|
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
|
|
|
15 typedef struct {
|
|
|
16 ngx_socket_t fd;
|
|
|
17
|
|
|
18 struct sockaddr *sockaddr;
|
|
|
19 socklen_t socklen; /* size of sockaddr */
|
|
|
20 int addr; /* offset to address in sockaddr */
|
|
|
21 int addr_text_max_len;
|
|
|
22 ngx_str_t addr_text;
|
|
|
23
|
|
|
24 int family;
|
|
|
25 int type;
|
|
|
26 int protocol;
|
|
|
27 int flags; /* Winsock2 flags */
|
|
|
28
|
|
|
29 void (*handler)(ngx_connection_t *c); /* handler of accepted
|
|
|
30 connection */
|
|
|
31 void *ctx; /* ngx_http_conf_ctx_t, for example */
|
|
|
32 void *servers; /* array of ngx_http_in_addr_t, for example */
|
|
|
33
|
|
|
34 ngx_log_t *log;
|
|
|
35 int backlog;
|
|
|
36
|
|
|
37 size_t pool_size;
|
|
|
38 size_t post_accept_buffer_size; /* should be here because
|
|
|
39 of the AcceptEx() preread */
|
|
|
40 time_t post_accept_timeout; /* should be here because
|
|
|
41 of the deferred accept */
|
|
|
42
|
|
|
43 unsigned new:1;
|
|
|
44 unsigned remain:1;
|
|
|
45 unsigned ignore:1;
|
|
|
46
|
|
|
47 unsigned bound:1; /* already bound */
|
|
|
48 unsigned inherited:1; /* inherited from previous process */
|
|
|
49 unsigned nonblocking_accept:1;
|
|
|
50 unsigned nonblocking:1;
|
|
|
51 #if 0
|
|
|
52 unsigned overlapped:1; /* Winsock2 overlapped */
|
|
|
53 #endif
|
|
|
54 unsigned shared:1; /* shared between threads or processes */
|
|
|
55 #if (HAVE_DEFERRED_ACCEPT)
|
|
|
56 unsigned deferred_accept:1;
|
|
|
57 #endif
|
|
|
58
|
|
|
59 unsigned addr_ntop:1;
|
|
|
60 } ngx_listening_t;
|
|
|
61
|
|
|
62
|
|
|
63 typedef enum {
|
|
|
64 NGX_ERROR_CRIT = 0,
|
|
|
65 NGX_ERROR_ERR,
|
|
|
66 NGX_ERROR_INFO,
|
|
|
67 NGX_ERROR_IGNORE_ECONNRESET
|
|
|
68 } ngx_connection_log_error_e;
|
|
|
69
|
|
|
70
|
|
|
71 typedef enum {
|
|
|
72 NGX_TCP_NOPUSH_DISABLED = -1,
|
|
|
73 NGX_TCP_NOPUSH_UNSET = 0,
|
|
|
74 NGX_TCP_NOPUSH_SET
|
|
|
75 } ngx_connection_tcp_nopush_e;
|
|
|
76
|
|
|
77
|
|
|
78 struct ngx_connection_s {
|
|
|
79 void *data;
|
|
|
80 ngx_event_t *read;
|
|
|
81 ngx_event_t *write;
|
|
|
82
|
|
|
83 ngx_socket_t fd;
|
|
|
84
|
|
|
85 ngx_recv_pt recv;
|
|
|
86 ngx_send_chain_pt send_chain;
|
|
|
87
|
|
|
88 ngx_listening_t *listening;
|
|
|
89
|
|
|
90 off_t sent;
|
|
|
91
|
|
|
92 void *ctx;
|
|
|
93 void *servers;
|
|
|
94
|
|
|
95
|
|
|
96 ngx_log_t *log;
|
|
|
97
|
|
|
98 ngx_pool_t *pool;
|
|
|
99
|
|
|
100 struct sockaddr *sockaddr;
|
|
|
101 socklen_t socklen;
|
|
|
102 ngx_str_t addr_text;
|
|
|
103
|
|
|
104 #if (NGX_OPENSSL)
|
|
|
105 ngx_ssl_t *ssl;
|
|
|
106 #endif
|
|
|
107
|
|
|
108 #if (HAVE_IOCP)
|
|
|
109 struct sockaddr *local_sockaddr;
|
|
|
110 socklen_t local_socklen;
|
|
|
111 #endif
|
|
|
112
|
|
|
113 ngx_buf_t *buffer;
|
|
|
114
|
|
|
115 ngx_uint_t number;
|
|
|
116
|
|
|
117 unsigned log_error:2; /* ngx_connection_log_error_e */
|
|
|
118
|
|
|
119 unsigned buffered:1;
|
|
|
120 unsigned single_connection:1;
|
|
|
121 unsigned unexpected_eof:1;
|
|
|
122 unsigned timedout:1;
|
|
|
123 signed tcp_nopush:2;
|
|
|
124 #if (HAVE_IOCP)
|
|
|
125 unsigned accept_context_updated:1;
|
|
|
126 #endif
|
|
|
127
|
|
|
128 #if (NGX_THREADS)
|
|
|
129 ngx_atomic_t lock;
|
|
|
130 #endif
|
|
|
131 };
|
|
|
132
|
|
|
133
|
|
|
134 #ifndef ngx_ssl_set_nosendshut
|
|
|
135 #define ngx_ssl_set_nosendshut(ssl)
|
|
|
136 #endif
|
|
|
137
|
|
|
138
|
|
|
139 ngx_listening_t *ngx_listening_inet_stream_socket(ngx_conf_t *cf,
|
|
|
140 in_addr_t addr,
|
|
|
141 in_port_t port);
|
|
|
142 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
|
|
|
143 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
|
|
|
144 void ngx_close_listening_sockets(ngx_cycle_t *cycle);
|
|
|
145 void ngx_close_connection(ngx_connection_t *c);
|
|
|
146 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
|
|
|
147
|
|
|
148
|
|
|
149 extern ngx_os_io_t ngx_io;
|
|
|
150
|
|
|
151
|
|
|
152 #endif /* _NGX_CONNECTION_H_INCLUDED_ */
|
