serverdlg.cpp

通过C++编写代码实现socket和com的通信

// ServerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Server.h"
#include "ServerDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
//CRITICAL_SECTION g_cs;

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()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg dialog

HANDLE hMutex;
SOCKET CServerDlg::sockconn[4] = {INVALID_SOCKET , INVALID_SOCKET , INVALID_SOCKET , INVALID_SOCKET};
SOCKET CServerDlg::sockcon = INVALID_SOCKET;
CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CServerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CServerDlg)
	m_client1 = 0;
	m_client2 = 0;
	m_client3 = 0;
	m_client4 = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	m_nAlarm = 0;
	//m_strCommand = "";
}

void CServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CServerDlg)
	DDX_Text(pDX, IDC_CLIENT1, m_client1);
	DDX_Text(pDX, IDC_CLIENT2, m_client2);
	DDX_Text(pDX, IDC_CLIENT3, m_client3);
	DDX_Text(pDX, IDC_CLIENT4, m_client4);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CServerDlg, CDialog)
	//{{AFX_MSG_MAP(CServerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_SET, OnSet)
	ON_MESSAGE(ON_COM_RECEIVE, OnComRecv)
	ON_BN_CLICKED(IDC_TEST, OnTest)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_SETCLIENT,SetClient)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg message handlers
//CString CServerDlg::strCommand = "hello"; 
BOOL CServerDlg::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
	//InitializeCriticalSection(&g_cs);
	fileini.iniopen("setclient.ini",8);
	if(fileini.iniread("CLIENTA") != NULL)
	{
		m_client1 = atoi(fileini.iniread("CLIENTA"));
		m_client2 = atoi(fileini.iniread("CLIENTB"));
		m_client3 = atoi(fileini.iniread("CLIENTC"));
		m_client4 = atoi(fileini.iniread("CLIENTD"));
		UpdateData(FALSE);
	}
	//if(fileini.iniread(""))

	InitSocket();
	if(!m_comAlarm.Open(1, 9600))
	{
		AfxMessageBox("port 1 cannot open~");//默认9600
		//exit(0);
	}
	m_comAlarm.SetWnd(m_hWnd);
	
	RECVPARAM* pRecvParam1 = new RECVPARAM;
	pRecvParam1->sock=m_socket;
	pRecvParam1->hwnd=m_hWnd;

	hMutex = CreateMutex(NULL,FALSE,NULL);
	
	HANDLE hThread1 = CreateThread(NULL,0,RecvProc,(LPVOID)pRecvParam1,0,NULL);
	CloseHandle(hThread1);

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

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

LRESULT CServerDlg::OnComRecv(WPARAM wParam, LPARAM lParam)
{
	if(wParam == 1)
	{
		
		CString strAlarm = "00[080~/";
		//m_comAlarm.ReadString(strAlarm.GetBuffer(strAlarm.GetLength()),1024);
		m_commands = m_commands + strAlarm;
		int npos = strAlarm.Find("[",0);
		strAlarm = strAlarm.Mid((npos+1),3);
		
		
		if(npos > 0)
		{
			char *strbuf = NULL;
//			char clientbuf[100];
			m_commands.Format("%s",strAlarm.Right(strAlarm.GetLength()-8)); //	00[002~/
			strbuf = strAlarm.GetBuffer(strAlarm.GetLength());
			int conn = atoi(strbuf);
			if(conn < m_client1)
			{
				if(SOCKET_ERROR == ::send(sockconn[0],strbuf,strlen(strbuf)+1,0))
				{
					MessageBox("client error!");
					return -1;
				}
			}
			else if(conn < m_client2)
			{
				if(SOCKET_ERROR == ::send(sockconn[1],strbuf,strlen(strbuf)+1,0))
				{
					MessageBox("client error!");
					return -1;
				}
			}
			else if(conn < m_client3)
			{
				if(SOCKET_ERROR == ::send(sockconn[2],strbuf,strlen(strbuf)+1,0))
				{
					MessageBox("client error!");
					return -1;
				}
			}
			else if(conn < m_client4)
			{
				if(SOCKET_ERROR == ::send(sockconn[3],strbuf,strlen(strbuf)+1,0))
				{
					MessageBox("client error!");
					return -1;
				}
			}
			else
			{
				MessageBox("can't to send!");
				return -1;
			}
		}
	}
	return 0;
}

BOOL CServerDlg::InitSocket()
{
	m_socket=socket(AF_INET,SOCK_STREAM,0);
	if(INVALID_SOCKET==m_socket)
	{
		MessageBox("套接字创建失败！");
		return FALSE;
	}
	SOCKADDR_IN addrSock;
	addrSock.sin_family=AF_INET;
	addrSock.sin_port=htons(8888);
	addrSock.sin_addr.S_un.S_addr=htonl(INADDR_ANY);
	
	int retval;
	retval=bind(m_socket,(SOCKADDR*)&addrSock,sizeof(SOCKADDR));
	if(SOCKET_ERROR==retval)
	{
		closesocket(m_socket);
		MessageBox("绑定失败!");
		return FALSE;
	}

	return TRUE;
}


DWORD WINAPI CServerDlg::RecvProc(LPVOID lpParameter)
{
	SOCKET sock = ((RECVPARAM*)lpParameter)->sock;
	HWND hwnd = ((RECVPARAM*)lpParameter)->hwnd;
	delete lpParameter;
	
	SOCKADDR_IN addrClient;
	int len=sizeof(SOCKADDR);
//	CString strCommand = ""; 
	int nconn = 0;
	char tempbuf[60];
	while(true)
	{
		WaitForSingleObject(hMutex,INFINITE);
		listen(sock,5);
		
		sockcon = accept(sock,(SOCKADDR*)&addrClient,&len);
		
		if(INVALID_SOCKET == sockcon)
		{
			//closesocket(sockcon);
			continue;
		}
//		send(sockconn[nconn],"?",2,0);
		sprintf(tempbuf,"%s",inet_ntoa(addrClient.sin_addr));
		::SendMessage(hwnd,WM_SETCLIENT,(WPARAM)nconn,(LPARAM)(tempbuf));
		
		if(nconn == 3)
		{
			nconn = 0;
			//closesocket(sockconn[nconn]);
			continue;
		}
		nconn++;
//		::PostMessage(hwnd,WM_PAINT,0,0);
		ReleaseMutex(hMutex);
	}
	return 0;
}

//DEL DWORD WINAPI CServerDlg::RecvIPProc(LPVOID lpParameter)
//DEL {
//DEL 	SOCKET sock = ((RECVPARAM*)lpParameter)->sock;
//DEL 	HWND hwnd = ((RECVPARAM*)lpParameter)->hwnd;
//DEL 	delete lpParameter;
//DEL 	
//DEL 	int retval;
//DEL 	char tempbuf[100];
//DEL 	while(true)
//DEL 	{
//DEL 		WaitForSingleObject(hMutex,INFINITE);
//DEL 
//DEL 		retval = recv(sock,tempbuf,100,0);
//DEL 		if(retval == SOCKET_ERROR)
//DEL 		{
//DEL 			ReleaseMutex(hMutex);
//DEL 			continue;
//DEL 		}
//DEL 		if(tempbuf[0]=='!')
//DEL 		{
//DEL 			CString strtemp = tempbuf;
//DEL 			strtemp = strtemp.Right(strtemp.GetLength()-1);
//DEL 		}
//DEL 
//DEL 		ReleaseMutex(hMutex);
//DEL 	}
//DEL 	return 0;
//DEL }

void CServerDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	for(int i = 0; i < 4; i++)
	{
		if(sockconn[i] == INVALID_SOCKET)
			continue;
		send(CServerDlg::sockconn[i],"$",strlen("$")+1,0);
	}
	if(m_socket)
		closesocket(m_socket);
	if(sockcon)
		closesocket(sockcon);
	for(i = 0;i < 4;i++)
	{
		closesocket(CServerDlg::sockconn[i]);
	}
	/*
	if(fileini.iniread("0") != NULL)
		fileini.inimodify("0","NULL");
	if(fileini.iniread("1") != NULL)
		fileini.inimodify("1","NULL");
	if(fileini.iniread("2") != NULL)
		fileini.inimodify("2","NULL");
	if(fileini.iniread("3") != NULL)
		fileini.inimodify("3","NULL");
	*/
	CDialog::OnClose();
}

void CServerDlg::OnSet() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	
	char strbuf[10];
	if(fileini.iniread("CLIENTA") == NULL)
	{
		//fileini.iniopen("setclient.ini",8);
		itoa(m_client1,strbuf,10);
		fileini.iniwrite("CLIENTA",strbuf);
		itoa(m_client2,strbuf,10);
		fileini.iniwrite("CLIENTB",strbuf);
		itoa(m_client3,strbuf,10);
		fileini.iniwrite("CLIENTC",strbuf);
		itoa(m_client4,strbuf,10);
		fileini.iniwrite("CLIENTD",strbuf);
		
	}
	else
	{
		itoa(m_client1,strbuf,10);
		fileini.inimodify("CLIENTA",strbuf);
		itoa(m_client2,strbuf,10);
		fileini.inimodify("CLIENTB",strbuf);
		itoa(m_client3,strbuf,10);
		fileini.inimodify("CLIENTC",strbuf);
		itoa(m_client4,strbuf,10);
		fileini.inimodify("CLIENTD",strbuf);
	}
	UpdateData(FALSE);
}

void CServerDlg::OnTest() 
{
	// TODO: Add your control notification handler code here
	::SendMessage(m_hWnd,ON_COM_RECEIVE,1,0);
}

void CServerDlg::SetClient(WPARAM wParam,LPARAM lParam)
{
	char bufid[10];
	CString ip = (char*)lParam;
	int nnum = 0;
	for(;nnum < 4;)
	{
		itoa(nnum,bufid,10);
		if(fileini.iniread(bufid) != NULL)
		{
			CString strip = fileini.iniread(bufid);
			if(strip == ip)
			{
				sockconn[nnum] = sockcon;
			}
		}
		nnum++;
	}
/*
	if(fileini.iniread(bufid) == NULL)
		fileini.iniwrite(bufid,ip.GetBuffer(ip.GetLength()));
	else
		fileini.inimodify(bufid,ip.GetBuffer(ip.GetLength()));
	fileini.Fileflush();
*/
}