Mercurial > hg > nginx
annotate src/http/modules/ngx_http_status_handler.c @ 367:ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 24 Jun 2004 07:53:37 +0000 |
parents | src/http/modules/ngx_http_status.c@f1d0e5f09c1e |
children | 15c84a40e87d |
rev | line source |
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216
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_http.h> |
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5 |
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7 static char *ngx_http_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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9 static ngx_command_t ngx_http_status_commands[] = { |
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11 { ngx_string("status"), |
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12 NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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13 ngx_http_status, |
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14 0, |
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15 0, |
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16 NULL }, |
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17 |
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18 ngx_null_command |
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19 }; |
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20 |
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21 |
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22 |
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23 ngx_http_module_t ngx_http_status_module_ctx = { |
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24 NULL, /* pre conf */ |
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25 |
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26 NULL, /* create main configuration */ |
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27 NULL, /* init main configuration */ |
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28 |
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29 NULL, /* create server configuration */ |
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30 NULL, /* merge server configuration */ |
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31 |
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32 NULL, /* create location configuration */ |
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33 NULL /* merge location configuration */ |
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34 }; |
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35 |
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36 |
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37 ngx_module_t ngx_http_status_module = { |
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38 NGX_MODULE, |
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39 &ngx_http_status_module_ctx, /* module context */ |
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40 ngx_http_status_commands, /* module directives */ |
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41 NGX_HTTP_MODULE, /* module type */ |
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42 NULL, /* init module */ |
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43 NULL /* init process */ |
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44 }; |
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45 |
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46 |
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47 static ngx_int_t ngx_http_status_handler(ngx_http_request_t *r) |
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48 { |
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49 size_t len; |
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50 ngx_int_t rc; |
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51 ngx_uint_t i, dash; |
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52 ngx_buf_t *b; |
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53 ngx_chain_t out; |
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54 ngx_connection_t *c; |
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55 ngx_http_request_t *rq; |
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56 |
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57 if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) { |
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58 return NGX_HTTP_NOT_ALLOWED; |
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59 } |
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60 |
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61 rc = ngx_http_discard_body(r); |
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62 |
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63 if (rc != NGX_OK && rc != NGX_AGAIN) { |
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64 return rc; |
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65 } |
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66 |
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67 if (!(r->headers_out.content_type = |
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68 ngx_http_add_header(&r->headers_out, ngx_http_headers_out))) |
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69 { |
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70 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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71 } |
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72 |
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73 r->headers_out.content_type->key.len = 0; |
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74 r->headers_out.content_type->key.data = NULL; |
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75 r->headers_out.content_type->value.len = sizeof("text/plain") - 1; |
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76 r->headers_out.content_type->value.data = (u_char *) "text/plain"; |
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77 |
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78 if (r->method == NGX_HTTP_HEAD) { |
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79 r->headers_out.status = NGX_HTTP_OK; |
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80 |
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81 rc = ngx_http_send_header(r); |
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82 |
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83 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { |
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84 return rc; |
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85 } |
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86 } |
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87 |
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88 len = 0; |
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89 dash = 0; |
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90 |
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91 c = ngx_cycle->connections; |
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92 for (i = 0; i < ngx_cycle->connection_n; i++) { |
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93 rq = c[i].data; |
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94 if (rq && rq->signature == NGX_HTTP_MODULE) { |
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95 |
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96 if (rq->request_line.len) { |
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97 len += NGX_INT32_LEN + 1 + rq->request_line.len + 2 + 2; |
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98 dash = 0; |
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99 } |
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100 |
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parents:
diff
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101 continue; |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
102 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
103 |
367
ceec87d1c2b3
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parents:
216
diff
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104 if (!dash) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
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105 len += 3; |
ceec87d1c2b3
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parents:
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106 dash = 1; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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|
107 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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|
108 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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|
109 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
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110 if (!(b = ngx_create_temp_buf(r->pool, len))) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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111 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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|
112 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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113 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
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114 dash = 0; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
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diff
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115 |
ceec87d1c2b3
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parents:
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116 for (i = 0; i < ngx_cycle->connection_n; i++) { |
ceec87d1c2b3
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parents:
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117 rq = c[i].data; |
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parents:
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118 if (rq && rq->signature == NGX_HTTP_MODULE) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
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119 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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120 #if 0 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
changeset
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121 switch (rq->http_state) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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122 case NGX_HTTP_INITING_REQUEST_STATE: |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
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|
123 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
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parents:
216
diff
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|
124 case NGX_HTTP_KEEPALIVE_STATE: |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
125 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
126 #endif |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
127 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
128 if (rq->request_line.len) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
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129 b->last += ngx_snprintf((char *) b->last, NGX_INT32_LEN, |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
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|
130 "%u", i); |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
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131 *(b->last++) = ' '; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
132 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
133 *(b->last++) = '"'; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
134 b->last = ngx_cpymem(b->last, r->request_line.data, |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
135 r->request_line.len); |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
136 *(b->last++) = '"'; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
137 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
138 *(b->last++) = CR; *(b->last++) = LF; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
139 dash = 0; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
140 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
141 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
142 continue; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
367
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
145 if (!dash) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
146 *(b->last++) = '-'; *(b->last++) = CR; *(b->last++) = LF; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
147 dash = 1; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
148 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
149 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
150 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
151 r->headers_out.status = NGX_HTTP_OK; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
152 r->headers_out.content_length_n = b->last - b->pos; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
153 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
154 rc = ngx_http_send_header(r); |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
155 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
156 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
157 return rc; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
158 } |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
159 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
160 if (!r->main) { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
161 b->last_buf = 1; |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 } |
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 |
367
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
164 out.buf = b; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
165 out.next = NULL; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
166 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
167 return ngx_http_output_filter(r, &out); |
216
f1d0e5f09c1e
nginx-0.0.1-2003-12-25-23:26:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 } |
367
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
169 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
170 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
171 static char *ngx_http_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
172 { |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
173 ngx_http_conf_ctx_t *ctx; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
174 ngx_http_core_loc_conf_t *clcf; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
175 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
176 ctx = cf->ctx; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
177 clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
178 clcf->handler = ngx_http_status_handler; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
179 |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
180 return NGX_CONF_OK; |
ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
181 } |