Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 5510:3ff29c30effb
SPDY: elimination of r->blocked counter usage for queuing frames.
It was used to prevent destroying of request object when there are unsent
frames in queue for the stream. Since it was incremented for each frame
and is only 8 bits long, so it was not very hard to overflow the counter.
Now the stream->queued counter is checked instead.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Tue, 14 Jan 2014 16:24:45 +0400 |
parents | 149634c98d67 |
children | a387ce36744a |
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 |
160
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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 * |
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25 * the mutlipart format: |
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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; |
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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, |
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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 */ |
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114 |
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115 NULL, /* create main configuration */ |
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116 NULL, /* init main configuration */ |
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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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
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
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 { |
4745
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Entity tags: support in If-Range header.
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4741
diff
changeset
|
149 time_t if_range_time; |
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Entity tags: support in If-Range header.
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parents:
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diff
changeset
|
150 ngx_str_t *if_range, *etag; |
4062 | 151 ngx_http_core_loc_conf_t *clcf; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 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
|
153 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
154 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
|
155 || r->headers_out.status != NGX_HTTP_OK |
3331
e0bc43a52382
backout r3325: postpone filter is a body only filter
Igor Sysoev <igor@sysoev.ru>
parents:
3324
diff
changeset
|
156 || r != r->main |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
157 || r->headers_out.content_length_n == -1 |
581 | 158 || !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
|
159 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
160 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
|
161 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
162 |
4062 | 163 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
164 | |
165 if (clcf->max_ranges == 0) { | |
166 return ngx_http_next_header_filter(r); | |
167 } | |
168 | |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
169 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
|
170 || r->headers_in.range->value.len < 7 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
171 || ngx_strncasecmp(r->headers_in.range->value.data, |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
172 (u_char *) "bytes=", 6) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
173 != 0) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 { |
1630 | 175 goto next_filter; |
176 } | |
177 | |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
178 if (r->headers_in.if_range) { |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
179 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
180 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
|
181 |
4750
149634c98d67
Entity tags: empty etags handling in If-Range.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4745
diff
changeset
|
182 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
|
183 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
184 if (r->headers_out.etag == NULL) { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
185 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
186 } |
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 etag = &r->headers_out.etag->value; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
189 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
190 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
|
191 "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
|
192 |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
193 if (if_range->len != etag->len |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
194 || 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
|
195 { |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
196 goto next_filter; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
197 } |
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 goto parse; |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
200 } |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
201 |
4741
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
202 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
|
203 goto next_filter; |
5ea8c710c532
Fixed If-Range with unknown last modified time.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4467
diff
changeset
|
204 } |
1630 | 205 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
206 if_range_time = ngx_http_parse_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
|
207 |
1630 | 208 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
209 "http ir:%d lm:%d", | |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
210 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
|
211 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
212 if (if_range_time != r->headers_out.last_modified_time) { |
1630 | 213 goto next_filter; |
214 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
217 parse: |
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
218 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
219 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
220 if (ctx == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
221 return NGX_ERROR; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
222 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
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 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2269
diff
changeset
|
225 != NGX_OK) |
461 | 226 { |
227 return NGX_ERROR; | |
228 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
4062 | 230 switch (ngx_http_range_parse(r, ctx, clcf->max_ranges)) { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
231 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
232 case NGX_OK: |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
233 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
234 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
235 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
236 r->headers_out.status_line.len = 0; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
237 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
238 if (ctx->ranges.nelts == 1) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
239 return ngx_http_range_singlepart_header(r, ctx); |
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 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
242 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
|
243 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
244 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
|
245 return ngx_http_range_not_satisfiable(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
246 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
247 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
|
248 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
|
249 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
250 default: /* NGX_DECLINED */ |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
251 break; |
2118
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split ngx_http_range_filter_module
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252 } |
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253 |
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254 next_filter: |
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255 |
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256 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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257 if (r->headers_out.accept_ranges == NULL) { |
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258 return NGX_ERROR; |
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259 } |
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260 |
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261 r->headers_out.accept_ranges->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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|
262 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
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263 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
2118
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264 |
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265 return ngx_http_next_header_filter(r); |
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266 } |
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267 |
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268 |
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d32a2000b766
ngx_http_range_parse() should be static.
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269 static ngx_int_t |
4062 | 270 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, |
271 ngx_uint_t ranges) | |
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272 { |
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273 u_char *p; |
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274 off_t start, end, size, content_length; |
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275 ngx_uint_t suffix; |
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276 ngx_http_range_t *range; |
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277 |
99
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278 p = r->headers_in.range->value.data + 6; |
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279 size = 0; |
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280 content_length = r->headers_out.content_length_n; |
99
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281 |
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282 for ( ;; ) { |
231
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283 start = 0; |
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284 end = 0; |
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285 suffix = 0; |
99
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286 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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287 while (*p == ' ') { p++; } |
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288 |
231
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nginx-0.0.1-2004-01-16-21:29:15 import
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289 if (*p != '-') { |
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290 if (*p < '0' || *p > '9') { |
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291 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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|
292 } |
99
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|
293 |
231
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294 while (*p >= '0' && *p <= '9') { |
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295 start = start * 10 + *p++ - '0'; |
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|
296 } |
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|
297 |
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298 while (*p == ' ') { p++; } |
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|
299 |
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300 if (*p++ != '-') { |
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301 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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nginx-0.0.1-2004-01-16-21:29:15 import
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|
302 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
303 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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|
304 while (*p == ' ') { p++; } |
99
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|
305 |
231
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|
306 if (*p == ',' || *p == '\0') { |
4057
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|
307 end = content_length; |
4055
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|
308 goto found; |
99
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diff
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|
309 } |
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|
310 |
231
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|
311 } else { |
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|
312 suffix = 1; |
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diff
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|
313 p++; |
99
a059e1aa65d4
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|
314 } |
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|
315 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
316 if (*p < '0' || *p > '9') { |
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|
317 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
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diff
changeset
|
318 } |
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|
319 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
320 while (*p >= '0' && *p <= '9') { |
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nginx-0.0.1-2003-06-02-19:24:30 import
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|
321 end = end * 10 + *p++ - '0'; |
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|
322 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
323 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
324 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
325 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
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|
326 if (*p != ',' && *p != '\0') { |
2118
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|
327 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
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diff
changeset
|
328 } |
a059e1aa65d4
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diff
changeset
|
329 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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195
diff
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|
330 if (suffix) { |
4057
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Ranges processing small optimization.
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|
331 start = content_length - end; |
3205a6d6c6ec
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|
332 end = content_length - 1; |
231
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195
diff
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|
333 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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195
diff
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|
334 |
4057
3205a6d6c6ec
Ranges processing small optimization.
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4056
diff
changeset
|
335 if (end >= content_length) { |
3205a6d6c6ec
Ranges processing small optimization.
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diff
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|
336 end = content_length; |
4055
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Ranges processing small optimization.
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4054
diff
changeset
|
337 |
9cce506be97d
Ranges processing small optimization.
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diff
changeset
|
338 } else { |
9cce506be97d
Ranges processing small optimization.
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4054
diff
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|
339 end++; |
9cce506be97d
Ranges processing small optimization.
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parents:
4054
diff
changeset
|
340 } |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
341 |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
342 found: |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
343 |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
Igor Sysoev <igor@sysoev.ru>
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4059
diff
changeset
|
344 if (start < end) { |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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4060
diff
changeset
|
345 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
|
346 if (range == NULL) { |
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Style fix: removal of tabs introduced in the previous commit.
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diff
changeset
|
347 return NGX_ERROR; |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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parents:
4060
diff
changeset
|
348 } |
461 | 349 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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4060
diff
changeset
|
350 range->start = start; |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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diff
changeset
|
351 range->end = end; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
352 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
parents:
4060
diff
changeset
|
353 size += end - start; |
4062 | 354 |
4063
8d70904b6c48
Now if client requests more ranges than "max_ranges" permits,
Igor Sysoev <igor@sysoev.ru>
parents:
4062
diff
changeset
|
355 if (ranges-- == 0) { |
8d70904b6c48
Now if client requests more ranges than "max_ranges" permits,
Igor Sysoev <igor@sysoev.ru>
parents:
4062
diff
changeset
|
356 return NGX_DECLINED; |
4062 | 357 } |
4060
45de8d258085
*) fix of r4060: start value should be tested after the "found" label;
Igor Sysoev <igor@sysoev.ru>
parents:
4059
diff
changeset
|
358 } |
4056
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
359 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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195
diff
changeset
|
360 if (*p++ != ',') { |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
361 break; |
231
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195
diff
changeset
|
362 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
363 } |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
364 |
4056
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
365 if (ctx->ranges.nelts == 0) { |
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
366 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
367 } |
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368 |
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369 if (size > content_length) { |
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370 return NGX_DECLINED; |
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371 } |
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372 |
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373 return NGX_OK; |
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374 } |
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375 |
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376 |
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377 static ngx_int_t |
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378 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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379 ngx_http_range_filter_ctx_t *ctx) |
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380 { |
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381 ngx_table_elt_t *content_range; |
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382 ngx_http_range_t *range; |
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383 |
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384 content_range = ngx_list_push(&r->headers_out.headers); |
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385 if (content_range == NULL) { |
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386 return NGX_ERROR; |
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387 } |
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388 |
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389 r->headers_out.content_range = content_range; |
461 | 390 |
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391 content_range->hash = 1; |
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392 ngx_str_set(&content_range->key, "Content-Range"); |
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393 |
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394 content_range->value.data = ngx_pnalloc(r->pool, |
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395 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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396 if (content_range->value.data == NULL) { |
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397 return NGX_ERROR; |
461 | 398 } |
399 | |
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400 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 401 |
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402 range = ctx->ranges.elts; |
461 | 403 |
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404 content_range->value.len = ngx_sprintf(content_range->value.data, |
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405 "bytes %O-%O/%O", |
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406 range->start, range->end - 1, |
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407 r->headers_out.content_length_n) |
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408 - content_range->value.data; |
461 | 409 |
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410 r->headers_out.content_length_n = range->end - range->start; |
461 | 411 |
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412 if (r->headers_out.content_length) { |
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413 r->headers_out.content_length->hash = 0; |
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414 r->headers_out.content_length = NULL; |
461 | 415 } |
416 | |
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417 return ngx_http_next_header_filter(r); |
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418 } |
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419 |
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420 |
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421 static ngx_int_t |
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422 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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423 ngx_http_range_filter_ctx_t *ctx) |
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424 { |
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425 size_t len; |
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426 ngx_uint_t i; |
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427 ngx_http_range_t *range; |
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428 ngx_atomic_uint_t boundary; |
461 | 429 |
493 | 430 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
431 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 432 + r->headers_out.content_type.len |
461 | 433 + sizeof(CRLF "Content-Range: bytes ") - 1; |
434 | |
435 if (r->headers_out.charset.len) { | |
436 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
437 } | |
438 | |
2049 | 439 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 440 if (ctx->boundary_header.data == NULL) { |
461 | 441 return NGX_ERROR; |
442 } | |
443 | |
493 | 444 boundary = ngx_next_temp_number(0); |
461 | 445 |
446 /* | |
447 * The boundary header of the range: | |
448 * CRLF | |
449 * "--0123456789" CRLF | |
450 * "Content-Type: image/jpeg" CRLF | |
451 * "Content-Range: bytes " | |
452 */ | |
453 | |
454 if (r->headers_out.charset.len) { | |
455 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
493 | 456 CRLF "--%0muA" CRLF |
461 | 457 "Content-Type: %V; charset=%V" CRLF |
458 "Content-Range: bytes ", | |
459 boundary, | |
509 | 460 &r->headers_out.content_type, |
461 | 461 &r->headers_out.charset) |
462 - ctx->boundary_header.data; | |
463 | |
464 r->headers_out.charset.len = 0; | |
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465 |
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466 } else if (r->headers_out.content_type.len) { |
461 | 467 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 468 CRLF "--%0muA" CRLF |
461 | 469 "Content-Type: %V" CRLF |
470 "Content-Range: bytes ", | |
471 boundary, | |
509 | 472 &r->headers_out.content_type) |
461 | 473 - ctx->boundary_header.data; |
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474 |
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475 } else { |
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476 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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477 CRLF "--%0muA" CRLF |
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478 "Content-Range: bytes ", |
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479 boundary) |
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480 - ctx->boundary_header.data; |
461 | 481 } |
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482 |
509 | 483 r->headers_out.content_type.data = |
2049 | 484 ngx_pnalloc(r->pool, |
485 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
486 + NGX_ATOMIC_T_LEN); | |
165
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487 |
509 | 488 if (r->headers_out.content_type.data == NULL) { |
461 | 489 return NGX_ERROR; |
490 } | |
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491 |
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492 r->headers_out.content_type_lowcase = NULL; |
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493 |
461 | 494 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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495 |
509 | 496 r->headers_out.content_type.len = |
497 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 498 "multipart/byteranges; boundary=%0muA", |
461 | 499 boundary) |
509 | 500 - r->headers_out.content_type.data; |
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501 |
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502 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 503 |
461 | 504 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 505 |
506 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
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507 |
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508 range = ctx->ranges.elts; |
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509 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 510 |
461 | 511 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 512 |
461 | 513 range[i].content_range.data = |
2049 | 514 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
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515 |
461 | 516 if (range[i].content_range.data == NULL) { |
517 return NGX_ERROR; | |
518 } | |
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519 |
461 | 520 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
521 "%O-%O/%O" CRLF CRLF, | |
522 range[i].start, range[i].end - 1, | |
523 r->headers_out.content_length_n) | |
524 - range[i].content_range.data; | |
160
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525 |
461 | 526 len += ctx->boundary_header.len + range[i].content_range.len |
527 + (size_t) (range[i].end - range[i].start); | |
528 } | |
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529 |
461 | 530 r->headers_out.content_length_n = len; |
960 | 531 |
532 if (r->headers_out.content_length) { | |
533 r->headers_out.content_length->hash = 0; | |
534 r->headers_out.content_length = NULL; | |
535 } | |
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536 |
155
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537 return ngx_http_next_header_filter(r); |
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538 } |
1630 | 539 |
540 | |
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541 static ngx_int_t |
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542 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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543 { |
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544 ngx_table_elt_t *content_range; |
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545 |
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546 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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547 |
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548 content_range = ngx_list_push(&r->headers_out.headers); |
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549 if (content_range == NULL) { |
1630 | 550 return NGX_ERROR; |
551 } | |
552 | |
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553 r->headers_out.content_range = content_range; |
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554 |
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555 content_range->hash = 1; |
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556 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 557 |
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558 content_range->value.data = ngx_pnalloc(r->pool, |
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559 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
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|
560 if (content_range->value.data == NULL) { |
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561 return NGX_ERROR; |
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|
562 } |
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changeset
|
563 |
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changeset
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564 content_range->value.len = ngx_sprintf(content_range->value.data, |
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split ngx_http_range_filter_module
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changeset
|
565 "bytes */%O", |
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diff
changeset
|
566 r->headers_out.content_length_n) |
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|
567 - content_range->value.data; |
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changeset
|
568 |
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|
569 ngx_http_clear_content_length(r); |
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|
570 |
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|
571 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
572 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
573 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
574 |
493 | 575 static ngx_int_t |
576 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
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parents:
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|
577 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
578 ngx_http_range_filter_ctx_t *ctx; |
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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diff
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|
579 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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changeset
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580 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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962
diff
changeset
|
581 return ngx_http_next_body_filter(r, in); |
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move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
582 } |
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move ranges array to ngx_http_range_filter_ctx_t
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diff
changeset
|
583 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
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962
diff
changeset
|
584 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
|
585 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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962
diff
changeset
|
586 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
|
587 return ngx_http_next_body_filter(r, in); |
99
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parents:
diff
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|
588 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
589 |
2121
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2119
diff
changeset
|
590 if (ctx->ranges.nelts == 1) { |
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support several buf's for single-part range
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diff
changeset
|
591 return ngx_http_range_singlepart_body(r, ctx, in); |
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support several buf's for single-part range
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changeset
|
592 } |
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support several buf's for single-part range
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diff
changeset
|
593 |
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support several buf's for single-part range
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diff
changeset
|
594 /* |
b39c0040b3e4
support several buf's for single-part range
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changeset
|
595 * multipart ranges are supported only if whole body is in a single buffer |
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|
596 */ |
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diff
changeset
|
597 |
962
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diff
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598 if (ngx_buf_special(in->buf)) { |
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|
599 return ngx_http_next_body_filter(r, in); |
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|
600 } |
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diff
changeset
|
601 |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
602 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
c1f589732d8c
split ngx_http_range_filter_module
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changeset
|
603 return NGX_ERROR; |
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split ngx_http_range_filter_module
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changeset
|
604 } |
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diff
changeset
|
605 |
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split ngx_http_range_filter_module
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diff
changeset
|
606 return ngx_http_range_multipart_body(r, ctx, in); |
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diff
changeset
|
607 } |
c1f589732d8c
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diff
changeset
|
608 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
609 |
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
610 static ngx_int_t |
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diff
changeset
|
611 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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split ngx_http_range_filter_module
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diff
changeset
|
612 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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diff
changeset
|
613 { |
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diff
changeset
|
614 off_t start, last; |
c1f589732d8c
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diff
changeset
|
615 ngx_buf_t *buf; |
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split ngx_http_range_filter_module
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diff
changeset
|
616 ngx_uint_t i; |
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diff
changeset
|
617 ngx_http_range_t *range; |
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diff
changeset
|
618 |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
619 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
620 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
621 } |
69754fb59ba1
support ranges for single memory buffer
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diff
changeset
|
622 |
2118
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diff
changeset
|
623 buf = in->buf; |
960 | 624 |
625 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
626 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
627 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
628 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
629 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
630 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
631 if (start > range[i].start || last < range[i].end) { |
960 | 632 goto overlapped; |
633 } | |
634 } | |
635 } | |
636 | |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
637 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
638 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
639 return NGX_OK; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
640 |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
641 overlapped: |
960 | 642 |
2118
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
643 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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split ngx_http_range_filter_module
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diff
changeset
|
644 "range in overlapped buffers"); |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
645 |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
646 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
647 } |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
648 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
649 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
650 static ngx_int_t |
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diff
changeset
|
651 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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split ngx_http_range_filter_module
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diff
changeset
|
652 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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diff
changeset
|
653 { |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
654 off_t start, last; |
2118
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diff
changeset
|
655 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
|
656 ngx_chain_t *out, *cl, **ll; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
657 ngx_http_range_t *range; |
960 | 658 |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
659 out = NULL; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
660 ll = &out; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
661 range = ctx->ranges.elts; |
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diff
changeset
|
662 |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
663 for (cl = in; cl; cl = cl->next) { |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
664 |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
665 buf = cl->buf; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
666 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
667 start = ctx->offset; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
668 last = ctx->offset + ngx_buf_size(buf); |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
669 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
670 ctx->offset = last; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
671 |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
672 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
673 "http range body buf: %O-%O", start, last); |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
674 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
675 if (ngx_buf_special(buf)) { |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
676 *ll = cl; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
677 ll = &cl->next; |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
678 continue; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
679 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
680 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
681 if (range->end <= start || range->start >= last) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
682 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
683 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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684 "http range body skip"); |
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685 |
2269 | 686 if (buf->in_file) { |
687 buf->file_pos = buf->file_last; | |
688 } | |
689 | |
2121
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690 buf->pos = buf->last; |
2269 | 691 buf->sync = 1; |
692 | |
2121
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693 continue; |
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694 } |
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695 |
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696 if (range->start > start) { |
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697 |
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698 if (buf->in_file) { |
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699 buf->file_pos += range->start - start; |
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700 } |
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701 |
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702 if (ngx_buf_in_memory(buf)) { |
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703 buf->pos += (size_t) (range->start - start); |
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704 } |
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705 } |
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706 |
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707 if (range->end <= last) { |
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708 |
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709 if (buf->in_file) { |
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710 buf->file_last -= last - range->end; |
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711 } |
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712 |
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713 if (ngx_buf_in_memory(buf)) { |
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714 buf->last -= (size_t) (last - range->end); |
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715 } |
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716 |
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717 buf->last_buf = 1; |
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718 *ll = cl; |
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719 cl->next = NULL; |
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|
720 |
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|
721 break; |
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|
722 } |
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723 |
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724 *ll = cl; |
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725 ll = &cl->next; |
960 | 726 } |
727 | |
2121
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728 if (out == NULL) { |
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729 return NGX_OK; |
2118
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|
730 } |
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|
731 |
2121
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732 return ngx_http_next_body_filter(r, out); |
2118
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|
733 } |
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|
734 |
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|
735 |
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|
736 static ngx_int_t |
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737 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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|
738 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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739 { |
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740 ngx_buf_t *b, *buf; |
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741 ngx_uint_t i; |
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742 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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743 ngx_http_range_t *range; |
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|
744 |
960 | 745 ll = &out; |
2118
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|
746 buf = in->buf; |
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|
747 range = ctx->ranges.elts; |
160
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|
748 |
963
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diff
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|
749 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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diff
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|
750 |
960 | 751 /* |
752 * The boundary header of the range: | |
753 * CRLF | |
754 * "--0123456789" CRLF | |
755 * "Content-Type: image/jpeg" CRLF | |
756 * "Content-Range: bytes " | |
757 */ | |
758 | |
759 b = ngx_calloc_buf(r->pool); | |
760 if (b == NULL) { | |
761 return NGX_ERROR; | |
99
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|
762 } |
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diff
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|
763 |
960 | 764 b->memory = 1; |
765 b->pos = ctx->boundary_header.data; | |
766 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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|
767 |
960 | 768 hcl = ngx_alloc_chain_link(r->pool); |
769 if (hcl == NULL) { | |
770 return NGX_ERROR; | |
771 } | |
461 | 772 |
960 | 773 hcl->buf = b; |
99
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|
774 |
461 | 775 |
960 | 776 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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|
777 |
501 | 778 b = ngx_calloc_buf(r->pool); |
779 if (b == NULL) { | |
461 | 780 return NGX_ERROR; |
781 } | |
782 | |
343
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335
diff
changeset
|
783 b->temporary = 1; |
960 | 784 b->pos = range[i].content_range.data; |
785 b->last = range[i].content_range.data + range[i].content_range.len; | |
786 | |
787 rcl = ngx_alloc_chain_link(r->pool); | |
788 if (rcl == NULL) { | |
789 return NGX_ERROR; | |
790 } | |
791 | |
792 rcl->buf = b; | |
793 | |
794 | |
795 /* the range data */ | |
461 | 796 |
960 | 797 b = ngx_calloc_buf(r->pool); |
798 if (b == NULL) { | |
799 return NGX_ERROR; | |
800 } | |
801 | |
962
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|
802 b->in_file = buf->in_file; |
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|
803 b->temporary = buf->temporary; |
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|
804 b->memory = buf->memory; |
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diff
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|
805 b->mmap = buf->mmap; |
960 | 806 b->file = buf->file; |
807 | |
962
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diff
changeset
|
808 if (buf->in_file) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
809 b->file_pos = buf->file_pos + range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
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diff
changeset
|
810 b->file_last = buf->file_pos + range[i].end; |
962
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diff
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|
811 } |
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diff
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|
812 |
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diff
changeset
|
813 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
|
814 b->pos = buf->pos + (size_t) range[i].start; |
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Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
815 b->last = buf->pos + (size_t) range[i].end; |
962
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diff
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|
816 } |
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|
817 |
960 | 818 dcl = ngx_alloc_chain_link(r->pool); |
819 if (dcl == NULL) { | |
461 | 820 return NGX_ERROR; |
821 } | |
822 | |
960 | 823 dcl->buf = b; |
461 | 824 |
155
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|
825 *ll = hcl; |
960 | 826 hcl->next = rcl; |
827 rcl->next = dcl; | |
828 ll = &dcl->next; | |
829 } | |
99
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parents:
diff
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|
830 |
960 | 831 /* the last boundary CRLF "--0123456789--" CRLF */ |
832 | |
833 b = ngx_calloc_buf(r->pool); | |
834 if (b == NULL) { | |
835 return NGX_ERROR; | |
836 } | |
837 | |
838 b->temporary = 1; | |
839 b->last_buf = 1; | |
840 | |
2049 | 841 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
842 + sizeof("--" CRLF) - 1); | |
960 | 843 if (b->pos == NULL) { |
844 return NGX_ERROR; | |
99
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|
845 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
846 |
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
847 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
848 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 849 *b->last++ = '-'; *b->last++ = '-'; |
850 *b->last++ = CR; *b->last++ = LF; | |
851 | |
852 hcl = ngx_alloc_chain_link(r->pool); | |
853 if (hcl == NULL) { | |
854 return NGX_ERROR; | |
855 } | |
856 | |
857 hcl->buf = b; | |
858 hcl->next = NULL; | |
99
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|
859 |
960 | 860 *ll = hcl; |
861 | |
862 return ngx_http_next_body_filter(r, out); | |
99
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diff
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|
863 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
864 |
a059e1aa65d4
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diff
changeset
|
865 |
493 | 866 static ngx_int_t |
681 | 867 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
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diff
changeset
|
868 { |
155
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153
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|
869 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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parents:
diff
changeset
|
870 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
|
871 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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314
diff
changeset
|
872 return NGX_OK; |
af451db3fe99
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|
873 } |
af451db3fe99
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314
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changeset
|
874 |
af451db3fe99
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314
diff
changeset
|
875 |
493 | 876 static ngx_int_t |
681 | 877 ngx_http_range_body_filter_init(ngx_conf_t *cf) |
334
af451db3fe99
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314
diff
changeset
|
878 { |
155
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153
diff
changeset
|
879 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
|
880 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
|
881 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
882 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
883 } |