NGX_CONNECTION_H_INCLUDED_ */ |