SNMP编程

开发平台：
Visual C++

SNMPAppDlg.cpp：源码内容
							// SNMPAppDlg.cpp : implementation file
//
#include "stdafx.h"
#include "SNMPApp.h"
#include "SNMPAppDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define WM_ROUTERFINISH WM_USER+777
#define WM_PRINTSTR WM_USER+778
#define WM_SUBNETFINISH WM_USER+779
UINT DoFindTopology(LPVOID pParam);
UINT DoFindSubnet(LPVOID pParam);
enum {normal=0,bold=1,italic=2};
enum {black=0,blue=0x00ff0000,green=0x0000ff00,red=0x000000ff};
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()
/////////////////////////////////////////////////////////////////////////////
// CSNMPAppDlg dialog
CSNMPAppDlg::CSNMPAppDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSNMPAppDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSNMPAppDlg)
	m_input = _T("202.113.16.17");
	m_community = _T("public");
	m_num = _T("3");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	pThread1=NULL;
	pThread2=NULL;
}
void CSNMPAppDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSNMPAppDlg)
	DDX_Text(pDX, IDC_INPUT, m_input);
	DDX_Text(pDX, IDC_EDTCOMMUNITY, m_community);
	DDX_Text(pDX, IDC_EDTNUM, m_num);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CSNMPAppDlg, CDialog)
	//{{AFX_MSG_MAP(CSNMPAppDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_MESSAGE(WM_ROUTERFINISH,OnRouterFinish)
	ON_MESSAGE(WM_SUBNETFINISH,OnSubnetFinish)
	ON_BN_CLICKED(IDC_BTN_GETTOP, OnBtnGettop)
	ON_BN_CLICKED(IDC_BTN_SUBNET, OnBtnSubnet)
	ON_BN_CLICKED(IDC_BTN_STOP, OnBtnStop)
	ON_MESSAGE(WM_PRINTSTR,OnPrintStr)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CSNMPAppDlg message handlers
BOOL CSNMPAppDlg::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);
		}
	}
	// 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
	
	// TODO: Add extra initialization here
	m_edit.SubclassDlgItem(IDC_INFWIN,this);
	CWnd *pbtnSubnet=GetDlgItem(IDC_BTN_SUBNET);
	pbtnSubnet->EnableWindow(FALSE);
	CWnd *pbtnStop=GetDlgItem(IDC_BTN_STOP);
	pbtnStop->EnableWindow(FALSE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CSNMPAppDlg::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 CSNMPAppDlg::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 CSNMPAppDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
void CSNMPAppDlg::OnRouterFinish()
{
	CWnd *pbtnOK=GetDlgItem(IDOK);
	pbtnOK->EnableWindow(TRUE);
	CWnd *pbtnSubnet=GetDlgItem(IDC_BTN_SUBNET);
	pbtnSubnet->EnableWindow(TRUE);
	CWnd *pbtnGettop=GetDlgItem(IDC_BTN_GETTOP);
	pbtnGettop->EnableWindow(FALSE);
}
void CSNMPAppDlg::OnBtnGettop() 
{
	CWnd *pbtnOK=GetDlgItem(IDOK);
	pbtnOK->EnableWindow(FALSE);
	CWnd *pbtnSubnet=GetDlgItem(IDC_BTN_SUBNET);
	pbtnSubnet->EnableWindow(FALSE);
	CWnd *pbtnGettop=GetDlgItem(IDC_BTN_GETTOP);
	pbtnGettop->EnableWindow(FALSE);
	UpdateData();
	
	pThread1=AfxBeginThread((AFX_THREADPROC)DoFindTopology,(void*)this);	
}
void CSNMPAppDlg::OnBtnSubnet() 
{
	CWnd *pbtnOK=GetDlgItem(IDOK);
	pbtnOK->EnableWindow(FALSE);
	CWnd *pbtnGettop=GetDlgItem(IDC_BTN_GETTOP);
	pbtnGettop->EnableWindow(FALSE);
	CWnd *pbtnSubnet=GetDlgItem(IDC_BTN_SUBNET);
	pbtnSubnet->EnableWindow(FALSE);
	AfxBeginThread((AFX_THREADPROC)DoFindSubnet,(void*)this);
	CWnd *pbtnStop=GetDlgItem(IDC_BTN_STOP);
	pbtnStop->EnableWindow(TRUE);
}
void CSNMPAppDlg::OnSubnetFinish()
{
	CWnd *pbtnOK=GetDlgItem(IDOK);
	pbtnOK->EnableWindow(TRUE);
	CWnd *pbtnSubnet=GetDlgItem(IDC_BTN_SUBNET);
	pbtnSubnet->EnableWindow(FALSE);
	CWnd *pbtnStop=GetDlgItem(IDC_BTN_STOP);
	pbtnStop->EnableWindow(FALSE);
}
void CSNMPAppDlg::OnBtnStop()
{
	extern BOOL g_Stop;
	g_Stop=TRUE;
}
void CSNMPAppDlg::OnPrintStr(WPARAM wParam, LPARAM lParam)
{
	COLORREF color=(COLORREF)lParam;
	int style=wParam;
	extern CString infprint;
	CHARFORMAT cf,oldcf;
	m_edit.GetDefaultCharFormat(cf);
	cf.crTextColor=color;
	switch (style)
	{
	case bold:
		cf.dwMask |=CFM_BOLD;
		cf.dwEffects=CFE_BOLD;
		break;
	case italic:
		cf.dwMask |=CFM_ITALIC;
		cf.dwEffects=CFE_ITALIC;
		break;
	case normal:
	default:
		break;
	}
	m_edit.SetSel(-1,-1);
	long start1,end1,start2,end2;
	m_edit.GetSel(start1,end1);
	m_edit.ReplaceSel(infprint);
	m_edit.GetSel(start2,end2);
	m_edit.SetSel(end1,end2);
	m_edit.SetSelectionCharFormat(cf);
	m_edit.SetSel(-1,-1);
}
BOOL CSNMPAppDlg::DestroyWindow() 
{
extern CObArray routerSet;
	for (int i=0;i<routerSet.GetSize();i++)
	{
		CRouter* pRouter=(CRouter*)routerSet.GetAt(i);
		delete pRouter;
	}
	
	return CDialog::DestroyWindow();
}

						