Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_range_filter_module.c @ 4009:3183165283cc
Fixing proxy_set_body and proxy_pass_request_body with SSL.
Flush flag wasn't set in constructed buffer and this prevented any data
from being actually sent to upstream due to SSL buffering. Make sure
we always set flush in the last buffer we are going to sent.
See here for report:
http://nginx.org/pipermail/nginx-ru/2011-June/041552.html
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 18 Aug 2011 16:34:24 +0000 |
parents | dd1570b6f237 |
children | c2a91088b0c0 fb1375e8b68c |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
99
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
160
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12 /* |
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13 * the single part format: |
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14 * |
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15 * "HTTP/1.0 206 Partial Content" CRLF |
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16 * ... header ... |
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17 * "Content-Type: image/jpeg" CRLF |
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18 * "Content-Length: SIZE" CRLF |
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19 * "Content-Range: bytes START-END/SIZE" CRLF |
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20 * CRLF |
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21 * ... data ... |
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22 * |
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23 * |
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24 * the mutlipart format: |
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25 * |
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26 * "HTTP/1.0 206 Partial Content" CRLF |
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27 * ... header ... |
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28 * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF |
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29 * CRLF |
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30 * CRLF |
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31 * "--0123456789" CRLF |
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32 * "Content-Type: image/jpeg" CRLF |
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33 * "Content-Range: bytes START0-END0/SIZE" CRLF |
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34 * CRLF |
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35 * ... data ... |
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36 * CRLF |
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37 * "--0123456789" CRLF |
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38 * "Content-Type: image/jpeg" CRLF |
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39 * "Content-Range: bytes START1-END1/SIZE" CRLF |
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40 * CRLF |
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41 * ... data ... |
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42 * CRLF |
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43 * "--0123456789--" CRLF |
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44 */ |
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45 |
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46 |
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47 typedef struct { |
963
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48 off_t start; |
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49 off_t end; |
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50 ngx_str_t content_range; |
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51 } ngx_http_range_t; |
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52 |
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53 |
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54 typedef struct { |
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55 off_t offset; |
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56 ngx_str_t boundary_header; |
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57 ngx_array_t ranges; |
99
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58 } ngx_http_range_filter_ctx_t; |
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59 |
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60 |
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61 ngx_int_t ngx_http_range_parse(ngx_http_request_t *r, |
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62 ngx_http_range_filter_ctx_t *ctx); |
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63 static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r, |
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64 ngx_http_range_filter_ctx_t *ctx); |
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65 static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r, |
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66 ngx_http_range_filter_ctx_t *ctx); |
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67 static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r); |
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68 static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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69 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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70 static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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71 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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72 static ngx_int_t ngx_http_range_multipart_body(ngx_http_request_t *r, |
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73 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); |
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74 |
681 | 75 static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); |
76 static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); | |
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77 |
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78 |
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79 static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { |
509 | 80 NULL, /* preconfiguration */ |
681 | 81 ngx_http_range_header_filter_init, /* postconfiguration */ |
177
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82 |
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83 NULL, /* create main configuration */ |
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84 NULL, /* init main configuration */ |
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85 |
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86 NULL, /* create server configuration */ |
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87 NULL, /* merge server configuration */ |
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88 |
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89 NULL, /* create location configuration */ |
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90 NULL, /* merge location configuration */ |
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91 }; |
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92 |
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93 |
334
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94 ngx_module_t ngx_http_range_header_filter_module = { |
509 | 95 NGX_MODULE_V1, |
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96 &ngx_http_range_header_filter_module_ctx, /* module context */ |
99
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97 NULL, /* module directives */ |
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98 NGX_HTTP_MODULE, /* module type */ |
541 | 99 NULL, /* init master */ |
681 | 100 NULL, /* init module */ |
541 | 101 NULL, /* init process */ |
102 NULL, /* init thread */ | |
103 NULL, /* exit thread */ | |
104 NULL, /* exit process */ | |
105 NULL, /* exit master */ | |
106 NGX_MODULE_V1_PADDING | |
334
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107 }; |
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108 |
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109 |
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110 static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { |
509 | 111 NULL, /* preconfiguration */ |
681 | 112 ngx_http_range_body_filter_init, /* postconfiguration */ |
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113 |
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114 NULL, /* create main configuration */ |
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314
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115 NULL, /* init main configuration */ |
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nginx-0.0.3-2004-05-12-09:37:55 import
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314
diff
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116 |
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314
diff
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117 NULL, /* create server configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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314
diff
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118 NULL, /* merge server configuration */ |
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nginx-0.0.3-2004-05-12-09:37:55 import
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314
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119 |
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nginx-0.0.3-2004-05-12-09:37:55 import
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314
diff
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120 NULL, /* create location configuration */ |
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
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314
diff
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121 NULL, /* merge location configuration */ |
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nginx-0.0.3-2004-05-12-09:37:55 import
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122 }; |
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123 |
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124 |
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125 ngx_module_t ngx_http_range_body_filter_module = { |
509 | 126 NGX_MODULE_V1, |
334
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127 &ngx_http_range_body_filter_module_ctx, /* module context */ |
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nginx-0.0.3-2004-05-12-09:37:55 import
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128 NULL, /* module directives */ |
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129 NGX_HTTP_MODULE, /* module type */ |
541 | 130 NULL, /* init master */ |
681 | 131 NULL, /* init module */ |
541 | 132 NULL, /* init process */ |
133 NULL, /* init thread */ | |
134 NULL, /* exit thread */ | |
135 NULL, /* exit process */ | |
136 NULL, /* exit master */ | |
137 NGX_MODULE_V1_PADDING | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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138 }; |
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nginx-0.0.1-2003-06-02-19:24:30 import
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139 |
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parents:
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140 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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153
diff
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141 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
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153
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142 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
99
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parents:
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143 |
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144 |
493 | 145 static ngx_int_t |
146 ngx_http_range_header_filter(ngx_http_request_t *r) | |
99
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147 { |
1630 | 148 time_t if_range; |
461 | 149 ngx_int_t rc; |
99
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150 ngx_http_range_filter_ctx_t *ctx; |
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parents:
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151 |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
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155
diff
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152 if (r->http_version < NGX_HTTP_VERSION_10 |
99
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153 || r->headers_out.status != NGX_HTTP_OK |
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154 || r != r->main |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
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136
diff
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155 || r->headers_out.content_length_n == -1 |
581 | 156 || !r->allow_ranges) |
117
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nginx-0.0.1-2003-07-11-19:17:50 import
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parents:
113
diff
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|
157 { |
155
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158 return ngx_http_next_header_filter(r); |
117
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parents:
113
diff
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|
159 } |
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parents:
113
diff
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|
160 |
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113
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|
161 if (r->headers_in.range == NULL |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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|
162 || r->headers_in.range->value.len < 7 |
1107
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ngx_strcasecmp()/ngx_strncasecmp()
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163 || ngx_strncasecmp(r->headers_in.range->value.data, |
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|
164 (u_char *) "bytes=", 6) |
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|
165 != 0) |
99
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parents:
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|
166 { |
1630 | 167 goto next_filter; |
168 } | |
169 | |
170 if (r->headers_in.if_range && r->headers_out.last_modified_time != -1) { | |
171 | |
172 if_range = ngx_http_parse_time(r->headers_in.if_range->value.data, | |
173 r->headers_in.if_range->value.len); | |
117
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113
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|
174 |
1630 | 175 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
176 "http ir:%d lm:%d", | |
177 if_range, r->headers_out.last_modified_time); | |
117
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parents:
113
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178 |
1630 | 179 if (if_range != r->headers_out.last_modified_time) { |
180 goto next_filter; | |
181 } | |
99
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182 } |
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183 |
963
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|
184 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); |
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185 if (ctx == NULL) { |
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186 return NGX_ERROR; |
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187 } |
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|
188 |
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189 if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) |
2536
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small optimization: " == NGX_ERROR" > " != NGX_OK"
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2269
diff
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|
190 != NGX_OK) |
461 | 191 { |
192 return NGX_ERROR; | |
193 } | |
99
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194 |
2118
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195 rc = ngx_http_range_parse(r, ctx); |
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196 |
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197 if (rc == NGX_OK) { |
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198 |
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199 ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); |
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200 |
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201 r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; |
2592
3a8a53c0c42f
a prelimiary proxy cache support
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2536
diff
changeset
|
202 r->headers_out.status_line.len = 0; |
2118
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203 |
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|
204 if (ctx->ranges.nelts == 1) { |
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205 return ngx_http_range_singlepart_header(r, ctx); |
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|
206 } |
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|
207 |
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208 return ngx_http_range_multipart_header(r, ctx); |
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|
209 } |
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|
210 |
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|
211 if (rc == NGX_HTTP_RANGE_NOT_SATISFIABLE) { |
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|
212 return ngx_http_range_not_satisfiable(r); |
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|
213 } |
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|
214 |
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|
215 /* rc == NGX_ERROR */ |
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|
216 |
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217 return rc; |
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|
218 |
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|
219 next_filter: |
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220 |
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221 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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222 if (r->headers_out.accept_ranges == NULL) { |
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223 return NGX_ERROR; |
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|
224 } |
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|
225 |
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|
226 r->headers_out.accept_ranges->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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3331
diff
changeset
|
227 ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); |
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|
228 ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); |
2118
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|
229 |
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230 return ngx_http_next_header_filter(r); |
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|
231 } |
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|
232 |
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|
233 |
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|
234 ngx_int_t |
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|
235 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx) |
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|
236 { |
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|
237 u_char *p; |
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|
238 off_t start, end; |
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|
239 ngx_uint_t suffix; |
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|
240 ngx_http_range_t *range; |
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|
241 |
99
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diff
changeset
|
242 p = r->headers_in.range->value.data + 6; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
243 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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diff
changeset
|
244 for ( ;; ) { |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
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parents:
195
diff
changeset
|
245 start = 0; |
92db0aa1e83f
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195
diff
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|
246 end = 0; |
92db0aa1e83f
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parents:
195
diff
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|
247 suffix = 0; |
99
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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 == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
251 if (*p != '-') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
252 if (*p < '0' || *p > '9') { |
2118
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parents:
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253 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
254 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
255 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
256 while (*p >= '0' && *p <= '9') { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
257 start = start * 10 + *p++ - '0'; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
258 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
259 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
260 while (*p == ' ') { p++; } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
261 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
262 if (*p++ != '-') { |
2118
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parents:
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diff
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|
263 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
264 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
265 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
266 if (start >= r->headers_out.content_length_n) { |
2118
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split ngx_http_range_filter_module
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parents:
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diff
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|
267 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
268 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
269 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
270 while (*p == ' ') { p++; } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
271 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
272 if (*p == ',' || *p == '\0') { |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
273 range = ngx_array_push(&ctx->ranges); |
501 | 274 if (range == NULL) { |
461 | 275 return NGX_ERROR; |
276 } | |
277 | |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
278 range->start = start; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
279 range->end = r->headers_out.content_length_n; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
280 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
281 if (*p++ != ',') { |
2118
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282 return NGX_OK; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
283 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
284 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
285 continue; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
286 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
288 } else { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
289 suffix = 1; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
290 p++; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
291 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
292 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
293 if (*p < '0' || *p > '9') { |
2118
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split ngx_http_range_filter_module
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parents:
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diff
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|
294 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
295 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
296 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
297 while (*p >= '0' && *p <= '9') { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
298 end = end * 10 + *p++ - '0'; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
299 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
300 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
301 while (*p == ' ') { p++; } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
302 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
303 if (*p != ',' && *p != '\0') { |
2118
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
304 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
305 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
306 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
307 if (suffix) { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
308 start = r->headers_out.content_length_n - end; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
309 end = r->headers_out.content_length_n - 1; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
310 } |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
311 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
312 if (start > end) { |
2118
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split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
313 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
315 |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
316 range = ngx_array_push(&ctx->ranges); |
501 | 317 if (range == NULL) { |
461 | 318 return NGX_ERROR; |
319 } | |
320 | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
321 range->start = start; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
322 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
323 if (end >= r->headers_out.content_length_n) { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
324 /* |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
325 * Download Accelerator sends the last byte position |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
326 * that equals to the file length |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
327 */ |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
328 range->end = r->headers_out.content_length_n; |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
329 |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
330 } else { |
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
331 range->end = end + 1; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
332 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
333 |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
334 if (*p++ != ',') { |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
335 return NGX_OK; |
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
336 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
337 } |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
338 } |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
339 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
340 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
341 static ngx_int_t |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
342 ngx_http_range_singlepart_header(ngx_http_request_t *r, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
343 ngx_http_range_filter_ctx_t *ctx) |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
344 { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
345 ngx_table_elt_t *content_range; |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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diff
changeset
|
346 ngx_http_range_t *range; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
347 |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
348 content_range = ngx_list_push(&r->headers_out.headers); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
349 if (content_range == NULL) { |
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
350 return NGX_ERROR; |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
351 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
352 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
353 r->headers_out.content_range = content_range; |
461 | 354 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
355 content_range->hash = 1; |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
Igor Sysoev <igor@sysoev.ru>
parents:
3331
diff
changeset
|
356 ngx_str_set(&content_range->key, "Content-Range"); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
357 |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
358 content_range->value.data = ngx_pnalloc(r->pool, |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
359 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
360 if (content_range->value.data == NULL) { |
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
361 return NGX_ERROR; |
461 | 362 } |
363 | |
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
364 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
461 | 365 |
2118
c1f589732d8c
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366 range = ctx->ranges.elts; |
461 | 367 |
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368 content_range->value.len = ngx_sprintf(content_range->value.data, |
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369 "bytes %O-%O/%O", |
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370 range->start, range->end - 1, |
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371 r->headers_out.content_length_n) |
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372 - content_range->value.data; |
461 | 373 |
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374 r->headers_out.content_length_n = range->end - range->start; |
461 | 375 |
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376 if (r->headers_out.content_length) { |
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377 r->headers_out.content_length->hash = 0; |
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378 r->headers_out.content_length = NULL; |
461 | 379 } |
380 | |
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381 return ngx_http_next_header_filter(r); |
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382 } |
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383 |
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384 |
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385 static ngx_int_t |
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386 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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387 ngx_http_range_filter_ctx_t *ctx) |
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388 { |
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389 size_t len; |
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390 ngx_uint_t i; |
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391 ngx_http_range_t *range; |
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392 ngx_atomic_uint_t boundary; |
461 | 393 |
493 | 394 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
395 + sizeof(CRLF "Content-Type: ") - 1 | |
509 | 396 + r->headers_out.content_type.len |
461 | 397 + sizeof(CRLF "Content-Range: bytes ") - 1; |
398 | |
399 if (r->headers_out.charset.len) { | |
400 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
401 } | |
402 | |
2049 | 403 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
501 | 404 if (ctx->boundary_header.data == NULL) { |
461 | 405 return NGX_ERROR; |
406 } | |
407 | |
493 | 408 boundary = ngx_next_temp_number(0); |
461 | 409 |
410 /* | |
411 * The boundary header of the range: | |
412 * CRLF | |
413 * "--0123456789" CRLF | |
414 * "Content-Type: image/jpeg" CRLF | |
415 * "Content-Range: bytes " | |
416 */ | |
417 | |
418 if (r->headers_out.charset.len) { | |
419 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
493 | 420 CRLF "--%0muA" CRLF |
461 | 421 "Content-Type: %V; charset=%V" CRLF |
422 "Content-Range: bytes ", | |
423 boundary, | |
509 | 424 &r->headers_out.content_type, |
461 | 425 &r->headers_out.charset) |
426 - ctx->boundary_header.data; | |
427 | |
428 r->headers_out.charset.len = 0; | |
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429 |
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430 } else if (r->headers_out.content_type.len) { |
461 | 431 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
493 | 432 CRLF "--%0muA" CRLF |
461 | 433 "Content-Type: %V" CRLF |
434 "Content-Range: bytes ", | |
435 boundary, | |
509 | 436 &r->headers_out.content_type) |
461 | 437 - ctx->boundary_header.data; |
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438 |
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439 } else { |
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440 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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441 CRLF "--%0muA" CRLF |
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442 "Content-Range: bytes ", |
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443 boundary) |
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444 - ctx->boundary_header.data; |
461 | 445 } |
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446 |
509 | 447 r->headers_out.content_type.data = |
2049 | 448 ngx_pnalloc(r->pool, |
449 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
450 + NGX_ATOMIC_T_LEN); | |
165
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451 |
509 | 452 if (r->headers_out.content_type.data == NULL) { |
461 | 453 return NGX_ERROR; |
454 } | |
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455 |
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456 r->headers_out.content_type_lowcase = NULL; |
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457 |
461 | 458 /* "Content-Type: multipart/byteranges; boundary=0123456789" */ |
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459 |
509 | 460 r->headers_out.content_type.len = |
461 ngx_sprintf(r->headers_out.content_type.data, | |
493 | 462 "multipart/byteranges; boundary=%0muA", |
461 | 463 boundary) |
509 | 464 - r->headers_out.content_type.data; |
160
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465 |
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466 r->headers_out.content_type_len = r->headers_out.content_type.len; |
493 | 467 |
461 | 468 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
493 | 469 |
470 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
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471 |
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472 range = ctx->ranges.elts; |
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473 for (i = 0; i < ctx->ranges.nelts; i++) { |
455 | 474 |
461 | 475 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
455 | 476 |
461 | 477 range[i].content_range.data = |
2049 | 478 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
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479 |
461 | 480 if (range[i].content_range.data == NULL) { |
481 return NGX_ERROR; | |
482 } | |
99
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483 |
461 | 484 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
485 "%O-%O/%O" CRLF CRLF, | |
486 range[i].start, range[i].end - 1, | |
487 r->headers_out.content_length_n) | |
488 - range[i].content_range.data; | |
160
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489 |
461 | 490 len += ctx->boundary_header.len + range[i].content_range.len |
491 + (size_t) (range[i].end - range[i].start); | |
492 } | |
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493 |
461 | 494 r->headers_out.content_length_n = len; |
960 | 495 |
496 if (r->headers_out.content_length) { | |
497 r->headers_out.content_length->hash = 0; | |
498 r->headers_out.content_length = NULL; | |
499 } | |
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500 |
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501 return ngx_http_next_header_filter(r); |
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502 } |
1630 | 503 |
504 | |
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505 static ngx_int_t |
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506 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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507 { |
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508 ngx_table_elt_t *content_range; |
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509 |
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510 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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511 |
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512 content_range = ngx_list_push(&r->headers_out.headers); |
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513 if (content_range == NULL) { |
1630 | 514 return NGX_ERROR; |
515 } | |
516 | |
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517 r->headers_out.content_range = content_range; |
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518 |
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519 content_range->hash = 1; |
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520 ngx_str_set(&content_range->key, "Content-Range"); |
1630 | 521 |
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522 content_range->value.data = ngx_pnalloc(r->pool, |
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523 sizeof("bytes */") - 1 + NGX_OFF_T_LEN); |
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524 if (content_range->value.data == NULL) { |
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525 return NGX_ERROR; |
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526 } |
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527 |
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528 content_range->value.len = ngx_sprintf(content_range->value.data, |
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529 "bytes */%O", |
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530 r->headers_out.content_length_n) |
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531 - content_range->value.data; |
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532 |
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533 ngx_http_clear_content_length(r); |
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534 |
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535 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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536 } |
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537 |
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538 |
493 | 539 static ngx_int_t |
540 ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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541 { |
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542 ngx_http_range_filter_ctx_t *ctx; |
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543 |
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544 if (in == NULL) { |
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545 return ngx_http_next_body_filter(r, in); |
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546 } |
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547 |
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548 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
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549 |
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550 if (ctx == NULL) { |
155
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551 return ngx_http_next_body_filter(r, in); |
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552 } |
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553 |
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diff
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|
554 if (ctx->ranges.nelts == 1) { |
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support several buf's for single-part range
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|
555 return ngx_http_range_singlepart_body(r, ctx, in); |
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support several buf's for single-part range
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|
556 } |
b39c0040b3e4
support several buf's for single-part range
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diff
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|
557 |
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support several buf's for single-part range
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diff
changeset
|
558 /* |
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support several buf's for single-part range
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diff
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|
559 * multipart ranges are supported only if whole body is in a single buffer |
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|
560 */ |
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diff
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|
561 |
962
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diff
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|
562 if (ngx_buf_special(in->buf)) { |
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diff
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|
563 return ngx_http_next_body_filter(r, in); |
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|
564 } |
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support ranges for single memory buffer
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diff
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|
565 |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
566 if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { |
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split ngx_http_range_filter_module
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|
567 return NGX_ERROR; |
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split ngx_http_range_filter_module
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|
568 } |
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diff
changeset
|
569 |
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split ngx_http_range_filter_module
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diff
changeset
|
570 return ngx_http_range_multipart_body(r, ctx, in); |
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split ngx_http_range_filter_module
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|
571 } |
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split ngx_http_range_filter_module
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diff
changeset
|
572 |
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split ngx_http_range_filter_module
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diff
changeset
|
573 |
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split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
574 static ngx_int_t |
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split ngx_http_range_filter_module
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changeset
|
575 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
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split ngx_http_range_filter_module
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diff
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|
576 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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|
577 { |
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diff
changeset
|
578 off_t start, last; |
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split ngx_http_range_filter_module
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diff
changeset
|
579 ngx_buf_t *buf; |
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
580 ngx_uint_t i; |
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split ngx_http_range_filter_module
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diff
changeset
|
581 ngx_http_range_t *range; |
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split ngx_http_range_filter_module
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diff
changeset
|
582 |
962
69754fb59ba1
support ranges for single memory buffer
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961
diff
changeset
|
583 if (ctx->offset) { |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
584 goto overlapped; |
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support ranges for single memory buffer
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diff
changeset
|
585 } |
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
586 |
2118
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diff
changeset
|
587 buf = in->buf; |
960 | 588 |
589 if (!buf->last_buf) { | |
962
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diff
changeset
|
590 |
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support ranges for single memory buffer
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diff
changeset
|
591 if (buf->in_file) { |
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diff
changeset
|
592 start = buf->file_pos + ctx->offset; |
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diff
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|
593 last = buf->file_last + ctx->offset; |
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support ranges for single memory buffer
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changeset
|
594 |
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support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
595 } else { |
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diff
changeset
|
596 start = buf->pos - buf->start + ctx->offset; |
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diff
changeset
|
597 last = buf->last - buf->start + ctx->offset; |
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changeset
|
598 } |
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support ranges for single memory buffer
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parents:
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diff
changeset
|
599 |
2118
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diff
changeset
|
600 range = ctx->ranges.elts; |
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
601 for (i = 0; i < ctx->ranges.nelts; i++) { |
962
69754fb59ba1
support ranges for single memory buffer
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parents:
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diff
changeset
|
602 if (start > range[i].start || last < range[i].end) { |
960 | 603 goto overlapped; |
604 } | |
605 } | |
606 } | |
607 | |
962
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961
diff
changeset
|
608 ctx->offset = ngx_buf_size(buf); |
69754fb59ba1
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961
diff
changeset
|
609 |
2118
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diff
changeset
|
610 return NGX_OK; |
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diff
changeset
|
611 |
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diff
changeset
|
612 overlapped: |
960 | 613 |
2118
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diff
changeset
|
614 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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diff
changeset
|
615 "range in overlapped buffers"); |
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diff
changeset
|
616 |
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diff
changeset
|
617 return NGX_ERROR; |
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|
618 } |
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diff
changeset
|
619 |
962
69754fb59ba1
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961
diff
changeset
|
620 |
2118
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parents:
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diff
changeset
|
621 static ngx_int_t |
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diff
changeset
|
622 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
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split ngx_http_range_filter_module
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diff
changeset
|
623 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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diff
changeset
|
624 { |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
625 off_t start, last; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
626 ngx_buf_t *buf; |
2121
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support several buf's for single-part range
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2119
diff
changeset
|
627 ngx_chain_t *out, *cl, **ll; |
2118
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split ngx_http_range_filter_module
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diff
changeset
|
628 ngx_http_range_t *range; |
960 | 629 |
2121
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
630 out = NULL; |
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support several buf's for single-part range
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diff
changeset
|
631 ll = &out; |
2118
c1f589732d8c
split ngx_http_range_filter_module
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diff
changeset
|
632 range = ctx->ranges.elts; |
c1f589732d8c
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diff
changeset
|
633 |
2121
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
634 for (cl = in; cl; cl = cl->next) { |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
635 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
636 buf = cl->buf; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
637 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
638 start = ctx->offset; |
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support several buf's for single-part range
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diff
changeset
|
639 last = ctx->offset + ngx_buf_size(buf); |
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support several buf's for single-part range
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2119
diff
changeset
|
640 |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
641 ctx->offset = last; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
642 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
643 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
644 "http range body buf: %O-%O", start, last); |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
645 |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
646 if (ngx_buf_special(buf)) { |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
647 *ll = cl; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
648 ll = &cl->next; |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
649 continue; |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
650 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
651 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
652 if (range->end <= start || range->start >= last) { |
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
653 |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
654 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
655 "http range body skip"); |
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support several buf's for single-part range
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2119
diff
changeset
|
656 |
2269 | 657 if (buf->in_file) { |
658 buf->file_pos = buf->file_last; | |
659 } | |
660 | |
2121
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support several buf's for single-part range
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diff
changeset
|
661 buf->pos = buf->last; |
2269 | 662 buf->sync = 1; |
663 | |
2121
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support several buf's for single-part range
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diff
changeset
|
664 continue; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
665 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
666 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
667 if (range->start > start) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
668 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
669 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
670 buf->file_pos += range->start - start; |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
671 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
672 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
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2119
diff
changeset
|
673 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
674 buf->pos += (size_t) (range->start - start); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
675 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
676 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
677 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
678 if (range->end <= last) { |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
679 |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
680 if (buf->in_file) { |
b39c0040b3e4
support several buf's for single-part range
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diff
changeset
|
681 buf->file_last -= last - range->end; |
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support several buf's for single-part range
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2119
diff
changeset
|
682 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
683 |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
684 if (ngx_buf_in_memory(buf)) { |
b39c0040b3e4
support several buf's for single-part range
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2119
diff
changeset
|
685 buf->last -= (size_t) (last - range->end); |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
686 } |
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
687 |
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688 buf->last_buf = 1; |
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689 *ll = cl; |
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690 cl->next = NULL; |
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691 |
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692 break; |
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693 } |
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694 |
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695 *ll = cl; |
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696 ll = &cl->next; |
960 | 697 } |
698 | |
2121
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699 if (out == NULL) { |
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700 return NGX_OK; |
2118
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701 } |
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702 |
2121
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703 return ngx_http_next_body_filter(r, out); |
2118
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704 } |
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705 |
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706 |
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707 static ngx_int_t |
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708 ngx_http_range_multipart_body(ngx_http_request_t *r, |
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709 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
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710 { |
2592
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711 off_t body_start; |
2118
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712 ngx_buf_t *b, *buf; |
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713 ngx_uint_t i; |
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714 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
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715 ngx_http_range_t *range; |
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716 |
960 | 717 ll = &out; |
2118
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718 buf = in->buf; |
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719 range = ctx->ranges.elts; |
160
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720 |
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721 #if (NGX_HTTP_CACHE) |
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722 body_start = r->cached ? r->cache->body_start : 0; |
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723 #else |
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724 body_start = 0; |
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725 #endif |
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726 |
963
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727 for (i = 0; i < ctx->ranges.nelts; i++) { |
99
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728 |
960 | 729 /* |
730 * The boundary header of the range: | |
731 * CRLF | |
732 * "--0123456789" CRLF | |
733 * "Content-Type: image/jpeg" CRLF | |
734 * "Content-Range: bytes " | |
735 */ | |
736 | |
737 b = ngx_calloc_buf(r->pool); | |
738 if (b == NULL) { | |
739 return NGX_ERROR; | |
99
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740 } |
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741 |
960 | 742 b->memory = 1; |
743 b->pos = ctx->boundary_header.data; | |
744 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
160
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745 |
960 | 746 hcl = ngx_alloc_chain_link(r->pool); |
747 if (hcl == NULL) { | |
748 return NGX_ERROR; | |
749 } | |
461 | 750 |
960 | 751 hcl->buf = b; |
99
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752 |
461 | 753 |
960 | 754 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
160
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755 |
501 | 756 b = ngx_calloc_buf(r->pool); |
757 if (b == NULL) { | |
461 | 758 return NGX_ERROR; |
759 } | |
760 | |
343
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761 b->temporary = 1; |
960 | 762 b->pos = range[i].content_range.data; |
763 b->last = range[i].content_range.data + range[i].content_range.len; | |
764 | |
765 rcl = ngx_alloc_chain_link(r->pool); | |
766 if (rcl == NULL) { | |
767 return NGX_ERROR; | |
768 } | |
769 | |
770 rcl->buf = b; | |
771 | |
772 | |
773 /* the range data */ | |
461 | 774 |
960 | 775 b = ngx_calloc_buf(r->pool); |
776 if (b == NULL) { | |
777 return NGX_ERROR; | |
778 } | |
779 | |
962
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780 b->in_file = buf->in_file; |
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781 b->temporary = buf->temporary; |
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782 b->memory = buf->memory; |
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783 b->mmap = buf->mmap; |
960 | 784 b->file = buf->file; |
785 | |
962
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786 if (buf->in_file) { |
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787 b->file_pos = body_start + range[i].start; |
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788 b->file_last = body_start + range[i].end; |
962
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|
789 } |
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|
790 |
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diff
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|
791 if (ngx_buf_in_memory(buf)) { |
1093 | 792 b->pos = buf->start + (size_t) range[i].start; |
793 b->last = buf->start + (size_t) range[i].end; | |
962
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|
794 } |
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|
795 |
960 | 796 dcl = ngx_alloc_chain_link(r->pool); |
797 if (dcl == NULL) { | |
461 | 798 return NGX_ERROR; |
799 } | |
800 | |
960 | 801 dcl->buf = b; |
461 | 802 |
155
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803 *ll = hcl; |
960 | 804 hcl->next = rcl; |
805 rcl->next = dcl; | |
806 ll = &dcl->next; | |
807 } | |
99
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808 |
960 | 809 /* the last boundary CRLF "--0123456789--" CRLF */ |
810 | |
811 b = ngx_calloc_buf(r->pool); | |
812 if (b == NULL) { | |
813 return NGX_ERROR; | |
814 } | |
815 | |
816 b->temporary = 1; | |
817 b->last_buf = 1; | |
818 | |
2049 | 819 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
820 + sizeof("--" CRLF) - 1); | |
960 | 821 if (b->pos == NULL) { |
822 return NGX_ERROR; | |
99
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823 } |
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|
824 |
1195
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|
825 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
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|
826 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
960 | 827 *b->last++ = '-'; *b->last++ = '-'; |
828 *b->last++ = CR; *b->last++ = LF; | |
829 | |
830 hcl = ngx_alloc_chain_link(r->pool); | |
831 if (hcl == NULL) { | |
832 return NGX_ERROR; | |
833 } | |
834 | |
835 hcl->buf = b; | |
836 hcl->next = NULL; | |
99
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|
837 |
960 | 838 *ll = hcl; |
839 | |
840 return ngx_http_next_body_filter(r, out); | |
99
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|
841 } |
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|
842 |
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|
843 |
493 | 844 static ngx_int_t |
681 | 845 ngx_http_range_header_filter_init(ngx_conf_t *cf) |
99
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|
846 { |
155
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|
847 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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|
848 ngx_http_top_header_filter = ngx_http_range_header_filter; |
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|
849 |
334
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|
850 return NGX_OK; |
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|
851 } |
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|
852 |
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|
853 |
493 | 854 static ngx_int_t |
681 | 855 ngx_http_range_body_filter_init(ngx_conf_t *cf) |
334
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|
856 { |
155
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|
857 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
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|
858 ngx_http_top_body_filter = ngx_http_range_body_filter; |
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|
859 |
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|
860 return NGX_OK; |
a059e1aa65d4
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diff
changeset
|
861 } |