msgmanagerdlg.cpp

一个采用C/S结构的信息发布接收管理程序

// MsgManagerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MsgManager.h"
#include "MsgManagerDlg.h"
#include "ClientSocket.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()

/////////////////////////////////////////////////////////////////////////////
// CMsgManagerDlg dialog

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

void CMsgManagerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMsgManagerDlg)
	DDX_Text(pDX, IDC_EDIT_MSG, m_strMsg);
	DDV_MaxChars(pDX, m_strMsg, 400);
	DDX_Text(pDX, IDC_STATIC_MSG, m_strSysMsg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMsgManagerDlg, CDialog)
	//{{AFX_MSG_MAP(CMsgManagerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ADD_MSG, OnAddMsg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMsgManagerDlg message handlers

BOOL CMsgManagerDlg::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
	
	m_pSocket=NULL;
	ReadIniFile();

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

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

void CMsgManagerDlg::OnAddMsg() 
{
	CWnd * pWnd  = GetDlgItem(IDC_EDIT_MSG);
	UpdateData(TRUE);

	if ( m_strMsg.IsEmpty())
	{
		MessageBox("请输入信息!","提示");
		return;
	}
	else if ( strlen(m_strMsg) >399)
	{
		MessageBox("请输入信息长度应小于400!","提示");
		return;
	}
	else
	{
		Connect();	
		DisConnect();
		SetDlgItemText(IDC_EDIT_MSG,"");
		pWnd->SetFocus();
	}
}

//-------------------------------------------

CClientSocket* CMsgManagerDlg::ConnectServer()
{
	CClientSocket *pTempSocket=new CClientSocket(this);

	//生成客户端的Socket
	if(!(pTempSocket->Create()))
	{
		delete pTempSocket;
		AfxMessageBox("生成Socket出错");
		return NULL;
	}
	//进行服务器的连接
	if(!pTempSocket->Connect(m_strSerVerIP ,m_nPort))
	{
		delete pTempSocket;
		//AfxMessageBox("和服务器进行连接时出错");
		m_strSysMsg="和服务器进行连接时出错";
		UpdateData(FALSE);

		return NULL;
	}
	return pTempSocket;	
}

void CMsgManagerDlg::Connect() 
{
	if(!m_pSocket)
	{
		m_pSocket=new CClientSocket(this);  
		if(!(m_pSocket=ConnectServer()))
		{
			delete m_pSocket; //虽然此时的m_pSocket是NULL，但仍然可以进行delete操作
			m_pSocket=NULL;
			return;
		}
	}

	CString		strCmdMsg="<SET_MSG>";
	CString		temp	=strCmdMsg+m_strMsg;

	int iSend = m_pSocket->Send(temp,strlen(temp));
	m_strSysMsg.Format("发送了%dByte的数据！",iSend);
	UpdateData(FALSE);

}

void CMsgManagerDlg::DisConnect() 
{
	if(m_pSocket)
	{
		delete m_pSocket;//先要进行销毁对象指针的操作，
		m_pSocket=NULL;//然后使指针为NULL
	}
}
//-------------------------------------------------------

/********************************************************
*   读取初始数据
*   2004/9/20
********************************************************/
void CMsgManagerDlg::ReadIniFile()
{
	char szParameter[1024] = {NULL};
    char *szSection;
    char *szFileName = "ParaSet.ini";
	char szDir[1024];
	char szTemp[1024];

	szSection = "MsgManager";

	GetCurrentDirectory(1024,szDir);
	SetCurrentDirectory( szDir ); 
	wsprintf(szTemp,"%s\\%s",szDir,szFileName);
    szFileName = szTemp;


//服务器IP
	lstrcpy( szParameter, "127.0.0.1" );
	::GetPrivateProfileString( szSection, "ServerIP", "127.0.0.1", szParameter, 1024, szFileName);
	m_strSerVerIP.Format("%s",szParameter);


//显示列表结果的个数
	m_nPort = ::GetPrivateProfileInt(szSection,"Port",5200,szFileName);

}