Mercurial > hg > nginx
annotate src/http/modules/ngx_http_range_filter_module.c @ 2269:7155dbb2317e
fix r2122:
*) update file buf pointers,
*) avoid "zero buf" alert
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Thu, 02 Oct 2008 15:38:26 +0000 |
| parents | b39c0040b3e4 |
| children | a6d6d762c554 |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 |
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12 /* |
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13 * the single part format: |
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14 * |
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15 * "HTTP/1.0 206 Partial Content" CRLF |
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16 * ... header ... |
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17 * "Content-Type: image/jpeg" CRLF |
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18 * "Content-Length: SIZE" CRLF |
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19 * "Content-Range: bytes START-END/SIZE" CRLF |
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20 * CRLF |
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21 * ... data ... |
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22 * |
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23 * |
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24 * the mutlipart format: |
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25 * |
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26 * "HTTP/1.0 206 Partial Content" CRLF |
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27 * ... header ... |
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28 * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF |
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29 * CRLF |
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30 * CRLF |
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31 * "--0123456789" CRLF |
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32 * "Content-Type: image/jpeg" CRLF |
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33 * "Content-Range: bytes START0-END0/SIZE" CRLF |
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34 * CRLF |
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35 * ... data ... |
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36 * CRLF |
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37 * "--0123456789" CRLF |
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38 * "Content-Type: image/jpeg" CRLF |
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39 * "Content-Range: bytes START1-END1/SIZE" CRLF |
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40 * CRLF |
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41 * ... data ... |
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42 * CRLF |
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43 * "--0123456789--" CRLF |
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44 */ |
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45 |
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46 |
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47 typedef struct { |
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48 off_t start; |
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49 off_t end; |
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50 ngx_str_t content_range; |
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51 } ngx_http_range_t; |
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52 |
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53 |
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54 typedef struct { |
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55 off_t offset; |
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56 ngx_str_t boundary_header; |
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57 ngx_array_t ranges; |
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58 } ngx_http_range_filter_ctx_t; |
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59 |
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60 |
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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 */ |
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82 |
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83 NULL, /* create main configuration */ |
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84 NULL, /* init main configuration */ |
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85 |
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86 NULL, /* create server configuration */ |
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87 NULL, /* merge server configuration */ |
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88 |
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89 NULL, /* create location configuration */ |
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90 NULL, /* merge location configuration */ |
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91 }; |
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92 |
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93 |
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94 ngx_module_t ngx_http_range_header_filter_module = { |
| 509 | 95 NGX_MODULE_V1, |
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96 &ngx_http_range_header_filter_module_ctx, /* module context */ |
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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 | |
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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 */ |
|
334
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113 |
|
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314
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114 NULL, /* create main configuration */ |
|
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115 NULL, /* init main configuration */ |
|
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116 |
|
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117 NULL, /* create server configuration */ |
|
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118 NULL, /* merge server configuration */ |
|
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119 |
|
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120 NULL, /* create location configuration */ |
|
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121 NULL, /* merge location configuration */ |
|
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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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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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138 }; |
|
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139 |
|
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140 |
|
155
46eb23d9471d
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153
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141 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
|
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142 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
|
99
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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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|
151 |
|
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
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155
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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 |
| 597 | 154 || r != r->main |
|
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
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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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|
157 { |
|
155
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158 return ngx_http_next_header_filter(r); |
|
117
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|
159 } |
|
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113
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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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|
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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|
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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|
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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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)) |
| 959 | 190 == NGX_ERROR) |
| 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; |
|
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202 |
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203 if (ctx->ranges.nelts == 1) { |
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204 return ngx_http_range_singlepart_header(r, ctx); |
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205 } |
|
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|
206 |
|
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207 return ngx_http_range_multipart_header(r, ctx); |
|
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208 } |
|
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|
209 |
|
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210 if (rc == NGX_HTTP_RANGE_NOT_SATISFIABLE) { |
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211 return ngx_http_range_not_satisfiable(r); |
|
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212 } |
|
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213 |
|
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214 /* rc == NGX_ERROR */ |
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|
215 |
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216 return rc; |
|
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217 |
|
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218 next_filter: |
|
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219 |
|
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220 r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); |
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221 if (r->headers_out.accept_ranges == NULL) { |
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222 return NGX_ERROR; |
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223 } |
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224 |
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225 r->headers_out.accept_ranges->hash = 1; |
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226 r->headers_out.accept_ranges->key.len = sizeof("Accept-Ranges") - 1; |
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227 r->headers_out.accept_ranges->key.data = (u_char *) "Accept-Ranges"; |
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228 r->headers_out.accept_ranges->value.len = sizeof("bytes") - 1; |
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229 r->headers_out.accept_ranges->value.data = (u_char *) "bytes"; |
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230 |
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231 return ngx_http_next_header_filter(r); |
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232 } |
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233 |
|
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234 |
|
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235 ngx_int_t |
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236 ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx) |
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237 { |
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238 u_char *p; |
|
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239 off_t start, end; |
|
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240 ngx_uint_t suffix; |
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241 ngx_http_range_t *range; |
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242 |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
243 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
|
244 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
245 for ( ;; ) { |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
246 start = 0; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
247 end = 0; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
248 suffix = 0; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
249 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 while (*p == ' ') { p++; } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
252 if (*p != '-') { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
253 if (*p < '0' || *p > '9') { |
|
2118
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parents:
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diff
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|
254 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
255 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
257 while (*p >= '0' && *p <= '9') { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
258 start = start * 10 + *p++ - '0'; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
259 } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
260 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
261 while (*p == ' ') { p++; } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
262 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
263 if (*p++ != '-') { |
|
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
264 return NGX_HTTP_RANGE_NOT_SATISFIABLE; |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
265 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
266 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
267 if (start >= r->headers_out.content_length_n) { |
|
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
268 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
|
269 } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
270 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
271 while (*p == ' ') { p++; } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
272 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
273 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
|
274 range = ngx_array_push(&ctx->ranges); |
| 501 | 275 if (range == NULL) { |
| 461 | 276 return NGX_ERROR; |
| 277 } | |
| 278 | |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
279 range->start = start; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
280 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
|
281 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
282 if (*p++ != ',') { |
|
2118
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split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
283 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
|
284 } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
285 |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
286 continue; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
287 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
288 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
289 } else { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
290 suffix = 1; |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
291 p++; |
|
99
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 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
294 if (*p < '0' || *p > '9') { |
|
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
295 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
|
296 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
297 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
298 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
|
299 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
|
300 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
301 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
302 while (*p == ' ') { p++; } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
303 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
304 if (*p != ',' && *p != '\0') { |
|
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
305 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
|
306 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
307 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
308 if (suffix) { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
309 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
|
310 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
|
311 } |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
312 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
313 if (start > end) { |
|
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
314 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
|
315 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
316 |
|
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
317 range = ngx_array_push(&ctx->ranges); |
| 501 | 318 if (range == NULL) { |
| 461 | 319 return NGX_ERROR; |
| 320 } | |
| 321 | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
322 range->start = start; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
323 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
324 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
|
325 /* |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
326 * 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
|
327 * 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
|
328 */ |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
329 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
|
330 |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
331 } else { |
|
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
332 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
|
333 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
334 |
|
231
92db0aa1e83f
nginx-0.0.1-2004-01-16-21:29:15 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
335 if (*p++ != ',') { |
|
2118
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
336 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
|
337 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
338 } |
|
2118
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 |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
342 static ngx_int_t |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
343 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
|
344 ngx_http_range_filter_ctx_t *ctx) |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
345 { |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
346 ngx_table_elt_t *content_range; |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
347 ngx_http_range_t *range; |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
348 |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
349 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
|
350 if (content_range == NULL) { |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
351 return NGX_ERROR; |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
352 } |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
353 |
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354 r->headers_out.content_range = content_range; |
| 461 | 355 |
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356 content_range->hash = 1; |
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357 content_range->key.len = sizeof("Content-Range") - 1; |
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358 content_range->key.data = (u_char *) "Content-Range"; |
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359 |
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360 content_range->value.data = ngx_pnalloc(r->pool, |
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361 sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); |
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362 if (content_range->value.data == NULL) { |
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363 return NGX_ERROR; |
| 461 | 364 } |
| 365 | |
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366 /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ |
| 461 | 367 |
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368 range = ctx->ranges.elts; |
| 461 | 369 |
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370 content_range->value.len = ngx_sprintf(content_range->value.data, |
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371 "bytes %O-%O/%O", |
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372 range->start, range->end - 1, |
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373 r->headers_out.content_length_n) |
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374 - content_range->value.data; |
| 461 | 375 |
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376 r->headers_out.content_length_n = range->end - range->start; |
| 461 | 377 |
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378 if (r->headers_out.content_length) { |
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379 r->headers_out.content_length->hash = 0; |
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380 r->headers_out.content_length = NULL; |
| 461 | 381 } |
| 382 | |
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383 return ngx_http_next_header_filter(r); |
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384 } |
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385 |
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386 |
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387 static ngx_int_t |
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388 ngx_http_range_multipart_header(ngx_http_request_t *r, |
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389 ngx_http_range_filter_ctx_t *ctx) |
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390 { |
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391 size_t len; |
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392 ngx_uint_t i; |
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393 ngx_http_range_t *range; |
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394 ngx_atomic_uint_t boundary; |
| 461 | 395 |
| 493 | 396 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
| 397 + sizeof(CRLF "Content-Type: ") - 1 | |
| 509 | 398 + r->headers_out.content_type.len |
| 461 | 399 + sizeof(CRLF "Content-Range: bytes ") - 1; |
| 400 | |
| 401 if (r->headers_out.charset.len) { | |
| 402 len += sizeof("; charset=") - 1 + r->headers_out.charset.len; | |
| 403 } | |
| 404 | |
| 2049 | 405 ctx->boundary_header.data = ngx_pnalloc(r->pool, len); |
| 501 | 406 if (ctx->boundary_header.data == NULL) { |
| 461 | 407 return NGX_ERROR; |
| 408 } | |
| 409 | |
| 493 | 410 boundary = ngx_next_temp_number(0); |
| 461 | 411 |
| 412 /* | |
| 413 * The boundary header of the range: | |
| 414 * CRLF | |
| 415 * "--0123456789" CRLF | |
| 416 * "Content-Type: image/jpeg" CRLF | |
| 417 * "Content-Range: bytes " | |
| 418 */ | |
| 419 | |
| 420 if (r->headers_out.charset.len) { | |
| 421 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, | |
| 493 | 422 CRLF "--%0muA" CRLF |
| 461 | 423 "Content-Type: %V; charset=%V" CRLF |
| 424 "Content-Range: bytes ", | |
| 425 boundary, | |
| 509 | 426 &r->headers_out.content_type, |
| 461 | 427 &r->headers_out.charset) |
| 428 - ctx->boundary_header.data; | |
| 429 | |
| 430 r->headers_out.charset.len = 0; | |
|
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431 |
|
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432 } else if (r->headers_out.content_type.len) { |
| 461 | 433 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
| 493 | 434 CRLF "--%0muA" CRLF |
| 461 | 435 "Content-Type: %V" CRLF |
| 436 "Content-Range: bytes ", | |
| 437 boundary, | |
| 509 | 438 &r->headers_out.content_type) |
| 461 | 439 - ctx->boundary_header.data; |
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440 |
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441 } else { |
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442 ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, |
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443 CRLF "--%0muA" CRLF |
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444 "Content-Range: bytes ", |
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445 boundary) |
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446 - ctx->boundary_header.data; |
| 461 | 447 } |
|
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448 |
| 509 | 449 r->headers_out.content_type.data = |
| 2049 | 450 ngx_pnalloc(r->pool, |
| 451 sizeof("Content-Type: multipart/byteranges; boundary=") - 1 | |
| 452 + NGX_ATOMIC_T_LEN); | |
|
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453 |
| 509 | 454 if (r->headers_out.content_type.data == NULL) { |
| 461 | 455 return NGX_ERROR; |
| 456 } | |
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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; |
|
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465 |
| 493 | 466 |
| 461 | 467 /* the size of the last boundary CRLF "--0123456789--" CRLF */ |
| 493 | 468 |
| 469 len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; | |
|
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470 |
|
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471 range = ctx->ranges.elts; |
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472 for (i = 0; i < ctx->ranges.nelts; i++) { |
| 455 | 473 |
| 461 | 474 /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ |
| 455 | 475 |
| 461 | 476 range[i].content_range.data = |
| 2049 | 477 ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); |
|
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478 |
| 461 | 479 if (range[i].content_range.data == NULL) { |
| 480 return NGX_ERROR; | |
| 481 } | |
|
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482 |
| 461 | 483 range[i].content_range.len = ngx_sprintf(range[i].content_range.data, |
| 484 "%O-%O/%O" CRLF CRLF, | |
| 485 range[i].start, range[i].end - 1, | |
| 486 r->headers_out.content_length_n) | |
| 487 - range[i].content_range.data; | |
|
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488 |
| 461 | 489 len += ctx->boundary_header.len + range[i].content_range.len |
| 490 + (size_t) (range[i].end - range[i].start); | |
| 491 } | |
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492 |
| 461 | 493 r->headers_out.content_length_n = len; |
| 960 | 494 |
| 495 if (r->headers_out.content_length) { | |
| 496 r->headers_out.content_length->hash = 0; | |
| 497 r->headers_out.content_length = NULL; | |
| 498 } | |
|
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499 |
|
155
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500 return ngx_http_next_header_filter(r); |
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501 } |
| 1630 | 502 |
| 503 | |
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504 static ngx_int_t |
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505 ngx_http_range_not_satisfiable(ngx_http_request_t *r) |
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506 { |
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507 ngx_table_elt_t *content_range; |
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508 |
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509 r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; |
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510 |
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511 content_range = ngx_list_push(&r->headers_out.headers); |
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512 if (content_range == NULL) { |
| 1630 | 513 return NGX_ERROR; |
| 514 } | |
| 515 | |
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516 r->headers_out.content_range = content_range; |
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517 |
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518 content_range->hash = 1; |
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519 content_range->key.len = sizeof("Content-Range") - 1; |
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520 content_range->key.data = (u_char *) "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
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
541 { |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
542 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
|
543 |
|
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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diff
changeset
|
544 if (in == NULL) { |
|
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
545 return ngx_http_next_body_filter(r, in); |
|
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move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
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|
546 } |
|
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move ranges array to ngx_http_range_filter_ctx_t
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parents:
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diff
changeset
|
547 |
|
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
548 ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); |
|
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
549 |
|
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
550 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
|
551 return ngx_http_next_body_filter(r, in); |
|
99
a059e1aa65d4
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parents:
diff
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|
552 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
553 |
|
2121
b39c0040b3e4
support several buf's for single-part range
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parents:
2119
diff
changeset
|
554 if (ctx->ranges.nelts == 1) { |
|
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
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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parents:
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diff
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|
556 } |
|
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support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
557 |
|
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support several buf's for single-part range
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parents:
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diff
changeset
|
558 /* |
|
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support several buf's for single-part range
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diff
changeset
|
559 * multipart ranges are supported only if whole body is in a single buffer |
|
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diff
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|
560 */ |
|
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parents:
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diff
changeset
|
561 |
|
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
562 if (ngx_buf_special(in->buf)) { |
|
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support ranges for single memory buffer
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parents:
961
diff
changeset
|
563 return ngx_http_next_body_filter(r, in); |
|
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support ranges for single memory buffer
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parents:
961
diff
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|
564 } |
|
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diff
changeset
|
565 |
|
2118
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
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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diff
changeset
|
567 return NGX_ERROR; |
|
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split ngx_http_range_filter_module
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diff
changeset
|
568 } |
|
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
569 |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
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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diff
changeset
|
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 |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
574 static ngx_int_t |
|
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
575 ngx_http_range_test_overlapped(ngx_http_request_t *r, |
|
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parents:
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diff
changeset
|
576 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
|
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
577 { |
|
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split ngx_http_range_filter_module
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parents:
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diff
changeset
|
578 off_t start, last; |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
579 ngx_buf_t *buf; |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
580 ngx_uint_t i; |
|
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
581 ngx_http_range_t *range; |
|
c1f589732d8c
split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
582 |
|
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
583 if (ctx->offset) { |
|
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
584 goto overlapped; |
|
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
585 } |
|
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
586 |
|
2118
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parents:
2049
diff
changeset
|
587 buf = in->buf; |
| 960 | 588 |
| 589 if (!buf->last_buf) { | |
|
962
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support ranges for single memory buffer
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parents:
961
diff
changeset
|
590 |
|
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
591 if (buf->in_file) { |
|
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support ranges for single memory buffer
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diff
changeset
|
592 start = buf->file_pos + ctx->offset; |
|
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support ranges for single memory buffer
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parents:
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|
593 last = buf->file_last + ctx->offset; |
|
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parents:
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diff
changeset
|
594 |
|
69754fb59ba1
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961
diff
changeset
|
595 } else { |
|
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support ranges for single memory buffer
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parents:
961
diff
changeset
|
596 start = buf->pos - buf->start + ctx->offset; |
|
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961
diff
changeset
|
597 last = buf->last - buf->start + ctx->offset; |
|
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diff
changeset
|
598 } |
|
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support ranges for single memory buffer
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parents:
961
diff
changeset
|
599 |
|
2118
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parents:
2049
diff
changeset
|
600 range = ctx->ranges.elts; |
|
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
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parents:
962
diff
changeset
|
601 for (i = 0; i < ctx->ranges.nelts; i++) { |
|
962
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support ranges for single memory buffer
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parents:
961
diff
changeset
|
602 if (start > range[i].start || last < range[i].end) { |
| 960 | 603 goto overlapped; |
| 604 } | |
| 605 } | |
| 606 } | |
| 607 | |
|
962
69754fb59ba1
support ranges for single memory buffer
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parents:
961
diff
changeset
|
608 ctx->offset = ngx_buf_size(buf); |
|
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support ranges for single memory buffer
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parents:
961
diff
changeset
|
609 |
|
2118
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diff
changeset
|
610 return NGX_OK; |
|
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split ngx_http_range_filter_module
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
611 |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
612 overlapped: |
| 960 | 613 |
|
2118
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parents:
2049
diff
changeset
|
614 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
|
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
615 "range in overlapped buffers"); |
|
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
616 |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
617 return NGX_ERROR; |
|
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split ngx_http_range_filter_module
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diff
changeset
|
618 } |
|
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
619 |
|
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
620 |
|
2118
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parents:
2049
diff
changeset
|
621 static ngx_int_t |
|
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split ngx_http_range_filter_module
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parents:
2049
diff
changeset
|
622 ngx_http_range_singlepart_body(ngx_http_request_t *r, |
|
c1f589732d8c
split ngx_http_range_filter_module
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parents:
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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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parents:
2119
diff
changeset
|
625 off_t start, last; |
|
2118
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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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diff
changeset
|
627 ngx_chain_t *out, *cl, **ll; |
|
2118
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diff
changeset
|
628 ngx_http_range_t *range; |
| 960 | 629 |
|
2121
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support several buf's for single-part range
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diff
changeset
|
630 out = NULL; |
|
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
631 ll = &out; |
|
2118
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diff
changeset
|
632 range = ctx->ranges.elts; |
|
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diff
changeset
|
633 |
|
2121
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
634 for (cl = in; cl; cl = cl->next) { |
|
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2119
diff
changeset
|
635 |
|
b39c0040b3e4
support several buf's for single-part range
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parents:
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diff
changeset
|
636 buf = cl->buf; |
|
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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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parents:
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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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diff
changeset
|
640 |
|
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support several buf's for single-part range
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parents:
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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
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
643 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
644 "http range body buf: %O-%O", start, last); |
|
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support several buf's for single-part range
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parents:
2119
diff
changeset
|
645 |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
646 if (ngx_buf_special(buf)) { |
|
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support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
647 *ll = cl; |
|
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support several buf's for single-part range
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parents:
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diff
changeset
|
648 ll = &cl->next; |
|
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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
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
650 } |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
651 |
|
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
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
653 |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
654 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
655 "http range body skip"); |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
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
Igor Sysoev <igor@sysoev.ru>
parents:
2119
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
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
664 continue; |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
665 } |
|
b39c0040b3e4
support several buf's for single-part range
Igor Sysoev <igor@sysoev.ru>
parents:
2119
diff
changeset
|
666 |
|
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diff
changeset
|
667 if (range->start > start) { |
|
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diff
changeset
|
668 |
|
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diff
changeset
|
669 if (buf->in_file) { |
|
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|
670 buf->file_pos += range->start - start; |
|
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|
671 } |
|
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parents:
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diff
changeset
|
672 |
|
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changeset
|
673 if (ngx_buf_in_memory(buf)) { |
|
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|
674 buf->pos += (size_t) (range->start - start); |
|
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|
675 } |
|
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parents:
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diff
changeset
|
676 } |
|
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parents:
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diff
changeset
|
677 |
|
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changeset
|
678 if (range->end <= last) { |
|
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diff
changeset
|
679 |
|
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diff
changeset
|
680 if (buf->in_file) { |
|
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|
681 buf->file_last -= last - range->end; |
|
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|
682 } |
|
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diff
changeset
|
683 |
|
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parents:
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diff
changeset
|
684 if (ngx_buf_in_memory(buf)) { |
|
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changeset
|
685 buf->last -= (size_t) (last - range->end); |
|
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parents:
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diff
changeset
|
686 } |
|
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parents:
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diff
changeset
|
687 |
|
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changeset
|
688 buf->last_buf = 1; |
|
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|
689 *ll = cl; |
|
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changeset
|
690 cl->next = NULL; |
|
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parents:
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diff
changeset
|
691 |
|
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parents:
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diff
changeset
|
692 break; |
|
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parents:
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diff
changeset
|
693 } |
|
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parents:
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diff
changeset
|
694 |
|
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diff
changeset
|
695 *ll = cl; |
|
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changeset
|
696 ll = &cl->next; |
| 960 | 697 } |
| 698 | |
|
2121
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changeset
|
699 if (out == NULL) { |
|
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|
700 return NGX_OK; |
|
2118
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diff
changeset
|
701 } |
|
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diff
changeset
|
702 |
|
2121
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|
703 return ngx_http_next_body_filter(r, out); |
|
2118
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diff
changeset
|
704 } |
|
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parents:
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diff
changeset
|
705 |
|
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parents:
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diff
changeset
|
706 |
|
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parents:
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diff
changeset
|
707 static ngx_int_t |
|
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diff
changeset
|
708 ngx_http_range_multipart_body(ngx_http_request_t *r, |
|
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diff
changeset
|
709 ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) |
|
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parents:
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diff
changeset
|
710 { |
|
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parents:
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diff
changeset
|
711 ngx_buf_t *b, *buf; |
|
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parents:
2049
diff
changeset
|
712 ngx_uint_t i; |
|
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diff
changeset
|
713 ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; |
|
c1f589732d8c
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parents:
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diff
changeset
|
714 ngx_http_range_t *range; |
|
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parents:
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diff
changeset
|
715 |
| 960 | 716 ll = &out; |
|
2118
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diff
changeset
|
717 buf = in->buf; |
|
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parents:
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diff
changeset
|
718 range = ctx->ranges.elts; |
|
160
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nginx-0.0.1-2003-10-27-11:53:49 import
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parents:
155
diff
changeset
|
719 |
|
963
78e70dae89f0
move ranges array to ngx_http_range_filter_ctx_t
Igor Sysoev <igor@sysoev.ru>
parents:
962
diff
changeset
|
720 for (i = 0; i < ctx->ranges.nelts; i++) { |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
721 |
| 960 | 722 /* |
| 723 * The boundary header of the range: | |
| 724 * CRLF | |
| 725 * "--0123456789" CRLF | |
| 726 * "Content-Type: image/jpeg" CRLF | |
| 727 * "Content-Range: bytes " | |
| 728 */ | |
| 729 | |
| 730 b = ngx_calloc_buf(r->pool); | |
| 731 if (b == NULL) { | |
| 732 return NGX_ERROR; | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
733 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
734 |
| 960 | 735 b->memory = 1; |
| 736 b->pos = ctx->boundary_header.data; | |
| 737 b->last = ctx->boundary_header.data + ctx->boundary_header.len; | |
|
160
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155
diff
changeset
|
738 |
| 960 | 739 hcl = ngx_alloc_chain_link(r->pool); |
| 740 if (hcl == NULL) { | |
| 741 return NGX_ERROR; | |
| 742 } | |
| 461 | 743 |
| 960 | 744 hcl->buf = b; |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
745 |
| 461 | 746 |
| 960 | 747 /* "SSSS-EEEE/TTTT" CRLF CRLF */ |
|
160
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diff
changeset
|
748 |
| 501 | 749 b = ngx_calloc_buf(r->pool); |
| 750 if (b == NULL) { | |
| 461 | 751 return NGX_ERROR; |
| 752 } | |
| 753 | |
|
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
|
754 b->temporary = 1; |
| 960 | 755 b->pos = range[i].content_range.data; |
| 756 b->last = range[i].content_range.data + range[i].content_range.len; | |
| 757 | |
| 758 rcl = ngx_alloc_chain_link(r->pool); | |
| 759 if (rcl == NULL) { | |
| 760 return NGX_ERROR; | |
| 761 } | |
| 762 | |
| 763 rcl->buf = b; | |
| 764 | |
| 765 | |
| 766 /* the range data */ | |
| 461 | 767 |
| 960 | 768 b = ngx_calloc_buf(r->pool); |
| 769 if (b == NULL) { | |
| 770 return NGX_ERROR; | |
| 771 } | |
| 772 | |
|
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
773 b->in_file = buf->in_file; |
|
69754fb59ba1
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parents:
961
diff
changeset
|
774 b->temporary = buf->temporary; |
|
69754fb59ba1
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parents:
961
diff
changeset
|
775 b->memory = buf->memory; |
|
69754fb59ba1
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
776 b->mmap = buf->mmap; |
| 960 | 777 b->file = buf->file; |
| 778 | |
|
962
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Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
779 if (buf->in_file) { |
| 1093 | 780 b->file_pos = range[i].start; |
| 781 b->file_last = range[i].end; | |
|
962
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
782 } |
|
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
783 |
|
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
784 if (ngx_buf_in_memory(buf)) { |
| 1093 | 785 b->pos = buf->start + (size_t) range[i].start; |
| 786 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
|
787 } |
|
69754fb59ba1
support ranges for single memory buffer
Igor Sysoev <igor@sysoev.ru>
parents:
961
diff
changeset
|
788 |
| 960 | 789 dcl = ngx_alloc_chain_link(r->pool); |
| 790 if (dcl == NULL) { | |
| 461 | 791 return NGX_ERROR; |
| 792 } | |
| 793 | |
| 960 | 794 dcl->buf = b; |
| 461 | 795 |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
796 *ll = hcl; |
| 960 | 797 hcl->next = rcl; |
| 798 rcl->next = dcl; | |
| 799 ll = &dcl->next; | |
| 800 } | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
801 |
| 960 | 802 /* the last boundary CRLF "--0123456789--" CRLF */ |
| 803 | |
| 804 b = ngx_calloc_buf(r->pool); | |
| 805 if (b == NULL) { | |
| 806 return NGX_ERROR; | |
| 807 } | |
| 808 | |
| 809 b->temporary = 1; | |
| 810 b->last_buf = 1; | |
| 811 | |
| 2049 | 812 b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN |
| 813 + sizeof("--" CRLF) - 1); | |
| 960 | 814 if (b->pos == NULL) { |
| 815 return NGX_ERROR; | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
816 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
817 |
|
1195
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
818 b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, |
|
4ba6df5d5b53
fix multipart ranges trailing
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
819 sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); |
| 960 | 820 *b->last++ = '-'; *b->last++ = '-'; |
| 821 *b->last++ = CR; *b->last++ = LF; | |
| 822 | |
| 823 hcl = ngx_alloc_chain_link(r->pool); | |
| 824 if (hcl == NULL) { | |
| 825 return NGX_ERROR; | |
| 826 } | |
| 827 | |
| 828 hcl->buf = b; | |
| 829 hcl->next = NULL; | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
830 |
| 960 | 831 *ll = hcl; |
| 832 | |
| 833 return ngx_http_next_body_filter(r, out); | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
834 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
835 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
836 |
| 493 | 837 static ngx_int_t |
| 681 | 838 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
|
839 { |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
840 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
|
841 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
|
842 |
|
334
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
843 return NGX_OK; |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
844 } |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
845 |
|
af451db3fe99
nginx-0.0.3-2004-05-12-09:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
314
diff
changeset
|
846 |
| 493 | 847 static ngx_int_t |
| 681 | 848 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
|
849 { |
|
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
850 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
|
851 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
|
852 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
853 return NGX_OK; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
854 } |