Mercurial > hg > nginx
annotate src/http/modules/ngx_http_chunked_filter.c @ 455:295d97d70c69 release-0.1.2
nginx-0.1.2-RELEASE import
*) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS
options in configure.
*) Feature: the server_name directive supports *.domain.tld.
*) Bugfix: the portability improvements.
*) Bugfix: if configuration file was set in command line, the
reconfiguration was impossible; the bug had appeared in 0.1.1.
*) Bugfix: proxy module may get caught in an endless loop when sendfile
is not used.
*) Bugfix: with sendfile the response was not recoded according to the
charset module directives; the bug had appeared in 0.1.1.
*) Bugfix: very seldom bug in the kqueue processing.
*) Bugfix: the gzip module compressed the proxied responses that was
already compressed.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 21 Oct 2004 15:34:38 +0000 |
parents | 23fb87bddda1 |
children | a88a3e4e158f |
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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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 = { |
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16 NULL, /* pre conf */ |
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18 NULL, /* create main configuration */ |
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19 NULL, /* init main configuration */ |
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20 |
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21 NULL, /* create server configuration */ |
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22 NULL, /* merge server configuration */ |
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23 |
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24 NULL, /* create location configuration */ |
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25 NULL, /* merge location configuration */ |
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26 }; |
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27 |
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28 |
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29 ngx_module_t ngx_http_chunked_filter_module = { |
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30 NGX_MODULE, |
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31 &ngx_http_chunked_filter_module_ctx, /* module context */ |
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32 NULL, /* module directives */ |
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33 NGX_HTTP_MODULE, /* module type */ |
110
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34 ngx_http_chunked_filter_init, /* init module */ |
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35 NULL /* init child */ |
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36 }; |
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37 |
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38 |
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39 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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40 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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41 |
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42 |
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43 static ngx_int_t ngx_http_chunked_header_filter(ngx_http_request_t *r) |
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44 { |
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45 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { |
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46 return ngx_http_next_header_filter(r); |
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47 } |
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48 |
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49 if (r->headers_out.content_length_n == -1) { |
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50 if (r->http_version < NGX_HTTP_VERSION_11) { |
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51 r->keepalive = 0; |
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52 |
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53 } else { |
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54 r->chunked = 1; |
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55 } |
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56 } |
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57 |
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58 return ngx_http_next_header_filter(r); |
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59 } |
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60 |
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61 |
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62 static ngx_int_t ngx_http_chunked_body_filter(ngx_http_request_t *r, |
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63 ngx_chain_t *in) |
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64 { |
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65 u_char *chunk; |
455 | 66 size_t size; |
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67 ngx_buf_t *b; |
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68 ngx_chain_t out, tail, *cl, *tl, **ll; |
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69 |
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70 if (in == NULL || !r->chunked) { |
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71 return ngx_http_next_body_filter(r, in); |
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72 } |
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73 |
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74 out.buf = NULL; |
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75 ll = &out.next; |
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76 |
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77 size = 0; |
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78 cl = in; |
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79 |
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80 for ( ;; ) { |
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81 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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82 "http chunk: %d", ngx_buf_size(cl->buf)); |
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83 |
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84 size += ngx_buf_size(cl->buf); |
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85 |
452 | 86 if (cl->buf->flush || ngx_buf_in_memory(cl->buf) || cl->buf->in_file) { |
87 ngx_test_null(tl, ngx_alloc_chain_link(r->pool), NGX_ERROR); | |
88 tl->buf = cl->buf; | |
89 *ll = tl; | |
90 ll = &tl->next; | |
91 } | |
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92 |
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93 if (cl->next == NULL) { |
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94 break; |
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95 } |
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96 |
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97 cl = cl->next; |
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98 } |
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99 |
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100 if (size) { |
455 | 101 if (!(b = ngx_calloc_buf(r->pool))) { |
102 return NGX_ERROR; | |
103 } | |
104 | |
105 if (!(chunk = ngx_palloc(r->pool, 11))) { | |
106 return NGX_ERROR; | |
107 } | |
108 | |
109 b->temporary = 1; | |
110 b->pos = chunk; | |
111 b->last = ngx_sprintf(chunk, "%uxS" CRLF, size); | |
112 | |
113 out.buf = b; | |
114 #if 0 | |
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115 ngx_test_null(chunk, ngx_palloc(r->pool, 11), NGX_ERROR); |
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116 len = ngx_snprintf((char *) chunk, 11, SIZE_T_X_FMT CRLF, size); |
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117 |
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118 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR); |
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119 b->temporary = 1; |
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120 b->pos = chunk; |
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121 b->last = chunk + len; |
99
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122 |
343
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123 out.buf = b; |
455 | 124 #endif |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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125 } |
99
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126 |
343
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127 if (cl->buf->last_buf) { |
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128 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR); |
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129 b->memory = 1; |
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130 b->last_buf = 1; |
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131 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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132 b->last = b->pos + 7; |
99
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133 |
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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134 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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135 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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136 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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137 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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parents:
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138 out.buf = b; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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139 out.next = NULL; |
336
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140 |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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141 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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142 } |
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143 |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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144 } else { |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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145 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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146 *ll = NULL; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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147 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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148 } |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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149 |
343
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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150 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR); |
6bdf858bff8c
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Igor Sysoev <igor@sysoev.ru>
parents:
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151 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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parents:
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152 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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153 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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154 } |
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 |
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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diff
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156 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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diff
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157 tail.next = NULL; |
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nginx-0.0.3-2004-05-19-00:28:54 import
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158 *ll = &tail; |
99
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parents:
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159 |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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160 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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161 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
162 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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163 |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
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343
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164 static ngx_int_t ngx_http_chunked_filter_init(ngx_cycle_t *cycle) |
99
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165 { |
155
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nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
153
diff
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166 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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parents:
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167 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
|
168 |
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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169 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
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parents:
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170 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
|
171 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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172 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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|
173 } |