Mercurial > hg > nginx-quic
annotate src/http/ngx_http_upstream_round_robin.h @ 6102:3264b7828f72
Upstreams: locking.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Tue, 14 Apr 2015 19:01:23 +0300 |
parents | c44459611d91 |
children | 79ddb0bdb273 |
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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fair upstream weight balancer
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25 ngx_int_t current_weight; |
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Upstream: smooth weighted round-robin balancing.
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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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Better recheck of dead upstream servers.
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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 ngx_ssl_session_t *ssl_session; /* local to a process */ |
884 | 42 #endif |
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43 |
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44 ngx_http_upstream_rr_peer_t *next; |
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45 }; |
884 | 46 |
47 | |
1378 | 48 typedef struct ngx_http_upstream_rr_peers_s ngx_http_upstream_rr_peers_t; |
49 | |
50 struct ngx_http_upstream_rr_peers_s { | |
884 | 51 ngx_uint_t number; |
52 | |
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53 ngx_uint_t total_weight; |
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54 |
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55 unsigned single:1; |
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56 unsigned weighted:1; |
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57 |
884 | 58 ngx_str_t *name; |
59 | |
1378 | 60 ngx_http_upstream_rr_peers_t *next; |
61 | |
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62 ngx_http_upstream_rr_peer_t *peer; |
1378 | 63 }; |
884 | 64 |
65 | |
6102 | 66 #define ngx_http_upstream_rr_peers_rlock(peers) |
67 #define ngx_http_upstream_rr_peers_wlock(peers) | |
68 #define ngx_http_upstream_rr_peers_unlock(peers) | |
69 #define ngx_http_upstream_rr_peer_lock(peers, peer) | |
70 #define ngx_http_upstream_rr_peer_unlock(peers, peer) | |
71 | |
72 | |
884 | 73 typedef struct { |
74 ngx_http_upstream_rr_peers_t *peers; | |
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75 ngx_http_upstream_rr_peer_t *current; |
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76 uintptr_t *tried; |
884 | 77 uintptr_t data; |
78 } ngx_http_upstream_rr_peer_data_t; | |
79 | |
80 | |
81 ngx_int_t ngx_http_upstream_init_round_robin(ngx_conf_t *cf, | |
82 ngx_http_upstream_srv_conf_t *us); | |
83 ngx_int_t ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r, | |
84 ngx_http_upstream_srv_conf_t *us); | |
1658 | 85 ngx_int_t ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r, |
86 ngx_http_upstream_resolved_t *ur); | |
884 | 87 ngx_int_t ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, |
88 void *data); | |
89 void ngx_http_upstream_free_round_robin_peer(ngx_peer_connection_t *pc, | |
90 void *data, ngx_uint_t state); | |
91 | |
92 #if (NGX_HTTP_SSL) | |
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93 ngx_int_t |
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94 ngx_http_upstream_set_round_robin_peer_session(ngx_peer_connection_t *pc, |
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95 void *data); |
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96 void ngx_http_upstream_save_round_robin_peer_session(ngx_peer_connection_t *pc, |
884 | 97 void *data); |
98 #endif | |
99 | |
100 | |
101 #endif /* _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */ |