Mercurial > hg > nginx
annotate src/stream/ngx_stream_upstream_round_robin.h @ 6713:63b8b157b776
Modules compatibility: down flag promoted to a bitmask.
It is to be used as a bitmask with various bits set/reset when appropriate.
Any bit set means that the peer should not be used, that is, exactly what
current checks do, no additional changes required.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Thu, 29 Sep 2016 18:06:05 +0300 |
| parents | fd5c2781460b |
| children | d200a0fd00b7 |
| rev | line source |
|---|---|
| 6115 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #ifndef _NGX_STREAM_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ | |
| 9 #define _NGX_STREAM_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ | |
| 10 | |
| 11 | |
| 12 #include <ngx_config.h> | |
| 13 #include <ngx_core.h> | |
| 14 #include <ngx_stream.h> | |
| 15 | |
| 16 | |
| 17 typedef struct ngx_stream_upstream_rr_peer_s ngx_stream_upstream_rr_peer_t; | |
| 18 | |
| 19 struct ngx_stream_upstream_rr_peer_s { | |
| 20 struct sockaddr *sockaddr; | |
| 21 socklen_t socklen; | |
| 22 ngx_str_t name; | |
| 23 ngx_str_t server; | |
| 24 | |
| 25 ngx_int_t current_weight; | |
| 26 ngx_int_t effective_weight; | |
| 27 ngx_int_t weight; | |
| 28 | |
| 29 ngx_uint_t conns; | |
| 6705 | 30 ngx_uint_t max_conns; |
| 6115 | 31 |
| 32 ngx_uint_t fails; | |
| 33 time_t accessed; | |
| 34 time_t checked; | |
| 35 | |
| 36 ngx_uint_t max_fails; | |
| 37 time_t fail_timeout; | |
|
6708
4080f94a996f
Modules compatibility: slow start fields.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6705
diff
changeset
|
38 ngx_msec_t slow_start; |
|
4080f94a996f
Modules compatibility: slow start fields.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6705
diff
changeset
|
39 ngx_msec_t start_time; |
| 6115 | 40 |
|
6713
63b8b157b776
Modules compatibility: down flag promoted to a bitmask.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6712
diff
changeset
|
41 ngx_uint_t down; |
| 6115 | 42 |
| 43 #if (NGX_STREAM_SSL) | |
| 44 void *ssl_session; | |
| 45 int ssl_session_len; | |
| 46 #endif | |
| 47 | |
| 48 #if (NGX_STREAM_UPSTREAM_ZONE) | |
| 49 ngx_atomic_t lock; | |
| 50 #endif | |
|
6701
d69964eb8335
Upstream: style, ngx_http_upstream_rr_peer_t.next moved.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6643
diff
changeset
|
51 |
|
d69964eb8335
Upstream: style, ngx_http_upstream_rr_peer_t.next moved.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6643
diff
changeset
|
52 ngx_stream_upstream_rr_peer_t *next; |
| 6115 | 53 }; |
| 54 | |
| 55 | |
| 56 typedef struct ngx_stream_upstream_rr_peers_s ngx_stream_upstream_rr_peers_t; | |
| 57 | |
| 58 struct ngx_stream_upstream_rr_peers_s { | |
| 59 ngx_uint_t number; | |
| 60 | |
| 61 #if (NGX_STREAM_UPSTREAM_ZONE) | |
| 62 ngx_slab_pool_t *shpool; | |
| 63 ngx_atomic_t rwlock; | |
|
6198
311d232ad803
Upstream: fixed shared upstreams on win32.
Ruslan Ermilov <ru@nginx.com>
parents:
6115
diff
changeset
|
64 ngx_stream_upstream_rr_peers_t *zone_next; |
| 6115 | 65 #endif |
| 66 | |
| 67 ngx_uint_t total_weight; | |
| 68 | |
| 69 unsigned single:1; | |
| 70 unsigned weighted:1; | |
| 71 | |
| 72 ngx_str_t *name; | |
| 73 | |
| 74 ngx_stream_upstream_rr_peers_t *next; | |
| 75 | |
| 76 ngx_stream_upstream_rr_peer_t *peer; | |
| 77 }; | |
| 78 | |
| 79 | |
| 80 #if (NGX_STREAM_UPSTREAM_ZONE) | |
| 81 | |
| 82 #define ngx_stream_upstream_rr_peers_rlock(peers) \ | |
| 83 \ | |
| 84 if (peers->shpool) { \ | |
| 85 ngx_rwlock_rlock(&peers->rwlock); \ | |
| 86 } | |
| 87 | |
| 88 #define ngx_stream_upstream_rr_peers_wlock(peers) \ | |
| 89 \ | |
| 90 if (peers->shpool) { \ | |
| 91 ngx_rwlock_wlock(&peers->rwlock); \ | |
| 92 } | |
| 93 | |
| 94 #define ngx_stream_upstream_rr_peers_unlock(peers) \ | |
| 95 \ | |
| 96 if (peers->shpool) { \ | |
| 97 ngx_rwlock_unlock(&peers->rwlock); \ | |
| 98 } | |
| 99 | |
| 100 | |
| 101 #define ngx_stream_upstream_rr_peer_lock(peers, peer) \ | |
| 102 \ | |
| 103 if (peers->shpool) { \ | |
| 104 ngx_rwlock_wlock(&peer->lock); \ | |
| 105 } | |
| 106 | |
| 107 #define ngx_stream_upstream_rr_peer_unlock(peers, peer) \ | |
| 108 \ | |
| 109 if (peers->shpool) { \ | |
| 110 ngx_rwlock_unlock(&peer->lock); \ | |
| 111 } | |
| 112 | |
| 113 #else | |
| 114 | |
| 115 #define ngx_stream_upstream_rr_peers_rlock(peers) | |
| 116 #define ngx_stream_upstream_rr_peers_wlock(peers) | |
| 117 #define ngx_stream_upstream_rr_peers_unlock(peers) | |
| 118 #define ngx_stream_upstream_rr_peer_lock(peers, peer) | |
| 119 #define ngx_stream_upstream_rr_peer_unlock(peers, peer) | |
| 120 | |
| 121 #endif | |
| 122 | |
| 123 | |
| 124 typedef struct { | |
|
6712
fd5c2781460b
Modules compatibility: upstream config field.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6708
diff
changeset
|
125 ngx_uint_t config; |
| 6115 | 126 ngx_stream_upstream_rr_peers_t *peers; |
| 127 ngx_stream_upstream_rr_peer_t *current; | |
| 128 uintptr_t *tried; | |
| 129 uintptr_t data; | |
| 130 } ngx_stream_upstream_rr_peer_data_t; | |
| 131 | |
| 132 | |
| 133 ngx_int_t ngx_stream_upstream_init_round_robin(ngx_conf_t *cf, | |
| 134 ngx_stream_upstream_srv_conf_t *us); | |
| 135 ngx_int_t ngx_stream_upstream_init_round_robin_peer(ngx_stream_session_t *s, | |
| 136 ngx_stream_upstream_srv_conf_t *us); | |
|
6643
9757cffc1e2f
Stream: variables in proxy_pass and proxy_ssl_name.
Vladimir Homutov <vl@nginx.com>
parents:
6198
diff
changeset
|
137 ngx_int_t ngx_stream_upstream_create_round_robin_peer(ngx_stream_session_t *s, |
|
9757cffc1e2f
Stream: variables in proxy_pass and proxy_ssl_name.
Vladimir Homutov <vl@nginx.com>
parents:
6198
diff
changeset
|
138 ngx_stream_upstream_resolved_t *ur); |
| 6115 | 139 ngx_int_t ngx_stream_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, |
| 140 void *data); | |
| 141 void ngx_stream_upstream_free_round_robin_peer(ngx_peer_connection_t *pc, | |
| 142 void *data, ngx_uint_t state); | |
| 143 | |
| 144 | |
| 145 #endif /* _NGX_STREAM_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */ |