CATempIPBlockList.hpp

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/*
Copyright (c) 2000, The JAP-Team 
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:

  - Redistributions of source code must retain the above copyright notice, 
    this list of conditions and the following disclaimer.

  - 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.

  - Neither the name of the University of Technology Dresden, Germany 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 COPYRIGHT HOLDERS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS
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 
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*/

#ifndef CATEMPIPBLOCKLIST_HPP
#define CATEMPIPBLOCKLIST_HPP

#ifndef ONLY_LOCAL_PROXY

#include "CAThread.hpp"
#include "CAMutex.hpp"

struct _tempipblocklist_t
  {
    struct _tempipblocklist_t* next; 
  
    UINT64 validTimeMillis; 
    UINT8 ip[2];
  };

typedef struct _tempipblocklist_t   TEMPIPBLOCKLISTENTRY;
typedef struct _tempipblocklist_t*  PTEMPIPBLOCKLIST;

class CATempIPBlockList
{
  public:
    CATempIPBlockList(UINT64 validTimeMillis);

    ~CATempIPBlockList();
    
    SINT32 insertIP(const UINT8 ip[4]);
    
    SINT32 checkIP(const UINT8 ip[4]);
    
    void setValidTimeMillis(UINT64 millis);

    UINT32 count()
    {
      return m_iEntries;
    }

  private:
    volatile bool m_bRunCleanupThread;

    CAThread * m_pCleanupThread;
    
    static THREAD_RETURN cleanupThreadMainLoop(void *param);
    
    UINT64 m_validTimeMillis;
    
    PTEMPIPBLOCKLIST* m_hashTable;
      
    CAMutex * m_pMutex;

    UINT32 m_iEntries;
};

#endif //ONLY_LOCAL_PROXY
#endif