Mercurial > hg > nginx
annotate src/http/modules/ngx_http_chunked_filter_module.c @ 501:d4ea69372b94 release-0.1.25
nginx-0.1.25-RELEASE import
*) Bugfix: nginx did run on Linux parisc.
*) Feature: nginx now does not start under FreeBSD if the sysctl
kern.ipc.somaxconn value is too big.
*) Bugfix: if a request was internally redirected by the
ngx_http_index_module module to the ngx_http_proxy_module or
ngx_http_fastcgi_module modules, then the index file was not closed
after request completion.
*) Feature: the "proxy_pass" can be used in location with regular
expression.
*) Feature: the ngx_http_rewrite_filter_module module supports the
condition like "if ($HTTP_USER_AGENT ~ MSIE)".
*) Bugfix: nginx started too slow if the large number of addresses and
text values were used in the "geo" directive.
*) Change: a variable name must be declared as "$name" in the "geo"
directive. The previous variant without "$" is still supported, but
will be removed soon.
*) Feature: the "%{VARIABLE}v" logging parameter.
*) Feature: the "set $name value" directive.
*) Bugfix: gcc 4.0 compatibility.
*) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sat, 19 Mar 2005 12:38:37 +0000 |
parents | src/http/modules/ngx_http_chunked_filter.c@621229427cba |
children | 9b8c906f6e63 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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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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17 |
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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 */ |
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34 ngx_http_chunked_filter_init, /* init module */ |
461 | 35 NULL /* init process */ |
99
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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 |
501 | 43 static ngx_int_t |
44 ngx_http_chunked_header_filter(ngx_http_request_t *r) | |
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45 { |
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46 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { |
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47 return ngx_http_next_header_filter(r); |
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48 } |
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49 |
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50 if (r->headers_out.content_length_n == -1) { |
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51 if (r->http_version < NGX_HTTP_VERSION_11) { |
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52 r->keepalive = 0; |
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53 |
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54 } else { |
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55 r->chunked = 1; |
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56 } |
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57 } |
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58 |
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59 return ngx_http_next_header_filter(r); |
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60 } |
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61 |
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62 |
501 | 63 static ngx_int_t |
64 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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65 { |
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66 u_char *chunk; |
473 | 67 off_t size; |
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68 ngx_buf_t *b; |
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69 ngx_chain_t out, tail, *cl, *tl, **ll; |
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70 |
483 | 71 if (in == NULL || !r->chunked || r->header_only) { |
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72 return ngx_http_next_body_filter(r, in); |
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73 } |
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74 |
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75 out.buf = NULL; |
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76 ll = &out.next; |
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77 |
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78 size = 0; |
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79 cl = in; |
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80 |
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81 for ( ;; ) { |
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82 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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83 "http chunk: %d", ngx_buf_size(cl->buf)); |
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84 |
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85 size += ngx_buf_size(cl->buf); |
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86 |
452 | 87 if (cl->buf->flush || ngx_buf_in_memory(cl->buf) || cl->buf->in_file) { |
461 | 88 |
501 | 89 tl = ngx_alloc_chain_link(r->pool); |
90 if (tl == NULL) { | |
461 | 91 return NGX_ERROR; |
92 } | |
93 | |
452 | 94 tl->buf = cl->buf; |
95 *ll = tl; | |
96 ll = &tl->next; | |
97 } | |
99
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98 |
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99 if (cl->next == NULL) { |
99
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100 break; |
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101 } |
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102 |
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103 cl = cl->next; |
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104 } |
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105 |
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106 if (size) { |
501 | 107 b = ngx_calloc_buf(r->pool); |
108 if (b == NULL) { | |
455 | 109 return NGX_ERROR; |
110 } | |
111 | |
501 | 112 /* the "0000000000000000" is 64-bit hexadimal string */ |
113 | |
473 | 114 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); |
115 if (chunk == NULL) { | |
455 | 116 return NGX_ERROR; |
117 } | |
118 | |
119 b->temporary = 1; | |
120 b->pos = chunk; | |
473 | 121 b->last = ngx_sprintf(chunk, "%xO" CRLF, size); |
455 | 122 |
123 out.buf = b; | |
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124 } |
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125 |
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126 if (cl->buf->last_buf) { |
501 | 127 b = ngx_calloc_buf(r->pool); |
128 if (b == NULL) { | |
461 | 129 return NGX_ERROR; |
130 } | |
131 | |
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132 b->memory = 1; |
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133 b->last_buf = 1; |
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134 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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135 b->last = b->pos + 7; |
99
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136 |
343
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137 cl->buf->last_buf = 0; |
336
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138 |
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139 if (size == 0) { |
343
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140 b->pos += 2; |
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141 out.buf = b; |
337
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142 out.next = NULL; |
336
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143 |
337
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144 return ngx_http_next_body_filter(r, &out); |
336
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145 } |
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146 |
99
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147 } else { |
336
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148 if (size == 0) { |
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149 *ll = NULL; |
337
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150 return ngx_http_next_body_filter(r, out.next); |
336
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151 } |
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152 |
501 | 153 b = ngx_calloc_buf(r->pool); |
154 if (b == NULL) { | |
461 | 155 return NGX_ERROR; |
156 } | |
157 | |
343
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158 b->memory = 1; |
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159 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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160 b->last = b->pos + 2; |
99
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161 } |
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162 |
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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163 tail.buf = b; |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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164 tail.next = NULL; |
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165 *ll = &tail; |
99
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parents:
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166 |
337
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nginx-0.0.3-2004-05-19-00:28:54 import
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167 return ngx_http_next_body_filter(r, &out); |
99
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parents:
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168 } |
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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169 |
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170 |
501 | 171 static ngx_int_t |
172 ngx_http_chunked_filter_init(ngx_cycle_t *cycle) | |
99
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173 { |
155
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174 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
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parents:
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175 ngx_http_top_header_filter = ngx_http_chunked_header_filter; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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176 |
155
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parents:
153
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177 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
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178 ngx_http_top_body_filter = ngx_http_chunked_body_filter; |
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parents:
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179 |
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180 return NGX_OK; |
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181 } |