Mercurial > hg > nginx
annotate src/http/modules/ngx_http_chunked_filter.c @ 336:ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 18 May 2004 15:29:08 +0000 |
parents | a472bfb778b3 |
children | 4feff829a849 |
rev | line source |
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99
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nginx-0.0.1-2003-06-02-19:24:30 import
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1 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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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_http.h> |
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5 |
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7 static int ngx_http_chunked_filter_init(ngx_cycle_t *cycle); |
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8 |
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9 |
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10 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = { |
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11 NULL, /* pre conf */ |
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13 NULL, /* create main configuration */ |
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14 NULL, /* init main configuration */ |
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15 |
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16 NULL, /* create server configuration */ |
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17 NULL, /* merge server configuration */ |
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18 |
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19 NULL, /* create location configuration */ |
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20 NULL, /* merge location configuration */ |
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21 }; |
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22 |
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23 |
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nginx-0.0.1-2003-06-02-19:24:30 import
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24 ngx_module_t ngx_http_chunked_filter_module = { |
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25 NGX_MODULE, |
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26 &ngx_http_chunked_filter_module_ctx, /* module context */ |
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27 NULL, /* module directives */ |
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28 NGX_HTTP_MODULE, /* module type */ |
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nginx-0.0.1-2003-07-02-22:51:41 import
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29 ngx_http_chunked_filter_init, /* init module */ |
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30 NULL /* init child */ |
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31 }; |
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32 |
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33 |
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34 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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35 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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36 |
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37 |
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38 static int ngx_http_chunked_header_filter(ngx_http_request_t *r) |
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39 { |
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40 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { |
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41 return ngx_http_next_header_filter(r); |
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42 } |
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43 |
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nginx-0.0.1-2003-10-21-20:49:56 import
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44 if (r->headers_out.content_length_n == -1) { |
99
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45 if (r->http_version < NGX_HTTP_VERSION_11) { |
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46 r->keepalive = 0; |
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47 |
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48 } else { |
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49 r->chunked = 1; |
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50 } |
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51 } |
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52 |
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53 return ngx_http_next_header_filter(r); |
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54 } |
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55 |
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56 |
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57 static int ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) |
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58 { |
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nginx-0.0.2-2004-03-16-10:10:12 import
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59 u_char *chunk; |
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60 size_t size, len; |
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61 ngx_hunk_t *h; |
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62 ngx_chain_t *out, *cl, *tl, **ll; |
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63 |
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64 if (in == NULL || !r->chunked) { |
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65 return ngx_http_next_body_filter(r, in); |
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66 } |
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67 |
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68 ngx_test_null(out, ngx_alloc_chain_link(r->pool), NGX_ERROR); |
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69 out->hunk = NULL; |
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70 ll = &out->next; |
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71 |
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72 size = 0; |
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73 cl = in; |
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74 |
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75 for ( ;; ) { |
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76 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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77 "http chunk: %d", ngx_hunk_size(cl->hunk)); |
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78 |
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79 size += ngx_hunk_size(cl->hunk); |
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80 |
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81 ngx_test_null(tl, ngx_alloc_chain_link(r->pool), NGX_ERROR); |
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82 tl->hunk = cl->hunk; |
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83 *ll = tl; |
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84 ll = &tl->next; |
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85 |
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86 if (cl->next == NULL) { |
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87 break; |
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88 } |
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89 |
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90 cl = cl->next; |
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91 } |
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92 |
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93 if (size) { |
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94 ngx_test_null(chunk, ngx_palloc(r->pool, 11), NGX_ERROR); |
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95 len = ngx_snprintf((char *) chunk, 11, SIZE_T_X_FMT CRLF, size); |
99
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96 |
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97 ngx_test_null(h, ngx_calloc_hunk(r->pool), NGX_ERROR); |
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98 h->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_TEMP; |
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99 h->pos = chunk; |
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100 h->last = chunk + len; |
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101 |
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102 out->hunk = h; |
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diff
changeset
|
103 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
104 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
105 if (cl->hunk->type & NGX_HUNK_LAST) { |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
106 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
107 ngx_test_null(h, ngx_calloc_hunk(r->pool), NGX_ERROR); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 h->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_MEMORY|NGX_HUNK_LAST; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
109 h->pos = (u_char *) CRLF "0" CRLF CRLF; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 h->last = h->pos + 7; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
112 cl->hunk->type &= ~NGX_HUNK_LAST; |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
113 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
114 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
115 out->hunk = h; |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
116 out->next = NULL; |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
117 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
118 return ngx_http_next_body_filter(r, out); |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
119 } |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
120 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 } else { |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
122 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
123 *ll = NULL; |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
124 return ngx_http_next_body_filter(r, out->next); |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
125 } |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
126 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
127 ngx_test_null(h, ngx_calloc_hunk(r->pool), NGX_ERROR); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 h->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_MEMORY; |
292
a472bfb778b3
nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
129 h->pos = (u_char *) CRLF; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 h->last = h->pos + 2; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
133 ngx_alloc_link_and_set_hunk(tl, h, r->pool, NGX_ERROR); |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
134 *ll = tl; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
136 return ngx_http_next_body_filter(r, out); |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 |
113
d7f606e25b99
nginx-0.0.1-2003-07-04-19:10:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
110
diff
changeset
|
140 static int ngx_http_chunked_filter_init(ngx_cycle_t *cycle) |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
142 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 ngx_http_top_header_filter = ngx_http_chunked_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
145 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 ngx_http_top_body_filter = ngx_http_chunked_body_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 } |