blob: 90076e0c6f959bfd5440664a2dc5d1636b226a62 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#ifndef _NGX_STREAM_UPSTREAM_H_INCLUDED_
#define _NGX_STREAM_UPSTREAM_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_stream.h>
#include <ngx_event_connect.h>
#define NGX_STREAM_UPSTREAM_CREATE 0x0001
#define NGX_STREAM_UPSTREAM_WEIGHT 0x0002
#define NGX_STREAM_UPSTREAM_MAX_FAILS 0x0004
#define NGX_STREAM_UPSTREAM_FAIL_TIMEOUT 0x0008
#define NGX_STREAM_UPSTREAM_DOWN 0x0010
#define NGX_STREAM_UPSTREAM_BACKUP 0x0020
#define NGX_STREAM_UPSTREAM_MAX_CONNS 0x0100
#define NGX_STREAM_UPSTREAM_NOTIFY_CONNECT 0x1
typedef struct {
ngx_array_t upstreams;
/* ngx_stream_upstream_srv_conf_t */
} ngx_stream_upstream_main_conf_t;
typedef struct ngx_stream_upstream_srv_conf_s ngx_stream_upstream_srv_conf_t;
typedef ngx_int_t (*ngx_stream_upstream_init_pt)(ngx_conf_t *cf,
ngx_stream_upstream_srv_conf_t *us);
typedef ngx_int_t (*ngx_stream_upstream_init_peer_pt)(ngx_stream_session_t *s,
ngx_stream_upstream_srv_conf_t *us);
typedef struct {
ngx_stream_upstream_init_pt init_upstream;
ngx_stream_upstream_init_peer_pt init;
void *data;
} ngx_stream_upstream_peer_t;
typedef struct {
ngx_str_t name;
ngx_addr_t *addrs;
ngx_uint_t naddrs;
ngx_uint_t weight;
ngx_uint_t max_conns;
ngx_uint_t max_fails;
time_t fail_timeout;
ngx_msec_t slow_start;
unsigned down:1;
unsigned backup:1;
NGX_COMPAT_BEGIN(4)
NGX_COMPAT_END
} ngx_stream_upstream_server_t;
struct ngx_stream_upstream_srv_conf_s {
ngx_stream_upstream_peer_t peer;
void **srv_conf;
ngx_array_t *servers;
/* ngx_stream_upstream_server_t */
ngx_uint_t flags;
ngx_str_t host;
u_char *file_name;
ngx_uint_t line;
in_port_t port;
ngx_uint_t no_port; /* unsigned no_port:1 */
#if (NGX_STREAM_UPSTREAM_ZONE)
ngx_shm_zone_t *shm_zone;
#endif
};
typedef struct {
ngx_msec_t response_time;
ngx_msec_t connect_time;
ngx_msec_t first_byte_time;
off_t bytes_sent;
off_t bytes_received;
ngx_str_t *peer;
} ngx_stream_upstream_state_t;
typedef struct {
ngx_str_t host;
in_port_t port;
ngx_uint_t no_port; /* unsigned no_port:1 */
ngx_uint_t naddrs;
ngx_resolver_addr_t *addrs;
struct sockaddr *sockaddr;
socklen_t socklen;
ngx_str_t name;
ngx_resolver_ctx_t *ctx;
} ngx_stream_upstream_resolved_t;
typedef struct {
ngx_peer_connection_t peer;
ngx_buf_t downstream_buf;
ngx_buf_t upstream_buf;
ngx_chain_t *free;
ngx_chain_t *upstream_out;
ngx_chain_t *upstream_busy;
ngx_chain_t *downstream_out;
ngx_chain_t *downstream_busy;
off_t received;
time_t start_sec;
ngx_uint_t responses;
ngx_str_t ssl_name;
ngx_stream_upstream_srv_conf_t *upstream;
ngx_stream_upstream_resolved_t *resolved;
ngx_stream_upstream_state_t *state;
unsigned connected:1;
unsigned proxy_protocol:1;
} ngx_stream_upstream_t;
ngx_stream_upstream_srv_conf_t *ngx_stream_upstream_add(ngx_conf_t *cf,
ngx_url_t *u, ngx_uint_t flags);
#define ngx_stream_conf_upstream_srv_conf(uscf, module) \
uscf->srv_conf[module.ctx_index]
extern ngx_module_t ngx_stream_upstream_module;
#endif /* _NGX_STREAM_UPSTREAM_H_INCLUDED_ */
|
