wlansampleexappui.cpp

基于symbian平台的Wlan创建

/* ====================================================================
 * File: WLanSampleExAppUi.cpp
 * Created: 01/19/07
 * Author: 
 * Copyright (c):  All rights reserved
 * ==================================================================== */

#include <avkon.hrh>
#include <rconnmon.h>
#include <apaccesspointitem.h> 
#include <apdatahandler.h> 
#include <CommDbConnPref.h>
#include <apselect.h>
#include <wlancdbcols.h>
#include <wlanmgmtclient.h> 
#include <in_sock.h>

#include "WLanSampleEx.pan"
#include "WLanSampleExAppUi.h"
#include "WLanSampleExAppView.h"
#include "WLanSampleEx.hrh"

// ConstructL is called by the application framework
void CWLanSampleExAppUi::ConstructL()
    {
    BaseConstructL(EAknEnableSkin);

    iAppView = CWLanSampleExAppView::NewL(ClientRect());
    
    AddToStackL(iAppView);
    }

CWLanSampleExAppUi::CWLanSampleExAppUi()                              
    {
	// no implementation required
    }

CWLanSampleExAppUi::~CWLanSampleExAppUi()
    {
    if (iAppView)
        {
        RemoveFromStack(iAppView);
        delete iAppView;
        iAppView = NULL;
        }
       
        iConnection.Close();
        iServer.Close();
    }

// handle any menu commands
void CWLanSampleExAppUi::HandleCommandL(TInt aCommand)
    {
    switch(aCommand)
        {
        case EEikCmdExit:
        case EAknSoftkeyExit:
            Exit();
            break;

        case EWLanSampleExCommand1:
            {
            NetworkNameL();
			}
            break;
            
        case EWLanSampleExCommand2:
            {
            ScanNetworksL();
            }
            break;
		case EWLanSampleExCommand3:
            {
            CreateAccessPointL();
            }
            break;
       	case EWLanSampleExCommand4:
	        {
	        EstablishConnectionL();
            }
	        
        	break;
        case EWLanSampleExCommand5:
	        {
	        GetMacAddressL();		
			}
	        break;
		case EWLanSampleExCommand6:
	        {
	        GetIpAddressL();
		    }
		    break;
	   	case EWLanSampleExCommand7:
	        {
	        GetCurrentSignalStrengthL();
		    }
		break; 
		default:
		   Panic(EWLanSampleExBasicUi);
		    break;
	}
  }

// ----------------------------------------------------------------------------
//  CWLanSampleExAppUi::CreateAccessPointL()
//  Creates a sample wlan access point with security settings
// ----------------------------------------------------------------------------
//

void CWLanSampleExAppUi::CreateAccessPointL()
	{
	TInt errorCode;
	TInt error;
	CCommsDatabase* db = CCommsDatabase::NewL();
	CleanupStack::PushL(db);
	TInt err = db->BeginTransaction();

	// Create a wlan AP and fill its mandatory fields.
	CApAccessPointItem* wlanAp = CApAccessPointItem::NewLC();
	CApAccessPointItem* wlanNewItem=CApAccessPointItem::NewLC();


	wlanAp->SetNamesL(_L("wcdma"));
	wlanAp->SetBearerTypeL(EApBearerTypeWLAN);
	wlanAp->WriteTextL(EApWlanNetworkName, _L("L!nkSys@MdpNok!a"));  // Give corrct Data as per the router configuration  //L!nkSys@MdpNok!a

	//Security mode should be 2 for WEP network 
	//1 for Open network
	//4 for  E802_1x     
	//8 for EWpa 
	//16 for EWpa2  
	wlanAp->WriteUint(EApWlanSecurityMode,2);

	//Lan network mode should be 1 for infrastructure, 0 for adhoc
	wlanAp->WriteUint(EApWlanNetworkMode,1);


	// Store it into the iDb.
	TBool val =ETrue;
	TUint32 newalanid;

	CApDataHandler* handler = CApDataHandler::NewLC(*db);
	TUint32 apid;
	apid = handler->CreateFromDataL(*wlanAp);
	handler->UpdateAccessPointDataL(*wlanAp,val);
	handler->AccessPointDataL(apid,*wlanNewItem); 
	wlanNewItem->ReadUint( EApIapServiceId, newalanid );
	wlanNewItem->ReadTextL( EApWlanNetworkName, ibuff ); 
	   
	TBuf8<50> keyData;

	keyData.Copy(_L("5F89AE0A3B9D5C1123F81F0A41")); // Give corrct Data as per the router configuration 

	CCommsDbTableView* wLanServiceTable = db->OpenViewMatchingUintLC( 
	TPtrC( WLAN_SERVICE ), TPtrC( WLAN_SERVICE_ID ), newalanid );
	errorCode = wLanServiceTable->GotoFirstRecord();
			 
		
	if ( errorCode == KErrNone )
	     {
			 wLanServiceTable->UpdateRecord();
		 }
	else
		 {
			TUint32 dummyUid( KUidNone );
			User::LeaveIfError( wLanServiceTable->InsertRecord( dummyUid ) );
			// Save link to LAN service
			wLanServiceTable->WriteUintL( TPtrC( WLAN_SERVICE_ID ), apid );
		 }
		 
	 
	// Save first WEP key
	TRAP(error,wLanServiceTable->WriteTextL( TPtrC( WLAN_WEP_KEY1 ), 
	                      keyData ));
	// Save second WEP key
	TRAP(error,wLanServiceTable->WriteTextL( TPtrC( WLAN_WEP_KEY2 ), 
	                      keyData ));
	// Save third WEP key
	TRAP(error,wLanServiceTable->WriteTextL( TPtrC( WLAN_WEP_KEY3 ), 
	                      keyData ));
	// Save fourth WEP key
	TRAP(error,wLanServiceTable->WriteTextL( TPtrC( WLAN_WEP_KEY4 ), 
	                      keyData ));
	                      
	wLanServiceTable->PutRecordChanges();
	err = db->CommitTransaction();    //	// End a transaction. Call after `InsertRecord()` or `UpdateRecord()`.
	CleanupStack::PopAndDestroy(5);

	}


// ----------------------------------------------------------------------------
//  CWLanSampleExAppUi::ScanNetworksL()
//  Scans the available WLAN network and finds the security mode and
//  the network mode and BSSID
// ----------------------------------------------------------------------------
//
void CWLanSampleExAppUi::ScanNetworksL()
	{

	TBuf<10> infoBuff;
	TInt securityMode;
	CWlanScanInfo* scanInfo=CWlanScanInfo::NewL();
	CleanupStack::PushL(scanInfo);
	CWlanMgmtClient* client=CWlanMgmtClient::NewL();
	CleanupStack::PushL(client);
	TInt i=1;
	client->GetScanResults(*scanInfo);	

	for(scanInfo->First(); !scanInfo->IsDone(); scanInfo->Next() )
		{
		ibuff.Zero();
		ibuff.AppendNum(i);
		CEikonEnv::InfoWinL(_L("Network"),ibuff);
		i++;
		securityMode=scanInfo->SecurityMode();

		if(securityMode==0)
			{
			CEikonEnv::InfoWinL(_L("SecurityMode"),_L("Open"));
			}

		else if(securityMode==1)
			{
			CEikonEnv::InfoWinL(_L("SecurityMode"),_L("WEP Mode"));
			}
		else if(securityMode==2)
			{
			CEikonEnv::InfoWinL(_L("SecurityMode"),_L("802d1x Mode"));
			}

		else if(securityMode==3)
			{
			CEikonEnv::InfoWinL(_L("SecurityMode"),_L("WPA"));
			}

		//In general if the least significant bit of the capbility field 
		//is 1 then the network is of "Infrastructure Type" or else if the 
		//capability field is 0 then the network is of "Ad-hoc type"

		TUint16 capability=scanInfo->Capability();

		TInt pad(1);
		TInt lanType=capability & pad;
		
		if(lanType==1)
			CEikonEnv::InfoWinL(_L("Network mode"),_L("Infrastructure"));
		else
			CEikonEnv::InfoWinL(_L("Network mode"),_L("Adhoc"));
			infoBuff.Zero();

		TWlanBssid bssid;
		scanInfo->Bssid( bssid );
		ibuff.Zero();
		ibuff.Copy(bssid);
		CEikonEnv::InfoWinL(_L("BSSID"),ibuff);
		}
		CleanupStack::PopAndDestroy(2);
}


// ----------------------------------------------------------------------------
//  CWLanSampleExAppUi::NetworkNameL()
//  Gets the available WLAN network name and its strength
// ----------------------------------------------------------------------------
//

void CWLanSampleExAppUi::NetworkNameL()
	{
	TPckgBuf<TConnMonNetworkNames> networks;
	RConnectionMonitor monitor;
	monitor.ConnectL();
	CleanupClosePushL(monitor);
	TRequestStatus status;
	monitor.GetPckgAttribute(EBearerIdWLAN, 0, KNetworkNames , networks, status);   // EBearerIdWLAN  KNetworkNames
	User::WaitForRequest(status ) ;
	User::LeaveIfError(status.Int());
	TBuf<20> ibuff;
	TInt count = networks().iCount;
	ibuff.Zero();
	ibuff.AppendNum(count);
	CEikonEnv::InfoWinL(ibuff,_L("Total Network found"));

	for(TInt i=0;i<count;i++)
		{
		TBuf8<32> ssid; 
		ssid.Copy( networks().iNetwork[i].iName );
		ibuff.Zero();
		ibuff.Copy(ssid);
		CEikonEnv::InfoWinL(_L("Network Name"),ibuff); 
		TUint8 iSignal = networks().iNetwork[i].iSignalStrength;
		ibuff.Zero();
		ibuff.AppendNum(iSignal);
		CEikonEnv::InfoWinL(_L("Network Signal"),ibuff); 

		}
	CleanupStack::PopAndDestroy();

	}

// ----------------------------------------------------------------------------
//  CWLanSampleExAppUi::GetMacAddressL()
//  Gets the MAC address of the WLAN device
// ----------------------------------------------------------------------------
//
void CWLanSampleExAppUi::GetMacAddressL()
	{
	// MAC address	of the WLAN device
	RSocketServ socketServ;
	User::LeaveIfError(socketServ.Connect());
	CleanupClosePushL(socketServ);
	// Open a socket
	RSocket socket;
	User::LeaveIfError(socket.Open(socketServ,

									KAfInet,

									KSockStream,

									KProtocolInetTcp));                         

	CleanupClosePushL(socket);   

	// Start enumerating the interfaces
	TPckgBuf<TSoInetInterfaceInfo> info;
	socket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
	TBuf<32> macAddr;
	while(socket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, info) == KErrNone)
		{
		if(info().iName.FindF(_L("Wlan")) == KErrNotFound)
		{
			continue;
		}
		macAddr.Zero();
		for( TUint i = sizeof(SSockAddr) ; i < sizeof(SSockAddr) + 6 ; i++ )
			{
				if(i < (TUint)info().iHwAddr.Length())
				{
				macAddr.AppendFormat(_L("%02X:"), info().iHwAddr[i]);
				}
				
			}
		if(macAddr.Length()) // remove trailing ':'
			{
			macAddr.Delete(macAddr.Length()-1, 1);            
			}
	
		}
		CEikonEnv::InfoWinL(_L("MAC address"),macAddr);
		CleanupStack::PopAndDestroy(2);

				
	}
    
 
// ----------------------------------------------------------------------------
//  CWLanSampleExAppUi::GetIpAddressL()
//  Gets the IP address of the WLAN iConnection. Works only if there is a wlan iConnection established 
// ----------------------------------------------------------------------------
//
    
void CWLanSampleExAppUi::GetIpAddressL()
	{
		if(iConnState)
		{
		// ip address of the current iConnection call after establish a iConnection
		// The last in the loop is the current IP address
		// To be called after the iConnection is established or else it panics
		RSocketServ socketServ;
		socketServ.Connect();
		CleanupClosePushL(socketServ);
		RSocket sock;
		User::LeaveIfError(sock.Open(socketServ, KAfInet, KSockStream, KProtocolInetTcp));
		CleanupClosePushL(sock);
		// Get the IAP id of the underlying interface of this RConnection
		TUint32 iapId = 0;
		User::LeaveIfError(iConnection.GetIntSetting(_L("IAP\\Id"), iapId));

		// Get IP information from the socket
		TSoInetInterfaceInfo ifinfo;
		TPckg<TSoInetInterfaceInfo> ifinfopkg(ifinfo);

		TSoInetIfQuery ifquery;
		TPckg<TSoInetIfQuery> ifquerypkg(ifquery);

		// To find out which interfaces are using our current IAP, we must 
		// enumerate and go through all of them and make a query by name
		// for each.
		User::LeaveIfError(sock.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl));
		while(sock.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, ifinfopkg) == KErrNone)
			{
			ifquery.iName = ifinfo.iName;
			TInt err = sock.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, ifquerypkg);

			if(err == KErrNone && ifquery.iZone[1] == iapId) // IAP ID is index 1 of iZone
			{
			// We have found an interface using the IAP we are interested in.
			if(ifinfo.iAddress.Address() > 0)
			{
			// found a IPv4 address
			TInetAddr aAddr = ifinfo.iAddress;
			ibuff.Zero();
			aAddr.Output(ibuff);
			
			} // while

			}
			else if(err != KErrNone)
			{

			}
			}
			CEikonEnv::InfoWinL(ibuff,_L("IP address"));
			CleanupStack::PopAndDestroy(2);
		}
		else
			CEikonEnv::InfoWinL(_L("Establish connection first"),_L(""));
	}
	
// ----------------------------------------------------------------------------
//  CWLanSampleExAppUi::EstablishConnectionL()
//  Establishes WLAN connection with the last wlan access point from the access point list
// ----------------------------------------------------------------------------
//
 
void CWLanSampleExAppUi::EstablishConnectionL()
	{
	// establishes iConnection with the last wlan access point.
	// It also lists all the available access point
	TUint32 accessPoint(0);
	CCommsDatabase* commDB = CCommsDatabase::NewL(EDatabaseTypeIAP);
	CleanupStack::PushL(commDB);
	CApSelect * iSelect =CApSelect::NewLC(*commDB,KEApIspTypeAll,EApBearerTypeWLAN,KEApSortUidAscending);
	TBuf<50> iName;
	TBool move = iSelect->MoveToFirst();
	TInt icount = 0;
	while(icount<iSelect->Count())
		{
		if(move==TRUE) 
			{
			iName =iSelect->Name();
			accessPoint=iSelect->Uid();
			
			}
		move = iSelect->MoveNext();
		icount=icount+1;
		}
	CEikonEnv::InfoWinL(_L("Using"),iName);	 
	User::LeaveIfError(iServer.Connect(KESockDefaultMessageSlots));
	User::LeaveIfError(iConnection.Open(iServer, KConnectionTypeDefault));
	TCommDbConnPref prefs;
	prefs.SetDialogPreference(ECommDbDialogPrefDoNotPrompt);
	prefs.SetDirection(ECommDbConnectionDirectionOutgoing);
	prefs.SetIapId(accessPoint);
	User::LeaveIfError(iConnection.Start(prefs));
	iConnState = ETrue;
	CleanupStack::PopAndDestroy(2);
	}


// ----------------------------------------------------------------------------
//  CWLanSampleExAppUi::GetCurrentSignalStrengthL()
//  Get the signal strength of the currently established iConnection 
// 	To be called after the iConnection is established or else it panics
// ----------------------------------------------------------------------------
//
 void CWLanSampleExAppUi::GetCurrentSignalStrengthL()
	{
	RConnectionMonitor monitor;
	monitor.ConnectL();
	CleanupClosePushL(monitor);
	TRequestStatus status;
	TInt32 iSignalStrength;

	TUint iCount;
	monitor.GetConnectionCount(iCount,status);
	User::WaitForRequest(status ) ;
	User::LeaveIfError(status.Int());

	TBuf<20> ibuff;
	TUint connectId;
	TUint subId;		
	monitor.GetConnectionInfo(iCount,connectId,subId);
	monitor.GetIntAttribute(connectId,0 , KSignalStrength , (TInt &)iSignalStrength, status);		 // EBearerIdWLAN  KNetworkNames
	User::WaitForRequest(status ) ;

	ibuff.Zero();
	ibuff.AppendNum(iSignalStrength);
	CEikonEnv::InfoWinL(ibuff,_L("Signal1"));

	User::LeaveIfError(status.Int());
	CleanupStack::PopAndDestroy();
	}

// End of file