Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_range_filter_module.c @ 990:bc232bbdddf9
undo r979
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 08 Jan 2007 18:20:03 +0000 |
parents | 78e70dae89f0 |
children | d0fb2cc2a098 |
rev | line source |
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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 |
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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 |
681 | 61 static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); |
62 static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); | |
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63 |
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64 |
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65 static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { |
509 | 66 NULL, /* preconfiguration */ |
681 | 67 ngx_http_range_header_filter_init, /* postconfiguration */ |
177
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68 |
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69 NULL, /* create main configuration */ |
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70 NULL, /* init main configuration */ |
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71 |
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72 NULL, /* create server configuration */ |
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73 NULL, /* merge server configuration */ |
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74 |
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75 NULL, /* create location configuration */ |
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76 NULL, /* merge location configuration */ |
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77 }; |
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78 |
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79 |
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80 ngx_module_t ngx_http_range_header_filter_module = { |
509 | 81 NGX_MODULE_V1, |
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82 &ngx_http_range_header_filter_module_ctx, /* module context */ |
99
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83 NULL, /* module directives */ |
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84 NGX_HTTP_MODULE, /* module type */ |
541 | 85 NULL, /* init master */ |
681 | 86 NULL, /* init module */ |
541 | 87 NULL, /* init process */ |
88 NULL, /* init thread */ | |
89 NULL, /* exit thread */ | |
90 NULL, /* exit process */ | |
91 NULL, /* exit master */ | |
92 NGX_MODULE_V1_PADDING | |
334
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93 }; |
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94 |
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95 |
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96 static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { |
509 | 97 NULL, /* preconfiguration */ |
681 | 98 ngx_http_range_body_filter_init, /* postconfiguration */ |
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99 |
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100 NULL, /* create main configuration */ |
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101 NULL, /* init main configuration */ |
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102 |
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103 NULL, /* create server configuration */ |
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104 NULL, /* merge server configuration */ |
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105 |
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106 NULL, /* create location configuration */ |
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107 NULL, /* merge location configuration */ |
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108 }; |
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109 |
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110 |
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111 ngx_module_t ngx_http_range_body_filter_module = { |
509 | 112 NGX_MODULE_V1, |
334
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113 &ngx_http_range_body_filter_module_ctx, /* module context */ |
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114 NULL, /* module directives */ |
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115 NGX_HTTP_MODULE, /* module type */ |
541 | 116 NULL, /* init master */ |
681 | 117 NULL, /* init module */ |
541 | 118 NULL, /* init process */ |
119 NULL, /* init thread */ | |
120 NULL, /* exit thread */ | |
121 NULL, /* exit process */ | |
122 NULL, /* exit master */ | |
123 NGX_MODULE_V1_PADDING | |
99
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124 }; |
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125 |
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parents:
diff
changeset
|
126 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
127 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
128 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
|
129 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 |
493 | 131 static ngx_int_t |
132 ngx_http_range_header_filter(ngx_http_request_t *r) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
231
diff
changeset
|
134 u_char *p; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
231
diff
changeset
|
135 size_t len; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 off_t start, end; |
461 | 137 ngx_int_t rc; |
138 ngx_uint_t suffix, i; | |
495 | 139 ngx_atomic_uint_t boundary; |
461 | 140 ngx_table_elt_t *content_range; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 ngx_http_range_t *range; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
144 if (r->http_version < NGX_HTTP_VERSION_10 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 || r->headers_out.status != NGX_HTTP_OK |
597 | 146 || 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
|
147 || r->headers_out.content_length_n == -1 |
581 | 148 || !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
|
149 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
150 return ngx_http_next_header_filter(r); |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
151 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
152 |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
153 if (r->headers_in.range == NULL |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 || r->headers_in.range->value.len < 7 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 || ngx_strncasecmp(r->headers_in.range->value.data, "bytes=", 6) != 0) |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 { |
416
b9bd635011de
nginx-0.0.10-2004-09-06-22:45:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
157 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
415
3c56e834be46
nginx-0.0.10-2004-09-05-23:54:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
158 if (r->headers_out.accept_ranges == NULL) { |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
159 return NGX_ERROR; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
160 } |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
161 |
509 | 162 r->headers_out.accept_ranges->hash = 1; |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
163 r->headers_out.accept_ranges->key.len = sizeof("Accept-Ranges") - 1; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
164 r->headers_out.accept_ranges->key.data = (u_char *) "Accept-Ranges"; |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
165 r->headers_out.accept_ranges->value.len = sizeof("bytes") - 1; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
166 r->headers_out.accept_ranges->value.data = (u_char *) "bytes"; |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
167 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
168 return ngx_http_next_header_filter(r); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
171 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
172 if (ctx == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
173 return NGX_ERROR; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
174 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
175 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
176 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
959 | 177 == NGX_ERROR) |
461 | 178 { |
179 return NGX_ERROR; | |
180 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
182 rc = 0; |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
183 range = NULL; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 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
|
185 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 for ( ;; ) { |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
187 start = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
188 end = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
189 suffix = 0; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
193 if (*p != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
194 if (*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
|
195 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
196 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
197 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
199 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
|
200 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
|
201 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
202 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
203 while (*p == ' ') { p++; } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
204 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
205 if (*p++ != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
206 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
207 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
208 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
210 if (start >= 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
|
211 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
212 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
213 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
214 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
215 while (*p == ' ') { p++; } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
217 if (*p == ',' || *p == '\0') { |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
218 range = ngx_array_push(&ctx->ranges); |
501 | 219 if (range == NULL) { |
461 | 220 return NGX_ERROR; |
221 } | |
222 | |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
223 range->start = start; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
224 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
|
225 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
226 if (*p++ != ',') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
227 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
228 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
229 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 continue; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
231 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
232 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
233 } else { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
234 suffix = 1; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
235 p++; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
236 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
237 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
238 if (*p < '0' || *p > '9') { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
240 break; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
241 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
242 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
243 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
|
244 end = end * 10 + *p++ - '0'; |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
245 } |
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
246 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
247 while (*p == ' ') { p++; } |
a059e1aa65d4
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parents:
diff
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|
248 |
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parents:
diff
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249 if (*p != ',' && *p != '\0') { |
a059e1aa65d4
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parents:
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250 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
251 break; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
252 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
253 |
231
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parents:
195
diff
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|
254 if (suffix) { |
92db0aa1e83f
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parents:
195
diff
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255 start = r->headers_out.content_length_n - end; |
92db0aa1e83f
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parents:
195
diff
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|
256 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
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|
257 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
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|
258 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
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|
259 if (start > end) { |
99
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parents:
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260 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
261 break; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
262 } |
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parents:
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263 |
963
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264 range = ngx_array_push(&ctx->ranges); |
501 | 265 if (range == NULL) { |
461 | 266 return NGX_ERROR; |
267 } | |
268 | |
99
a059e1aa65d4
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parents:
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269 range->start = start; |
a059e1aa65d4
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parents:
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270 |
231
92db0aa1e83f
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parents:
195
diff
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|
271 if (end >= r->headers_out.content_length_n) { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
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272 /* |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
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273 * Download Accelerator sends the last byte position |
92db0aa1e83f
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parents:
195
diff
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274 * that equals to the file length |
92db0aa1e83f
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parents:
195
diff
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275 */ |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
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|
276 range->end = r->headers_out.content_length_n; |
92db0aa1e83f
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Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
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|
277 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
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278 } else { |
92db0aa1e83f
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parents:
195
diff
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|
279 range->end = end + 1; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
280 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
281 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
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|
282 if (*p++ != ',') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
283 break; |
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 } |
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
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parents:
diff
changeset
|
287 if (rc) { |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
288 |
e7e094d34162
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parents:
155
diff
changeset
|
289 /* rc == NGX_HTTP_RANGE_NOT_SATISFIABLE */ |
e7e094d34162
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Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
290 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
291 r->headers_out.status = rc; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
292 |
501 | 293 content_range = ngx_list_push(&r->headers_out.headers); |
294 if (content_range == NULL) { | |
165
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
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|
295 return NGX_ERROR; |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
296 } |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
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|
297 |
461 | 298 r->headers_out.content_range = content_range; |
299 | |
509 | 300 content_range->hash = 1; |
461 | 301 content_range->key.len = sizeof("Content-Range") - 1; |
302 content_range->key.data = (u_char *) "Content-Range"; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
303 |
501 | 304 content_range->value.data = ngx_palloc(r->pool, |
305 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); | |
461 | 306 if (content_range->value.data == NULL) { |
415
3c56e834be46
nginx-0.0.10-2004-09-05-23:54:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
307 return NGX_ERROR; |
3c56e834be46
nginx-0.0.10-2004-09-05-23:54:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
308 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
309 |
461 | 310 content_range->value.len = ngx_sprintf(content_range->value.data, |
311 "bytes */%O", | |
312 r->headers_out.content_length_n) | |
313 - content_range->value.data; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 |
577 | 315 ngx_http_clear_content_length(r); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
316 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
317 return rc; |
461 | 318 } |
319 | |
962
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961
diff
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|
320 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
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|
321 |
461 | 322 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
323 | |
963
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diff
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|
324 if (ctx->ranges.nelts == 1) { |
461 | 325 |
501 | 326 content_range = ngx_list_push(&r->headers_out.headers); |
327 if (content_range == NULL) { | |
461 | 328 return NGX_ERROR; |
329 } | |
330 | |
331 r->headers_out.content_range = content_range; | |
332 | |
509 | 333 content_range->hash = 1; |
461 | 334 content_range->key.len = sizeof("Content-Range") - 1; |
335 content_range->key.data = (u_char *) "Content-Range"; | |
336 | |
337 content_range->value.data = | |
338 ngx_palloc(r->pool, sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); | |
339 if (content_range->value.data == NULL) { | |
340 return NGX_ERROR; | |
341 } | |
342 | |
343 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ | |
344 | |
345 content_range->value.len = ngx_sprintf(content_range->value.data, | |
346 "bytes %O-%O/%O", | |
347 range->start, range->end - 1, | |
348 r->headers_out.content_length_n) | |
349 - content_range->value.data; | |
350 | |
351 r->headers_out.content_length_n = range->end - range->start; | |
352 | |
960 | 353 if (r->headers_out.content_length) { |
354 r->headers_out.content_length->hash = 0; | |
355 r->headers_out.content_length = NULL; | |
356 } | |
357 | |
461 | 358 return ngx_http_next_header_filter(r); |
359 } | |
360 | |
361 | |
362 /* TODO: what if no content_type ?? */ | |
363 | |
493 | 364 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
365 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 366 + r->headers_out.content_type.len |
461 | 367 + sizeof(CRLF "Content-Range: bytes ") - 1; |
368 | |
369 if (r->headers_out.charset.len) { | |
370 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
371 } | |
372 | |
501 | 373 ctx->boundary_header.data = ngx_palloc(r->pool, len); |
374 if (ctx->boundary_header.data == NULL) { | |
461 | 375 return NGX_ERROR; |
376 } | |
377 | |
493 | 378 boundary = ngx_next_temp_number(0); |
461 | 379 |
380 /* | |
381 * The boundary header of the range: | |
382 * CRLF | |
383 * "--0123456789" CRLF | |
384 * "Content-Type: image/jpeg" CRLF | |
385 * "Content-Range: bytes " | |
386 */ | |
387 | |
388 if (r->headers_out.charset.len) { | |
389 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
493 | 390 CRLF "--%0muA" CRLF |
461 | 391 "Content-Type: %V; charset=%V" CRLF |
392 "Content-Range: bytes ", | |
393 boundary, | |
509 | 394 &r->headers_out.content_type, |
461 | 395 &r->headers_out.charset) |
396 - ctx->boundary_header.data; | |
397 | |
398 r->headers_out.charset.len = 0; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
399 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
400 } else { |
461 | 401 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 402 CRLF "--%0muA" CRLF |
461 | 403 "Content-Type: %V" CRLF |
404 "Content-Range: bytes ", | |
405 boundary, | |
509 | 406 &r->headers_out.content_type) |
461 | 407 - ctx->boundary_header.data; |
408 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
409 |
509 | 410 r->headers_out.content_type.data = |
411 ngx_palloc(r->pool, | |
412 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
413 + NGX_ATOMIC_T_LEN); | |
165
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
414 |
509 | 415 if (r->headers_out.content_type.data == NULL) { |
461 | 416 return NGX_ERROR; |
417 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
418 |
461 | 419 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
420 |
509 | 421 r->headers_out.content_type.len = |
422 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 423 "multipart/byteranges; boundary=%0muA", |
461 | 424 boundary) |
509 | 425 - r->headers_out.content_type.data; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
426 |
493 | 427 |
461 | 428 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 429 |
430 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
431 |
963
78e70dae89f0
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parents:
962
diff
changeset
|
432 range = ctx->ranges.elts; |
78e70dae89f0
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962
diff
changeset
|
433 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 434 |
461 | 435 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 436 |
461 | 437 range[i].content_range.data = |
438 ngx_palloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
439 |
461 | 440 if (range[i].content_range.data == NULL) { |
441 return NGX_ERROR; | |
442 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
443 |
461 | 444 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
445 "%O-%O/%O" CRLF CRLF, | |
446 range[i].start, range[i].end - 1, | |
447 r->headers_out.content_length_n) | |
448 - range[i].content_range.data; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
449 |
461 | 450 len += ctx->boundary_header.len + range[i].content_range.len |
451 + (size_t) (range[i].end - range[i].start); | |
452 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
453 |
461 | 454 r->headers_out.content_length_n = len; |
960 | 455 |
456 if (r->headers_out.content_length) { | |
457 r->headers_out.content_length->hash = 0; | |
458 r->headers_out.content_length = NULL; | |
459 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
460 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
461 return ngx_http_next_header_filter(r); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
462 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
463 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
464 |
493 | 465 static ngx_int_t |
466 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
467 { |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
468 off_t start, last; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
469 ngx_buf_t *b, *buf; |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
231
diff
changeset
|
470 ngx_uint_t i; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
471 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
472 ngx_http_range_t *range; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
473 ngx_http_range_filter_ctx_t *ctx; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
474 |
963
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parents:
962
diff
changeset
|
475 if (in == NULL) { |
78e70dae89f0
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diff
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|
476 return ngx_http_next_body_filter(r, in); |
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parents:
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diff
changeset
|
477 } |
78e70dae89f0
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parents:
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diff
changeset
|
478 |
78e70dae89f0
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parents:
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diff
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|
479 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
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parents:
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diff
changeset
|
480 |
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parents:
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diff
changeset
|
481 if (ctx == NULL) { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
482 return ngx_http_next_body_filter(r, in); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
483 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
484 |
962
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support ranges for single memory buffer
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parents:
961
diff
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|
485 buf = in->buf; |
69754fb59ba1
support ranges for single memory buffer
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parents:
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diff
changeset
|
486 |
69754fb59ba1
support ranges for single memory buffer
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diff
changeset
|
487 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
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parents:
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488 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
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parents:
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|
489 } |
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parents:
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diff
changeset
|
490 |
69754fb59ba1
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parents:
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diff
changeset
|
491 if (ctx->offset) { |
69754fb59ba1
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parents:
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diff
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|
492 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
493 } |
69754fb59ba1
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diff
changeset
|
494 |
963
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diff
changeset
|
495 range = ctx->ranges.elts; |
960 | 496 |
497 if (!buf->last_buf) { | |
962
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|
498 |
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diff
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|
499 if (buf->in_file) { |
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parents:
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diff
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|
500 start = buf->file_pos + ctx->offset; |
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diff
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|
501 last = buf->file_last + ctx->offset; |
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|
502 |
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diff
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|
503 } else { |
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parents:
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diff
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|
504 start = buf->pos - buf->start + ctx->offset; |
69754fb59ba1
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|
505 last = buf->last - buf->start + ctx->offset; |
69754fb59ba1
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|
506 } |
69754fb59ba1
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parents:
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diff
changeset
|
507 |
963
78e70dae89f0
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diff
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|
508 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
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diff
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|
509 if (start > range[i].start || last < range[i].end) { |
960 | 510 goto overlapped; |
511 } | |
512 } | |
513 } | |
514 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
515 /* |
962
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diff
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|
516 * the optimized version for the responses |
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|
517 * that are passed in the single buffer |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
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|
518 */ |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
519 |
962
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diff
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|
520 ctx->offset = ngx_buf_size(buf); |
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diff
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|
521 |
963
78e70dae89f0
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diff
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|
522 if (ctx->ranges.nelts == 1) { |
960 | 523 |
962
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524 if (buf->in_file) { |
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parents:
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|
525 buf->file_pos = range->start; |
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|
526 buf->file_last = range->end; |
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|
527 } |
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|
528 |
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|
529 if (ngx_buf_in_memory(buf)) { |
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parents:
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diff
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|
530 buf->pos = buf->start + (size_t) range->start; |
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diff
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|
531 buf->last = buf->start + (size_t) range->end; |
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|
532 } |
960 | 533 |
534 return ngx_http_next_body_filter(r, in); | |
535 } | |
536 | |
537 ll = &out; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
538 |
963
78e70dae89f0
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parents:
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diff
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|
539 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
540 |
960 | 541 /* |
542 * The boundary header of the range: | |
543 * CRLF | |
544 * "--0123456789" CRLF | |
545 * "Content-Type: image/jpeg" CRLF | |
546 * "Content-Range: bytes " | |
547 */ | |
548 | |
549 b = ngx_calloc_buf(r->pool); | |
550 if (b == NULL) { | |
551 return NGX_ERROR; | |
99
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
552 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
553 |
960 | 554 b->memory = 1; |
555 b->pos = ctx->boundary_header.data; | |
556 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
557 |
960 | 558 hcl = ngx_alloc_chain_link(r->pool); |
559 if (hcl == NULL) { | |
560 return NGX_ERROR; | |
561 } | |
461 | 562 |
960 | 563 hcl->buf = b; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
564 |
461 | 565 |
960 | 566 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
567 |
501 | 568 b = ngx_calloc_buf(r->pool); |
569 if (b == NULL) { | |
461 | 570 return NGX_ERROR; |
571 } | |
572 | |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
573 b->temporary = 1; |
960 | 574 b->pos = range[i].content_range.data; |
575 b->last = range[i].content_range.data + range[i].content_range.len; | |
576 | |
577 rcl = ngx_alloc_chain_link(r->pool); | |
578 if (rcl == NULL) { | |
579 return NGX_ERROR; | |
580 } | |
581 | |
582 rcl->buf = b; | |
583 | |
584 | |
585 /* the range data */ | |
461 | 586 |
960 | 587 b = ngx_calloc_buf(r->pool); |
588 if (b == NULL) { | |
589 return NGX_ERROR; | |
590 } | |
591 | |
962
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|
592 b->in_file = buf->in_file; |
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parents:
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diff
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|
593 b->temporary = buf->temporary; |
69754fb59ba1
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parents:
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diff
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|
594 b->memory = buf->memory; |
69754fb59ba1
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parents:
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diff
changeset
|
595 b->mmap = buf->mmap; |
960 | 596 b->file = buf->file; |
597 | |
962
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diff
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|
598 if (buf->in_file) { |
69754fb59ba1
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parents:
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diff
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|
599 buf->file_pos = range[i].start; |
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diff
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|
600 buf->file_last = range[i].end; |
69754fb59ba1
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diff
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|
601 } |
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parents:
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diff
changeset
|
602 |
69754fb59ba1
support ranges for single memory buffer
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parents:
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diff
changeset
|
603 if (ngx_buf_in_memory(buf)) { |
69754fb59ba1
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parents:
961
diff
changeset
|
604 buf->pos = buf->start + (size_t) range[i].start; |
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parents:
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diff
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|
605 buf->last = buf->start + (size_t) range[i].end; |
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parents:
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diff
changeset
|
606 } |
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parents:
961
diff
changeset
|
607 |
960 | 608 dcl = ngx_alloc_chain_link(r->pool); |
609 if (dcl == NULL) { | |
461 | 610 return NGX_ERROR; |
611 } | |
612 | |
960 | 613 dcl->buf = b; |
461 | 614 |
155
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nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
changeset
|
615 *ll = hcl; |
960 | 616 hcl->next = rcl; |
617 rcl->next = dcl; | |
618 ll = &dcl->next; | |
619 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
620 |
960 | 621 /* the last boundary CRLF "--0123456789--" CRLF */ |
622 | |
623 b = ngx_calloc_buf(r->pool); | |
624 if (b == NULL) { | |
625 return NGX_ERROR; | |
626 } | |
627 | |
628 b->temporary = 1; | |
629 b->last_buf = 1; | |
630 | |
631 b->pos = ngx_palloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN | |
632 + sizeof("--" CRLF) - 1); | |
633 if (b->pos == NULL) { | |
634 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
635 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
636 |
960 | 637 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, 4 + 10); |
638 *b->last++ = '-'; *b->last++ = '-'; | |
639 *b->last++ = CR; *b->last++ = LF; | |
640 | |
641 hcl = ngx_alloc_chain_link(r->pool); | |
642 if (hcl == NULL) { | |
643 return NGX_ERROR; | |
644 } | |
645 | |
646 hcl->buf = b; | |
647 hcl->next = NULL; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
648 |
960 | 649 *ll = hcl; |
650 | |
651 return ngx_http_next_body_filter(r, out); | |
652 | |
653 overlapped: | |
654 | |
655 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
962
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diff
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|
656 "range in overlapped buffers"); |
960 | 657 |
658 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
659 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
660 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
661 |
493 | 662 static ngx_int_t |
681 | 663 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
664 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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153
diff
changeset
|
665 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
666 ngx_http_top_header_filter = ngx_http_range_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
667 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
668 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
669 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
changeset
|
670 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
671 |
493 | 672 static ngx_int_t |
681 | 673 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
|
674 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
675 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
|
676 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
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677 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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678 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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679 } |