Mercurial > hg > nginx
annotate src/stream/ngx_stream_upstream_round_robin.h @ 6198:311d232ad803
Upstream: fixed shared upstreams on win32.
| author | Ruslan Ermilov <ru@nginx.com> |
|---|---|
| date | Tue, 16 Jun 2015 00:43:00 +0300 |
| parents | 61d7ae76647d |
| children | 9757cffc1e2f |
| 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; | |
| 30 | |
| 31 ngx_uint_t fails; | |
| 32 time_t accessed; | |
| 33 time_t checked; | |
| 34 | |
| 35 ngx_uint_t max_fails; | |
| 36 time_t fail_timeout; | |
| 37 | |
| 38 ngx_uint_t down; /* unsigned down:1; */ | |
| 39 | |
| 40 #if (NGX_STREAM_SSL) | |
| 41 void *ssl_session; | |
| 42 int ssl_session_len; | |
| 43 #endif | |
| 44 | |
| 45 ngx_stream_upstream_rr_peer_t *next; | |
| 46 | |
| 47 #if (NGX_STREAM_UPSTREAM_ZONE) | |
| 48 ngx_atomic_t lock; | |
| 49 #endif | |
| 50 }; | |
| 51 | |
| 52 | |
| 53 typedef struct ngx_stream_upstream_rr_peers_s ngx_stream_upstream_rr_peers_t; | |
| 54 | |
| 55 struct ngx_stream_upstream_rr_peers_s { | |
| 56 ngx_uint_t number; | |
| 57 | |
| 58 #if (NGX_STREAM_UPSTREAM_ZONE) | |
| 59 ngx_slab_pool_t *shpool; | |
| 60 ngx_atomic_t rwlock; | |
|
6198
311d232ad803
Upstream: fixed shared upstreams on win32.
Ruslan Ermilov <ru@nginx.com>
parents:
6115
diff
changeset
|
61 ngx_stream_upstream_rr_peers_t *zone_next; |
| 6115 | 62 #endif |
| 63 | |
| 64 ngx_uint_t total_weight; | |
| 65 | |
| 66 unsigned single:1; | |
| 67 unsigned weighted:1; | |
| 68 | |
| 69 ngx_str_t *name; | |
| 70 | |
| 71 ngx_stream_upstream_rr_peers_t *next; | |
| 72 | |
| 73 ngx_stream_upstream_rr_peer_t *peer; | |
| 74 }; | |
| 75 | |
| 76 | |
| 77 #if (NGX_STREAM_UPSTREAM_ZONE) | |
| 78 | |
| 79 #define ngx_stream_upstream_rr_peers_rlock(peers) \ | |
| 80 \ | |
| 81 if (peers->shpool) { \ | |
| 82 ngx_rwlock_rlock(&peers->rwlock); \ | |
| 83 } | |
| 84 | |
| 85 #define ngx_stream_upstream_rr_peers_wlock(peers) \ | |
| 86 \ | |
| 87 if (peers->shpool) { \ | |
| 88 ngx_rwlock_wlock(&peers->rwlock); \ | |
| 89 } | |
| 90 | |
| 91 #define ngx_stream_upstream_rr_peers_unlock(peers) \ | |
| 92 \ | |
| 93 if (peers->shpool) { \ | |
| 94 ngx_rwlock_unlock(&peers->rwlock); \ | |
| 95 } | |
| 96 | |
| 97 | |
| 98 #define ngx_stream_upstream_rr_peer_lock(peers, peer) \ | |
| 99 \ | |
| 100 if (peers->shpool) { \ | |
| 101 ngx_rwlock_wlock(&peer->lock); \ | |
| 102 } | |
| 103 | |
| 104 #define ngx_stream_upstream_rr_peer_unlock(peers, peer) \ | |
| 105 \ | |
| 106 if (peers->shpool) { \ | |
| 107 ngx_rwlock_unlock(&peer->lock); \ | |
| 108 } | |
| 109 | |
| 110 #else | |
| 111 | |
| 112 #define ngx_stream_upstream_rr_peers_rlock(peers) | |
| 113 #define ngx_stream_upstream_rr_peers_wlock(peers) | |
| 114 #define ngx_stream_upstream_rr_peers_unlock(peers) | |
| 115 #define ngx_stream_upstream_rr_peer_lock(peers, peer) | |
| 116 #define ngx_stream_upstream_rr_peer_unlock(peers, peer) | |
| 117 | |
| 118 #endif | |
| 119 | |
| 120 | |
| 121 typedef struct { | |
| 122 ngx_stream_upstream_rr_peers_t *peers; | |
| 123 ngx_stream_upstream_rr_peer_t *current; | |
| 124 uintptr_t *tried; | |
| 125 uintptr_t data; | |
| 126 } ngx_stream_upstream_rr_peer_data_t; | |
| 127 | |
| 128 | |
| 129 ngx_int_t ngx_stream_upstream_init_round_robin(ngx_conf_t *cf, | |
| 130 ngx_stream_upstream_srv_conf_t *us); | |
| 131 ngx_int_t ngx_stream_upstream_init_round_robin_peer(ngx_stream_session_t *s, | |
| 132 ngx_stream_upstream_srv_conf_t *us); | |
| 133 ngx_int_t ngx_stream_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, | |
| 134 void *data); | |
| 135 void ngx_stream_upstream_free_round_robin_peer(ngx_peer_connection_t *pc, | |
| 136 void *data, ngx_uint_t state); | |
| 137 | |
| 138 | |
| 139 #endif /* _NGX_STREAM_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */ |