Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_chunked_filter.c @ 356:2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 16 Jun 2004 15:32:11 +0000 |
parents | 6bdf858bff8c |
children | da8c5707af39 |
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 ngx_int_t 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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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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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 ngx_int_t 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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44 if (r->headers_out.content_length_n == -1) { |
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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 ngx_int_t ngx_http_chunked_body_filter(ngx_http_request_t *r, |
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58 ngx_chain_t *in) |
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59 { |
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60 u_char *chunk; |
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61 size_t size, len; |
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62 ngx_buf_t *b; |
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63 ngx_chain_t out, tail, *cl, *tl, **ll; |
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64 |
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65 if (in == NULL || !r->chunked) { |
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66 return ngx_http_next_body_filter(r, in); |
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67 } |
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68 |
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69 out.buf = 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_buf_size(cl->buf)); |
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78 |
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79 size += ngx_buf_size(cl->buf); |
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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->buf = cl->buf; |
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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); |
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96 |
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97 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR); |
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98 b->temporary = 1; |
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99 b->pos = chunk; |
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100 b->last = chunk + len; |
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101 |
343
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102 out.buf = b; |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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103 } |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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104 |
343
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105 if (cl->buf->last_buf) { |
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106 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR); |
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107 b->memory = 1; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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108 b->last_buf = 1; |
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109 b->pos = (u_char *) CRLF "0" CRLF CRLF; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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110 b->last = b->pos + 7; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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111 |
343
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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112 cl->buf->last_buf = 0; |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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113 |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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114 if (size == 0) { |
343
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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115 b->pos += 2; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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116 out.buf = b; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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117 out.next = NULL; |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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118 |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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119 return ngx_http_next_body_filter(r, &out); |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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120 } |
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nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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121 |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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122 } else { |
336
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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123 if (size == 0) { |
ca9a7f8c86da
nginx-0.0.3-2004-05-18-19:29:08 import
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parents:
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124 *ll = NULL; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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125 return ngx_http_next_body_filter(r, out.next); |
336
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nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
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126 } |
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nginx-0.0.3-2004-05-18-19:29:08 import
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127 |
343
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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128 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR); |
6bdf858bff8c
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parents:
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129 b->memory = 1; |
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parents:
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130 b->pos = (u_char *) CRLF; |
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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
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131 b->last = b->pos + 2; |
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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132 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
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133 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents:
337
diff
changeset
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134 tail.buf = b; |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
diff
changeset
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135 tail.next = NULL; |
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
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parents:
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diff
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136 *ll = &tail; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
137 |
337
4feff829a849
nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
336
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138 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:
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changeset
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139 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
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142 static ngx_int_t 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
|
143 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
144 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
|
145 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
|
146 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
147 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
|
148 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
|
149 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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150 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 } |