Mercurial > hg > nginx
annotate src/http/ngx_http_filter.c @ 4:c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 22 Aug 2002 15:24:03 +0000 |
parents | 34a521b1a148 |
children | 62b1a364857c |
rev | line source |
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nginx-0.0.1-2002-08-20-18:48:28 import
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1 |
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nginx-0.0.1-2002-08-22-19:24:03 import
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3 #include <ngx_hunk.h> |
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4 #include <ngx_http.h> |
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5 #include <ngx_http_filter.h> |
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7 |
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nginx-0.0.1-2002-08-20-18:48:28 import
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8 ngx_http_module_t ngx_http_filter_module; |
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9 |
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10 |
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11 /* STUB */ |
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nginx-0.0.1-2002-08-20-18:48:28 import
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12 static ngx_http_filter_ctx_t module_ctx; |
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13 |
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14 void ngx_http_filter_init() |
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15 { |
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16 module_ctx.hunk_size = 32 * 1024; |
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17 module_ctx.out.hunk = NULL; |
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18 module_ctx.out.next = NULL; |
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19 module_ctx.next_filter = ngx_http_write_filter; |
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20 |
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21 ngx_http_filter_module.ctx = &module_ctx; |
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22 } |
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23 /* */ |
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24 |
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25 |
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26 /* |
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27 int ngx_http_filter(ngx_http_request_t *r, ngx_chain_t *in) |
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28 */ |
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29 |
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30 /* |
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31 flags NGX_HUNK_RECYCLED, NGX_HUNK_FLUSH, NGX_HUNK_LAST |
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32 */ |
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33 |
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nginx-0.0.1-2002-08-20-18:48:28 import
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34 int ngx_http_filter(ngx_http_request_t *r, ngx_hunk_t *hunk) |
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35 { |
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36 int rc; |
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nginx-0.0.1-2002-08-22-19:24:03 import
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37 size_t size; |
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nginx-0.0.1-2002-08-22-19:24:03 import
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38 ssize_t n; |
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nginx-0.0.1-2002-08-22-19:24:03 import
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39 ngx_chain_t *ce; |
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40 ngx_http_filter_ctx_t *ctx; |
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41 |
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42 ctx = (ngx_http_filter_ctx_t *) |
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nginx-0.0.1-2002-08-20-18:48:28 import
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43 ngx_get_module_ctx(r->main ? r->main : r, |
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nginx-0.0.1-2002-08-20-18:48:28 import
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44 &ngx_http_filter_module); |
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45 |
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46 if (hunk && (hunk->type & NGX_HUNK_LAST)) |
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nginx-0.0.1-2002-08-22-19:24:03 import
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47 ctx->last = 1; |
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48 |
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49 /* input chain is not empty */ |
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50 if (ctx->in) { |
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51 |
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52 while (ctx->in) { |
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53 |
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54 /* add hunk to input chain */ |
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55 if (hunk) { |
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56 for (ce = ctx->in; ce->next; ce = ce->next) |
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57 /* void */ ; |
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58 |
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59 ngx_add_hunk_to_chain(ce->next, hunk, r->pool, |
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60 NGX_ERROR); |
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61 } |
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62 |
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63 /* our hunk is still busy */ |
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64 if (ctx->hunk->pos.mem < ctx->hunk->last.mem) { |
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nginx-0.0.1-2002-08-22-19:24:03 import
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65 rc = ctx->next_filter(r, NULL); |
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66 |
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67 /* our hunk is free */ |
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68 } else { |
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69 ctx->out.hunk = ctx->hunk; |
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70 |
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71 rc = ngx_http_filter_copy_hunk(ctx->hunk, ctx->in->hunk); |
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72 #if (NGX_FILE_AIO) |
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73 if (rc == NGX_AGAIN) |
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74 return rc; |
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75 #endif |
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76 if (rc == NGX_ERROR) |
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77 return rc; |
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78 |
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79 /* whole hunk is copied so we send to next filter chain part |
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80 up to next hunk that need to be copied */ |
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81 if (ctx->in->hunk->pos.mem == ctx->in->hunk->last.mem) { |
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82 ctx->out.next = ctx->in->next; |
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83 |
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84 for (ce = ctx->in->next; ce; ce = ce->next) { |
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85 if (ce->type & NGX_HUNK_FILE) |
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86 break; |
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87 |
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88 if ((ce->type & NGX_HUNK_MEMORY|NGX_HUNK_MMAP) |
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89 && (r->filter & NGX_HTTP_FILTER_NEED_TEMP)) |
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90 break; |
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91 } |
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92 |
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93 ctx->out.next = ce; |
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94 |
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95 } else { |
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96 ctx->out.next = NULL; |
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97 } |
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98 |
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99 rc = ctx->next_filter(r, &ctx->out); |
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100 } |
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101 |
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102 if (rc == NGX_OK) |
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103 ctx->hunk->pos.mem = ctx->hunk->last.mem = ctx->hunk->start; |
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nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
104 else |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
105 return rc; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
106 } |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
107 |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
108 /* input chain is empty */ |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
109 } else { |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
111 if (hunk == NULL) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
112 rc = ctx->next_filter(r, NULL); |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 } else { |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
115 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
116 /* we need to copy hunk to our hunk */ |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
117 if (((r->filter & NGX_HTTP_FILTER_NEED_IN_MEMORY) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
118 && (hunk->type & NGX_HUNK_FILE)) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
119 || ((r->filter & NGX_HTTP_FILTER_NEED_TEMP) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
120 && (hunk->type & NGX_HUNK_MEMORY|NGX_HUNK_MMAP)) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
121 ) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
122 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
123 /* out hunk is still busy */ |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
124 if (ctx->hunk && ctx->hunk->pos.mem < ctx->hunk->last.mem) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
125 ngx_add_hunk_to_chain(ctx->in, hunk, r->pool, |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
126 NGX_ERROR); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
127 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
128 rc = ctx->next_filter(r, NULL); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
129 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
130 } else { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
131 if (ctx->hunk == NULL) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
132 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
133 if (hunk->type & NGX_HUNK_LAST) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
134 size = hunk->last.mem - hunk->pos.mem; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
135 if (size > ctx->hunk_size) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
136 size = ctx->hunk_size; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
137 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
138 } else { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
139 size = ctx->hunk_size; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
140 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
141 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
142 ngx_test_null(ctx->hunk, |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
143 ngx_create_temp_hunk(r->pool, size, |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
144 50, 50), |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
145 NGX_ERROR); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
146 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
147 rc = ngx_http_filter_copy_hunk(ctx->hunk, |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
148 ctx->in->hunk); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
149 #if (NGX_FILE_AIO) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
150 if (rc == NGX_AGAIN) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
151 /* add hunk to input chain */ |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
152 ngx_add_hunk_to_chain(ctx->in, hunk, r->pool, |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
153 NGX_ERROR); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
154 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
155 return rc; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
156 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
157 #endif |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
158 if (rc == NGX_ERROR) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
159 return rc; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
160 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
161 if (ctx->in->hunk->pos.mem < ctx->in->hunk->last.mem) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
162 ngx_add_hunk_to_chain(ctx->in, hunk, r->pool, |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
163 NGX_ERROR); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
164 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
165 ctx->out.hunk = ctx->hunk; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
166 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
|
167 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
168 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
|
169 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
170 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
171 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
172 } else { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
173 ctx->out.hunk = hunk; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
174 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
|
175 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
176 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
|
177 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
178 } |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 } |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 } |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
182 if (rc == NGX_OK && ctx->last) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
183 /* STUB */ |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
184 return NGX_ERROR; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
185 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
186 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
187 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
|
188 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
|
189 #if level_event |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
190 ngx_del_event(r->connection->write, NGX_WRITE_EVENT); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
191 #endif |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
192 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
193 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
194 return rc; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
195 } |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
196 |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
198 int ngx_http_filter_copy_hunk(ngx_hunk_t *dst, ngx_hunk_t *src, ngx_log_t *log) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
199 { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
200 size_t size; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
201 |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
202 size = hunk->last.mem - hunk->pos.mem; |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
203 if (size > dst->end - dst->pos.mem) |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
204 size = dst->end - dst->pos.mem; |
3
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 |
4
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
206 if (src->type & NGX_HUNK_FILE) { |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
207 n = ngx_read_file(src->handle, dst->pos.mem, size); |
c5f071d376e5
nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
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208 |
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209 if (n == NGX_ERROR) { |
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210 ngx_log_error(NGX_LOG_ERR, log, ngx_errno, |
3
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211 ngx_read_file_n " failed for client"); |
4
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212 return NGX_ERROR; |
3
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213 |
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214 } else { |
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215 ngx_assert((n == size), /* void */ ; , log, |
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216 ngx_read_file_n " reads only %d of %d for client" _ |
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217 n _ size); |
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218 } |
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219 |
4
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nginx-0.0.1-2002-08-22-19:24:03 import
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220 src->pos.mem += n; |
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221 dst->last.mem += n; |
3
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222 |
4
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223 } else { |
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224 ngx_memcpy(src->pos.mem, dst->pos.mem, size); |
3
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225 |
4
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226 src->pos.mem += size; |
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227 dst->last.mem += size; |
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228 } |
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229 |
4
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230 return NGX_OK; |
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231 } |
3
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232 |
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nginx-0.0.1-2002-08-20-18:48:28 import
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233 |
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nginx-0.0.1-2002-08-20-18:48:28 import
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234 |
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nginx-0.0.1-2002-08-20-18:48:28 import
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235 |
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236 |
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nginx-0.0.1-2002-08-20-18:48:28 import
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237 /* if no hunk is passed and there is no our hunk |
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238 or our hunk is still busy then call next filter */ |
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239 if (hunk == NULL |
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240 && (ctx->hunk == NULL |
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nginx-0.0.1-2002-08-20-18:48:28 import
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241 || ((ctx->hunk != NULL) |
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nginx-0.0.1-2002-08-20-18:48:28 import
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242 && (ctx->hunk->pos.mem < ctx->hunk->last.mem)) |
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nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents:
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243 ) |
34a521b1a148
nginx-0.0.1-2002-08-20-18:48:28 import
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parents:
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244 ) |
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nginx-0.0.1-2002-08-20-18:48:28 import
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245 ctx->next_filter(r, NULL); |
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nginx-0.0.1-2002-08-20-18:48:28 import
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246 } |
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nginx-0.0.1-2002-08-20-18:48:28 import
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247 } |