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annotate src/http/ngx_http_upstream_round_robin.h @ 540:c04fa65fe604 NGINX_0_8_22

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nginx 0.8.22 *) Feature: the "proxy_bind", "fastcgi_bind", and "memcached_bind" directives. *) Feature: the "access" and the "deny" directives support IPv6. *) Feature: the "set_real_ip_from" directive supports IPv6 addresses in request headers. *) Feature: the "unix:" parameter of the "set_real_ip_from" directive. *) Bugfix: nginx did not delete unix domain socket after configuration testing. *) Bugfix: nginx deleted unix domain socket while online upgrade. *) Bugfix: the "!-x" operator did not work. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault might occur in a worker process, if limit_rate was used in HTTPS server. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault might occur in a worker process while $limit_rate logging. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault might occur in a worker process, if there was no "listen" directive in "server" block; the bug had appeared in 0.8.21.
author Igor Sysoev <http://sysoev.ru>
date Tue, 03 Nov 2009 00:00:00 +0300
parents e10168d6e371
children 6f21ae02fb01
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1
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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 ngx_http_upstream_rr_peers_s ngx_http_upstream_rr_peers_t;
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40 struct ngx_http_upstream_rr_peers_s {
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41 ngx_uint_t single; /* unsigned single:1; */
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42 ngx_uint_t number;
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43 ngx_uint_t last_cached;
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44
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45 /* ngx_mutex_t *mutex; */
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46 ngx_connection_t **cached;
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48 ngx_str_t *name;
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50 ngx_http_upstream_rr_peers_t *next;
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52 ngx_http_upstream_rr_peer_t peer[1];
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53 };
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56 typedef struct {
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57 ngx_http_upstream_rr_peers_t *peers;
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58 ngx_uint_t current;
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59 uintptr_t *tried;
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60 uintptr_t data;
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61 } ngx_http_upstream_rr_peer_data_t;
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64 ngx_int_t ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
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65 ngx_http_upstream_srv_conf_t *us);
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66 ngx_int_t ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r,
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67 ngx_http_upstream_srv_conf_t *us);
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68 ngx_int_t ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
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69 ngx_http_upstream_resolved_t *ur);
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70 ngx_int_t ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc,
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71 void *data);
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72 void ngx_http_upstream_free_round_robin_peer(ngx_peer_connection_t *pc,
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73 void *data, ngx_uint_t state);
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75 #if (NGX_HTTP_SSL)
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76 ngx_int_t
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77 ngx_http_upstream_set_round_robin_peer_session(ngx_peer_connection_t *pc,
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78 void *data);
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79 void ngx_http_upstream_save_round_robin_peer_session(ngx_peer_connection_t *pc,
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80 void *data);
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81 #endif
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84 #endif /* _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */