Mercurial > hg > nginx-quic
view src/stream/ngx_stream_upstream_round_robin.h @ 6573:2d5d35409eba
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author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 30 May 2016 18:09:41 +0300 |
parents | 311d232ad803 |
children | 9757cffc1e2f |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_STREAM_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ #define _NGX_STREAM_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_stream.h> typedef struct ngx_stream_upstream_rr_peer_s ngx_stream_upstream_rr_peer_t; struct ngx_stream_upstream_rr_peer_s { struct sockaddr *sockaddr; socklen_t socklen; ngx_str_t name; ngx_str_t server; ngx_int_t current_weight; ngx_int_t effective_weight; ngx_int_t weight; ngx_uint_t conns; ngx_uint_t fails; time_t accessed; time_t checked; ngx_uint_t max_fails; time_t fail_timeout; ngx_uint_t down; /* unsigned down:1; */ #if (NGX_STREAM_SSL) void *ssl_session; int ssl_session_len; #endif ngx_stream_upstream_rr_peer_t *next; #if (NGX_STREAM_UPSTREAM_ZONE) ngx_atomic_t lock; #endif }; typedef struct ngx_stream_upstream_rr_peers_s ngx_stream_upstream_rr_peers_t; struct ngx_stream_upstream_rr_peers_s { ngx_uint_t number; #if (NGX_STREAM_UPSTREAM_ZONE) ngx_slab_pool_t *shpool; ngx_atomic_t rwlock; ngx_stream_upstream_rr_peers_t *zone_next; #endif ngx_uint_t total_weight; unsigned single:1; unsigned weighted:1; ngx_str_t *name; ngx_stream_upstream_rr_peers_t *next; ngx_stream_upstream_rr_peer_t *peer; }; #if (NGX_STREAM_UPSTREAM_ZONE) #define ngx_stream_upstream_rr_peers_rlock(peers) \ \ if (peers->shpool) { \ ngx_rwlock_rlock(&peers->rwlock); \ } #define ngx_stream_upstream_rr_peers_wlock(peers) \ \ if (peers->shpool) { \ ngx_rwlock_wlock(&peers->rwlock); \ } #define ngx_stream_upstream_rr_peers_unlock(peers) \ \ if (peers->shpool) { \ ngx_rwlock_unlock(&peers->rwlock); \ } #define ngx_stream_upstream_rr_peer_lock(peers, peer) \ \ if (peers->shpool) { \ ngx_rwlock_wlock(&peer->lock); \ } #define ngx_stream_upstream_rr_peer_unlock(peers, peer) \ \ if (peers->shpool) { \ ngx_rwlock_unlock(&peer->lock); \ } #else #define ngx_stream_upstream_rr_peers_rlock(peers) #define ngx_stream_upstream_rr_peers_wlock(peers) #define ngx_stream_upstream_rr_peers_unlock(peers) #define ngx_stream_upstream_rr_peer_lock(peers, peer) #define ngx_stream_upstream_rr_peer_unlock(peers, peer) #endif typedef struct { ngx_stream_upstream_rr_peers_t *peers; ngx_stream_upstream_rr_peer_t *current; uintptr_t *tried; uintptr_t data; } ngx_stream_upstream_rr_peer_data_t; ngx_int_t ngx_stream_upstream_init_round_robin(ngx_conf_t *cf, ngx_stream_upstream_srv_conf_t *us); ngx_int_t ngx_stream_upstream_init_round_robin_peer(ngx_stream_session_t *s, ngx_stream_upstream_srv_conf_t *us); ngx_int_t ngx_stream_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data); void ngx_stream_upstream_free_round_robin_peer(ngx_peer_connection_t *pc, void *data, ngx_uint_t state); #endif /* _NGX_STREAM_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */