wapisdlg.cpp

来自「VC++高级编程技巧与示例」· C++ 代码 · 共 284 行

// WAPISDlg.cpp : implementation file
//

#include "stdafx.h"
#include "WAPIS.h"
#include "WAPISDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

#include "math.h"

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()

/////////////////////////////////////////////////////////////////////////////
// CWAPISDlg dialog

CWAPISDlg::CWAPISDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWAPISDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWAPISDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CWAPISDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWAPISDlg)
	DDX_Control(pDX, IDC_LIST1, m_List1);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWAPISDlg, CDialog)
	//{{AFX_MSG_MAP(CWAPISDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWAPISDlg message handlers

BOOL CWAPISDlg::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
	m_PortDlg.DoModal();
	m_Port=m_PortDlg.m_Port;
	try
	{
		//创建套接口：
		m_Sock.Create(m_Port);
		//捆绑：
		m_Sock.Bind();
		//侦听套接口：
		m_Sock.Listen();
		//开始并发网络数据传输：
		AfxBeginThread(SrvrThread,(LPVOID)this);
	}
	catch(CMTSocketException * e)
	{
		AfxMessageBox(e->GetErrorMsg());
		delete e;
		::PostQuitMessage(0);
		return FALSE;
	}
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CWAPISDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	if(m_Sock.GetSocket()==NULL)
	{
		return;
	}
	try
	{
		m_Sock.Close();
	}
	catch(CMTSocketException * e)
	{
		AfxMessageBox(e->GetErrorMsg());
		delete e;
		return;
	}
}

//并发处理的服务器线程：
UINT SrvrThread(LPVOID pParam)
{
	CWAPISDlg * pDlg;
	SOCKET rwsock;//用于读写的套接口；
	CString info; //用于显示客户机状态；

	try
	{
		pDlg=(CWAPISDlg *) pParam;
		rwsock=pDlg->m_Sock.Accept();//阻塞；
		AfxBeginThread(SrvrThread,pParam);

		//读入客户接入时发送的信息：
		//1. 将数据缓冲区清零：
		memset(&pDlg->m_data,0,sizeof(pDlg->m_data));
		//2. 读入客户输入：
		pDlg->m_Sock.Receive(rwsock,(char * )&pDlg->m_data,sizeof(_DATA));//读取客户机信息；
		//3. 显示客户机信息：
		info=pDlg->m_data.m_strName;
		info=info+": "+pDlg->m_data.m_strAction;
		pDlg->m_List1.InsertString(-1,info);

		//不停地读写数据进行计算：
		while(1)
		{
			//将数据缓冲区清零：
			memset(&pDlg->m_data,0,sizeof(pDlg->m_data));
			//读入客户输入：
			pDlg->m_Sock.Receive(rwsock,(char * )&pDlg->m_data,sizeof(_DATA));//读取客户机信息；
			//显示客户机信息：
			info=pDlg->m_data.m_strName;
			info=info+": "+pDlg->m_data.m_strAction;
			pDlg->m_List1.InsertString(-1,info);
			//如果客户在线：
			if(pDlg->m_data.m_bOnline)
			{
				//开始计算：
				if(pDlg->m_data.m_bAngular)
				{
					double agl;
					agl=pDlg->m_data.m_dbData/57.1;
					pDlg->m_data.m_dbData=sin(agl);//计算结果；
				}
				else
				{
					pDlg->m_data.m_dbData=sin(pDlg->m_data.m_dbData);//计算结果；
				}
				//向客户发送信息：
				pDlg->m_data.m_bOnline=TRUE;
				pDlg->m_Sock.Send(rwsock,(char * )&pDlg->m_data,sizeof(_DATA));//将计算结果发送出去；
			}
			//如果客户退出：
			else
			{
				//关闭套接口：
				pDlg->m_Sock.Close(rwsock);
				return 1;
			}
		}
	}
	catch(CMTSocketException * e)
	{
		AfxMessageBox(e->GetErrorMsg());
		delete e;
		return 0;
	}
	return 1;
}