Mercurial > hg > nginx
annotate src/http/modules/ngx_http_chunked_filter_module.c @ 629:65bf042c0b4f release-0.3.36
nginx-0.3.36-RELEASE import
*) Feature: the ngx_http_addition_filter_module.
*) Feature: the "proxy_pass" and "fastcgi_pass" directives may be used
inside the "if" block.
*) Feature: the "proxy_ignore_client_abort" and
"fastcgi_ignore_client_abort" directives.
*) Feature: the "$request_completion" variable.
*) Feature: the ngx_http_perl_module supports the $r->request_method
and $r->remote_addr.
*) Feature: the ngx_http_ssi_module supports the "elif" command.
*) Bugfix: the "\/" string in the expression of the "if" command of the
ngx_http_ssi_module was treated incorrectly.
*) Bugfix: in the regular expressions in the "if" command of the
ngx_http_ssi_module.
*) Bugfix: if the relative path was specified in the
"client_body_temp_path", "proxy_temp_path", "fastcgi_temp_path", and
"perl_modules" directives, then the directory was used relatively to
a current path but not to a server prefix.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 05 Apr 2006 13:40:54 +0000 |
parents | 5ef026a2ac74 |
children | f971949ffb58 |
rev | line source |
---|---|
441
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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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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 static ngx_int_t ngx_http_chunked_filter_init(ngx_cycle_t *cycle); |
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13 |
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14 |
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15 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = { |
509 | 16 NULL, /* preconfiguration */ |
17 NULL, /* postconfiguration */ | |
177
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18 |
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19 NULL, /* create main configuration */ |
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20 NULL, /* init main configuration */ |
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21 |
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22 NULL, /* create server configuration */ |
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23 NULL, /* merge server configuration */ |
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24 |
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25 NULL, /* create location configuration */ |
629 | 26 NULL /* merge location configuration */ |
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27 }; |
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28 |
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29 |
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30 ngx_module_t ngx_http_chunked_filter_module = { |
509 | 31 NGX_MODULE_V1, |
99
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32 &ngx_http_chunked_filter_module_ctx, /* module context */ |
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33 NULL, /* module directives */ |
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34 NGX_HTTP_MODULE, /* module type */ |
541 | 35 NULL, /* init master */ |
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36 ngx_http_chunked_filter_init, /* init module */ |
541 | 37 NULL, /* init process */ |
38 NULL, /* init thread */ | |
39 NULL, /* exit thread */ | |
40 NULL, /* exit process */ | |
41 NULL, /* exit master */ | |
42 NGX_MODULE_V1_PADDING | |
99
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43 }; |
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44 |
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45 |
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46 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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47 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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48 |
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49 |
501 | 50 static ngx_int_t |
51 ngx_http_chunked_header_filter(ngx_http_request_t *r) | |
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52 { |
615 | 53 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED |
54 || r->headers_out.status == NGX_HTTP_NO_CONTENT | |
55 || r != r->main) | |
56 { | |
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57 return ngx_http_next_header_filter(r); |
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58 } |
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59 |
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60 if (r->headers_out.content_length_n == -1) { |
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61 if (r->http_version < NGX_HTTP_VERSION_11) { |
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62 r->keepalive = 0; |
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63 |
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64 } else { |
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65 r->chunked = 1; |
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66 } |
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67 } |
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68 |
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69 return ngx_http_next_header_filter(r); |
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70 } |
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71 |
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72 |
501 | 73 static ngx_int_t |
74 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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75 { |
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76 u_char *chunk; |
473 | 77 off_t size; |
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78 ngx_buf_t *b; |
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79 ngx_chain_t out, tail, *cl, *tl, **ll; |
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80 |
483 | 81 if (in == NULL || !r->chunked || r->header_only) { |
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82 return ngx_http_next_body_filter(r, in); |
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83 } |
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84 |
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85 out.buf = NULL; |
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86 ll = &out.next; |
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87 |
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88 size = 0; |
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89 cl = in; |
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90 |
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91 for ( ;; ) { |
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92 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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93 "http chunk: %d", ngx_buf_size(cl->buf)); |
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94 |
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95 size += ngx_buf_size(cl->buf); |
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96 |
452 | 97 if (cl->buf->flush || ngx_buf_in_memory(cl->buf) || cl->buf->in_file) { |
461 | 98 |
501 | 99 tl = ngx_alloc_chain_link(r->pool); |
100 if (tl == NULL) { | |
461 | 101 return NGX_ERROR; |
102 } | |
103 | |
452 | 104 tl->buf = cl->buf; |
105 *ll = tl; | |
106 ll = &tl->next; | |
107 } | |
99
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108 |
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109 if (cl->next == NULL) { |
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110 break; |
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111 } |
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112 |
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113 cl = cl->next; |
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114 } |
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115 |
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116 if (size) { |
501 | 117 b = ngx_calloc_buf(r->pool); |
118 if (b == NULL) { | |
455 | 119 return NGX_ERROR; |
120 } | |
121 | |
501 | 122 /* the "0000000000000000" is 64-bit hexadimal string */ |
123 | |
473 | 124 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); |
125 if (chunk == NULL) { | |
455 | 126 return NGX_ERROR; |
127 } | |
128 | |
129 b->temporary = 1; | |
130 b->pos = chunk; | |
473 | 131 b->last = ngx_sprintf(chunk, "%xO" CRLF, size); |
455 | 132 |
133 out.buf = b; | |
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134 } |
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135 |
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136 if (cl->buf->last_buf) { |
501 | 137 b = ngx_calloc_buf(r->pool); |
138 if (b == NULL) { | |
461 | 139 return NGX_ERROR; |
140 } | |
141 | |
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142 b->memory = 1; |
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143 b->last_buf = 1; |
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144 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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145 b->last = b->pos + 7; |
99
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parents:
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146 |
343
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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147 cl->buf->last_buf = 0; |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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148 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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149 if (size == 0) { |
343
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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150 b->pos += 2; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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151 out.buf = b; |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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152 out.next = NULL; |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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153 |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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154 return ngx_http_next_body_filter(r, &out); |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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155 } |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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156 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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157 } else { |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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158 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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159 *ll = NULL; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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160 return ngx_http_next_body_filter(r, out.next); |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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161 } |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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162 |
501 | 163 b = ngx_calloc_buf(r->pool); |
164 if (b == NULL) { | |
461 | 165 return NGX_ERROR; |
166 } | |
167 | |
343
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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168 b->memory = 1; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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169 b->pos = (u_char *) CRLF; |
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:
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170 b->last = b->pos + 2; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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171 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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172 |
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:
337
diff
changeset
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173 tail.buf = b; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
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174 tail.next = NULL; |
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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175 *ll = &tail; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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176 |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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177 return ngx_http_next_body_filter(r, &out); |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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178 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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179 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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180 |
501 | 181 static ngx_int_t |
182 ngx_http_chunked_filter_init(ngx_cycle_t *cycle) | |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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183 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
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184 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
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185 ngx_http_top_header_filter = ngx_http_chunked_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
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187 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
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188 ngx_http_top_body_filter = ngx_http_chunked_body_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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190 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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191 } |