Mercurial > hg > nginx
annotate src/http/ngx_http_request_body.c @ 479:c52408583801 release-0.1.14
nginx-0.1.14-RELEASE import
*) Feature: the autoconfiguration directives:
--http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and
--http-fastcgi-temp-path=PATH
*) Change: the directory name for the temporary files with the client
request body is specified by directive client_body_temp_path, by
default it is <prefix>/client_body_temp.
*) Feature: the ngx_http_fastcgi_module and the directives:
fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params,
fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout,
fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers,
fastcgi_busy_buffers_size, fastcgi_temp_path,
fastcgi_max_temp_file_size, fastcgi_temp_file_write_size,
fastcgi_next_upstream, and fastcgi_x_powered_by.
*) Bugfix: the "[alert] zero size buf" error; the bug had appeared in
0.1.3.
*) Change: the URI must be specified after the host name in the
proxy_pass directive.
*) Change: the %3F symbol in the URI was considered as the argument
string start.
*) Feature: the unix domain sockets support in the
ngx_http_proxy_module.
*) Feature: the ssl_engine and ssl_ciphers directives.
Thanks to Sergey Skvortsov for SSL-accelerator.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 18 Jan 2005 13:03:58 +0000 |
parents | c3c2848fc081 |
children | d4ea69372b94 |
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, |
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 |
479 | 24 ngx_int_t ngx_http_read_client_request_body(ngx_http_request_t *r, |
25 ngx_http_client_body_handler_pt post_handler) | |
26 | |
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27 { |
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28 ssize_t size; |
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29 ngx_buf_t *b; |
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30 ngx_chain_t *cl; |
479 | 31 ngx_http_request_body_t *rb; |
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32 ngx_http_core_loc_conf_t *clcf; |
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33 |
479 | 34 if (!(rb = ngx_pcalloc(r->pool, sizeof(ngx_http_request_body_t)))) { |
35 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
36 } | |
37 | |
38 r->request_body = rb; | |
39 | |
40 if (r->headers_in.content_length_n <= 0) { | |
41 post_handler(r); | |
42 return NGX_OK; | |
43 } | |
44 | |
45 rb->post_handler = post_handler; | |
46 | |
47 /* | |
48 * set by ngx_pcalloc(): | |
49 * | |
50 * rb->bufs = NULL; | |
51 * rb->buf = NULL; | |
52 * rb->rest = 0; | |
53 */ | |
54 | |
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55 size = r->header_in->last - r->header_in->pos; |
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56 |
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57 if (size) { |
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58 |
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59 /* there is the pre-read part of the request body */ |
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60 |
479 | 61 if (!(b = ngx_calloc_buf(r->pool))) { |
62 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
63 } | |
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64 |
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65 b->temporary = 1; |
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66 b->start = b->pos = r->header_in->pos; |
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67 b->end = b->last = r->header_in->last; |
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68 |
479 | 69 if (!(rb->bufs = ngx_alloc_chain_link(r->pool))) { |
70 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
71 } | |
72 | |
73 rb->bufs->buf = b; | |
74 rb->bufs->next = NULL; | |
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75 |
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76 if (size >= r->headers_in.content_length_n) { |
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77 |
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78 /* the whole request body was pre-read */ |
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79 |
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80 r->header_in->pos += r->headers_in.content_length_n; |
475 | 81 r->request_length += r->headers_in.content_length_n; |
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82 |
479 | 83 post_handler(r); |
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84 |
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85 return NGX_OK; |
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86 } |
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87 |
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88 r->header_in->pos = r->header_in->last; |
475 | 89 r->request_length += size; |
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90 } |
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91 |
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92 |
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93 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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94 |
479 | 95 rb->rest = r->headers_in.content_length_n - size; |
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96 |
479 | 97 if (rb->rest < clcf->client_body_buffer_size |
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98 + (clcf->client_body_buffer_size >> 2)) |
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99 { |
479 | 100 size = rb->rest; |
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101 |
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102 } else { |
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103 size = clcf->client_body_buffer_size; |
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104 } |
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105 |
479 | 106 if (!(rb->buf = ngx_create_temp_buf(r->pool, size))) { |
107 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
108 } | |
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109 |
479 | 110 if (!(cl = ngx_alloc_chain_link(r->pool))) { |
111 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
112 } | |
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113 |
479 | 114 cl->buf = rb->buf; |
115 cl->next = NULL; | |
116 | |
117 if (rb->bufs) { | |
118 rb->bufs->next = cl; | |
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119 |
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120 } else { |
479 | 121 rb->bufs = cl; |
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122 } |
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123 |
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124 r->connection->read->event_handler = |
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125 ngx_http_read_client_request_body_handler; |
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126 |
479 | 127 return ngx_http_do_read_client_request_body(r, r->connection); |
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128 } |
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129 |
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130 |
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131 static void ngx_http_read_client_request_body_handler(ngx_event_t *rev) |
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132 { |
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133 ngx_int_t rc; |
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134 ngx_connection_t *c; |
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135 ngx_http_request_t *r; |
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136 |
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137 c = rev->data; |
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138 r = c->data; |
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139 |
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140 if (rev->timedout) { |
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141 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT); |
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142 return; |
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143 } |
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144 |
479 | 145 rc = ngx_http_do_read_client_request_body(r, c); |
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146 |
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147 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { |
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148 ngx_http_finalize_request(r, rc); |
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149 } |
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150 } |
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parents:
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151 |
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152 |
479 | 153 static ngx_int_t ngx_http_do_read_client_request_body(ngx_http_request_t *r, |
154 ngx_connection_t *c) | |
293
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parents:
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155 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
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parents:
171
diff
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156 size_t size; |
87e73f067470
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parents:
171
diff
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157 ssize_t n; |
343
6bdf858bff8c
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158 ngx_buf_t *b; |
479 | 159 ngx_temp_file_t *tf; |
160 ngx_http_request_body_t *rb; | |
162
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parents:
160
diff
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161 ngx_http_core_loc_conf_t *clcf; |
82
fccdb921e8b8
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parents:
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162 |
479 | 163 rb = r->request_body; |
82
fccdb921e8b8
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parents:
diff
changeset
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164 |
292
a472bfb778b3
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165 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
a472bfb778b3
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parents:
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166 "http read client request body"); |
a472bfb778b3
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parents:
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167 |
a472bfb778b3
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168 for ( ;; ) { |
479 | 169 if (rb->buf->last == rb->buf->end) { |
170 | |
171 if (rb->temp_file == NULL) { | |
172 if (!(tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)))) { | |
173 return NGX_ERROR; | |
174 } | |
175 | |
176 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
177 | |
178 tf->file.fd = NGX_INVALID_FILE; | |
179 tf->file.log = r->connection->log; | |
180 tf->path = clcf->client_body_temp_path; | |
181 tf->pool = r->pool; | |
182 tf->warn = "a client request body is buffered " | |
183 "to a temporary file"; | |
184 | |
185 rb->temp_file = tf; | |
186 | |
187 } | |
188 | |
189 n = ngx_write_chain_to_temp_file(rb->temp_file, | |
190 rb->bufs->next ? rb->bufs->next: | |
191 rb->bufs); | |
292
a472bfb778b3
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parents:
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diff
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192 |
a472bfb778b3
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parents:
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193 /* TODO: n == 0 or not complete and level event */ |
a472bfb778b3
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parents:
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diff
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194 |
a472bfb778b3
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parents:
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195 if (n == NGX_ERROR) { |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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196 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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diff
changeset
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197 } |
a472bfb778b3
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parents:
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198 |
479 | 199 rb->temp_file->offset += n; |
292
a472bfb778b3
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parents:
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200 |
479 | 201 rb->buf->pos = rb->buf->start; |
202 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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|
203 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
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parents:
diff
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|
204 |
479 | 205 size = rb->buf->end - rb->buf->last; |
292
a472bfb778b3
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parents:
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|
206 |
479 | 207 if (size > rb->rest) { |
208 size = rb->rest; | |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
209 } |
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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|
210 |
479 | 211 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
|
212 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
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parents:
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diff
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|
213 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
461 | 214 "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
|
215 |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
216 if (n == NGX_AGAIN) { |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
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|
217 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
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parents:
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diff
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218 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
|
219 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
220 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
|
221 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
|
222 } |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
223 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
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224 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
|
225 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
226 |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
227 if (n == 0) { |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
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parents:
290
diff
changeset
|
228 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
|
229 "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
|
230 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
231 |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
232 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
|
233 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
|
234 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
|
235 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
236 |
479 | 237 rb->buf->last += n; |
238 rb->rest -= n; | |
475 | 239 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
|
240 |
479 | 241 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
|
242 break; |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
243 } |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
293
diff
changeset
|
244 |
479 | 245 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
|
246 break; |
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
247 } |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
248 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
250 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, |
479 | 251 "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
|
252 |
479 | 253 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
|
254 return NGX_AGAIN; |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 |
479 | 257 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
|
258 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
259 /* save the last part */ |
479 | 260 |
261 n = ngx_write_chain_to_temp_file(rb->temp_file, | |
262 rb->bufs->next ? rb->bufs->next: | |
263 rb->bufs); | |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
264 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
265 /* 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
|
266 |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
267 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
|
268 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
|
269 } |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
270 |
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
|
271 if (!(b = ngx_calloc_buf(r->pool))) { |
293
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
272 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
|
273 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
274 |
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
|
275 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
|
276 b->file_pos = 0; |
479 | 277 b->file_last = rb->temp_file->file.offset; |
278 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
|
279 |
479 | 280 if (rb->bufs->next) { |
281 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
|
282 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
83
diff
changeset
|
283 } else { |
479 | 284 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
|
285 } |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
286 } |
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 |
479 | 288 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
|
289 |
ec3c049681fd
nginx-0.0.3-2004-03-19-08:25:53 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
290 return NGX_OK; |
82
fccdb921e8b8
nginx-0.0.1-2003-04-25-18:43:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 } |