clientdlg.cpp

通过C++编写代码实现socket和com的通信

// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
HANDLE hMutex;
bool CClientDlg::m_isconn = false;
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()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClientDlg)
	m_command = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	for(int i = 0; i < 3; i++)
	{
		m_status[i]=0;
		m_commands[i]="";
		m_strmoni[i] = "";
	}
	m_strAlarm = "";
}

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_CONN, m_connbtn);
	DDX_Control(pDX, IDC_MONITOR3, m_monitor3);
	DDX_Control(pDX, IDC_MONITOR2, m_monitor2);
	DDX_Control(pDX, IDC_MONITOR1, m_monitor1);
	DDX_Text(pDX, IDC_COMMAND, m_command);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_SET, OnSet)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_CONN, OnConn)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_RECVDATA,OnRecvData)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientDlg::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_monitor1.SetCurSel(0);
	m_monitor2.SetCurSel(1);
	m_monitor3.SetCurSel(2);
	*/

	iniSet.iniopen("set.ini",4);
	if(iniSet.iniread("HOSTADDR") != NULL)
	{
		//((CIPAddressCtrl*)GetDlgItem(IDC_IPADDRESS1))->SetAddress()
		SetDlgItemText(IDC_IPADDRESS1,iniSet.iniread("HOSTADDR"));
		SetDlgItemText(IDC_MONITOR1,iniSet.iniread("MONITOR1"));
		SetDlgItemText(IDC_MONITOR2,iniSet.iniread("MONITOR2"));
		SetDlgItemText(IDC_MONITOR3,iniSet.iniread("MONITOR3"));
	}

	if(!m_comMonitor.Open(1, 9600))
	{
		AfxMessageBox("port 1 cannot open~");//默认9600
		//exit(0);
	}
	m_comMonitor.SetWnd(m_hWnd);

	InitSocket();
	HANDLESTR *pRecvParam = new HANDLESTR;
	pRecvParam->hwnd = m_hWnd;
	pRecvParam->sock = m_socket;
	pRecvParam->addrSock = addrSock;
	hMutex = CreateMutex(NULL,FALSE,NULL);
	HANDLE hThread=CreateThread(NULL,0,RecvProc,(LPVOID)pRecvParam,0,NULL);
	CloseHandle(hThread);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

/*void CClientDlg::OnConn() 
{
	// TODO: Add your control notification handler code here
	/*UpdateData(TRUE);
	while(!pSocket->Connect(m_addr,m_port))
	{
		if(AfxMessageBox("连接错误",MB_YESNO)==IDNO)
		{
			delete pSocket;
			pSocket=NULL;
			return ;
		}
	    pSocket->Receive(buf,100,0);

	if(connect(m_socket,(SOCKADDR*)&addrSock,sizeof(addrSock)) == SOCKET_ERROR)
	{
		MessageBox("failed to connect!");
		return;
	}
	recv(m_socket,buf,100,0);
	m_command=buf;
	UpdateData(FALSE);	
	
}*/



BOOL CClientDlg::InitSocket()
{
	m_socket=socket(AF_INET,SOCK_STREAM,0);
	if(INVALID_SOCKET==m_socket)
	{
		MessageBox("套接字创建失败！");
		return FALSE;
	}
	
	DWORD dwIP;
	((CIPAddressCtrl*)GetDlgItem(IDC_IPADDRESS1))->GetAddress(dwIP);

	addrSock.sin_family=AF_INET;
	addrSock.sin_port=htons(8888);
	addrSock.sin_addr.S_un.S_addr=htonl(dwIP);
	
	return true;
}

DWORD WINAPI CClientDlg::RecvProc(LPVOID lpParameter)
{
	SOCKET sock = ((HANDLESTR*)lpParameter)->sock;
	SOCKADDR_IN addrSock = ((HANDLESTR*)lpParameter)->addrSock;
	HWND hwnd = ((HANDLESTR*)lpParameter)->hwnd;
	delete lpParameter;
	
	char tempbuf[100];
	int retval;
	while(TRUE)
	{
		WaitForSingleObject(hMutex,INFINITE);
		if(!m_isconn)
		{
			if(SOCKET_ERROR == connect(sock,(SOCKADDR*)&addrSock,sizeof(addrSock)))
			{
				int erro = WSAGetLastError();
				::AfxMessageBox("failed to connect!!");
				closesocket(sock);
				ExitThread(0);
				ReleaseMutex(hMutex);
				return -1;
			}
			m_isconn = true;
		}
		retval = recv(sock,tempbuf,100,0);

		if(tempbuf[0]=='$')
		{
			::AfxMessageBox("lost connect!");
			closesocket(sock);
			ExitThread(0);
			return -1;
		}
		if(SOCKET_ERROR == retval)
		{
			ReleaseMutex(hMutex);
			continue;
		}
		
		if(FALSE == ::SendMessage(hwnd,WM_RECVDATA,0,(LPARAM)tempbuf))
		{
			::AfxMessageBox("error in postmessage");
			ReleaseMutex(hMutex);
		    continue;
		}
		ReleaseMutex(hMutex);
	}
	return 0;
}

void CClientDlg::OnRecvData(WPARAM wParam,LPARAM lParam)
{
	DWORD dw;
//	HOSTENT* pHost;
//	char buf[32];
//	char *bufip = buf;
//	gethostname(bufip,strlen(bufip));
//	pHost = gethostbyname(bufip);
	
	UpdateData();
	m_strAlarm = (char*)lParam;
/*	if(m_strAlarm.Left(1)=="?")
	{
		CString strip = "!";
		strip += pHost->h_addr_list[0];
		send(m_socket,strip.GetBuffer(strip.GetLength()),strip.GetLength(),0);
	}
	*/
	for(int i = 0; i<3 ;i++)
	{
		if(m_status[i] == 0)		//可用
		{
			GetDlgItemText(IDC_MONITOR1+i,m_strmoni[i]);
			m_commands[i] = m_strAlarm;
			m_command.Format("SWITCH %s/%s",m_commands[i],m_strmoni[i]);
			m_status[i] = 1;
			UpdateData(FALSE);
			dw = m_comMonitor.Write(m_command);
			if(dw == 0)
			{
				MessageBox("没打开无法操作！");
				
				//continue;
			}
			SetTimer(i+1,10000,NULL);
			break;
		}
	}	
	if(3 == i)
	{
		
	}

}

void CClientDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	if(m_socket)
		closesocket(m_socket);
	CDialog::OnClose();
}

void CClientDlg::OnSet() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	CString strMoni;
	
	if(iniSet.iniread("MONITOR1") == NULL)
	{
		iniSet.iniopen("set.ini",4);
		GetDlgItemText(IDC_IPADDRESS1,strMoni);
		iniSet.iniwrite("HOSTADDR",strMoni.GetBuffer(strMoni.GetLength()));
		GetDlgItemText(IDC_MONITOR1,strMoni);
		iniSet.iniwrite("MONITOR1",strMoni.GetBuffer(strMoni.GetLength()));
		GetDlgItemText(IDC_MONITOR2,strMoni);
		iniSet.iniwrite("MONITOR2",strMoni.GetBuffer(strMoni.GetLength()));
		GetDlgItemText(IDC_MONITOR3,strMoni);
		iniSet.iniwrite("MONITOR3",strMoni.GetBuffer(strMoni.GetLength()));
		
	}
	else
	{
		GetDlgItemText(IDC_IPADDRESS1,strMoni);
		iniSet.inimodify("HOSTADDR",strMoni.GetBuffer(strMoni.GetLength()));
		GetDlgItemText(IDC_MONITOR1,strMoni);
		iniSet.inimodify("MONITOR1",strMoni.GetBuffer(strMoni.GetLength()));
		GetDlgItemText(IDC_MONITOR2,strMoni);
		iniSet.inimodify("MONITOR2",strMoni.GetBuffer(strMoni.GetLength()));
		GetDlgItemText(IDC_MONITOR3,strMoni);
		iniSet.inimodify("MONITOR3",strMoni.GetBuffer(strMoni.GetLength()));
	}
}


void CClientDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	DWORD dw;
	for(int i = 0; i < 3; i++)
	{
		if(m_status[i] == 1 && nIDEvent == (UINT)(i+1))
		{
			m_command.Format("SWITCH %s\\%s",m_strmoni[i],m_commands[i]);
			UpdateData(FALSE);		
			dw = m_comMonitor.Write(m_command);
			if(dw == 0)
			{
				KillTimer(i+1);
				MessageBox("没打开无法操作！!");				
				return;
			}
			m_status[i] = 0;
			KillTimer(i+1);
		}
	}			
	CDialog::OnTimer(nIDEvent);
}

void CClientDlg::OnConn() 
{
	// TODO: Add your control notification handler code here
	int error;
	//SOCKET sock;
	//sock = m_socket;
	InitSocket();

	error = connect(m_socket,(SOCKADDR*)&addrSock,sizeof(addrSock));
	CClientDlg::m_isconn = true;
	if(SOCKET_ERROR == error)
	{
		error = WSAGetLastError();
		if(error == WSAEISCONN)
		{
			MessageBox("已经连接！");
			return ;
		}
		::AfxMessageBox("failed to connect!");
		//closesocket(sock);

		return ;
	}
	MessageBox("success connect!");
	
	HANDLESTR *pRecvParam = new HANDLESTR;
	pRecvParam->hwnd = m_hWnd;
	pRecvParam->sock = m_socket;
	pRecvParam->addrSock = addrSock;

	HANDLE hThread=CreateThread(NULL,0,RecvProc,(LPVOID)pRecvParam,0,NULL);
	CloseHandle(hThread);
}