mysocketdlg.cpp

本压缩软件为《Visual C++6.0基础教程》（黑魔方系列）一书的源代码

// MySocketDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MySocket.h"
#include "MySocketDlg.h"

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

extern CMySocketApp theApp;
void CALLBACK Listen(SOCKET s, int ServerPort, const char *ClientIP);

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CMySocketDlg dialog

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

void CMySocketDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMySocketDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMySocketDlg, CDialog)
	//{{AFX_MSG_MAP(CMySocketDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_START, OnStart)
	ON_BN_CLICKED(IDC_STOP, OnStop)
	ON_BN_CLICKED(IDC_CONNECT, OnConnect)
	ON_BN_CLICKED(IDC_DISCONNECT, OnDisconnect)
	ON_BN_CLICKED(IDC_SEND, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMySocketDlg message handlers

BOOL CMySocketDlg::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_SERVERPORT)->SetWindowText("1234");
	GetDlgItem(IDC_CONNIP)->SetWindowText("127.0.0.1");
	GetDlgItem(IDC_CONNPORT)->SetWindowText("1234");
	GetDlgItem(IDC_SENDDATA)->SetWindowText("Hello!");

	GetDlgItem(IDC_START)->EnableWindow(!m_bServer);
	GetDlgItem(IDC_STOP)->EnableWindow(m_bServer);

	GetDlgItem(IDC_CONNECT)->EnableWindow(!m_bConnected);
	GetDlgItem(IDC_DISCONNECT)->EnableWindow(m_bConnected);	
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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



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

void CMySocketDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	//CDialog::OnCancel();
}

void CMySocketDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	
	CDialog::OnCancel();
}

void CMySocketDlg::OnStart()
{
	AfxGetApp()->BeginWaitCursor();

	CString strtmp;
	int nPort;
	GetDlgItem(IDC_SERVERPORT)->GetWindowText(strtmp);
	sscanf(strtmp, "%d", &nPort);

	if(m_wskServer.CreateServer(nPort, SOMAXCONN))
	{
		m_bServer = m_wskServer.StartServer(Listen);
	}

	if(!m_bServer)
	{
		CString info;
		info.Format("启动服务失败：%d", m_wskServer.err);
		AfxMessageBox(info);
	}

	GetDlgItem(IDC_START)->EnableWindow(!m_bServer);
	GetDlgItem(IDC_STOP)->EnableWindow(m_bServer);
}

void CMySocketDlg::OnStop() 
{
	AfxGetApp()->BeginWaitCursor();

	m_bServer = !m_wskServer.StopServer();

	if(m_bServer)
	{
		CString info;
		info.Format("停止服务失败：%d", m_wskServer.err);
		AfxMessageBox(info);
	}

	GetDlgItem(IDC_START)->EnableWindow(!m_bServer);
	GetDlgItem(IDC_STOP)->EnableWindow(m_bServer);
}

void CALLBACK Listen(SOCKET s, int ServerPort, const char *ClientIP)
{
	CString info;
	CString strtmp;
	strtmp.Format("连接上%s:%d socket=0x%X\r\n", ClientIP, ServerPort, s);
	theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)->GetWindowText(info);
	info += strtmp;
	theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)->SetWindowText(info);
	((CEdit*)(theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)))->LineScroll(999999);
	int nRet;
	char buf[256];
	CWSocket wsk;
	wsk = s;
	while(1)
	{
		info.Empty();
		nRet = wsk.ReadData(buf, 250, 60);
		if(nRet > 0)
		{
			buf[nRet] = 0;
			TRACE("recv: %s\n", buf);
			strtmp.Format("s%X recv: %.255s\r\n", s, buf);
			info += strtmp;
		}
		else
		{
			TRACE("recv error: %d\n", nRet);
			strtmp.Format("s%X recv error: %d\r\n", s, nRet);
			info += strtmp;
			break;
		}
		strtmp.Format("%.250s", buf);
		strtmp.Insert(0, "Re:");
		nRet = strtmp.GetLength();
		memcpy(buf, strtmp, nRet);

		Sleep(50);
		nRet = wsk.SendData(buf, nRet, 60);		
		if(nRet > 0)
		{
			buf[nRet] = 0;
			TRACE("send: %s\n", buf);
			strtmp.Format("s%X send: %.255s\r\n", s, buf);
			info += strtmp;
		}
		else
		{
			TRACE("send error: %d\n", nRet);
			strtmp.Format("s%X send error: %d\r\n", s, nRet);
			info += strtmp;
			break;
		}
		theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)->GetWindowText(strtmp);
		info = strtmp + info;
		theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)->SetWindowText(info);
		((CEdit*)(theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)))->LineScroll(999999);
	}
	wsk.Close();
	strtmp.Format("断开%s:%d socket=0x%X\r\n", ClientIP, ServerPort, s);
	theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)->GetWindowText(info);
	info += strtmp;
	theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)->SetWindowText(info);
	((CEdit*)(theApp.m_pMainWnd->GetDlgItem(IDC_SERVERDATA)))->LineScroll(999999);
}

void CMySocketDlg::OnConnect() 
{
	AfxGetApp()->BeginWaitCursor();

	CString host;
	CString strtmp;
	int nPort;
	GetDlgItem(IDC_CONNIP)->GetWindowText(host);
	GetDlgItem(IDC_CONNPORT)->GetWindowText(strtmp);
	sscanf(strtmp, "%d", &nPort);
	m_bConnected = m_wskClient.Connection(host, nPort);
	if(!m_bConnected)
	{
		CString info;
		info.Format("连接失败：%d", m_wskClient.err);
		AfxMessageBox(info);
	}
	GetDlgItem(IDC_CONNECT)->EnableWindow(!m_bConnected);
	GetDlgItem(IDC_DISCONNECT)->EnableWindow(m_bConnected);
}

void CMySocketDlg::OnDisconnect() 
{
	AfxGetApp()->BeginWaitCursor();
	m_wskClient.Close();
	m_bConnected = FALSE;
	GetDlgItem(IDC_CONNECT)->EnableWindow(!m_bConnected);
	GetDlgItem(IDC_DISCONNECT)->EnableWindow(m_bConnected);
}
void CMySocketDlg::OnSend() 
{
	AfxGetApp()->BeginWaitCursor();

	CString info;
	CString strtmp;
	GetDlgItem(IDC_SENDDATA)->GetWindowText(strtmp);
	int nRet = m_wskClient.SendData(strtmp, strtmp.GetLength(), 3);
	if(nRet <= 0)
	{		
		info.Format("发送失败：%d", m_wskClient.err);
		AfxMessageBox(info);
	}
	else
	{
		TRACE("Begin Read\n");
		char buf[256];
		int nRet = m_wskClient.ReadData(buf, 255, 3);
		if(nRet > 0)
		{
			buf[nRet] = 0;
			info.Format("%.255s\r\n", buf);
			GetDlgItem(IDC_RECVDATA)->SetWindowText(info);
		}
	}
}