www.pudn.com > ChatRoom(Winsock).rar > Example1Dlg.cpp


// Example1Dlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "Example1.h" 
#include "Example1Dlg.h" 
#include "winsock.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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CExample1Dlg dialog 
 
CExample1Dlg::CExample1Dlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CExample1Dlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CExample1Dlg) 
	m_uPort = 4000; 
	m_sShowText = _T(""); 
	m_sInputText = _T(""); 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CExample1Dlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CExample1Dlg) 
	DDX_Control(pDX, IDC_SERVERIP, m_ServerIp); 
	DDX_Text(pDX, IDC_PORT, m_uPort); 
	DDV_MinMaxUInt(pDX, m_uPort, 1024, 100000); 
	DDX_Text(pDX, IDC_SHOWTEXT, m_sShowText); 
	DDX_Text(pDX, IDC_INPUTTEXT, m_sInputText); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CExample1Dlg, CDialog) 
	//{{AFX_MSG_MAP(CExample1Dlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_CONNECT, OnConnect) 
	ON_BN_CLICKED(IDC_SETSERVER, OnSetserver) 
	ON_EN_UPDATE(IDC_INPUTTEXT,OnInputText) 
	ON_MESSAGE(SER_MESSAGE,OnServerMessage) 
	ON_MESSAGE(CLI_MESSAGE,OnClientMessage) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CExample1Dlg message handlers 
 
BOOL CExample1Dlg::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 
	WSADATA wsaData; 
	WORD version = MAKEWORD(2, 0); 
	int ret = WSAStartup(version, &wsaData); 
	if(ret != 0) 
	{ 
		TRACE("Initilize Error!\n");  //初始化失败 
		AfxMessageBox("Failed in initial socket"); 
	} 
//	m_connectionList.AssertValid(); 
	m_connectionList.RemoveAll(); 
	ASSERT(m_connectionList.GetCount()==0); 
	m_bInit=FALSE; 
	m_bClient=FALSE; 
 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CExample1Dlg::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 CExample1Dlg::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 CExample1Dlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CExample1Dlg::OnConnect()  
{ 
	 
	// TODO: Add your control notification handler code here 
	BYTE  f0,f1,f2,f3; 
	m_ServerIp.GetAddress(f0,f1,f2,f3); 
	CString add; 
	add.Format("%d.%d.%d.%d",f0,f1,f2,f3); 
	 
	if(m_client.InitAndConnet(m_hWnd,m_uPort,add)==FALSE) 
		return; 
} 
 
void CExample1Dlg::OnSetserver()  
{ 
	 
	// TODO: Add your control notification handler code here 
	if(m_server.InitAndListen(this->m_hWnd,m_uPort)==FALSE) 
	{ 
		return; 
	} 
	else 
	{ 
		m_bInit=TRUE; 
		m_bClient=FALSE; 
		m_sShowText="Server has been set ok!\n"; 
		GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText); 
	} 
} 
 
//Server消息相应函数 
LRESULT CExample1Dlg::OnServerMessage(WPARAM wParam, LPARAM lParam) 
{ 
 
	SOCKET socket,ts; 
	int length,i,j; 
	CString str=""; 
	CEdit * output=NULL; 
	char s[1024]; 
	int len; 
	switch(lParam) 
	{ 
		case FD_ACCEPT: 
			socket= accept(m_server.m_hSocket,NULL,NULL); 
			length=m_connectionList.GetCount(); 
			for(i=0;iSetWindowText(m_sShowText); 
			output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
			//随时跟踪滚动条的位置 
			output->LineScroll(output->GetLineCount()); 
			m_connectionList.AddHead(socket); 
			return 0; 
 
		case FD_READ: 
			length=m_connectionList.GetCount(); 
			for(i=0;iSetWindowText(m_sShowText); 
					CEdit * output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
					//随时跟踪滚动条的位置 
					output->LineScroll(output->GetLineCount()); 
					return 0; 
				} 
			} 
			return 0; 
 
		case FD_WRITE: 
			return 0; 
 
		case FD_CLOSE: 
			return 0; 
 
		default: 
			m_sShowText=m_sShowText+"An networking error has occured with a client"; 
			GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText); 
			CEdit * output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
			//随时跟踪滚动条的位置 
			output->LineScroll(output->GetLineCount()); 
			return 0; 
	} 
} 
 
LRESULT CExample1Dlg::OnClientMessage(WPARAM wParam, LPARAM lParam) 
{ 
	CEdit * output=NULL; 
	char s[1024]; 
	int len; 
	switch(lParam) 
	{ 
		case FD_CONNECT: 
			len=GetLastError(); 
			if(len!=0) 
			{ 
				AfxMessageBox("Error in Connecting"); 
			} 
			else 
			{ 
				m_bInit=TRUE; 
				m_bClient=TRUE; 
				m_sShowText="Having connected to server!\n"; 
				GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText); 
			} 
			return 0; 
		case FD_READ: 
			len=recv(m_client.m_hSocket,s,1024,0); 
			s[len]=NULL; 
			m_sShowText+=s; 
			//随时跟踪滚动条的位置  
			output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
			output->SetWindowText(m_sShowText); 
			output->LineScroll(output->GetLineCount()); 
			return 0; 
		case FD_WRITE: 
			return 0; 
		case FD_CLOSE: 
			return 0; 
		default: 
			output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
			output->SetWindowText("An network error has occured,the connection is dropped"); 
			closesocket(m_client.m_hSocket); 
			m_bInit=false; 
			return 0; 
	} 
} 
 
void CExample1Dlg::OnInputText() 
{ 
	if(!m_bInit) 
	{ 
		AfxMessageBox("The session has not been set correctly"); 
		return; 
	} 
	CString in; 
	GetDlgItem(IDC_INPUTTEXT)->GetWindowText(in); 
	//输入框中只有回车键被按下,所以不发送回车键字符 
	if(in.GetLength()<1) 
	{ 
		return; 
	} 
 
	if(in.GetAt(in.GetLength()-1)=='\n') 
	{ 
		//in.TrimRight(" ")用来消去无用的空格键字符 
		in.TrimRight(" "); 
		//将输入框中的字符清空,表示字符已经被发送 
		GetDlgItem(IDC_INPUTTEXT)->SetWindowText(""); 
		if(in.GetLength()>2) 
		{ 
			m_sShowText+=in; 
			//将输入的话显示到显示窗口中 
			GetDlgItem(IDC_SHOWTEXT)->SetWindowText(m_sShowText);		 
			CEdit * output=(CEdit *)GetDlgItem(IDC_SHOWTEXT); 
			//随时跟踪滚动条的位置 
			output->LineScroll(output->GetLineCount()); 
 
			//服务器端 
			if(!m_bClient) 
			{ 
				int length=m_connectionList.GetCount(); 
				SOCKET  socket; 
				for(int i=0;i