Mercurial > hg > nginx
annotate src/http/ngx_http_output_filter.c @ 8:708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 02 Sep 2002 14:48:24 +0000 |
parents | src/http/ngx_http_filter.c@b5481d6fbbd4 |
children | 6f58641241bb |
rev | line source |
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1 |
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3 #include <ngx_core.h> |
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4 #include <ngx_files.h> |
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5 #include <ngx_string.h> |
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6 #include <ngx_hunk.h> |
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7 #include <ngx_http.h> |
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8 #include <ngx_http_output_filter.h> |
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9 |
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10 |
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11 /* STUB */ |
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12 int ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *in); |
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13 |
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14 |
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15 |
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16 static int ngx_http_output_filter_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src); |
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17 |
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18 ngx_http_module_t ngx_http_output_filter_module; |
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19 |
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20 |
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21 /* STUB */ |
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22 static ngx_http_output_filter_ctx_t module_ctx; |
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23 |
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24 void ngx_http_output_filter_init() |
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25 { |
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26 module_ctx.hunk_size = 32 * 1024; |
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27 module_ctx.out.hunk = NULL; |
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28 module_ctx.out.next = NULL; |
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29 module_ctx.next_filter = ngx_http_write_filter; |
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30 |
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31 ngx_http_output_filter_module.ctx = &module_ctx; |
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32 } |
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33 /* */ |
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34 |
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35 |
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36 /* |
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37 flags NGX_HUNK_RECYCLED, NGX_HUNK_FLUSH, NGX_HUNK_LAST |
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38 */ |
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39 |
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40 int ngx_http_output_filter(ngx_http_request_t *r, ngx_hunk_t *hunk) |
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41 { |
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42 int rc, first; |
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43 size_t size; |
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44 ssize_t n; |
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45 ngx_chain_t *ce; |
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46 ngx_http_output_filter_ctx_t *ctx; |
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47 |
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48 ctx = (ngx_http_output_filter_ctx_t *) |
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49 ngx_get_module_ctx(r->main ? r->main : r, |
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50 &ngx_http_output_filter_module); |
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51 |
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52 if (hunk && (hunk->type & NGX_HUNK_LAST)) |
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53 ctx->last = 1; |
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54 |
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55 first = 1; |
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56 |
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57 while (first || ctx->in) { |
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58 |
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59 /* input chain is not empty */ |
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60 if (ctx->in) { |
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61 |
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62 /* add hunk to input chain */ |
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63 if (first && hunk) { |
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64 for (ce = ctx->in; ce->next; ce = ce->next) |
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65 /* void */ ; |
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66 |
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67 ngx_add_hunk_to_chain(ce->next, hunk, r->pool, NGX_ERROR); |
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68 } |
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69 |
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70 first = 0; |
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71 |
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72 /* our hunk is still busy */ |
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73 if (ctx->hunk->pos.mem < ctx->hunk->last.mem) { |
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74 rc = ctx->next_filter(r, NULL); |
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75 |
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76 /* our hunk is free */ |
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77 } else { |
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78 ctx->out.hunk = ctx->hunk; |
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79 |
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80 rc = ngx_http_output_filter_copy_hunk(ctx->hunk, ctx->in->hunk); |
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81 #if (NGX_FILE_AIO) |
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82 if (rc == NGX_AGAIN) |
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83 return rc; |
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84 #endif |
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85 if (rc == NGX_ERROR) |
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86 return rc; |
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87 |
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88 /* whole hunk is copied so we send to next filter chain part |
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89 up to next hunk that need to be copied */ |
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90 if (ctx->in->hunk->pos.mem == ctx->in->hunk->last.mem) { |
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91 ctx->out.next = ctx->in->next; |
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92 |
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93 for (ce = ctx->in->next; ce; ce = ce->next) { |
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94 if (ce->hunk->type & NGX_HUNK_FILE) |
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95 break; |
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96 |
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97 if ((ce->hunk->type & NGX_HUNK_MEMORY|NGX_HUNK_MMAP) |
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98 && (r->filter & NGX_HTTP_FILTER_NEED_TEMP)) |
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99 break; |
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100 } |
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101 |
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102 ctx->out.next = ce; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
103 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
104 } else { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
105 ctx->out.next = NULL; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
106 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
107 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
108 rc = ctx->next_filter(r, &ctx->out); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
109 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
110 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
111 /* delete completed hunks from input chain */ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
112 for (ce = ctx->in; ce; ce = ce->next) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
113 if (ce->hunk->pos.file == ce->hunk->last.file) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
114 ctx->in = ce->next; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
115 } |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
116 |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
117 if (rc == NGX_OK) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
118 ctx->hunk->pos.mem = ctx->hunk->last.mem = ctx->hunk->start; |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 else |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
120 return rc; |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
122 /* input chain is empty */ |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 } else { |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
124 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
125 first = 0; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
126 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
127 if (hunk == NULL) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
128 rc = ctx->next_filter(r, NULL); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
129 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
130 } else { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
131 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
132 /* we need to copy hunk to our hunk */ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
133 if (((r->filter & NGX_HTTP_FILTER_NEED_IN_MEMORY) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
134 && (hunk->type & NGX_HUNK_FILE)) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
135 || ((r->filter & NGX_HTTP_FILTER_NEED_TEMP) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
136 && (hunk->type & NGX_HUNK_MEMORY|NGX_HUNK_MMAP)) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
137 ) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
138 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
139 /* out hunk is still busy */ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
140 if (ctx->hunk && ctx->hunk->pos.mem < ctx->hunk->last.mem) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
141 ngx_add_hunk_to_chain(ctx->in, hunk, r->pool, |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
142 NGX_ERROR); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
143 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
144 rc = ctx->next_filter(r, NULL); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
145 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
146 } else { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
147 if (ctx->hunk == NULL) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
148 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
149 if (hunk->type & NGX_HUNK_LAST) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
150 size = hunk->last.mem - hunk->pos.mem; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
151 if (size > ctx->hunk_size) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
152 size = ctx->hunk_size; |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
153 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
154 } else { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
155 size = ctx->hunk_size; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
156 } |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
157 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
158 ngx_test_null(ctx->hunk, |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
159 ngx_create_temp_hunk(r->pool, size, |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
160 50, 50), |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
161 NGX_ERROR); |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
162 ctx->hunk->type |= NGX_HUNK_RECYCLED; |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
163 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
164 rc = ngx_http_output_filter_copy_hunk(ctx->hunk, |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
165 hunk); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
166 #if (NGX_FILE_AIO) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
167 if (rc == NGX_AGAIN) { |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
168 /* add hunk to input chain */ |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
169 ngx_add_hunk_to_chain(ctx->in, hunk, r->pool, |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
170 NGX_ERROR); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
171 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
172 return rc; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
173 } |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
174 #endif |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
175 if (rc == NGX_ERROR) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
176 return rc; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
177 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
178 if (hunk->pos.mem < hunk->last.mem) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
179 ngx_add_hunk_to_chain(ctx->in, hunk, r->pool, |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
180 NGX_ERROR); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
181 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
182 ctx->out.hunk = ctx->hunk; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
183 ctx->out.next = NULL; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
184 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
185 rc = ctx->next_filter(r, &ctx->out); |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
186 } |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
187 } |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
188 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
189 } else { |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
190 ctx->out.hunk = hunk; |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
191 ctx->out.next = NULL; |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
192 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
193 rc = ctx->next_filter(r, &ctx->out); |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
194 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
195 } |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 } |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
197 |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
198 if (rc == NGX_OK && ctx->hunk) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
199 ctx->hunk->pos.mem = ctx->hunk->last.mem = ctx->hunk->start; |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 } |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 |
8
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
202 if (rc == NGX_OK && ctx->last) |
708f8bb772ec
nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
203 return NGX_OK; |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
204 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
205 if (rc == NGX_OK) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
206 ctx->hunk->pos.mem = ctx->hunk->last.mem = ctx->hunk->start; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
207 #if level_event |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
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208 ngx_del_event(r->connection->write, NGX_WRITE_EVENT); |
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209 #endif |
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210 } |
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211 |
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212 return rc; |
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213 } |
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214 |
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215 |
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216 static int ngx_http_output_filter_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src) |
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217 { |
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218 size_t size; |
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219 ssize_t n; |
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220 |
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221 size = src->last.mem - src->pos.mem; |
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222 if (size > dst->end - dst->pos.mem) |
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223 size = dst->end - dst->pos.mem; |
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224 |
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225 if (src->type & NGX_HUNK_FILE) { |
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226 n = ngx_read_file(src->file, dst->pos.mem, size, src->pos.file); |
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227 |
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228 if (n == NGX_ERROR) { |
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nginx-0.0.1-2002-08-23-20:14:30 import
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229 return n; |
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nginx-0.0.1-2002-08-23-20:14:30 import
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230 |
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nginx-0.0.1-2002-08-23-20:14:30 import
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231 #if (NGX_FILE_AIO) |
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232 } else if (n == NGX_AGAIN) { |
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233 return n; |
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nginx-0.0.1-2002-08-23-20:14:30 import
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234 #endif |
3
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235 |
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236 } else { |
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237 ngx_assert((n == size), /* void */ ; , src->file->log, |
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238 ngx_read_file_n " reads only %d of %d" _ |
4
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239 n _ size); |
3
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240 } |
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241 |
4
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nginx-0.0.1-2002-08-22-19:24:03 import
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242 src->pos.mem += n; |
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243 dst->last.mem += n; |
3
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244 |
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245 } else { |
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246 ngx_memcpy(src->pos.mem, dst->pos.mem, size); |
3
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nginx-0.0.1-2002-08-20-18:48:28 import
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247 |
4
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248 src->pos.mem += size; |
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249 dst->last.mem += size; |
3
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250 } |
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nginx-0.0.1-2002-08-20-18:48:28 import
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251 |
4
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252 return NGX_OK; |
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253 } |