myserverdlg.cpp

能够启动侦听

// MyServerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MyServer.h"
#include "MyServerDlg.h"
#include "AddUserDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMyServerDlg dialog

CMyServerDlg::CMyServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyServerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyServerDlg)
	m_iPort = 6789;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyServerDlg)
	DDX_Control(pDX, IDC_LIST_User, m_listUser);
	DDX_Control(pDX, IDC_CMB_IP, m_cmbIP);
	DDX_Text(pDX, IDC_EDIT_Port, m_iPort);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyServerDlg, CDialog)
	//{{AFX_MSG_MAP(CMyServerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_Start, OnBTNStart)
	ON_BN_CLICKED(IDC_BTN_AddUser, OnBTNAddUser)
	ON_BN_CLICKED(IDC_BTN_DelUser, OnBTNDelUser)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyServerDlg message handlers

BOOL CMyServerDlg::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

	// 连接数据库
	try
	{
		CString  sDSN="DRIVER=Microsoft Access Driver (*.mdb);SRVR='';DBQ=test.mdb;UID=sa;PWD= ";
		m_Database.OpenEx(sDSN,CDatabase::noOdbcDialog);	
		m_Recordset.m_pDatabase=&m_Database;		
	}
	catch(CDBException* pEx)
	{
		pEx->Delete();
		pEx = NULL;
		AfxMessageBox(" 系统无法启动，找不到数据库文件!");
	}

	// 初始化列表控件
	int i = 0;
	m_listUser.InsertColumn(i++, "账号", LVCFMT_LEFT, 50);
	m_listUser.InsertColumn(i++, "密码", LVCFMT_LEFT, 50);
	m_listUser.InsertColumn(i++, "姓名", LVCFMT_LEFT, 50);
	m_listUser.InsertColumn(i++, "多媒体信息", LVCFMT_LEFT, 300);
	m_listUser.SetExtendedStyle( LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);

	QueryUserList();

	// 获取本机IP
	char szHostName[MAX_PATH]="\0";	
	if( gethostname(szHostName, MAX_PATH) == 0 )
	{
		struct hostent* pHost;
		int i = 0; 	
		pHost = gethostbyname(szHostName); 
		for( i = 0; pHost!= NULL && pHost->h_addr_list[i]!= NULL; i++ ) 	
		{ 		
			 LPCSTR psz = inet_ntoa(*(struct in_addr*)pHost->h_addr_list[i]);
			 m_cmbIP.AddString(psz);
		}
		m_cmbIP.SetCurSel(0);
	}

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMyServerDlg::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 CMyServerDlg::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 CMyServerDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


BOOL CMyServerDlg::OnAccept()
{	
	if (m_recvSocket.m_hSocket != INVALID_SOCKET)
	{
		m_recvSocket.Close();
	}
	m_recvSocket.m_pServerDlg = this;

	BOOL bRet = FALSE;
	bRet = m_listenSocket.Accept(m_recvSocket);

	CString strIP; 
	UINT port = 0;
	m_recvSocket.GetPeerName(strIP, port);

	return bRet;
}

BOOL CMyServerDlg::OnReceive()
{
	BYTE bBuffer[MAX_PATH];
	memset(bBuffer, 0, MAX_PATH);
	BYTE* pBuf = bBuffer;
	
	int iLen = m_recvSocket.Receive(bBuffer, MAX_PATH);   //接收数据
	CString strUserID = CString((char*)pBuf);		//分离出UserID和strUserPwd
	pBuf += strUserID.GetLength() + 1;
	CString strUserPwd = CString((char*)pBuf);

	// 查询数据库
	pBuf = bBuffer;
	int& iResult = *(int*)pBuf;
	pBuf += sizeof(int);

	CString strTemp;
	CString strSQL;
	strSQL.Format("Select * From User Where UserID = '%s' ", strUserID);
	BOOL bRet = m_Recordset.Open(CRecordset::forwardOnly, strSQL, CRecordset::readOnly);
	if ( bRet && ( !m_Recordset.IsEOF() ) )
	{
		m_Recordset.GetFieldValue("UserPwd",strTemp);
		if (strTemp == strUserPwd)
		{
			iResult = 2;

			m_Recordset.GetFieldValue("UserName", strTemp);
			iLen = strTemp.GetLength();
			memcpy(pBuf, strTemp.GetBuffer(iLen), iLen);
			pBuf += iLen + 1;

			m_Recordset.GetFieldValue("FileUrl", strTemp);
			iLen = strTemp.GetLength();
			memcpy(pBuf, strTemp.GetBuffer(iLen), iLen);
			pBuf += iLen + 1;

		}
		else
		{
			iResult = 1;
		}
	}
	else
	{
		iResult = 0;
	}
	m_Recordset.Close();

	m_recvSocket.Send(bBuffer, pBuf - bBuffer);	

	return TRUE;
}

void CMyServerDlg::OnBTNStart() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_listenSocket.m_pServerDlg = this;

	BOOL bRet = FALSE;
	bRet = m_listenSocket.Create(m_iPort);
	if (!bRet)
	{
		AfxMessageBox("创建网络端口失败。");
		return;
	}

	bRet = m_listenSocket.Listen();
	if (!bRet)
	{
		AfxMessageBox("侦听失败。");
		return;
	}
	GetDlgItem(IDC_BTN_Start)->EnableWindow(FALSE);  //设置按纽不可用

	QueryUserList();
}



BOOL CMyServerDlg::QueryUserList()
{
	// 先删除列表控件中以前的数据
	m_listUser.DeleteAllItems();

	// 向列表控件中增加数据
	CString strTemp;
	CString strSQL = "Select * from User order by UserID";	
	m_Recordset.Open(CRecordset::forwardOnly, strSQL, CRecordset::readOnly);	
	int i = 0;	
	while( !m_Recordset.IsEOF() )
	{	
		m_listUser.InsertItem(i, "");
		
		m_Recordset.GetFieldValue("UserID", strTemp);
		m_listUser.SetItemText(i, 0, strTemp);
		
		m_Recordset.GetFieldValue("UserPwd", strTemp);
		m_listUser.SetItemText(i, 1, strTemp);
		
		m_Recordset.GetFieldValue("UserName", strTemp);
		m_listUser.SetItemText(i, 2, strTemp);
		
		m_Recordset.GetFieldValue("FileUrl", strTemp);
		m_listUser.SetItemText(i, 3, strTemp);
		
		m_Recordset.MoveNext();	
		i++;
	}
	m_Recordset.Close();

	return TRUE;
}

void CMyServerDlg::OnBTNAddUser() 
{
	// TODO: Add your control notification handler code here
	CAddUserDlg dlg;
	if (dlg.DoModal() != IDOK)
	{
		return;
	}

	CString strSQL;
	strSQL.Format("Insert Into User Values('%s', '%s', '%s', '%s')",
		dlg.m_strUserID, dlg.m_strUserPwd, dlg.m_strUserName, dlg.m_strFileUrl);
	try
	{
		m_Database.ExecuteSQL(strSQL);
	}
	catch(CDBException* pEx)
	{
		AfxMessageBox(pEx->m_strError);
		pEx->Delete();
		pEx = NULL;	
	}
	QueryUserList();
}

void CMyServerDlg::OnBTNDelUser() 
{
	// TODO: Add your control notification handler code here	
	POSITION pos = m_listUser.GetFirstSelectedItemPosition();
	if (pos == NULL)
	{
		AfxMessageBox("请先选择要删除的账号。");
		return;
	}
	int iSel = m_listUser.GetNextSelectedItem(pos);
	CString strUserID = m_listUser.GetItemText(iSel, 0);
	CString strSQL;
	strSQL.Format("Delete From User Where UserID = '%s' ", strUserID);
	try
	{
		m_Database.ExecuteSQL(strSQL);
	}
	catch(CDBException* pEx)
	{
		AfxMessageBox(pEx->m_strError);
		pEx->Delete();
		pEx = NULL;	
	}
	
	QueryUserList();
}