p_cdlg.cpp

此文件用于实现生产者消费者的问题

// P_CDlg.cpp : implementation file
//

#include "stdafx.h"
#include "P_C.h"
#include "P_CDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CP_CDlg dialog

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

void CP_CDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CP_CDlg)
	DDX_Control(pDX, IDC_BUTTON_SLOW, m_btSlow);
	DDX_Text(pDX, IDC_EDIT_BUF_CSM, m_sBufCSM);
	DDX_Text(pDX, IDC_EDIT_BUF_PDC, m_sBuf);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CP_CDlg, CDialog)
	//{{AFX_MSG_MAP(CP_CDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_UPDATE, OnButtonUpdate)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_BUTTON_SLOW, OnButtonSlow)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CP_CDlg message handlers

BOOL CP_CDlg::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);
		}
	}
	//this->m_hWnd 
	// 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
	this->SetTimer(1,50,NULL);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CP_CDlg::OnOK() 
{
	// TODO: Add extra validation here
	this->UpdateData(false);
	this->Start();
//	CDialog::OnOK();
}

void CP_CDlg::OnButtonUpdate() 
{
	// TODO: Add your control notification handler code here
//	this->UpdateData(false);
	this->Updata();
	
}

void CP_CDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	this->UpdateData(false);
	CDialog::OnTimer(nIDEvent);
}

void CP_CDlg::Start()
{
//	this->m_pProducerThread->ResumeThread();	
//	this->m_pConsumerThread->ResumeThread();
		this->Init ();
}

void CP_CDlg::Init()
{
	m_pSemaphoreFull =new CSemaphore(1,1);
	m_pSemaphoreEmpty =new CSemaphore(0,1);
	m_pMutex =new CMutex;
	this->m_bUpdateAuto =false;

	this->m_pProducerThread =new CProducerThread(this);
	this->m_pConsumerThread =new CConsumerThread(this);
	this->m_sBuf.Format("1234567890");
	this->UpdateData(false);
	this->m_pProducerThread->CreateThread(CREATE_SUSPENDED);
	VERIFY(m_pProducerThread->SetThreadPriority(THREAD_PRIORITY_IDLE));	
	this->m_pConsumerThread->CreateThread(CREATE_SUSPENDED);
	VERIFY(m_pConsumerThread->SetThreadPriority(THREAD_PRIORITY_IDLE));	
	this->m_pProducerThread->ResumeThread();	
	this->m_pConsumerThread->ResumeThread();
}

void CP_CDlg::Updata()
{
	this->m_bUpdateAuto=!m_bUpdateAuto;
//	this->m_sBufCSM.Format(" TODO: Add your control notification handler code here TODO: Add your control notification handler code here TODO: Add your control notification handler code here");
	if (this->m_bUpdateAuto)
	{
		this->SetTimer(1,100,NULL);
	}
	else
	{
		this->KillTimer(1);
	}
}

void CP_CDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
/*	if (this->m_pConsumerThread)
		this->m_pConsumerThread->KillSelf();
	if(this->m_pProducerThread)
		this->m_pProducerThread->KillSelf();	
//	delete this->pMutex ;
	//delete pFull;
	this->KillTimer(1);*/
	CDialog::OnCancel();
}

void CP_CDlg::OnButtonSlow() 
{
	// TODO: Add your control notification handler code here
	if(this->m_bSlow)
	{
		this->m_btSlow.SetWindowText("变慢");
		this->m_bSlow=false;
	}
	else
	{
		this->m_btSlow.SetWindowText("变快");		
		this->m_bSlow=true;
	}

}