crcdlg.cpp

计算机网络CRC码测试

// CRCDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CRC.h"
#include "CRCDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCRCDlg dialog

CCRCDlg::CCRCDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCRCDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCRCDlg)
	m_TDATA = _T("");
	m_ERROR = _T("");
	m_RDATA = _T("");
	m_port = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCRCDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCRCDlg)
	DDX_Control(pDX, IDC_port, m_x);
	DDX_Control(pDX, IDC_IPADDRESS1, m_IP);
	DDX_Text(pDX, IDC_DATA, m_TDATA);
	DDX_Text(pDX, IDC_ERROR, m_ERROR);
	DDX_Text(pDX, IDC_RDATA, m_RDATA);
	DDX_Text(pDX, IDC_port, m_port);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCRCDlg, CDialog)
	//{{AFX_MSG_MAP(CCRCDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CTLCOLOR()
	ON_EN_CHANGE(IDC_DATA, OnChangeData)
	ON_EN_CHANGE(IDC_RDATA, OnChangeRdata)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_jiema, Onjiema)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCRCDlg message handlers

BOOL CCRCDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}
	
	//(this->GetDlgItem(IDC_DATA))->EnableWindow(FALSE);
    //(this->GetDlgItem(IDC_RDATA))->EnableWindow(FALSE);
	UpdateData(TRUE);
	m_ERROR="无错";
	m_RDATA="00000000000";
	m_TDATA="11111111111";
	m_port="6767";
	UpdateData(FALSE);
	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	VERIFY(m_ConvertBtn.AutoLoad(IDC_jiema,this));
	// TODO: Add extra initialization here
	//网络编程端
	//m_Listen=INVALID_SOCKET;
	//WSAEVENT NewEvent;
	char hostname[256];
	
    if(gethostname(hostname,sizeof(hostname))==SOCKET_ERROR )
	MessageBox("未进行winsock初始化");//这一代码是为
	//printf(hostname);
	HOSTENT*hos=gethostbyname(hostname);    //了实现自动获取安
	if(hos==NULL)
	{	
		MessageBox("你未能连接上其他计算机");
	//::AfxGetMainWnd()->PostMessage(WM_QUIT);
	//EndDialog(IDCANCEL);
	m_IP.SetWindowText("0.0.0.0");
	}
	else
	{
    CString CS=inet_ntoa(*(struct in_addr*)hos->h_addr_list[0]);
	m_IP.SetWindowText(CS);
	}
	
	//初始化socket套接字
	EventTotal=0;
	WSAEVENT NewEvent;
	m_myseversock.InitWinSock(AF_INET,atoi(m_port),"");
	if(m_myseversock.CreateSocket()!=SOCKET_ERROR)
		MessageBox("创建成功");
	m_myseversock.mybind();
	NewEvent=m_myseversock.myWSACreateEvent();
	if(m_myseversock.myWSAEventSelect(m_myseversock.m_Socket,NewEvent,FD_ACCEPT|FD_READ|FD_WRITE|FD_CLOSE)!=SOCKET_ERROR)
		MessageBox("注册网络事件成功!");
	for(int i=0; i<WSA_MAX_WAIT_EVENTS; i++)
	{
		ClientSocket[i] = INVALID_SOCKET;
		
	}
	ClientSocket[EventTotal] =m_myseversock.m_Socket;
	Event[EventTotal]=NewEvent;
	EventTotal++;
	if(m_myseversock.mylisten(16)==1)
		MessageBox("listen is starting");
	AfxBeginThread(KernelWorkThread,this);//开启第一个线程
	//
	this->SetTimer(1,1000,NULL);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCRCDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CCRCDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{

		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCRCDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

HBRUSH CCRCDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// TODO: Change any attributes of the DC here
	
	switch(nCtlColor)
	{
	case CTLCOLOR_EDIT:
		{
			if(pWnd->GetDlgCtrlID()==IDC_DATA)
			{
				
				//CBrush brh(&bmp);
				//pDC->SetBkMode(TRANSPARENT);
				//pDC->FillRect(rc,&brh);
				pDC->SetBkColor(RGB(200,10,200));
				hbr =(HBRUSH)::GetStockObject(HOLLOW_BRUSH);
			}
			else if(pWnd->GetDlgCtrlID()==IDC_RDATA)
			{
              //pDC->SetBkMode(TRANSPARENT);
				//pDC->FillRect(rc,&brh);

				pDC->SetBkColor(RGB(70,70,255));
				pDC->SetTextColor(RGB(255,100,0));
				hbr =(HBRUSH)::GetStockObject(HOLLOW_BRUSH);

			}
			break;
		}
	case CTLCOLOR_STATIC:
		{
			if(pWnd->GetDlgCtrlID()==IDC_ERROR)
			{
				//pDC->SetBkMode(TRANSPARENT);
				//pDC->FillRect(rc,&brh);
				pDC->SetBkColor(RGB(255,0,0));
				hbr =(HBRUSH)::GetStockObject(HOLLOW_BRUSH);
			}

		}

	default:
		break;
	}
	// TODO: Return a different brush if the default is not desired
	return hbr;
}
BOOL IsNumeric(char *buff)
{
	// validate data
	char *ptr = buff;
	while(*ptr)
	{
		if (*ptr=='0'||*ptr=='1'||*ptr==':'||*ptr=='\0')
		{
			ptr++;
		}
		else
			return FALSE;
	}
	return TRUE;
}

UINT KernelWorkThread(LPVOID pParam)
{ 
	CCRCDlg* dlg;
	dlg = (CCRCDlg*)pParam;
    char buffer[1000]={0};
	while(1)
	{
		dlg->Index = WSAWaitForMultipleEvents(dlg->EventTotal, dlg->Event, FALSE, WSA_INFINITE, FALSE);
		
		WSAEnumNetworkEvents(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0], dlg->Event[dlg->Index - WSA_WAIT_EVENT_0],&(dlg->NetworkEvent));
		
		if((dlg->NetworkEvent).lNetworkEvents & FD_ACCEPT)
		{
			dlg->Accept= accept(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0], NULL, NULL);
			if(dlg->EventTotal > WSA_MAX_WAIT_EVENTS)
			{
				closesocket(dlg->Accept);
				break;
			}
			
			
			WSAEVENT NewEvent;
			NewEvent = WSACreateEvent();
			WSAEventSelect( dlg->Accept, NewEvent, FD_WRITE|FD_READ|FD_CLOSE);
			dlg->ClientSocket[dlg->EventTotal] =  dlg->Accept;
			if(dlg->Accept != INVALID_SOCKET)
				dlg->MessageBox("接受连接成功!");
			else 
                dlg->MessageBox("接受连接失败!");
			dlg->Event[dlg->EventTotal] = NewEvent;
			(dlg->EventTotal)++;
			
		}
		if((dlg->NetworkEvent).lNetworkEvents & FD_READ)
		{
			
			recv(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0], buffer, sizeof(buffer), 0);
			
			if(IsNumeric(buffer))
			{
			
			dlg->m_linjie.Lock();
			CString cs=buffer;
			int pos=cs.Find(':');
			dlg->m_duoxs=cs.Left(pos);
			dlg->m_recev=cs.Right(cs.GetLength()-pos-1);
			dlg->m_linjie.Unlock();
			cs="实验数据接收正常！！\n等待处理……";
			send(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0], (char   *)(LPCSTR)cs, cs.GetLength(), 0);
			//dlg->ff();
			}
			else
			{
				CString cs=buffer;
				cs="接收到的数据为："+cs+" \n不是由1 0 组成！无法进行CRC实验！";
				dlg->MessageBox(cs);
			send(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0], (char   *)(LPCSTR)cs, cs.GetLength(), 0);
			
			}
			
		}
		if((dlg->NetworkEvent).lNetworkEvents & FD_WRITE)
		{
			send(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0], "连接成功", sizeof("连接成功"), 0);
			send(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0], buffer, sizeof(buffer), 0);
		}
		if((dlg->NetworkEvent).lNetworkEvents & FD_CLOSE)
		{
			closesocket(dlg->ClientSocket[dlg->Index - WSA_WAIT_EVENT_0]);
			for(int j=dlg->Index - WSA_WAIT_EVENT_0; j<WSA_MAX_WAIT_EVENTS-1; j++)
			{
				dlg->ClientSocket[j] = dlg->ClientSocket[j+1];
				dlg->Event[j] = dlg->Event[j+1];
			}
			dlg->ClientSocket[WSA_MAX_WAIT_EVENTS-1] = INVALID_SOCKET;
			dlg->Event[WSA_MAX_WAIT_EVENTS-1] = WSA_INVALID_EVENT;
			(dlg->EventTotal)--;
			
			
		}
		
	}
	return 0;
}

void CCRCDlg::OnChangeData() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	/// with the ENM_CHANGE flag ORed into the mask.
	UpdateData(FALSE);
	// TODO: Add your control notification handler code here
	
}

void CCRCDlg::OnChangeRdata() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
    UpdateData(FALSE);
	// TODO: Add your control notification handler code here
	
}

void CCRCDlg::ff()
{
       this->UpdateData(FALSE);
}

void CCRCDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default

	m_RDATA=m_recev;
	this->UpdateData(FALSE);
	CDialog::OnTimer(nIDEvent);
}

void CCRCDlg::Onjiema() 
{
	// TODO: Add your control notification handler code here
	/*char   *   lpsz_s   =   NULL;   
    
  CString   CStr;   
    
  lpsz_s=(char   *)malloc(CStr.GetLength()+1);   
    
  _tcscpy(lpsz_s,   CStr);*/
	CString r=m_RDATA;
	int count=m_RDATA.GetLength();
	CString duoxs=m_duoxs;
	char *rcv=(char   *)(LPCSTR)r;
	char *quantic=(char *)(LPCSTR)duoxs;
	CString cs="";
	//char *r=GetBuffer(m_RDATA.GetBuffer);
	if(rcv=="")
	{
		MessageBox("请确认已经接收数据！！否则无法进行！");
	return;
	}
	int i=0;
	int k=8;
	while(k<=count-1)
	{
		int j=i,m=0;
		if(rcv[j]=='0')
		{
			i++;
			k++;
			cs=cs+"0";
			continue;
		}
		else
		{
		     for(;j<=k;j++,m++)
			 {
			     if(rcv[j]==quantic[m])
				    rcv[j]='0';
			     else
				 rcv[j]='1';
			 }
			 cs=cs+"1";
			// cs.Format("%s%c",cs,'1');
			 i++;
			 k++;
		}

	}
CString yy;
int flag=0;
for(i=0;i<count;i++)
if(rcv[i]=='1')
flag=1;
  if(flag==1)
  {
	  m_ERROR="传输错误!";
      yy="T(X) "+m_RDATA+" 传输错误";
  }
  else
  {
	  m_ERROR="传输正确!";
      yy="T(X) "+m_RDATA+" 被正确处理!实验成功";
  }
  send(this->ClientSocket[1], (char *)(LPCSTR)yy, yy.GetLength(), 0);
  m_TDATA=cs;
  this->UpdateData(FALSE);
}