Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_stub_status_module.c @ 4906:bc92e877d36d stable-1.2
Merge of r4891: worker_processes auto.
Core: the "auto" parameter of the "worker_processes" directive.
The parameter will set the number of worker processes to the
autodetected number of available CPU cores.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 13 Nov 2012 11:00:37 +0000 |
parents | f12d474f0d5e |
children | 1c472e3b8c10 |
rev | line source |
---|---|
577 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
577 | 5 */ |
6 | |
487 | 7 |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
13 static char *ngx_http_set_status(ngx_conf_t *cf, ngx_command_t *cmd, | |
14 void *conf); | |
577 | 15 |
487 | 16 static ngx_command_t ngx_http_status_commands[] = { |
17 | |
18 { ngx_string("stub_status"), | |
19 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
20 ngx_http_set_status, | |
21 0, | |
22 0, | |
23 NULL }, | |
24 | |
25 ngx_null_command | |
577 | 26 }; |
487 | 27 |
28 | |
577 | 29 |
667 | 30 static ngx_http_module_t ngx_http_stub_status_module_ctx = { |
509 | 31 NULL, /* preconfiguration */ |
32 NULL, /* postconfiguration */ | |
487 | 33 |
34 NULL, /* create main configuration */ | |
35 NULL, /* init main configuration */ | |
577 | 36 |
487 | 37 NULL, /* create server configuration */ |
38 NULL, /* merge server configuration */ | |
577 | 39 |
487 | 40 NULL, /* create location configuration */ |
41 NULL /* merge location configuration */ | |
42 }; | |
43 | |
44 | |
45 ngx_module_t ngx_http_stub_status_module = { | |
509 | 46 NGX_MODULE_V1, |
487 | 47 &ngx_http_stub_status_module_ctx, /* module context */ |
48 ngx_http_status_commands, /* module directives */ | |
49 NGX_HTTP_MODULE, /* module type */ | |
541 | 50 NULL, /* init master */ |
487 | 51 NULL, /* init module */ |
541 | 52 NULL, /* init process */ |
53 NULL, /* init thread */ | |
54 NULL, /* exit thread */ | |
55 NULL, /* exit process */ | |
56 NULL, /* exit master */ | |
57 NGX_MODULE_V1_PADDING | |
487 | 58 }; |
59 | |
60 | |
61 static ngx_int_t ngx_http_status_handler(ngx_http_request_t *r) | |
62 { | |
495 | 63 size_t size; |
64 ngx_int_t rc; | |
65 ngx_buf_t *b; | |
66 ngx_chain_t out; | |
67 ngx_atomic_int_t ap, hn, ac, rq, rd, wr; | |
577 | 68 |
487 | 69 if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) { |
70 return NGX_HTTP_NOT_ALLOWED; | |
71 } | |
72 | |
1370
cc114c85be0f
rename ngx_http_discard_body() to ngx_http_discard_request_body()
Igor Sysoev <igor@sysoev.ru>
parents:
667
diff
changeset
|
73 rc = ngx_http_discard_request_body(r); |
487 | 74 |
1374 | 75 if (rc != NGX_OK) { |
487 | 76 return rc; |
77 } | |
78 | |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
1563
diff
changeset
|
79 ngx_str_set(&r->headers_out.content_type, "text/plain"); |
487 | 80 |
81 if (r->method == NGX_HTTP_HEAD) { | |
82 r->headers_out.status = NGX_HTTP_OK; | |
83 | |
84 rc = ngx_http_send_header(r); | |
85 | |
86 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
87 return rc; | |
88 } | |
89 } | |
90 | |
495 | 91 size = sizeof("Active connections: \n") + NGX_ATOMIC_T_LEN |
487 | 92 + sizeof("server accepts handled requests\n") - 1 |
495 | 93 + 6 + 3 * NGX_ATOMIC_T_LEN |
94 + sizeof("Reading: Writing: Waiting: \n") + 3 * NGX_ATOMIC_T_LEN; | |
487 | 95 |
501 | 96 b = ngx_create_temp_buf(r->pool, size); |
97 if (b == NULL) { | |
487 | 98 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
99 } | |
100 | |
101 out.buf = b; | |
102 out.next = NULL; | |
103 | |
104 ap = *ngx_stat_accepted; | |
495 | 105 hn = *ngx_stat_handled; |
487 | 106 ac = *ngx_stat_active; |
107 rq = *ngx_stat_requests; | |
108 rd = *ngx_stat_reading; | |
109 wr = *ngx_stat_writing; | |
110 | |
509 | 111 b->last = ngx_sprintf(b->last, "Active connections: %uA \n", ac); |
487 | 112 |
113 b->last = ngx_cpymem(b->last, "server accepts handled requests\n", | |
114 sizeof("server accepts handled requests\n") - 1); | |
115 | |
509 | 116 b->last = ngx_sprintf(b->last, " %uA %uA %uA \n", ap, hn, rq); |
487 | 117 |
509 | 118 b->last = ngx_sprintf(b->last, "Reading: %uA Writing: %uA Waiting: %uA \n", |
493 | 119 rd, wr, ac - (rd + wr)); |
487 | 120 |
121 r->headers_out.status = NGX_HTTP_OK; | |
122 r->headers_out.content_length_n = b->last - b->pos; | |
123 | |
4659
f12d474f0d5e
Merge of r4612: proper subrequest handling in various modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
124 b->last_buf = (r == r->main) ? 1 : 0; |
487 | 125 |
126 rc = ngx_http_send_header(r); | |
127 | |
128 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
129 return rc; | |
130 } | |
131 | |
1563
022ec9420f80
style fix: remove double semicolons
Igor Sysoev <igor@sysoev.ru>
parents:
1374
diff
changeset
|
132 return ngx_http_output_filter(r, &out); |
487 | 133 } |
134 | |
135 | |
136 static char *ngx_http_set_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
137 { | |
138 ngx_http_core_loc_conf_t *clcf; | |
139 | |
140 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
141 clcf->handler = ngx_http_status_handler; | |
142 | |
143 return NGX_CONF_OK; | |
144 } |