wcdlg.cpp

VC中网络编程的客户方程序

// WCDlg.cpp : implementation file
//

#include "stdafx.h"
#include "WC.h"
#include "WCDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CWCDlg dialog

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

void CWCDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWCDlg)
	DDX_Control(pDX, IDC_CHECK1, m_Check1);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWCDlg, CDialog)
	//{{AFX_MSG_MAP(CWCDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	ON_MESSAGE(RE_RECEIVED,OnReceive)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWCDlg message handlers

BOOL CWCDlg::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
	//让用户输入服务器名、端口名和客户名
	memset(&m_Dat,0,sizeof(_DATA));
	while(m_Dat.m_strName[0]=='\0'||strAddr=="")
	{
		m_PortDlg.DoModal();
		strAddr=m_PortDlg.m_Address;
		nPort=m_PortDlg.m_nPort+700;
		strcpy(m_Dat.m_strName,m_PortDlg.m_Name);
		if(strAddr==""||m_Dat.m_strName[0]=='\0')
		{
			AfxMessageBox("服务器地址或客户名称不能为空字符串！");
		}
		//创建套接口
		if(!sockClient.Create())
		{
			AfxMessageBox("Create WC socket failed!");
			PostQuitMessage(0);
		}
		//连接到服务器
		while(!sockClient.Connect(strAddr,nPort))
		{
			if(m_TryDlg.DoModal()!=IDOK)
			{
				::PostQuitMessage(0);
			}
		}
		//初始化控件
		m_Check1.SetCheck(1);
		//向服务器发送客户进入时的信息
		m_Dat.m_bOnline=TRUE;
		memset(m_Dat.m_strAction,0,255);
		strcpy(m_Dat.m_strAction,"Join the session");
		sockClient.Send(&m_Dat,sizeof(m_Dat));
	}
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CWCDlg::OnSend() 
{
	// TODO: Add your control notification handler code here
	CString str;
	//读取用户输入的角度信息
	GetDlgItemText(IDC_EDIT1,str);
	m_Dat.m_dbData=atof(str);
	//初始化需要发送的数据
	m_Dat.m_bOnline=TRUE;
	m_Dat.n_bAngular=m_Check1.GetCheck();
	str="Calculate sin("+str+")";
	memset(m_Dat.m_strAction,0,255);
	strcpy(m_Dat.m_strAction,str);//当前操作
	//将角度和其他信息发送给服务器
	sockClient.Send(&m_Dat,sizeof(m_Dat));
}

LRESULT CWCDlg::OnReceive(WPARAM wParam, LPARAM lParam)
{
	_DATA *dat;
	CString str;
	dat=new _DATA;
	//获取数据
	memcpy(dat,(_DATA *)wParam,sizeof(_DATA));
	if(dat->m_bOnline==TRUE)
	{
		//显示计算结果
		str.Format("%f",dat->m_dbData);
		SetDlgItemText(IDC_RESULT,str);
	}
	else
	{
		//如果服务器已经关闭，则使“计算”按钮无效，禁止计算功能
		AfxMessageBox("服务器已经关闭");
		(CButton *)GetDlgItem(IDC_SEND)->EnableWindow(FALSE);
	}
	delete dat;
	return 1;

}

void CWCDlg::OnOK() 
{
	// TODO: Add extra validation here
	//通知服务器，客户将退出
	m_Dat.m_bOnline=FALSE;
	memset(m_Dat.m_strAction,0,255);
	strcpy(m_Dat.m_strAction,"Leave the session");
	sockClient.Send(&m_Dat,sizeof(m_Dat));
	//关闭套接口
	sockClient.Close();
	CDialog::OnOK();
}