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; /* offset to address in sockaddr */
|
|
23 size_t addr_text_max_len;
|
|
24 ngx_str_t addr_text;
|
0
|
25
|
92
|
26 int type;
|
112
|
27
|
92
|
28 int backlog;
|
112
|
29 int rcvbuf;
|
|
30 int sndbuf;
|
0
|
31
|
92
|
32 /* handler of accepted connection */
|
96
|
33 ngx_connection_handler_pt handler;
|
92
|
34
|
|
35 void *servers; /* array of ngx_http_in_addr_t, for example */
|
0
|
36
|
92
|
37 ngx_log_t log;
|
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
|
18
|
60 #if (NGX_HAVE_DEFERRED_ACCEPT)
|
92
|
61 unsigned deferred_accept:1;
|
|
62 unsigned delete_deferred:1;
|
|
63 unsigned add_deferred:1;
|
72
|
64 #ifdef SO_ACCEPTFILTER
|
92
|
65 char *accept_filter;
|
72
|
66 #endif
|
0
|
67 #endif
|
|
68
|
92
|
69 };
|
0
|
70
|
|
71
|
|
72 typedef enum {
|
|
73 NGX_ERROR_CRIT = 0,
|
|
74 NGX_ERROR_ERR,
|
|
75 NGX_ERROR_INFO,
|
|
76 NGX_ERROR_IGNORE_ECONNRESET
|
|
77 } ngx_connection_log_error_e;
|
|
78
|
|
79
|
|
80 typedef enum {
|
32
|
81 NGX_TCP_NODELAY_UNSET = 0,
|
|
82 NGX_TCP_NODELAY_SET,
|
|
83 NGX_TCP_NODELAY_DISABLED
|
|
84 } ngx_connection_tcp_nodelay_e;
|
|
85
|
|
86
|
|
87 typedef enum {
|
0
|
88 NGX_TCP_NOPUSH_UNSET = 0,
|
32
|
89 NGX_TCP_NOPUSH_SET,
|
|
90 NGX_TCP_NOPUSH_DISABLED
|
0
|
91 } ngx_connection_tcp_nopush_e;
|
|
92
|
|
93
|
254
|
94 #define NGX_LOWLEVEL_BUFFERED 0x0f
|
|
95 #define NGX_SSL_BUFFERED 0x01
|
146
|
96
|
|
97
|
0
|
98 struct ngx_connection_s {
|
|
99 void *data;
|
|
100 ngx_event_t *read;
|
|
101 ngx_event_t *write;
|
|
102
|
|
103 ngx_socket_t fd;
|
|
104
|
|
105 ngx_recv_pt recv;
|
88
|
106 ngx_send_pt send;
|
126
|
107 ngx_recv_chain_pt recv_chain;
|
0
|
108 ngx_send_chain_pt send_chain;
|
|
109
|
|
110 ngx_listening_t *listening;
|
|
111
|
|
112 off_t sent;
|
|
113
|
|
114 ngx_log_t *log;
|
|
115
|
|
116 ngx_pool_t *pool;
|
|
117
|
|
118 struct sockaddr *sockaddr;
|
|
119 socklen_t socklen;
|
|
120 ngx_str_t addr_text;
|
|
121
|
126
|
122 #if (NGX_SSL)
|
96
|
123 ngx_ssl_connection_t *ssl;
|
0
|
124 #endif
|
|
125
|
18
|
126 #if (NGX_HAVE_IOCP)
|
0
|
127 struct sockaddr *local_sockaddr;
|
|
128 socklen_t local_socklen;
|
|
129 #endif
|
|
130
|
|
131 ngx_buf_t *buffer;
|
|
132
|
44
|
133 ngx_atomic_uint_t number;
|
0
|
134
|
254
|
135 unsigned buffered:8;
|
146
|
136
|
32
|
137 unsigned log_error:2; /* ngx_connection_log_error_e */
|
0
|
138
|
|
139 unsigned single_connection:1;
|
|
140 unsigned unexpected_eof:1;
|
|
141 unsigned timedout:1;
|
132
|
142 unsigned error:1;
|
|
143 unsigned destroyed:1;
|
2
|
144
|
290
|
145 unsigned idle:1;
|
|
146 unsigned close:1;
|
|
147
|
2
|
148 unsigned sendfile:1;
|
|
149 unsigned sndlowat:1;
|
32
|
150 unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */
|
|
151 unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */
|
2
|
152
|
18
|
153 #if (NGX_HAVE_IOCP)
|
0
|
154 unsigned accept_context_updated:1;
|
|
155 #endif
|
|
156
|
|
157 #if (NGX_THREADS)
|
|
158 ngx_atomic_t lock;
|
|
159 #endif
|
|
160 };
|
|
161
|
|
162
|
|
163 #ifndef ngx_ssl_set_nosendshut
|
|
164 #define ngx_ssl_set_nosendshut(ssl)
|
|
165 #endif
|
|
166
|
|
167
|
|
168 ngx_listening_t *ngx_listening_inet_stream_socket(ngx_conf_t *cf,
|
70
|
169 in_addr_t addr, in_port_t port);
|
0
|
170 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
|
|
171 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
|
112
|
172 void ngx_configure_listening_socket(ngx_cycle_t *cycle);
|
0
|
173 void ngx_close_listening_sockets(ngx_cycle_t *cycle);
|
|
174 void ngx_close_connection(ngx_connection_t *c);
|
|
175 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
|
|
176
|
92
|
177 ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log);
|
|
178 void ngx_free_connection(ngx_connection_t *c);
|
0
|
179
|
|
180
|
|
181 #endif /* _NGX_CONNECTION_H_INCLUDED_ */
|