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
|
/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#include <nxt_router.h>
#include <nxt_http.h>
#include <nxt_upstream.h>
static nxt_http_action_t *nxt_upstream_handler(nxt_task_t *task,
nxt_http_request_t *r, nxt_http_action_t *action);
nxt_int_t
nxt_upstreams_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
nxt_conf_value_t *conf)
{
size_t size;
uint32_t i, n, next;
nxt_mp_t *mp;
nxt_int_t ret;
nxt_str_t name, *string;
nxt_upstreams_t *upstreams;
nxt_conf_value_t *upstreams_conf, *upcf;
static const nxt_str_t upstreams_name = nxt_string("upstreams");
upstreams_conf = nxt_conf_get_object_member(conf, &upstreams_name, NULL);
if (upstreams_conf == NULL) {
return NXT_OK;
}
n = nxt_conf_object_members_count(upstreams_conf);
if (n == 0) {
return NXT_OK;
}
mp = tmcf->router_conf->mem_pool;
size = sizeof(nxt_upstreams_t) + n * sizeof(nxt_upstream_t);
upstreams = nxt_mp_zalloc(mp, size);
if (nxt_slow_path(upstreams == NULL)) {
return NXT_ERROR;
}
upstreams->items = n;
next = 0;
for (i = 0; i < n; i++) {
upcf = nxt_conf_next_object_member(upstreams_conf, &name, &next);
string = nxt_str_dup(mp, &upstreams->upstream[i].name, &name);
if (nxt_slow_path(string == NULL)) {
return NXT_ERROR;
}
ret = nxt_upstream_round_robin_create(task, tmcf, upcf,
&upstreams->upstream[i]);
if (nxt_slow_path(ret != NXT_OK)) {
return NXT_ERROR;
}
}
tmcf->router_conf->upstreams = upstreams;
return NXT_OK;
}
nxt_int_t
nxt_upstream_find(nxt_upstreams_t *upstreams, nxt_str_t *name,
nxt_http_action_t *action)
{
uint32_t i, n;
nxt_upstream_t *upstream;
if (upstreams == NULL) {
return NXT_DECLINED;
}
upstream = &upstreams->upstream[0];
n = upstreams->items;
for (i = 0; i < n; i++) {
if (nxt_strstr_eq(&upstream[i].name, name)) {
action->u.upstream_number = i;
action->handler = nxt_upstream_handler;
return NXT_OK;
}
}
return NXT_DECLINED;
}
nxt_int_t
nxt_upstreams_joint_create(nxt_router_temp_conf_t *tmcf,
nxt_upstream_t ***upstream_joint)
{
uint32_t i, n;
nxt_upstream_t *u, **up;
nxt_upstreams_t *upstreams;
nxt_router_conf_t *router_conf;
router_conf = tmcf->router_conf;
upstreams = router_conf->upstreams;
if (upstreams == NULL) {
*upstream_joint = NULL;
return NXT_OK;
}
n = upstreams->items;
up = nxt_mp_zalloc(router_conf->mem_pool, n * sizeof(nxt_upstream_t *));
if (nxt_slow_path(up == NULL)) {
return NXT_ERROR;
}
u = &upstreams->upstream[0];
for (i = 0; i < n; i++) {
up[i] = u[i].proto->joint_create(tmcf, &u[i]);
if (nxt_slow_path(up[i] == NULL)) {
return NXT_ERROR;
}
}
*upstream_joint = up;
return NXT_OK;
}
static nxt_http_action_t *
nxt_upstream_handler(nxt_task_t *task, nxt_http_request_t *r,
nxt_http_action_t *action)
{
nxt_upstream_t *u;
u = r->conf->upstreams[action->u.upstream_number];
nxt_debug(task, "upstream handler: \"%V\"", &u->name);
return nxt_upstream_proxy_handler(task, r, u);
}
|
