netscanner.h

查看局域网的信息,类似网上邻居的功能,例如查看哪台计算机在线等

/*    netscanner.h
 *
 *    Copyright (c) 1998, 1999, 2000 Alexander Neundorf
 *    [e-mail]
 *
 *    You may distribute under the terms of the GNU General Public
 *    License as specified in the COPYING file.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 */

#ifndef NETSCANNER_H
#define NETSCANNER_H

#include "mystring.h"
#include "simplelist.h"
#include "addressvalidator.h"
#include "tcpnode.h"
#include "configfile.h"

#include <stdio.h>
#include <stdlib.h>
//#include <fstream.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <time.h>

#include <arpa/inet.h>
#include <errno.h>
#include <netdb.h>
#include <unistd.h>
#include <iostream.h>
#include <fcntl.h>
#include <sys/time.h>

#include <stdio.h>


class NetScanner
{
   public:
      NetScanner(int& rawSocket, int strictMode);
      ~NetScanner();

      void doScan();

      void completeNames(SimpleList<Node>* nodes);
      
      //mit nmblookup ip-adresse aus netbios namen ermitteln
      //MyString ip2NetbiosName(const MyString& target, MyString& groupName);
      
      char* ip2Name(struct in_addr ip);
      
      MyString procId;
      int m_firstWait;
      int m_secondWait;
      void configure(Config& config);
   protected:
      int m_strictMode;
      int& m_rawSocketFD;
      AddressValidator validator;
      MyString ipRangeStr;
      MyString nameMask;

      int m_maxPings;
      int m_deliverUnnamedHosts;
      int m_useNmblookup;
      //return ip-address with number index from a virtual array
      //with all ip-addresses according to ipRangeStr
      struct in_addr getIPfromArray(unsigned int index);

      SimpleList<Node>* hostList;

      //needed for getIPfromArray()
      //contains the part of ipRangeStr, which is not yet parsed
      MyString tmpIPRange;
      //has to be called befor every first call of getNextIPRange
      void resetIPRange();
      //returns the next range/part from tmpIPRange befor the next semicolon
      MyString getNextIPRange();

      void pingScan(SimpleList<Node>* newList);   //the ping-version
      void nmblookupScan(SimpleList<Node>* newList); //the nmblookup "*"-version
      int hostAlreadyInList(int ip, SimpleList<Node>* nodes);
      void removeUnnamedHosts(SimpleList<Node>* nodes);
};

#endif