Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_chunked_filter_module.c @ 3094:501fd3ae3188 stable-0.7
merge r2980, r2981, r2982:
win32 fixes:
*) ngx_http_set_exten() is always successful since 0.3.46
*) skip URI trailing dots under Win32
*) use caseless regex locations on caseless filesystems: MacOSX, Win32, Cygwin
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 07 Sep 2009 10:01:26 +0000 |
parents | e274c8e5d49c |
children | 616da2ea901f 28ee756697b1 |
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 { |
615 | 53 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED |
54 || r->headers_out.status == NGX_HTTP_NO_CONTENT | |
633 | 55 || r->headers_out.status == NGX_HTTP_CREATED |
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56 || r != r->main |
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57 || (r->method & NGX_HTTP_HEAD)) |
615 | 58 { |
155
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59 return ngx_http_next_header_filter(r); |
135
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60 } |
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61 |
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62 if (r->headers_out.content_length_n == -1) { |
99
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63 if (r->http_version < NGX_HTTP_VERSION_11) { |
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64 r->keepalive = 0; |
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65 |
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66 } else { |
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67 r->chunked = 1; |
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68 } |
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69 } |
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70 |
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71 return ngx_http_next_header_filter(r); |
99
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72 } |
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73 |
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74 |
501 | 75 static ngx_int_t |
76 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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77 { |
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78 u_char *chunk; |
473 | 79 off_t size; |
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80 ngx_buf_t *b; |
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81 ngx_chain_t out, tail, *cl, *tl, **ll; |
99
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82 |
483 | 83 if (in == NULL || !r->chunked || r->header_only) { |
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84 return ngx_http_next_body_filter(r, in); |
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85 } |
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86 |
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87 out.buf = NULL; |
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88 ll = &out.next; |
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89 |
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90 size = 0; |
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91 cl = in; |
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92 |
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93 for ( ;; ) { |
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94 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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95 "http chunk: %d", ngx_buf_size(cl->buf)); |
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96 |
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97 size += ngx_buf_size(cl->buf); |
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98 |
667 | 99 if (cl->buf->flush |
100 || cl->buf->sync | |
101 || ngx_buf_in_memory(cl->buf) | |
102 || cl->buf->in_file) | |
103 { | |
501 | 104 tl = ngx_alloc_chain_link(r->pool); |
105 if (tl == NULL) { | |
461 | 106 return NGX_ERROR; |
107 } | |
108 | |
452 | 109 tl->buf = cl->buf; |
110 *ll = tl; | |
111 ll = &tl->next; | |
112 } | |
99
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113 |
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114 if (cl->next == NULL) { |
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115 break; |
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116 } |
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117 |
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118 cl = cl->next; |
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119 } |
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120 |
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121 if (size) { |
501 | 122 b = ngx_calloc_buf(r->pool); |
123 if (b == NULL) { | |
455 | 124 return NGX_ERROR; |
125 } | |
126 | |
501 | 127 /* the "0000000000000000" is 64-bit hexadimal string */ |
128 | |
473 | 129 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); |
130 if (chunk == NULL) { | |
455 | 131 return NGX_ERROR; |
132 } | |
133 | |
134 b->temporary = 1; | |
135 b->pos = chunk; | |
473 | 136 b->last = ngx_sprintf(chunk, "%xO" CRLF, size); |
455 | 137 |
138 out.buf = b; | |
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139 } |
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140 |
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141 if (cl->buf->last_buf) { |
501 | 142 b = ngx_calloc_buf(r->pool); |
143 if (b == NULL) { | |
461 | 144 return NGX_ERROR; |
145 } | |
146 | |
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147 b->memory = 1; |
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148 b->last_buf = 1; |
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149 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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150 b->last = b->pos + 7; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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151 |
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
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152 cl->buf->last_buf = 0; |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
153 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
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154 if (size == 0) { |
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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155 b->pos += 2; |
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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156 out.buf = b; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
changeset
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157 out.next = NULL; |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
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158 |
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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159 return ngx_http_next_body_filter(r, &out); |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
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160 } |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
161 |
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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162 } else { |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
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163 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
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164 *ll = NULL; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
changeset
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165 return ngx_http_next_body_filter(r, out.next); |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
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166 } |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
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167 |
501 | 168 b = ngx_calloc_buf(r->pool); |
169 if (b == NULL) { | |
461 | 170 return NGX_ERROR; |
171 } | |
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 b->memory = 1; |
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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174 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:
337
diff
changeset
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175 b->last = b->pos + 2; |
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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176 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 |
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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178 tail.buf = b; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
changeset
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179 tail.next = NULL; |
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
changeset
|
180 *ll = &tail; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
changeset
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182 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
|
183 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 |
501 | 186 static ngx_int_t |
681 | 187 ngx_http_chunked_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
|
188 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
189 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
|
190 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
|
191 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
192 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
|
193 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
|
194 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 } |