Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_range_filter_module.c @ 961:0d5ec8432efc
fix the previous commit
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 29 Dec 2006 07:01:11 +0000 |
parents | 20279ed90b19 |
children | 69754fb59ba1 |
rev | line source |
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1 |
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2 /* |
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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 { |
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48 ngx_str_t boundary_header; |
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49 } ngx_http_range_filter_ctx_t; |
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50 |
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51 |
681 | 52 static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); |
53 static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); | |
99
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54 |
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55 |
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56 static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { |
509 | 57 NULL, /* preconfiguration */ |
681 | 58 ngx_http_range_header_filter_init, /* postconfiguration */ |
177
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59 |
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60 NULL, /* create main configuration */ |
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61 NULL, /* init main configuration */ |
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62 |
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63 NULL, /* create server configuration */ |
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64 NULL, /* merge server configuration */ |
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65 |
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66 NULL, /* create location configuration */ |
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67 NULL, /* merge location configuration */ |
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68 }; |
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69 |
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70 |
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71 ngx_module_t ngx_http_range_header_filter_module = { |
509 | 72 NGX_MODULE_V1, |
334
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73 &ngx_http_range_header_filter_module_ctx, /* module context */ |
99
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74 NULL, /* module directives */ |
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75 NGX_HTTP_MODULE, /* module type */ |
541 | 76 NULL, /* init master */ |
681 | 77 NULL, /* init module */ |
541 | 78 NULL, /* init process */ |
79 NULL, /* init thread */ | |
80 NULL, /* exit thread */ | |
81 NULL, /* exit process */ | |
82 NULL, /* exit master */ | |
83 NGX_MODULE_V1_PADDING | |
334
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84 }; |
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85 |
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86 |
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87 static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { |
509 | 88 NULL, /* preconfiguration */ |
681 | 89 ngx_http_range_body_filter_init, /* postconfiguration */ |
334
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90 |
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91 NULL, /* create main configuration */ |
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92 NULL, /* init main configuration */ |
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93 |
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94 NULL, /* create server configuration */ |
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95 NULL, /* merge server configuration */ |
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96 |
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97 NULL, /* create location configuration */ |
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98 NULL, /* merge location configuration */ |
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99 }; |
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100 |
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101 |
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102 ngx_module_t ngx_http_range_body_filter_module = { |
509 | 103 NGX_MODULE_V1, |
334
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104 &ngx_http_range_body_filter_module_ctx, /* module context */ |
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105 NULL, /* module directives */ |
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106 NGX_HTTP_MODULE, /* module type */ |
541 | 107 NULL, /* init master */ |
681 | 108 NULL, /* init module */ |
541 | 109 NULL, /* init process */ |
110 NULL, /* init thread */ | |
111 NULL, /* exit thread */ | |
112 NULL, /* exit process */ | |
113 NULL, /* exit master */ | |
114 NGX_MODULE_V1_PADDING | |
99
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115 }; |
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116 |
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117 |
155
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118 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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119 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
99
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120 |
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121 |
493 | 122 static ngx_int_t |
123 ngx_http_range_header_filter(ngx_http_request_t *r) | |
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124 { |
290
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125 u_char *p; |
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126 size_t len; |
99
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 off_t start, end; |
461 | 128 ngx_int_t rc; |
129 ngx_uint_t suffix, i; | |
495 | 130 ngx_atomic_uint_t boundary; |
461 | 131 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
|
132 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
|
133 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
|
134 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
135 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
|
136 || r->headers_out.status != NGX_HTTP_OK |
597 | 137 || 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
|
138 || r->headers_out.content_length_n == -1 |
581 | 139 || !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
|
140 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
141 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
|
142 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
143 |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
144 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
|
145 || 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
|
146 || 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
|
147 { |
416
b9bd635011de
nginx-0.0.10-2004-09-06-22:45:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
148 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
|
149 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
|
150 return NGX_ERROR; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
151 } |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
152 |
509 | 153 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
|
154 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
|
155 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
|
156 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
|
157 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
|
158 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
159 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
|
160 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 |
499 | 162 if (ngx_array_init(&r->headers_out.ranges, r->pool, 2, |
959 | 163 sizeof(ngx_http_range_t)) |
164 == NGX_ERROR) | |
461 | 165 { |
166 return NGX_ERROR; | |
167 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
169 rc = 0; |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
170 range = NULL; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 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
|
172 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 for ( ;; ) { |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
174 start = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
175 end = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
176 suffix = 0; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
180 if (*p != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
181 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
|
182 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
|
183 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
184 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
186 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
|
187 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
|
188 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
189 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
190 while (*p == ' ') { p++; } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
191 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
192 if (*p++ != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
193 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
|
194 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
195 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
197 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
|
198 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
|
199 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
200 } |
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 while (*p == ' ') { p++; } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
204 if (*p == ',' || *p == '\0') { |
501 | 205 range = ngx_array_push(&r->headers_out.ranges); |
206 if (range == NULL) { | |
461 | 207 return NGX_ERROR; |
208 } | |
209 | |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
210 range->start = start; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
211 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
|
212 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
213 if (*p++ != ',') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
214 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
215 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
216 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 continue; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
220 } else { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
221 suffix = 1; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
222 p++; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
224 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
225 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
|
226 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
|
227 break; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 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
|
231 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
|
232 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
233 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
234 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
235 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
236 if (*p != ',' && *p != '\0') { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
237 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
|
238 break; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
240 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
241 if (suffix) { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
242 start = r->headers_out.content_length_n - end; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
243 end = r->headers_out.content_length_n - 1; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
244 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
245 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
246 if (start > end) { |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
247 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
|
248 break; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
249 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
250 |
501 | 251 range = ngx_array_push(&r->headers_out.ranges); |
252 if (range == NULL) { | |
461 | 253 return NGX_ERROR; |
254 } | |
255 | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 range->start = start; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
258 if (end >= r->headers_out.content_length_n) { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
259 /* |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
260 * Download Accelerator sends the last byte position |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
261 * that equals to the file length |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
262 */ |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
263 range->end = r->headers_out.content_length_n; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
264 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
265 } else { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
266 range->end = end + 1; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
267 } |
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++ != ',') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
270 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
271 } |
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 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
274 if (rc) { |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
275 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
276 /* rc == NGX_HTTP_RANGE_NOT_SATISFIABLE */ |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
277 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
278 r->headers_out.status = rc; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
279 r->headers_out.ranges.nelts = 0; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
280 |
501 | 281 content_range = ngx_list_push(&r->headers_out.headers); |
282 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
changeset
|
283 return NGX_ERROR; |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
284 } |
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
285 |
461 | 286 r->headers_out.content_range = content_range; |
287 | |
509 | 288 content_range->hash = 1; |
461 | 289 content_range->key.len = sizeof("Content-Range") - 1; |
290 content_range->key.data = (u_char *) "Content-Range"; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 |
501 | 292 content_range->value.data = ngx_palloc(r->pool, |
293 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); | |
461 | 294 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
|
295 return NGX_ERROR; |
3c56e834be46
nginx-0.0.10-2004-09-05-23:54:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
356
diff
changeset
|
296 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
297 |
461 | 298 content_range->value.len = ngx_sprintf(content_range->value.data, |
299 "bytes */%O", | |
300 r->headers_out.content_length_n) | |
301 - 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
|
302 |
577 | 303 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
|
304 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
305 return rc; |
461 | 306 } |
307 | |
308 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; | |
309 | |
310 if (r->headers_out.ranges.nelts == 1) { | |
311 | |
501 | 312 content_range = ngx_list_push(&r->headers_out.headers); |
313 if (content_range == NULL) { | |
461 | 314 return NGX_ERROR; |
315 } | |
316 | |
317 r->headers_out.content_range = content_range; | |
318 | |
509 | 319 content_range->hash = 1; |
461 | 320 content_range->key.len = sizeof("Content-Range") - 1; |
321 content_range->key.data = (u_char *) "Content-Range"; | |
322 | |
323 content_range->value.data = | |
324 ngx_palloc(r->pool, sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); | |
325 if (content_range->value.data == NULL) { | |
326 return NGX_ERROR; | |
327 } | |
328 | |
329 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ | |
330 | |
331 content_range->value.len = ngx_sprintf(content_range->value.data, | |
332 "bytes %O-%O/%O", | |
333 range->start, range->end - 1, | |
334 r->headers_out.content_length_n) | |
335 - content_range->value.data; | |
336 | |
337 r->headers_out.content_length_n = range->end - range->start; | |
338 | |
960 | 339 if (r->headers_out.content_length) { |
340 r->headers_out.content_length->hash = 0; | |
341 r->headers_out.content_length = NULL; | |
342 } | |
343 | |
461 | 344 return ngx_http_next_header_filter(r); |
345 } | |
346 | |
347 | |
348 /* TODO: what if no content_type ?? */ | |
349 | |
501 | 350 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
351 if (ctx == NULL) { | |
352 return NGX_ERROR; | |
353 } | |
577 | 354 |
501 | 355 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
461 | 356 |
357 | |
493 | 358 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
359 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 360 + r->headers_out.content_type.len |
461 | 361 + sizeof(CRLF "Content-Range: bytes ") - 1; |
362 | |
363 if (r->headers_out.charset.len) { | |
364 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
365 } | |
366 | |
501 | 367 ctx->boundary_header.data = ngx_palloc(r->pool, len); |
368 if (ctx->boundary_header.data == NULL) { | |
461 | 369 return NGX_ERROR; |
370 } | |
371 | |
493 | 372 boundary = ngx_next_temp_number(0); |
461 | 373 |
374 /* | |
375 * The boundary header of the range: | |
376 * CRLF | |
377 * "--0123456789" CRLF | |
378 * "Content-Type: image/jpeg" CRLF | |
379 * "Content-Range: bytes " | |
380 */ | |
381 | |
382 if (r->headers_out.charset.len) { | |
383 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
493 | 384 CRLF "--%0muA" CRLF |
461 | 385 "Content-Type: %V; charset=%V" CRLF |
386 "Content-Range: bytes ", | |
387 boundary, | |
509 | 388 &r->headers_out.content_type, |
461 | 389 &r->headers_out.charset) |
390 - ctx->boundary_header.data; | |
391 | |
392 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
|
393 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
394 } else { |
461 | 395 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 396 CRLF "--%0muA" CRLF |
461 | 397 "Content-Type: %V" CRLF |
398 "Content-Range: bytes ", | |
399 boundary, | |
509 | 400 &r->headers_out.content_type) |
461 | 401 - ctx->boundary_header.data; |
402 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
403 |
509 | 404 r->headers_out.content_type.data = |
405 ngx_palloc(r->pool, | |
406 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
407 + 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
|
408 |
509 | 409 if (r->headers_out.content_type.data == NULL) { |
461 | 410 return NGX_ERROR; |
411 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
412 |
461 | 413 /* "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
|
414 |
509 | 415 r->headers_out.content_type.len = |
416 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 417 "multipart/byteranges; boundary=%0muA", |
461 | 418 boundary) |
509 | 419 - 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
|
420 |
493 | 421 |
461 | 422 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 423 |
424 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
|
425 |
461 | 426 range = r->headers_out.ranges.elts; |
427 for (i = 0; i < r->headers_out.ranges.nelts; i++) { | |
455 | 428 |
461 | 429 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 430 |
461 | 431 range[i].content_range.data = |
432 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
|
433 |
461 | 434 if (range[i].content_range.data == NULL) { |
435 return NGX_ERROR; | |
436 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
437 |
461 | 438 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
439 "%O-%O/%O" CRLF CRLF, | |
440 range[i].start, range[i].end - 1, | |
441 r->headers_out.content_length_n) | |
442 - 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
|
443 |
461 | 444 len += ctx->boundary_header.len + range[i].content_range.len |
445 + (size_t) (range[i].end - range[i].start); | |
446 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
447 |
461 | 448 r->headers_out.content_length_n = len; |
960 | 449 |
450 if (r->headers_out.content_length) { | |
451 r->headers_out.content_length->hash = 0; | |
452 r->headers_out.content_length = NULL; | |
453 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
454 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
455 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
|
456 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
457 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
458 |
960 | 459 /* |
460 * TODO: | |
461 * buffer or buffers is in memory | |
462 * range or ranges are overlapped in buffers | |
463 */ | |
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 { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
231
diff
changeset
|
468 ngx_uint_t i; |
960 | 469 ngx_buf_t *b, *buf; |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
470 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
|
471 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
|
472 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
|
473 |
961 | 474 if (in == NULL |
475 || r->headers_out.ranges.nelts == 0 | |
476 || ngx_buf_special(in->buf)) | |
477 { | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
478 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
|
479 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
480 |
960 | 481 range = r->headers_out.ranges.elts; |
482 buf = in->buf; | |
483 | |
484 if (!buf->in_file) { | |
485 goto in_memory; | |
486 } | |
487 | |
488 if (!buf->last_buf) { | |
489 for (i = 0; i < r->headers_out.ranges.nelts; i++) { | |
490 if (buf->file_pos > range[i].start | |
491 || buf->file_last < range[i].end) | |
492 { | |
493 goto overlapped; | |
494 } | |
495 } | |
496 } | |
497 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
498 /* |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
499 * the optimized version for the static files only |
960 | 500 * that are passed in the single file buffer |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
501 */ |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
502 |
960 | 503 if (r->headers_out.ranges.nelts == 1) { |
504 | |
505 buf->file_pos = range->start; | |
506 buf->file_last = range->end; | |
507 | |
508 return ngx_http_next_body_filter(r, in); | |
509 } | |
510 | |
511 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); | |
512 ll = &out; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
513 |
960 | 514 for (i = 0; i < r->headers_out.ranges.nelts; i++) { |
99
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515 |
960 | 516 /* |
517 * The boundary header of the range: | |
518 * CRLF | |
519 * "--0123456789" CRLF | |
520 * "Content-Type: image/jpeg" CRLF | |
521 * "Content-Range: bytes " | |
522 */ | |
523 | |
524 b = ngx_calloc_buf(r->pool); | |
525 if (b == NULL) { | |
526 return NGX_ERROR; | |
99
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Igor Sysoev <igor@sysoev.ru>
parents:
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527 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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528 |
960 | 529 b->memory = 1; |
530 b->pos = ctx->boundary_header.data; | |
531 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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532 |
960 | 533 hcl = ngx_alloc_chain_link(r->pool); |
534 if (hcl == NULL) { | |
535 return NGX_ERROR; | |
536 } | |
461 | 537 |
960 | 538 hcl->buf = b; |
99
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parents:
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539 |
461 | 540 |
960 | 541 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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155
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542 |
501 | 543 b = ngx_calloc_buf(r->pool); |
544 if (b == NULL) { | |
461 | 545 return NGX_ERROR; |
546 } | |
547 | |
343
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548 b->temporary = 1; |
960 | 549 b->pos = range[i].content_range.data; |
550 b->last = range[i].content_range.data + range[i].content_range.len; | |
551 | |
552 rcl = ngx_alloc_chain_link(r->pool); | |
553 if (rcl == NULL) { | |
554 return NGX_ERROR; | |
555 } | |
556 | |
557 rcl->buf = b; | |
558 | |
559 | |
560 /* the range data */ | |
461 | 561 |
960 | 562 b = ngx_calloc_buf(r->pool); |
563 if (b == NULL) { | |
564 return NGX_ERROR; | |
565 } | |
566 | |
567 b->in_file = 1; | |
568 b->file_pos = range[i].start; | |
569 b->file_last = range[i].end; | |
570 b->file = buf->file; | |
571 | |
572 dcl = ngx_alloc_chain_link(r->pool); | |
573 if (dcl == NULL) { | |
461 | 574 return NGX_ERROR; |
575 } | |
576 | |
960 | 577 dcl->buf = b; |
461 | 578 |
155
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579 *ll = hcl; |
960 | 580 hcl->next = rcl; |
581 rcl->next = dcl; | |
582 ll = &dcl->next; | |
583 } | |
99
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584 |
960 | 585 /* the last boundary CRLF "--0123456789--" CRLF */ |
586 | |
587 b = ngx_calloc_buf(r->pool); | |
588 if (b == NULL) { | |
589 return NGX_ERROR; | |
590 } | |
591 | |
592 b->temporary = 1; | |
593 b->last_buf = 1; | |
594 | |
595 b->pos = ngx_palloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN | |
596 + sizeof("--" CRLF) - 1); | |
597 if (b->pos == NULL) { | |
598 return NGX_ERROR; | |
99
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parents:
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599 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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600 |
960 | 601 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, 4 + 10); |
602 *b->last++ = '-'; *b->last++ = '-'; | |
603 *b->last++ = CR; *b->last++ = LF; | |
604 | |
605 hcl = ngx_alloc_chain_link(r->pool); | |
606 if (hcl == NULL) { | |
607 return NGX_ERROR; | |
608 } | |
609 | |
610 hcl->buf = b; | |
611 hcl->next = NULL; | |
99
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612 |
960 | 613 *ll = hcl; |
614 | |
615 return ngx_http_next_body_filter(r, out); | |
616 | |
617 in_memory: | |
618 | |
619 overlapped: | |
620 | |
621 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
622 "range in memory buffer or in overlapped buffers"); | |
623 | |
624 return NGX_ERROR; | |
99
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parents:
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625 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
626 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
627 |
493 | 628 static ngx_int_t |
681 | 629 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
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parents:
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|
630 { |
155
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631 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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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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|
632 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
|
633 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
diff
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|
634 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
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|
635 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
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636 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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parents:
314
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637 |
493 | 638 static ngx_int_t |
681 | 639 ngx_http_range_body_filter_init(ngx_conf_t *cf) |
334
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nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
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|
640 { |
155
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641 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
642 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
|
643 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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644 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
645 } |