testnetdlg.cpp

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/*
 *  Openmysee
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
//

#include "stdafx.h"
#include "GVCapture.h"
#include "TestNetDlg.h"
#include ".\testnetdlg.h"

const int SOCKET_MAJOR_VERSION		= 2;
const int SOCKET_MINOR_VERSION		= 2;
const int SOCKET_SUCCESS			= 0;


// CTestNetDlg dialog

IMPLEMENT_DYNAMIC(CTestNetDlg, CDialog)
CTestNetDlg::CTestNetDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestNetDlg::IDD, pParent)
{
	InitializeCriticalSection(&moCriticalSection);
}

CTestNetDlg::~CTestNetDlg()
{
	UnInitSock();
	DeleteCriticalSection(&moCriticalSection);
}

void CTestNetDlg::DoDataExchange(CDataExchange* pDX)
{	
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_COMBO_IP_NET, mcomboxIPAry);
	DDX_Text(pDX, IDC_STATE_EDIT, mstrState);	
}


void CTestNetDlg::GetAddr(CString astrSPAddress)
{
	CString lstrSpAddress;
	while (-1 != astrSPAddress.Find(':'))
	{
		lstrSpAddress = astrSPAddress.Left(astrSPAddress.Find(':'));
		lstrSpAddress.Trim();
		mStrAryIPAry.Add(lstrSpAddress);
		astrSPAddress = astrSPAddress.Right(astrSPAddress.GetLength() \
			- astrSPAddress.Find(':') - 1);
	}
	if (0 != astrSPAddress.GetLength())
	{
		lstrSpAddress = astrSPAddress;
		lstrSpAddress.Trim();
		mStrAryIPAry.Add(lstrSpAddress);
	}
}


BEGIN_MESSAGE_MAP(CTestNetDlg, CDialog)	
	ON_BN_CLICKED(IDC_TEST, OnBnClickedTest)
	ON_BN_CLICKED(IDC_BTN_TEST_ALL, OnBnClickedBtnTestAll)
END_MESSAGE_MAP()


// CTestNetDlg message handlers

BOOL CTestNetDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	
	if (SOCKET_SUCCESS != InitSock())
	{
		AfxMessageBox("初始化WinSock失败，测试失败，请退出");
		WSACleanup();
		return TRUE;
	}

	for(int i = 0; i < mStrAryIPAry.GetSize(); i++)
	{
		mcomboxIPAry.AddString(mStrAryIPAry.GetAt(i));
	}
	mcomboxIPAry.SetCurSel(0);
	// TODO:  Add extra initialization here
	mstrState = "请点击测试按钮开始测试";
	//GetDlgItem(IDC_BTN_TEST_ALL)->SetFocus();
	::SetFocus(GetDlgItem(IDC_BTN_TEST_ALL)->GetSafeHwnd());
	UpdateData(false);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	// EXCEPTION: OCX Property Pages should return FALSE
}

void CTestNetDlg::OnBnClickedTest()
{
	int i = 0;
	CString lstrCurSel;
	CONNECT_RESULT ret = CR_ERROR;
	GetDlgItem(IDC_TEST)->SetWindowText("正在测试");
	GetDlgItem(IDC_TEST)->EnableWindow(false);
	
	if((i = mcomboxIPAry.GetCurSel()) != CB_ERR)
	{
		mcomboxIPAry.GetLBText(i, lstrCurSel);
	}
	//lsockAddr = GetCurAddrin(lstrCurSel);
	mstrState = "正在测试lstrCurSel，请稍后";
	GetDlgItem(IDC_STATE_EDIT)->SetWindowText( "正在测试lstrCurSel，请稍后");
	
	//UpdateData(false);
	if (TRUE == TestNet(lstrCurSel))
	{
		mstrState = lstrCurSel + "连通";		
	}
	else
	{
		mstrState =lstrCurSel + "未连接";
	}
	UpdateData(false);		
	GetDlgItem(IDC_TEST)->EnableWindow();
	GetDlgItem(IDC_TEST)->SetWindowText("测试");
}


//与网络相关的函数
SOCKADDR_IN CTestNetDlg::GetCurAddrin(CString astrIPAddr)
{
	SOCKADDR_IN lsockAddr;
	ZeroMemory(&lsockAddr,sizeof(lsockAddr));

	lsockAddr.sin_family		= AF_INET;
	lsockAddr.sin_port			= htons(20);
	lsockAddr.sin_addr.s_addr	= inet_addr((LPCTSTR)astrIPAddr);
	
	return lsockAddr;
}

//初始化WinSock
int CTestNetDlg::InitSock()
{
	WSADATA         WSD;
	WORD wVersionRequired = MAKEWORD(SOCKET_MAJOR_VERSION, SOCKET_MINOR_VERSION);
	
	ZeroMemory(&WSD,sizeof(WSADATA));

	int nErrorNo = WSAStartup(wVersionRequired, &WSD);

	if ( SOCKET_SUCCESS != nErrorNo )
	{		
		return ( SOCKET_ERROR );
	}

	if ( LOBYTE( WSD.wVersion ) != SOCKET_MINOR_VERSION ||
		 HIBYTE( WSD.wVersion ) != SOCKET_MAJOR_VERSION ) 
	{
		WSACleanup();		
		return (SOCKET_ERROR); 
	}
 
	//成功初始化
	return (SOCKET_SUCCESS);
}

//反初始化Winsock
void CTestNetDlg::UnInitSock()
{
	WSACleanup();
}

//开始连接
CONNECT_RESULT CTestNetDlg::Connecting(SOCKET& asocket, CString astrIPAddr) 
{
	CONNECT_RESULT ret = CR_ERROR;

	// Create a TCP/IP socket that is bound to the server.
	// Microsoft Knowledge Base: WSA_FLAG_OVERLAPPED Is Needed for Non-Blocking Sockets
	// http://support.microsoft.com/default.aspx?scid=kb;EN-US;179942
	asocket = WSASocket(AF_INET, SOCK_STREAM, 0, NULL, 0, WSA_FLAG_OVERLAPPED);
	if(asocket == INVALID_SOCKET) 
	{		
		return ret;
	}

	// 不使用Nagle算法
	BOOL bNoDelay = TRUE;
	if(setsockopt(asocket, SOL_SOCKET, TCP_NODELAY, (const char*)&bNoDelay, sizeof(bNoDelay)) == SOCKET_ERROR) 
	{		
		return ret;
	}

	// Set this socket as a Non-blocking socket.
	ULONG flag = 1;
	if(ioctlsocket(asocket, FIONBIO, &flag) == SOCKET_ERROR)
	{		
		return ret;
	}
	
	SOCKADDR_IN lsockAddr;
	lsockAddr = GetCurAddrin(astrIPAddr);

	// Connect to remote address
	if(WSAConnect(asocket, (sockaddr*)&lsockAddr, sizeof(lsockAddr), NULL, NULL, NULL, NULL) == SOCKET_ERROR) 
	{
		if(WSAGetLastError() != WSAEWOULDBLOCK) 
		{			
			return ret;
		}
		else 
		{
			ret = CR_WOULDBLOCK;			
		}
	}
	else 
	{
		ret = CR_CONNECTED;		
	}
	return ret;
}

//断开连接
void CTestNetDlg::Disconnect(SOCKET& asocket) 
{	
	if(asocket != INVALID_SOCKET)
	{
		closesocket(asocket);		
		asocket = INVALID_SOCKET;
	}
}

//测试网络
BOOL CTestNetDlg::TestNet(CString astrCurIP)
{
	BOOL lisConnected = FALSE;
	fd_set write_set;
	CONNECT_RESULT lnetret = CR_ERROR;
	timeval timeout;
	ZeroMemory(&timeout,sizeof(timeval));
	SOCKET lsocket;

	lnetret =Connecting(lsocket, astrCurIP);
	if(lnetret == CR_WOULDBLOCK) 
	{
		// 等待8秒钟，看能否连接上
		FD_ZERO(&write_set);
		FD_SET(lsocket, &write_set);
		timeout.tv_sec = 8;
		timeout.tv_usec = 0;
		int s = select(0, NULL, &write_set, NULL, &timeout);
		if(s > 0)
		{			
			lisConnected = TRUE;
			Disconnect(lsocket);
		}
	}
	return lisConnected;
}

void CTestNetDlg::OnBnClickedBtnTestAll()
{	
	CString lstrIP;
	CONNECT_RESULT lnetret = CR_ERROR;
	UpdateData();

	GetDlgItem(IDC_BTN_TEST_ALL)->SetWindowText("正在测试");
	GetDlgItem(IDC_BTN_TEST_ALL)->EnableWindow(false);
	if (0 == mStrAryIPAry.GetSize())
	{		
		return ;
	}
	mpstruConnect = new STRU_CONNECT[mStrAryIPAry.GetSize()];
	if (NULL == mpstruConnect)
	{
		return;
	}
	DWORD ldwThreadId = 0;
	HANDLE lhHandle = NULL;
	minum = 0;
	for(int i = 0; i < mStrAryIPAry.GetSize(); i++)
	{			
		mpstruConnect[i].mbResult = FALSE;
		mpstruConnect[i].msocket = 0;
		mpstruConnect[i].mstrIP = mStrAryIPAry.GetAt(i);		

		lhHandle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)(CTestNetDlg::ConnectProc), this, 0, &ldwThreadId); 
		if (NULL == lhHandle)
		{
			AfxMessageBox("检测失败");
			
			if (NULL != mpstruConnect)
			{
				for (i = 0; i < mStrAryIPAry.GetSize(); i++)
				{
					Disconnect(mpstruConnect[i].msocket);
				}
				delete []mpstruConnect;
				mpstruConnect = NULL;
			}
			return;
		}
		CloseHandle(lhHandle);
		Sleep(200);
	}
	Sleep(1000);
	
	GetResult();
	DisplayResult();

	GetDlgItem(IDC_BTN_TEST_ALL)->SetWindowText("测试全部");
	GetDlgItem(IDC_BTN_TEST_ALL)->EnableWindow();

	if (NULL != mpstruConnect)
	{
		for (i = 0; i < mStrAryIPAry.GetSize(); i++)
		{
			Disconnect(mpstruConnect[i].msocket);
		}
		delete []mpstruConnect;
		mpstruConnect = NULL;
	}
}

void WINAPI CTestNetDlg::ConnectProc(CTestNetDlg* apTestNetDlg)
{
	int i = 0;									//取得该线程的序号
	CONNECT_RESULT lnetret = CR_ERROR;			//运行结果
	fd_set lwrite_set;							//Select管理的套接字
	timeval timeout;
	ZeroMemory(&timeout,sizeof(timeval));

	if (NULL == apTestNetDlg->mpstruConnect)
	{
		return ;
	}	

	EnterCriticalSection(&apTestNetDlg->moCriticalSection);
	i = apTestNetDlg->minum;
	++ apTestNetDlg->minum;
	LeaveCriticalSection(&apTestNetDlg->moCriticalSection);
	
	//进行连接
	lnetret = apTestNetDlg->Connecting(apTestNetDlg->mpstruConnect[i].msocket, apTestNetDlg->mpstruConnect[i].mstrIP);

	if(lnetret == CR_WOULDBLOCK) 
	{
		// 等待8秒钟，看能否连接上
		FD_ZERO(&lwrite_set);
		FD_SET(apTestNetDlg->mpstruConnect[i].msocket, &lwrite_set);
		timeout.tv_sec = 8;
		timeout.tv_usec = 0;
		int s = select(0, NULL, &lwrite_set, NULL, &timeout);
		if(s > 0)
		{			
			apTestNetDlg->mpstruConnect[i].mbResult = TRUE;
			apTestNetDlg->Disconnect(apTestNetDlg->mpstruConnect[i].msocket);
		}
	}
}

void CTestNetDlg::GetResult()
{
	bool lbRun;
	DWORD ldwElaps = 0;
	ldwElaps = GetTickCount();
	do
	{		
		lbRun = false;
		for (int i = 0; i < mStrAryIPAry.GetSize(); i++)
		{
			if (INVALID_SOCKET != mpstruConnect[i].msocket)
			{
				lbRun = true;
				break;
			}
		}	
		if (ldwElaps + 10000 < GetTickCount())
		{
			lbRun = false;			
		}
	}
	while (lbRun);
}

void CTestNetDlg::DisplayResult()
{	
	mstrState = "全部网络测试结果:";
	for (int i = 0; i < mStrAryIPAry.GetSize(); i++)
	{
		mstrState += mpstruConnect[i].mstrIP;
		if (TRUE == mpstruConnect[i].mbResult)
		{
			mstrState += "连接成功";
		}
		else
		{
			mstrState += "连接失败";
		}
	}
	UpdateData(false);
}