ping_tab.cpp

嵌入式Linux环境下的网络安全检测软件

#include "ping_tab.h"



PingTab::PingTab(QWidget *parent)
    : QWidget(parent)
{

	Ping_start = new QPushButton( this, "Ping_start" );
	Ping_start->setGeometry( QRect( 40, 250, 60, 30 ) ); 
	Ping_start->setText( tr( "Start" ) );

	Ping_clear = new QPushButton( this, "Ping_clear" );
	Ping_clear->setGeometry( QRect( 140, 250, 60, 30 ) ); 
	Ping_clear->setText( tr( "Clear" ) );

	IPAddress_lineedit = new QLineEdit( this, "IPAddress_lineedit" );
	IPAddress_lineedit->setGeometry( QRect( 90, 10, 110, 23 ) ); 
	IPAddress_lineedit->setText( tr( "127.0.0.1" ) );

	ping_ip_label = new QLabel( this, "ping_ip_label" );
	ping_ip_label->setGeometry( QRect( 20, 10, 41, 31 ) ); 
	ping_ip_label->setText( tr( "IP Addr:" ) );

	ip_Eth_lineedit = new QLineEdit( this, "ip_Eth_lineedit" );
	ip_Eth_lineedit->setEnabled( FALSE );
	ip_Eth_lineedit->setGeometry( QRect( 90, 40, 90, 23 ) ); 
	ip_Eth_lineedit->setText( tr( "eth0" ) );

	ip_eth_check = new QCheckBox( this, "ip_eth_check" );
	ip_eth_check->setGeometry( QRect( 20, 40, 50, 20 ) ); 
	ip_eth_check->setText( tr( "eth:" ) );

	disp_IP = new QListView( this, "disp_IP" );
	disp_IP->addColumn( tr( "Seq" ) );
	disp_IP->setGeometry( QRect( 10, 70, 210, 170 ) ); 

	connect( Ping_start, SIGNAL( clicked() ), this, SLOT( start_ping() ) );
	connect( Ping_clear, SIGNAL( clicked() ), this, SLOT( clear_ping() ) );
	connect( ip_eth_check, SIGNAL( clicked() ), this, SLOT( enableEth() ) );

	disp_IP->setSorting(1, FALSE);
	libnet = NULL;
	pcap = NULL;
	local_loopback = "127.0.0.1";
	stopped = FALSE;
	   
}


PingTab::~PingTab()
{
// 	free(local_loopback);
// 	libnet_destroy(libnet);
// 	pcap_close(pcap);
}

void PingTab::run()
{
	while(!stopped)
	{
		initialize();	//
		ping_run();
		sleep(1);
	}
	stopped = FALSE;
}

void PingTab::stop()
{
	stopped = TRUE;
}

void PingTab::display(QString output)
{
	list_item = new QListViewItem(disp_IP);
	list_item -> setText(0, output);
}

void PingTab::start_ping()
{
	if(running())
	{
		stop();
		Ping_start->setText(tr("Start"));
	}
	else
	{
		start();
		Ping_start->setText(tr("Stop"));
	}
}

void PingTab::clear_ping()
{
	disp_IP->clear();
}

void PingTab::quit()
{
	libnet_destroy(libnet);
	pcap_close(pcap);
	exit();
}

void PingTab::enableEth()
{  
	if(ip_eth_check->isChecked())
	{
		ip_Eth_lineedit->setEnabled(TRUE);
	}
	else
	{
		ip_Eth_lineedit->setEnabled(FALSE);
	}
}

void PingTab::initialize()
{
	
	struct bpf_program filter_code;	//杩囨护缁撴瀯
	bpf_u_int32 local_net, netmask;	//pcap瀹氫箟鐨勬湰鏈虹綉缁滃彿鍜屾帺鐮