/* -*- C++ -*- */

//=============================================================================
/**
 *  @file    BS_Client.h
 *
 *  @author Douglas C. Schmidt
 */
//=============================================================================


#ifndef _BS_CLIENT_H
#define _BS_CLIENT_H

#include "Binary_Search.h"

/**
 * @class BS_Client
 *
 * @brief Provides the client's binary search lookup table abstraction.
 */
class BS_Client : public Binary_Search
{
public:
  // = Initialization.
  /// Constructor.
  BS_Client ();

  /**
   * This function is used to merge the <key_name> from server
   * <host_name> into the sorted list of userids kept on the client's
   * side.  Since we *know* we are going to find the name we use the
   * traditional binary search.
   */
  virtual Protocol_Record *insert (const char *key_name,
                                   int max_len = MAXUSERIDNAMELEN);

  /**
   * An iterator, similar to Binary_Search::get_next_friend, though in
   * this case the friend records are returned in the order they
   * appeared in the friend file, rather than in sorted order.  Also,
   * we skip over entries that don't have any hosts associated with
   * them.
   */
  virtual Protocol_Record *get_each_entry ();
};

#endif /* _BS_CLIENT_H */
