text: /* $Id$ */
  
  /*
   * Copyright (c) 2010-2012 SURFnet bv
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of SURFnet bv nor the names of its contributors 
   *    may be used to endorse or promote products derived from this 
   *    software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
   * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
   * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
   * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   */
  
  /*
   * The Extensible Ethernet Monitor (EEMO)
   * Handle factory for handles used to identify handlers
   */
  
  #include "config.h"
  #include <stdlib.h>
  #include "eemo_log.h"
  #include "eemo_handlefactory.h"
  
  /* The handle registry */
  unsigned char handle_used[EEMO_MAX_HANDLERS] = { 0 };
  
  /* Get a fresh handle */
  unsigned long eemo_get_new_handle(void)
  {
  	unsigned long handle = 0;
  
  	for (handle = 0; handle < EEMO_MAX_HANDLERS; handle++)
  	{
  		if (!handle_used[handle])
  		{
  			handle_used[handle] = 1;
  
  			return handle;
  		}
  	}
  
  	ERROR_MSG("FATAL: eemo has run out of handles, consider recompiling with EEMO_MAX_HANDLERS set to a higher value in eemo_handlefactory.h, now exiting");
  
  	exit(1);
  }
  
  /* Recycle a handle when it is no longer used */
  void eemo_recycle_handle(unsigned long handle)
  {
  	handle_used[handle] = 0;
  }
  
  