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comparison src/http/modules/ngx_http_status_handler.c @ 367:ceec87d1c2b3

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nginx-0.0.7-2004-06-24-11:53:37 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 24 Jun 2004 07:53:37 +0000
parents src/http/modules/ngx_http_status.c@f1d0e5f09c1e
children 15c84a40e87d
comparison
equal deleted inserted replaced
366:e411b1482ee3 367:ceec87d1c2b3
1
2 #include <ngx_config.h>
3 #include <ngx_core.h>
4 #include <ngx_http.h>
5
6
7 static char *ngx_http_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
8
9 static ngx_command_t ngx_http_status_commands[] = {
10
11 { ngx_string("status"),
12 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
13 ngx_http_status,
14 0,
15 0,
16 NULL },
17
18 ngx_null_command
19 };
20
21
22
23 ngx_http_module_t ngx_http_status_module_ctx = {
24 NULL, /* pre conf */
25
26 NULL, /* create main configuration */
27 NULL, /* init main configuration */
28
29 NULL, /* create server configuration */
30 NULL, /* merge server configuration */
31
32 NULL, /* create location configuration */
33 NULL /* merge location configuration */
34 };
35
36
37 ngx_module_t ngx_http_status_module = {
38 NGX_MODULE,
39 &ngx_http_status_module_ctx, /* module context */
40 ngx_http_status_commands, /* module directives */
41 NGX_HTTP_MODULE, /* module type */
42 NULL, /* init module */
43 NULL /* init process */
44 };
45
46
47 static ngx_int_t ngx_http_status_handler(ngx_http_request_t *r)
48 {
49 size_t len;
50 ngx_int_t rc;
51 ngx_uint_t i, dash;
52 ngx_buf_t *b;
53 ngx_chain_t out;
54 ngx_connection_t *c;
55 ngx_http_request_t *rq;
56
57 if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) {
58 return NGX_HTTP_NOT_ALLOWED;
59 }
60
61 rc = ngx_http_discard_body(r);
62
63 if (rc != NGX_OK && rc != NGX_AGAIN) {
64 return rc;
65 }
66
67 if (!(r->headers_out.content_type =
68 ngx_http_add_header(&r->headers_out, ngx_http_headers_out)))
69 {
70 return NGX_HTTP_INTERNAL_SERVER_ERROR;
71 }
72
73 r->headers_out.content_type->key.len = 0;
74 r->headers_out.content_type->key.data = NULL;
75 r->headers_out.content_type->value.len = sizeof("text/plain") - 1;
76 r->headers_out.content_type->value.data = (u_char *) "text/plain";
77
78 if (r->method == NGX_HTTP_HEAD) {
79 r->headers_out.status = NGX_HTTP_OK;
80
81 rc = ngx_http_send_header(r);
82
83 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
84 return rc;
85 }
86 }
87
88 len = 0;
89 dash = 0;
90
91 c = ngx_cycle->connections;
92 for (i = 0; i < ngx_cycle->connection_n; i++) {
93 rq = c[i].data;
94 if (rq && rq->signature == NGX_HTTP_MODULE) {
95
96 if (rq->request_line.len) {
97 len += NGX_INT32_LEN + 1 + rq->request_line.len + 2 + 2;
98 dash = 0;
99 }
100
101 continue;
102 }
103
104 if (!dash) {
105 len += 3;
106 dash = 1;
107 }
108 }
109
110 if (!(b = ngx_create_temp_buf(r->pool, len))) {
111 return NGX_HTTP_INTERNAL_SERVER_ERROR;
112 }
113
114 dash = 0;
115
116 for (i = 0; i < ngx_cycle->connection_n; i++) {
117 rq = c[i].data;
118 if (rq && rq->signature == NGX_HTTP_MODULE) {
119
120 #if 0
121 switch (rq->http_state) {
122 case NGX_HTTP_INITING_REQUEST_STATE:
123
124 case NGX_HTTP_KEEPALIVE_STATE:
125 }
126 #endif
127
128 if (rq->request_line.len) {
129 b->last += ngx_snprintf((char *) b->last, NGX_INT32_LEN,
130 "%u", i);
131 *(b->last++) = ' ';
132
133 *(b->last++) = '"';
134 b->last = ngx_cpymem(b->last, r->request_line.data,
135 r->request_line.len);
136 *(b->last++) = '"';
137
138 *(b->last++) = CR; *(b->last++) = LF;
139 dash = 0;
140 }
141
142 continue;
143 }
144
145 if (!dash) {
146 *(b->last++) = '-'; *(b->last++) = CR; *(b->last++) = LF;
147 dash = 1;
148 }
149 }
150
151 r->headers_out.status = NGX_HTTP_OK;
152 r->headers_out.content_length_n = b->last - b->pos;
153
154 rc = ngx_http_send_header(r);
155
156 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
157 return rc;
158 }
159
160 if (!r->main) {
161 b->last_buf = 1;
162 }
163
164 out.buf = b;
165 out.next = NULL;
166
167 return ngx_http_output_filter(r, &out);
168 }
169
170
171 static char *ngx_http_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
172 {
173 ngx_http_conf_ctx_t *ctx;
174 ngx_http_core_loc_conf_t *clcf;
175
176 ctx = cf->ctx;
177 clcf = ctx->loc_conf[ngx_http_core_module.ctx_index];
178 clcf->handler = ngx_http_status_handler;
179
180 return NGX_CONF_OK;
181 }