text: 
  /*
   * Copyright (C) Igor Sysoev
   * Copyright (C) NGINX, Inc.
   */
  
  #ifndef _NXT_UPSTREAM_H_INCLUDED_
  #define _NXT_UPSTREAM_H_INCLUDED_
  
  
  typedef struct nxt_upstream_peer_s    nxt_upstream_peer_t;
  
  
  struct nxt_upstream_peer_s {
      /* STUB */
      void            *upstream;
      void            *data;
      /**/
  
      nxt_sockaddr_t  *sockaddr;
      nxt_nsec_t      delay;
  
      uint32_t        tries;
      in_port_t       port;
  
      nxt_str_t       addr;
      nxt_mp_t        *mem_pool;
      void            (*ready_handler)(nxt_task_t *task, nxt_upstream_peer_t *up);
  
      void            (*protocol_handler)(nxt_upstream_source_t *us);
  };
  
  
  typedef struct {
      void                        (*ready_handler)(void *data);
      nxt_work_handler_t          completion_handler;
      nxt_work_handler_t          error_handler;
  } nxt_upstream_state_t;
  
  
  /* STUB */
  NXT_EXPORT void nxt_upstream_round_robin_peer(nxt_task_t *task,
      nxt_upstream_peer_t *up);
  /**/
  
  
  #endif /* _NXT_UPSTREAM_H_INCLUDED_ */
  