Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 4034:e2c075e774b6
Cache size accounting fix: actual cache size on disk was less than
needed by sum of sizes of files loaded by worker processes themselves
while cache loader was running.
The bug has been introduced in r3900.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 25 Aug 2011 17:29:34 +0000 |
| parents | dd1570b6f237 |
| children | c2a91088b0c0 fb1375e8b68c |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
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12 /* |
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13 * the single part format: |
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14 * |
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15 * "HTTP/1.0 206 Partial Content" CRLF |
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16 * ... header ... |
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17 * "Content-Type: image/jpeg" CRLF |
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18 * "Content-Length: SIZE" CRLF |
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19 * "Content-Range: bytes START-END/SIZE" CRLF |
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20 * CRLF |
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21 * ... data ... |
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22 * |
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23 * |
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24 * the mutlipart format: |
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25 * |
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26 * "HTTP/1.0 206 Partial Content" CRLF |
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27 * ... header ... |
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28 * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF |
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29 * CRLF |
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30 * CRLF |
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31 * "--0123456789" CRLF |
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32 * "Content-Type: image/jpeg" CRLF |
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33 * "Content-Range: bytes START0-END0/SIZE" CRLF |
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34 * CRLF |
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35 * ... data ... |
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36 * CRLF |
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37 * "--0123456789" CRLF |
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38 * "Content-Type: image/jpeg" CRLF |
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39 * "Content-Range: bytes START1-END1/SIZE" CRLF |
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40 * CRLF |
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41 * ... data ... |
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42 * CRLF |
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43 * "--0123456789--" CRLF |
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44 */ |
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45 |
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46 |
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47 typedef struct { |
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48 off_t start; |
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49 off_t end; |
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50 ngx_str_t content_range; |
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51 } ngx_http_range_t; |
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52 |
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53 |
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54 typedef struct { |
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55 off_t offset; |
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56 ngx_str_t boundary_header; |
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57 ngx_array_t ranges; |
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58 } ngx_http_range_filter_ctx_t; |
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59 |
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60 |
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61 ngx_int_t ngx_http_range_parse(ngx_http_request_t *r, |
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62 ngx_http_range_filter_ctx_t *ctx); |
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63 static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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64 ngx_http_range_filter_ctx_t *ctx); |
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65 static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r, |
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66 ngx_http_range_filter_ctx_t *ctx); |
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67 static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r); |
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68 static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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69 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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70 static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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71 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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72 static ngx_int_t ngx_http_range_multipart_body(ngx_http_request_t *r, |
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73 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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74 |
| 681 | 75 static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); |
| 76 static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); | |
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77 |
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78 |
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79 static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { |
| 509 | 80 NULL, /* preconfiguration */ |
| 681 | 81 ngx_http_range_header_filter_init, /* postconfiguration */ |
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82 |
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83 NULL, /* create main configuration */ |
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84 NULL, /* init main configuration */ |
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85 |
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86 NULL, /* create server configuration */ |
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87 NULL, /* merge server configuration */ |
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88 |
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89 NULL, /* create location configuration */ |
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90 NULL, /* merge location configuration */ |
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91 }; |
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92 |
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93 |
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94 ngx_module_t ngx_http_range_header_filter_module = { |
| 509 | 95 NGX_MODULE_V1, |
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96 &ngx_http_range_header_filter_module_ctx, /* module context */ |
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97 NULL, /* module directives */ |
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98 NGX_HTTP_MODULE, /* module type */ |
| 541 | 99 NULL, /* init master */ |
| 681 | 100 NULL, /* init module */ |
| 541 | 101 NULL, /* init process */ |
| 102 NULL, /* init thread */ | |
| 103 NULL, /* exit thread */ | |
| 104 NULL, /* exit process */ | |
| 105 NULL, /* exit master */ | |
| 106 NGX_MODULE_V1_PADDING | |
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107 }; |
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108 |
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109 |
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110 static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { |
| 509 | 111 NULL, /* preconfiguration */ |
| 681 | 112 ngx_http_range_body_filter_init, /* postconfiguration */ |
|
334
af451db3fe99
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parents:
314
diff
changeset
|
113 |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
114 NULL, /* create main configuration */ |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
115 NULL, /* init main configuration */ |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
116 |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
117 NULL, /* create server configuration */ |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
118 NULL, /* merge server configuration */ |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
119 |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
120 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
|
121 NULL, /* merge location configuration */ |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
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|
122 }; |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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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
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314
diff
changeset
|
125 ngx_module_t ngx_http_range_body_filter_module = { |
| 509 | 126 NGX_MODULE_V1, |
|
334
af451db3fe99
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parents:
314
diff
changeset
|
127 &ngx_http_range_body_filter_module_ctx, /* module context */ |
|
af451db3fe99
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parents:
314
diff
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|
128 NULL, /* module directives */ |
|
af451db3fe99
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parents:
314
diff
changeset
|
129 NGX_HTTP_MODULE, /* module type */ |
| 541 | 130 NULL, /* init master */ |
| 681 | 131 NULL, /* init module */ |
| 541 | 132 NULL, /* init process */ |
| 133 NULL, /* init thread */ | |
| 134 NULL, /* exit thread */ | |
| 135 NULL, /* exit process */ | |
| 136 NULL, /* exit master */ | |
| 137 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
|
138 }; |
|
a059e1aa65d4
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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 |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
changeset
|
141 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
|
46eb23d9471d
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Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
142 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
|
99
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 |
|
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
| 493 | 145 static ngx_int_t |
| 146 ngx_http_range_header_filter(ngx_http_request_t *r) | |
|
99
a059e1aa65d4
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parents:
diff
changeset
|
147 { |
| 1630 | 148 time_t if_range; |
| 461 | 149 ngx_int_t rc; |
|
99
a059e1aa65d4
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parents:
diff
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|
150 ngx_http_range_filter_ctx_t *ctx; |
|
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parents:
diff
changeset
|
151 |
|
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
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parents:
155
diff
changeset
|
152 if (r->http_version < NGX_HTTP_VERSION_10 |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
153 || r->headers_out.status != NGX_HTTP_OK |
|
3331
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backout r3325: postpone filter is a body only filter
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3324
diff
changeset
|
154 || 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
|
155 || r->headers_out.content_length_n == -1 |
| 581 | 156 || !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
|
157 { |
|
155
46eb23d9471d
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parents:
153
diff
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|
158 return ngx_http_next_header_filter(r); |
|
117
f6e3c5d019b6
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Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
159 } |
|
f6e3c5d019b6
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Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
160 |
|
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
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parents:
113
diff
changeset
|
161 if (r->headers_in.range == NULL |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
162 || r->headers_in.range->value.len < 7 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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diff
changeset
|
163 || ngx_strncasecmp(r->headers_in.range->value.data, |
|
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diff
changeset
|
164 (u_char *) "bytes=", 6) |
|
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diff
changeset
|
165 != 0) |
|
99
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 { |
| 1630 | 167 goto next_filter; |
| 168 } | |
| 169 | |
| 170 if (r->headers_in.if_range && r->headers_out.last_modified_time != -1) { | |
| 171 | |
| 172 if_range = ngx_http_parse_time(r->headers_in.if_range->value.data, | |
| 173 r->headers_in.if_range->value.len); | |
|
117
f6e3c5d019b6
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parents:
113
diff
changeset
|
174 |
| 1630 | 175 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 176 "http ir:%d lm:%d", | |
| 177 if_range, r->headers_out.last_modified_time); | |
|
117
f6e3c5d019b6
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parents:
113
diff
changeset
|
178 |
| 1630 | 179 if (if_range != r->headers_out.last_modified_time) { |
| 180 goto next_filter; | |
| 181 } | |
|
99
a059e1aa65d4
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parents:
diff
changeset
|
182 } |
|
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parents:
diff
changeset
|
183 |
|
963
78e70dae89f0
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diff
changeset
|
184 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
|
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|
185 if (ctx == NULL) { |
|
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|
186 return NGX_ERROR; |
|
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diff
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|
187 } |
|
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diff
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|
188 |
|
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diff
changeset
|
189 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
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parents:
2269
diff
changeset
|
190 != NGX_OK) |
| 461 | 191 { |
| 192 return NGX_ERROR; | |
| 193 } | |
|
99
a059e1aa65d4
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parents:
diff
changeset
|
194 |
|
2118
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|
195 rc = ngx_http_range_parse(r, ctx); |
|
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|
196 |
|
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|
197 if (rc == NGX_OK) { |
|
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|
198 |
|
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|
199 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
|
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changeset
|
200 |
|
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changeset
|
201 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
|
2592
3a8a53c0c42f
a prelimiary proxy cache support
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2536
diff
changeset
|
202 r->headers_out.status_line.len = 0; |
|
2118
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changeset
|
203 |
|
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|
204 if (ctx->ranges.nelts == 1) { |
|
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|
205 return ngx_http_range_singlepart_header(r, ctx); |
|
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|
206 } |
|
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changeset
|
207 |
|
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|
208 return ngx_http_range_multipart_header(r, ctx); |
|
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changeset
|
209 } |
|
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changeset
|
210 |
|
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diff
changeset
|
211 if (rc == NGX_HTTP_RANGE_NOT_SATISFIABLE) { |
|
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|
212 return ngx_http_range_not_satisfiable(r); |
|
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|
213 } |
|
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changeset
|
214 |
|
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changeset
|
215 /* rc == NGX_ERROR */ |
|
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changeset
|
216 |
|
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|
217 return rc; |
|
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changeset
|
218 |
|
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changeset
|
219 next_filter: |
|
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changeset
|
220 |
|
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|
221 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
|
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|
222 if (r->headers_out.accept_ranges == NULL) { |
|
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|
223 return NGX_ERROR; |
|
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|
224 } |
|
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|
225 |
|
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diff
changeset
|
226 r->headers_out.accept_ranges->hash = 1; |
|
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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3331
diff
changeset
|
227 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
|
dd1570b6f237
ngx_str_set() and ngx_str_null()
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changeset
|
228 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
|
2118
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|
229 |
|
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|
230 return ngx_http_next_header_filter(r); |
|
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|
231 } |
|
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changeset
|
232 |
|
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changeset
|
233 |
|
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|
234 ngx_int_t |
|
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changeset
|
235 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx) |
|
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|
236 { |
|
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|
237 u_char *p; |
|
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changeset
|
238 off_t start, end; |
|
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changeset
|
239 ngx_uint_t suffix; |
|
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changeset
|
240 ngx_http_range_t *range; |
|
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parents:
2049
diff
changeset
|
241 |
|
99
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parents:
diff
changeset
|
242 p = r->headers_in.range->value.data + 6; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
243 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
244 for ( ;; ) { |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
245 start = 0; |
|
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parents:
195
diff
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|
246 end = 0; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
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|
247 suffix = 0; |
|
99
a059e1aa65d4
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parents:
diff
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|
248 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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changeset
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249 while (*p == ' ') { p++; } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
251 if (*p != '-') { |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
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252 if (*p < '0' || *p > '9') { |
|
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253 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
254 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
256 while (*p >= '0' && *p <= '9') { |
|
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nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
257 start = start * 10 + *p++ - '0'; |
|
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nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
258 } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
259 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
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260 while (*p == ' ') { p++; } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
261 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
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|
262 if (*p++ != '-') { |
|
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263 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
264 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
265 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
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266 if (start >= r->headers_out.content_length_n) { |
|
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parents:
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267 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
268 } |
|
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nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
269 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
270 while (*p == ' ') { p++; } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
271 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
272 if (*p == ',' || *p == '\0') { |
|
963
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move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
273 range = ngx_array_push(&ctx->ranges); |
| 501 | 274 if (range == NULL) { |
| 461 | 275 return NGX_ERROR; |
| 276 } | |
| 277 | |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
278 range->start = start; |
|
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nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
279 range->end = r->headers_out.content_length_n; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
280 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
281 if (*p++ != ',') { |
|
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parents:
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282 return NGX_OK; |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
283 } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
284 |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
285 continue; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
286 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
288 } else { |
|
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nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
289 suffix = 1; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
290 p++; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
293 if (*p < '0' || *p > '9') { |
|
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parents:
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|
294 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
295 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
296 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
297 while (*p >= '0' && *p <= '9') { |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
298 end = end * 10 + *p++ - '0'; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
299 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
300 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
301 while (*p == ' ') { p++; } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
302 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
303 if (*p != ',' && *p != '\0') { |
|
2118
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
304 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
305 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
306 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
307 if (suffix) { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
308 start = r->headers_out.content_length_n - end; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
309 end = r->headers_out.content_length_n - 1; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
310 } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
311 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
312 if (start > end) { |
|
2118
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
313 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
315 |
|
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
316 range = ngx_array_push(&ctx->ranges); |
| 501 | 317 if (range == NULL) { |
| 461 | 318 return NGX_ERROR; |
| 319 } | |
| 320 | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
321 range->start = start; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
322 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
323 if (end >= r->headers_out.content_length_n) { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
324 /* |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
325 * Download Accelerator sends the last byte position |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
changeset
|
326 * that equals to the file length |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
327 */ |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
328 range->end = r->headers_out.content_length_n; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
329 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
330 } else { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
331 range->end = end + 1; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
332 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
333 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
334 if (*p++ != ',') { |
|
2118
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split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
335 return NGX_OK; |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
336 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
337 } |
|
2118
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
338 } |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
339 |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
340 |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
341 static ngx_int_t |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
342 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
343 ngx_http_range_filter_ctx_t *ctx) |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
344 { |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
345 ngx_table_elt_t *content_range; |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
346 ngx_http_range_t *range; |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
347 |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
348 content_range = ngx_list_push(&r->headers_out.headers); |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
349 if (content_range == NULL) { |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
350 return NGX_ERROR; |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
351 } |
|
99
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352 |
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353 r->headers_out.content_range = content_range; |
| 461 | 354 |
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355 content_range->hash = 1; |
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356 ngx_str_set(&content_range->key, "Content-Range"); |
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357 |
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358 content_range->value.data = ngx_pnalloc(r->pool, |
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359 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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360 if (content_range->value.data == NULL) { |
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361 return NGX_ERROR; |
| 461 | 362 } |
| 363 | |
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364 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
| 461 | 365 |
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366 range = ctx->ranges.elts; |
| 461 | 367 |
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368 content_range->value.len = ngx_sprintf(content_range->value.data, |
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369 "bytes %O-%O/%O", |
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370 range->start, range->end - 1, |
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371 r->headers_out.content_length_n) |
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372 - content_range->value.data; |
| 461 | 373 |
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374 r->headers_out.content_length_n = range->end - range->start; |
| 461 | 375 |
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376 if (r->headers_out.content_length) { |
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377 r->headers_out.content_length->hash = 0; |
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378 r->headers_out.content_length = NULL; |
| 461 | 379 } |
| 380 | |
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381 return ngx_http_next_header_filter(r); |
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382 } |
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383 |
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384 |
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385 static ngx_int_t |
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386 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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387 ngx_http_range_filter_ctx_t *ctx) |
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388 { |
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389 size_t len; |
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390 ngx_uint_t i; |
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391 ngx_http_range_t *range; |
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392 ngx_atomic_uint_t boundary; |
| 461 | 393 |
| 493 | 394 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
| 395 + sizeof(CRLF "Content-Type: ") - 1 | |
| 509 | 396 + r->headers_out.content_type.len |
| 461 | 397 + sizeof(CRLF "Content-Range: bytes ") - 1; |
| 398 | |
| 399 if (r->headers_out.charset.len) { | |
| 400 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
| 401 } | |
| 402 | |
| 2049 | 403 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
| 501 | 404 if (ctx->boundary_header.data == NULL) { |
| 461 | 405 return NGX_ERROR; |
| 406 } | |
| 407 | |
| 493 | 408 boundary = ngx_next_temp_number(0); |
| 461 | 409 |
| 410 /* | |
| 411 * The boundary header of the range: | |
| 412 * CRLF | |
| 413 * "--0123456789" CRLF | |
| 414 * "Content-Type: image/jpeg" CRLF | |
| 415 * "Content-Range: bytes " | |
| 416 */ | |
| 417 | |
| 418 if (r->headers_out.charset.len) { | |
| 419 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
| 493 | 420 CRLF "--%0muA" CRLF |
| 461 | 421 "Content-Type: %V; charset=%V" CRLF |
| 422 "Content-Range: bytes ", | |
| 423 boundary, | |
| 509 | 424 &r->headers_out.content_type, |
| 461 | 425 &r->headers_out.charset) |
| 426 - ctx->boundary_header.data; | |
| 427 | |
| 428 r->headers_out.charset.len = 0; | |
|
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429 |
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430 } else if (r->headers_out.content_type.len) { |
| 461 | 431 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
| 493 | 432 CRLF "--%0muA" CRLF |
| 461 | 433 "Content-Type: %V" CRLF |
| 434 "Content-Range: bytes ", | |
| 435 boundary, | |
| 509 | 436 &r->headers_out.content_type) |
| 461 | 437 - ctx->boundary_header.data; |
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438 |
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439 } else { |
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440 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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441 CRLF "--%0muA" CRLF |
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442 "Content-Range: bytes ", |
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443 boundary) |
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444 - ctx->boundary_header.data; |
| 461 | 445 } |
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446 |
| 509 | 447 r->headers_out.content_type.data = |
| 2049 | 448 ngx_pnalloc(r->pool, |
| 449 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
| 450 + NGX_ATOMIC_T_LEN); | |
|
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451 |
| 509 | 452 if (r->headers_out.content_type.data == NULL) { |
| 461 | 453 return NGX_ERROR; |
| 454 } | |
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455 |
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456 r->headers_out.content_type_lowcase = NULL; |
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457 |
| 461 | 458 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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459 |
| 509 | 460 r->headers_out.content_type.len = |
| 461 ngx_sprintf(r->headers_out.content_type.data, | |
| 493 | 462 "multipart/byteranges; boundary=%0muA", |
| 461 | 463 boundary) |
| 509 | 464 - r->headers_out.content_type.data; |
|
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465 |
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466 r->headers_out.content_type_len = r->headers_out.content_type.len; |
| 493 | 467 |
| 461 | 468 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
| 493 | 469 |
| 470 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
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471 |
|
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472 range = ctx->ranges.elts; |
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473 for (i = 0; i < ctx->ranges.nelts; i++) { |
| 455 | 474 |
| 461 | 475 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
| 455 | 476 |
| 461 | 477 range[i].content_range.data = |
| 2049 | 478 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
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479 |
| 461 | 480 if (range[i].content_range.data == NULL) { |
| 481 return NGX_ERROR; | |
| 482 } | |
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483 |
| 461 | 484 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
| 485 "%O-%O/%O" CRLF CRLF, | |
| 486 range[i].start, range[i].end - 1, | |
| 487 r->headers_out.content_length_n) | |
| 488 - range[i].content_range.data; | |
|
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489 |
| 461 | 490 len += ctx->boundary_header.len + range[i].content_range.len |
| 491 + (size_t) (range[i].end - range[i].start); | |
| 492 } | |
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493 |
| 461 | 494 r->headers_out.content_length_n = len; |
| 960 | 495 |
| 496 if (r->headers_out.content_length) { | |
| 497 r->headers_out.content_length->hash = 0; | |
| 498 r->headers_out.content_length = NULL; | |
| 499 } | |
|
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500 |
|
155
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501 return ngx_http_next_header_filter(r); |
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502 } |
| 1630 | 503 |
| 504 | |
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505 static ngx_int_t |
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506 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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507 { |
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508 ngx_table_elt_t *content_range; |
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509 |
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510 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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511 |
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512 content_range = ngx_list_push(&r->headers_out.headers); |
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513 if (content_range == NULL) { |
| 1630 | 514 return NGX_ERROR; |
| 515 } | |
| 516 | |
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517 r->headers_out.content_range = content_range; |
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518 |
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519 content_range->hash = 1; |
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520 ngx_str_set(&content_range->key, "Content-Range"); |
| 1630 | 521 |
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522 content_range->value.data = ngx_pnalloc(r->pool, |
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523 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
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524 if (content_range->value.data == NULL) { |
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525 return NGX_ERROR; |
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526 } |
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527 |
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528 content_range->value.len = ngx_sprintf(content_range->value.data, |
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529 "bytes */%O", |
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530 r->headers_out.content_length_n) |
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531 - content_range->value.data; |
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532 |
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533 ngx_http_clear_content_length(r); |
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534 |
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535 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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536 } |
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|
537 |
|
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nginx-0.0.1-2003-06-02-19:24:30 import
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|
538 |
| 493 | 539 static ngx_int_t |
| 540 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
|
99
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|
541 { |
|
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|
542 ngx_http_range_filter_ctx_t *ctx; |
|
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|
543 |
|
963
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544 if (in == NULL) { |
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545 return ngx_http_next_body_filter(r, in); |
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546 } |
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547 |
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548 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
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549 |
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550 if (ctx == NULL) { |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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153
diff
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|
551 return ngx_http_next_body_filter(r, in); |
|
99
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552 } |
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|
553 |
|
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554 if (ctx->ranges.nelts == 1) { |
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555 return ngx_http_range_singlepart_body(r, ctx, in); |
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556 } |
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557 |
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558 /* |
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559 * multipart ranges are supported only if whole body is in a single buffer |
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560 */ |
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561 |
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562 if (ngx_buf_special(in->buf)) { |
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563 return ngx_http_next_body_filter(r, in); |
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564 } |
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565 |
|
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566 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
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567 return NGX_ERROR; |
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568 } |
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569 |
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570 return ngx_http_range_multipart_body(r, ctx, in); |
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571 } |
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572 |
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573 |
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574 static ngx_int_t |
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575 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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576 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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577 { |
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578 off_t start, last; |
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579 ngx_buf_t *buf; |
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580 ngx_uint_t i; |
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581 ngx_http_range_t *range; |
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582 |
|
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583 if (ctx->offset) { |
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584 goto overlapped; |
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585 } |
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586 |
|
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587 buf = in->buf; |
| 960 | 588 |
| 589 if (!buf->last_buf) { | |
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590 |
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591 if (buf->in_file) { |
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592 start = buf->file_pos + ctx->offset; |
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593 last = buf->file_last + ctx->offset; |
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594 |
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595 } else { |
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596 start = buf->pos - buf->start + ctx->offset; |
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597 last = buf->last - buf->start + ctx->offset; |
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598 } |
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599 |
|
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600 range = ctx->ranges.elts; |
|
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601 for (i = 0; i < ctx->ranges.nelts; i++) { |
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602 if (start > range[i].start || last < range[i].end) { |
| 960 | 603 goto overlapped; |
| 604 } | |
| 605 } | |
| 606 } | |
| 607 | |
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608 ctx->offset = ngx_buf_size(buf); |
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609 |
|
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610 return NGX_OK; |
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611 |
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612 overlapped: |
| 960 | 613 |
|
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614 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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615 "range in overlapped buffers"); |
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616 |
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617 return NGX_ERROR; |
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618 } |
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619 |
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620 |
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621 static ngx_int_t |
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622 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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623 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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624 { |
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625 off_t start, last; |
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626 ngx_buf_t *buf; |
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627 ngx_chain_t *out, *cl, **ll; |
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628 ngx_http_range_t *range; |
| 960 | 629 |
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630 out = NULL; |
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631 ll = &out; |
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632 range = ctx->ranges.elts; |
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633 |
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634 for (cl = in; cl; cl = cl->next) { |
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635 |
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636 buf = cl->buf; |
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637 |
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638 start = ctx->offset; |
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639 last = ctx->offset + ngx_buf_size(buf); |
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640 |
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641 ctx->offset = last; |
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642 |
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643 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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644 "http range body buf: %O-%O", start, last); |
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645 |
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646 if (ngx_buf_special(buf)) { |
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647 *ll = cl; |
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648 ll = &cl->next; |
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649 continue; |
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650 } |
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651 |
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652 if (range->end <= start || range->start >= last) { |
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653 |
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654 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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655 "http range body skip"); |
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|
656 |
| 2269 | 657 if (buf->in_file) { |
| 658 buf->file_pos = buf->file_last; | |
| 659 } | |
| 660 | |
|
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|
661 buf->pos = buf->last; |
| 2269 | 662 buf->sync = 1; |
| 663 | |
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|
664 continue; |
|
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|
665 } |
|
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666 |
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667 if (range->start > start) { |
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668 |
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|
669 if (buf->in_file) { |
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670 buf->file_pos += range->start - start; |
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671 } |
|
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672 |
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673 if (ngx_buf_in_memory(buf)) { |
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674 buf->pos += (size_t) (range->start - start); |
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675 } |
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676 } |
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677 |
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678 if (range->end <= last) { |
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679 |
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680 if (buf->in_file) { |
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681 buf->file_last -= last - range->end; |
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682 } |
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683 |
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684 if (ngx_buf_in_memory(buf)) { |
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685 buf->last -= (size_t) (last - range->end); |
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686 } |
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|
687 |
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688 buf->last_buf = 1; |
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689 *ll = cl; |
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690 cl->next = NULL; |
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691 |
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|
692 break; |
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|
693 } |
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|
694 |
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695 *ll = cl; |
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696 ll = &cl->next; |
| 960 | 697 } |
| 698 | |
|
2121
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699 if (out == NULL) { |
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700 return NGX_OK; |
|
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|
701 } |
|
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|
702 |
|
2121
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703 return ngx_http_next_body_filter(r, out); |
|
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704 } |
|
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|
705 |
|
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|
706 |
|
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|
707 static ngx_int_t |
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708 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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709 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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710 { |
|
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711 off_t body_start; |
|
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712 ngx_buf_t *b, *buf; |
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|
713 ngx_uint_t i; |
|
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|
714 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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|
715 ngx_http_range_t *range; |
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716 |
| 960 | 717 ll = &out; |
|
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718 buf = in->buf; |
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|
719 range = ctx->ranges.elts; |
|
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720 |
|
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|
721 #if (NGX_HTTP_CACHE) |
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722 body_start = r->cached ? r->cache->body_start : 0; |
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|
723 #else |
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724 body_start = 0; |
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725 #endif |
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|
726 |
|
963
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|
727 for (i = 0; i < ctx->ranges.nelts; i++) { |
|
99
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|
728 |
| 960 | 729 /* |
| 730 * The boundary header of the range: | |
| 731 * CRLF | |
| 732 * "--0123456789" CRLF | |
| 733 * "Content-Type: image/jpeg" CRLF | |
| 734 * "Content-Range: bytes " | |
| 735 */ | |
| 736 | |
| 737 b = ngx_calloc_buf(r->pool); | |
| 738 if (b == NULL) { | |
| 739 return NGX_ERROR; | |
|
99
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|
740 } |
|
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|
741 |
| 960 | 742 b->memory = 1; |
| 743 b->pos = ctx->boundary_header.data; | |
| 744 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
|
160
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|
745 |
| 960 | 746 hcl = ngx_alloc_chain_link(r->pool); |
| 747 if (hcl == NULL) { | |
| 748 return NGX_ERROR; | |
| 749 } | |
| 461 | 750 |
| 960 | 751 hcl->buf = b; |
|
99
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|
752 |
| 461 | 753 |
| 960 | 754 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
|
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|
755 |
| 501 | 756 b = ngx_calloc_buf(r->pool); |
| 757 if (b == NULL) { | |
| 461 | 758 return NGX_ERROR; |
| 759 } | |
| 760 | |
|
343
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|
761 b->temporary = 1; |
| 960 | 762 b->pos = range[i].content_range.data; |
| 763 b->last = range[i].content_range.data + range[i].content_range.len; | |
| 764 | |
| 765 rcl = ngx_alloc_chain_link(r->pool); | |
| 766 if (rcl == NULL) { | |
| 767 return NGX_ERROR; | |
| 768 } | |
| 769 | |
| 770 rcl->buf = b; | |
| 771 | |
| 772 | |
| 773 /* the range data */ | |
| 461 | 774 |
| 960 | 775 b = ngx_calloc_buf(r->pool); |
| 776 if (b == NULL) { | |
| 777 return NGX_ERROR; | |
| 778 } | |
| 779 | |
|
962
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|
780 b->in_file = buf->in_file; |
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|
781 b->temporary = buf->temporary; |
|
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|
782 b->memory = buf->memory; |
|
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|
783 b->mmap = buf->mmap; |
| 960 | 784 b->file = buf->file; |
| 785 | |
|
962
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|
786 if (buf->in_file) { |
|
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|
787 b->file_pos = body_start + range[i].start; |
|
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|
788 b->file_last = body_start + range[i].end; |
|
962
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|
789 } |
|
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|
790 |
|
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|
791 if (ngx_buf_in_memory(buf)) { |
| 1093 | 792 b->pos = buf->start + (size_t) range[i].start; |
| 793 b->last = buf->start + (size_t) range[i].end; | |
|
962
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|
794 } |
|
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|
795 |
| 960 | 796 dcl = ngx_alloc_chain_link(r->pool); |
| 797 if (dcl == NULL) { | |
| 461 | 798 return NGX_ERROR; |
| 799 } | |
| 800 | |
| 960 | 801 dcl->buf = b; |
| 461 | 802 |
|
155
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|
803 *ll = hcl; |
| 960 | 804 hcl->next = rcl; |
| 805 rcl->next = dcl; | |
| 806 ll = &dcl->next; | |
| 807 } | |
|
99
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|
808 |
| 960 | 809 /* the last boundary CRLF "--0123456789--" CRLF */ |
| 810 | |
| 811 b = ngx_calloc_buf(r->pool); | |
| 812 if (b == NULL) { | |
| 813 return NGX_ERROR; | |
| 814 } | |
| 815 | |
| 816 b->temporary = 1; | |
| 817 b->last_buf = 1; | |
| 818 | |
| 2049 | 819 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
| 820 + sizeof("--" CRLF) - 1); | |
| 960 | 821 if (b->pos == NULL) { |
| 822 return NGX_ERROR; | |
|
99
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|
823 } |
|
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diff
changeset
|
824 |
|
1195
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1107
diff
changeset
|
825 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
|
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diff
changeset
|
826 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
| 960 | 827 *b->last++ = '-'; *b->last++ = '-'; |
| 828 *b->last++ = CR; *b->last++ = LF; | |
| 829 | |
| 830 hcl = ngx_alloc_chain_link(r->pool); | |
| 831 if (hcl == NULL) { | |
| 832 return NGX_ERROR; | |
| 833 } | |
| 834 | |
| 835 hcl->buf = b; | |
| 836 hcl->next = NULL; | |
|
99
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|
837 |
| 960 | 838 *ll = hcl; |
| 839 | |
| 840 return ngx_http_next_body_filter(r, out); | |
|
99
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|
841 } |
|
a059e1aa65d4
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parents:
diff
changeset
|
842 |
|
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diff
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|
843 |
| 493 | 844 static ngx_int_t |
| 681 | 845 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
|
99
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|
846 { |
|
155
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|
847 ngx_http_next_header_filter = ngx_http_top_header_filter; |
|
99
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|
848 ngx_http_top_header_filter = ngx_http_range_header_filter; |
|
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diff
changeset
|
849 |
|
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
850 return NGX_OK; |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
851 } |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
852 |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
853 |
| 493 | 854 static ngx_int_t |
| 681 | 855 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
|
856 { |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
857 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
|
858 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
|
859 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
860 return NGX_OK; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
861 } |