text: /** @file
  
    A brief file description
  
    @section license License
  
    Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
    with the License.  You may obtain a copy of the License at
  
        http://www.apache.org/licenses/LICENSE-2.0
  
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
   */
  
  /*****************************************************************************
   *
   *  ParentRoundRobin.h - Implementation of various round robin strategies.
   *
   *****************************************************************************/
  
  #ifndef _PARENT_ROUND_ROBIN_H
  #define _PARENT_ROUND_ROBIN_H
  
  #include "ParentSelection.h"
  
  class ParentRoundRobin : public ParentSelectionStrategy
  {
    ParentRR_t round_robin_type;
    int latched_parent;
  
  public:
    ParentRoundRobin(ParentRecord *_parent_record, ParentRR_t _round_robin_type);
    ~ParentRoundRobin();
    void selectParent(bool firstCall, ParentResult *result, RequestData *rdata, unsigned int fail_threshold, unsigned int retry_time);
    void markParentDown(ParentResult *result, unsigned int fail_threshold, unsigned int retry_time);
    uint32_t numParents(ParentResult *result) const;
    void markParentUp(ParentResult *result);
  };
  
  #endif
  