Mercurial > hg > nginx
annotate src/http/modules/ngx_http_stub_status_module.c @ 3914:2b92090d8a43
fix typo
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 11 May 2011 09:25:37 +0000 |
| parents | dd1570b6f237 |
| children | d620f497c50f |
| rev | line source |
|---|---|
| 577 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 487 | 6 |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 12 static char *ngx_http_set_status(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 13 void *conf); | |
| 577 | 14 |
| 487 | 15 static ngx_command_t ngx_http_status_commands[] = { |
| 16 | |
| 17 { ngx_string("stub_status"), | |
| 18 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 19 ngx_http_set_status, | |
| 20 0, | |
| 21 0, | |
| 22 NULL }, | |
| 23 | |
| 24 ngx_null_command | |
| 577 | 25 }; |
| 487 | 26 |
| 27 | |
| 577 | 28 |
| 667 | 29 static ngx_http_module_t ngx_http_stub_status_module_ctx = { |
| 509 | 30 NULL, /* preconfiguration */ |
| 31 NULL, /* postconfiguration */ | |
| 487 | 32 |
| 33 NULL, /* create main configuration */ | |
| 34 NULL, /* init main configuration */ | |
| 577 | 35 |
| 487 | 36 NULL, /* create server configuration */ |
| 37 NULL, /* merge server configuration */ | |
| 577 | 38 |
| 487 | 39 NULL, /* create location configuration */ |
| 40 NULL /* merge location configuration */ | |
| 41 }; | |
| 42 | |
| 43 | |
| 44 ngx_module_t ngx_http_stub_status_module = { | |
| 509 | 45 NGX_MODULE_V1, |
| 487 | 46 &ngx_http_stub_status_module_ctx, /* module context */ |
| 47 ngx_http_status_commands, /* module directives */ | |
| 48 NGX_HTTP_MODULE, /* module type */ | |
| 541 | 49 NULL, /* init master */ |
| 487 | 50 NULL, /* init module */ |
| 541 | 51 NULL, /* init process */ |
| 52 NULL, /* init thread */ | |
| 53 NULL, /* exit thread */ | |
| 54 NULL, /* exit process */ | |
| 55 NULL, /* exit master */ | |
| 56 NGX_MODULE_V1_PADDING | |
| 487 | 57 }; |
| 58 | |
| 59 | |
| 60 static ngx_int_t ngx_http_status_handler(ngx_http_request_t *r) | |
| 61 { | |
| 495 | 62 size_t size; |
| 63 ngx_int_t rc; | |
| 64 ngx_buf_t *b; | |
| 65 ngx_chain_t out; | |
| 66 ngx_atomic_int_t ap, hn, ac, rq, rd, wr; | |
| 577 | 67 |
| 487 | 68 if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) { |
| 69 return NGX_HTTP_NOT_ALLOWED; | |
| 70 } | |
| 71 | |
|
1370
cc114c85be0f
rename ngx_http_discard_body() to ngx_http_discard_request_body()
Igor Sysoev <igor@sysoev.ru>
parents:
667
diff
changeset
|
72 rc = ngx_http_discard_request_body(r); |
| 487 | 73 |
| 1374 | 74 if (rc != NGX_OK) { |
| 487 | 75 return rc; |
| 76 } | |
| 77 | |
|
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
1563
diff
changeset
|
78 ngx_str_set(&r->headers_out.content_type, "text/plain"); |
| 487 | 79 |
| 80 if (r->method == NGX_HTTP_HEAD) { | |
| 81 r->headers_out.status = NGX_HTTP_OK; | |
| 82 | |
| 83 rc = ngx_http_send_header(r); | |
| 84 | |
| 85 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| 86 return rc; | |
| 87 } | |
| 88 } | |
| 89 | |
| 495 | 90 size = sizeof("Active connections: \n") + NGX_ATOMIC_T_LEN |
| 487 | 91 + sizeof("server accepts handled requests\n") - 1 |
| 495 | 92 + 6 + 3 * NGX_ATOMIC_T_LEN |
| 93 + sizeof("Reading: Writing: Waiting: \n") + 3 * NGX_ATOMIC_T_LEN; | |
| 487 | 94 |
| 501 | 95 b = ngx_create_temp_buf(r->pool, size); |
| 96 if (b == NULL) { | |
| 487 | 97 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 98 } | |
| 99 | |
| 100 out.buf = b; | |
| 101 out.next = NULL; | |
| 102 | |
| 103 ap = *ngx_stat_accepted; | |
| 495 | 104 hn = *ngx_stat_handled; |
| 487 | 105 ac = *ngx_stat_active; |
| 106 rq = *ngx_stat_requests; | |
| 107 rd = *ngx_stat_reading; | |
| 108 wr = *ngx_stat_writing; | |
| 109 | |
| 509 | 110 b->last = ngx_sprintf(b->last, "Active connections: %uA \n", ac); |
| 487 | 111 |
| 112 b->last = ngx_cpymem(b->last, "server accepts handled requests\n", | |
| 113 sizeof("server accepts handled requests\n") - 1); | |
| 114 | |
| 509 | 115 b->last = ngx_sprintf(b->last, " %uA %uA %uA \n", ap, hn, rq); |
| 487 | 116 |
| 509 | 117 b->last = ngx_sprintf(b->last, "Reading: %uA Writing: %uA Waiting: %uA \n", |
| 493 | 118 rd, wr, ac - (rd + wr)); |
| 487 | 119 |
| 120 r->headers_out.status = NGX_HTTP_OK; | |
| 121 r->headers_out.content_length_n = b->last - b->pos; | |
| 122 | |
| 123 b->last_buf = 1; | |
| 124 | |
| 125 rc = ngx_http_send_header(r); | |
| 126 | |
| 127 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| 128 return rc; | |
| 129 } | |
| 130 | |
|
1563
022ec9420f80
style fix: remove double semicolons
Igor Sysoev <igor@sysoev.ru>
parents:
1374
diff
changeset
|
131 return ngx_http_output_filter(r, &out); |
| 487 | 132 } |
| 133 | |
| 134 | |
| 135 static char *ngx_http_set_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 136 { | |
| 137 ngx_http_core_loc_conf_t *clcf; | |
| 138 | |
| 139 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 140 clcf->handler = ngx_http_status_handler; | |
| 141 | |
| 142 return NGX_CONF_OK; | |
| 143 } |