vc++编的多线程扫描端口

// MyScanPortDlg.cpp : implementation file // #include "stdafx.h" #include "MyScanPort.h" #include "MyScanPortDlg.h" #include "afxmt.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif BOOL REPORT_SUCCEED,REPORT_FAILED; typedef struct ThreadParam { int StartPort; int EndPort; HWND hwnd; byte a,b,c,d; }THREADPARAM; typedef struct PortParam { int iPort; HWND hwnd; byte a,b,c,d; }PORTPARAM; THREADPARAM threadparam1; bool IsStop; HANDLE g_Busy; CString g_message; bool ReleaseSmp; CCriticalSection criticalSection; int NowWhere; UINT GetPortMessage(LPVOID pParam); UINT MyThread(LPVOID pParam) { THREADPARAM* threadparam=(THREADPARAM*)pParam; sockaddr_in addr; addr.sin_family=AF_INET; addr.sin_addr.S_un.S_un_b.s_b1=threadparam->a; addr.sin_addr.S_un.S_un_b.s_b2=threadparam->b; addr.sin_addr.S_un.S_un_b.s_b3=threadparam->c; addr.sin_addr.S_un.S_un_b.s_b4=threadparam->d; for(int i=threadparam->StartPort;(i<threadparam->EndPort)&&(!IsStop)&&(NowWhere<=threadparam->EndPort);i++) { SOCKET sck_Conn; sck_Conn=socket(AF_INET,SOCK_STREAM,0); if(sck_Conn==INVALID_SOCKET) { return 0; } criticalSection.Lock(); i=NowWhere; NowWhere++; criticalSection.Unlock(); addr.sin_port=htons(i); sck_Conn=socket(AF_INET,SOCK_STREAM,0); if(sck_Conn==INVALID_SOCKET) { return 0; } int ddd=connect(sck_Conn,(sockaddr*)&addr,sizeof(addr)); CString aa=""; char buffer[80]; strcpy(buffer,""); if(ddd==SOCKET_ERROR) { if(REPORT_FAILED) aa.Format("failed! port:%d\r\n",i); } else { if(REPORT_SUCCEED) aa.Format("succeed! port:%d\r\n",i); } PORTPARAM *portparam=new PORTPARAM; portparam->a=threadparam->a; portparam->b=threadparam->b; portparam->c=threadparam->c; portparam->d=threadparam->d; portparam->hwnd=threadparam->hwnd; portparam->iPort=i; AfxBeginThread(GetPortMessage,portparam,THREAD_PRIORITY_IDLE); closesocket(sck_Conn); if(g_message.GetLength()>30000) g_message=""; g_message=aa+g_message; if(i==threadparam->EndPort) { g_message="scan port complete!\r\n\r\n"+g_message; } ::SetWindowText(threadparam->hwnd,g_message); } if(!ReleaseSmp) { if(ReleaseSemaphore(g_Busy,1,NULL)) ReleaseSmp=true; } return 0; } UINT GetPortMessage(LPVOID pParam) { PORTPARAM* portparam1=(PORTPARAM*)pParam; sockaddr_in addr; addr.sin_family=AF_INET; addr.sin_addr.S_un.S_un_b.s_b1=portparam1->a; addr.sin_addr.S_un.S_un_b.s_b2=portparam1->b; addr.sin_addr.S_un.S_un_b.s_b3=portparam1->c; addr.sin_addr.S_un.S_un_b.s_b4=portparam1->d; addr.sin_port=htons(portparam1->iPort); SOCKET sck_Conn; sck_Conn=socket(AF_INET,SOCK_STREAM,0); if(sck_Conn==INVALID_SOCKET) { delete pParam; return 0; } sck_Conn=socket(AF_INET,SOCK_STREAM,0); int ddd=connect(sck_Conn,(sockaddr*)&addr,sizeof(addr)); if(ddd==SOCKET_ERROR) { closesocket(sck_Conn); delete pParam; return 0; } char buffer[256]; strcpy(buffer,""); ddd=recv(sck_Conn,buffer,256,0); if(ddd==SOCKET_ERROR) { closesocket(sck_Conn); delete pParam; return 0; } if(strcmp(buffer,"")!=0) { CString aa=""; for(int i=0;i<256;i++) { if(buffer[i]>128||buffer[i]<0) { buffer[i]='\0'; break; } } aa.Format("port:%d is %s\r\n",portparam1->iPort,buffer); closesocket(sck_Conn); if(g_message.GetLength()>30000) { g_message=""; } g_message=g_message+aa; ::SetWindowText(portparam1->hwnd,g_message); } delete pParam; return 0;return 0; } ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CMyScanPortDlg dialog CMyScanPortDlg::CMyScanPortDlg(CWnd* pParent /*=NULL*/) : CDialog(CMyScanPortDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMyScanPortDlg) m_endport = 65536; m_startport = 0; m_message = _T(""); m_threadnum = 1; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); IsStop=false; g_Busy=CreateSemaphore(NULL,1,1,NULL); g_message=""; NowWhere=0; ReleaseSmp=false; REPORT_SUCCEED=true; REPORT_FAILED=false; } void CMyScanPortDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMyScanPortDlg) DDX_Control(pDX, IDC_IPADDRESS, m_ipaddress); DDX_Text(pDX, IDC_ENDPORT, m_endport); DDX_Text(pDX, IDC_STARTPORT, m_startport); DDX_Text(pDX, IDC_MESSAGE, m_message); DDX_Text(pDX, IDC_THREADNUM, m_threadnum); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMyScanPortDlg, CDialog) //{{AFX_MSG_MAP(CMyScanPortDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_START, OnStart) ON_BN_CLICKED(IDC_STOP, OnStop) ON_BN_CLICKED(IDC_CLOSE, OnClose) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMyScanPortDlg message handlers BOOL CMyScanPortDlg::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 GetDlgItem(IDC_STOP)->EnableWindow(false); return TRUE; // return TRUE unless you set the focus to a control } void CMyScanPortDlg::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 CMyScanPortDlg::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