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   源码介绍

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 #include "stdafx.h"

#include "wsterm.h"
#include "connectd.h"

#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif

// .INI File Section and entries
static const char szSection[] = "ConnectInfo";
static const char szHostName[] = "HostName";
static const char szPort[] = "Port";

/////////////////////////////////////////////////////////////////////////////
// CConnectDialog dialog


CConnectDialog::CConnectDialog(CWnd* pParent /*=NULL*/)
: CDialog(CConnectDialog::IDD, pParent)
{
//{{AFX_DATA_INIT(CConnectDialog)
m_strHostName = "";
m_strPort = "";
//}}AFX_DATA_INIT
}

void CConnectDialog::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CConnectDialog)
DDX_Text(pDX, IDC_HOSTNAME, m_strHostName);
DDX_CBString(pDX, IDC_PORT, m_strPort);
//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CConnectDialog, CDialog)
//{{AFX_MSG_MAP(CConnectDialog)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CConnectDialog message handlers

BOOL CConnectDialog::OnInitDialog()
{
CDialog::OnInitDialog();

// Restore previous selections
m_strHostName = AfxGetApp()->GetProfileString(szSection, 
     szHostName);
m_strPort     = AfxGetApp()->GetProfileString(szSection, 
     szPort);
UpdateData(FALSE);
return TRUE;
}

// Convert m_strPort and
// store in m_nPort in HOST order
void CConnectDialog::OnOK()
{
// Service entry structure
    LPSERVENT pServEntry;

UpdateData(TRUE);

    m_nPort = atoi(m_strPort);
// Is it already a number?
    if (m_nPort == 0)
    {             
    // Use WinSock database routine
    // for service resolution  
    // First, make copy and 
    // convert to lower case
    CString strCopy(m_strPort);
    strCopy.MakeLower();
pServEntry = getservbyname(strCopy, "tcp");
if (pServEntry == NULL)
{
AfxMessageBox("Unknown service name");
return;
}                    
// Port already in network order
// Socket classes assume we will
// use host order, so we convert
m_nPort = ntohs(pServEntry->s_port);
}
// Save entries to .ini for next use
AfxGetApp()->WriteProfileString(szSection, 
    szHostName, 
    m_strHostName);
AfxGetApp()->WriteProfileString(szSection, 
    szPort, 
    m_strPort);
CDialog::OnOK();
}