Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 2326:805165c6ba2b stable-0.6
r2245 merge:
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author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 20 Nov 2008 17:18:12 +0000 |
parents | 9706372f8916 |
children | 2a92804f4109 |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
99
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
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12 /* |
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13 * the single part format: |
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14 * |
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15 * "HTTP/1.0 206 Partial Content" CRLF |
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16 * ... header ... |
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17 * "Content-Type: image/jpeg" CRLF |
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18 * "Content-Length: SIZE" CRLF |
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19 * "Content-Range: bytes START-END/SIZE" CRLF |
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20 * CRLF |
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21 * ... data ... |
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22 * |
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23 * |
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24 * the mutlipart format: |
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25 * |
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26 * "HTTP/1.0 206 Partial Content" CRLF |
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27 * ... header ... |
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28 * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF |
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29 * CRLF |
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30 * CRLF |
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31 * "--0123456789" CRLF |
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32 * "Content-Type: image/jpeg" CRLF |
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33 * "Content-Range: bytes START0-END0/SIZE" CRLF |
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34 * CRLF |
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35 * ... data ... |
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36 * CRLF |
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37 * "--0123456789" CRLF |
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38 * "Content-Type: image/jpeg" CRLF |
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39 * "Content-Range: bytes START1-END1/SIZE" CRLF |
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40 * CRLF |
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41 * ... data ... |
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42 * CRLF |
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43 * "--0123456789--" CRLF |
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44 */ |
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45 |
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46 |
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47 typedef struct { |
963
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48 off_t start; |
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49 off_t end; |
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50 ngx_str_t content_range; |
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51 } ngx_http_range_t; |
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52 |
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53 |
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54 typedef struct { |
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55 off_t offset; |
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56 ngx_str_t boundary_header; |
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57 ngx_array_t ranges; |
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58 } ngx_http_range_filter_ctx_t; |
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59 |
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60 |
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); | |
99
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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, |
334
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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 */ |
334
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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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Igor Sysoev <igor@sysoev.ru>
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; |
1630 | 137 time_t if_range; |
461 | 138 ngx_int_t rc; |
139 ngx_uint_t suffix, i; | |
495 | 140 ngx_atomic_uint_t boundary; |
461 | 141 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
|
142 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
|
143 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
|
144 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
145 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
|
146 || r->headers_out.status != NGX_HTTP_OK |
597 | 147 || 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
|
148 || r->headers_out.content_length_n == -1 |
581 | 149 || !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
|
150 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
151 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
|
152 } |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
153 |
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
154 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
|
155 || r->headers_in.range->value.len < 7 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
156 || ngx_strncasecmp(r->headers_in.range->value.data, |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
157 (u_char *) "bytes=", 6) |
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1093
diff
changeset
|
158 != 0) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 { |
1630 | 160 goto next_filter; |
161 } | |
162 | |
163 if (r->headers_in.if_range && r->headers_out.last_modified_time != -1) { | |
164 | |
165 if_range = ngx_http_parse_time(r->headers_in.if_range->value.data, | |
166 r->headers_in.if_range->value.len); | |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
167 |
1630 | 168 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
169 "http ir:%d lm:%d", | |
170 if_range, r->headers_out.last_modified_time); | |
117
f6e3c5d019b6
nginx-0.0.1-2003-07-11-19:17:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
113
diff
changeset
|
171 |
1630 | 172 if (if_range != r->headers_out.last_modified_time) { |
173 goto next_filter; | |
174 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
177 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
|
178 if (ctx == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
179 return NGX_ERROR; |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
180 } |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
181 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
182 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
959 | 183 == NGX_ERROR) |
461 | 184 { |
185 return NGX_ERROR; | |
186 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
187 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
188 rc = 0; |
103
6dfda4cf5200
nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
100
diff
changeset
|
189 range = NULL; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 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
|
191 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 for ( ;; ) { |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
193 start = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
194 end = 0; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
195 suffix = 0; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 while (*p == ' ') { p++; } |
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 if (*p != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
200 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
|
201 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
|
202 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
203 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
205 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
|
206 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
|
207 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
208 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
209 while (*p == ' ') { p++; } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
210 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
211 if (*p++ != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
212 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
|
213 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
214 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
216 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
|
217 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
|
218 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
219 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
220 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
221 while (*p == ' ') { p++; } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
223 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
|
224 range = ngx_array_push(&ctx->ranges); |
501 | 225 if (range == NULL) { |
461 | 226 return NGX_ERROR; |
227 } | |
228 | |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
229 range->start = start; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
230 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
|
231 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
232 if (*p++ != ',') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
233 break; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
234 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
235 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
236 continue; |
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 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
239 } else { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
240 suffix = 1; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
241 p++; |
99
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 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
244 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
|
245 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
|
246 break; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
247 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
248 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 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
|
250 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
|
251 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
252 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
253 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
254 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 if (*p != ',' && *p != '\0') { |
a059e1aa65d4
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256 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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257 break; |
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258 } |
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259 |
231
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260 if (suffix) { |
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261 start = r->headers_out.content_length_n - end; |
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262 end = r->headers_out.content_length_n - 1; |
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263 } |
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264 |
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265 if (start > end) { |
99
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266 rc = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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267 break; |
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268 } |
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269 |
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270 range = ngx_array_push(&ctx->ranges); |
501 | 271 if (range == NULL) { |
461 | 272 return NGX_ERROR; |
273 } | |
274 | |
99
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275 range->start = start; |
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276 |
231
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277 if (end >= r->headers_out.content_length_n) { |
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278 /* |
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279 * Download Accelerator sends the last byte position |
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280 * that equals to the file length |
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281 */ |
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282 range->end = r->headers_out.content_length_n; |
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283 |
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284 } else { |
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285 range->end = end + 1; |
99
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286 } |
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287 |
231
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288 if (*p++ != ',') { |
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195
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|
289 break; |
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290 } |
99
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291 } |
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292 |
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293 if (rc) { |
160
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155
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|
294 |
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295 /* rc == NGX_HTTP_RANGE_NOT_SATISFIABLE */ |
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parents:
155
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|
296 |
99
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297 r->headers_out.status = rc; |
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298 |
501 | 299 content_range = ngx_list_push(&r->headers_out.headers); |
300 if (content_range == NULL) { | |
165
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164
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301 return NGX_ERROR; |
894a01c6aea3
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164
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302 } |
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164
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303 |
461 | 304 r->headers_out.content_range = content_range; |
305 | |
509 | 306 content_range->hash = 1; |
461 | 307 content_range->key.len = sizeof("Content-Range") - 1; |
308 content_range->key.data = (u_char *) "Content-Range"; | |
99
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309 |
501 | 310 content_range->value.data = ngx_palloc(r->pool, |
311 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); | |
461 | 312 if (content_range->value.data == NULL) { |
415
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parents:
356
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|
313 return NGX_ERROR; |
3c56e834be46
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parents:
356
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314 } |
99
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315 |
461 | 316 content_range->value.len = ngx_sprintf(content_range->value.data, |
317 "bytes */%O", | |
318 r->headers_out.content_length_n) | |
319 - content_range->value.data; | |
99
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parents:
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|
320 |
577 | 321 ngx_http_clear_content_length(r); |
99
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parents:
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|
322 |
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323 return rc; |
461 | 324 } |
325 | |
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326 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
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327 |
461 | 328 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
329 | |
963
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330 if (ctx->ranges.nelts == 1) { |
461 | 331 |
501 | 332 content_range = ngx_list_push(&r->headers_out.headers); |
333 if (content_range == NULL) { | |
461 | 334 return NGX_ERROR; |
335 } | |
336 | |
337 r->headers_out.content_range = content_range; | |
338 | |
509 | 339 content_range->hash = 1; |
461 | 340 content_range->key.len = sizeof("Content-Range") - 1; |
341 content_range->key.data = (u_char *) "Content-Range"; | |
342 | |
343 content_range->value.data = | |
344 ngx_palloc(r->pool, sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); | |
345 if (content_range->value.data == NULL) { | |
346 return NGX_ERROR; | |
347 } | |
348 | |
349 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ | |
350 | |
351 content_range->value.len = ngx_sprintf(content_range->value.data, | |
352 "bytes %O-%O/%O", | |
353 range->start, range->end - 1, | |
354 r->headers_out.content_length_n) | |
355 - content_range->value.data; | |
356 | |
357 r->headers_out.content_length_n = range->end - range->start; | |
358 | |
960 | 359 if (r->headers_out.content_length) { |
360 r->headers_out.content_length->hash = 0; | |
361 r->headers_out.content_length = NULL; | |
362 } | |
363 | |
461 | 364 return ngx_http_next_header_filter(r); |
365 } | |
366 | |
367 | |
368 /* TODO: what if no content_type ?? */ | |
369 | |
493 | 370 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
371 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 372 + r->headers_out.content_type.len |
461 | 373 + sizeof(CRLF "Content-Range: bytes ") - 1; |
374 | |
375 if (r->headers_out.charset.len) { | |
376 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
377 } | |
378 | |
501 | 379 ctx->boundary_header.data = ngx_palloc(r->pool, len); |
380 if (ctx->boundary_header.data == NULL) { | |
461 | 381 return NGX_ERROR; |
382 } | |
383 | |
493 | 384 boundary = ngx_next_temp_number(0); |
461 | 385 |
386 /* | |
387 * The boundary header of the range: | |
388 * CRLF | |
389 * "--0123456789" CRLF | |
390 * "Content-Type: image/jpeg" CRLF | |
391 * "Content-Range: bytes " | |
392 */ | |
393 | |
394 if (r->headers_out.charset.len) { | |
395 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
493 | 396 CRLF "--%0muA" CRLF |
461 | 397 "Content-Type: %V; charset=%V" CRLF |
398 "Content-Range: bytes ", | |
399 boundary, | |
509 | 400 &r->headers_out.content_type, |
461 | 401 &r->headers_out.charset) |
402 - ctx->boundary_header.data; | |
403 | |
404 r->headers_out.charset.len = 0; | |
99
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parents:
diff
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|
405 |
a059e1aa65d4
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parents:
diff
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|
406 } else { |
461 | 407 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 408 CRLF "--%0muA" CRLF |
461 | 409 "Content-Type: %V" CRLF |
410 "Content-Range: bytes ", | |
411 boundary, | |
509 | 412 &r->headers_out.content_type) |
461 | 413 - ctx->boundary_header.data; |
414 } | |
99
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parents:
diff
changeset
|
415 |
509 | 416 r->headers_out.content_type.data = |
417 ngx_palloc(r->pool, | |
418 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
419 + NGX_ATOMIC_T_LEN); | |
165
894a01c6aea3
nginx-0.0.1-2003-10-29-20:39:05 import
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parents:
164
diff
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|
420 |
509 | 421 if (r->headers_out.content_type.data == NULL) { |
461 | 422 return NGX_ERROR; |
423 } | |
99
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parents:
diff
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|
424 |
461 | 425 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
99
a059e1aa65d4
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parents:
diff
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|
426 |
509 | 427 r->headers_out.content_type.len = |
428 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 429 "multipart/byteranges; boundary=%0muA", |
461 | 430 boundary) |
509 | 431 - r->headers_out.content_type.data; |
160
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parents:
155
diff
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|
432 |
493 | 433 |
461 | 434 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 435 |
436 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
99
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parents:
diff
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|
437 |
963
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diff
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|
438 range = ctx->ranges.elts; |
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diff
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|
439 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 440 |
461 | 441 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 442 |
461 | 443 range[i].content_range.data = |
444 ngx_palloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); | |
99
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parents:
diff
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|
445 |
461 | 446 if (range[i].content_range.data == NULL) { |
447 return NGX_ERROR; | |
448 } | |
99
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parents:
diff
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|
449 |
461 | 450 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
451 "%O-%O/%O" CRLF CRLF, | |
452 range[i].start, range[i].end - 1, | |
453 r->headers_out.content_length_n) | |
454 - range[i].content_range.data; | |
160
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155
diff
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|
455 |
461 | 456 len += ctx->boundary_header.len + range[i].content_range.len |
457 + (size_t) (range[i].end - range[i].start); | |
458 } | |
99
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parents:
diff
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|
459 |
461 | 460 r->headers_out.content_length_n = len; |
960 | 461 |
462 if (r->headers_out.content_length) { | |
463 r->headers_out.content_length->hash = 0; | |
464 r->headers_out.content_length = NULL; | |
465 } | |
99
a059e1aa65d4
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parents:
diff
changeset
|
466 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
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|
467 return ngx_http_next_header_filter(r); |
1630 | 468 |
469 next_filter: | |
470 | |
471 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); | |
472 if (r->headers_out.accept_ranges == NULL) { | |
473 return NGX_ERROR; | |
474 } | |
475 | |
476 r->headers_out.accept_ranges->hash = 1; | |
477 r->headers_out.accept_ranges->key.len = sizeof("Accept-Ranges") - 1; | |
478 r->headers_out.accept_ranges->key.data = (u_char *) "Accept-Ranges"; | |
479 r->headers_out.accept_ranges->value.len = sizeof("bytes") - 1; | |
480 r->headers_out.accept_ranges->value.data = (u_char *) "bytes"; | |
481 | |
482 return ngx_http_next_header_filter(r); | |
99
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parents:
diff
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|
483 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
484 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
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|
485 |
493 | 486 static ngx_int_t |
487 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
488 { |
962
69754fb59ba1
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diff
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|
489 off_t start, last; |
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diff
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|
490 ngx_buf_t *b, *buf; |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
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parents:
231
diff
changeset
|
491 ngx_uint_t i; |
155
46eb23d9471d
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153
diff
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|
492 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
|
493 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
|
494 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
|
495 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
496 if (in == NULL) { |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
497 return ngx_http_next_body_filter(r, in); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
498 } |
78e70dae89f0
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parents:
962
diff
changeset
|
499 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
500 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
501 |
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
502 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
|
503 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
|
504 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
505 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
506 buf = in->buf; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
507 |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
508 if (ngx_buf_special(in->buf)) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
509 return ngx_http_next_body_filter(r, in); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
510 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
511 |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
512 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
513 goto overlapped; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
514 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
515 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
516 range = ctx->ranges.elts; |
960 | 517 |
518 if (!buf->last_buf) { | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
519 |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
520 if (buf->in_file) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
521 start = buf->file_pos + ctx->offset; |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
522 last = buf->file_last + ctx->offset; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
523 |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
524 } else { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
525 start = buf->pos - buf->start + ctx->offset; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
526 last = buf->last - buf->start + ctx->offset; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
527 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
528 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
529 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
530 if (start > range[i].start || last < range[i].end) { |
960 | 531 goto overlapped; |
532 } | |
533 } | |
534 } | |
535 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
536 /* |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
537 * the optimized version for the responses |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
538 * 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
changeset
|
539 */ |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
540 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
541 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
542 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
543 if (ctx->ranges.nelts == 1) { |
960 | 544 |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
545 if (buf->in_file) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
546 buf->file_pos = range->start; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
547 buf->file_last = range->end; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
548 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
549 |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
550 if (ngx_buf_in_memory(buf)) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
551 buf->pos = buf->start + (size_t) range->start; |
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
552 buf->last = buf->start + (size_t) range->end; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
553 } |
960 | 554 |
555 return ngx_http_next_body_filter(r, in); | |
556 } | |
557 | |
558 ll = &out; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
559 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
560 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
|
561 |
960 | 562 /* |
563 * The boundary header of the range: | |
564 * CRLF | |
565 * "--0123456789" CRLF | |
566 * "Content-Type: image/jpeg" CRLF | |
567 * "Content-Range: bytes " | |
568 */ | |
569 | |
570 b = ngx_calloc_buf(r->pool); | |
571 if (b == NULL) { | |
572 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
573 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
574 |
960 | 575 b->memory = 1; |
576 b->pos = ctx->boundary_header.data; | |
577 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
578 |
960 | 579 hcl = ngx_alloc_chain_link(r->pool); |
580 if (hcl == NULL) { | |
581 return NGX_ERROR; | |
582 } | |
461 | 583 |
960 | 584 hcl->buf = b; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
585 |
461 | 586 |
960 | 587 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
588 |
501 | 589 b = ngx_calloc_buf(r->pool); |
590 if (b == NULL) { | |
461 | 591 return NGX_ERROR; |
592 } | |
593 | |
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
|
594 b->temporary = 1; |
960 | 595 b->pos = range[i].content_range.data; |
596 b->last = range[i].content_range.data + range[i].content_range.len; | |
597 | |
598 rcl = ngx_alloc_chain_link(r->pool); | |
599 if (rcl == NULL) { | |
600 return NGX_ERROR; | |
601 } | |
602 | |
603 rcl->buf = b; | |
604 | |
605 | |
606 /* the range data */ | |
461 | 607 |
960 | 608 b = ngx_calloc_buf(r->pool); |
609 if (b == NULL) { | |
610 return NGX_ERROR; | |
611 } | |
612 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
613 b->in_file = buf->in_file; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
614 b->temporary = buf->temporary; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
615 b->memory = buf->memory; |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
616 b->mmap = buf->mmap; |
960 | 617 b->file = buf->file; |
618 | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
619 if (buf->in_file) { |
1093 | 620 b->file_pos = range[i].start; |
621 b->file_last = range[i].end; | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
622 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
623 |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
624 if (ngx_buf_in_memory(buf)) { |
1093 | 625 b->pos = buf->start + (size_t) range[i].start; |
626 b->last = buf->start + (size_t) range[i].end; | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
627 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
628 |
960 | 629 dcl = ngx_alloc_chain_link(r->pool); |
630 if (dcl == NULL) { | |
461 | 631 return NGX_ERROR; |
632 } | |
633 | |
960 | 634 dcl->buf = b; |
461 | 635 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
636 *ll = hcl; |
960 | 637 hcl->next = rcl; |
638 rcl->next = dcl; | |
639 ll = &dcl->next; | |
640 } | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
641 |
960 | 642 /* the last boundary CRLF "--0123456789--" CRLF */ |
643 | |
644 b = ngx_calloc_buf(r->pool); | |
645 if (b == NULL) { | |
646 return NGX_ERROR; | |
647 } | |
648 | |
649 b->temporary = 1; | |
650 b->last_buf = 1; | |
651 | |
652 b->pos = ngx_palloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN | |
653 + sizeof("--" CRLF) - 1); | |
654 if (b->pos == NULL) { | |
655 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
656 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
657 |
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
658 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
659 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 660 *b->last++ = '-'; *b->last++ = '-'; |
661 *b->last++ = CR; *b->last++ = LF; | |
662 | |
663 hcl = ngx_alloc_chain_link(r->pool); | |
664 if (hcl == NULL) { | |
665 return NGX_ERROR; | |
666 } | |
667 | |
668 hcl->buf = b; | |
669 hcl->next = NULL; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
670 |
960 | 671 *ll = hcl; |
672 | |
673 return ngx_http_next_body_filter(r, out); | |
674 | |
675 overlapped: | |
676 | |
677 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
678 "range in overlapped buffers"); |
960 | 679 |
680 return NGX_ERROR; | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
681 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
682 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
683 |
493 | 684 static ngx_int_t |
681 | 685 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
|
686 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
687 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
|
688 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
|
689 |
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
690 return NGX_OK; |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
691 } |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
692 |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
693 |
493 | 694 static ngx_int_t |
681 | 695 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
|
696 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
697 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
|
698 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
|
699 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
700 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
701 } |