Mercurial > hg > nginx
annotate src/http/ngx_http_request_body.c @ 4922:dfa586842962
Request body: code duplication reduced, no functional changes.
The r->request_body_in_file_only with empty body case is now handled in
ngx_http_write_request_body().
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Wed, 21 Nov 2012 00:55:50 +0000 |
parents | 834049edae24 |
children | 57174af2e695 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
509 | 13 static void ngx_http_read_client_request_body_handler(ngx_http_request_t *r); |
14 static ngx_int_t ngx_http_do_read_client_request_body(ngx_http_request_t *r); | |
633 | 15 static ngx_int_t ngx_http_write_request_body(ngx_http_request_t *r, |
16 ngx_chain_t *body); | |
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17 static ngx_int_t ngx_http_read_discarded_request_body(ngx_http_request_t *r); |
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18 static ngx_int_t ngx_http_test_expect(ngx_http_request_t *r); |
633 | 19 |
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20 |
479 | 21 /* |
22 * on completion ngx_http_read_client_request_body() adds to | |
23 * r->request_body->bufs one or two bufs: | |
24 * *) one memory buf that was preread in r->header_in; | |
25 * *) one memory or file buf that contains the rest of the body | |
26 */ | |
83
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27 |
501 | 28 ngx_int_t |
29 ngx_http_read_client_request_body(ngx_http_request_t *r, | |
30 ngx_http_client_body_handler_pt post_handler) | |
160
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31 { |
663 | 32 size_t preread; |
33 ssize_t size; | |
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34 ngx_buf_t *b; |
633 | 35 ngx_chain_t *cl, **next; |
479 | 36 ngx_http_request_body_t *rb; |
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37 ngx_http_core_loc_conf_t *clcf; |
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38 |
3049 | 39 r->main->count++; |
40 | |
537 | 41 if (r->request_body || r->discard_body) { |
509 | 42 post_handler(r); |
43 return NGX_OK; | |
44 } | |
45 | |
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46 if (ngx_http_test_expect(r) != NGX_OK) { |
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47 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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48 } |
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49 |
501 | 50 rb = ngx_pcalloc(r->pool, sizeof(ngx_http_request_body_t)); |
51 if (rb == NULL) { | |
479 | 52 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
53 } | |
54 | |
55 r->request_body = rb; | |
56 | |
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57 if (r->headers_in.content_length_n < 0) { |
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58 post_handler(r); |
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59 return NGX_OK; |
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60 } |
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61 |
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62 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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63 |
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64 if (r->headers_in.content_length_n == 0) { |
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65 |
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66 if (r->request_body_in_file_only) { |
4922
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67 if (ngx_http_write_request_body(r, NULL) != NGX_OK) { |
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68 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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69 } |
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70 } |
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71 |
479 | 72 post_handler(r); |
1290 | 73 |
479 | 74 return NGX_OK; |
75 } | |
76 | |
77 rb->post_handler = post_handler; | |
78 | |
79 /* | |
80 * set by ngx_pcalloc(): | |
81 * | |
82 * rb->bufs = NULL; | |
83 * rb->buf = NULL; | |
84 * rb->rest = 0; | |
85 */ | |
86 | |
633 | 87 preread = r->header_in->last - r->header_in->pos; |
83
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88 |
633 | 89 if (preread) { |
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90 |
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91 /* there is the pre-read part of the request body */ |
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92 |
633 | 93 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
94 "http client request body preread %uz", preread); | |
95 | |
501 | 96 b = ngx_calloc_buf(r->pool); |
97 if (b == NULL) { | |
479 | 98 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
99 } | |
82
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100 |
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101 b->temporary = 1; |
633 | 102 b->start = r->header_in->pos; |
103 b->pos = r->header_in->pos; | |
104 b->last = r->header_in->last; | |
105 b->end = r->header_in->end; | |
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106 |
501 | 107 rb->bufs = ngx_alloc_chain_link(r->pool); |
108 if (rb->bufs == NULL) { | |
479 | 109 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
110 } | |
111 | |
112 rb->bufs->buf = b; | |
113 rb->bufs->next = NULL; | |
160
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114 |
667 | 115 rb->buf = b; |
116 | |
665 | 117 if ((off_t) preread >= r->headers_in.content_length_n) { |
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118 |
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119 /* the whole request body was pre-read */ |
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120 |
663 | 121 r->header_in->pos += (size_t) r->headers_in.content_length_n; |
475 | 122 r->request_length += r->headers_in.content_length_n; |
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123 b->last = r->header_in->pos; |
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124 |
633 | 125 if (r->request_body_in_file_only) { |
126 if (ngx_http_write_request_body(r, rb->bufs) != NGX_OK) { | |
127 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
128 } | |
129 } | |
130 | |
479 | 131 post_handler(r); |
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132 |
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133 return NGX_OK; |
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134 } |
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135 |
633 | 136 /* |
137 * to not consider the body as pipelined request in | |
138 * ngx_http_set_keepalive() | |
139 */ | |
162
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140 r->header_in->pos = r->header_in->last; |
633 | 141 |
142 r->request_length += preread; | |
143 | |
144 rb->rest = r->headers_in.content_length_n - preread; | |
145 | |
665 | 146 if (rb->rest <= (off_t) (b->end - b->last)) { |
633 | 147 |
148 /* the whole request body may be placed in r->header_in */ | |
149 | |
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150 rb->to_write = rb->bufs; |
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151 |
633 | 152 r->read_event_handler = ngx_http_read_client_request_body_handler; |
153 | |
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154 return ngx_http_do_read_client_request_body(r); |
633 | 155 } |
156 | |
157 next = &rb->bufs->next; | |
158 | |
159 } else { | |
160 b = NULL; | |
161 rb->rest = r->headers_in.content_length_n; | |
162 next = &rb->bufs; | |
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163 } |
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164 |
633 | 165 size = clcf->client_body_buffer_size; |
166 size += size >> 2; | |
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167 |
663 | 168 if (rb->rest < size) { |
169 size = (ssize_t) rb->rest; | |
160
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170 |
633 | 171 if (r->request_body_in_single_buf) { |
172 size += preread; | |
173 } | |
174 | |
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175 } else { |
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176 size = clcf->client_body_buffer_size; |
633 | 177 |
178 /* disable copying buffer for r->request_body_in_single_buf */ | |
179 b = NULL; | |
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180 } |
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181 |
501 | 182 rb->buf = ngx_create_temp_buf(r->pool, size); |
183 if (rb->buf == NULL) { | |
479 | 184 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
185 } | |
160
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186 |
501 | 187 cl = ngx_alloc_chain_link(r->pool); |
188 if (cl == NULL) { | |
479 | 189 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
190 } | |
160
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191 |
479 | 192 cl->buf = rb->buf; |
193 cl->next = NULL; | |
194 | |
633 | 195 if (b && r->request_body_in_single_buf) { |
196 size = b->last - b->pos; | |
197 ngx_memcpy(rb->buf->pos, b->pos, size); | |
198 rb->buf->last += size; | |
199 | |
200 next = &rb->bufs; | |
201 } | |
202 | |
203 *next = cl; | |
204 | |
205 if (r->request_body_in_file_only || r->request_body_in_single_buf) { | |
206 rb->to_write = rb->bufs; | |
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207 |
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208 } else { |
633 | 209 rb->to_write = rb->bufs->next ? rb->bufs->next : rb->bufs; |
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210 } |
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211 |
509 | 212 r->read_event_handler = ngx_http_read_client_request_body_handler; |
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213 |
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214 return ngx_http_do_read_client_request_body(r); |
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215 } |
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216 |
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217 |
501 | 218 static void |
509 | 219 ngx_http_read_client_request_body_handler(ngx_http_request_t *r) |
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220 { |
509 | 221 ngx_int_t rc; |
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222 |
509 | 223 if (r->connection->read->timedout) { |
577 | 224 r->connection->timedout = 1; |
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225 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT); |
299
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226 return; |
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227 } |
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228 |
509 | 229 rc = ngx_http_do_read_client_request_body(r); |
293
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230 |
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231 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { |
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232 ngx_http_finalize_request(r, rc); |
293
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233 } |
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234 } |
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235 |
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236 |
501 | 237 static ngx_int_t |
509 | 238 ngx_http_do_read_client_request_body(ngx_http_request_t *r) |
293
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239 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
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171
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|
240 size_t size; |
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|
241 ssize_t n; |
343
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242 ngx_buf_t *b; |
509 | 243 ngx_connection_t *c; |
479 | 244 ngx_http_request_body_t *rb; |
162
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|
245 ngx_http_core_loc_conf_t *clcf; |
82
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246 |
509 | 247 c = r->connection; |
479 | 248 rb = r->request_body; |
82
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249 |
292
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250 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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251 "http read client request body"); |
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252 |
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253 for ( ;; ) { |
841
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254 for ( ;; ) { |
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255 if (rb->buf->last == rb->buf->end) { |
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256 |
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257 if (ngx_http_write_request_body(r, rb->to_write) != NGX_OK) { |
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258 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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259 } |
479 | 260 |
841
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261 rb->to_write = rb->bufs->next ? rb->bufs->next : rb->bufs; |
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262 rb->buf->last = rb->buf->start; |
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263 } |
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264 |
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265 size = rb->buf->end - rb->buf->last; |
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266 |
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267 if ((off_t) size > rb->rest) { |
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268 size = (size_t) rb->rest; |
292
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|
269 } |
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270 |
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271 n = c->recv(c, rb->buf->last, size); |
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272 |
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273 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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274 "http client request body recv %z", n); |
82
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275 |
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276 if (n == NGX_AGAIN) { |
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277 break; |
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278 } |
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279 |
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280 if (n == 0) { |
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281 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
4593
834049edae24
Fixed grammar in error messages.
Ruslan Ermilov <ru@nginx.com>
parents:
4412
diff
changeset
|
282 "client prematurely closed connection"); |
841
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283 } |
292
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290
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284 |
841
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285 if (n == 0 || n == NGX_ERROR) { |
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286 c->error = 1; |
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287 return NGX_HTTP_BAD_REQUEST; |
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288 } |
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289 |
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290 rb->buf->last += n; |
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291 rb->rest -= n; |
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292 r->request_length += n; |
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293 |
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294 if (rb->rest == 0) { |
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295 break; |
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296 } |
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297 |
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298 if (rb->buf->last < rb->buf->end) { |
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299 break; |
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300 } |
292
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parents:
290
diff
changeset
|
301 } |
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parents:
290
diff
changeset
|
302 |
293
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292
diff
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|
303 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
1112 | 304 "http client request body rest %O", rb->rest); |
292
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parents:
290
diff
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|
305 |
479 | 306 if (rb->rest == 0) { |
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
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parents:
293
diff
changeset
|
307 break; |
5cfd65b8b0a7
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parents:
293
diff
changeset
|
308 } |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
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parents:
293
diff
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|
309 |
841
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310 if (!c->read->ready) { |
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311 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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312 ngx_add_timer(c->read, clcf->client_body_timeout); |
293
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parents:
292
diff
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|
313 |
2388
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use "!= NGX_OK" instead of "== NGX_ERROR"
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parents:
2233
diff
changeset
|
314 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
841
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315 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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|
316 } |
573 | 317 |
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318 return NGX_AGAIN; |
573 | 319 } |
82
fccdb921e8b8
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parents:
diff
changeset
|
320 } |
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parents:
diff
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|
321 |
573 | 322 if (c->read->timer_set) { |
323 ngx_del_timer(c->read); | |
324 } | |
325 | |
633 | 326 if (rb->temp_file || r->request_body_in_file_only) { |
82
fccdb921e8b8
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parents:
diff
changeset
|
327 |
160
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nginx-0.0.1-2003-10-27-11:53:49 import
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parents:
83
diff
changeset
|
328 /* save the last part */ |
479 | 329 |
633 | 330 if (ngx_http_write_request_body(r, rb->to_write) != NGX_OK) { |
293
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nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
292
diff
changeset
|
331 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
162
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nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
332 } |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
333 |
501 | 334 b = ngx_calloc_buf(r->pool); |
335 if (b == NULL) { | |
293
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nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
292
diff
changeset
|
336 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
82
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parents:
diff
changeset
|
337 } |
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parents:
diff
changeset
|
338 |
343
6bdf858bff8c
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parents:
303
diff
changeset
|
339 b->in_file = 1; |
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parents:
303
diff
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|
340 b->file_pos = 0; |
479 | 341 b->file_last = rb->temp_file->file.offset; |
342 b->file = &rb->temp_file->file; | |
160
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parents:
83
diff
changeset
|
343 |
479 | 344 if (rb->bufs->next) { |
345 rb->bufs->next->buf = b; | |
160
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parents:
83
diff
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|
346 |
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83
diff
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|
347 } else { |
479 | 348 rb->bufs->buf = b; |
160
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83
diff
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|
349 } |
82
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diff
changeset
|
350 } |
fccdb921e8b8
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parents:
diff
changeset
|
351 |
4006
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Fix body with request_body_in_single_buf.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4005
diff
changeset
|
352 if (rb->bufs->next |
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Fix body with request_body_in_single_buf.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4005
diff
changeset
|
353 && (r->request_body_in_file_only || r->request_body_in_single_buf)) |
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Fix body with request_body_in_single_buf.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4005
diff
changeset
|
354 { |
633 | 355 rb->bufs = rb->bufs->next; |
356 } | |
357 | |
4072
cf334deeea66
Bugfix: read event was not blocked after reading body.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4006
diff
changeset
|
358 r->read_event_handler = ngx_http_block_reading; |
cf334deeea66
Bugfix: read event was not blocked after reading body.
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parents:
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diff
changeset
|
359 |
479 | 360 rb->post_handler(r); |
293
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361 |
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362 return NGX_OK; |
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363 } |
633 | 364 |
365 | |
366 static ngx_int_t | |
367 ngx_http_write_request_body(ngx_http_request_t *r, ngx_chain_t *body) | |
368 { | |
369 ssize_t n; | |
370 ngx_temp_file_t *tf; | |
371 ngx_http_request_body_t *rb; | |
372 ngx_http_core_loc_conf_t *clcf; | |
373 | |
374 rb = r->request_body; | |
375 | |
376 if (rb->temp_file == NULL) { | |
377 tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)); | |
378 if (tf == NULL) { | |
379 return NGX_ERROR; | |
380 } | |
381 | |
382 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
383 | |
384 tf->file.fd = NGX_INVALID_FILE; | |
385 tf->file.log = r->connection->log; | |
386 tf->path = clcf->client_body_temp_path; | |
387 tf->pool = r->pool; | |
388 tf->warn = "a client request body is buffered to a temporary file"; | |
637 | 389 tf->log_level = r->request_body_file_log_level; |
633 | 390 tf->persistent = r->request_body_in_persistent_file; |
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391 tf->clean = r->request_body_in_clean_file; |
633 | 392 |
393 if (r->request_body_file_group_access) { | |
1046 | 394 tf->access = 0660; |
633 | 395 } |
396 | |
397 rb->temp_file = tf; | |
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398 |
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399 if (body == NULL) { |
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400 /* empty body with r->request_body_in_file_only */ |
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401 |
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402 if (ngx_create_temp_file(&tf->file, tf->path, tf->pool, |
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403 tf->persistent, tf->clean, tf->access) |
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404 != NGX_OK) |
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405 { |
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406 return NGX_ERROR; |
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407 } |
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408 |
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409 return NGX_OK; |
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410 } |
633 | 411 } |
412 | |
413 n = ngx_write_chain_to_temp_file(rb->temp_file, body); | |
414 | |
415 /* TODO: n == 0 or not complete and level event */ | |
416 | |
417 if (n == NGX_ERROR) { | |
418 return NGX_ERROR; | |
419 } | |
420 | |
421 rb->temp_file->offset += n; | |
422 | |
423 return NGX_OK; | |
424 } | |
425 | |
426 | |
427 ngx_int_t | |
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428 ngx_http_discard_request_body(ngx_http_request_t *r) |
633 | 429 { |
430 ssize_t size; | |
431 ngx_event_t *rev; | |
432 | |
673 | 433 if (r != r->main || r->discard_body) { |
633 | 434 return NGX_OK; |
435 } | |
436 | |
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437 if (ngx_http_test_expect(r) != NGX_OK) { |
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438 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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439 } |
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440 |
633 | 441 rev = r->connection->read; |
442 | |
443 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, "http set discard body"); | |
444 | |
445 if (rev->timer_set) { | |
446 ngx_del_timer(rev); | |
447 } | |
448 | |
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449 if (r->headers_in.content_length_n <= 0 || r->request_body) { |
633 | 450 return NGX_OK; |
451 } | |
452 | |
453 size = r->header_in->last - r->header_in->pos; | |
454 | |
455 if (size) { | |
456 if (r->headers_in.content_length_n > size) { | |
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457 r->header_in->pos += size; |
633 | 458 r->headers_in.content_length_n -= size; |
459 | |
460 } else { | |
663 | 461 r->header_in->pos += (size_t) r->headers_in.content_length_n; |
633 | 462 r->headers_in.content_length_n = 0; |
463 return NGX_OK; | |
464 } | |
465 } | |
466 | |
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467 r->read_event_handler = ngx_http_discarded_request_body_handler; |
633 | 468 |
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469 if (ngx_handle_read_event(rev, 0) != NGX_OK) { |
633 | 470 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
471 } | |
472 | |
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473 if (ngx_http_read_discarded_request_body(r) == NGX_OK) { |
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474 r->lingering_close = 0; |
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475 |
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476 } else { |
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477 r->count++; |
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478 r->discard_body = 1; |
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479 } |
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480 |
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481 return NGX_OK; |
633 | 482 } |
483 | |
484 | |
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485 void |
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486 ngx_http_discarded_request_body_handler(ngx_http_request_t *r) |
633 | 487 { |
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488 ngx_int_t rc; |
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489 ngx_msec_t timer; |
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490 ngx_event_t *rev; |
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491 ngx_connection_t *c; |
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492 ngx_http_core_loc_conf_t *clcf; |
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493 |
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494 c = r->connection; |
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495 rev = c->read; |
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496 |
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497 if (rev->timedout) { |
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498 c->timedout = 1; |
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499 c->error = 1; |
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500 ngx_http_finalize_request(r, NGX_ERROR); |
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501 return; |
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502 } |
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503 |
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504 if (r->lingering_time) { |
1640 | 505 timer = (ngx_msec_t) (r->lingering_time - ngx_time()); |
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506 |
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507 if (timer <= 0) { |
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508 r->discard_body = 0; |
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509 r->lingering_close = 0; |
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510 ngx_http_finalize_request(r, NGX_ERROR); |
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511 return; |
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512 } |
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513 |
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514 } else { |
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515 timer = 0; |
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516 } |
633 | 517 |
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518 rc = ngx_http_read_discarded_request_body(r); |
633 | 519 |
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520 if (rc == NGX_OK) { |
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521 r->discard_body = 0; |
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522 r->lingering_close = 0; |
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523 ngx_http_finalize_request(r, NGX_DONE); |
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524 return; |
633 | 525 } |
526 | |
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527 /* rc == NGX_AGAIN */ |
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528 |
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529 if (ngx_handle_read_event(rev, 0) != NGX_OK) { |
1456 | 530 c->error = 1; |
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531 ngx_http_finalize_request(r, NGX_ERROR); |
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532 return; |
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533 } |
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534 |
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535 if (timer) { |
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536 |
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537 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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538 |
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539 timer *= 1000; |
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540 |
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541 if (timer > clcf->lingering_timeout) { |
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542 timer = clcf->lingering_timeout; |
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543 } |
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544 |
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545 ngx_add_timer(rev, timer); |
633 | 546 } |
547 } | |
548 | |
549 | |
550 static ngx_int_t | |
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551 ngx_http_read_discarded_request_body(ngx_http_request_t *r) |
633 | 552 { |
663 | 553 size_t size; |
554 ssize_t n; | |
633 | 555 u_char buffer[NGX_HTTP_DISCARD_BUFFER_SIZE]; |
556 | |
557 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
558 "http read discarded body"); | |
559 | |
3162 | 560 for ( ;; ) { |
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561 if (r->headers_in.content_length_n == 0) { |
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562 r->read_event_handler = ngx_http_block_reading; |
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563 return NGX_OK; |
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564 } |
633 | 565 |
3162 | 566 if (!r->connection->read->ready) { |
567 return NGX_AGAIN; | |
568 } | |
569 | |
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570 size = (r->headers_in.content_length_n > NGX_HTTP_DISCARD_BUFFER_SIZE) ? |
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571 NGX_HTTP_DISCARD_BUFFER_SIZE: |
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572 (size_t) r->headers_in.content_length_n; |
633 | 573 |
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574 n = r->connection->recv(r->connection, buffer, size); |
633 | 575 |
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576 if (n == NGX_ERROR) { |
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577 r->connection->error = 1; |
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578 return NGX_OK; |
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579 } |
633 | 580 |
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581 if (n == NGX_AGAIN) { |
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582 return NGX_AGAIN; |
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583 } |
633 | 584 |
1422
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585 if (n == 0) { |
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586 return NGX_OK; |
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587 } |
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588 |
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589 r->headers_in.content_length_n -= n; |
3162 | 590 } |
633 | 591 } |
2436
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592 |
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593 |
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594 static ngx_int_t |
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595 ngx_http_test_expect(ngx_http_request_t *r) |
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596 { |
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597 ngx_int_t n; |
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598 ngx_str_t *expect; |
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599 |
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600 if (r->expect_tested |
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601 || r->headers_in.expect == NULL |
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602 || r->http_version < NGX_HTTP_VERSION_11) |
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603 { |
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604 return NGX_OK; |
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605 } |
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606 |
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607 r->expect_tested = 1; |
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608 |
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609 expect = &r->headers_in.expect->value; |
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610 |
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611 if (expect->len != sizeof("100-continue") - 1 |
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612 || ngx_strncasecmp(expect->data, (u_char *) "100-continue", |
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613 sizeof("100-continue") - 1) |
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614 != 0) |
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615 { |
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616 return NGX_OK; |
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617 } |
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618 |
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619 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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620 "send 100 Continue"); |
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621 |
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622 n = r->connection->send(r->connection, |
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623 (u_char *) "HTTP/1.1 100 Continue" CRLF CRLF, |
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624 sizeof("HTTP/1.1 100 Continue" CRLF CRLF) - 1); |
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625 |
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626 if (n == sizeof("HTTP/1.1 100 Continue" CRLF CRLF) - 1) { |
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627 return NGX_OK; |
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628 } |
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629 |
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630 /* we assume that such small packet should be send successfully */ |
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631 |
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632 return NGX_ERROR; |
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633 } |