clientsockdlg.cpp

这是一个socket的客户端程序

// ClientSockDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ClientSock.h"
#include "ClientSockDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CClientSockDlg dialog

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

void CClientSockDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientSockDlg)
	DDX_Text(pDX, IDC_EDIT, m_strRecv);
	DDX_Text(pDX, IDC_RECMSG, m_strRecMsg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientSockDlg, CDialog)
	//{{AFX_MSG_MAP(CClientSockDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SETNETWORK, OnSetnetwork)
	ON_BN_CLICKED(IDC_CLOSE, OnClose)
	ON_BN_CLICKED(IDC_RECVFILE, OnRecvfile)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientSockDlg message handlers

BOOL CClientSockDlg::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_bOnline = FALSE;
	m_iPort = 8000;
	SetDlgItemInt(IDC_PORT,m_iPort);
	flaglen =0;
	fileLen = new unsigned char[4];
	RecFileLength = 0;
	m_fileOpen = FALSE;
	TxCount = 0;
	RxCount = 0;

	//socket初始化
	if(AfxSocketInit(NULL)==FALSE)
	{
		AfxMessageBox("Socket Init Error");
		return FALSE;
	}
	//地址初始化
	char name[20];
	gethostname(name,20);
	hostent * host=gethostbyname(name);
	struct in_addr inAddr;
	memmove(&inAddr,host->h_addr_list[0],4);
	m_sIP=inet_ntoa(inAddr);
	((CIPAddressCtrl*)GetDlgItem(IDC_IPADDRESS))->SetAddress(inAddr.S_un.S_un_b.s_b1,inAddr.S_un.S_un_b.s_b2,inAddr.S_un.S_un_b.s_b3,inAddr.S_un.S_un_b.s_b4);

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

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

void CClientSockDlg::OnSetnetwork() 
{
	// TODO: Add your control notification handler code here
	BYTE b[4];
	((CIPAddressCtrl*)GetDlgItem(IDC_IPADDRESS))->GetAddress(b[0],b[1],b[2],b[3]);
	m_sIP.Format("%d.%d.%d.%d",b[0],b[1],b[2],b[3]);
	if(sockClient.Create()==FALSE)
	{
		AfxMessageBox("Socket Create Error");
		return;
	}
	if(sockClient.Connect(m_sIP,GetDlgItemInt(IDC_PORT))==FALSE)
	{
		AfxMessageBox("Socket Connect Error!!");
		sockClient.Close();
		return;
	}
	m_bOnline=TRUE;
	AfxSocketInit(NULL);
	SetWindowText("成功连接到服务器端!");
	
}

void CClientSockDlg::OnRecvfile() 
{
	// TODO: Add your control notification handler code here
		if(m_bOnline == TRUE)
		{
			flag = 0;
			int readsize;
			int count = 0;
			CString strtemp,filename;
			unsigned long filelength;
			char buffer[30];
			char buf[1024*8];
			while(count < 30) 
			{
				readsize = sockClient.Receive(buffer+count,30 - count);//file message
				count += readsize;
			}
			for(int i=0;i<30;i++)
			{
				char bt = *(char*)(buffer+i);
				strtemp.Format("%c",bt);
				if(bt == '\01')
				{
					flag = 1;
					filename += m_strRecv;
				}
				else if(flag == 1)
				{
					if(flaglen < 4)
					{
						fileLen[flaglen] = bt;
						flaglen++;
						if(flaglen ==4)
						{
							RecFileLength =(unsigned long)fileLen[0]
							+ (((unsigned long)fileLen[1])<<8)
							+ (((unsigned long)fileLen[2])<<16)
							+ (((unsigned long)fileLen[3])<<24);
						}
					}		
				}
				m_strRecv += strtemp;
				//filelength = RecFileLength;
				UpdateData(FALSE);
			}
				//write file and save
				filelength = RecFileLength;
				filename = "F:\\" + filename;
				int recesize;
				int recesize2;
				unsigned int counter = 0;
				int counter2 = 0;

	lable:	if(filelength < 1024*8)
				{
					 while(counter < filelength) 
						 {
							 recesize = sockClient.Receive(buf+counter,filelength - count);//file message
							 counter += recesize;
						 }
						 counter = 0;			
					 for(int i=0;i<(int)filelength;i++)
						{
						char bt = *(char*)(buf+i);
						//strtemp.Format("%c",bt);
						if(m_fileOpen == FALSE)
						{
							if(m_file.Open(filename,CFile::modeCreate|CFile::modeReadWrite|CFile::typeBinary) == NULL )
								MessageBox("cannot open file");
							m_fileOpen =TRUE;
							m_file.Write(&bt,1);
							TxCount++;//jindu
							RxCount ++;
							m_strRecMsg.Format("接受到%d个字节,总共%d个字节",RxCount,RecFileLength);
							UpdateData(FALSE);
							if(TxCount == (int)(filelength % (1024*8)))
							{
								m_file.Close();
								m_fileOpen = FALSE;
							}
						}			
						else
						{
							m_file.Write(&bt,1);
							TxCount++;//jin du
							RxCount ++;
							m_strRecMsg.Format("接受到%d个字节,总共%d个字节",RxCount,RecFileLength);
							UpdateData(FALSE);
							if(TxCount == (int)(filelength % (1024*8)))
							{
								m_file.Close();
								m_fileOpen = FALSE;
							}							
						}
					}
				}
			else
				{
				while(counter2 < 1024*8) 
					 {
						 recesize2 = sockClient.Receive(buf+counter2,1024*8 - counter2);//file message
						 counter2 += recesize2;
					 }
					 counter2 = 0;
				//sockClient.Receive(buf,1024*8);
		    		if(m_fileOpen ==FALSE)
					{
			    		if(m_file.Open(filename,CFile::modeCreate|CFile::modeReadWrite|CFile::typeBinary) == NULL )
							 MessageBox("cannot open file me");
			    		m_fileOpen =TRUE;					
			    		m_file.Write(buf,1024*8);//jin du
						RxCount += 1024*8;
						m_strRecMsg.Format("接受到%d个字节,总共%d个字节",RxCount,RecFileLength);
						UpdateData(FALSE);
						filelength -= 1024*8;
			    		goto lable;
					}
		    		else
					{
			    		m_file.Write(buf,1024*8);//jin du
						RxCount += 1024*8;
						m_strRecMsg.Format("接受到%d个字节,总共%d个字节",RxCount,RecFileLength);
						UpdateData(FALSE);
						filelength -= 1024*8;
			    		goto lable;
					}
			}
			}
			else
			{
				AfxMessageBox("没有连接！");
			}
}


void CClientSockDlg::OnClose() 
{
	// TODO: Add your control notification handler code here
	sockClient.Close();
	SetWindowText("连接断开");
	m_strRecv.Empty();
	UpdateData(FALSE);
	m_bOnline = FALSE;


	
}