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src/http/ngx_http_upstream_round_robin.h - nginx-1.7.10

Data types defined

Macros defined

Source code


  2. /*
  3. * Copyright (C) Igor Sysoev
  4. * Copyright (C) Nginx, Inc.
  5. */


  8. #ifndef _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_
  9. ‌#define _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_


  12. #include <ngx_config.h>
  13. #include <ngx_core.h>
  14. #include <ngx_http.h>


  17. typedef struct {
  18.     struct sockaddr                *sockaddr;
  19.     socklen_t                       socklen;
  20.     ngx_str_t                       name;
  21.     ngx_str_t                       server;

  23.     ngx_int_t                       current_weight;
  24.     ngx_int_t                       effective_weight;
  25.     ngx_int_t                       weight;

  27.     ngx_uint_t                      fails;
  28.     time_t                          accessed;
  29.     time_t                          checked;

  31.     ngx_uint_t                      max_fails;
  32.     time_t                          fail_timeout;

  34.     ngx_uint_t                      down;          /* unsigned  down:1; */

  36. #if (NGX_HTTP_SSL)
  37.     ngx_ssl_session_t              *ssl_session;   /* local to a process */
  38. #endif
  39. ‌} ngx_http_upstream_rr_peer_t;


  42. ‌typedef struct ngx_http_upstream_rr_peers_s  ngx_http_upstream_rr_peers_t;

  44. ‌struct ngx_http_upstream_rr_peers_s {
  45.     ngx_uint_t                      number;

  47. /* ngx_mutex_t                    *mutex; */

  49.     ngx_uint_t                      total_weight;

  51.     unsigned                        single:1;
  52.     unsigned                        weighted:1;

  54.     ngx_str_t                      *name;

  56.     ngx_http_upstream_rr_peers_t   *next;

  58.     ngx_http_upstream_rr_peer_t     peer[1];
  59. };


  62. typedef struct {
  63.     ngx_http_upstream_rr_peers_t   *peers;
  64.     ngx_uint_t                      current;
  65.     uintptr_t                      *tried;
  66.     uintptr_t                       data;
  67. ‌} ngx_http_upstream_rr_peer_data_t;


  70. ngx_int_t ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
  71.     ngx_http_upstream_srv_conf_t *us);
  72. ngx_int_t ngx_http_upstream_init_round_robin_peer(ngx_http_request_t *r,
  73.     ngx_http_upstream_srv_conf_t *us);
  74. ngx_int_t ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
  75.     ngx_http_upstream_resolved_t *ur);
  76. ngx_int_t ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc,
  77.     void *data);
  78. void ngx_http_upstream_free_round_robin_peer(ngx_peer_connection_t *pc,
  79.     void *data, ngx_uint_t state);

  81. #if (NGX_HTTP_SSL)
  82. ngx_int_t
  83.     ngx_http_upstream_set_round_robin_peer_session(ngx_peer_connection_t *pc,
  84.     void *data);
  85. void ngx_http_upstream_save_round_robin_peer_session(ngx_peer_connection_t *pc,
  86.     void *data);
  87. #endif


  90. #endif /* _NGX_HTTP_UPSTREAM_ROUND_ROBIN_H_INCLUDED_ */

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