Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_chunked_filter_module.c @ 4009:3183165283cc
Fixing proxy_set_body and proxy_pass_request_body with SSL.
Flush flag wasn't set in constructed buffer and this prevented any data
from being actually sent to upstream due to SSL buffering. Make sure
we always set flush in the last buffer we are going to sent.
See here for report:
http://nginx.org/pipermail/nginx-ru/2011-June/041552.html
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 18 Aug 2011 16:34:24 +0000 |
parents | 81457372d938 |
children | a28ba1cdec27 525a34d74a0a |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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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 |
681 | 12 static ngx_int_t ngx_http_chunked_filter_init(ngx_conf_t *cf); |
99
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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 */ |
681 | 17 ngx_http_chunked_filter_init, /* 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 */ |
99
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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 */ |
681 | 36 NULL, /* 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; |
99
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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) | |
99
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52 { |
3484 | 53 ngx_http_core_loc_conf_t *clcf; |
54 | |
615 | 55 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED |
56 || r->headers_out.status == NGX_HTTP_NO_CONTENT | |
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57 || r != r->main |
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58 || (r->method & NGX_HTTP_HEAD)) |
615 | 59 { |
155
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60 return ngx_http_next_header_filter(r); |
135
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61 } |
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62 |
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63 if (r->headers_out.content_length_n == -1) { |
99
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64 if (r->http_version < NGX_HTTP_VERSION_11) { |
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65 r->keepalive = 0; |
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66 |
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67 } else { |
3484 | 68 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
69 | |
70 if (clcf->chunked_transfer_encoding) { | |
71 r->chunked = 1; | |
72 | |
73 } else { | |
74 r->keepalive = 0; | |
75 } | |
99
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76 } |
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77 } |
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78 |
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79 return ngx_http_next_header_filter(r); |
99
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80 } |
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81 |
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82 |
501 | 83 static ngx_int_t |
84 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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85 { |
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86 u_char *chunk; |
473 | 87 off_t size; |
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88 ngx_buf_t *b; |
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89 ngx_chain_t out, tail, *cl, *tl, **ll; |
99
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90 |
483 | 91 if (in == NULL || !r->chunked || r->header_only) { |
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92 return ngx_http_next_body_filter(r, in); |
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93 } |
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94 |
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95 out.buf = NULL; |
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96 ll = &out.next; |
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97 |
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98 size = 0; |
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99 cl = in; |
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100 |
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101 for ( ;; ) { |
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102 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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103 "http chunk: %d", ngx_buf_size(cl->buf)); |
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104 |
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105 size += ngx_buf_size(cl->buf); |
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106 |
667 | 107 if (cl->buf->flush |
108 || cl->buf->sync | |
109 || ngx_buf_in_memory(cl->buf) | |
110 || cl->buf->in_file) | |
111 { | |
501 | 112 tl = ngx_alloc_chain_link(r->pool); |
113 if (tl == NULL) { | |
461 | 114 return NGX_ERROR; |
115 } | |
116 | |
452 | 117 tl->buf = cl->buf; |
118 *ll = tl; | |
119 ll = &tl->next; | |
120 } | |
99
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121 |
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122 if (cl->next == NULL) { |
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123 break; |
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124 } |
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125 |
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126 cl = cl->next; |
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127 } |
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128 |
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129 if (size) { |
501 | 130 b = ngx_calloc_buf(r->pool); |
131 if (b == NULL) { | |
455 | 132 return NGX_ERROR; |
133 } | |
134 | |
501 | 135 /* the "0000000000000000" is 64-bit hexadimal string */ |
136 | |
473 | 137 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); |
138 if (chunk == NULL) { | |
455 | 139 return NGX_ERROR; |
140 } | |
141 | |
142 b->temporary = 1; | |
143 b->pos = chunk; | |
473 | 144 b->last = ngx_sprintf(chunk, "%xO" CRLF, size); |
455 | 145 |
146 out.buf = b; | |
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147 } |
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148 |
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149 if (cl->buf->last_buf) { |
501 | 150 b = ngx_calloc_buf(r->pool); |
151 if (b == NULL) { | |
461 | 152 return NGX_ERROR; |
153 } | |
154 | |
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155 b->memory = 1; |
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156 b->last_buf = 1; |
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157 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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158 b->last = b->pos + 7; |
99
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159 |
343
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160 cl->buf->last_buf = 0; |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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161 |
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162 if (size == 0) { |
343
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163 b->pos += 2; |
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164 out.buf = b; |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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165 out.next = NULL; |
336
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166 |
337
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167 return ngx_http_next_body_filter(r, &out); |
336
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168 } |
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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169 |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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170 } else { |
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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171 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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172 *ll = NULL; |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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173 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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174 } |
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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175 |
501 | 176 b = ngx_calloc_buf(r->pool); |
177 if (b == NULL) { | |
461 | 178 return NGX_ERROR; |
179 } | |
180 | |
343
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181 b->memory = 1; |
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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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182 b->pos = (u_char *) CRLF; |
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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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183 b->last = b->pos + 2; |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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184 } |
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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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185 |
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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186 tail.buf = b; |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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187 tail.next = NULL; |
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nginx-0.0.3-2004-05-19-00:28:54 import
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188 *ll = &tail; |
99
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parents:
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189 |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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190 return ngx_http_next_body_filter(r, &out); |
99
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Igor Sysoev <igor@sysoev.ru>
parents:
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191 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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193 |
501 | 194 static ngx_int_t |
681 | 195 ngx_http_chunked_filter_init(ngx_conf_t *cf) |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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196 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
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197 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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198 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
|
199 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
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200 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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201 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
|
202 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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203 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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204 } |