osdlg.cpp

操作系统课程设计～处理机调度 模拟一种多任务（或多用户）（多道）批处理操作系统（包含处理器管理、存储管理、进程管理。

// osDlg.cpp : implementation file
//

#include "stdafx.h"
#include "os.h"
#include "osDlg.h"
#include "shd.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()

/////////////////////////////////////////////////////////////////////////////
// COsDlg dialog

COsDlg::COsDlg(CWnd* pParent /*=NULL*/)
: CDialog(COsDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(COsDlg)
	m_Pmem = 50;
	m_Pprio = 20;
	m_Ptime = 8;
	m_select = 0;
	m_Pid = 1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void COsDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(COsDlg)
	DDX_Control(pDX, IDC_OVERQ, m_OverQ);
	DDX_Control(pDX, IDC_RESERVEQ, m_ReserveQ);
	DDX_Control(pDX, IDC_READYQ, m_ReadyQ);
	DDX_Text(pDX, IDC_Pmem, m_Pmem);
	DDX_Text(pDX, IDC_Pprio, m_Pprio);
	DDX_Text(pDX, IDC_Ptime, m_Ptime);
	DDX_Radio(pDX, IDC_RADIO1, m_select);
	DDX_Text(pDX, IDC_Pname, m_Pid);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(COsDlg, CDialog)
//{{AFX_MSG_MAP(COsDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_ADD, OnAdd)
ON_BN_CLICKED(IDC_RUN, OnRun)
ON_WM_TIMER()
	ON_BN_CLICKED(IDC_QUIT, OnQuit)
	ON_WM_CLOSE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COsDlg message handlers

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

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

//创建新的进程式
void COsDlg::OnAdd() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);  //刷新数据
	schd.sched_kind=m_select; //默认优先权算法
	CString str;
	Cpcb* p=schd.randpcb();
	p->pid=m_Pid;    //赋值
	p->priority=m_Pprio;
	p->time_slice=m_Ptime;
	p->memory=m_Pmem;
	schd.add_to_reserve(p);
	
	if( m_select==SCHED_PRIO )
	{
		m_ReserveQ.ResetContent();
		Addtolistbox(m_ReserveQ,schd.reserve);
	}
	else
	{
		str.Format("PID:%d P:%d T:%d-%d M:%d ",p->pid,p->priority,p->time_slice,p->time_ran,p->memory);
		m_ReserveQ.AddString(str);  //内容输出
	}
	
	p=schd.randpcb();  
	m_Pid=p->pid;    //赋值
	m_Pprio=p->priority;
	m_Ptime=p->time_slice;
	m_Pmem=p->memory;
	schd.deletepcb(p);  //删除指针
	UpdateData(FALSE);	//刷新数据
}



//列表内容显示
void COsDlg::Addtolistbox(CListBox& lb,CpcbList& pl)
{
	CString str;
	for(Cpcb* p=pl.head;p!=pl.end;p=p->nextp)
	{
		str.Format("PID:%d P:%d T:%d-%d M:%d",p->pid,p->priority,p->time_slice,p->time_ran,p->memory);
		lb.AddString(str); //显示输出
	}
}

void COsDlg::OnRun() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	schd.sched_kind=m_select;
	if (schd.reserve.count<1) //如果还没有添加过任何进程
	{
		AfxMessageBox("请添加进程！");	
	}
	else    
	{
		schd.schedule();
		if (schd.active.count==0)
		{
			if (schd.reserve.head!=schd.reserve.end)
			{
				schd.reserve.remove(schd.reserve.head);
			}
		
			MessageBox("内存不足了，出错！");
			return;
		}
		SetTimer(1,1500,0);    //定时器
		m_ReadyQ.ResetContent();
		Addtolistbox(m_ReadyQ,schd.active);
		m_ReserveQ.ResetContent();
		Addtolistbox(m_ReserveQ,schd.reserve);
		//使按钮变灰
		GetDlgItem(IDC_RUN)->EnableWindow(0);
		UpdateData(0);	
	}
	
}


void COsDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	if( schd.active.count || schd.hang.count )
		schd.in_schedule();
	else
	{
		
		KillTimer(1); //销毁定时器
		GetDlgItem(IDC_RUN)->EnableWindow(1);  
		UpdateAll();     //刷新
		MessageBox("进程调度完毕！");  //提示消息
		return;
	}
	UpdateAll();	
	CDialog::OnTimer(nIDEvent);
}


//更新数据
void COsDlg::UpdateAll()
{
	CString str;
	//更新显示数据
	m_ReserveQ.ResetContent();
	Addtolistbox(m_ReserveQ,schd.reserve);
	m_ReadyQ.ResetContent();
	Addtolistbox(m_ReadyQ,schd.active);
	m_OverQ.ResetContent();
	Addtolistbox(m_OverQ,schd.over);
	int count=m_ReadyQ.GetCount();
	CBrush brush(RGB(255,255,255));//设定颜色值
	CClientDC dc(this);
	dc.SelectObject(&brush);
	dc.Rectangle(20,140,411,194);  //矩形范围

	for (int i=0;i <count;i++)
	{
		m_ReadyQ.GetText(i,str);
		int temp=str.Find(' ');
		str=str.Left(temp);
		str.Delete(0,4);
		temp=atoi(str);
		Cpcb* p=schd.active.findp(temp);
		UpdateProgress(i,p);   
	}
	UpdateData(FALSE);
    
	Cpcb *current;
	if (schd.active.head==schd.active.end)
	{
		return;
	}
	if (schd.sched_kind==SCHED_PRIO)
	{
		current=schd.active.head;
	}
	else
	{
		current=schd.active.end->prep;
	}
		
    if (current->time_ran==current->time_slice)
	{
		Cpcb* p=schd.active.pop_front();	
		schd.add_to_over(p);
		schd.schedule();
	}
	
}

//更新进程数据
void COsDlg::UpdateProgress(int i,Cpcb* p)
{
	CString str;
	int percent=int((float)p->time_ran/p->time_slice*100);
	str.Format("进程%d %3d%%",p->pid,percent);
	CClientDC dc(this);

	SetBkMode(dc,TRANSPARENT); 
	//定义画刷及颜色
	CBrush brush0(RGB(0, 0, 255)); 
	CBrush brush1(RGB(255,100,100));
	CBrush brush2(RGB(100,255,100));
	CBrush brush3(RGB(100,100,255));
	CBrush brush4(RGB(255,0,100));
	CBrush brush5(RGB(255,100,0));
	CBrush brush6(RGB(100,255,0));
	CBrush* pOldBrush = dc.SelectObject(&brush0);
	//矩形范围
	dc.Rectangle(20,140,52,194);
	dc.TextOut(23,147,"Sys");
	dc.TextOut(23,167,"64K");

	CString strName;
	strName.Format("P%d",p->pid);//格式化字符串
	CString strMem;
	strMem.Format("%dK",p->memory);//格式化字符串
	
// 	percent=int((float)schd.current->time_ran/schd.current->time_slice*100);
// 	percentStr.Format("%3d%%",percent);
    switch (i)
	{
	case 0:
		dc.SelectObject(&brush1);
		dc.Rectangle(20+p->mm_begin/2,140,20+(p->mm_begin+p->memory)/2,194);
	
		//输出文字
		dc.TextOut(23+p->mm_begin/2,147,strName);
    	dc.TextOut(23+p->mm_begin/2,167,strMem);

		break;	
	case 1:	
		dc.SelectObject(&brush2);
		dc.Rectangle(20+p->mm_begin/2,140,20+(p->mm_begin+p->memory)/2,194);
        //输出文字
		dc.TextOut(23+p->mm_begin/2,147,strName);
    	dc.TextOut(23+p->mm_begin/2,167,strMem);

		break;
		
	case 2:
		dc.SelectObject(&brush3);
		dc.Rectangle(20+p->mm_begin/2,140,20+(p->mm_begin+p->memory)/2,194);
	
		dc.TextOut(23+p->mm_begin/2,147,strName);
    	dc.TextOut(23+p->mm_begin/2,167,strMem);


		break;
		
	case 3:
		dc.SelectObject(&brush4);
		dc.Rectangle(20+p->mm_begin/2,140,20+(p->mm_begin+p->memory)/2,194);
	

		dc.TextOut(23+p->mm_begin/2,147,strName);
    	dc.TextOut(23+p->mm_begin/2,167,strMem);


		break;
		
	case 4:
		dc.SelectObject(&brush5);
		dc.Rectangle(20+p->mm_begin/2,140,20+(p->mm_begin+p->memory)/2,194);
	
		dc.TextOut(23+p->mm_begin/2,147,strName);
    	dc.TextOut(23+p->mm_begin/2,167,strMem);

		break;	
	case 5:
		dc.SelectObject(&brush6);
		dc.Rectangle(20+p->mm_begin/2,140,20+(p->mm_begin+p->memory)/2,194);
	
		dc.TextOut(23+p->mm_begin/2,147,strName);
    	dc.TextOut(23+p->mm_begin/2,167,strMem);

			break;
	default:
		MessageBox("进度条设置出错！");
		break;
	}
}
//程序退出
void COsDlg::OnQuit() 
{
	// TODO: Add your control notification handler code here
	exit(EXIT_SUCCESS);
	//	OnCancel();	
}
void COsDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	exit(EXIT_SUCCESS);
	CDialog::OnClose();
}