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mainwindow.cpp
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mainwindow.cpp
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/*
* File: mainwindow.cpp
* Author: Oleg Kurbatov
*
* Created on 25 Oct 2010, 4:02
*/
//binary literals macros
#define BIN__N(x) (x) | (x>>3) | (x>>6) | (x>>9)
#define BIN__B(x) ((x) & 0xf) | ((x)>>12 & 0xf0)
#define BIN8(v) (BIN__B(BIN__N(0x##v)))
#define BIN16(x1,x2) \ ((BIN(x1)<<8)+BIN(x2))
#define BIN24(x1,x2,x3) \ ((BIN(x1)<<16)+(BIN(x2)<<8)+BIN(x3))
#define BIN32(x1,x2,x3,x4) \ ((BIN(x1)<<24)+(BIN(x2)<<16)+(BIN(x3)<<8)+BIN(x4))
#include <iostream>
#include <stdio.h>
#include <qmessagebox.h>
#include <math.h>
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent), ui_(new Ui::MainWindow)
{
ui_->setupUi(this);
connect(ui_->RB_TCP,SIGNAL(clicked()),this,SLOT(RB_TCP_clicked()));
connect(ui_->RB_UDP,SIGNAL(clicked()),this,SLOT(RB_UDP_clicked()));
connect(ui_->E_IPAddr,SIGNAL(editingFinished()),this,SLOT(E_IPAddr_textChanged()));
connect(ui_->PB_ON,SIGNAL(clicked()),this,SLOT(PB_ON_clicked()));
connect(ui_->PB_OFF,SIGNAL(clicked()),this,SLOT(PB_OFF_clicked()));
}
MainWindow::~MainWindow()
{
delete ui_;
}
/**
* Sets availability of controls when TCP protocol is chosen
*/
void MainWindow::RB_TCP_clicked(){
ui_->E_IPAddr->setEnabled(1);
ui_->CB_CWR->setEnabled(1);
ui_->CB_ECN->setEnabled(1);
ui_->CB_URG->setEnabled(1);
ui_->CB_ACK->setEnabled(1);
ui_->CB_PSH->setEnabled(1);
ui_->CB_RST->setEnabled(1);
ui_->CB_SYN->setEnabled(1);
ui_->CB_FIN->setEnabled(1);
if(getIPAddr()){
ui_->PB_ON->setEnabled(1);
}else{
ui_->PB_ON->setEnabled(0);
}
}
/**
* Sets availability of controls when UDP protocol is chosen
*/
void MainWindow::RB_UDP_clicked(){
ui_->E_IPAddr->setEnabled(0);
ui_->CB_CWR->setEnabled(0);
ui_->CB_ECN->setEnabled(0);
ui_->CB_URG->setEnabled(0);
ui_->CB_ACK->setEnabled(0);
ui_->CB_PSH->setEnabled(0);
ui_->CB_RST->setEnabled(0);
ui_->CB_SYN->setEnabled(0);
ui_->CB_FIN->setEnabled(0);
ui_->PB_ON->setEnabled(1);
}
/**
* Handles changes in the IP-address field.
*/
void MainWindow::E_IPAddr_textChanged(){
if(getIPAddr()){
ui_->PB_ON->setEnabled(1);
}else{
ui_->PB_ON->setEnabled(0);
}
}
/**
* Converts IP-address from a string to int value.
* @return int representation of IP-address
*/
int MainWindow::getIPAddr(){
QString ipstr=ui_->E_IPAddr->text();
int len=ipstr.length();
if(len<7)return 0;
char octets[4][3];
for(int i=0,j=0,k=0;j<len;j++){
if(ipstr[j].isNumber()){
octets[i][k++]=ipstr[j].toAscii();
}else{
if(j==0)return 0;
i++;
k=0;
}
}
return (atoi(octets[0])<<24)+(atoi(octets[1])<<16)+(atoi(octets[2])<<8)+atoi(octets[3]);
}
/**
* Handles a click on the flood turning on button.
*/
void MainWindow::PB_ON_clicked(){
ui_->E_IPAddr->setEnabled(0);
ui_->CB_CWR->setEnabled(0);
ui_->CB_ECN->setEnabled(0);
ui_->CB_URG->setEnabled(0);
ui_->CB_ACK->setEnabled(0);
ui_->CB_PSH->setEnabled(0);
ui_->CB_RST->setEnabled(0);
ui_->CB_SYN->setEnabled(0);
ui_->CB_FIN->setEnabled(0);
ui_->RB_TCP->setEnabled(0);
ui_->RB_UDP->setEnabled(0);
ui_->PB_ON->setEnabled(0);
ui_->PB_OFF->setEnabled(1);
startFlood();
}
/**
* Handles a click on the flood turning off button.
*/
void MainWindow::PB_OFF_clicked(){
if(ui_->RB_TCP->isChecked()){
RB_TCP_clicked();
}else if(ui_->RB_UDP->isChecked()){
RB_UDP_clicked();
}
ui_->RB_TCP->setEnabled(1);
ui_->RB_UDP->setEnabled(1);
ui_->PB_ON->setEnabled(1);
ui_->PB_OFF->setEnabled(0);
ui_->BAR_Load->setEnabled(0);
ui_->BAR_Load->setValue(0);
stopFlood();
}
/**
* Prepares and starts flooding
*/
void MainWindow::startFlood(){
int port = ui_->SB_Port->value();
int packetsize = ui_->SB_PacketSize->value();
int freq=ui_->SB_FloodFreq->value();
ui_->BAR_Load->setEnabled(1);
ui_->BAR_Load->setValue(freq/10000);
if (ui_->RB_TCP->isChecked()) {
char flags = 0;//далее устанавливаем флаги пакета
if (ui_->CB_CWR->isChecked())flags += BIN8(10000000);
if (ui_->CB_ECN->isChecked())flags += BIN8(01000000);
if (ui_->CB_URG->isChecked())flags += BIN8(00100000);
if (ui_->CB_ACK->isChecked())flags += BIN8(00010000);
if (ui_->CB_PSH->isChecked())flags += BIN8(00001000);
if (ui_->CB_RST->isChecked())flags += BIN8(00000100);
if (ui_->CB_SYN->isChecked())flags += BIN8(00000010);
if (ui_->CB_FIN->isChecked())flags += BIN8(00000001);
int len = ui_->E_IPAddr->text().length();
char *addr = new char[len+1];
for (int i = 0; i < len; i++)addr[i] = ui_->E_IPAddr->text()[i].toAscii();
addr[len]='\0';
fthread_ = new Flooder(this, addr, port, flags, packetsize, freq);
}else if (ui_->RB_UDP->isChecked()) {
fthread_ = new Flooder(this, port, packetsize, freq);
}
if(ui_->SB_SilentTime->value()==0){//если без задержек
fthread_->start(QThread::TimeCriticalPriority);
}else{//если с задержками
frthread_=new FloodRuller(fthread_,ui_->SB_FloodTime->value(),ui_->SB_SilentTime->value(),this);
frthread_->start(QThread::TimeCriticalPriority);
}
}
/**
* Stops flooding
*/
void MainWindow::stopFlood(){
if(ui_->SB_SilentTime->value()==0){
fthread_->stop();
fthread_->wait();
}else{//если есть задержки между эпизодами флуда сначала останавливаем floodRuller
frthread_->stop();
frthread_->wait();
delete frthread_;
}
delete fthread_;
}
/**
* Handles an event of closing the window
* @param event
*/
void MainWindow::closeEvent(QCloseEvent *event){
if(ui_->BAR_Load->isEnabled()) stopFlood();
event->accept();
};