MFC基于TCP/IP协议的聊天室源代码 (继承CSocket)

// TcpChatRoomDlg.cpp : implementation file // #include "stdafx.h" #include "TcpChatRoom.h" #include "TcpChatRoomDlg.h" #include "afxsock.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() ///////////////////////////////////////////////////////////////////////////// // CTcpChatRoomDlg dialog CTcpChatRoomDlg::CTcpChatRoomDlg(CWnd* pParent /*=NULL*/) : CDialog(CTcpChatRoomDlg::IDD, pParent) { //{{AFX_DATA_INIT(CTcpChatRoomDlg) m_sInputString = _T(""); m_sShowString = _T(""); m_uPort = 4000; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CTcpChatRoomDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CTcpChatRoomDlg) DDX_Text(pDX, IDC_INPUTTEXT, m_sInputString); DDV_MaxChars(pDX, m_sInputString, 1024); DDX_Text(pDX, IDC_SHOWTEXT, m_sShowString); DDX_Text(pDX, IDC_PORT, m_uPort); DDV_MinMaxUInt(pDX, m_uPort, 1024, 100000); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CTcpChatRoomDlg, CDialog) //{{AFX_MSG_MAP(CTcpChatRoomDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_EN_UPDATE(IDC_INPUTTEXT,OnInputText) ON_BN_CLICKED(IDC_CONNECTSERVER, OnConnectserver) ON_BN_CLICKED(IDC_SETSERVER, OnSetserver) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CTcpChatRoomDlg message handlers BOOL CTcpChatRoomDlg::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 if(AfxSocketInit(NULL)==0) { AfxMessageBox("CSocket Inital Error"); } BYTE f0,f1,f2,f3; CString name; CClientSocket::GetLocalHostName(name); CClientSocket::GetIpAddress(name,f0,f1,f2,f3); ((CIPAddressCtrl *)(GetDlgItem(IDC_IPADDRESS)))->SetAddress(f0,f1,f2,f3); m_bInit=false; m_bClient=false; return TRUE; // return TRUE unless you set the focus to a control } void CTcpChatRoomDlg::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 CTcpChatRoomDlg::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 CTcpChatRoomDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CTcpChatRoomDlg::OnInputText() { if(!m_bInit) { AfxMessageBox("Not Connection to The Server"); return; } CString in; CMessg msg; GetDlgItemText(IDC_INPUTTEXT,in); if(in.GetLength()<1) { return; } if(in.GetAt(in.GetLength()-1)=='\n') { in.TrimRight(" "); SetDlgItemText(IDC_INPUTTEXT,""); if(in.GetLength()>2) { m_sMsgList+=in; SetDlgItemText(IDC_SHOWTEXT,m_sMsgList); int m_iLineCurrentPos=((CEdit *)(GetDlgItem(IDC_SHOWTEXT)))->GetLineCount(); ((CEdit *)(GetDlgItem(IDC_SHOWTEXT)))->LineScroll(m_iLineCurrentPos); msg.m_strText=in; if(!m_bClient) { POSITION pos; for(pos=m_connectionList.GetHeadPosition();pos!=NULL;) { CClientSocket * t= (CClientSocket *)m_connectionList.GetNext(pos); t->SendMessage(&msg); } } else { m_clientsocket.SendMessage(&msg); } } } } void CTcpChatRoomDlg::ProcessPendingAccept() { CClientSocket* pSocket = new CClientSocket(); if (m_pListenSocket.Accept(*pSocket)) { CMessg msg; msg.m_strText="一个游客进入聊天室了"; m_sShowString+="一个游客进入聊天室了\n"; POSITION pos; for(pos=m_connectionList.GetHeadPosition();pos!=NULL;) { CClientSocket * t= (CClientSocket *)m_connectionList.GetNext(pos); t->SendMessage(&msg); } pSocket->Init(this); m_connectionList.AddTail(pSocket); } else delete pSocket; } void CTcpChatRoomDlg::ClearContent() { if(m_bClient) { m_clientsocket.Close(); } else { m_pListenSocket.Close(); m_connectionList.RemoveAll(); } m_bInit=false; m_sMsgList=""; SetDlgItemText(IDC_INPUTTEXT,""); SetDlgItemText(IDC_SHOWTEXT,""); } void CTcpChatRoomDlg::OnClearconnection() { ClearContent(); } void CTcpChatRoomDlg::CloseSessionSocket() { if(!m_bClient) { for(POSITION pos=m_connectionList.GetHeadPosition();pos!=NULL;) { POSITION t_pos=pos; CClientSocket * t = (CClientSocket*)m_connectionList.GetNext(pos); if(t->m_bClose==true) { m_connectionList.RemoveAt(t_pos); } } } } void CTcpChatRoomDlg::OnConnectserver() { // TODO: Add your control notification handler code here if(!m_bInit) { BYTE f0,f1,f2,f3; CString name; ((CIPAddressCtrl *)(GetDlgItem(IDC_IPADDRESS)))->GetAddress(f0,f1,f2,f3); CString ip; ip.Format("%d.%d.%d.%d",f0,f1,f2,f3); m_bClient=true; m_clientsocket.Create(); if(m_clientsocket.Connect(ip,GetDlgItemInt(IDC_PORT))) { m_clientsocket.Init(this); SetDlgItemText(IDC_SHOWTEXT,"Client Connection Succeed"); m_bInit=true; } else { m_clientsocket.Close(); AfxMessageBox("client connection failed"); m_bInit=false; } } } void CTcpChatRoomDlg::OnSetserver() { // TODO: Add your control notification handler code here if(!m_bInit) { m_bClient=false; m_bInit=true; if(m_pListenSocket.Init(GetDlgItemInt(IDC_PORT),this)==FALSE) { m_bInit=false; return; } } }