mymaindlg.cpp

两台PC电脑间数据的通讯,这是主发送端的VC源码

// mymainDlg.cpp : implementation file
//

#include "stdafx.h"
#include "mymain.h"
#include "mymainDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
const UINT	WM_ICON_NOTIFY= WM_USER+10;

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

/////////////////////////////////////////////////////////////////////////////
// CMymainDlg dialog

CMymainDlg::CMymainDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMymainDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMymainDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_message="";
	m_slash[0]='/';
	m_slash[1]='-';
	m_slash[2]='\\';
	m_slash[3]='|';
}
CMymainDlg::~CMymainDlg()
{
	for (int i=0;i<50;i++)
		if (msgsock[i]!=NULL)
			send(msgsock[i],"Disconnected",MAXBUFFERSIZE,0);
}

void CMymainDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMymainDlg)
	DDX_Control(pDX, IDC_LIST1, m_list);
	DDX_Control(pDX, IDC_EDIT1, m_edit);
	DDX_Control(pDX, IDC_BUTTON1, m_button);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMymainDlg, CDialog)
	//{{AFX_MSG_MAP(CMymainDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON_QUIT, OnButtonQuit)
	ON_WM_TIMER()
	ON_COMMAND(ID_MENUSHOW, OnMenushow)
	ON_WM_VKEYTOITEM()
	ON_COMMAND(ID_APP_EXIT, OnAppExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMymainDlg message handlers

BOOL CMymainDlg::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);

	ReadConfig();
	m_number=0;
	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

	GetaAddressTable();
	count=0;
	m_list.InsertColumn(0,"消息");
	m_list.SetColumnWidth(0,435);
	m_edit.SetLimitText(99);
	for (int i=0;i<50;i++)
		msgsock[i]=NULL;

	//设定地址
	serv.sin_addr.s_addr=htonl(INADDR_ANY);
	serv.sin_family=AF_INET;
	serv.sin_port=sin_port;//htons(5000);
	addlen=sizeof(serv);
	m_button.EnableWindow(FALSE);
	//创建socket
	sock=socket(AF_INET,SOCK_STREAM,0);
	//绑定
	if (bind(sock,(sockaddr*)&serv,addlen))
	{
		m_message="绑定错误";
//		m_edit.SetWindowText("绑定错误");
	}else
	{
	//m_list.InsertItem(count++,inet_ntoa(serv.sin_addr));
		m_message="服务器创建成功";
//	m_edit.SetWindowText("服务器创建成功");
	//开始侦听	
	listen(sock,5);
	//调用线程
	AfxBeginThread(&thread,0);

	}
	
		if (!m_TrayIcon.Create(NULL,                            // Parent window
                           WM_ICON_NOTIFY,                  // Icon notify message to use
                           _T("监测数据服务器"),  // tooltip
						   AfxGetApp()->LoadIcon(IDI_OPEN),  // Icon to use
                           IDR_POPUP_MENU))                 // ID of tray icon
		return -1;
	
	m_ReadData.SetOnTrueAddress(TRUE);
	if(!InitializeWinIo())
		SetTimer(3,2000,0);
	else
	{
		m_ReadData.init();
		m_message+=",初始化成功";
	}
	
	m_edit.SetWindowText(m_message);
	m_Timer=this->SetTimer(1,1000,0);
	m_TimerHide=this->SetTimer(2,1000,0);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMymainDlg::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 CMymainDlg::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 CMymainDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
//服务器线程
UINT thread(LPVOID p)
{
	char buff[MAXBUFFERSIZE];
	CSize size;
	size.cx=0;
	size.cy=30;
	int s=1,msgcount,loop=1,flag=0;
	CMymainDlg *dlg=(CMymainDlg*)AfxGetApp()->GetMainWnd();
	//获得客户端数量
	msgcount=dlg->getcount();
	if (msgcount==-1)
		loop=0;
	if(loop)
	{
		s=1;
		dlg->msgsock[msgcount]=accept(dlg->sock,(sockaddr*)&(dlg->serv),&(dlg->addlen));
		if (dlg->msgsock[msgcount]==INVALID_SOCKET)
		{
			dlg->m_edit.SetWindowText("Error accept");
		}
		else
		{
			//启动线程
			AfxBeginThread(thread,0);
			dlg->SetForegroundWindow();
			dlg->m_list.InsertItem(dlg->count++,"连接成功");
			dlg->m_list.InsertItem(dlg->count++,inet_ntoa(dlg->serv.sin_addr));
			dlg->m_list.Scroll(size);
			dlg->m_button.EnableWindow(TRUE);		
			while(s!=SOCKET_ERROR)
			{
				//循环接收数据
				s=recv(dlg->msgsock[msgcount],buff,MAXBUFFERSIZE,0);
				dlg->SetForegroundWindow();
				if (s!=SOCKET_ERROR)
				{
					dlg->m_list.InsertItem(dlg->count++,buff);
					dlg->m_list.Scroll(size);
					dlg->sendtoall(dlg->msgsock[msgcount],buff);
				}
			}

			send(dlg->msgsock[msgcount],"Disconnected",MAXBUFFERSIZE,0);
			dlg->m_list.InsertItem(dlg->count++,"Disconnected");
			dlg->m_list.Scroll(size);
			dlg->msgsock[msgcount]=NULL;
			for (int i=0;i<50;i++)
				if (dlg->msgsock[i]!=NULL)
					flag=1;
			if (flag!=1)
				dlg->m_button.EnableWindow(FALSE);
			closesocket(dlg->msgsock[msgcount]);
		
		}
	}
	//终止线程
	AfxEndThread(0);
	return 0;
}


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

void CMymainDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
		this->ShowWindow(0);
	
//	CDialog::OnCancel();
}

void CMymainDlg::OnButton1() 
{
	//SentCharBuff();
	SentMemoryData();
}

void CMymainDlg::OnButtonQuit() 
{
	// TODO: Add your control notification handler code here
	OnOK();
}

//获得还没有使用的socket数组号
int CMymainDlg::getcount()
{
	for (int i=0;i<50;i++)
	{
		if (msgsock[i]==NULL)
			return i;
	}
	return -1;

}

//向所有客户发送数据
void CMymainDlg::sendtoall(SOCKET s, char *buff)
{
	for (int i=0;i<50;i++)
	{
		if (msgsock[i]!=NULL && msgsock[i]!=s)
			//发送
			send(msgsock[i],buff,MAXBUFFERSIZE,0);
	}
}

void CMymainDlg::GetLonWorkData()
{
	short x;
	long address;
	address=0xD8000;

	x=m_ReadData.GetMemory(address);

}

void CMymainDlg::OnButton2() 
{
	char buff[MAXBUFFERSIZE],*buffer;
	unsigned short x;
	int k;
	long address;
	address=0xD8000;

	buffer=buff;
	sprintf(buffer,"%x",address);
	buffer+=8;
	for(k=0;k<1024;k++)
	{
		x=m_ReadData.GetMemory(address);
		sprintf(buffer+k*2,"%0x",x);
		address+=2;
	}
	buff[6]='\0';
	
}

void CMymainDlg::SentCharBuff()
{
	char buff[MAXBUFFERSIZE];
	char *buffer;

	unsigned short x;
	int k;
	long address;

	buffer=buff;
	sprintf(buffer,"%x",address);
	buffer+=8;
	for(k=0;k<2048;k++)
	{
		x=m_ReadData.GetMemory(address);
		sprintf(buffer+k*4,"%x",x);
		address+=2;
	}

	//循环向所有客户发送信息
	for (int i=0;i<50;i++)
	{
		if (msgsock[i]!=NULL)
		send(msgsock[i],buff,MAXBUFFERSIZE,0);
	}

}

void CMymainDlg::SentMemoryData()
{
	struct VALUE{
		long address;
		unsigned short data[4096];
		int check;
		char c;
		int number;
	}m_data;
	char *buffer;

	unsigned short x;
	int k;
	long address;
	m_data.address=address=0xD8000;

	long m;

	for(k=0;k<RecordMax;k++)
	{
		measure=arrayMaster.GetAt(k); 
		address=measure.ADDRESSFROM;
//		m=(measure.ADDRESSFROM-address)/2;
		m_data.data[k]=m_ReadData.GetMemory(address);
	}

	m_data.number=k;
	m_data.address=0xD8000;
	buffer=(char *)&m_data;
	m_data.check=~sizeof(m_data);
	m_data.c=m_slash[m_number];

	m_number++;
	if(m_number>=4) m_number=0;

//	static kkkk=0;
//	m_data.data[0]=kkkk++;

	//循环向所有客户发送信息
	for (int i=0;i<50;i++)
	{
		if (msgsock[i]!=NULL)
		{
			send(msgsock[i],buffer,sizeof(m_data),0);
			m_edit.SetWindowText("循环向所有客户发送信息");
		}
	}

}


void CMymainDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	
	CDialog::OnTimer(nIDEvent);
	if(nIDEvent==1) 
			SentMemoryData();
	if(nIDEvent==2) 
	{
		this->ShowWindow(0);
		KillTimer(2);
	}
if(nIDEvent==3) 
	{
		if(InitializeWinIo())
		{
			KillTimer(3);
        	m_ReadData.init();
			m_message+=",初始化成功.";
        }		
	}
}

void CMymainDlg::OnMenushow() 
{
	// TODO: Add your command handler code here
		this->ShowWindow(1);
	
}

void CMymainDlg::OnAppExit() 
{
	// TODO: Add your command handler code here
	CDialog::OnCancel();
	
}

void CMymainDlg::GetaAddressTable()
{
	long address=0xd8000;
	short x;

	RecordMax=0;
	int k;

	FILE *fp;
	arrayMaster.RemoveAll();
	fp=fopen("addresstable.rec","rb");

	if(fp==NULL)
	{
		k=KillTimer(1);
		MessageBox("地址表文件不存在!");
		return;
	}
	fread(&RecordMax,1,sizeof(RecordMax),fp);
	for(k=0;k<RecordMax;k++)
	{
		fread(&measure,1,sizeof(measure),fp);
		arrayMaster.Add(measure);
	}
	fclose(fp);

}

void CMymainDlg::ReadConfig()
{
	FILE *fp;
	select=1;
	fp=fopen("comconfig.txt","rt");
	if(fp==NULL) return;
	fscanf(fp,"%d",&select);
	fscanf(fp,"%d",&sin_port);
	fclose(fp);

}