Mercurial > hg > nginx
annotate src/http/ngx_http_request_body.c @ 505:ee66921ecd47 release-0.1.27
nginx-0.1.27-RELEASE import
*) Feature: the "blocked" parameter of the "valid_referers" directive.
*) Change: the errors while handling the request header now logged at
"info" level. The server name and the "Host" and "Referer" header
lines also logged.
*) Change: the "Host" header line is also logged in error log.
*) Feature: the proxy_pass_unparsed_uri directive. The special handling
of the "://" symbols in URI, appeared in 0.1.11 version, now is
canceled.
*) Bugfix: nginx could not be built on FreeBSD and Linux, if the
--without-ngx_http_auth_basic_module configuration parameter was
used.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 28 Mar 2005 14:43:02 +0000 |
parents | d4ea69372b94 |
children | 9b8c906f6e63 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_http.h> |
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13 static void ngx_http_read_client_request_body_handler(ngx_event_t *rev); |
479 | 14 static ngx_int_t ngx_http_do_read_client_request_body(ngx_http_request_t *r, |
501 | 15 ngx_connection_t *c); |
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16 |
479 | 17 /* |
18 * on completion ngx_http_read_client_request_body() adds to | |
19 * r->request_body->bufs one or two bufs: | |
20 * *) one memory buf that was preread in r->header_in; | |
21 * *) one memory or file buf that contains the rest of the body | |
22 */ | |
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23 |
501 | 24 ngx_int_t |
25 ngx_http_read_client_request_body(ngx_http_request_t *r, | |
26 ngx_http_client_body_handler_pt post_handler) | |
479 | 27 |
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28 { |
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29 ssize_t size; |
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30 ngx_buf_t *b; |
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31 ngx_chain_t *cl; |
501 | 32 ngx_connection_t *c; |
479 | 33 ngx_http_request_body_t *rb; |
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34 ngx_http_core_loc_conf_t *clcf; |
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35 |
501 | 36 rb = ngx_pcalloc(r->pool, sizeof(ngx_http_request_body_t)); |
37 if (rb == NULL) { | |
479 | 38 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
39 } | |
40 | |
41 r->request_body = rb; | |
42 | |
501 | 43 /* STUB */ |
44 if (r->file.fd != NGX_INVALID_FILE) { | |
45 if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) { | |
46 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, | |
47 ngx_close_file_n " \"%V\" failed", &r->file.name); | |
48 } | |
49 r->file.fd = NGX_INVALID_FILE; | |
50 } | |
51 /**/ | |
52 | |
479 | 53 if (r->headers_in.content_length_n <= 0) { |
54 post_handler(r); | |
55 return NGX_OK; | |
56 } | |
57 | |
58 rb->post_handler = post_handler; | |
59 | |
60 /* | |
61 * set by ngx_pcalloc(): | |
62 * | |
63 * rb->bufs = NULL; | |
64 * rb->buf = NULL; | |
65 * rb->rest = 0; | |
66 */ | |
67 | |
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68 size = r->header_in->last - r->header_in->pos; |
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69 |
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70 if (size) { |
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71 |
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72 /* there is the pre-read part of the request body */ |
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73 |
501 | 74 b = ngx_calloc_buf(r->pool); |
75 if (b == NULL) { | |
479 | 76 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
77 } | |
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78 |
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79 b->temporary = 1; |
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80 b->start = b->pos = r->header_in->pos; |
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81 b->end = b->last = r->header_in->last; |
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82 |
501 | 83 rb->bufs = ngx_alloc_chain_link(r->pool); |
84 if (rb->bufs == NULL) { | |
479 | 85 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
86 } | |
87 | |
88 rb->bufs->buf = b; | |
89 rb->bufs->next = NULL; | |
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90 |
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91 if (size >= r->headers_in.content_length_n) { |
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92 |
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93 /* the whole request body was pre-read */ |
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94 |
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95 r->header_in->pos += r->headers_in.content_length_n; |
475 | 96 r->request_length += r->headers_in.content_length_n; |
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97 |
479 | 98 post_handler(r); |
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99 |
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100 return NGX_OK; |
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101 } |
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102 |
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103 r->header_in->pos = r->header_in->last; |
475 | 104 r->request_length += size; |
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105 } |
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106 |
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107 |
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108 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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109 |
479 | 110 rb->rest = r->headers_in.content_length_n - size; |
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111 |
479 | 112 if (rb->rest < clcf->client_body_buffer_size |
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113 + (clcf->client_body_buffer_size >> 2)) |
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114 { |
479 | 115 size = rb->rest; |
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116 |
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117 } else { |
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118 size = clcf->client_body_buffer_size; |
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119 } |
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120 |
501 | 121 rb->buf = ngx_create_temp_buf(r->pool, size); |
122 if (rb->buf == NULL) { | |
479 | 123 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
124 } | |
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125 |
501 | 126 cl = ngx_alloc_chain_link(r->pool); |
127 if (cl == NULL) { | |
479 | 128 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
129 } | |
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130 |
479 | 131 cl->buf = rb->buf; |
132 cl->next = NULL; | |
133 | |
134 if (rb->bufs) { | |
135 rb->bufs->next = cl; | |
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136 |
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137 } else { |
479 | 138 rb->bufs = cl; |
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139 } |
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140 |
501 | 141 c = r->connection; |
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142 |
501 | 143 c->read->event_handler = ngx_http_read_client_request_body_handler; |
144 | |
145 return ngx_http_do_read_client_request_body(r, c); | |
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146 } |
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147 |
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148 |
501 | 149 static void |
150 ngx_http_read_client_request_body_handler(ngx_event_t *rev) | |
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151 { |
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152 ngx_int_t rc; |
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153 ngx_connection_t *c; |
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154 ngx_http_request_t *r; |
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155 |
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156 c = rev->data; |
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157 r = c->data; |
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158 |
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159 if (rev->timedout) { |
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160 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT); |
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161 return; |
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162 } |
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163 |
479 | 164 rc = ngx_http_do_read_client_request_body(r, c); |
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165 |
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166 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { |
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167 ngx_http_finalize_request(r, rc); |
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168 } |
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169 } |
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170 |
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171 |
501 | 172 static ngx_int_t |
173 ngx_http_do_read_client_request_body(ngx_http_request_t *r, | |
174 ngx_connection_t *c) | |
293
ec3c049681fd
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parents:
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diff
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175 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
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parents:
171
diff
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|
176 size_t size; |
87e73f067470
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parents:
171
diff
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177 ssize_t n; |
343
6bdf858bff8c
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178 ngx_buf_t *b; |
479 | 179 ngx_temp_file_t *tf; |
180 ngx_http_request_body_t *rb; | |
162
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diff
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181 ngx_http_core_loc_conf_t *clcf; |
82
fccdb921e8b8
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parents:
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182 |
479 | 183 rb = r->request_body; |
82
fccdb921e8b8
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parents:
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changeset
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184 |
292
a472bfb778b3
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185 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
a472bfb778b3
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186 "http read client request body"); |
a472bfb778b3
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parents:
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187 |
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188 for ( ;; ) { |
479 | 189 if (rb->buf->last == rb->buf->end) { |
190 | |
191 if (rb->temp_file == NULL) { | |
501 | 192 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); |
193 if (tf == NULL) { | |
479 | 194 return NGX_ERROR; |
195 } | |
196 | |
197 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
198 | |
199 tf->file.fd = NGX_INVALID_FILE; | |
200 tf->file.log = r->connection->log; | |
201 tf->path = clcf->client_body_temp_path; | |
202 tf->pool = r->pool; | |
203 tf->warn = "a client request body is buffered " | |
204 "to a temporary file"; | |
205 | |
206 rb->temp_file = tf; | |
207 | |
208 } | |
209 | |
210 n = ngx_write_chain_to_temp_file(rb->temp_file, | |
211 rb->bufs->next ? rb->bufs->next: | |
212 rb->bufs); | |
292
a472bfb778b3
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parents:
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diff
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213 |
a472bfb778b3
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parents:
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214 /* TODO: n == 0 or not complete and level event */ |
a472bfb778b3
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parents:
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diff
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215 |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
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parents:
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216 if (n == NGX_ERROR) { |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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217 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
218 } |
a472bfb778b3
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parents:
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219 |
479 | 220 rb->temp_file->offset += n; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
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parents:
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diff
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221 |
479 | 222 rb->buf->pos = rb->buf->start; |
223 rb->buf->last = rb->buf->start; | |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
224 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
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parents:
diff
changeset
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225 |
479 | 226 size = rb->buf->end - rb->buf->last; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
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227 |
479 | 228 if (size > rb->rest) { |
229 size = rb->rest; | |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
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changeset
|
230 } |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
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parents:
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|
231 |
479 | 232 n = c->recv(c, rb->buf->last, size); |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
233 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
234 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
461 | 235 "http client request body recv %z", n); |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
236 |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
237 if (n == NGX_AGAIN) { |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
238 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
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|
239 ngx_add_timer(c->read, clcf->client_body_timeout); |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
240 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
241 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
242 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
243 } |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
244 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
245 return NGX_AGAIN; |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
246 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
247 |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
248 if (n == 0) { |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
249 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
250 "client closed prematurely connection"); |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
252 |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
253 if (n == 0 || n == NGX_ERROR) { |
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
254 r->closed = 1; |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
255 return NGX_HTTP_BAD_REQUEST; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
256 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 |
479 | 258 rb->buf->last += n; |
259 rb->rest -= n; | |
475 | 260 r->request_length += n; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
261 |
479 | 262 if (rb->rest == 0) { |
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
263 break; |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
264 } |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
265 |
479 | 266 if (rb->buf->last < rb->buf->end) { |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
267 break; |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
268 } |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
269 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
270 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
271 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
479 | 272 "http client request body rest %uz", rb->rest); |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
273 |
479 | 274 if (rb->rest) { |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
275 return NGX_AGAIN; |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
276 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
277 |
479 | 278 if (rb->temp_file) { |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
279 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
280 /* save the last part */ |
479 | 281 |
282 n = ngx_write_chain_to_temp_file(rb->temp_file, | |
283 rb->bufs->next ? rb->bufs->next: | |
284 rb->bufs); | |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
285 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
286 /* TODO: n == 0 or not complete and level event */ |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
288 if (n == NGX_ERROR) { |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
289 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
290 } |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
291 |
501 | 292 b = ngx_calloc_buf(r->pool); |
293 if (b == NULL) { | |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
294 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
295 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
296 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
303
diff
changeset
|
297 b->in_file = 1; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
303
diff
changeset
|
298 b->file_pos = 0; |
479 | 299 b->file_last = rb->temp_file->file.offset; |
300 b->file = &rb->temp_file->file; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
301 |
479 | 302 if (rb->bufs->next) { |
303 rb->bufs->next->buf = b; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
304 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
305 } else { |
479 | 306 rb->bufs->buf = b; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
307 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
308 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
309 |
479 | 310 rb->post_handler(r); |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
311 |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
292
diff
changeset
|
312 return NGX_OK; |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 } |