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///////////////////////////////////////////////////////////////////////////// 
//	Author			:	Bala Murali 
//	TcpClientDlg.cpp:	implementation file 
//	Creation Date	:	03/09/2000 
//	Version			:	Initial Release 
///////////////////////////////////////////////////////////////////////////// 
 
 
#include "stdafx.h" 
#include "TcpClient.h" 
#include "TcpClientDlg.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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTcpClientDlg dialog 
 
CTcpClientDlg::CTcpClientDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CTcpClientDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CTcpClientDlg) 
	m_HostName = _T(""); 
	m_Port = 7; 
	m_Message = _T(""); 
	m_ReceivedData = _T(""); 
	m_ReceivedBuffSize = 4096; 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CTcpClientDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CTcpClientDlg) 
	DDX_Text(pDX, IDC_HOSTNAME, m_HostName); 
	DDX_Text(pDX, IDC_PORT, m_Port); 
	DDX_Text(pDX, IDC_MESSAGE, m_Message); 
	DDX_Text(pDX, IDC_RECEIVEDATA, m_ReceivedData); 
	DDX_Text(pDX, IDC_BUFFSIZE, m_ReceivedBuffSize); 
	DDV_MinMaxLong(pDX, m_ReceivedBuffSize, 1, 8192); 
	DDX_Control(pDX, IDC_XSOCKCLIENTCTRL1, m_Client); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CTcpClientDlg, CDialog) 
	//{{AFX_MSG_MAP(CTcpClientDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_CLOSE, OnClose) 
	ON_BN_CLICKED(IDC_CONNECT, OnConnect) 
	ON_EN_KILLFOCUS(IDC_BUFFSIZE, OnKillfocusBuffsize) 
	ON_BN_CLICKED(IDC_SEND, OnSend) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTcpClientDlg message handlers 
 
BOOL CTcpClientDlg::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 
	 
	GetDlgItem(IDC_CONNECT)->EnableWindow(); 
	GetDlgItem(IDC_SEND)->EnableWindow(FALSE); 
	GetDlgItem(IDC_CLOSE)->EnableWindow(FALSE); 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CTcpClientDlg::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 CTcpClientDlg::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 CTcpClientDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
BEGIN_EVENTSINK_MAP(CTcpClientDlg, CDialog) 
    //{{AFX_EVENTSINK_MAP(CTcpClientDlg) 
	ON_EVENT(CTcpClientDlg, IDC_XSOCKCLIENTCTRL1, 5 /* OnReceive */, OnOnReceiveXsockclientctrl1, VTS_BSTR VTS_I4) 
	ON_EVENT(CTcpClientDlg, IDC_XSOCKCLIENTCTRL1, 1 /* OnConnect */, OnOnConnectXsockclientctrl1, VTS_NONE) 
	ON_EVENT(CTcpClientDlg, IDC_XSOCKCLIENTCTRL1, 2 /* OnClose */, OnOnCloseXsockclientctrl1, VTS_NONE) 
	ON_EVENT(CTcpClientDlg, IDC_XSOCKCLIENTCTRL1, 3 /* OnSend */, OnOnSendXsockclientctrl1, VTS_NONE) 
	ON_EVENT(CTcpClientDlg, IDC_XSOCKCLIENTCTRL1, 4 /* OnError */, OnOnErrorXsockclientctrl1, VTS_BSTR) 
	//}}AFX_EVENTSINK_MAP 
END_EVENTSINK_MAP() 
 
void CTcpClientDlg::OnOnReceiveXsockclientctrl1(LPCTSTR Data, long nLen)  
{ 
	UpdateData(TRUE); 
	m_ReceivedData += Data; 
	UpdateData(FALSE); 
} 
 
void CTcpClientDlg::OnOnConnectXsockclientctrl1()  
{ 
	GetDlgItem(IDC_CONNECT)->EnableWindow(FALSE); 
	GetDlgItem(IDC_CLOSE)->EnableWindow(); 
} 
 
void CTcpClientDlg::OnOnCloseXsockclientctrl1()  
{ 
	GetDlgItem(IDC_CONNECT)->EnableWindow(); 
	GetDlgItem(IDC_SEND)->EnableWindow(FALSE); 
	GetDlgItem(IDC_CLOSE)->EnableWindow(FALSE); 
} 
 
void CTcpClientDlg::OnOnSendXsockclientctrl1()  
{ 
	GetDlgItem(IDC_SEND)->EnableWindow();	 
} 
 
void CTcpClientDlg::OnClose()  
{ 
	m_Client.Close(); 
	GetDlgItem(IDC_CONNECT)->EnableWindow(); 
	GetDlgItem(IDC_SEND)->EnableWindow(FALSE); 
	GetDlgItem(IDC_CLOSE)->EnableWindow(FALSE); 
} 
 
void CTcpClientDlg::OnConnect()  
{ 
	UpdateData(TRUE); 
	if ( m_HostName.IsEmpty() ) 
		return; 
 
	m_Client.Connect(m_HostName,m_Port); 
	UpdateData(FALSE); 
} 
 
void CTcpClientDlg::OnKillfocusBuffsize()  
{ 
	m_Client.SetReceiveBufferCount(m_ReceivedBuffSize); 
} 
 
void CTcpClientDlg::OnOnErrorXsockclientctrl1(LPCTSTR lpErrorDescription)  
{ 
	GetDlgItem(IDC_CONNECT)->EnableWindow(); 
	GetDlgItem(IDC_SEND)->EnableWindow(FALSE); 
	GetDlgItem(IDC_CLOSE)->EnableWindow(FALSE); 
} 
 
void CTcpClientDlg::OnSend()  
{ 
	UpdateData(TRUE); 
	int nDataLen = m_Message.GetLength();  
	m_Client.Send(m_Message, nDataLen); 
	UpdateData(TRUE); 
}