Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_chunked_filter_module.c @ 6699:9cf2dce316e5
Fixed log levels of configuration parsing errors.
All the errors that prevent loading configuration must be printed on the "emerg"
log level. Previously, nginx might silently fail to load configuration in some
cases as the default log level is "error".
author | Valentin Bartenev <vbart@nginx.com> |
---|---|
date | Tue, 20 Sep 2016 15:07:16 +0300 |
parents | f01ab2dbcfdc |
children | 1b068a4e82d8 |
rev | line source |
---|---|
441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
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13 typedef struct { |
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14 ngx_chain_t *free; |
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15 ngx_chain_t *busy; |
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16 } ngx_http_chunked_filter_ctx_t; |
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17 |
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18 |
681 | 19 static ngx_int_t ngx_http_chunked_filter_init(ngx_conf_t *cf); |
99
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20 |
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21 |
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22 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = { |
509 | 23 NULL, /* preconfiguration */ |
681 | 24 ngx_http_chunked_filter_init, /* postconfiguration */ |
177
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25 |
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26 NULL, /* create main configuration */ |
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27 NULL, /* init main configuration */ |
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28 |
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29 NULL, /* create server configuration */ |
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30 NULL, /* merge server configuration */ |
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31 |
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32 NULL, /* create location configuration */ |
629 | 33 NULL /* merge location configuration */ |
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34 }; |
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35 |
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36 |
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37 ngx_module_t ngx_http_chunked_filter_module = { |
509 | 38 NGX_MODULE_V1, |
99
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39 &ngx_http_chunked_filter_module_ctx, /* module context */ |
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40 NULL, /* module directives */ |
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41 NGX_HTTP_MODULE, /* module type */ |
541 | 42 NULL, /* init master */ |
681 | 43 NULL, /* init module */ |
541 | 44 NULL, /* init process */ |
45 NULL, /* init thread */ | |
46 NULL, /* exit thread */ | |
47 NULL, /* exit process */ | |
48 NULL, /* exit master */ | |
49 NGX_MODULE_V1_PADDING | |
99
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50 }; |
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51 |
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52 |
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53 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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54 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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55 |
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56 |
501 | 57 static ngx_int_t |
58 ngx_http_chunked_header_filter(ngx_http_request_t *r) | |
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59 { |
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60 ngx_http_core_loc_conf_t *clcf; |
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61 ngx_http_chunked_filter_ctx_t *ctx; |
3484 | 62 |
615 | 63 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED |
64 || r->headers_out.status == NGX_HTTP_NO_CONTENT | |
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65 || r->headers_out.status < NGX_HTTP_OK |
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66 || r != r->main |
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67 || r->method == NGX_HTTP_HEAD) |
615 | 68 { |
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69 return ngx_http_next_header_filter(r); |
135
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70 } |
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71 |
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72 if (r->headers_out.content_length_n == -1) { |
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73 if (r->http_version < NGX_HTTP_VERSION_11) { |
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74 r->keepalive = 0; |
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75 |
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76 } else { |
3484 | 77 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
78 | |
79 if (clcf->chunked_transfer_encoding) { | |
80 r->chunked = 1; | |
81 | |
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82 ctx = ngx_pcalloc(r->pool, |
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83 sizeof(ngx_http_chunked_filter_ctx_t)); |
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84 if (ctx == NULL) { |
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85 return NGX_ERROR; |
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86 } |
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87 |
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88 ngx_http_set_ctx(r, ctx, ngx_http_chunked_filter_module); |
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89 |
3484 | 90 } else { |
91 r->keepalive = 0; | |
92 } | |
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93 } |
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94 } |
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95 |
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96 return ngx_http_next_header_filter(r); |
99
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97 } |
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98 |
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99 |
501 | 100 static ngx_int_t |
101 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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102 { |
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103 u_char *chunk; |
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104 off_t size; |
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105 ngx_int_t rc; |
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106 ngx_buf_t *b; |
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107 ngx_chain_t *out, *cl, *tl, **ll; |
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108 ngx_http_chunked_filter_ctx_t *ctx; |
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109 |
483 | 110 if (in == NULL || !r->chunked || r->header_only) { |
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111 return ngx_http_next_body_filter(r, in); |
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112 } |
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113 |
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114 ctx = ngx_http_get_module_ctx(r, ngx_http_chunked_filter_module); |
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115 |
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116 out = NULL; |
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117 ll = &out; |
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118 |
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119 size = 0; |
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120 cl = in; |
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121 |
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122 for ( ;; ) { |
336
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123 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
6480 | 124 "http chunk: %O", ngx_buf_size(cl->buf)); |
336
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125 |
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126 size += ngx_buf_size(cl->buf); |
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127 |
667 | 128 if (cl->buf->flush |
129 || cl->buf->sync | |
130 || ngx_buf_in_memory(cl->buf) | |
131 || cl->buf->in_file) | |
132 { | |
501 | 133 tl = ngx_alloc_chain_link(r->pool); |
134 if (tl == NULL) { | |
461 | 135 return NGX_ERROR; |
136 } | |
137 | |
452 | 138 tl->buf = cl->buf; |
139 *ll = tl; | |
140 ll = &tl->next; | |
141 } | |
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142 |
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143 if (cl->next == NULL) { |
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144 break; |
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145 } |
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146 |
155
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147 cl = cl->next; |
99
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148 } |
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149 |
336
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150 if (size) { |
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151 tl = ngx_chain_get_free_buf(r->pool, &ctx->free); |
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152 if (tl == NULL) { |
455 | 153 return NGX_ERROR; |
154 } | |
155 | |
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156 b = tl->buf; |
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157 chunk = b->start; |
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158 |
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159 if (chunk == NULL) { |
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160 /* the "0000000000000000" is 64-bit hexadecimal string */ |
501 | 161 |
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162 chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); |
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163 if (chunk == NULL) { |
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164 return NGX_ERROR; |
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165 } |
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166 |
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167 b->start = chunk; |
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168 b->end = chunk + sizeof("0000000000000000" CRLF) - 1; |
455 | 169 } |
170 | |
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171 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; |
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172 b->memory = 0; |
455 | 173 b->temporary = 1; |
174 b->pos = chunk; | |
473 | 175 b->last = ngx_sprintf(chunk, "%xO" CRLF, size); |
455 | 176 |
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177 tl->next = out; |
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178 out = tl; |
336
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179 } |
99
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180 |
343
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181 if (cl->buf->last_buf) { |
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182 tl = ngx_chain_get_free_buf(r->pool, &ctx->free); |
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183 if (tl == NULL) { |
461 | 184 return NGX_ERROR; |
185 } | |
4128 | 186 |
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187 b = tl->buf; |
461 | 188 |
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189 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; |
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190 b->temporary = 0; |
343
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191 b->memory = 1; |
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192 b->last_buf = 1; |
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193 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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194 b->last = b->pos + 7; |
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195 |
343
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196 cl->buf->last_buf = 0; |
336
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197 |
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198 *ll = tl; |
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199 |
336
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200 if (size == 0) { |
343
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201 b->pos += 2; |
336
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202 } |
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203 |
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204 } else if (size > 0) { |
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205 tl = ngx_chain_get_free_buf(r->pool, &ctx->free); |
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206 if (tl == NULL) { |
461 | 207 return NGX_ERROR; |
208 } | |
209 | |
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210 b = tl->buf; |
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211 |
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212 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; |
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213 b->temporary = 0; |
343
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214 b->memory = 1; |
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215 b->pos = (u_char *) CRLF; |
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216 b->last = b->pos + 2; |
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217 |
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218 *ll = tl; |
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219 |
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220 } else { |
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221 *ll = NULL; |
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222 } |
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223 |
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224 rc = ngx_http_next_body_filter(r, out); |
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225 |
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226 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, |
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227 (ngx_buf_tag_t) &ngx_http_chunked_filter_module); |
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228 |
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229 return rc; |
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230 } |
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231 |
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232 |
501 | 233 static ngx_int_t |
681 | 234 ngx_http_chunked_filter_init(ngx_conf_t *cf) |
99
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235 { |
155
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236 ngx_http_next_header_filter = ngx_http_top_header_filter; |
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237 ngx_http_top_header_filter = ngx_http_chunked_header_filter; |
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238 |
155
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239 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
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240 ngx_http_top_body_filter = ngx_http_chunked_body_filter; |
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241 |
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242 return NGX_OK; |
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243 } |