myclientdlg.cpp

一个简单的客户端程序

// MyClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MyClient.h"
#include "MyClientDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMyClientDlg dialog

CMyClientDlg::CMyClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyClientDlg)
	m_iPort = 6789;
	m_strUserID = _T("");
	m_strUserPwd = _T("");
	m_strName = _T("");
	m_strFile = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyClientDlg)
	DDX_Text(pDX, IDC_EDIT_Port, m_iPort);
	DDX_Text(pDX, IDC_EDIT_UserID, m_strUserID);
	DDX_Text(pDX, IDC_EDIT_UserPWD, m_strUserPwd);
	DDX_Control(pDX, IDC_OCX1, m_Play);
	DDX_Text(pDX, IDC_EDIT_Name, m_strName);
	DDX_Text(pDX, IDC_EDIT_File, m_strFile);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyClientDlg, CDialog)
	//{{AFX_MSG_MAP(CMyClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_Connect, OnBTNConnect)
	ON_BN_CLICKED(IDC_BTN_PlayFile, OnBTNPlayFile)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyClientDlg message handlers

BOOL CMyClientDlg::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
	
	CString strTemp = "10+123";
	strTemp.Find('+');

	// TODO: Add extra initialization here
	GetDlgItem(IDC_ServerIP)->SetWindowText("127.0.0.1");
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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


void CMyClientDlg::OnBTNConnect() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);	
	if (m_socket.m_hSocket != INVALID_SOCKET)
	{
		m_socket.Close();
	}
	m_socket.m_pClientDlg = this;

	CString strServerIP;
	GetDlgItem(IDC_ServerIP)->GetWindowText(strServerIP);

	BOOL bRet = FALSE;
	bRet = m_socket.Create();
	bRet = m_socket.Connect(strServerIP, m_iPort);
	if (!bRet)
	{
		AfxMessageBox("连接服务器失败。");
		return;
	}

	int iUserIDLen = m_strUserID.GetLength();
	int iUserPwdLen = m_strUserPwd.GetLength();
	if ( (iUserIDLen < 1) || (iUserPwdLen < 1) )
	{
		AfxMessageBox("账号或密码不能为空。");
		return;
	}

	BYTE bBuffer[MAX_PATH];
	memset(bBuffer, 0, MAX_PATH);
	BYTE* pBuf = bBuffer;
	memcpy(pBuf, m_strUserID.GetBuffer(iUserIDLen), iUserIDLen);
	pBuf += iUserIDLen + 1;

	memcpy(pBuf, m_strUserPwd.GetBuffer(iUserPwdLen), iUserPwdLen);
	pBuf += iUserPwdLen + 1;

	int iSendLen = m_socket.Send(bBuffer, pBuf - bBuffer);
}

BOOL CMyClientDlg::OnReceive(CClientSocket* pSocket)
{
	int iLen = 0;
	BYTE bBuffer[MAX_PATH];
	memset(bBuffer, 0, MAX_PATH);
	BYTE* pBuf = bBuffer;
	iLen = pSocket->Receive(pBuf, MAX_PATH);

	int iResult = 0;
	iResult = *(int*)pBuf;
	pBuf += sizeof(int);

	m_strName = "";
	m_strFile = "";
	if (iResult == 0)
	{
		AfxMessageBox("账号不存在。");
	}
	else if (iResult == 1)
	{
		AfxMessageBox("密码不正确。");
	}
	else if (iResult == 2)
	{
		m_strName = CString((char*)pBuf);
		pBuf += m_strName.GetLength() + 1;
		
		m_strFile = CString((char*)pBuf);
	}
	UpdateData(FALSE);

	m_Play.SetUrl(m_strFile);
	return TRUE;
}

void CMyClientDlg::OnBTNPlayFile() 
{
	// TODO: Add your control notification handler code here
	CString szFilter = "音频文件(*.wav;*.mp3;*.wma)|*.wav;*.mp3;*.wma|所有文件(*.*)|*.*|";
	CFileDialog fileDlg(TRUE, NULL, NULL,
		OFN_HIDEREADONLY |
		OFN_OVERWRITEPROMPT |
		OFN_FILEMUSTEXIST, szFilter);
	if(fileDlg.DoModal() != IDOK) return;

	m_Play.SetUrl(fileDlg.GetPathName());
}