Mercurial > hg > nginx-quic
annotate src/core/ngx_output_chain.c @ 2131:baadc109def6
release-0.7.7 tag
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 30 Jul 2008 12:55:04 +0000 |
parents | 25add486e7aa |
children | 61a09532e310 |
rev | line source |
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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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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_event.h> |
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10 |
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11 |
469 | 12 #if 0 |
13 #define NGX_SENDFILE_LIMIT 4096 | |
14 #endif | |
15 | |
16 | |
17 #define NGX_NONE 1 | |
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18 |
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19 |
467 | 20 static ngx_inline ngx_int_t |
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21 ngx_output_chain_need_to_copy(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf); |
469 | 22 static ngx_int_t ngx_output_chain_add_copy(ngx_pool_t *pool, |
499 | 23 ngx_chain_t **chain, ngx_chain_t *in); |
343
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24 static ngx_int_t ngx_output_chain_copy_buf(ngx_buf_t *dst, ngx_buf_t *src, |
499 | 25 ngx_uint_t sendfile); |
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26 |
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27 |
499 | 28 ngx_int_t |
29 ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in) | |
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30 { |
473 | 31 off_t bsize; |
32 size_t size; | |
597 | 33 ngx_int_t rc, last; |
34 ngx_uint_t recycled; | |
2129 | 35 ngx_buf_t *b; |
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36 ngx_chain_t *cl, *out, **last_out; |
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37 |
455 | 38 if (ctx->in == NULL && ctx->busy == NULL) { |
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39 |
469 | 40 /* |
41 * the short path for the case when the ctx->in and ctx->busy chains | |
42 * are empty, the incoming chain is empty too or has the single buf | |
43 * that does not require the copy | |
44 */ | |
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45 |
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46 if (in == NULL) { |
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47 return ctx->output_filter(ctx->filter_ctx, in); |
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48 } |
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49 |
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50 if (in->next == NULL |
469 | 51 #if (NGX_SENDFILE_LIMIT) |
52 && !(in->buf->in_file && in->buf->file_last > NGX_SENDFILE_LIMIT) | |
53 #endif | |
509 | 54 && !ngx_output_chain_need_to_copy(ctx, in->buf)) |
160
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55 { |
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56 return ctx->output_filter(ctx->filter_ctx, in); |
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57 } |
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58 } |
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59 |
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60 /* add the incoming buf to the chain ctx->in */ |
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61 |
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62 if (in) { |
469 | 63 if (ngx_output_chain_add_copy(ctx->pool, &ctx->in, in) == NGX_ERROR) { |
160
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64 return NGX_ERROR; |
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65 } |
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66 } |
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67 |
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68 out = NULL; |
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69 last_out = &out; |
499 | 70 last = NGX_NONE; |
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71 |
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72 for ( ;; ) { |
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73 |
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74 while (ctx->in) { |
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75 |
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76 /* |
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77 * cycle while there are the ctx->in bufs |
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78 * or there are the free output bufs to copy in |
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79 */ |
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80 |
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81 bsize = ngx_buf_size(ctx->in->buf); |
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82 |
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83 if (bsize == 0 && !ngx_buf_special(ctx->in->buf)) { |
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84 |
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85 ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0, |
483 | 86 "zero size buf in output " |
87 "t:%d r:%d f:%d %p %p-%p %p %O-%O", | |
88 ctx->in->buf->temporary, | |
89 ctx->in->buf->recycled, | |
90 ctx->in->buf->in_file, | |
91 ctx->in->buf->start, | |
92 ctx->in->buf->pos, | |
93 ctx->in->buf->last, | |
94 ctx->in->buf->file, | |
95 ctx->in->buf->file_pos, | |
96 ctx->in->buf->file_last); | |
403
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97 |
473 | 98 ngx_debug_point(); |
99 | |
403
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100 ctx->in = ctx->in->next; |
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101 |
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102 continue; |
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103 } |
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104 |
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105 if (!ngx_output_chain_need_to_copy(ctx, ctx->in->buf)) { |
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106 |
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107 /* move the chain link to the output chain */ |
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108 |
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109 cl = ctx->in; |
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110 ctx->in = cl->next; |
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111 |
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112 *last_out = cl; |
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113 last_out = &cl->next; |
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114 cl->next = NULL; |
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115 |
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116 continue; |
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117 } |
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118 |
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119 if (ctx->buf == NULL) { |
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120 |
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121 /* get the free buf */ |
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122 |
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123 if (ctx->free) { |
507 | 124 cl = ctx->free; |
125 ctx->buf = cl->buf; | |
126 ctx->free = cl->next; | |
127 ngx_free_chain(ctx->pool, cl); | |
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128 |
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129 } else if (out || ctx->allocated == ctx->bufs.num) { |
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130 |
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131 break; |
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132 |
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133 } else { |
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134 |
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135 size = ctx->bufs.size; |
597 | 136 recycled = 1; |
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137 |
509 | 138 if (ctx->in->buf->last_in_chain) { |
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139 |
473 | 140 if (bsize < (off_t) ctx->bufs.size) { |
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141 |
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142 /* |
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143 * allocate small temp buf for the small last buf |
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144 * or its small last part |
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145 */ |
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146 |
473 | 147 size = (size_t) bsize; |
597 | 148 recycled = 0; |
160
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149 |
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150 } else if (ctx->bufs.num == 1 |
473 | 151 && (bsize < (off_t) (ctx->bufs.size |
152 + (ctx->bufs.size >> 2)))) | |
160
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153 { |
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154 /* |
343
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155 * allocate a temp buf that equals |
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156 * to the last buf if the last buf size is lesser |
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157 * than 1.25 of bufs.size and a temp buf is single |
160
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158 */ |
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159 |
473 | 160 size = (size_t) bsize; |
597 | 161 recycled = 0; |
160
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162 } |
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163 } |
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164 |
2129 | 165 b = ngx_calloc_buf(ctx->pool); |
166 if (b == NULL) { | |
343
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167 return NGX_ERROR; |
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168 } |
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169 |
2129 | 170 /* |
171 * allocate block aligned to a disk sector size | |
172 * to enable O_DIRECT | |
173 */ | |
174 | |
175 b->start = ngx_pmemalign(ctx->pool, size, 512); | |
176 if (b->start == NULL) { | |
177 return NGX_ERROR; | |
178 } | |
179 | |
180 b->pos = b->start; | |
181 b->last = b->start; | |
182 b->end = b->last + size; | |
183 b->temporary = 1; | |
184 b->tag = ctx->tag; | |
185 b->recycled = recycled; | |
186 | |
187 ctx->buf = b; | |
343
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188 ctx->allocated++; |
160
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189 } |
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190 } |
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191 |
343
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192 rc = ngx_output_chain_copy_buf(ctx->buf, ctx->in->buf, |
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193 ctx->sendfile); |
160
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194 |
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195 if (rc == NGX_ERROR) { |
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196 return rc; |
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197 } |
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198 |
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199 if (rc == NGX_AGAIN) { |
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200 if (out) { |
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201 break; |
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202 } |
430
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203 |
160
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204 return rc; |
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205 } |
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206 |
343
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207 /* delete the completed buf from the ctx->in chain */ |
160
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208 |
343
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209 if (ngx_buf_size(ctx->in->buf) == 0) { |
160
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210 ctx->in = ctx->in->next; |
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211 } |
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212 |
501 | 213 cl = ngx_alloc_chain_link(ctx->pool); |
214 if (cl == NULL) { | |
461 | 215 return NGX_ERROR; |
216 } | |
501 | 217 |
461 | 218 cl->buf = ctx->buf; |
219 cl->next = NULL; | |
160
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220 *last_out = cl; |
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221 last_out = &cl->next; |
343
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222 ctx->buf = NULL; |
160
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223 } |
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224 |
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225 if (out == NULL && last != NGX_NONE) { |
509 | 226 |
227 if (ctx->in) { | |
228 return NGX_AGAIN; | |
229 } | |
230 | |
160
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231 return last; |
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232 } |
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233 |
294
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234 last = ctx->output_filter(ctx->filter_ctx, out); |
160
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235 |
569 | 236 if (last == NGX_ERROR || last == NGX_DONE) { |
237 return last; | |
238 } | |
239 | |
160
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240 ngx_chain_update_chains(&ctx->free, &ctx->busy, &out, ctx->tag); |
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241 last_out = &out; |
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242 } |
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243 } |
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244 |
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245 |
467 | 246 static ngx_inline ngx_int_t |
499 | 247 ngx_output_chain_need_to_copy(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf) |
160
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248 { |
469 | 249 ngx_uint_t sendfile; |
250 | |
343
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251 if (ngx_buf_special(buf)) { |
160
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252 return 0; |
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253 } |
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254 |
469 | 255 sendfile = ctx->sendfile; |
256 | |
257 #if (NGX_SENDFILE_LIMIT) | |
258 | |
259 if (buf->in_file && buf->file_pos >= NGX_SENDFILE_LIMIT) { | |
260 sendfile = 0; | |
261 } | |
262 | |
263 #endif | |
264 | |
265 if (!sendfile) { | |
455 | 266 |
343
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267 if (!ngx_buf_in_memory(buf)) { |
170
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268 return 1; |
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269 } |
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270 |
343
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271 buf->in_file = 0; |
160
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272 } |
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273 |
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274 if (ctx->need_in_memory && !ngx_buf_in_memory(buf)) { |
160
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275 return 1; |
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276 } |
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277 |
343
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278 if (ctx->need_in_temp && (buf->memory || buf->mmap)) { |
160
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279 return 1; |
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280 } |
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281 |
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282 return 0; |
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283 } |
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284 |
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285 |
499 | 286 static ngx_int_t |
287 ngx_output_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, | |
288 ngx_chain_t *in) | |
469 | 289 { |
290 ngx_chain_t *cl, **ll; | |
291 #if (NGX_SENDFILE_LIMIT) | |
292 ngx_buf_t *b, *buf; | |
293 #endif | |
294 | |
295 ll = chain; | |
296 | |
297 for (cl = *chain; cl; cl = cl->next) { | |
298 ll = &cl->next; | |
299 } | |
300 | |
301 while (in) { | |
302 | |
501 | 303 cl = ngx_alloc_chain_link(pool); |
304 if (cl == NULL) { | |
469 | 305 return NGX_ERROR; |
306 } | |
307 | |
308 #if (NGX_SENDFILE_LIMIT) | |
309 | |
310 buf = in->buf; | |
311 | |
312 if (buf->in_file | |
313 && buf->file_pos < NGX_SENDFILE_LIMIT | |
314 && buf->file_last > NGX_SENDFILE_LIMIT) | |
315 { | |
501 | 316 b = ngx_calloc_buf(pool); |
317 if (b == NULL) { | |
469 | 318 return NGX_ERROR; |
319 } | |
320 | |
321 ngx_memcpy(b, buf, sizeof(ngx_buf_t)); | |
322 | |
323 if (ngx_buf_in_memory(buf)) { | |
324 buf->pos += (ssize_t) (NGX_SENDFILE_LIMIT - buf->file_pos); | |
325 b->last = buf->pos; | |
326 } | |
327 | |
328 buf->file_pos = NGX_SENDFILE_LIMIT; | |
329 b->file_last = NGX_SENDFILE_LIMIT; | |
330 | |
331 cl->buf = b; | |
332 | |
333 } else { | |
334 cl->buf = buf; | |
335 in = in->next; | |
336 } | |
337 | |
338 #else | |
339 cl->buf = in->buf; | |
340 in = in->next; | |
341 | |
342 #endif | |
343 | |
344 *ll = cl; | |
345 ll = &cl->next; | |
346 } | |
347 | |
348 *ll = NULL; | |
349 | |
350 return NGX_OK; | |
351 } | |
352 | |
353 | |
499 | 354 static ngx_int_t |
355 ngx_output_chain_copy_buf(ngx_buf_t *dst, ngx_buf_t *src, ngx_uint_t sendfile) | |
160
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356 { |
473 | 357 off_t size; |
194
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358 ssize_t n; |
160
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359 |
343
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diff
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|
360 size = ngx_buf_size(src); |
160
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parents:
diff
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361 |
473 | 362 if (size > dst->end - dst->pos) { |
160
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parents:
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363 size = dst->end - dst->pos; |
e7e094d34162
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parents:
diff
changeset
|
364 } |
e7e094d34162
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parents:
diff
changeset
|
365 |
469 | 366 #if (NGX_SENDFILE_LIMIT) |
367 | |
368 if (src->in_file && src->file_pos >= NGX_SENDFILE_LIMIT) { | |
369 sendfile = 0; | |
370 } | |
371 | |
372 #endif | |
373 | |
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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334
diff
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374 if (ngx_buf_in_memory(src)) { |
473 | 375 ngx_memcpy(dst->pos, src->pos, (size_t) size); |
376 src->pos += (size_t) size; | |
377 dst->last += (size_t) size; | |
160
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parents:
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378 |
455 | 379 if (src->in_file) { |
380 | |
381 if (sendfile) { | |
382 dst->in_file = 1; | |
383 dst->file = src->file; | |
384 dst->file_pos = src->file_pos; | |
385 dst->file_last = src->file_pos + size; | |
386 | |
387 } else { | |
388 dst->in_file = 0; | |
389 } | |
390 | |
160
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parents:
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391 src->file_pos += size; |
452 | 392 |
393 } else { | |
394 dst->in_file = 0; | |
160
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parents:
diff
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|
395 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
396 |
1227
3e40f3e4376c
inherit flush flag, this fixes https proxying
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parents:
1226
diff
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|
397 if (src->pos == src->last) { |
3e40f3e4376c
inherit flush flag, this fixes https proxying
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diff
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398 dst->flush = src->flush; |
3e40f3e4376c
inherit flush flag, this fixes https proxying
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1226
diff
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|
399 dst->last_buf = src->last_buf; |
160
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
400 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
401 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
402 } else { |
473 | 403 n = ngx_read_file(src->file, dst->pos, (size_t) size, src->file_pos); |
160
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
404 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
405 if (n == NGX_ERROR) { |
517 | 406 return (ngx_int_t) n; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
407 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
408 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
409 #if (NGX_FILE_AIO_READ) |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
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parents:
diff
changeset
|
410 if (n == NGX_AGAIN) { |
517 | 411 return (ngx_int_t) n; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
412 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
413 #endif |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
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parents:
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414 |
473 | 415 if (n != size) { |
160
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parents:
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416 ngx_log_error(NGX_LOG_ALERT, src->file->log, 0, |
473 | 417 ngx_read_file_n " reads only %z of %O from file", |
160
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
418 n, size); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
419 if (n == 0) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
420 return NGX_ERROR; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
421 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
422 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
423 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
424 dst->last += n; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
425 |
452 | 426 if (sendfile) { |
427 dst->in_file = 1; | |
428 dst->file = src->file; | |
429 dst->file_pos = src->file_pos; | |
455 | 430 dst->file_last = src->file_pos + n; |
452 | 431 |
432 } else { | |
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:
334
diff
changeset
|
433 dst->in_file = 0; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
434 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
435 |
455 | 436 src->file_pos += n; |
437 | |
1238 | 438 if (src->file_pos == src->file_last) { |
1227
3e40f3e4376c
inherit flush flag, this fixes https proxying
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parents:
1226
diff
changeset
|
439 dst->flush = src->flush; |
3e40f3e4376c
inherit flush flag, this fixes https proxying
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parents:
1226
diff
changeset
|
440 dst->last_buf = src->last_buf; |
160
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
441 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
442 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
443 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
444 return NGX_OK; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
445 } |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
446 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
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parents:
160
diff
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|
447 |
499 | 448 ngx_int_t |
449 ngx_chain_writer(void *data, ngx_chain_t *in) | |
162
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nginx-0.0.1-2003-10-28-00:01:00 import
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parents:
160
diff
changeset
|
450 { |
166
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
|
451 ngx_chain_writer_ctx_t *ctx = data; |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
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parents:
160
diff
changeset
|
452 |
1962 | 453 off_t size; |
454 ngx_chain_t *cl; | |
455 ngx_connection_t *c; | |
456 | |
457 c = ctx->connection; | |
162
96993d4d5067
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parents:
160
diff
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|
458 |
473 | 459 for (size = 0; in; in = in->next) { |
460 | |
461 #if 1 | |
462 if (ngx_buf_size(in->buf) == 0 && !ngx_buf_special(in->buf)) { | |
463 ngx_debug_point(); | |
464 } | |
465 #endif | |
466 | |
467 size += ngx_buf_size(in->buf); | |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
403
diff
changeset
|
468 |
1962 | 469 ngx_log_debug2(NGX_LOG_DEBUG_CORE, c->log, 0, |
1226 | 470 "chain writer buf fl:%d s:%uO", |
471 in->buf->flush, ngx_buf_size(in->buf)); | |
408
d6e2b445c1b8
nginx-0.0.10-2004-08-27-19:40:59 import
Igor Sysoev <igor@sysoev.ru>
parents:
403
diff
changeset
|
472 |
501 | 473 cl = ngx_alloc_chain_link(ctx->pool); |
474 if (cl == NULL) { | |
461 | 475 return NGX_ERROR; |
476 } | |
501 | 477 |
461 | 478 cl->buf = in->buf; |
479 cl->next = NULL; | |
162
96993d4d5067
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Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
480 *ctx->last = cl; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
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parents:
160
diff
changeset
|
481 ctx->last = &cl->next; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
482 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
483 |
1962 | 484 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0, |
461 | 485 "chain writer in: %p", ctx->out); |
291
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
486 |
473 | 487 for (cl = ctx->out; cl; cl = cl->next) { |
488 | |
489 #if 1 | |
490 if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) { | |
491 ngx_debug_point(); | |
492 } | |
493 | |
494 #endif | |
495 | |
496 size += ngx_buf_size(cl->buf); | |
497 } | |
498 | |
1962 | 499 if (size == 0 && !c->buffered) { |
473 | 500 return NGX_OK; |
501 } | |
502 | |
1962 | 503 ctx->out = c->send_chain(c, ctx->out, ctx->limit); |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
504 |
1962 | 505 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0, |
461 | 506 "chain writer out: %p", ctx->out); |
291
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
257
diff
changeset
|
507 |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
508 if (ctx->out == NGX_CHAIN_ERROR) { |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
509 return NGX_ERROR; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
510 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
511 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
512 if (ctx->out == NULL) { |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
513 ctx->last = &ctx->out; |
1211 | 514 |
1962 | 515 if (!c->buffered) { |
1215
fb3ff245c96b
an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents:
1211
diff
changeset
|
516 return NGX_OK; |
fb3ff245c96b
an request body might not be passed to backend,
Igor Sysoev <igor@sysoev.ru>
parents:
1211
diff
changeset
|
517 } |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
518 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
519 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
520 return NGX_AGAIN; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
521 } |