Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_range_filter_module.c @ 5722:baf2816d556d
Configure: workaround for system perl on OS X (ticket #576).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 17 Jun 2014 12:07:06 +0400 |
parents | 345e4fd4bb64 |
children | 9653092a79fd |
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 { |
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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); |
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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 |
334
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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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117 |
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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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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
Igor Sysoev <igor@sysoev.ru>
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 |
3331
e0bc43a52382
backout r3325: postpone filter is a body only filter
Igor Sysoev <igor@sysoev.ru>
parents:
3324
diff
changeset
|
157 || 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
|
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
4752060ca462
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 |
4745
4752060ca462
Entity tags: support in If-Range header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4741
diff
changeset
|
207 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
|
208 |
1630 | 209 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
210 "http ir:%d lm:%d", | |
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
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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
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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
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 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
225 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
|
226 != NGX_OK) |
461 | 227 { |
228 return NGX_ERROR; | |
229 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 |
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
231 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
|
232 |
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5558
diff
changeset
|
233 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
|
234 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
235 case NGX_OK: |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
236 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
|
237 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
238 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
Igor Sysoev <igor@sysoev.ru>
parents:
2536
diff
changeset
|
239 r->headers_out.status_line.len = 0; |
2118
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 if (ctx->ranges.nelts == 1) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
242 return ngx_http_range_singlepart_header(r, ctx); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
243 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
244 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
245 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
|
246 |
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_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
|
248 return ngx_http_range_not_satisfiable(r); |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
249 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
250 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
|
251 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
|
252 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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253 default: /* NGX_DECLINED */ |
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254 break; |
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255 } |
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256 |
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257 next_filter: |
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258 |
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259 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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260 if (r->headers_out.accept_ranges == NULL) { |
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261 return NGX_ERROR; |
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262 } |
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263 |
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264 r->headers_out.accept_ranges->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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265 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
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266 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
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267 |
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268 return ngx_http_next_header_filter(r); |
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269 } |
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270 |
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271 |
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272 static ngx_int_t |
4062 | 273 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, |
274 ngx_uint_t ranges) | |
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275 { |
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276 u_char *p; |
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277 off_t start, end, size, content_length; |
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278 ngx_uint_t suffix; |
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279 ngx_http_range_t *range; |
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280 |
99
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281 p = r->headers_in.range->value.data + 6; |
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282 size = 0; |
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283 content_length = r->headers_out.content_length_n; |
99
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284 |
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285 for ( ;; ) { |
231
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286 start = 0; |
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287 end = 0; |
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288 suffix = 0; |
99
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289 |
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290 while (*p == ' ') { p++; } |
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|
291 |
231
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292 if (*p != '-') { |
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293 if (*p < '0' || *p > '9') { |
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294 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
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|
295 } |
99
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|
296 |
231
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297 while (*p >= '0' && *p <= '9') { |
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|
298 start = start * 10 + *p++ - '0'; |
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|
299 } |
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|
300 |
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|
301 while (*p == ' ') { p++; } |
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|
302 |
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|
303 if (*p++ != '-') { |
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304 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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diff
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|
305 } |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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|
306 |
231
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nginx-0.0.1-2004-01-16-21:29:15 import
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|
307 while (*p == ' ') { p++; } |
99
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|
308 |
231
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|
309 if (*p == ',' || *p == '\0') { |
4057
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|
310 end = content_length; |
4055
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|
311 goto found; |
99
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|
312 } |
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|
313 |
231
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|
314 } else { |
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|
315 suffix = 1; |
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|
316 p++; |
99
a059e1aa65d4
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|
317 } |
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|
318 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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|
319 if (*p < '0' || *p > '9') { |
2118
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|
320 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
321 } |
a059e1aa65d4
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|
322 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
323 while (*p >= '0' && *p <= '9') { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
324 end = end * 10 + *p++ - '0'; |
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|
325 } |
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diff
changeset
|
326 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
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|
327 while (*p == ' ') { p++; } |
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nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
328 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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|
329 if (*p != ',' && *p != '\0') { |
2118
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|
330 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
331 } |
a059e1aa65d4
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diff
changeset
|
332 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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195
diff
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|
333 if (suffix) { |
4057
3205a6d6c6ec
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|
334 start = content_length - end; |
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|
335 end = content_length - 1; |
231
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nginx-0.0.1-2004-01-16-21:29:15 import
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|
336 } |
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195
diff
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|
337 |
4057
3205a6d6c6ec
Ranges processing small optimization.
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diff
changeset
|
338 if (end >= content_length) { |
3205a6d6c6ec
Ranges processing small optimization.
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|
339 end = content_length; |
4055
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diff
changeset
|
340 |
9cce506be97d
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diff
changeset
|
341 } else { |
9cce506be97d
Ranges processing small optimization.
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4054
diff
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|
342 end++; |
9cce506be97d
Ranges processing small optimization.
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parents:
4054
diff
changeset
|
343 } |
9cce506be97d
Ranges processing small optimization.
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parents:
4054
diff
changeset
|
344 |
9cce506be97d
Ranges processing small optimization.
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parents:
4054
diff
changeset
|
345 found: |
9cce506be97d
Ranges processing small optimization.
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parents:
4054
diff
changeset
|
346 |
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
|
347 if (start < end) { |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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4060
diff
changeset
|
348 range = ngx_array_push(&ctx->ranges); |
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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4060
diff
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|
349 if (range == NULL) { |
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Style fix: removal of tabs introduced in the previous commit.
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diff
changeset
|
350 return NGX_ERROR; |
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Style fix: removal of tabs introduced in the previous commit.
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diff
changeset
|
351 } |
461 | 352 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
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4060
diff
changeset
|
353 range->start = start; |
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Style fix: removal of tabs introduced in the previous commit.
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diff
changeset
|
354 range->end = end; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
355 |
4061
bd2ec6ce5d58
Style fix: removal of tabs introduced in the previous commit.
Igor Sysoev <igor@sysoev.ru>
parents:
4060
diff
changeset
|
356 size += end - start; |
4062 | 357 |
4063
8d70904b6c48
Now if client requests more ranges than "max_ranges" permits,
Igor Sysoev <igor@sysoev.ru>
parents:
4062
diff
changeset
|
358 if (ranges-- == 0) { |
8d70904b6c48
Now if client requests more ranges than "max_ranges" permits,
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parents:
4062
diff
changeset
|
359 return NGX_DECLINED; |
4062 | 360 } |
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
|
361 } |
4056
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
362 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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195
diff
changeset
|
363 if (*p++ != ',') { |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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parents:
3516
diff
changeset
|
364 break; |
231
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195
diff
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|
365 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
366 } |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
367 |
4056
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
368 if (ctx->ranges.nelts == 0) { |
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
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|
369 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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370 } |
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371 |
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372 if (size > content_length) { |
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373 return NGX_DECLINED; |
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374 } |
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375 |
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376 return NGX_OK; |
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377 } |
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378 |
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379 |
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380 static ngx_int_t |
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381 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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382 ngx_http_range_filter_ctx_t *ctx) |
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383 { |
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384 ngx_table_elt_t *content_range; |
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385 ngx_http_range_t *range; |
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386 |
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387 content_range = ngx_list_push(&r->headers_out.headers); |
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388 if (content_range == NULL) { |
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389 return NGX_ERROR; |
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390 } |
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391 |
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392 r->headers_out.content_range = content_range; |
461 | 393 |
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394 content_range->hash = 1; |
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395 ngx_str_set(&content_range->key, "Content-Range"); |
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396 |
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397 content_range->value.data = ngx_pnalloc(r->pool, |
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398 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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399 if (content_range->value.data == NULL) { |
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400 return NGX_ERROR; |
461 | 401 } |
402 | |
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403 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 404 |
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405 range = ctx->ranges.elts; |
461 | 406 |
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407 content_range->value.len = ngx_sprintf(content_range->value.data, |
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408 "bytes %O-%O/%O", |
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409 range->start, range->end - 1, |
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410 r->headers_out.content_length_n) |
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411 - content_range->value.data; |
461 | 412 |
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413 r->headers_out.content_length_n = range->end - range->start; |
461 | 414 |
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415 if (r->headers_out.content_length) { |
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416 r->headers_out.content_length->hash = 0; |
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417 r->headers_out.content_length = NULL; |
461 | 418 } |
419 | |
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420 return ngx_http_next_header_filter(r); |
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421 } |
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422 |
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423 |
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424 static ngx_int_t |
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425 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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426 ngx_http_range_filter_ctx_t *ctx) |
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427 { |
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428 size_t len; |
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429 ngx_uint_t i; |
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430 ngx_http_range_t *range; |
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431 ngx_atomic_uint_t boundary; |
461 | 432 |
493 | 433 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
434 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 435 + r->headers_out.content_type.len |
461 | 436 + sizeof(CRLF "Content-Range: bytes ") - 1; |
437 | |
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438 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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439 && r->headers_out.charset.len) |
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440 { |
461 | 441 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; |
442 } | |
443 | |
2049 | 444 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 445 if (ctx->boundary_header.data == NULL) { |
461 | 446 return NGX_ERROR; |
447 } | |
448 | |
493 | 449 boundary = ngx_next_temp_number(0); |
461 | 450 |
451 /* | |
452 * The boundary header of the range: | |
453 * CRLF | |
454 * "--0123456789" CRLF | |
455 * "Content-Type: image/jpeg" CRLF | |
456 * "Content-Range: bytes " | |
457 */ | |
458 | |
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459 if (r->headers_out.content_type_len == r->headers_out.content_type.len |
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460 && r->headers_out.charset.len) |
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461 { |
461 | 462 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 463 CRLF "--%0muA" CRLF |
461 | 464 "Content-Type: %V; charset=%V" CRLF |
465 "Content-Range: bytes ", | |
466 boundary, | |
509 | 467 &r->headers_out.content_type, |
461 | 468 &r->headers_out.charset) |
469 - ctx->boundary_header.data; | |
470 | |
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471 } else if (r->headers_out.content_type.len) { |
461 | 472 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 473 CRLF "--%0muA" CRLF |
461 | 474 "Content-Type: %V" CRLF |
475 "Content-Range: bytes ", | |
476 boundary, | |
509 | 477 &r->headers_out.content_type) |
461 | 478 - ctx->boundary_header.data; |
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479 |
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480 } else { |
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481 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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482 CRLF "--%0muA" CRLF |
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483 "Content-Range: bytes ", |
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484 boundary) |
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485 - ctx->boundary_header.data; |
461 | 486 } |
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487 |
509 | 488 r->headers_out.content_type.data = |
2049 | 489 ngx_pnalloc(r->pool, |
490 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
491 + NGX_ATOMIC_T_LEN); | |
165
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492 |
509 | 493 if (r->headers_out.content_type.data == NULL) { |
461 | 494 return NGX_ERROR; |
495 } | |
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496 |
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497 r->headers_out.content_type_lowcase = NULL; |
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498 |
461 | 499 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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500 |
509 | 501 r->headers_out.content_type.len = |
502 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 503 "multipart/byteranges; boundary=%0muA", |
461 | 504 boundary) |
509 | 505 - r->headers_out.content_type.data; |
160
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506 |
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507 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 508 |
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509 r->headers_out.charset.len = 0; |
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510 |
461 | 511 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 512 |
513 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
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514 |
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515 range = ctx->ranges.elts; |
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516 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 517 |
461 | 518 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 519 |
461 | 520 range[i].content_range.data = |
2049 | 521 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
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522 |
461 | 523 if (range[i].content_range.data == NULL) { |
524 return NGX_ERROR; | |
525 } | |
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526 |
461 | 527 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
528 "%O-%O/%O" CRLF CRLF, | |
529 range[i].start, range[i].end - 1, | |
530 r->headers_out.content_length_n) | |
531 - range[i].content_range.data; | |
160
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532 |
461 | 533 len += ctx->boundary_header.len + range[i].content_range.len |
534 + (size_t) (range[i].end - range[i].start); | |
535 } | |
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536 |
461 | 537 r->headers_out.content_length_n = len; |
960 | 538 |
539 if (r->headers_out.content_length) { | |
540 r->headers_out.content_length->hash = 0; | |
541 r->headers_out.content_length = NULL; | |
542 } | |
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543 |
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544 return ngx_http_next_header_filter(r); |
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545 } |
1630 | 546 |
547 | |
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548 static ngx_int_t |
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549 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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550 { |
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551 ngx_table_elt_t *content_range; |
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552 |
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553 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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554 |
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555 content_range = ngx_list_push(&r->headers_out.headers); |
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556 if (content_range == NULL) { |
1630 | 557 return NGX_ERROR; |
558 } | |
559 | |
2118
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560 r->headers_out.content_range = content_range; |
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561 |
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562 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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3331
diff
changeset
|
563 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 564 |
2118
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565 content_range->value.data = ngx_pnalloc(r->pool, |
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changeset
|
566 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
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567 if (content_range->value.data == NULL) { |
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|
568 return NGX_ERROR; |
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|
569 } |
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570 |
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changeset
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571 content_range->value.len = ngx_sprintf(content_range->value.data, |
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changeset
|
572 "bytes */%O", |
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diff
changeset
|
573 r->headers_out.content_length_n) |
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|
574 - content_range->value.data; |
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|
575 |
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|
576 ngx_http_clear_content_length(r); |
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changeset
|
577 |
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|
578 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:
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changeset
|
579 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
580 |
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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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|
581 |
493 | 582 static ngx_int_t |
583 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:
diff
changeset
|
584 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
585 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
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|
586 |
963
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move ranges array to ngx_http_range_filter_ctx_t
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changeset
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587 if (in == NULL) { |
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move ranges array to ngx_http_range_filter_ctx_t
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962
diff
changeset
|
588 return ngx_http_next_body_filter(r, in); |
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parents:
962
diff
changeset
|
589 } |
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move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
590 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
591 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
78e70dae89f0
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parents:
962
diff
changeset
|
592 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
593 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
|
594 return ngx_http_next_body_filter(r, in); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
595 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
596 |
2121
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2119
diff
changeset
|
597 if (ctx->ranges.nelts == 1) { |
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support several buf's for single-part range
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diff
changeset
|
598 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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diff
changeset
|
599 } |
b39c0040b3e4
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diff
changeset
|
600 |
b39c0040b3e4
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diff
changeset
|
601 /* |
b39c0040b3e4
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diff
changeset
|
602 * multipart ranges are supported only if whole body is in a single buffer |
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|
603 */ |
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|
604 |
962
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diff
changeset
|
605 if (ngx_buf_special(in->buf)) { |
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961
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|
606 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
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changeset
|
607 } |
69754fb59ba1
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diff
changeset
|
608 |
2118
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diff
changeset
|
609 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
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split ngx_http_range_filter_module
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changeset
|
610 return NGX_ERROR; |
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|
611 } |
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diff
changeset
|
612 |
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diff
changeset
|
613 return ngx_http_range_multipart_body(r, ctx, in); |
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diff
changeset
|
614 } |
c1f589732d8c
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2049
diff
changeset
|
615 |
c1f589732d8c
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parents:
2049
diff
changeset
|
616 |
c1f589732d8c
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diff
changeset
|
617 static ngx_int_t |
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diff
changeset
|
618 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
|
619 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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diff
changeset
|
620 { |
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diff
changeset
|
621 off_t start, last; |
c1f589732d8c
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diff
changeset
|
622 ngx_buf_t *buf; |
c1f589732d8c
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diff
changeset
|
623 ngx_uint_t i; |
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diff
changeset
|
624 ngx_http_range_t *range; |
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diff
changeset
|
625 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
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961
diff
changeset
|
626 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
627 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
628 } |
69754fb59ba1
support ranges for single memory buffer
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diff
changeset
|
629 |
2118
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diff
changeset
|
630 buf = in->buf; |
960 | 631 |
632 if (!buf->last_buf) { | |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
633 start = ctx->offset; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4412
diff
changeset
|
634 last = ctx->offset + ngx_buf_size(buf); |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
635 |
2118
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diff
changeset
|
636 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
637 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
638 if (start > range[i].start || last < range[i].end) { |
960 | 639 goto overlapped; |
640 } | |
641 } | |
642 } | |
643 | |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
644 ctx->offset = ngx_buf_size(buf); |
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support ranges for single memory buffer
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diff
changeset
|
645 |
2118
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diff
changeset
|
646 return NGX_OK; |
c1f589732d8c
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diff
changeset
|
647 |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
648 overlapped: |
960 | 649 |
2118
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split ngx_http_range_filter_module
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2049
diff
changeset
|
650 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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diff
changeset
|
651 "range in overlapped buffers"); |
c1f589732d8c
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diff
changeset
|
652 |
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split ngx_http_range_filter_module
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diff
changeset
|
653 return NGX_ERROR; |
c1f589732d8c
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diff
changeset
|
654 } |
c1f589732d8c
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2049
diff
changeset
|
655 |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
656 |
2118
c1f589732d8c
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diff
changeset
|
657 static ngx_int_t |
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diff
changeset
|
658 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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diff
changeset
|
659 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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diff
changeset
|
660 { |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
661 off_t start, last; |
2118
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diff
changeset
|
662 ngx_buf_t *buf; |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
663 ngx_chain_t *out, *cl, **ll; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
664 ngx_http_range_t *range; |
960 | 665 |
2121
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support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
666 out = NULL; |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
667 ll = &out; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
668 range = ctx->ranges.elts; |
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diff
changeset
|
669 |
2121
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
670 for (cl = in; cl; cl = cl->next) { |
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 buf = cl->buf; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
673 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
674 start = ctx->offset; |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
675 last = ctx->offset + ngx_buf_size(buf); |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
676 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
677 ctx->offset = last; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
678 |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
679 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
680 "http range body buf: %O-%O", start, last); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
681 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
682 if (ngx_buf_special(buf)) { |
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683 *ll = cl; |
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684 ll = &cl->next; |
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685 continue; |
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686 } |
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687 |
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688 if (range->end <= start || range->start >= last) { |
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689 |
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690 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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691 "http range body skip"); |
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692 |
2269 | 693 if (buf->in_file) { |
694 buf->file_pos = buf->file_last; | |
695 } | |
696 | |
2121
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697 buf->pos = buf->last; |
2269 | 698 buf->sync = 1; |
699 | |
2121
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700 continue; |
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701 } |
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702 |
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703 if (range->start > start) { |
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704 |
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705 if (buf->in_file) { |
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706 buf->file_pos += range->start - start; |
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707 } |
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708 |
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709 if (ngx_buf_in_memory(buf)) { |
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710 buf->pos += (size_t) (range->start - start); |
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711 } |
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712 } |
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713 |
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714 if (range->end <= last) { |
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715 |
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716 if (buf->in_file) { |
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717 buf->file_last -= last - range->end; |
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718 } |
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719 |
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720 if (ngx_buf_in_memory(buf)) { |
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721 buf->last -= (size_t) (last - range->end); |
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722 } |
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723 |
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724 buf->last_buf = 1; |
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725 *ll = cl; |
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726 cl->next = NULL; |
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727 |
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|
728 break; |
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729 } |
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730 |
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731 *ll = cl; |
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732 ll = &cl->next; |
960 | 733 } |
734 | |
2121
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735 if (out == NULL) { |
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736 return NGX_OK; |
2118
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737 } |
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|
738 |
2121
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739 return ngx_http_next_body_filter(r, out); |
2118
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740 } |
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|
741 |
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|
742 |
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|
743 static ngx_int_t |
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|
744 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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|
745 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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|
746 { |
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|
747 ngx_buf_t *b, *buf; |
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748 ngx_uint_t i; |
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|
749 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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|
750 ngx_http_range_t *range; |
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|
751 |
960 | 752 ll = &out; |
2118
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|
753 buf = in->buf; |
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|
754 range = ctx->ranges.elts; |
160
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|
755 |
963
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diff
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|
756 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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|
757 |
960 | 758 /* |
759 * The boundary header of the range: | |
760 * CRLF | |
761 * "--0123456789" CRLF | |
762 * "Content-Type: image/jpeg" CRLF | |
763 * "Content-Range: bytes " | |
764 */ | |
765 | |
766 b = ngx_calloc_buf(r->pool); | |
767 if (b == NULL) { | |
768 return NGX_ERROR; | |
99
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|
769 } |
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|
770 |
960 | 771 b->memory = 1; |
772 b->pos = ctx->boundary_header.data; | |
773 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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|
774 |
960 | 775 hcl = ngx_alloc_chain_link(r->pool); |
776 if (hcl == NULL) { | |
777 return NGX_ERROR; | |
778 } | |
461 | 779 |
960 | 780 hcl->buf = b; |
99
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|
781 |
461 | 782 |
960 | 783 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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|
784 |
501 | 785 b = ngx_calloc_buf(r->pool); |
786 if (b == NULL) { | |
461 | 787 return NGX_ERROR; |
788 } | |
789 | |
343
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diff
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|
790 b->temporary = 1; |
960 | 791 b->pos = range[i].content_range.data; |
792 b->last = range[i].content_range.data + range[i].content_range.len; | |
793 | |
794 rcl = ngx_alloc_chain_link(r->pool); | |
795 if (rcl == NULL) { | |
796 return NGX_ERROR; | |
797 } | |
798 | |
799 rcl->buf = b; | |
800 | |
801 | |
802 /* the range data */ | |
461 | 803 |
960 | 804 b = ngx_calloc_buf(r->pool); |
805 if (b == NULL) { | |
806 return NGX_ERROR; | |
807 } | |
808 | |
962
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|
809 b->in_file = buf->in_file; |
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|
810 b->temporary = buf->temporary; |
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|
811 b->memory = buf->memory; |
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|
812 b->mmap = buf->mmap; |
960 | 813 b->file = buf->file; |
814 | |
962
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changeset
|
815 if (buf->in_file) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
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parents:
4412
diff
changeset
|
816 b->file_pos = buf->file_pos + range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
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|
817 b->file_last = buf->file_pos + range[i].end; |
962
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|
818 } |
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|
819 |
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diff
changeset
|
820 if (ngx_buf_in_memory(buf)) { |
4467
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
821 b->pos = buf->pos + (size_t) range[i].start; |
85a1570ce960
Removed r->cache/r->cached dependencies in range filter.
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changeset
|
822 b->last = buf->pos + (size_t) range[i].end; |
962
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|
823 } |
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|
824 |
960 | 825 dcl = ngx_alloc_chain_link(r->pool); |
826 if (dcl == NULL) { | |
461 | 827 return NGX_ERROR; |
828 } | |
829 | |
960 | 830 dcl->buf = b; |
461 | 831 |
155
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|
832 *ll = hcl; |
960 | 833 hcl->next = rcl; |
834 rcl->next = dcl; | |
835 ll = &dcl->next; | |
836 } | |
99
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|
837 |
960 | 838 /* the last boundary CRLF "--0123456789--" CRLF */ |
839 | |
840 b = ngx_calloc_buf(r->pool); | |
841 if (b == NULL) { | |
842 return NGX_ERROR; | |
843 } | |
844 | |
845 b->temporary = 1; | |
846 b->last_buf = 1; | |
847 | |
2049 | 848 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
849 + sizeof("--" CRLF) - 1); | |
960 | 850 if (b->pos == NULL) { |
851 return NGX_ERROR; | |
99
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|
852 } |
a059e1aa65d4
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parents:
diff
changeset
|
853 |
1195
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1107
diff
changeset
|
854 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
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parents:
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diff
changeset
|
855 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 856 *b->last++ = '-'; *b->last++ = '-'; |
857 *b->last++ = CR; *b->last++ = LF; | |
858 | |
859 hcl = ngx_alloc_chain_link(r->pool); | |
860 if (hcl == NULL) { | |
861 return NGX_ERROR; | |
862 } | |
863 | |
864 hcl->buf = b; | |
865 hcl->next = NULL; | |
99
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|
866 |
960 | 867 *ll = hcl; |
868 | |
869 return ngx_http_next_body_filter(r, out); | |
99
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|
870 } |
a059e1aa65d4
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|
871 |
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|
872 |
493 | 873 static ngx_int_t |
681 | 874 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
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|
875 { |
155
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|
876 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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changeset
|
877 ngx_http_top_header_filter = ngx_http_range_header_filter; |
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parents:
diff
changeset
|
878 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
879 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
880 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
881 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
882 |
493 | 883 static ngx_int_t |
681 | 884 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
|
885 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
886 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
|
887 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
|
888 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
889 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
890 } |