Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 6949:ff0c8e11edbc
Simplified and improved sendfile() code on Linux.
The ngx_linux_sendfile() function is now used for both normal sendfile()
and sendfile in threads. The ngx_linux_sendfile_thread() function was
modified to use the same interface as ngx_linux_sendfile(), and is simply
called from ngx_linux_sendfile() when threads are enabled.
Special return code NGX_DONE is used to indicate that a thread task was
posted and no further actions are needed.
If number of bytes sent is less that what we were sending, we now always
retry sending. This is needed for sendfile() in threads as the number
of bytes we are sending might have been changed since the thread task
was posted. And this is also needed for Linux 4.3+, as sendfile() might
be interrupted at any time and provides no indication if it was interrupted
or not (ticket #1174).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 28 Mar 2017 18:15:39 +0300 |
parents | 2decd6b34306 |
children | 0cdee26605f3 1adc6b0d5eaa |
rev | line source |
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441
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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. |
441
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5 */ |
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6 |
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7 |
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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 |
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13 /* |
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14 * the single part format: |
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15 * |
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16 * "HTTP/1.0 206 Partial Content" CRLF |
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17 * ... header ... |
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18 * "Content-Type: image/jpeg" CRLF |
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19 * "Content-Length: SIZE" CRLF |
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20 * "Content-Range: bytes START-END/SIZE" CRLF |
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21 * CRLF |
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22 * ... data ... |
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23 * |
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24 * |
5538 | 25 * the multipart format: |
160
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26 * |
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27 * "HTTP/1.0 206 Partial Content" CRLF |
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28 * ... header ... |
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29 * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF |
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30 * CRLF |
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31 * CRLF |
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32 * "--0123456789" CRLF |
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33 * "Content-Type: image/jpeg" CRLF |
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34 * "Content-Range: bytes START0-END0/SIZE" CRLF |
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35 * CRLF |
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36 * ... data ... |
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37 * CRLF |
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38 * "--0123456789" CRLF |
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39 * "Content-Type: image/jpeg" CRLF |
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40 * "Content-Range: bytes START1-END1/SIZE" CRLF |
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41 * CRLF |
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42 * ... data ... |
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43 * CRLF |
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44 * "--0123456789--" CRLF |
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45 */ |
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46 |
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47 |
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48 typedef struct { |
963
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49 off_t start; |
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50 off_t end; |
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51 ngx_str_t content_range; |
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52 } ngx_http_range_t; |
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53 |
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54 |
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55 typedef struct { |
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56 off_t offset; |
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57 ngx_str_t boundary_header; |
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58 ngx_array_t ranges; |
99
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59 } ngx_http_range_filter_ctx_t; |
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60 |
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61 |
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62 static ngx_int_t ngx_http_range_parse(ngx_http_request_t *r, |
4062 | 63 ngx_http_range_filter_ctx_t *ctx, ngx_uint_t ranges); |
2118
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64 static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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65 ngx_http_range_filter_ctx_t *ctx); |
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66 static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r, |
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67 ngx_http_range_filter_ctx_t *ctx); |
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68 static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r); |
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69 static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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70 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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71 static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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72 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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73 static ngx_int_t ngx_http_range_multipart_body(ngx_http_request_t *r, |
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74 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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75 |
681 | 76 static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); |
77 static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); | |
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78 |
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79 |
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80 static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { |
509 | 81 NULL, /* preconfiguration */ |
681 | 82 ngx_http_range_header_filter_init, /* postconfiguration */ |
177
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83 |
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84 NULL, /* create main configuration */ |
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85 NULL, /* init main configuration */ |
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86 |
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87 NULL, /* create server configuration */ |
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88 NULL, /* merge server configuration */ |
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89 |
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90 NULL, /* create location configuration */ |
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91 NULL, /* merge location configuration */ |
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92 }; |
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93 |
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94 |
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95 ngx_module_t ngx_http_range_header_filter_module = { |
509 | 96 NGX_MODULE_V1, |
334
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97 &ngx_http_range_header_filter_module_ctx, /* module context */ |
99
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98 NULL, /* module directives */ |
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99 NGX_HTTP_MODULE, /* module type */ |
541 | 100 NULL, /* init master */ |
681 | 101 NULL, /* init module */ |
541 | 102 NULL, /* init process */ |
103 NULL, /* init thread */ | |
104 NULL, /* exit thread */ | |
105 NULL, /* exit process */ | |
106 NULL, /* exit master */ | |
107 NGX_MODULE_V1_PADDING | |
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108 }; |
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109 |
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110 |
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111 static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { |
509 | 112 NULL, /* preconfiguration */ |
681 | 113 ngx_http_range_body_filter_init, /* postconfiguration */ |
334
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114 |
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115 NULL, /* create main configuration */ |
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nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
116 NULL, /* init main configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
117 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
118 NULL, /* create server configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
119 NULL, /* merge server configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
120 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
121 NULL, /* create location configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
122 NULL, /* merge location configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
123 }; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
124 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
125 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
126 ngx_module_t ngx_http_range_body_filter_module = { |
509 | 127 NGX_MODULE_V1, |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
128 &ngx_http_range_body_filter_module_ctx, /* module context */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
129 NULL, /* module directives */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
130 NGX_HTTP_MODULE, /* module type */ |
541 | 131 NULL, /* init master */ |
681 | 132 NULL, /* init module */ |
541 | 133 NULL, /* init process */ |
134 NULL, /* init thread */ | |
135 NULL, /* exit thread */ | |
136 NULL, /* exit process */ | |
137 NULL, /* exit master */ | |
138 NGX_MODULE_V1_PADDING | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 }; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
142 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
143 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
493 | 146 static ngx_int_t |
147 ngx_http_range_header_filter(ngx_http_request_t *r) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
148 { |
4745
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Entity tags: support in If-Range header.
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diff
changeset
|
149 time_t if_range_time; |
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Entity tags: support in If-Range header.
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diff
changeset
|
150 ngx_str_t *if_range, *etag; |
5621
345e4fd4bb64
Range filter: single_range flag in request.
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parents:
5558
diff
changeset
|
151 ngx_uint_t ranges; |
4062 | 152 ngx_http_core_loc_conf_t *clcf; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
153 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
155 if (r->http_version < NGX_HTTP_VERSION_10 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 || r->headers_out.status != NGX_HTTP_OK |
6317 | 157 || (r != r->main && !r->subrequest_ranges) |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
158 || r->headers_out.content_length_n == -1 |
581 | 159 || !r->allow_ranges) |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
160 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
161 return ngx_http_next_header_filter(r); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
162 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
163 |
4062 | 164 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
165 | |
166 if (clcf->max_ranges == 0) { | |
167 return ngx_http_next_header_filter(r); | |
168 } | |
169 | |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
170 if (r->headers_in.range == NULL |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 || r->headers_in.range->value.len < 7 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
172 || ngx_strncasecmp(r->headers_in.range->value.data, |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
173 (u_char *) "bytes=", 6) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
174 != 0) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 { |
1630 | 176 goto next_filter; |
177 } | |
178 | |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
179 if (r->headers_in.if_range) { |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
180 |
4745
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Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
181 if_range = &r->headers_in.if_range->value; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
182 |
4750
149634c98d67
Entity tags: empty etags handling in If-Range.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4745
diff
changeset
|
183 if (if_range->len >= 2 && if_range->data[if_range->len - 1] == '"') { |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
184 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
185 if (r->headers_out.etag == NULL) { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
186 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
187 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
188 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
189 etag = &r->headers_out.etag->value; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
190 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
191 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
192 "http ir:%V etag:%V", if_range, etag); |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
193 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
194 if (if_range->len != etag->len |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
195 || ngx_strncmp(if_range->data, etag->data, etag->len) != 0) |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
196 { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
197 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
198 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
199 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
200 goto parse; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
201 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
202 |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
203 if (r->headers_out.last_modified_time == (time_t) -1) { |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
204 goto next_filter; |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
205 } |
1630 | 206 |
6180
8b6fa4842133
Moved ngx_http_parse_time() to core, renamed accordingly.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6013
diff
changeset
|
207 if_range_time = ngx_parse_http_time(if_range->data, if_range->len); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
208 |
1630 | 209 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
6480 | 210 "http ir:%T lm:%T", |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
211 if_range_time, r->headers_out.last_modified_time); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
212 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
213 if (if_range_time != r->headers_out.last_modified_time) { |
1630 | 214 goto next_filter; |
215 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
218 parse: |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
219 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
220 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
221 if (ctx == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
222 return NGX_ERROR; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
223 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
224 |
6317 | 225 ctx->offset = r->headers_out.content_offset; |
226 | |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
227 ranges = r->single_range ? 1 : clcf->max_ranges; |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
228 |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
229 switch (ngx_http_range_parse(r, ctx, ranges)) { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
230 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
231 case NGX_OK: |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
232 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
233 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
234 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
235 r->headers_out.status_line.len = 0; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
236 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
237 if (ctx->ranges.nelts == 1) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
238 return ngx_http_range_singlepart_header(r, ctx); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
239 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
240 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
241 return ngx_http_range_multipart_header(r, ctx); |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
242 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
243 case NGX_HTTP_RANGE_NOT_SATISFIABLE: |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
244 return ngx_http_range_not_satisfiable(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
245 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
246 case NGX_ERROR: |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
247 return NGX_ERROR; |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
248 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
249 default: /* NGX_DECLINED */ |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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250 break; |
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251 } |
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252 |
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253 next_filter: |
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254 |
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255 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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256 if (r->headers_out.accept_ranges == NULL) { |
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257 return NGX_ERROR; |
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258 } |
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259 |
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260 r->headers_out.accept_ranges->hash = 1; |
3516
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261 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
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262 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
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263 |
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264 return ngx_http_next_header_filter(r); |
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265 } |
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266 |
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267 |
4058
d32a2000b766
ngx_http_range_parse() should be static.
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268 static ngx_int_t |
4062 | 269 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, |
270 ngx_uint_t ranges) | |
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271 { |
6317 | 272 u_char *p; |
273 off_t start, end, size, content_length, cutoff, | |
274 cutlim; | |
275 ngx_uint_t suffix; | |
276 ngx_http_range_t *range; | |
277 ngx_http_range_filter_ctx_t *mctx; | |
278 | |
279 if (r != r->main) { | |
280 mctx = ngx_http_get_module_ctx(r->main, | |
281 ngx_http_range_body_filter_module); | |
282 if (mctx) { | |
283 ctx->ranges = mctx->ranges; | |
284 return NGX_OK; | |
285 } | |
286 } | |
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287 |
6798
2decd6b34306
Range filter: only initialize ctx->ranges in main request.
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288 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
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289 != NGX_OK) |
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290 { |
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291 return NGX_ERROR; |
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292 } |
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293 |
99
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294 p = r->headers_in.range->value.data + 6; |
4035
c2a91088b0c0
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295 size = 0; |
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296 content_length = r->headers_out.content_length_n; |
99
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297 |
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298 cutoff = NGX_MAX_OFF_T_VALUE / 10; |
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299 cutlim = NGX_MAX_OFF_T_VALUE % 10; |
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300 |
99
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301 for ( ;; ) { |
231
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302 start = 0; |
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303 end = 0; |
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304 suffix = 0; |
99
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305 |
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306 while (*p == ' ') { p++; } |
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307 |
231
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308 if (*p != '-') { |
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309 if (*p < '0' || *p > '9') { |
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310 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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|
311 } |
99
a059e1aa65d4
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312 |
231
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313 while (*p >= '0' && *p <= '9') { |
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|
314 if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { |
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|
315 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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316 } |
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|
317 |
231
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318 start = start * 10 + *p++ - '0'; |
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319 } |
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|
320 |
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|
321 while (*p == ' ') { p++; } |
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|
322 |
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|
323 if (*p++ != '-') { |
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324 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
92db0aa1e83f
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195
diff
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|
325 } |
99
a059e1aa65d4
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diff
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|
326 |
231
92db0aa1e83f
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195
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|
327 while (*p == ' ') { p++; } |
99
a059e1aa65d4
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|
328 |
231
92db0aa1e83f
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|
329 if (*p == ',' || *p == '\0') { |
4057
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|
330 end = content_length; |
4055
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|
331 goto found; |
99
a059e1aa65d4
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|
332 } |
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|
333 |
231
92db0aa1e83f
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195
diff
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|
334 } else { |
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|
335 suffix = 1; |
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diff
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|
336 p++; |
99
a059e1aa65d4
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|
337 } |
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|
338 |
a059e1aa65d4
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|
339 if (*p < '0' || *p > '9') { |
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340 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
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|
341 } |
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|
342 |
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|
343 while (*p >= '0' && *p <= '9') { |
6013
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|
344 if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { |
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Overflow detection in ngx_http_range_parse().
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|
345 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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Overflow detection in ngx_http_range_parse().
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|
346 } |
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Overflow detection in ngx_http_range_parse().
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|
347 |
99
a059e1aa65d4
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|
348 end = end * 10 + *p++ - '0'; |
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|
349 } |
a059e1aa65d4
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diff
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|
350 |
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diff
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|
351 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
352 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
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|
353 if (*p != ',' && *p != '\0') { |
2118
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|
354 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
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diff
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|
355 } |
a059e1aa65d4
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diff
changeset
|
356 |
231
92db0aa1e83f
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195
diff
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|
357 if (suffix) { |
4057
3205a6d6c6ec
Ranges processing small optimization.
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|
358 start = content_length - end; |
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Ranges processing small optimization.
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|
359 end = content_length - 1; |
231
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|
360 } |
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|
361 |
4057
3205a6d6c6ec
Ranges processing small optimization.
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|
362 if (end >= content_length) { |
3205a6d6c6ec
Ranges processing small optimization.
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|
363 end = content_length; |
4055
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Ranges processing small optimization.
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4054
diff
changeset
|
364 |
9cce506be97d
Ranges processing small optimization.
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diff
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|
365 } else { |
9cce506be97d
Ranges processing small optimization.
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diff
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|
366 end++; |
9cce506be97d
Ranges processing small optimization.
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|
367 } |
9cce506be97d
Ranges processing small optimization.
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diff
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|
368 |
9cce506be97d
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diff
changeset
|
369 found: |
9cce506be97d
Ranges processing small optimization.
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4054
diff
changeset
|
370 |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
Igor Sysoev <igor@sysoev.ru>
parents:
4059
diff
changeset
|
371 if (start < end) { |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
parents:
4060
diff
changeset
|
372 range = ngx_array_push(&ctx->ranges); |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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parents:
4060
diff
changeset
|
373 if (range == NULL) { |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
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4060
diff
changeset
|
374 return NGX_ERROR; |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
parents:
4060
diff
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|
375 } |
461 | 376 |
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377 range->start = start; |
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378 range->end = end; |
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379 |
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380 size += end - start; |
4062 | 381 |
4063
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382 if (ranges-- == 0) { |
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383 return NGX_DECLINED; |
4062 | 384 } |
4060
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385 } |
4056
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386 |
231
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387 if (*p++ != ',') { |
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388 break; |
231
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389 } |
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390 } |
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391 |
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392 if (ctx->ranges.nelts == 0) { |
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393 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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394 } |
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395 |
4057
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396 if (size > content_length) { |
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397 return NGX_DECLINED; |
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398 } |
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399 |
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400 return NGX_OK; |
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401 } |
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402 |
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403 |
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404 static ngx_int_t |
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405 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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406 ngx_http_range_filter_ctx_t *ctx) |
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407 { |
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408 ngx_table_elt_t *content_range; |
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409 ngx_http_range_t *range; |
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410 |
6317 | 411 if (r != r->main) { |
412 return ngx_http_next_header_filter(r); | |
413 } | |
414 | |
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415 content_range = ngx_list_push(&r->headers_out.headers); |
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416 if (content_range == NULL) { |
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417 return NGX_ERROR; |
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418 } |
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419 |
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420 r->headers_out.content_range = content_range; |
461 | 421 |
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422 content_range->hash = 1; |
3516
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423 ngx_str_set(&content_range->key, "Content-Range"); |
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424 |
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425 content_range->value.data = ngx_pnalloc(r->pool, |
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426 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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427 if (content_range->value.data == NULL) { |
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428 return NGX_ERROR; |
461 | 429 } |
430 | |
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431 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 432 |
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433 range = ctx->ranges.elts; |
461 | 434 |
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435 content_range->value.len = ngx_sprintf(content_range->value.data, |
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436 "bytes %O-%O/%O", |
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437 range->start, range->end - 1, |
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438 r->headers_out.content_length_n) |
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439 - content_range->value.data; |
461 | 440 |
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441 r->headers_out.content_length_n = range->end - range->start; |
6317 | 442 r->headers_out.content_offset = range->start; |
461 | 443 |
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444 if (r->headers_out.content_length) { |
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445 r->headers_out.content_length->hash = 0; |
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446 r->headers_out.content_length = NULL; |
461 | 447 } |
448 | |
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449 return ngx_http_next_header_filter(r); |
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450 } |
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451 |
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452 |
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453 static ngx_int_t |
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454 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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455 ngx_http_range_filter_ctx_t *ctx) |
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456 { |
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457 size_t len; |
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458 ngx_uint_t i; |
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459 ngx_http_range_t *range; |
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460 ngx_atomic_uint_t boundary; |
461 | 461 |
493 | 462 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
463 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 464 + r->headers_out.content_type.len |
461 | 465 + sizeof(CRLF "Content-Range: bytes ") - 1; |
466 | |
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467 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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468 && r->headers_out.charset.len) |
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469 { |
461 | 470 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; |
471 } | |
472 | |
2049 | 473 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 474 if (ctx->boundary_header.data == NULL) { |
461 | 475 return NGX_ERROR; |
476 } | |
477 | |
493 | 478 boundary = ngx_next_temp_number(0); |
461 | 479 |
480 /* | |
481 * The boundary header of the range: | |
482 * CRLF | |
483 * "--0123456789" CRLF | |
484 * "Content-Type: image/jpeg" CRLF | |
485 * "Content-Range: bytes " | |
486 */ | |
487 | |
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488 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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489 && r->headers_out.charset.len) |
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490 { |
461 | 491 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 492 CRLF "--%0muA" CRLF |
461 | 493 "Content-Type: %V; charset=%V" CRLF |
494 "Content-Range: bytes ", | |
495 boundary, | |
509 | 496 &r->headers_out.content_type, |
461 | 497 &r->headers_out.charset) |
498 - ctx->boundary_header.data; | |
499 | |
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500 } else if (r->headers_out.content_type.len) { |
461 | 501 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 502 CRLF "--%0muA" CRLF |
461 | 503 "Content-Type: %V" CRLF |
504 "Content-Range: bytes ", | |
505 boundary, | |
509 | 506 &r->headers_out.content_type) |
461 | 507 - ctx->boundary_header.data; |
2119
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508 |
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509 } else { |
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510 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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511 CRLF "--%0muA" CRLF |
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512 "Content-Range: bytes ", |
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513 boundary) |
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514 - ctx->boundary_header.data; |
461 | 515 } |
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516 |
509 | 517 r->headers_out.content_type.data = |
2049 | 518 ngx_pnalloc(r->pool, |
519 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
520 + NGX_ATOMIC_T_LEN); | |
165
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521 |
509 | 522 if (r->headers_out.content_type.data == NULL) { |
461 | 523 return NGX_ERROR; |
524 } | |
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525 |
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526 r->headers_out.content_type_lowcase = NULL; |
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527 |
461 | 528 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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529 |
509 | 530 r->headers_out.content_type.len = |
531 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 532 "multipart/byteranges; boundary=%0muA", |
461 | 533 boundary) |
509 | 534 - r->headers_out.content_type.data; |
160
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535 |
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536 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 537 |
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538 r->headers_out.charset.len = 0; |
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539 |
461 | 540 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 541 |
542 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
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543 |
963
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544 range = ctx->ranges.elts; |
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545 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 546 |
461 | 547 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 548 |
461 | 549 range[i].content_range.data = |
2049 | 550 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
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551 |
461 | 552 if (range[i].content_range.data == NULL) { |
553 return NGX_ERROR; | |
554 } | |
99
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|
555 |
461 | 556 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
557 "%O-%O/%O" CRLF CRLF, | |
558 range[i].start, range[i].end - 1, | |
559 r->headers_out.content_length_n) | |
560 - range[i].content_range.data; | |
160
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nginx-0.0.1-2003-10-27-11:53:49 import
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parents:
155
diff
changeset
|
561 |
461 | 562 len += ctx->boundary_header.len + range[i].content_range.len |
563 + (size_t) (range[i].end - range[i].start); | |
564 } | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
565 |
461 | 566 r->headers_out.content_length_n = len; |
960 | 567 |
568 if (r->headers_out.content_length) { | |
569 r->headers_out.content_length->hash = 0; | |
570 r->headers_out.content_length = NULL; | |
571 } | |
99
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|
572 |
155
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parents:
153
diff
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|
573 return ngx_http_next_header_filter(r); |
2118
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diff
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|
574 } |
1630 | 575 |
576 | |
2118
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|
577 static ngx_int_t |
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578 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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|
579 { |
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580 ngx_table_elt_t *content_range; |
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|
581 |
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|
582 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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|
583 |
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|
584 content_range = ngx_list_push(&r->headers_out.headers); |
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585 if (content_range == NULL) { |
1630 | 586 return NGX_ERROR; |
587 } | |
588 | |
2118
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589 r->headers_out.content_range = content_range; |
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590 |
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|
591 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3331
diff
changeset
|
592 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 593 |
2118
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594 content_range->value.data = ngx_pnalloc(r->pool, |
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|
595 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
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596 if (content_range->value.data == NULL) { |
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597 return NGX_ERROR; |
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|
598 } |
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|
599 |
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|
600 content_range->value.len = ngx_sprintf(content_range->value.data, |
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changeset
|
601 "bytes */%O", |
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diff
changeset
|
602 r->headers_out.content_length_n) |
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
603 - content_range->value.data; |
c1f589732d8c
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diff
changeset
|
604 |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
605 ngx_http_clear_content_length(r); |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
606 |
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diff
changeset
|
607 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
608 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
609 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
610 |
493 | 611 static ngx_int_t |
612 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
613 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
614 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
615 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
616 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
617 return ngx_http_next_body_filter(r, in); |
78e70dae89f0
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parents:
962
diff
changeset
|
618 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
619 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
620 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
621 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
622 if (ctx == NULL) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
623 return ngx_http_next_body_filter(r, in); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
624 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
625 |
2121
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support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
626 if (ctx->ranges.nelts == 1) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
627 return ngx_http_range_singlepart_body(r, ctx, in); |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
628 } |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
629 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
630 /* |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
631 * multipart ranges are supported only if whole body is in a single buffer |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
632 */ |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
633 |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
634 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
635 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
636 } |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
637 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
638 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
639 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
640 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
641 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
642 return ngx_http_range_multipart_body(r, ctx, in); |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
643 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
644 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
645 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
646 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
647 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
648 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
649 { |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
650 off_t start, last; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
651 ngx_buf_t *buf; |
c1f589732d8c
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2049
diff
changeset
|
652 ngx_uint_t i; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
653 ngx_http_range_t *range; |
c1f589732d8c
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diff
changeset
|
654 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
655 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
656 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
657 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
658 |
2118
c1f589732d8c
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parents:
2049
diff
changeset
|
659 buf = in->buf; |
960 | 660 |
661 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
662 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
663 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
664 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
665 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
666 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
667 if (start > range[i].start || last < range[i].end) { |
6474 | 668 goto overlapped; |
960 | 669 } |
670 } | |
671 } | |
672 | |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
673 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
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diff
changeset
|
674 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
675 return NGX_OK; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
676 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
677 overlapped: |
960 | 678 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
679 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
680 "range in overlapped buffers"); |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
681 |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
682 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
683 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
684 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
685 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
686 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
687 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
688 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
689 { |
2121
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
690 off_t start, last; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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2049
diff
changeset
|
691 ngx_buf_t *buf; |
2121
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support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
692 ngx_chain_t *out, *cl, **ll; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
693 ngx_http_range_t *range; |
960 | 694 |
2121
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|
695 out = NULL; |
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696 ll = &out; |
2118
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697 range = ctx->ranges.elts; |
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|
698 |
2121
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|
699 for (cl = in; cl; cl = cl->next) { |
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|
700 |
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|
701 buf = cl->buf; |
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|
702 |
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|
703 start = ctx->offset; |
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|
704 last = ctx->offset + ngx_buf_size(buf); |
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|
705 |
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|
706 ctx->offset = last; |
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|
707 |
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|
708 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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|
709 "http range body buf: %O-%O", start, last); |
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|
710 |
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|
711 if (ngx_buf_special(buf)) { |
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712 *ll = cl; |
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parents:
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713 ll = &cl->next; |
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|
714 continue; |
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|
715 } |
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|
716 |
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|
717 if (range->end <= start || range->start >= last) { |
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|
718 |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
719 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
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|
720 "http range body skip"); |
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parents:
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diff
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|
721 |
2269 | 722 if (buf->in_file) { |
723 buf->file_pos = buf->file_last; | |
724 } | |
725 | |
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|
726 buf->pos = buf->last; |
2269 | 727 buf->sync = 1; |
728 | |
2121
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729 continue; |
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|
730 } |
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|
731 |
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|
732 if (range->start > start) { |
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|
733 |
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|
734 if (buf->in_file) { |
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|
735 buf->file_pos += range->start - start; |
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|
736 } |
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|
737 |
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|
738 if (ngx_buf_in_memory(buf)) { |
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|
739 buf->pos += (size_t) (range->start - start); |
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|
740 } |
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|
741 } |
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|
742 |
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743 if (range->end <= last) { |
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|
744 |
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|
745 if (buf->in_file) { |
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changeset
|
746 buf->file_last -= last - range->end; |
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|
747 } |
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|
748 |
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changeset
|
749 if (ngx_buf_in_memory(buf)) { |
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|
750 buf->last -= (size_t) (last - range->end); |
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|
751 } |
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diff
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|
752 |
6722
6136a51f9c21
Do not set last_buf flag in subrequests.
Roman Arutyunyan <arut@nginx.com>
parents:
6480
diff
changeset
|
753 buf->last_buf = (r == r->main) ? 1 : 0; |
6136a51f9c21
Do not set last_buf flag in subrequests.
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parents:
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diff
changeset
|
754 buf->last_in_chain = 1; |
2121
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|
755 *ll = cl; |
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|
756 cl->next = NULL; |
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|
757 |
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|
758 break; |
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|
759 } |
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|
760 |
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|
761 *ll = cl; |
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|
762 ll = &cl->next; |
960 | 763 } |
764 | |
2121
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|
765 if (out == NULL) { |
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changeset
|
766 return NGX_OK; |
2118
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|
767 } |
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|
768 |
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2119
diff
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|
769 return ngx_http_next_body_filter(r, out); |
2118
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|
770 } |
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diff
changeset
|
771 |
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changeset
|
772 |
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|
773 static ngx_int_t |
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changeset
|
774 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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changeset
|
775 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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|
776 { |
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changeset
|
777 ngx_buf_t *b, *buf; |
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changeset
|
778 ngx_uint_t i; |
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changeset
|
779 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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changeset
|
780 ngx_http_range_t *range; |
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|
781 |
960 | 782 ll = &out; |
2118
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|
783 buf = in->buf; |
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changeset
|
784 range = ctx->ranges.elts; |
160
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155
diff
changeset
|
785 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
786 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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parents:
diff
changeset
|
787 |
960 | 788 /* |
789 * The boundary header of the range: | |
790 * CRLF | |
791 * "--0123456789" CRLF | |
792 * "Content-Type: image/jpeg" CRLF | |
793 * "Content-Range: bytes " | |
794 */ | |
795 | |
796 b = ngx_calloc_buf(r->pool); | |
797 if (b == NULL) { | |
798 return NGX_ERROR; | |
99
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parents:
diff
changeset
|
799 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
800 |
960 | 801 b->memory = 1; |
802 b->pos = ctx->boundary_header.data; | |
803 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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155
diff
changeset
|
804 |
960 | 805 hcl = ngx_alloc_chain_link(r->pool); |
806 if (hcl == NULL) { | |
807 return NGX_ERROR; | |
808 } | |
461 | 809 |
960 | 810 hcl->buf = b; |
99
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parents:
diff
changeset
|
811 |
461 | 812 |
960 | 813 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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diff
changeset
|
814 |
501 | 815 b = ngx_calloc_buf(r->pool); |
816 if (b == NULL) { | |
461 | 817 return NGX_ERROR; |
818 } | |
819 | |
343
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Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
820 b->temporary = 1; |
960 | 821 b->pos = range[i].content_range.data; |
822 b->last = range[i].content_range.data + range[i].content_range.len; | |
823 | |
824 rcl = ngx_alloc_chain_link(r->pool); | |
825 if (rcl == NULL) { | |
826 return NGX_ERROR; | |
827 } | |
828 | |
829 rcl->buf = b; | |
830 | |
831 | |
832 /* the range data */ | |
461 | 833 |
960 | 834 b = ngx_calloc_buf(r->pool); |
835 if (b == NULL) { | |
836 return NGX_ERROR; | |
837 } | |
838 | |
962
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961
diff
changeset
|
839 b->in_file = buf->in_file; |
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diff
changeset
|
840 b->temporary = buf->temporary; |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
841 b->memory = buf->memory; |
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diff
changeset
|
842 b->mmap = buf->mmap; |
960 | 843 b->file = buf->file; |
844 | |
962
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
845 if (buf->in_file) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
846 b->file_pos = buf->file_pos + range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
847 b->file_last = buf->file_pos + range[i].end; |
962
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diff
changeset
|
848 } |
69754fb59ba1
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961
diff
changeset
|
849 |
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961
diff
changeset
|
850 if (ngx_buf_in_memory(buf)) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
851 b->pos = buf->pos + (size_t) range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
852 b->last = buf->pos + (size_t) range[i].end; |
962
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parents:
961
diff
changeset
|
853 } |
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
854 |
960 | 855 dcl = ngx_alloc_chain_link(r->pool); |
856 if (dcl == NULL) { | |
461 | 857 return NGX_ERROR; |
858 } | |
859 | |
960 | 860 dcl->buf = b; |
461 | 861 |
155
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153
diff
changeset
|
862 *ll = hcl; |
960 | 863 hcl->next = rcl; |
864 rcl->next = dcl; | |
865 ll = &dcl->next; | |
866 } | |
99
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parents:
diff
changeset
|
867 |
960 | 868 /* the last boundary CRLF "--0123456789--" CRLF */ |
869 | |
870 b = ngx_calloc_buf(r->pool); | |
871 if (b == NULL) { | |
872 return NGX_ERROR; | |
873 } | |
874 | |
875 b->temporary = 1; | |
876 b->last_buf = 1; | |
877 | |
2049 | 878 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
879 + sizeof("--" CRLF) - 1); | |
960 | 880 if (b->pos == NULL) { |
881 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
882 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
883 |
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
884 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
885 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 886 *b->last++ = '-'; *b->last++ = '-'; |
887 *b->last++ = CR; *b->last++ = LF; | |
888 | |
889 hcl = ngx_alloc_chain_link(r->pool); | |
890 if (hcl == NULL) { | |
891 return NGX_ERROR; | |
892 } | |
893 | |
894 hcl->buf = b; | |
895 hcl->next = NULL; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
896 |
960 | 897 *ll = hcl; |
898 | |
899 return ngx_http_next_body_filter(r, out); | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
900 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
901 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
902 |
493 | 903 static ngx_int_t |
681 | 904 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
905 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
906 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
907 ngx_http_top_header_filter = ngx_http_range_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
908 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
909 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
910 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
911 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
912 |
493 | 913 static ngx_int_t |
681 | 914 ngx_http_range_body_filter_init(ngx_conf_t *cf) |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
915 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
916 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
917 ngx_http_top_body_filter = ngx_http_range_body_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
918 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
919 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
920 } |