Mercurial > hg > nginx-quic
annotate src/http/ngx_http_postpone_filter_module.c @ 4041:f87edc142316 stable-1.0
Merge of r3960, r3961, r3962, r3963, r3965:
SSL related fixes:
*) MSIE export versions are rare now, so RSA 512 key is generated on demand
and is shared among all hosts instead of pregenerating for every HTTPS host
on configuraiton phase. This decreases start time for configuration with
large number of HTTPS hosts.
*) ECDHE support; patch by Adrian Kotelba
*) fix build by gcc46 with -Wunused-value option
*) fix SSL connection issues on platforms with 32-bit off_t
*) do not try to reuse and save a SSL session for a peer created on the fly
by ngx_http_upstream_create_round_robin_peer(), since the peer lives
only during request so the saved SSL session will never be used again
and just causes memory leak
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 29 Aug 2011 12:35:53 +0000 |
parents | 23e6f26fb4bd |
children | d620f497c50f |
rev | line source |
---|---|
509 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_http.h> | |
10 | |
11 | |
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12 static ngx_int_t ngx_http_postpone_filter_add(ngx_http_request_t *r, |
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13 ngx_chain_t *in); |
681 | 14 static ngx_int_t ngx_http_postpone_filter_init(ngx_conf_t *cf); |
509 | 15 |
16 | |
17 static ngx_http_module_t ngx_http_postpone_filter_module_ctx = { | |
18 NULL, /* preconfiguration */ | |
681 | 19 ngx_http_postpone_filter_init, /* postconfiguration */ |
509 | 20 |
21 NULL, /* create main configuration */ | |
22 NULL, /* init main configuration */ | |
23 | |
24 NULL, /* create server configuration */ | |
25 NULL, /* merge server configuration */ | |
26 | |
27 NULL, /* create location configuration */ | |
28 NULL /* merge location configuration */ | |
29 }; | |
30 | |
31 | |
32 ngx_module_t ngx_http_postpone_filter_module = { | |
33 NGX_MODULE_V1, | |
34 &ngx_http_postpone_filter_module_ctx, /* module context */ | |
35 NULL, /* module directives */ | |
36 NGX_HTTP_MODULE, /* module type */ | |
541 | 37 NULL, /* init master */ |
681 | 38 NULL, /* init module */ |
541 | 39 NULL, /* init process */ |
40 NULL, /* init thread */ | |
41 NULL, /* exit thread */ | |
42 NULL, /* exit process */ | |
43 NULL, /* exit master */ | |
44 NGX_MODULE_V1_PADDING | |
509 | 45 }; |
46 | |
47 | |
48 static ngx_http_output_body_filter_pt ngx_http_next_filter; | |
49 | |
50 | |
51 static ngx_int_t | |
52 ngx_http_postpone_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
53 { | |
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54 ngx_connection_t *c; |
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55 ngx_http_postponed_request_t *pr; |
509 | 56 |
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57 c = r->connection; |
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58 |
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59 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0, |
583 | 60 "http postpone filter \"%V?%V\" %p", &r->uri, &r->args, in); |
527 | 61 |
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62 if (r != c->data) { |
509 | 63 |
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64 if (in) { |
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65 ngx_http_postpone_filter_add(r, in); |
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66 return NGX_OK; |
509 | 67 } |
68 | |
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69 #if 0 |
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70 /* TODO: SSI may pass NULL */ |
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71 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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72 "http postpone filter NULL inactive request", |
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73 &r->uri, &r->args); |
641 | 74 #endif |
75 | |
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76 return NGX_OK; |
583 | 77 } |
78 | |
79 if (r->postponed == NULL) { | |
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80 |
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81 if (in || c->buffered) { |
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82 return ngx_http_next_filter(r->main, in); |
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83 } |
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84 |
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85 return NGX_OK; |
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86 } |
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87 |
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88 if (in) { |
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89 ngx_http_postpone_filter_add(r, in); |
583 | 90 } |
91 | |
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92 do { |
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93 pr = r->postponed; |
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94 |
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95 if (pr->request) { |
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96 |
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97 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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98 "http postpone filter wake \"%V?%V\"", |
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99 &pr->request->uri, &pr->request->args); |
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100 |
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101 r->postponed = pr->next; |
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102 |
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103 c->data = pr->request; |
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104 |
3064 | 105 return ngx_http_post_request(pr->request, NULL); |
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106 } |
583 | 107 |
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108 if (pr->out == NULL) { |
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109 ngx_log_error(NGX_LOG_ALERT, c->log, 0, |
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110 "http postpone filter NULL output", |
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111 &r->uri, &r->args); |
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112 |
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113 } else { |
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114 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
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115 "http postpone filter output \"%V?%V\"", |
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116 &r->uri, &r->args); |
509 | 117 |
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118 if (ngx_http_next_filter(r->main, pr->out) == NGX_ERROR) { |
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119 return NGX_ERROR; |
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120 } |
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121 } |
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122 |
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123 r->postponed = pr->next; |
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124 |
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125 } while (r->postponed); |
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126 |
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127 return NGX_OK; |
509 | 128 } |
129 | |
130 | |
131 static ngx_int_t | |
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132 ngx_http_postpone_filter_add(ngx_http_request_t *r, ngx_chain_t *in) |
583 | 133 { |
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134 ngx_http_postponed_request_t *pr, **ppr; |
583 | 135 |
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136 if (r->postponed) { |
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137 for (pr = r->postponed; pr->next; pr = pr->next) { /* void */ } |
583 | 138 |
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139 if (pr->request == NULL) { |
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140 goto found; |
583 | 141 } |
142 | |
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143 ppr = &pr->next; |
583 | 144 |
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145 } else { |
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146 ppr = &r->postponed; |
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147 } |
595 | 148 |
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149 pr = ngx_palloc(r->pool, sizeof(ngx_http_postponed_request_t)); |
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150 if (pr == NULL) { |
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151 return NGX_ERROR; |
583 | 152 } |
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153 |
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154 *ppr = pr; |
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155 |
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156 pr->request = NULL; |
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157 pr->out = NULL; |
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158 pr->next = NULL; |
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159 |
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160 found: |
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161 |
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162 if (ngx_chain_add_copy(r->pool, &pr->out, in) == NGX_OK) { |
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163 return NGX_OK; |
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164 } |
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165 |
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166 return NGX_ERROR; |
583 | 167 } |
168 | |
169 | |
170 static ngx_int_t | |
681 | 171 ngx_http_postpone_filter_init(ngx_conf_t *cf) |
509 | 172 { |
173 ngx_http_next_filter = ngx_http_top_body_filter; | |
174 ngx_http_top_body_filter = ngx_http_postpone_filter; | |
175 | |
176 return NGX_OK; | |
177 } |