Mercurial > hg > nginx
annotate src/core/ngx_output_chain.c @ 162:96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 27 Oct 2003 21:01:00 +0000 |
parents | e7e094d34162 |
children | 84036764e215 |
rev | line source |
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nginx-0.0.1-2003-10-27-11:53:49 import
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_event.h> |
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5 |
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6 |
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7 #define NGX_NONE 1 |
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8 |
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9 |
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10 ngx_inline static int ngx_output_chain_need_to_copy(ngx_output_chain_ctx_t *ctx, |
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11 ngx_hunk_t *hunk); |
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12 static int ngx_output_chain_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src, |
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13 int sendfile); |
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14 |
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15 |
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16 int ngx_output_chain(ngx_output_chain_ctx_t *ctx, ngx_chain_t *in) |
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17 { |
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18 int rc, last; |
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19 ssize_t size, hsize; |
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20 ngx_chain_t *cl, *out, **last_out; |
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21 |
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22 /* |
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23 * the short path for the case when the chain ctx->in is empty |
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24 * and the incoming chain is empty too or it has the single hunk |
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25 * that does not require the copy |
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26 */ |
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27 |
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28 if (ctx->in == NULL) { |
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29 |
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30 if (in == NULL) { |
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31 return ctx->output_filter(ctx->output_ctx, in); |
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32 } |
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33 |
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34 if (in->next == NULL |
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35 && (!ngx_output_chain_need_to_copy(ctx, in->hunk))) |
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36 { |
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37 return ctx->output_filter(ctx->output_ctx, in); |
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38 } |
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39 } |
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40 |
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41 /* add the incoming hunk to the chain ctx->in */ |
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42 |
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43 if (in) { |
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44 if (ngx_chain_add_copy(ctx->pool, &ctx->in, in) == NGX_ERROR) { |
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45 return NGX_ERROR; |
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46 } |
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47 } |
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48 |
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49 last = NGX_NONE; |
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50 last_out = &out; |
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51 |
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52 for ( ;; ) { |
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53 |
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54 while (ctx->in) { |
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55 |
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56 if (!ngx_output_chain_need_to_copy(ctx, ctx->in->hunk)) { |
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57 |
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58 /* move the chain link to the chain out */ |
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59 |
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60 cl = ctx->in; |
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61 ctx->in = cl->next; |
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62 |
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63 *last_out = cl; |
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64 last_out = &cl->next; |
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65 cl->next = NULL; |
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66 |
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67 continue; |
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68 } |
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69 |
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70 if (ctx->hunk == NULL) { |
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71 |
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72 /* get the free hunk */ |
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73 |
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74 if (ctx->free) { |
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75 ctx->hunk = ctx->free->hunk; |
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76 ctx->free = ctx->free->next; |
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77 |
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78 } else if (ctx->hunks < ctx->bufs.num) { |
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79 |
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80 size = ctx->bufs.size; |
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81 |
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82 if (ctx->in->hunk->type & NGX_HUNK_LAST) { |
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83 |
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84 hsize = ngx_hunk_size(ctx->in->hunk); |
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85 |
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86 if (hsize < ctx->bufs.size) { |
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87 |
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88 /* |
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89 * allocate small temp hunk for the small last hunk |
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90 * or its small last part |
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91 */ |
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92 |
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93 size = hsize; |
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94 |
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95 } else if (ctx->bufs.num == 1 |
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96 && (hsize < ctx->bufs.size |
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97 + (ctx->bufs.size >> 2))) |
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98 { |
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99 /* |
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100 * allocate a temp hunk that equals |
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101 * to the last hunk if the last hunk size is lesser |
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102 * than 1.25 of bufs.size and a temp hunk is single |
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103 */ |
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104 |
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105 size = hsize; |
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106 } |
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107 } |
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108 |
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109 ngx_test_null(ctx->hunk, |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 ngx_create_temp_hunk(ctx->pool, size, 0, 0), |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 NGX_ERROR); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
112 ctx->hunk->tag = ctx->tag; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
113 ctx->hunk->type |= NGX_HUNK_RECYCLED; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
114 ctx->hunks++; |
e7e094d34162
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
116 } else { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 break; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
118 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
120 |
e7e094d34162
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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121 rc = ngx_output_chain_copy_hunk(ctx->hunk, ctx->in->hunk, |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
122 ctx->sendfile); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 |
e7e094d34162
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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124 if (rc == NGX_ERROR) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
125 return rc; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
126 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
128 if (rc == NGX_AGAIN) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
129 if (out) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 break; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
132 return rc; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
134 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
135 /* delete the completed hunk from the chain ctx->in */ |
e7e094d34162
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
136 |
e7e094d34162
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
137 if (ngx_hunk_size(ctx->in->hunk) == 0) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
138 ctx->in = ctx->in->next; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
139 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
140 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
141 ngx_alloc_link_and_set_hunk(cl, ctx->hunk, ctx->pool, NGX_ERROR); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
142 *last_out = cl; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 last_out = &cl->next; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
144 ctx->hunk = NULL; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 if (ctx->free == NULL) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 break; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
151 if (out == NULL && last != NGX_NONE) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
152 return last; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
155 last = ctx->output_filter(ctx->output_ctx, out); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 ngx_chain_update_chains(&ctx->free, &ctx->busy, &out, ctx->tag); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
158 last_out = &out; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 ngx_inline static int ngx_output_chain_need_to_copy(ngx_output_chain_ctx_t *ctx, |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 ngx_hunk_t *hunk) |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 if (ngx_hunk_special(hunk)) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
167 return 0; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 if (!ctx->sendfile) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 return 1; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 if (ctx->need_in_memory && (!(hunk->type & NGX_HUNK_IN_MEMORY))) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 return 1; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 if (ctx->need_in_temp && (hunk->type & (NGX_HUNK_MEMORY|NGX_HUNK_MMAP))) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 return 1; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
183 return 0; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
187 static int ngx_output_chain_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src, |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
188 int sendfile) |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 ssize_t n, size; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 size = ngx_hunk_size(src); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 if (size > (dst->end - dst->pos)) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 size = dst->end - dst->pos; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 if (src->type & NGX_HUNK_IN_MEMORY) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 ngx_memcpy(dst->pos, src->pos, size); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 src->pos += size; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 dst->last += size; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 if (src->type & NGX_HUNK_FILE) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 src->file_pos += size; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 if ((src->type & NGX_HUNK_LAST) && src->pos == src->last) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 dst->type |= NGX_HUNK_LAST; |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 } else { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 n = ngx_read_file(src->file, dst->pos, size, src->file_pos); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 if (n == 0) { |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 ngx_log_debug(src->file->log, "READ: %qd:%qd %X:%X %X:%X" _ |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 src->file_pos _ src->file_last _ |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 dst->pos _ dst->last _ dst->start _ dst->end); |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 } |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 |
e7e094d34162
nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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220 if (n == NGX_ERROR) { |
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221 return n; |
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nginx-0.0.1-2003-10-27-11:53:49 import
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222 } |
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223 |
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nginx-0.0.1-2003-10-27-11:53:49 import
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224 #if (NGX_FILE_AIO_READ) |
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nginx-0.0.1-2003-10-27-11:53:49 import
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225 if (n == NGX_AGAIN) { |
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226 return n; |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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227 } |
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228 #endif |
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229 |
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nginx-0.0.1-2003-10-27-11:53:49 import
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230 if (n != size) { |
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parents:
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231 ngx_log_error(NGX_LOG_ALERT, src->file->log, 0, |
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nginx-0.0.1-2003-10-27-11:53:49 import
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232 ngx_read_file_n " reads only %d of %d from file", |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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233 n, size); |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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234 if (n == 0) { |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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235 return NGX_ERROR; |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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236 } |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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237 } |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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238 |
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nginx-0.0.1-2003-10-27-11:53:49 import
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239 src->file_pos += n; |
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nginx-0.0.1-2003-10-27-11:53:49 import
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240 dst->last += n; |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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241 |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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242 if (!sendfile) { |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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243 dst->type &= ~NGX_HUNK_FILE; |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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244 } |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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245 |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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246 if ((src->type & NGX_HUNK_LAST) && src->file_pos == src->file_last) { |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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247 dst->type |= NGX_HUNK_LAST; |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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248 } |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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249 } |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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250 |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
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251 return NGX_OK; |
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nginx-0.0.1-2003-10-27-11:53:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
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252 } |
162
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
253 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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254 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
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255 int ngx_chain_write(void *data, ngx_chain_t *in) |
96993d4d5067
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Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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256 { |
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nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
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257 ngx_chain_write_ctx_t *ctx = data; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
258 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
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259 ngx_chain_t *cl; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
260 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
261 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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262 for (/* void */; in; in = in->next) { |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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263 ngx_alloc_link_and_set_hunk(cl, in->hunk, ctx->pool, NGX_ERROR); |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
264 *ctx->last = cl; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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265 ctx->last = &cl->next; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
266 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
267 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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268 ctx->out = ngx_write_chain(ctx->connection, ctx->out); |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
269 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
270 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
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271 return NGX_ERROR; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
272 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
273 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
274 if (ctx->out == NULL) { |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
275 ctx->last = &ctx->out; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
276 return NGX_OK; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
277 } |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
278 |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
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|
279 return NGX_AGAIN; |
96993d4d5067
nginx-0.0.1-2003-10-28-00:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
280 } |