0
|
1
|
|
2 /*
|
|
3 * Copyright (C) Igor Sysoev
|
|
4 */
|
|
5
|
|
6
|
|
7 #ifndef _NGX_CONNECTION_H_INCLUDED_
|
|
8 #define _NGX_CONNECTION_H_INCLUDED_
|
|
9
|
|
10
|
|
11 #include <ngx_config.h>
|
|
12 #include <ngx_core.h>
|
|
13
|
|
14
|
92
|
15 typedef struct ngx_listening_s ngx_listening_t;
|
|
16
|
|
17 struct ngx_listening_s {
|
|
18 ngx_socket_t fd;
|
0
|
19
|
92
|
20 struct sockaddr *sockaddr;
|
|
21 socklen_t socklen; /* size of sockaddr */
|
|
22 size_t addr_text_max_len;
|
|
23 ngx_str_t addr_text;
|
0
|
24
|
92
|
25 int type;
|
112
|
26
|
92
|
27 int backlog;
|
112
|
28 int rcvbuf;
|
|
29 int sndbuf;
|
0
|
30
|
92
|
31 /* handler of accepted connection */
|
96
|
32 ngx_connection_handler_pt handler;
|
92
|
33
|
|
34 void *servers; /* array of ngx_http_in_addr_t, for example */
|
0
|
35
|
92
|
36 ngx_log_t log;
|
493
|
37 ngx_log_t *logp;
|
0
|
38
|
92
|
39 size_t pool_size;
|
|
40 /* should be here because of the AcceptEx() preread */
|
|
41 size_t post_accept_buffer_size;
|
|
42 /* should be here because of the deferred accept */
|
106
|
43 ngx_msec_t post_accept_timeout;
|
92
|
44
|
|
45 ngx_listening_t *previous;
|
|
46 ngx_connection_t *connection;
|
0
|
47
|
92
|
48 unsigned open:1;
|
|
49 unsigned remain:1;
|
|
50 unsigned ignore:1;
|
0
|
51
|
92
|
52 unsigned bound:1; /* already bound */
|
|
53 unsigned inherited:1; /* inherited from previous process */
|
|
54 unsigned nonblocking_accept:1;
|
112
|
55 unsigned listen:1;
|
92
|
56 unsigned nonblocking:1;
|
|
57 unsigned shared:1; /* shared between threads or processes */
|
|
58 unsigned addr_ntop:1;
|
72
|
59
|
469
|
60 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
|
|
61 unsigned ipv6only:2;
|
|
62 #endif
|
|
63
|
18
|
64 #if (NGX_HAVE_DEFERRED_ACCEPT)
|
92
|
65 unsigned deferred_accept:1;
|
|
66 unsigned delete_deferred:1;
|
|
67 unsigned add_deferred:1;
|
72
|
68 #ifdef SO_ACCEPTFILTER
|
92
|
69 char *accept_filter;
|
72
|
70 #endif
|
0
|
71 #endif
|
|
72
|
92
|
73 };
|
0
|
74
|
|
75
|
|
76 typedef enum {
|
469
|
77 NGX_ERROR_ALERT = 0,
|
0
|
78 NGX_ERROR_ERR,
|
|
79 NGX_ERROR_INFO,
|
469
|
80 NGX_ERROR_IGNORE_ECONNRESET,
|
|
81 NGX_ERROR_IGNORE_EINVAL
|
0
|
82 } ngx_connection_log_error_e;
|
|
83
|
|
84
|
|
85 typedef enum {
|
32
|
86 NGX_TCP_NODELAY_UNSET = 0,
|
|
87 NGX_TCP_NODELAY_SET,
|
|
88 NGX_TCP_NODELAY_DISABLED
|
|
89 } ngx_connection_tcp_nodelay_e;
|
|
90
|
|
91
|
|
92 typedef enum {
|
0
|
93 NGX_TCP_NOPUSH_UNSET = 0,
|
32
|
94 NGX_TCP_NOPUSH_SET,
|
|
95 NGX_TCP_NOPUSH_DISABLED
|
0
|
96 } ngx_connection_tcp_nopush_e;
|
|
97
|
|
98
|
254
|
99 #define NGX_LOWLEVEL_BUFFERED 0x0f
|
|
100 #define NGX_SSL_BUFFERED 0x01
|
146
|
101
|
|
102
|
0
|
103 struct ngx_connection_s {
|
|
104 void *data;
|
|
105 ngx_event_t *read;
|
|
106 ngx_event_t *write;
|
|
107
|
|
108 ngx_socket_t fd;
|
|
109
|
|
110 ngx_recv_pt recv;
|
88
|
111 ngx_send_pt send;
|
126
|
112 ngx_recv_chain_pt recv_chain;
|
0
|
113 ngx_send_chain_pt send_chain;
|
|
114
|
|
115 ngx_listening_t *listening;
|
|
116
|
|
117 off_t sent;
|
|
118
|
|
119 ngx_log_t *log;
|
|
120
|
|
121 ngx_pool_t *pool;
|
|
122
|
|
123 struct sockaddr *sockaddr;
|
|
124 socklen_t socklen;
|
|
125 ngx_str_t addr_text;
|
|
126
|
126
|
127 #if (NGX_SSL)
|
96
|
128 ngx_ssl_connection_t *ssl;
|
0
|
129 #endif
|
|
130
|
|
131 struct sockaddr *local_sockaddr;
|
|
132
|
|
133 ngx_buf_t *buffer;
|
|
134
|
44
|
135 ngx_atomic_uint_t number;
|
0
|
136
|
505
|
137 ngx_uint_t requests;
|
|
138
|
254
|
139 unsigned buffered:8;
|
146
|
140
|
469
|
141 unsigned log_error:3; /* ngx_connection_log_error_e */
|
0
|
142
|
|
143 unsigned single_connection:1;
|
|
144 unsigned unexpected_eof:1;
|
|
145 unsigned timedout:1;
|
132
|
146 unsigned error:1;
|
|
147 unsigned destroyed:1;
|
2
|
148
|
290
|
149 unsigned idle:1;
|
|
150 unsigned close:1;
|
|
151
|
2
|
152 unsigned sendfile:1;
|
|
153 unsigned sndlowat:1;
|
32
|
154 unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */
|
|
155 unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */
|
2
|
156
|
18
|
157 #if (NGX_HAVE_IOCP)
|
0
|
158 unsigned accept_context_updated:1;
|
|
159 #endif
|
|
160
|
531
|
161 #if (NGX_HAVE_AIO_SENDFILE)
|
|
162 unsigned aio_sendfile:1;
|
|
163 ngx_buf_t *busy_sendfile;
|
|
164 #endif
|
|
165
|
0
|
166 #if (NGX_THREADS)
|
|
167 ngx_atomic_t lock;
|
|
168 #endif
|
|
169 };
|
|
170
|
|
171
|
495
|
172 ngx_listening_t *ngx_create_listening(ngx_conf_t *cf, void *sockaddr,
|
|
173 socklen_t socklen);
|
0
|
174 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
|
|
175 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
|
495
|
176 void ngx_configure_listening_sockets(ngx_cycle_t *cycle);
|
0
|
177 void ngx_close_listening_sockets(ngx_cycle_t *cycle);
|
|
178 void ngx_close_connection(ngx_connection_t *c);
|
501
|
179 ngx_int_t ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s,
|
|
180 ngx_uint_t port);
|
0
|
181 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
|
|
182
|
92
|
183 ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log);
|
|
184 void ngx_free_connection(ngx_connection_t *c);
|
0
|
185
|
|
186
|
|
187 #endif /* _NGX_CONNECTION_H_INCLUDED_ */
|