vc实现向指定ip端口发送数据或文件，获取本机ip

// ServerDlg.cpp : implementation file // #include "stdafx.h" #include "Server.h" #include "ServerDlg.h" #include <afx.h> #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif long shumu=0; ///////////////////////////////////////////////////////////////////////////// // CServerDlg dialog CServerDlg *hINFO = NULL; CWinThread* pThread1; UINT ProcessTreadIOA( LPVOID pParam); CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/) : CDialog(CServerDlg::IDD, pParent) { //{{AFX_DATA_INIT(CServerDlg) m_port = 0; m_locoal = _T(""); m_shumu = 0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CServerDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CServerDlg) DDX_Control(pDX, IDC_IPADDRESS, m_ip); DDX_Text(pDX, IDC_PORT, m_port); DDX_Text(pDX, IDC_EDIT1, m_locoal); DDX_Text(pDX, IDC_EDIT2, m_shumu); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CServerDlg, CDialog) //{{AFX_MSG_MAP(CServerDlg) ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_LICSEN, OnButtonLicsen) ON_BN_CLICKED(IDC_BUTTON1, OnButton1) ON_BN_CLICKED(IDC_BUTTON2, OnButton2) ON_BN_CLICKED(IDC_BUTTON3, OnButton3) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CServerDlg message handlers BOOL CServerDlg::OnInitDialog() { CDialog::OnInitDialog(); // 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 hINFO = this; int i; char sTmp[32]=""; unsigned long IP; IP=-1; for (i=0; IP!=0;i++) { IP=GetLocalNumericIP(i); if (IP !=0) { wsprintf(sTmp,"%d.%d.%d.%d",(IP&0xFF),((IP>>8 ) & 0xFF),((IP>>16) & 0xFF),((IP>>24) & 0xFF)); } CString theString = sTmp; theString.Format(_T("%s"), sTmp); m_locoal=theString; } UpdateData(FALSE); return TRUE; // return TRUE unless you set the focus to a control } // 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 CServerDlg::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 CServerDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CServerDlg::OnButtonLicsen() { // TODO: Add your control notification handler code here CFileDialog Dlg(TRUE); if(Dlg.DoModal()!=IDOK) return; CFile file1; CString dwj; LPCTSTR end="%%%"; if(!file1.Open(Dlg.GetPathName(), CFile::modeRead | CFile::typeBinary)) { AfxMessageBox("文件不存在!",MB_OK|MB_ICONERROR); return; } shumu=0; file1.SeekToBegin();/////存入到CString之中 CString youyong; int nLen=file1.GetLength(); char *buf=new char [nLen+10]; file1.ReadHuge(buf,nLen); dwj += buf; file1.Close(); int n=dwj.Find(end); youyong=dwj.Mid(0,n+4); UpdateData(true); unsigned int lport=0; CSocket sockSrvr; sockSrvr.Create(); lport=m_port; unsigned char *pIP; CString strIP; DWORD dwIP; m_ip.GetAddress(dwIP); pIP=(unsigned char*)&dwIP; strIP.Format("%u.%u.%u.%u",*(pIP+3),*(pIP+2),*(pIP+1),*pIP); if(!sockSrvr.Connect(strIP, lport)) { AfxMessageBox("连接到对方机器失败!"); return; } AfxMessageBox(youyong); //int recvbuflen=(int)strlen(recvbuf); sockSrvr.Send(youyong,youyong.GetLength()); UINT dwRead=0;sockSrvr.Close(); AfxMessageBox("发送完毕！"); shumu=shumu+1; } DWORD CServerDlg::GetLocalNumericIP(int Index) { if (0==gethostname (HostName,100)) { if (!(lpHostEnt = gethostbyname(HostName))) { return(-1); } else { lpDW=((DWORD*)(*lpHostEnt).h_addr_list); lpDW+=Index; lpDW2=(DWORD *) *lpDW; if (lpDW2==0) return 0; else return (*lpDW2); } } else return (-1); } void CServerDlg::OnButton1() { CDialog::OnOK(); } UINT ProcessTreadIOA( LPVOID pParam) { CFileDialog Dlg(TRUE); if(Dlg.DoModal()!=IDOK) return 0; CFile file1; CString dwj; LPCTSTR end="%%%"; if(!file1.Open(Dlg.GetPathName(), CFile::modeRead | CFile::typeBinary)) { AfxMessageBox("文件不存在!",MB_OK|MB_ICONERROR); return 0; } file1.SeekToBegin();/////存入到CString之中 CString youyong; int nLen=file1.GetLength(); char *buf=new char [nLen+10]; file1.ReadHuge(buf,nLen); dwj += buf; file1.Close(); int n=dwj.Find(end); youyong=dwj.Mid(0,n+4); unsigned int lport=0; lport=hINFO->m_port; unsigned char *pIP; CString strIP; DWORD dwIP; hINFO->m_ip.GetAddress(dwIP); pIP=(unsigned char*)&dwIP; strIP.Format("%u.%u.%u.%u",*(pIP+3),*(pIP+2),*(pIP+1),*pIP); for(;;) { Sleep(60); CSocket sockSrvr; sockSrvr.Create(); if(!sockSrvr.Connect(strIP, lport)) { AfxMessageBox("连接到对方机器失败!"); return 0; } sockSrvr.Send(youyong,youyong.GetLength()); sockSrvr.Close(); } return 0; } void CServerDlg::OnButton2() { UINT dwRead=0; hINFO->UpdateData(true); if (pThread1==NULL) { pThread1 =AfxBeginThread(ProcessTreadIOA,GetSafeHwnd()); return ; } } void CServerDlg::OnButton3() { if (pThread1==NULL) return ; // ::TerminateThread(pThread1->m_hThread,NULL); pThread1->SuspendThread(); return ; }