Mercurial > hg > nginx-quic
annotate src/http/ngx_http_upstream_round_robin.h @ 6168:62869a9b2e7d
Added the REQUEST_SCHEME parameter.
The REQUEST_SCHEME parameter was introduced in Apache 2.3.11 and seems
to be used by some scripts now. It looks more logical than previously
used HTTPS.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 05 Jun 2015 22:23:26 +0300 |
parents | 79ddb0bdb273 |
children | 311d232ad803 |
rev | line source |
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884 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
884 | 5 */ |
6 | |
7 | |
8 #ifndef _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ | |
9 #define _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 #include <ngx_http.h> | |
15 | |
16 | |
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17 typedef struct ngx_http_upstream_rr_peer_s ngx_http_upstream_rr_peer_t; |
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18 |
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19 struct ngx_http_upstream_rr_peer_s { |
884 | 20 struct sockaddr *sockaddr; |
21 socklen_t socklen; | |
22 ngx_str_t name; | |
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23 ngx_str_t server; |
884 | 24 |
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25 ngx_int_t current_weight; |
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26 ngx_int_t effective_weight; |
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27 ngx_int_t weight; |
884 | 28 |
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29 ngx_uint_t conns; |
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30 |
884 | 31 ngx_uint_t fails; |
32 time_t accessed; | |
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33 time_t checked; |
884 | 34 |
35 ngx_uint_t max_fails; | |
36 time_t fail_timeout; | |
37 | |
38 ngx_uint_t down; /* unsigned down:1; */ | |
39 | |
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40 #if (NGX_HTTP_SSL) |
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41 void *ssl_session; |
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42 int ssl_session_len; |
884 | 43 #endif |
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44 |
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45 ngx_http_upstream_rr_peer_t *next; |
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46 |
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47 #if (NGX_HTTP_UPSTREAM_ZONE) |
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48 ngx_atomic_t lock; |
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49 #endif |
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50 }; |
884 | 51 |
52 | |
1378 | 53 typedef struct ngx_http_upstream_rr_peers_s ngx_http_upstream_rr_peers_t; |
54 | |
55 struct ngx_http_upstream_rr_peers_s { | |
884 | 56 ngx_uint_t number; |
57 | |
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58 #if (NGX_HTTP_UPSTREAM_ZONE) |
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59 ngx_slab_pool_t *shpool; |
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60 ngx_atomic_t rwlock; |
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61 #endif |
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62 |
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63 ngx_uint_t total_weight; |
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64 |
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65 unsigned single:1; |
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66 unsigned weighted:1; |
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67 |
884 | 68 ngx_str_t *name; |
69 | |
1378 | 70 ngx_http_upstream_rr_peers_t *next; |
71 | |
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72 ngx_http_upstream_rr_peer_t *peer; |
1378 | 73 }; |
884 | 74 |
75 | |
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76 #if (NGX_HTTP_UPSTREAM_ZONE) |
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77 |
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78 #define ngx_http_upstream_rr_peers_rlock(peers) \ |
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79 \ |
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80 if (peers->shpool) { \ |
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81 ngx_rwlock_rlock(&peers->rwlock); \ |
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82 } |
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83 |
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84 #define ngx_http_upstream_rr_peers_wlock(peers) \ |
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85 \ |
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86 if (peers->shpool) { \ |
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87 ngx_rwlock_wlock(&peers->rwlock); \ |
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88 } |
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89 |
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90 #define ngx_http_upstream_rr_peers_unlock(peers) \ |
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91 \ |
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92 if (peers->shpool) { \ |
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93 ngx_rwlock_unlock(&peers->rwlock); \ |
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94 } |
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95 |
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96 |
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97 #define ngx_http_upstream_rr_peer_lock(peers, peer) \ |
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98 \ |
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99 if (peers->shpool) { \ |
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100 ngx_rwlock_wlock(&peer->lock); \ |
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101 } |
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102 |
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103 #define ngx_http_upstream_rr_peer_unlock(peers, peer) \ |
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104 \ |
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105 if (peers->shpool) { \ |
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106 ngx_rwlock_unlock(&peer->lock); \ |
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107 } |
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108 |
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109 #else |
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110 |
6102 | 111 #define ngx_http_upstream_rr_peers_rlock(peers) |
112 #define ngx_http_upstream_rr_peers_wlock(peers) | |
113 #define ngx_http_upstream_rr_peers_unlock(peers) | |
114 #define ngx_http_upstream_rr_peer_lock(peers, peer) | |
115 #define ngx_http_upstream_rr_peer_unlock(peers, peer) | |
116 | |
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117 #endif |
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118 |
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884 | 120 typedef struct { |
121 ngx_http_upstream_rr_peers_t *peers; | |
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122 ngx_http_upstream_rr_peer_t *current; |
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123 uintptr_t *tried; |
884 | 124 uintptr_t data; |
125 } ngx_http_upstream_rr_peer_data_t; | |
126 | |
127 | |
128 ngx_int_t ngx_http_upstream_init_round_robin(ngx_conf_t *cf, | |
129 ngx_http_upstream_srv_conf_t *us); | |
130 ngx_int_t ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r, | |
131 ngx_http_upstream_srv_conf_t *us); | |
1658 | 132 ngx_int_t ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r, |
133 ngx_http_upstream_resolved_t *ur); | |
884 | 134 ngx_int_t ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, |
135 void *data); | |
136 void ngx_http_upstream_free_round_robin_peer(ngx_peer_connection_t *pc, | |
137 void *data, ngx_uint_t state); | |
138 | |
139 #if (NGX_HTTP_SSL) | |
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140 ngx_int_t |
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141 ngx_http_upstream_set_round_robin_peer_session(ngx_peer_connection_t *pc, |
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142 void *data); |
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143 void ngx_http_upstream_save_round_robin_peer_session(ngx_peer_connection_t *pc, |
884 | 144 void *data); |
145 #endif | |
146 | |
147 | |
148 #endif /* _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */ |