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/**
* Module: HostsTool
* Description: Collects lists of hosts on the network responding to broadcast icmp.
* This list of hosts are then dispatched for processing of results
*
* Author: Michael Larson
* email: mike(at)lrlart.com
* Date: August 2004
**/
#ifndef HOSTSTOOL_HPP_
#define HOSTSTOOL_HPP_
//forward decls
class HostsResult;
//header includes
#include <vector>
#include "Task.hpp"
#include "Test.hpp"
#include "ToolBase.hpp"
/*********************************************
** HostsToolKonstants **
*********************************************/
class HostsToolKonstants
{
public:
static const int packet_data_len_;
static const int recv_timeout_;
static const int ip_offset_;
};
/*********************************************
** HostsTool **
*********************************************/
class HostsTool : public ToolBase
{
public:
/*
* Constructor and Destructor
*/
HostsTool(Task<Test> *pCompleteTask, unsigned long local_ip, unsigned long bc_addr_);
~HostsTool();
/*
* compute test result
*/
void
compute();
/*
* finished tests
*/
void
finish();
/*
* send a new test
*/
void
send(unsigned long target_addr, unsigned short packet_id);
/*
* receive results
*/
HostsResult*
receive();
private:
/*
* checksum for icmp packets
*/
unsigned short
in_checksum(const unsigned short *addr, int len) const;
private:
unsigned long local_ip_;
int send_sock_;
int recv_sock_;
unsigned long bc_addr_;
int packet_id_;
bool test_in_progress_;
PERF_MUTEX mutex_;
};
#endif //HOSTSTOOL_HPP_
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