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annotate src/http/ngx_http_upstream_round_robin.h @ 324:f7cd062ee035 NGINX_0_6_6

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nginx 0.6.6 *) Feature: the --sysconfdir=PATH option in configure. *) Feature: named locations. *) Feature: the $args variable can be set with the "set" directive. *) Feature: the $is_args variable. *) Bugfix: fair big weight upstream balancer. *) Bugfix: if a client has closed connection to mail proxy then nginx might not close connection to backend. *) Bugfix: if the same host without specified port was used as backend for HTTP and HTTPS, then nginx used only one port - 80 or 443. *) Bugfix: fix building on Solaris/amd64 by Sun Studio 11 and early versions; bug appeared in 0.6.4.
author Igor Sysoev <http://sysoev.ru>
date Mon, 30 Jul 2007 00:00:00 +0400
parents fc223117327f
children 9fc4ab6673f9
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_
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8 #define _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13 #include <ngx_http.h>
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16 typedef struct {
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17 struct sockaddr *sockaddr;
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18 socklen_t socklen;
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19 ngx_str_t name;
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21 ngx_int_t current_weight;
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22 ngx_int_t weight;
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24 ngx_uint_t fails;
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25 time_t accessed;
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27 ngx_uint_t max_fails;
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28 time_t fail_timeout;
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30 ngx_uint_t down; /* unsigned down:1; */
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32 #if (NGX_HTTP_SSL)
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33 ngx_ssl_session_t *ssl_session; /* local to a process */
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34 #endif
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35 } ngx_http_upstream_rr_peer_t;
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38 typedef struct {
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39 ngx_uint_t number;
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40 ngx_uint_t last_cached;
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41
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42 /* ngx_mutex_t *mutex; */
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43 ngx_connection_t **cached;
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45 ngx_str_t *name;
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47 ngx_http_upstream_rr_peer_t peer[1];
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48 } ngx_http_upstream_rr_peers_t;
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51 typedef struct {
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52 ngx_http_upstream_rr_peers_t *peers;
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53 ngx_uint_t current;
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54 uintptr_t *tried;
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55 uintptr_t data;
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56 } ngx_http_upstream_rr_peer_data_t;
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59 ngx_int_t ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
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60 ngx_http_upstream_srv_conf_t *us);
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61 ngx_int_t ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r,
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62 ngx_http_upstream_srv_conf_t *us);
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63 ngx_int_t ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc,
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64 void *data);
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65 void ngx_http_upstream_free_round_robin_peer(ngx_peer_connection_t *pc,
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66 void *data, ngx_uint_t state);
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68 #if (NGX_HTTP_SSL)
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69 ngx_int_t
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70 ngx_http_upstream_set_round_robin_peer_session(ngx_peer_connection_t *pc,
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71 void *data);
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72 void ngx_http_upstream_save_round_robin_peer_session(ngx_peer_connection_t *pc,
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73 void *data);
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74 #endif
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78 #endif /* _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */