testdlg.cpp

获取网卡信息

		MessageBox(strMsg,"错误");
		closesocket(sock[n]);
		return false;
	}
	WSAAsyncSelect(sock[n],GetSafeHwnd(),WM_SOCKET_MSG,FD_READ);
	return true;
}

void CTestDlg::OnSocketMsg(WPARAM wParam, LPARAM lParam)
{	
	int message;
	SOCKET curSock=(SOCKET)wParam;
	message=lParam&0x0000FFFF;
	char buf[1024],bufIP[20];
	CString strMsg,str;
	memset(buf,0,sizeof(buf));
	memset(bufIP,0,sizeof(bufIP));
	if(message==FD_READ)
	{
		sockaddr_in sender;
		int len=sizeof(sender);
		int ret=recvfrom(curSock,buf,1024,0,(LPSOCKADDR)&sender,&len);
		if(ret==SOCKET_ERROR)
		{
			strMsg.Format ("读取数据失败，错误码：%d",WSAGetLastError());
			MessageBox(strMsg,"错误");
			return;
		}
		strcpy(bufIP,inet_ntoa(sender.sin_addr));
		str.Format ("从%s接收到数据：%s\r\n",bufIP,buf);
		if(curSock==sock[0])
			m_sRecA+=str;
		else if(curSock==sock[1])
			m_sRecB+=str;
		UpdateData(FALSE);
	}
	
}

void CTestDlg::OnClose() 
{
	closesocket(sock[0]);
	closesocket(sock[1]);
	WSACleanup(); 	
	CDialog::OnClose();
}

void CTestDlg::OnBtnSendA() 
{
	UpdateData(TRUE);
	char bufIP[20],bufSend[1024];
	CString strMsg;	
	sockaddr_in receiver;
	memset(bufIP,0,sizeof(bufIP));
	memset(bufSend,0,sizeof(bufSend));
	GetDlgItem(IDC_EDT_IP_B)->GetWindowText(bufIP,20);
	receiver.sin_family =AF_INET;
	receiver.sin_port =htons(m_nPortB);
	receiver.sin_addr.s_addr=inet_addr(bufIP);
	strcpy(bufSend,m_sSendA.GetBuffer (1024));
	int ret=sendto(sock[0],bufSend,m_sSendA.GetLength (),0,(LPSOCKADDR)&receiver,sizeof(receiver));
	if(ret==SOCKET_ERROR)
	{
		strMsg.Format ("A发送数据失败，错误码：%d",WSAGetLastError());
		MessageBox(strMsg,"错误");
		return;
	}	
}

void CTestDlg::OnBtnSendB() 
{
	UpdateData(TRUE);
	char bufIP[20],bufSend[1024];
	CString strMsg;	
	sockaddr_in receiver;
	memset(bufIP,0,sizeof(bufIP));
	memset(bufSend,0,sizeof(bufSend));
	GetDlgItem(IDC_EDT_IP_A)->GetWindowText(bufIP,20);
	receiver.sin_family =AF_INET;
	receiver.sin_port =htons(m_nPortA);
	receiver.sin_addr.s_addr=inet_addr(bufIP);
	strcpy(bufSend,m_sSendB.GetBuffer (1024));
	int ret=sendto(sock[1],bufSend,m_sSendB.GetLength (),0,(LPSOCKADDR)&receiver,sizeof(receiver));
	if(ret==SOCKET_ERROR)
	{
		strMsg.Format ("B发送数据失败，错误码：%d",WSAGetLastError());
		MessageBox(strMsg,"错误");
		return;
	}	
}

void CTestDlg::OnSelchangeComIpA() 
{
	int index=((CComboBox*)GetDlgItem(IDC_COM_IP_A))->GetCurSel();
	POSITION pos=IPList.FindIndex(index);
	GetDlgItem(IDC_EDT_IP_A)->SetWindowText(IPList.GetAt(pos));
	closesocket(sock[0]);
	CreateSocket(0);
}

void CTestDlg::OnSelchangeComIpB() 
{
	int index=((CComboBox*)GetDlgItem(IDC_COM_IP_B))->GetCurSel();
	POSITION pos=IPList.FindIndex(index);
	GetDlgItem(IDC_EDT_IP_B)->SetWindowText(IPList.GetAt(pos));
    closesocket(sock[1]);
	CreateSocket(1);
}

void CTestDlg::OnChangeEdtPortA() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	closesocket(sock[0]);
	CreateSocket(0);
}

void CTestDlg::OnChangeEdtPortB() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	closesocket(sock[1]);
	CreateSocket(1);
	
}

BOOL CTestDlg::GetAdapterLists()
{//获取网卡列表
	((CComboBox*)GetDlgItem(IDC_COM_IP_A))->Clear();
	 ((CComboBox*)GetDlgItem(IDC_COM_IP_B))->Clear();

	CString str;
	int index;
	DWORD    dwStatus;
	//函数指针
	PGAINFO pGAInfo;
	//加载IP Helper API 所需的库文件
	HINSTANCE hInst;//实例句柄
	hInst=LoadLibrary("iphlpapi.dll");
	if(!hInst)
		MessageBox("iphlpapi.dll not supported in this platform!\n");
	TRACE("net adapters information:\n"); 
	
	//------------------------------------》获得网卡数据
	pGAInfo=(PGAINFO)GetProcAddress(hInst,"GetAdaptersInfo");	
	PIP_ADAPTER_INFO pInfo=NULL,pInfoTemp=NULL;
	ULONG ulSize=0;
	dwStatus =pGAInfo(pInfo,&ulSize);//第一次调用，获取缓冲区大小	
	
    if (dwStatus == ERROR_BUFFER_OVERFLOW) {
		// Allocate a buffer of the appropriate size
		if (!(pInfo = (PIP_ADAPTER_INFO)malloc(ulSize))) {
			MessageBox("\n Insufficient Memory ");
				return false;
		}
		
		// Obtain the Adapter Info
		dwStatus =pGAInfo(pInfo,&ulSize);
	}
	
	if (dwStatus != ERROR_SUCCESS) {//失败
		MessageBox("取网卡信息失败！","错误");
		return false;
	}
	pInfoTemp = pInfo;
	while(pInfo)		
	{	
		//网卡名
		str.Format("adapter name:%s\n ",pInfo->AdapterName);
		TRACE(str);
		//网卡描述信息	
		str.Format("%s\n",pInfo->Description);
		((CComboBox*)GetDlgItem(IDC_COM_IP_A))->AddString(str);
	    ((CComboBox*)GetDlgItem(IDC_COM_IP_B))->AddString(str);
		str="description:"+str;
		TRACE(str);
		//记录下它的索引值以便后面使用。	
		index=pInfo->Index;	
		//物理地址的长度
        str.Format ("hardware address length: %d\n",pInfo->AddressLength);
		TRACE(str);
		//显示物理地址	
		TRACE("hardware address:\n");
		CString temp;
		str="";
		for(int i=0;i<(int)pInfo->AddressLength;i++)	
		{
			temp.Format ("%X",(unsigned int)pInfo->Address[i]);
			str=str+=":"+temp;
		}
		str=str.Right(str.GetLength ()-1);
		TRACE(str);
		//显示绑定于这张网卡之上的IP地址	
		TRACE("\nip address bound to this chapter:\n ");
		PIP_ADDR_STRING pAddTemp=&(pInfo->IpAddressList);       
		while(pAddTemp)/*遍历IP列表中的每一个元素*/		
		{	
			str=pAddTemp->IpAddress.String;
			TRACE("\n***********************\n");
			TRACE(str);
			TRACE("\n*************************\n");
			pAddTemp=pAddTemp->Next;	
		}	

		IPList.AddTail(str);
		//显示当前使用的IP地址	
		//因为在离线状态下pInfo->CurrentIpAddress被置空，所以有必要做检查	
		if(pInfo->CurrentIpAddress)		
		{	
			TRACE("current ip using:\n");		
			pAddTemp=pInfo->CurrentIpAddress;	
			while(pAddTemp)/*遍历IP列表中的每一个元素*/		
			{	
				str=pAddTemp->IpAddress.String;
				TRACE("\n***********************\n");
				TRACE(str);	
				TRACE("\n*************************\n");
				pAddTemp=pAddTemp->Next;
			}			
		}		
		else		
			TRACE("network malfunctioning,no ip is in use!\n");
		//显示DHCP 服务器数据
		if(pInfo->DhcpEnabled !=0)
		{
			TRACE("\nDHCP in use:\n");
			pAddTemp=&(pInfo->DhcpServer);	
			while(pAddTemp)/*遍历IP列表中的每一个元素*/	
			{	
				str=pAddTemp->IpAddress.String;
				TRACE("\n***********************\n");
				TRACE(str);	
				TRACE("\n*************************\n");
				pAddTemp=pAddTemp->Next;
			}	
		}
		else
		{
			TRACE("\nDHCP doesn't in use:\n");
		}
		//将当前指针移向下一个		
		pInfo=pInfo->Next;		
     }	 
    delete pInfoTemp;//回收无用内存	 
     //------------------------------------》获得网卡数据部分结束


/*


     TRACE("\n");
     //函数指针	 
     PGNOINTERFACE pGNOInterface;	 
     PGIINFO pGIInfo;	 
     TRACE("\n---------------\nnetwork interfaces information:\n");
     //------------------------------------》网络接口信息部分	 
     //显示网络接口的个数	 
     DWORD ulNumOfInterfaces=0; 
     pGNOInterface=(PGNOINTERFACE)GetProcAddress(hInst,"GetNumberOfInterfaces"); 
     pGNOInterface(&ulNumOfInterfaces);
	 str.Format ("U have %d network interfaces\n",ulNumOfInterfaces);
     TRACE(str);
     //获取网络接口信息	 
     pGIInfo=(PGIINFO)GetProcAddress(hInst,"GetInterfaceInfo");	 
     PIP_INTERFACE_INFO pIInfo=NULL;	 
     ulSize=0;	 
     pGIInfo(pIInfo,&ulSize);//第一次调用，获取缓冲区大小	 
     pIInfo=(PIP_INTERFACE_INFO)new(char[ulSize]); 
     pGIInfo(pIInfo,&ulSize);
     //显示网络接口信息 
     for(int i=0;i<pIInfo->NumAdapters;i++)	 
	 {	 
		 //str.Format ("Adapter index:%d\n and name:%s \n",pIInfo->Adapter[i].Index,pIInfo->Adapter[i].Name);
		 str.Format ("Adapter index:%d\n and name:",pIInfo->Adapter[i].Index);
		 str+=pIInfo->Adapter[i].Name;
         TRACE(str);
		 TRACE("\n");
     }
     delete pIInfo;	 
     //------------------------------------》网络接口信息部分结束
     TRACE("\n");



     //函数指针	 
     PGIAT pGIAT;
     TRACE("\n---------------------\nip information:\n");
     //------------------------------------》IP绑定信息	 
     pGIAT=(PGIAT)GetProcAddress(hInst,"GetIpAddrTable");	 
     PMIB_IPADDRTABLE pIPTable=NULL;
     ulSize=0;	 
     pGIAT(pIPTable,&ulSize,TRUE);//获得缓冲区大小	 
     pIPTable=(PMIB_IPADDRTABLE)new(char[ulSize]);	 
     pGIAT(pIPTable,&ulSize,TRUE);	 
     for(i=0;i< (int)pIPTable->dwNumEntries;i++)	 
     {	 
         //取出每一个字段，显示IP	 
         str.Format ("ip address:%d.%d.%d.%d\n",(unsigned int)((LOWORD(pIPTable->table[i].dwAddr)&0x00FF)),\
			 
			 (unsigned int)((LOWORD(pIPTable->table[i].dwAddr)>>8)),\
			 
			 (unsigned int)((HIWORD(pIPTable->table[i].dwAddr)&0x00FF)),\
			 
			 (unsigned int)((HIWORD(pIPTable->table[i].dwAddr))>>8));
		 
         //显示绑定网络接口的索引
		 TRACE(str);
         str.Format("it is bound to interface:%d\n",pIPTable->table[i].dwIndex);
		 TRACE(str);
         //显示子网掩码		 
          str.Format("it's net mask:%d.%d.%d.%d\n",(unsigned int)((LOWORD(pIPTable->table[i].dwMask)&0x00FF)),\
			 
			 (unsigned int)((LOWORD(pIPTable->table[i].dwMask))>>8),\
			 
			 (unsigned int)((HIWORD(pIPTable->table[i].dwMask)&0x00FF)),\
			 
			 (unsigned int)((HIWORD(pIPTable->table[i].dwMask))>>16));
		 TRACE(str);
         //显示广播地址
		 
         str.Format("and broadcast addres:%d.%d.%d.%d\n",
			 (unsigned int)((LOWORD(pIPTable->table[i].dwBCastAddr)&0x00FF)),\
			 
			 (unsigned int)(      (LOWORD       (pIPTable->table[i].dwBCastAddr)        )   >>8),\
			 
			 (unsigned int)((HIWORD(pIPTable->table[i].dwBCastAddr)&0x00FF)),\
			 
			 (unsigned int)((HIWORD(pIPTable->table[i].dwBCastAddr))>>16));
		  TRACE(str);
         //显示最大报文大小
         str.Format("it's reassembly size:%d\n\n",pIPTable->table[i].dwReasmSize);
		 TRACE(str);	 
     }	 
     //------------------------------------》IP绑定信息结束	 

    delete pIPTable;


     PAIA pAIA;	 
     //------------------------------------》IP设置部分 
	 TRACE("\n----------------\nIP设置部分\n");
     if(index==0)	 
     {	 
         TRACE("\n no adapters available, cannot set ip address!\n"); 
         return 0;//没有网络接口可以设置		 
     }	 
     pAIA=(PAIA)GetProcAddress(hInst,"AddIPAddress");
     IPAddr addr=0x184BC5CA;
     IPMask mask=0x00FFFFFF;
     ULONG context;
     ULONG Inst;
     pAIA(addr,mask,index,&context,&Inst);
     //------------------------------------》IP设置部分结束	 
     TRACE("\n");	 */
     return true; 
}