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87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Nginx, Inc.
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*/
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#ifndef _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_
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#define _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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typedef struct {
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struct sockaddr *sockaddr;
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socklen_t socklen;
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ngx_str_t name;
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ngx_int_t current_weight;
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ngx_int_t weight;
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ngx_uint_t fails;
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time_t accessed;
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time_t checked;
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ngx_uint_t max_fails;
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time_t fail_timeout;
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ngx_uint_t down; /* unsigned down:1; */
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#if (NGX_HTTP_SSL)
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ngx_ssl_session_t *ssl_session; /* local to a process */
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#endif
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} ngx_http_upstream_rr_peer_t;
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typedef struct ngx_http_upstream_rr_peers_s ngx_http_upstream_rr_peers_t;
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struct ngx_http_upstream_rr_peers_s {
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ngx_uint_t single; /* unsigned single:1; */
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ngx_uint_t number;
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ngx_uint_t last_cached;
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/* ngx_mutex_t *mutex; */
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ngx_connection_t **cached;
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ngx_str_t *name;
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ngx_http_upstream_rr_peers_t *next;
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ngx_http_upstream_rr_peer_t peer[1];
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};
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typedef struct {
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ngx_http_upstream_rr_peers_t *peers;
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ngx_uint_t current;
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uintptr_t *tried;
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uintptr_t data;
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} ngx_http_upstream_rr_peer_data_t;
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ngx_int_t ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
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ngx_http_upstream_srv_conf_t *us);
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ngx_int_t ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r,
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ngx_http_upstream_srv_conf_t *us);
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ngx_int_t ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
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ngx_http_upstream_resolved_t *ur);
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ngx_int_t ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc,
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void *data);
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void ngx_http_upstream_free_round_robin_peer(ngx_peer_connection_t *pc,
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void *data, ngx_uint_t state);
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#if (NGX_HTTP_SSL)
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ngx_int_t
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ngx_http_upstream_set_round_robin_peer_session(ngx_peer_connection_t *pc,
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void *data);
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void ngx_http_upstream_save_round_robin_peer_session(ngx_peer_connection_t *pc,
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void *data);
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#endif
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#endif /* _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */
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