Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 4059:cc72e6229416
Unsatisfiable range with start value greater than content length
was not properly skipped. The bug has been introduced in r4057.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 30 Aug 2011 14:25:35 +0000 |
parents | d32a2000b766 |
children | 45de8d258085 |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
99
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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 |
160
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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 { |
963
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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 static 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 */ |
177
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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 */ |
99
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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 | |
334
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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 */ |
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113 |
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114 NULL, /* create main configuration */ |
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115 NULL, /* init main configuration */ |
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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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314
diff
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|
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
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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
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parents:
314
diff
changeset
|
124 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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125 ngx_module_t ngx_http_range_body_filter_module = { |
509 | 126 NGX_MODULE_V1, |
334
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nginx-0.0.3-2004-05-12-09:37:55 import
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314
diff
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127 &ngx_http_range_body_filter_module_ctx, /* module context */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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314
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|
128 NULL, /* module directives */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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314
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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
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parents:
diff
changeset
|
138 }; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
139 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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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
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
changeset
|
142 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
|
143 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
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144 |
493 | 145 static ngx_int_t |
146 ngx_http_range_header_filter(ngx_http_request_t *r) | |
99
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|
147 { |
1630 | 148 time_t if_range; |
99
a059e1aa65d4
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149 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
150 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
151 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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diff
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152 || 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
|
153 || 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
|
154 || r->headers_out.content_length_n == -1 |
581 | 155 || !r->allow_ranges) |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
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parents:
113
diff
changeset
|
156 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
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|
157 return ngx_http_next_header_filter(r); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
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parents:
113
diff
changeset
|
158 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
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parents:
113
diff
changeset
|
159 |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
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parents:
113
diff
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|
160 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
|
161 || r->headers_in.range->value.len < 7 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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diff
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|
162 || ngx_strncasecmp(r->headers_in.range->value.data, |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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diff
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|
163 (u_char *) "bytes=", 6) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
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diff
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|
164 != 0) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
165 { |
1630 | 166 goto next_filter; |
167 } | |
168 | |
169 if (r->headers_in.if_range && r->headers_out.last_modified_time != -1) { | |
170 | |
171 if_range = ngx_http_parse_time(r->headers_in.if_range->value.data, | |
172 r->headers_in.if_range->value.len); | |
117
f6e3c5d019b6
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parents:
113
diff
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|
173 |
1630 | 174 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
175 "http ir:%d lm:%d", | |
176 if_range, r->headers_out.last_modified_time); | |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
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parents:
113
diff
changeset
|
177 |
1630 | 178 if (if_range != r->headers_out.last_modified_time) { |
179 goto next_filter; | |
180 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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|
181 } |
a059e1aa65d4
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|
182 |
963
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diff
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|
183 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
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|
184 if (ctx == NULL) { |
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185 return NGX_ERROR; |
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|
186 } |
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|
187 |
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|
188 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
|
189 != NGX_OK) |
461 | 190 { |
191 return NGX_ERROR; | |
192 } | |
99
a059e1aa65d4
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|
193 |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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diff
changeset
|
194 switch (ngx_http_range_parse(r, ctx)) { |
2118
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195 |
4035
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Now if total size of all ranges is greater than source response size,
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diff
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|
196 case NGX_OK: |
2118
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|
197 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
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|
198 |
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|
199 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
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2536
diff
changeset
|
200 r->headers_out.status_line.len = 0; |
2118
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|
201 |
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|
202 if (ctx->ranges.nelts == 1) { |
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|
203 return ngx_http_range_singlepart_header(r, ctx); |
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|
204 } |
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|
205 |
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|
206 return ngx_http_range_multipart_header(r, ctx); |
4035
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Now if total size of all ranges is greater than source response size,
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|
207 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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diff
changeset
|
208 case NGX_HTTP_RANGE_NOT_SATISFIABLE: |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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parents:
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diff
changeset
|
209 return ngx_http_range_not_satisfiable(r); |
2118
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|
210 |
4035
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Now if total size of all ranges is greater than source response size,
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diff
changeset
|
211 case NGX_ERROR: |
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Now if total size of all ranges is greater than source response size,
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diff
changeset
|
212 return NGX_ERROR; |
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Now if total size of all ranges is greater than source response size,
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changeset
|
213 |
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Now if total size of all ranges is greater than source response size,
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diff
changeset
|
214 default: /* NGX_DECLINED */ |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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diff
changeset
|
215 break; |
2118
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diff
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|
216 } |
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diff
changeset
|
217 |
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changeset
|
218 next_filter: |
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diff
changeset
|
219 |
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|
220 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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diff
changeset
|
221 if (r->headers_out.accept_ranges == NULL) { |
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|
222 return NGX_ERROR; |
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|
223 } |
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diff
changeset
|
224 |
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changeset
|
225 r->headers_out.accept_ranges->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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parents:
3331
diff
changeset
|
226 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
dd1570b6f237
ngx_str_set() and ngx_str_null()
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3331
diff
changeset
|
227 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
2118
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changeset
|
228 |
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|
229 return ngx_http_next_header_filter(r); |
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|
230 } |
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diff
changeset
|
231 |
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diff
changeset
|
232 |
4058
d32a2000b766
ngx_http_range_parse() should be static.
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parents:
4057
diff
changeset
|
233 static ngx_int_t |
2118
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split ngx_http_range_filter_module
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changeset
|
234 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx) |
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changeset
|
235 { |
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diff
changeset
|
236 u_char *p; |
4057
3205a6d6c6ec
Ranges processing small optimization.
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diff
changeset
|
237 off_t start, end, size, content_length; |
2118
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|
238 ngx_uint_t suffix; |
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diff
changeset
|
239 ngx_http_range_t *range; |
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diff
changeset
|
240 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
241 p = r->headers_in.range->value.data + 6; |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
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diff
changeset
|
242 size = 0; |
4057
3205a6d6c6ec
Ranges processing small optimization.
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diff
changeset
|
243 content_length = r->headers_out.content_length_n; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
244 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
245 for ( ;; ) { |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
246 start = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
247 end = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
248 suffix = 0; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
252 if (*p != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
253 if (*p < '0' || *p > '9') { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
254 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
|
255 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
257 while (*p >= '0' && *p <= '9') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
258 start = start * 10 + *p++ - '0'; |
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
|
260 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
261 while (*p == ' ') { p++; } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
262 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
263 if (*p++ != '-') { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
264 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
|
265 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
266 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
267 while (*p == ' ') { p++; } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
268 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
269 if (*p == ',' || *p == '\0') { |
4057
3205a6d6c6ec
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4056
diff
changeset
|
270 end = content_length; |
4055
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
271 goto found; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
272 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
273 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
274 } else { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
275 suffix = 1; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
276 p++; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
277 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
278 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
279 if (*p < '0' || *p > '9') { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
280 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
|
281 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
282 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
283 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
|
284 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
|
285 } |
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 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
288 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
289 if (*p != ',' && *p != '\0') { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
290 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
|
291 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
293 if (suffix) { |
4057
3205a6d6c6ec
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4056
diff
changeset
|
294 start = content_length - end; |
3205a6d6c6ec
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4056
diff
changeset
|
295 end = content_length - 1; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
296 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
297 |
4059
cc72e6229416
Unsatisfiable range with start value greater than content length
Igor Sysoev <igor@sysoev.ru>
parents:
4058
diff
changeset
|
298 if (start >= content_length || start > end) { |
4056
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
299 goto skip; |
99
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 |
4057
3205a6d6c6ec
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4056
diff
changeset
|
302 if (end >= content_length) { |
3205a6d6c6ec
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4056
diff
changeset
|
303 end = content_length; |
4055
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
304 |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
305 } else { |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
306 end++; |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
307 } |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
308 |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
309 found: |
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
310 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
311 range = ngx_array_push(&ctx->ranges); |
501 | 312 if (range == NULL) { |
461 | 313 return NGX_ERROR; |
314 } | |
315 | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
316 range->start = start; |
4055
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
317 range->end = end; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
318 |
4055
9cce506be97d
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4054
diff
changeset
|
319 size += end - start; |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
320 |
4056
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
321 skip: |
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
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 (*p++ != ',') { |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
324 break; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
325 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
326 } |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
327 |
4056
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
328 if (ctx->ranges.nelts == 0) { |
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
329 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
330 } |
e9213133993a
Now unsatisfiable ranges are processed according to RFC 2616.
Igor Sysoev <igor@sysoev.ru>
parents:
4055
diff
changeset
|
331 |
4057
3205a6d6c6ec
Ranges processing small optimization.
Igor Sysoev <igor@sysoev.ru>
parents:
4056
diff
changeset
|
332 if (size > content_length) { |
4035
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
333 return NGX_DECLINED; |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
334 } |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
335 |
c2a91088b0c0
Now if total size of all ranges is greater than source response size,
Igor Sysoev <igor@sysoev.ru>
parents:
3516
diff
changeset
|
336 return NGX_OK; |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
337 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
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 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
341 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
|
342 ngx_http_range_filter_ctx_t *ctx) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
343 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
344 ngx_table_elt_t *content_range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
345 ngx_http_range_t *range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
346 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
347 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
|
348 if (content_range == NULL) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
349 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
350 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
351 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
352 r->headers_out.content_range = content_range; |
461 | 353 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
354 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3331
diff
changeset
|
355 ngx_str_set(&content_range->key, "Content-Range"); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
356 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
357 content_range->value.data = ngx_pnalloc(r->pool, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
358 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
359 if (content_range->value.data == NULL) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
360 return NGX_ERROR; |
461 | 361 } |
362 | |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
363 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 364 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
365 range = ctx->ranges.elts; |
461 | 366 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
367 content_range->value.len = ngx_sprintf(content_range->value.data, |
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368 "bytes %O-%O/%O", |
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369 range->start, range->end - 1, |
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370 r->headers_out.content_length_n) |
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371 - content_range->value.data; |
461 | 372 |
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373 r->headers_out.content_length_n = range->end - range->start; |
461 | 374 |
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375 if (r->headers_out.content_length) { |
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376 r->headers_out.content_length->hash = 0; |
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377 r->headers_out.content_length = NULL; |
461 | 378 } |
379 | |
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380 return ngx_http_next_header_filter(r); |
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381 } |
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382 |
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383 |
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384 static ngx_int_t |
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385 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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386 ngx_http_range_filter_ctx_t *ctx) |
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387 { |
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388 size_t len; |
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389 ngx_uint_t i; |
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390 ngx_http_range_t *range; |
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391 ngx_atomic_uint_t boundary; |
461 | 392 |
493 | 393 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
394 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 395 + r->headers_out.content_type.len |
461 | 396 + sizeof(CRLF "Content-Range: bytes ") - 1; |
397 | |
398 if (r->headers_out.charset.len) { | |
399 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
400 } | |
401 | |
2049 | 402 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 403 if (ctx->boundary_header.data == NULL) { |
461 | 404 return NGX_ERROR; |
405 } | |
406 | |
493 | 407 boundary = ngx_next_temp_number(0); |
461 | 408 |
409 /* | |
410 * The boundary header of the range: | |
411 * CRLF | |
412 * "--0123456789" CRLF | |
413 * "Content-Type: image/jpeg" CRLF | |
414 * "Content-Range: bytes " | |
415 */ | |
416 | |
417 if (r->headers_out.charset.len) { | |
418 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
493 | 419 CRLF "--%0muA" CRLF |
461 | 420 "Content-Type: %V; charset=%V" CRLF |
421 "Content-Range: bytes ", | |
422 boundary, | |
509 | 423 &r->headers_out.content_type, |
461 | 424 &r->headers_out.charset) |
425 - ctx->boundary_header.data; | |
426 | |
427 r->headers_out.charset.len = 0; | |
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428 |
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429 } else if (r->headers_out.content_type.len) { |
461 | 430 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 431 CRLF "--%0muA" CRLF |
461 | 432 "Content-Type: %V" CRLF |
433 "Content-Range: bytes ", | |
434 boundary, | |
509 | 435 &r->headers_out.content_type) |
461 | 436 - ctx->boundary_header.data; |
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437 |
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438 } else { |
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439 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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440 CRLF "--%0muA" CRLF |
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441 "Content-Range: bytes ", |
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442 boundary) |
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443 - ctx->boundary_header.data; |
461 | 444 } |
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445 |
509 | 446 r->headers_out.content_type.data = |
2049 | 447 ngx_pnalloc(r->pool, |
448 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
449 + NGX_ATOMIC_T_LEN); | |
165
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450 |
509 | 451 if (r->headers_out.content_type.data == NULL) { |
461 | 452 return NGX_ERROR; |
453 } | |
99
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454 |
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455 r->headers_out.content_type_lowcase = NULL; |
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456 |
461 | 457 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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458 |
509 | 459 r->headers_out.content_type.len = |
460 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 461 "multipart/byteranges; boundary=%0muA", |
461 | 462 boundary) |
509 | 463 - r->headers_out.content_type.data; |
160
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464 |
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465 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 466 |
461 | 467 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 468 |
469 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
99
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470 |
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471 range = ctx->ranges.elts; |
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472 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 473 |
461 | 474 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 475 |
461 | 476 range[i].content_range.data = |
2049 | 477 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
99
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478 |
461 | 479 if (range[i].content_range.data == NULL) { |
480 return NGX_ERROR; | |
481 } | |
99
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482 |
461 | 483 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
484 "%O-%O/%O" CRLF CRLF, | |
485 range[i].start, range[i].end - 1, | |
486 r->headers_out.content_length_n) | |
487 - range[i].content_range.data; | |
160
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488 |
461 | 489 len += ctx->boundary_header.len + range[i].content_range.len |
490 + (size_t) (range[i].end - range[i].start); | |
491 } | |
99
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492 |
461 | 493 r->headers_out.content_length_n = len; |
960 | 494 |
495 if (r->headers_out.content_length) { | |
496 r->headers_out.content_length->hash = 0; | |
497 r->headers_out.content_length = NULL; | |
498 } | |
99
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499 |
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500 return ngx_http_next_header_filter(r); |
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501 } |
1630 | 502 |
503 | |
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504 static ngx_int_t |
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505 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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506 { |
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507 ngx_table_elt_t *content_range; |
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508 |
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509 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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510 |
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511 content_range = ngx_list_push(&r->headers_out.headers); |
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512 if (content_range == NULL) { |
1630 | 513 return NGX_ERROR; |
514 } | |
515 | |
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516 r->headers_out.content_range = content_range; |
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517 |
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518 content_range->hash = 1; |
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519 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 520 |
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521 content_range->value.data = ngx_pnalloc(r->pool, |
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522 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
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523 if (content_range->value.data == NULL) { |
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524 return NGX_ERROR; |
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525 } |
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526 |
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527 content_range->value.len = ngx_sprintf(content_range->value.data, |
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528 "bytes */%O", |
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529 r->headers_out.content_length_n) |
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530 - content_range->value.data; |
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531 |
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532 ngx_http_clear_content_length(r); |
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533 |
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534 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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535 } |
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536 |
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537 |
493 | 538 static ngx_int_t |
539 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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540 { |
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541 ngx_http_range_filter_ctx_t *ctx; |
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542 |
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543 if (in == NULL) { |
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544 return ngx_http_next_body_filter(r, in); |
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545 } |
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546 |
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547 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
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548 |
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549 if (ctx == NULL) { |
155
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550 return ngx_http_next_body_filter(r, in); |
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551 } |
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552 |
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553 if (ctx->ranges.nelts == 1) { |
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554 return ngx_http_range_singlepart_body(r, ctx, in); |
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diff
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|
555 } |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
556 |
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support several buf's for single-part range
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diff
changeset
|
557 /* |
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support several buf's for single-part range
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diff
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|
558 * multipart ranges are supported only if whole body is in a single buffer |
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|
559 */ |
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diff
changeset
|
560 |
962
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diff
changeset
|
561 if (ngx_buf_special(in->buf)) { |
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diff
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|
562 return ngx_http_next_body_filter(r, in); |
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support ranges for single memory buffer
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diff
changeset
|
563 } |
69754fb59ba1
support ranges for single memory buffer
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diff
changeset
|
564 |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
565 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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parents:
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diff
changeset
|
566 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
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|
567 } |
c1f589732d8c
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diff
changeset
|
568 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
569 return ngx_http_range_multipart_body(r, ctx, in); |
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split ngx_http_range_filter_module
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diff
changeset
|
570 } |
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
571 |
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
572 |
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split ngx_http_range_filter_module
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diff
changeset
|
573 static ngx_int_t |
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split ngx_http_range_filter_module
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diff
changeset
|
574 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
|
575 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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|
576 { |
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split ngx_http_range_filter_module
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diff
changeset
|
577 off_t start, last; |
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split ngx_http_range_filter_module
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changeset
|
578 ngx_buf_t *buf; |
c1f589732d8c
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parents:
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diff
changeset
|
579 ngx_uint_t i; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
580 ngx_http_range_t *range; |
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split ngx_http_range_filter_module
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diff
changeset
|
581 |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
582 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
583 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
584 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
585 |
2118
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diff
changeset
|
586 buf = in->buf; |
960 | 587 |
588 if (!buf->last_buf) { | |
962
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diff
changeset
|
589 |
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support ranges for single memory buffer
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diff
changeset
|
590 if (buf->in_file) { |
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support ranges for single memory buffer
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parents:
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diff
changeset
|
591 start = buf->file_pos + ctx->offset; |
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support ranges for single memory buffer
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parents:
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diff
changeset
|
592 last = buf->file_last + ctx->offset; |
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support ranges for single memory buffer
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diff
changeset
|
593 |
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support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
594 } else { |
69754fb59ba1
support ranges for single memory buffer
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diff
changeset
|
595 start = buf->pos - buf->start + ctx->offset; |
69754fb59ba1
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diff
changeset
|
596 last = buf->last - buf->start + ctx->offset; |
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support ranges for single memory buffer
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changeset
|
597 } |
69754fb59ba1
support ranges for single memory buffer
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parents:
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diff
changeset
|
598 |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
599 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
600 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
601 if (start > range[i].start || last < range[i].end) { |
960 | 602 goto overlapped; |
603 } | |
604 } | |
605 } | |
606 | |
962
69754fb59ba1
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
607 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
608 |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
609 return NGX_OK; |
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split ngx_http_range_filter_module
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diff
changeset
|
610 |
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split ngx_http_range_filter_module
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diff
changeset
|
611 overlapped: |
960 | 612 |
2118
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diff
changeset
|
613 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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split ngx_http_range_filter_module
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diff
changeset
|
614 "range in overlapped buffers"); |
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diff
changeset
|
615 |
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diff
changeset
|
616 return NGX_ERROR; |
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diff
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|
617 } |
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diff
changeset
|
618 |
962
69754fb59ba1
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961
diff
changeset
|
619 |
2118
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parents:
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diff
changeset
|
620 static ngx_int_t |
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diff
changeset
|
621 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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split ngx_http_range_filter_module
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diff
changeset
|
622 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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diff
changeset
|
623 { |
2121
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
624 off_t start, last; |
2118
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diff
changeset
|
625 ngx_buf_t *buf; |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
626 ngx_chain_t *out, *cl, **ll; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
627 ngx_http_range_t *range; |
960 | 628 |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
629 out = NULL; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
630 ll = &out; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
631 range = ctx->ranges.elts; |
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diff
changeset
|
632 |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
633 for (cl = in; cl; cl = cl->next) { |
b39c0040b3e4
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2119
diff
changeset
|
634 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
635 buf = cl->buf; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
636 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
637 start = ctx->offset; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
638 last = ctx->offset + ngx_buf_size(buf); |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
639 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
640 ctx->offset = last; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
641 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
642 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
643 "http range body buf: %O-%O", start, last); |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
644 |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
645 if (ngx_buf_special(buf)) { |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
646 *ll = cl; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
647 ll = &cl->next; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
648 continue; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
649 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
650 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
651 if (range->end <= start || range->start >= last) { |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
652 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
653 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
654 "http range body skip"); |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
655 |
2269 | 656 if (buf->in_file) { |
657 buf->file_pos = buf->file_last; | |
658 } | |
659 | |
2121
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support several buf's for single-part range
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diff
changeset
|
660 buf->pos = buf->last; |
2269 | 661 buf->sync = 1; |
662 | |
2121
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support several buf's for single-part range
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diff
changeset
|
663 continue; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
664 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
665 |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
666 if (range->start > start) { |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
667 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
668 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
669 buf->file_pos += range->start - start; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
670 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
671 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
672 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
673 buf->pos += (size_t) (range->start - start); |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
674 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
675 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
676 |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
677 if (range->end <= 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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diff
changeset
|
679 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
680 buf->file_last -= last - range->end; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
681 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
682 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
683 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
684 buf->last -= (size_t) (last - range->end); |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
685 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
686 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
687 buf->last_buf = 1; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
688 *ll = cl; |
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689 cl->next = NULL; |
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690 |
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691 break; |
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692 } |
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693 |
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694 *ll = cl; |
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695 ll = &cl->next; |
960 | 696 } |
697 | |
2121
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698 if (out == NULL) { |
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699 return NGX_OK; |
2118
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700 } |
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701 |
2121
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702 return ngx_http_next_body_filter(r, out); |
2118
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703 } |
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704 |
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705 |
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706 static ngx_int_t |
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707 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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708 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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709 { |
2592
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710 off_t body_start; |
2118
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711 ngx_buf_t *b, *buf; |
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712 ngx_uint_t i; |
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713 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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714 ngx_http_range_t *range; |
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715 |
960 | 716 ll = &out; |
2118
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717 buf = in->buf; |
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718 range = ctx->ranges.elts; |
160
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719 |
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720 #if (NGX_HTTP_CACHE) |
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721 body_start = r->cached ? r->cache->body_start : 0; |
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722 #else |
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723 body_start = 0; |
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724 #endif |
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725 |
963
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726 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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|
727 |
960 | 728 /* |
729 * The boundary header of the range: | |
730 * CRLF | |
731 * "--0123456789" CRLF | |
732 * "Content-Type: image/jpeg" CRLF | |
733 * "Content-Range: bytes " | |
734 */ | |
735 | |
736 b = ngx_calloc_buf(r->pool); | |
737 if (b == NULL) { | |
738 return NGX_ERROR; | |
99
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|
739 } |
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740 |
960 | 741 b->memory = 1; |
742 b->pos = ctx->boundary_header.data; | |
743 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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744 |
960 | 745 hcl = ngx_alloc_chain_link(r->pool); |
746 if (hcl == NULL) { | |
747 return NGX_ERROR; | |
748 } | |
461 | 749 |
960 | 750 hcl->buf = b; |
99
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751 |
461 | 752 |
960 | 753 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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754 |
501 | 755 b = ngx_calloc_buf(r->pool); |
756 if (b == NULL) { | |
461 | 757 return NGX_ERROR; |
758 } | |
759 | |
343
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760 b->temporary = 1; |
960 | 761 b->pos = range[i].content_range.data; |
762 b->last = range[i].content_range.data + range[i].content_range.len; | |
763 | |
764 rcl = ngx_alloc_chain_link(r->pool); | |
765 if (rcl == NULL) { | |
766 return NGX_ERROR; | |
767 } | |
768 | |
769 rcl->buf = b; | |
770 | |
771 | |
772 /* the range data */ | |
461 | 773 |
960 | 774 b = ngx_calloc_buf(r->pool); |
775 if (b == NULL) { | |
776 return NGX_ERROR; | |
777 } | |
778 | |
962
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779 b->in_file = buf->in_file; |
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780 b->temporary = buf->temporary; |
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781 b->memory = buf->memory; |
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|
782 b->mmap = buf->mmap; |
960 | 783 b->file = buf->file; |
784 | |
962
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|
785 if (buf->in_file) { |
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|
786 b->file_pos = body_start + range[i].start; |
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|
787 b->file_last = body_start + range[i].end; |
962
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|
788 } |
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|
789 |
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|
790 if (ngx_buf_in_memory(buf)) { |
1093 | 791 b->pos = buf->start + (size_t) range[i].start; |
792 b->last = buf->start + (size_t) range[i].end; | |
962
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|
793 } |
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diff
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|
794 |
960 | 795 dcl = ngx_alloc_chain_link(r->pool); |
796 if (dcl == NULL) { | |
461 | 797 return NGX_ERROR; |
798 } | |
799 | |
960 | 800 dcl->buf = b; |
461 | 801 |
155
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|
802 *ll = hcl; |
960 | 803 hcl->next = rcl; |
804 rcl->next = dcl; | |
805 ll = &dcl->next; | |
806 } | |
99
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|
807 |
960 | 808 /* the last boundary CRLF "--0123456789--" CRLF */ |
809 | |
810 b = ngx_calloc_buf(r->pool); | |
811 if (b == NULL) { | |
812 return NGX_ERROR; | |
813 } | |
814 | |
815 b->temporary = 1; | |
816 b->last_buf = 1; | |
817 | |
2049 | 818 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
819 + sizeof("--" CRLF) - 1); | |
960 | 820 if (b->pos == NULL) { |
821 return NGX_ERROR; | |
99
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|
822 } |
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|
823 |
1195
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|
824 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
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|
825 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 826 *b->last++ = '-'; *b->last++ = '-'; |
827 *b->last++ = CR; *b->last++ = LF; | |
828 | |
829 hcl = ngx_alloc_chain_link(r->pool); | |
830 if (hcl == NULL) { | |
831 return NGX_ERROR; | |
832 } | |
833 | |
834 hcl->buf = b; | |
835 hcl->next = NULL; | |
99
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|
836 |
960 | 837 *ll = hcl; |
838 | |
839 return ngx_http_next_body_filter(r, out); | |
99
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|
840 } |
a059e1aa65d4
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|
841 |
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|
842 |
493 | 843 static ngx_int_t |
681 | 844 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
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|
845 { |
155
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|
846 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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|
847 ngx_http_top_header_filter = ngx_http_range_header_filter; |
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|
848 |
334
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|
849 return NGX_OK; |
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|
850 } |
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|
851 |
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|
852 |
493 | 853 static ngx_int_t |
681 | 854 ngx_http_range_body_filter_init(ngx_conf_t *cf) |
334
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|
855 { |
155
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|
856 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
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|
857 ngx_http_top_body_filter = ngx_http_range_body_filter; |
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changeset
|
858 |
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changeset
|
859 return NGX_OK; |
a059e1aa65d4
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parents:
diff
changeset
|
860 } |