www.pudn.com > ChatRoom(1).rar > Example2_ChatRoomDlg.cpp, change:2003-07-15,size:10865b


// Example2_ChatRoomDlg.cpp : implementation file 
// 
#include "stdafx.h" 
#include "Example2_ChatRoom.h" 
#include "Example2_ChatRoomDlg.h" 
#include "afxsock.h" 
#include "fstream.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() 
///////////////////////////////////////////////////////////////////////////// 
// CExample2_ChatRoomDlg dialog 
CExample2_ChatRoomDlg::CExample2_ChatRoomDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CExample2_ChatRoomDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CExample2_ChatRoomDlg) 
	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); 
} 
CExample2_ChatRoomDlg::~CExample2_ChatRoomDlg() 
{ 
} 
void CExample2_ChatRoomDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CExample2_ChatRoomDlg) 
	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(CExample2_ChatRoomDlg, CDialog) 
	//{{AFX_MSG_MAP(CExample2_ChatRoomDlg) 
	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) 
	ON_BN_CLICKED(IDC_SOUND, OnSound) 
	ON_BN_CLICKED(IDC_NEWSEND, OnNewsend) 
	ON_MESSAGE(MM_WIM_DATA,WriteBufferFull) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
///////////////////////////////////////////////////////////////////////////// 
// CExample2_ChatRoomDlg message handlers 
BOOL CExample2_ChatRoomDlg::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; 
	m_willchating=TRUE; 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
void CExample2_ChatRoomDlg::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 CExample2_ChatRoomDlg::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 CExample2_ChatRoomDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
void CExample2_ChatRoomDlg::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 CExample2_ChatRoomDlg::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 CExample2_ChatRoomDlg::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 CExample2_ChatRoomDlg::OnClearconnection()  
{ 
	ClearContent(); 
} 
void CExample2_ChatRoomDlg::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 CExample2_ChatRoomDlg::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 CExample2_ChatRoomDlg::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; 
		} 
	} 
} 
//可恶,这个dll还有对话框,不会debug只好从头开始了。 
//作者最早用了这个Sound.dll来实现语音传输(程序代码如下),但是居然发现这个 
//dll中老是会弹出一个对话框,十分不爽。所以后来干脆直接从底层写起。 
void CExample2_ChatRoomDlg::OnSound()  
{ 
	// TODO: Add your control notification handler code here 
	if(m_bInit==false) 
	{ 
		AfxMessageBox("Please Prepare the Network"); 
		return; 
	} 
	static BOOL issend=TRUE; 
	CString ip; 
	BYTE f0,f1,f2,f3; 
	((CIPAddressCtrl *)(GetDlgItem(IDC_IPADDRESS)))->GetAddress(f0,f1,f2,f3); 
	ip.Format("%d.%d.%d.%d",f0,f1,f2,f3); 
	int port=GetDlgItemInt(IDC_PORT); 
	typedef long _stdcall SETIP(char *); 
	typedef void _stdcall SETPORT(int); 
	typedef void _stdcall STARTSOUND(); 
	typedef void _stdcall STOPSOUND(); 
	static HINSTANCE  sound=LoadLibrary("../Sound/Sound.dll"); 
	if(issend) 
	{ 
		if(sound!=NULL) 
		{ 
			SETIP *setip=(SETIP*)GetProcAddress(sound,"setIpAddr"); 
			SETPORT *setport=(SETPORT*)GetProcAddress(sound,"setPort"); 
			STARTSOUND *start=(STARTSOUND*)GetProcAddress(sound,"SoundStart"); 
			setport(port); 
			if(setip(ip.GetBuffer(0))) 
			{			 
				start(); 
				SetDlgItemText(IDC_SOUND,"停止语音聊天"); 
				issend=FALSE; 
				ip.ReleaseBuffer(); 
			} 
			else 
			{ 
				AfxMessageBox("Cannot connect to the server"); 
				FreeLibrary(sound); 
				return; 
			} 
		} 
		else 
		{ 
			AfxMessageBox("Error Loading the sound.dll"); 
		} 
	} 
	else 
	{ 
		if(sound!=NULL) 
		{ 
			STOPSOUND *stop= (STOPSOUND*)GetProcAddress(sound,"SoundStop"); 
			stop(); 
			FreeLibrary(sound); 
		} 
		SetDlgItemText(IDC_SOUND,"开始语音聊天"); 
		issend=TRUE; 
	} 
} 
void CExample2_ChatRoomDlg::OnNewsend()  
{ 
	// TODO: Add your control notification handler code here 
	if(m_willchating==TRUE) 
	{ 
		m_sound.Init(this); 
		m_sound.Record(); 
		SetDlgItemText(IDC_NEWSEND,"停止语音聊天"); 
		m_willchating=FALSE; 
	} 
	else 
	{ 
		CSingleLock lock(&m_mutex,TRUE); 
		m_sound.StopRecord(); 
		SetDlgItemText(IDC_NEWSEND,"语音聊天"); 
		m_willchating=TRUE; 
		lock.Unlock(); 
	} 
} 
void CExample2_ChatRoomDlg::WriteBufferFull(LPARAM lp,WPARAM wp) 
{ 
	m_sound.Play();//发出本地声音 
	CSingleLock lock(&m_mutex,TRUE); 
	CMessg msg; 
	msg.m_strText=""; 
	msg.m_tag=1; 
	memcpy(msg.m_buffer,m_sound.m_cBufferIn,MAX_BUFFER_SIZE); 
	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); 
	} 
	m_sound.FreeRecordBuffer(); 
	m_sound.FreePlayBuffer(); 
	lock.Unlock(); 
} 

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