Mercurial > hg > nginx
annotate src/http/ngx_http_postpone_filter_module.c @ 4580:ae60a1085c82
Access module: fixed inheritance of allow/deny ipv6 rules.
Previous (incorrect) behaviour was to inherit ipv6 rules separately from
ipv4 ones. Now all rules are either inherited (if there are no rules
defined at current level) or not (if there are any rules defined).
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 10 Apr 2012 13:25:53 +0000 |
| parents | 586969d972b9 |
| children | f026adb935ad |
| rev | line source |
|---|---|
| 509 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 509 | 5 */ |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_http.h> | |
| 11 | |
| 12 | |
|
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13 static ngx_int_t ngx_http_postpone_filter_add(ngx_http_request_t *r, |
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14 ngx_chain_t *in); |
| 681 | 15 static ngx_int_t ngx_http_postpone_filter_init(ngx_conf_t *cf); |
| 509 | 16 |
| 17 | |
| 18 static ngx_http_module_t ngx_http_postpone_filter_module_ctx = { | |
| 19 NULL, /* preconfiguration */ | |
| 681 | 20 ngx_http_postpone_filter_init, /* postconfiguration */ |
| 509 | 21 |
| 22 NULL, /* create main configuration */ | |
| 23 NULL, /* init main configuration */ | |
| 24 | |
| 25 NULL, /* create server configuration */ | |
| 26 NULL, /* merge server configuration */ | |
| 27 | |
| 28 NULL, /* create location configuration */ | |
| 29 NULL /* merge location configuration */ | |
| 30 }; | |
| 31 | |
| 32 | |
| 33 ngx_module_t ngx_http_postpone_filter_module = { | |
| 34 NGX_MODULE_V1, | |
| 35 &ngx_http_postpone_filter_module_ctx, /* module context */ | |
| 36 NULL, /* module directives */ | |
| 37 NGX_HTTP_MODULE, /* module type */ | |
| 541 | 38 NULL, /* init master */ |
| 681 | 39 NULL, /* init module */ |
| 541 | 40 NULL, /* init process */ |
| 41 NULL, /* init thread */ | |
| 42 NULL, /* exit thread */ | |
| 43 NULL, /* exit process */ | |
| 44 NULL, /* exit master */ | |
| 45 NGX_MODULE_V1_PADDING | |
| 509 | 46 }; |
| 47 | |
| 48 | |
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49 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
| 509 | 50 |
| 51 | |
| 52 static ngx_int_t | |
| 53 ngx_http_postpone_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
| 54 { | |
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55 ngx_connection_t *c; |
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56 ngx_http_postponed_request_t *pr; |
| 509 | 57 |
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58 c = r->connection; |
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59 |
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60 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
| 583 | 61 "http postpone filter \"%V?%V\" %p", &r->uri, &r->args, in); |
| 527 | 62 |
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63 if (r != c->data) { |
| 509 | 64 |
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65 if (in) { |
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66 ngx_http_postpone_filter_add(r, in); |
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67 return NGX_OK; |
| 509 | 68 } |
| 69 | |
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70 #if 0 |
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71 /* TODO: SSI may pass NULL */ |
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72 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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73 "http postpone filter NULL inactive request", |
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74 &r->uri, &r->args); |
| 641 | 75 #endif |
| 76 | |
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77 return NGX_OK; |
| 583 | 78 } |
| 79 | |
| 80 if (r->postponed == NULL) { | |
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81 |
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82 if (in || c->buffered) { |
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83 return ngx_http_next_body_filter(r->main, in); |
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84 } |
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85 |
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86 return NGX_OK; |
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87 } |
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88 |
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89 if (in) { |
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90 ngx_http_postpone_filter_add(r, in); |
| 583 | 91 } |
| 92 | |
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93 do { |
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94 pr = r->postponed; |
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95 |
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96 if (pr->request) { |
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97 |
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98 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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99 "http postpone filter wake \"%V?%V\"", |
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100 &pr->request->uri, &pr->request->args); |
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101 |
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102 r->postponed = pr->next; |
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103 |
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104 c->data = pr->request; |
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105 |
| 3064 | 106 return ngx_http_post_request(pr->request, NULL); |
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107 } |
| 583 | 108 |
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109 if (pr->out == NULL) { |
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110 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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111 "http postpone filter NULL output", |
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112 &r->uri, &r->args); |
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113 |
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114 } else { |
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115 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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116 "http postpone filter output \"%V?%V\"", |
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117 &r->uri, &r->args); |
| 509 | 118 |
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119 if (ngx_http_next_body_filter(r->main, pr->out) == NGX_ERROR) { |
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120 return NGX_ERROR; |
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121 } |
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122 } |
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123 |
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124 r->postponed = pr->next; |
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125 |
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126 } while (r->postponed); |
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127 |
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128 return NGX_OK; |
| 509 | 129 } |
| 130 | |
| 131 | |
| 132 static ngx_int_t | |
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133 ngx_http_postpone_filter_add(ngx_http_request_t *r, ngx_chain_t *in) |
| 583 | 134 { |
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135 ngx_http_postponed_request_t *pr, **ppr; |
| 583 | 136 |
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137 if (r->postponed) { |
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138 for (pr = r->postponed; pr->next; pr = pr->next) { /* void */ } |
| 583 | 139 |
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140 if (pr->request == NULL) { |
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141 goto found; |
| 583 | 142 } |
| 143 | |
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144 ppr = &pr->next; |
| 583 | 145 |
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146 } else { |
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147 ppr = &r->postponed; |
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148 } |
| 595 | 149 |
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150 pr = ngx_palloc(r->pool, sizeof(ngx_http_postponed_request_t)); |
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151 if (pr == NULL) { |
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152 return NGX_ERROR; |
| 583 | 153 } |
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154 |
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155 *ppr = pr; |
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156 |
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157 pr->request = NULL; |
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158 pr->out = NULL; |
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159 pr->next = NULL; |
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160 |
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161 found: |
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162 |
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163 if (ngx_chain_add_copy(r->pool, &pr->out, in) == NGX_OK) { |
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164 return NGX_OK; |
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165 } |
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166 |
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167 return NGX_ERROR; |
| 583 | 168 } |
| 169 | |
| 170 | |
| 171 static ngx_int_t | |
| 681 | 172 ngx_http_postpone_filter_init(ngx_conf_t *cf) |
| 509 | 173 { |
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174 ngx_http_next_body_filter = ngx_http_top_body_filter; |
| 509 | 175 ngx_http_top_body_filter = ngx_http_postpone_filter; |
| 176 | |
| 177 return NGX_OK; | |
| 178 } |