testserverdlg.cpp

该程序为简单的udp协议的软件

// testserverDlg.cpp : implementation file
//

#include "stdafx.h"
#include "testserver.h"
#include "testserverDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CTestserverDlg dialog

CTestserverDlg::CTestserverDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestserverDlg::IDD, pParent),m_pClient(NULL),m_iStarted(0)
{
	//{{AFX_DATA_INIT(CTestserverDlg)
	m_strEditRec = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTestserverDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestserverDlg)
	DDX_Text(pDX, IDC_EDIT_REC, m_strEditRec);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTestserverDlg, CDialog)
	//{{AFX_MSG_MAP(CTestserverDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_LISTEN, OnButtonListen)
	ON_BN_CLICKED(IDC_BUTTON_SEND, OnButtonSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestserverDlg message handlers

BOOL CTestserverDlg::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
	GetDlgItem(IDC_EDIT_PORT)->SetWindowText("8002");
	SetButtonState();
	m_Server.SetMsgWnd(m_hWnd);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CTestserverDlg::OnOK() 
{
	// TODO: Add extra validation here
	
//	CDialog::OnOK();
}

void CTestserverDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	if(m_iStarted)
		OnButtonListen();
	
	CDialog::OnCancel();
}

void CTestserverDlg::OnButtonListen() 
{
	// TODO: Add your control notification handler code here
	if(m_iStarted)
	{
		DelExistClient();
		m_Server.Close();
		m_iStarted=0;
	}
	else
	{
		CString str;
		GetDlgItem(IDC_EDIT_PORT)->GetWindowText(str);
		if(!m_Server.Create(atoi(str),SOCK_STREAM,FD_ACCEPT))
		{
			MessageBox("创建服务器失败");
			return;
		}
		m_Server.Listen();
		m_iStarted=1;
	}
	SetButtonState();
}

LRESULT CTestserverDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) 
{
	// TODO: Add your specialized code here and/or call the base class
	if(message==WM_MSG_ADDCLIENT)//这里只保留最后一个连接
	{
		DelExistClient();
		m_pClient=(CSocketClient*)wParam;
		SetNewConnected();

		return 0;
	}
	else if(message==WM_MSG_REMOVECLIENT)
	{
		DelExistClient();
		SetDisconnect();

		return 0;
	}
	else if(message==WM_MSG_RECDATA)
	{
		AddRecData((char*)wParam);
		return 0;
	}
	
	return CDialog::WindowProc(message, wParam, lParam);
}

void CTestserverDlg::SetNewConnected()
{
	SetButtonState();
}

void CTestserverDlg::SetDisconnect()
{
	SetButtonState();
}

void CTestserverDlg::DelExistClient()
{
	if(m_pClient!=NULL)//删除客户端
	{
		m_pClient->Close();
		delete m_pClient;
		m_pClient=NULL;
	}
}

void CTestserverDlg::SetButtonState()
{
	GetDlgItem(IDC_BUTTON_LISTEN)->SetWindowText(m_iStarted?"停止":"启动服务器");
	GetDlgItem(IDC_BUTTON_DISCONNECT)->ShowWindow(m_pClient!=NULL);
	GetDlgItem(IDC_BUTTON_SEND)->EnableWindow(m_pClient!=NULL);
	
	CString str;
	if(m_pClient!=NULL)
	{
		str.Format("%s 已经连接上",m_pClient->GetAddr());
	}
	GetDlgItem(IDC_STATIC_CONNECTED)->SetWindowText(str);
}

void CTestserverDlg::OnButtonSend() 
{
	// TODO: Add your control notification handler code here
	int len;
	CString str;
	GetDlgItem(IDC_EDIT_SEND)->GetWindowText(str);
	len=str.GetLength();
	int off=0;
	while(off<len)
	{
		int res=m_pClient->Send(((LPCTSTR)str)+off,len-off);
		if(res<=0)
		{
			MessageBox("发送失败");
			break;
		}
		off+=res;
	}
}

void CTestserverDlg::AddRecData(char *pbuf)
{
	UpdateData(TRUE);
	m_strEditRec+=pbuf;
	UpdateData(FALSE);

}