telephonyprotocols/csdagt/script/SSCREXEC.CPP
changeset 0 3553901f7fa8
child 24 6638e7f4bd8f
child 42 3adadc800673
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-1:000000000000 0:3553901f7fa8
       
     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // NetDial Script Executor
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file Sscrexec.cpp 
       
    20 */
       
    21 
       
    22 #include "SSCREXEC.H"
       
    23 #include "SIO.H"
       
    24 #include "SLOGGER.H"
       
    25 #include "ND_SCR.H"
       
    26 
       
    27 _LIT(KPPPProtocolName,"PPP.");
       
    28 
       
    29 const TInt KNumErrorVariables=9;
       
    30 //const TInt KMaxReadFromPctLength=256;
       
    31 //const TInt KMaxReadFromPctLength8=2*KMaxReadFromPctLength;
       
    32 
       
    33 const SErrorVariable ErrorVariables[KNumErrorVariables]=
       
    34 	{
       
    35 	{KErrExitScriptTimeOutString,KErrExitScriptTimeOut},
       
    36 	{KErrExitLoginFailString,KErrExitLoginFail},
       
    37 	{KErrExitNoModemString,KErrExitNoModem},
       
    38 	{KErrExitModemErrorString,KErrExitModemError},
       
    39 	{KErrExitNoAnswerString,KErrEtelNoAnswer},
       
    40 	{KErrExitNoCarrierString,KErrEtelNoCarrier},
       
    41 	{KErrExitNoDialToneString,KErrEtelNoDialTone},
       
    42 	{KErrExitBusyString,KErrEtelBusyDetected},
       
    43 	{KErrExitModemInitErrorString,KErrEtelInitialisationFailure},
       
    44 	};
       
    45 
       
    46 // CScriptExecutor definitons 
       
    47 CScriptExecutor* CScriptExecutor::NewL(CNetDialScript* aScript,const TDesC& aCommChannel, TInt aScriptLength)
       
    48 
       
    49 /**
       
    50 2 phased constructor for CScriptExecutor, first phase.
       
    51 
       
    52 @param aScript a pointer to used script.
       
    53 @param aCommPort a reference to COMM port.
       
    54 @param aScriptLength is lenght for used script.
       
    55 @exception Leaves if ConstructL() leaves, or not enough memory is available.
       
    56 @return a new CScriptExecutor object.
       
    57 */
       
    58 	{
       
    59 	CScriptExecutor* p=new(ELeave) CScriptExecutor(aScript);
       
    60 	CleanupStack::PushL(p);
       
    61 	p->ConstructL(aCommChannel, aScriptLength);
       
    62 	CleanupStack::Pop();
       
    63 	return p;
       
    64 	}
       
    65 
       
    66 CScriptExecutor::CScriptExecutor(CNetDialScript* aScript) 
       
    67 	: CActive(EPriorityStandard), iScript(aScript), iInitializationFlag(EFalse),iServerRetransmitLoginPromptStatus(EFirstWaitCommand)
       
    68 /**
       
    69 Constructor for CScriptExecutor, used in the first phase of construction.
       
    70 
       
    71 @param aScript a pointer to used script.
       
    72 */
       
    73 	{}
       
    74 
       
    75 void CScriptExecutor::ConstructL(const TDesC& aCommChannel, TInt aScriptLength)
       
    76 /**
       
    77 Instantiate member variables.
       
    78 
       
    79 @param aCommPort a reference to COMM port.
       
    80 @param aScriptLength is script lenght.
       
    81 */
       
    82 	{
       
    83 	CActiveScheduler::Add(this);
       
    84 
       
    85 	iScriptIO=CScriptIO::NewL(this, aCommChannel);
       
    86 
       
    87 // create script reader if script length is greater than zero	
       
    88 	if (aScriptLength>0)
       
    89 		{
       
    90 		iScriptReader=CScriptReader::NewL(aScriptLength);
       
    91 		TScriptStatus scriptStatus=iScriptReader->ScriptStatus();
       
    92 		iVarMan=CScriptVarMan::NewL();
       
    93 		iCharConv=CScriptCharacterConverter::NewL();
       
    94 		iLabelMan=CScriptLabelMan::NewL();
       
    95 // Construct Command Managers
       
    96 		iWaitCommand=CWaitCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv,iScriptIO,iLabelMan, this);
       
    97 		iCommands[0]=iWaitCommand;
       
    98 		iCommands[1]=CSendCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv,iScriptIO);
       
    99 		iReadCommand=CReadPCTCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv,this);
       
   100 		iCommands[2]=iReadCommand;
       
   101 		iLoopCommand=CLoopCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv);
       
   102 		iCommands[3]=iLoopCommand;
       
   103 		iCommands[4]=CExitCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv);
       
   104 		iGotoCommand=CGotoCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv,iLabelMan);
       
   105 		iCommands[5]=iGotoCommand;
       
   106 		iCommands[6]=CSetCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv);
       
   107 		iCommands[7]=CDTRCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv,iScriptIO);
       
   108 		iCommands[8]=CCharMapCommand::NewL(scriptStatus,iScriptReader,iVarMan,iCharConv);
       
   109 // Add Error Variables
       
   110 		__ASSERT_DEBUG((sizeof(ErrorVariables)/sizeof(SErrorVariable))==KNumErrorVariables,NetDialPanic(ENumOfVariablesIncorrect));
       
   111 		TInt i;
       
   112 		for (i=0; i<KNumErrorVariables; i++)
       
   113 			iVarMan->AddVariableL(TPtrC(ErrorVariables[i].iString),ErrorVariables[i].iValue);
       
   114 		}
       
   115 	else
       
   116 		{
       
   117 		iScriptReader=NULL;
       
   118 		iVarMan=NULL;
       
   119 		iCharConv=NULL;
       
   120 		iLabelMan=NULL;
       
   121 		iWaitCommand=NULL;
       
   122 		iReadCommand=NULL;
       
   123 		iGotoCommand=NULL;
       
   124 		iLoopCommand=NULL;
       
   125 		TInt i;
       
   126 		for (i=0; i<KNumCommands; i++)
       
   127 			iCommands[i]=NULL;
       
   128 		}
       
   129 
       
   130 // PCT stuff
       
   131 	iReadFound=EFalse;
       
   132 	iReadReq=0;
       
   133 	iReadFromPctPending=EFalse;
       
   134 	iDataToWrite.SetLength(0);
       
   135 	}
       
   136 	
       
   137 CScriptExecutor::~CScriptExecutor()
       
   138 /**
       
   139 Destructor.
       
   140 Cancels active requests and deletes members.
       
   141 */
       
   142 	{
       
   143 	Cancel();
       
   144 	delete iDummySearchArray;
       
   145 	delete iScriptIO;
       
   146 	delete iScriptReader;
       
   147 	delete iVarMan;
       
   148 	delete iCharConv;
       
   149 	delete iLabelMan;
       
   150 	for(TInt i=0;i<KNumCommands	;i++)
       
   151 		delete iCommands[i];
       
   152 	}
       
   153 
       
   154 void CScriptExecutor::SetLoginParams(const TDesC& aLoginName,const TDesC& aLoginPass)
       
   155 /**
       
   156 Sets login parameters.
       
   157 
       
   158 @param aLoginName a reference to login name.
       
   159 @param aLoginPass a reference to login password.
       
   160 */
       
   161 	{
       
   162 	iLoginName.Copy(aLoginName);
       
   163 	iLoginPass.Copy(aLoginPass);
       
   164 	}
       
   165 
       
   166 void CScriptExecutor::SetScript(const TDesC& aScript)
       
   167 /**
       
   168 Sets script.
       
   169 
       
   170 @param aScript a reference to login name.
       
   171 */
       
   172 	{
       
   173 	__ASSERT_DEBUG(iLastCommand==NULL, NetDialPanic(ELastCommandNotNull));
       
   174 	__ASSERT_DEBUG(iScriptReader!=NULL, NetDialPanic(ENullScriptReader));
       
   175 
       
   176 	__FLOG_STMT(_LIT8(logString,"Script:\tBeginning");)
       
   177 	__FLOG_STATIC(KNetDialLogFolder(),KNetDialLogFile(),logString());
       
   178 	iScriptReader->SetScript(aScript);
       
   179 	iLoopCommand->Loop(EFalse);
       
   180 	}
       
   181 
       
   182 void CScriptExecutor::ScanScriptL()
       
   183 /**
       
   184 Scans script for READ command.
       
   185 */
       
   186 	{
       
   187 	__FLOG_STMT(_LIT8(logString1,"Script:\tScanning");)
       
   188 	__FLOG_STATIC(KNetDialLogFolder(),KNetDialLogFile(),logString1());
       
   189 
       
   190 	__ASSERT_DEBUG(iScriptReader!=NULL, NetDialPanic(ENullScriptReader));
       
   191 
       
   192 	iReadFound=EFalse;
       
   193 	TInt ret=KErrNone;
       
   194 	iScriptReader->SetLoggingOff();
       
   195 	while (ret!=KErrScriptCompleted)
       
   196 		{
       
   197 		TRAP(ret,(iReadFound=iReadCommand->CheckReadL()));
       
   198 		if (iReadFound || ret!=KErrNone)
       
   199 			break;
       
   200 		ret=iScriptReader->GetNextLine();
       
   201 		}
       
   202 
       
   203 	if (iReadFound)
       
   204 		{
       
   205 		__FLOG_STMT(_LIT8(logString2,"Script:\tFound Read");)
       
   206 		__FLOG_STATIC(KNetDialLogFolder(),KNetDialLogFile(),logString2());
       
   207 		}
       
   208 	else
       
   209 		{
       
   210 		__FLOG_STMT(_LIT8(logString3,"Script:\tDid Not Find Read");)
       
   211 		__FLOG_STATIC(KNetDialLogFolder(),KNetDialLogFile(),logString3());
       
   212 		}
       
   213 
       
   214 	User::LeaveIfError(iScriptReader->Reset());
       
   215 	}
       
   216 
       
   217 void CScriptExecutor::RunScript()
       
   218 /**
       
   219 Runs script.
       
   220 */
       
   221 	{
       
   222 	iScriptIO->Start();
       
   223 	iStatus=KRequestPending;
       
   224 	SetActive();
       
   225 	}
       
   226 
       
   227 void CScriptExecutor::ProcessScript()
       
   228 /**
       
   229 Processes script line by line
       
   230 */
       
   231 	{
       
   232 	TRAPD(ret,ProcessNextLinesL());
       
   233 	if(ret!=KErrNone)
       
   234 		{
       
   235 		CompletedScript(ret);
       
   236 		}
       
   237 	}
       
   238 
       
   239 void CScriptExecutor::ProcessNextLinesL()
       
   240 /**
       
   241 If read/write not pending clear previous command.  Toggle skip mode if necessary then 
       
   242 either parse label or jump to beginning of loop or parse command as necessary.
       
   243 */
       
   244 	{
       
   245 	__ASSERT_DEBUG(iScriptReader!=NULL, NetDialPanic(ENullScriptReader));
       
   246 
       
   247 	while(!(iScriptIO->RWPending())&& !(iReadFromPctPending))
       
   248 		{
       
   249 		CleanupLastCommand();
       
   250 		iGotoCommand->ServiceSkipReqs();
       
   251 		if(iGotoCommand->ParseLabelL())
       
   252 			continue;
       
   253 		if(iLoopCommand->CheckLoopL())
       
   254 			continue;
       
   255 		
       
   256 		TInt i;
       
   257 		for(i=0;i<KNumCommands;i++)
       
   258 			{
       
   259 			if(iCommands[i]->ParseL())
       
   260 				{
       
   261 				iLastCommand=iCommands[i];
       
   262 				break;
       
   263 				}
       
   264 			}
       
   265 		if(iLastCommand==NULL)
       
   266 			User::Leave(KErrIllegalCommand);
       
   267 		}
       
   268 	}
       
   269 
       
   270 void CScriptExecutor::CompletedWrite(TInt aStatus)
       
   271 /**
       
   272 Stops script if aStatus is an error, otherwise continue to process.
       
   273 
       
   274 @param aStatus is status passed from caller.
       
   275 */
       
   276 	{
       
   277 	if((aStatus==KErrTimedOut)&&(iInitializationFlag))
       
   278 		CompletedScript(KErrExitNoModem);
       
   279 	else if((aStatus==KErrNone)||(aStatus==KErrTimedOut))
       
   280 		{
       
   281 		if (iDataToWrite.Length()>0 && !iScriptIO->WritePending())
       
   282 			{
       
   283 			iScriptIO->Write(iDataToWrite);
       
   284 			iDataToWrite.SetLength(0);
       
   285 			}
       
   286 		else
       
   287 			{
       
   288 			iInitializationFlag=EFalse;
       
   289 			if(iServerRetransmitLoginPromptStatus == ESendingCR)
       
   290 				{
       
   291 				// The previous WAIT for a login prompt timed out and we sent 
       
   292 				// a 0x0d to encourage the server to resend the login
       
   293 				// So wait for the login prompt again
       
   294 				iServerRetransmitLoginPromptStatus = ESecondWaitCommand;
       
   295 				TRAPD(ret, iDummySearchArray=new(ELeave) CLabelSearchArray(1));
       
   296 				if(ret != KErrNone)
       
   297 					{
       
   298 					iServerRetransmitLoginPromptStatus = EDeactivated;
       
   299 					ProcessScript();
       
   300 					}
       
   301 				else iScriptIO->Read(iDummySearchArray, iRetransmitLoginTimeOut);
       
   302 				}
       
   303 			else ProcessScript();
       
   304 			}
       
   305 		}
       
   306 	else	
       
   307 		CompletedScript(aStatus);
       
   308 	}
       
   309 
       
   310 void CScriptExecutor::CompletedReadL(TInt aStatus,TInt aIndex)
       
   311 /**
       
   312 Stops script if there is an error, or otherwise continue to process or jump to 
       
   313 label as ncessary.  Ignore comms line fail errors.
       
   314 
       
   315 @param aStatus is passed from caller.
       
   316 @param aIndex is index for label.
       
   317 */
       
   318 	{
       
   319 	__ASSERT_DEBUG(iScriptReader!=NULL, NetDialPanic(ENullScriptReader));
       
   320 
       
   321 	if(iServerRetransmitLoginPromptStatus == ESecondWaitCommand)
       
   322 		{
       
   323 		// We must have sent a 0x0d to try and force the server to retransmit the 
       
   324 		// login prompt
       
   325 		// Delete the dummy search array and stop the RetransmitLogin mechanism since
       
   326 		// irrespective of the outcome of the read, we're not going to send any more 0x0d
       
   327 		delete iDummySearchArray;
       
   328 		iDummySearchArray=NULL;
       
   329 		iServerRetransmitLoginPromptStatus=EDeactivated;
       
   330 		}
       
   331 
       
   332 	if(iInitializationFlag)
       
   333 		{
       
   334 		iInitializationFlag=EFalse;
       
   335 		ProcessScript();
       
   336 		}
       
   337 	else
       
   338 		{
       
   339 		switch(aStatus)
       
   340 			{
       
   341 		case KErrNone:
       
   342 				{
       
   343 				iServerRetransmitLoginPromptStatus=EDeactivated;
       
   344 				TPtrC label=iWaitCommand->LabelFromIndexL(aIndex);
       
   345 				iGotoCommand->Goto(label);
       
   346 				}
       
   347 			ProcessScript();
       
   348 			break;
       
   349 		case KErrTimedOut:
       
   350 			// If the very first WAIT script command fails it's possible that the
       
   351 			// server sent the login prompt before MM.TSY had finished with
       
   352 			// the serial port
       
   353 			// If so, we can send a 0x0d (Carriage Return) to wake it up 
       
   354 			// and re-transmit the login prompt
       
   355 			if(iServerRetransmitLoginPromptStatus == EFirstWaitCommand)
       
   356 				{
       
   357 				// Transmit a 0x0d to the server
       
   358 				iServerRetransmitLoginPromptStatus=ESendingCR;
       
   359 				TBuf8<1> CarriageReturn;
       
   360 				CarriageReturn.SetLength(1);
       
   361 				CarriageReturn[0]=0x0d;
       
   362 				TPtrC8 CR(CarriageReturn);
       
   363 				iScriptIO->Write(CR);
       
   364 				break;
       
   365 				}
       
   366 			iServerRetransmitLoginPromptStatus=EDeactivated;
       
   367 			ProcessScript();
       
   368 			break;
       
   369 		case KErrCommsLineFail:
       
   370 			iServerRetransmitLoginPromptStatus=EDeactivated;
       
   371 			ProcessScript();
       
   372 			break;
       
   373 		default:
       
   374 			iServerRetransmitLoginPromptStatus=EDeactivated;
       
   375 			CompletedScript(aStatus);
       
   376 			break;
       
   377 			}
       
   378 		}
       
   379 	}
       
   380 
       
   381 void CScriptExecutor::CompletedScript(TInt aStatus)
       
   382 /**
       
   383 If aStatus is not an error, check that not still looking for a label.
       
   384 Convert internal error to public error and finish.
       
   385 
       
   386 @param aStatus is passed from caller.
       
   387 */
       
   388 	{
       
   389 	// Safety check - this method may be called from multiple locations,
       
   390 	// possibly resulting in more than one call for the same event.
       
   391 	if (iStatus==KRequestPending)
       
   392 		{
       
   393 		__ASSERT_DEBUG(iScriptReader!=NULL, NetDialPanic(ENullScriptReader));
       
   394 
       
   395 		if(aStatus==KErrScriptCompleted)
       
   396 			aStatus=KErrNone;
       
   397 	
       
   398 		TInt error=aStatus;
       
   399 
       
   400 		__FLOG_STMT(_LIT8(logString,"Script:\tScript Completed With Error %d");)
       
   401 		__FLOG_STATIC1(KNetDialLogFolder(),KNetDialLogFile(),TRefByValue<const TDesC8>(logString()),error);
       
   402 
       
   403 		ConvertScriptError(error);
       
   404 		PctCancelAndClose();
       
   405 
       
   406 		CleanupLastCommand();
       
   407 		iLoopCommand->Loop(EFalse);
       
   408 	
       
   409 		iScriptIO->Cancel();
       
   410 
       
   411 		TRequestStatus* statusPtr=&iStatus;
       
   412 		User::RequestComplete(statusPtr,error);
       
   413 		}
       
   414 	}
       
   415 
       
   416 void CScriptExecutor::DoCancel()
       
   417 /**
       
   418 Cancel read/write, and callbacks and cleanup last command
       
   419 */
       
   420 	{
       
   421 	if(iServerRetransmitLoginPromptStatus == ESecondWaitCommand)
       
   422 		{
       
   423 		delete iDummySearchArray;
       
   424 		iDummySearchArray=NULL;
       
   425 		iServerRetransmitLoginPromptStatus=EDeactivated;
       
   426 		}
       
   427 
       
   428 	CleanupLastCommand();
       
   429 	iScriptIO->Cancel();
       
   430 	PctCancelAndClose();
       
   431 	
       
   432 	TRequestStatus* statusPtr=&iStatus;
       
   433 	User::RequestComplete(statusPtr,KErrCancel);
       
   434 	iScript->ScriptOperationComplete(KErrCancel);
       
   435 	}
       
   436 
       
   437 void CScriptExecutor::Disconnect()
       
   438 /**
       
   439 Disconect.
       
   440 */
       
   441 	{
       
   442 	iScriptIO->Disconnect();
       
   443 	}
       
   444 
       
   445 void CScriptExecutor::ReConfigureAndCancelCommPort(TRequestStatus& aStatus)
       
   446 /**
       
   447 Call ReConfigureAndCancelPort() from script IO handler.
       
   448 */
       
   449 	{
       
   450 	iScriptIO->ReConfigureAndCancelPort(aStatus);
       
   451 	}
       
   452 
       
   453 
       
   454 void CScriptExecutor::CloseScript()
       
   455 /**
       
   456 Close script.
       
   457 */
       
   458 	{
       
   459 	__FLOG_STMT(_LIT8(logString,"Script:\tClosing");)
       
   460 	__FLOG_STATIC(KNetDialLogFolder(),KNetDialLogFile(),logString());
       
   461 	if (iScriptReader!=NULL)
       
   462 		iScriptReader->Reset();		// ignore error
       
   463 	}
       
   464 
       
   465 void CScriptExecutor::Close()
       
   466 /**
       
   467 Cleanup last command, close script file, and delete all variables and labels from lists.
       
   468 */
       
   469 	{
       
   470 	CleanupLastCommand();
       
   471 
       
   472 	if (iLoopCommand!=NULL)
       
   473 		iLoopCommand->Loop(EFalse);
       
   474 
       
   475 	PctCancelAndClose();
       
   476 	CloseScript();
       
   477 
       
   478 	if (iVarMan!=NULL)
       
   479 		iVarMan->DeleteAll();
       
   480 	if (iLabelMan!=NULL)
       
   481 		iLabelMan->DeleteAll();
       
   482 	}
       
   483 
       
   484 void CScriptExecutor::SetRetransmittedLoginTimeout(TReal& aRetransmitLoginTimeOut)
       
   485 /**
       
   486 Remember the timeout used on the wait statement that is currently executing
       
   487 
       
   488 @param aRetransmitLoginTimeOut is passed from CWaitCommand.
       
   489 */
       
   490 	{
       
   491 	iRetransmitLoginTimeOut = aRetransmitLoginTimeOut;
       
   492 	if(iServerRetransmitLoginPromptStatus == EFirstWaitCommand)
       
   493 		{
       
   494 		// This is the first time we are going to wait for anything
       
   495 		// If we wait too long, the TCP/IP stack will time out so better not
       
   496 		// wait more than say 30 seconds the first time around
       
   497 		if(aRetransmitLoginTimeOut > 30)
       
   498 			aRetransmitLoginTimeOut = 30;
       
   499 		}
       
   500 	}
       
   501 
       
   502 TInt CScriptExecutor::WritePct(const TDesC8& aBuffer)
       
   503 /**
       
   504 CScriptIO calls to write incoming data to PCT. Convert the 8 bit data to
       
   505 default character set and pass up to the dialog server.
       
   506 
       
   507 @param aBuffer a reference to buffer to be written.
       
   508 @return error code from WritePct() or leave code if ConvertFromDefaultL() leaves.
       
   509 */
       
   510 	{
       
   511 	__ASSERT_DEBUG(aBuffer.Length()<=KRxBufferSize, User::Invariant());
       
   512 	TBuf<KRxBufferSize> convertedBuf;
       
   513 	TRAPD(ret, iCharConv->ConvertFromDefaultL(aBuffer,convertedBuf));
       
   514 	if (ret == KErrNone)
       
   515 		{
       
   516 		return iScript->WritePct(convertedBuf);
       
   517 		}
       
   518 	else
       
   519 		{
       
   520 		return ret;
       
   521 		}
       
   522 	}
       
   523 
       
   524 void CScriptExecutor::SetReadPctBuffer()
       
   525 /**
       
   526 This is for the test dialog server only because we can't type in the value.
       
   527 */
       
   528 	{
       
   529 	iReadBuffer.SetLength(0);
       
   530 	iReadReq++;
       
   531 	if (iReadReq==1)
       
   532 		iReadBuffer.Copy(iLoginName.Left(Min(iLoginName.Length(),3)));
       
   533 	else if (iReadReq==2)
       
   534 		{
       
   535 		if (iLoginName.Length()>3)
       
   536 			iReadBuffer.Copy(iLoginName.Right(iLoginName.Length()-3));
       
   537 		iReadBuffer.Append('.');
       
   538 		}
       
   539 	else if (iReadReq==3)
       
   540 		iReadBuffer.Copy(iLoginPass.Left(Min(iLoginPass.Length(),3)));
       
   541 	else if (iReadReq==4)
       
   542 		{
       
   543 		if (iLoginPass.Length()>3)
       
   544 			iReadBuffer.Copy(iLoginPass.Right(iLoginPass.Length()-3));
       
   545 		iReadBuffer.Append('.');
       
   546 		}
       
   547 	else if (iReadReq==5)
       
   548 		iReadBuffer.Copy(KPPPProtocolName);
       
   549 	else
       
   550 		iReadBuffer.Zero();
       
   551 	}	
       
   552 
       
   553 void CScriptExecutor::ReadPct()
       
   554 /**
       
   555 Read PCT.
       
   556 */
       
   557 	{
       
   558 	SetReadPctBuffer();
       
   559 	iScript->ReadPct(iReadBuffer);
       
   560 	iScriptIO->ReadEcho();
       
   561 	iReadFromPctPending=ETrue;
       
   562 	}
       
   563 
       
   564 void CScriptExecutor::ReadPctComplete(TInt aStatus)
       
   565 /**
       
   566 Data recived from PCT to be written to port. For unicode - need to know the
       
   567 character set it should be sent in and convert to this from  UNICODE (or whatever 
       
   568 PCT uses).  Pass to the Script IO as 8 bit.
       
   569 
       
   570 @param aStatus passed from caller.
       
   571 */
       
   572 	{
       
   573 	__ASSERT_ALWAYS(iReadFromPctPending, NetDialPanic(EIllegalReadPctComplete));
       
   574 
       
   575 	if (aStatus==KErrCancel)	// means that NetDial has called Cancel() or ClosePct() while read request outstanding
       
   576 		{
       
   577 		iReadFromPctPending=EFalse;
       
   578 		return;
       
   579 		}
       
   580 	
       
   581 	if (aStatus!=KErrNone)		// something other than KErrCancel
       
   582 		{
       
   583 		iScriptIO->ReadEchoCancel();
       
   584 		iReadFromPctPending=EFalse;
       
   585 		CompletedScript(aStatus);
       
   586 		return;
       
   587 		}
       
   588 		
       
   589 	HBufC8* buf=NULL;
       
   590 	TRAPD(ret,buf=iCharConv->ConvertL(iReadBuffer,iReadCommand->CharSet()));
       
   591 	if(ret!=KErrNone)
       
   592 		{
       
   593 		iScriptIO->ReadEchoCancel();
       
   594 		iReadFromPctPending=EFalse;
       
   595 		CompletedScript(ret);
       
   596 		return;
       
   597 		}
       
   598 	TPtr8 eightBitBuf(buf->Des());
       
   599 #ifdef __FLOG_ACTIVE
       
   600 	_LIT(logString,"Script:\tRead %S from PCT");
       
   601 	TBuf16<KLogBufferSize> temp;
       
   602 	temp.Copy(eightBitBuf.Left(Min(eightBitBuf.Length(),KLogBufferSize)));
       
   603 	__FLOG_STATIC1(KNetDialLogFolder(),KNetDialLogFile(),TRefByValue<const TDesC>(logString()),&temp);
       
   604 #endif
       
   605 	TInt end=iReadBuffer.Locate(KCarriageReturn);
       
   606 	TInt spaceInBuffer=iDataToWrite.MaxLength()-iDataToWrite.Length();
       
   607 	
       
   608 	if (end<0)
       
   609 		iDataToWrite.Append(eightBitBuf.Left(Min(spaceInBuffer,eightBitBuf.Length())));
       
   610 	else
       
   611 		iDataToWrite.Append(eightBitBuf.Left(Min(spaceInBuffer,end+1)));
       
   612 
       
   613 	if (!iScriptIO->WritePending())
       
   614 		{
       
   615 		iScriptIO->Write(iDataToWrite);
       
   616 		iDataToWrite.SetLength(0);	// clear buffer so we know it's been sent
       
   617 		}	
       
   618 
       
   619 	if (end<0)
       
   620 		{
       
   621 		SetReadPctBuffer();
       
   622 		iScript->ReadPct(iReadBuffer);
       
   623 		}
       
   624 	else
       
   625 		{
       
   626 		iScriptIO->ReadEchoCancel();
       
   627 		iReadFromPctPending=EFalse;
       
   628 		}
       
   629 
       
   630 	delete buf;
       
   631 	}
       
   632 
       
   633 void CScriptExecutor::DestroyPctNotificationReceived(TInt aStatus)
       
   634 /**
       
   635 PCT destroyed. Assume KErrNone means destroyed by user / someone else and
       
   636 otherwise we destroyed it.
       
   637 
       
   638 @param aStatus is passed from caller.
       
   639 */
       
   640 	{
       
   641 	if (aStatus==KErrNone)		// user cancelled
       
   642 		{
       
   643 		iScriptIO->Cancel();
       
   644 		iScript->CancelDialogServer();			// cancels any outstanding reads
       
   645 		CompletedScript(KErrCancel);	// this will close the PCT
       
   646 		}	
       
   647 	else
       
   648 		iScript->ClosePct();			// NetDial is in charge of closing the PCT whatever happens
       
   649 
       
   650 	}
       
   651 
       
   652 void CScriptExecutor::PctCancelAndClose()
       
   653 /**
       
   654 Cancel any outstanding requests and cancel the active object waiting on the 
       
   655 destroy notification) and close the pct
       
   656 */
       
   657 	{
       
   658 	iScript->CancelDialogServer();
       
   659 	iScript->ClosePct();
       
   660 	}
       
   661 
       
   662 void CScriptExecutor::SetVariableL(const TDesC& aName, const TDesC& aContent)
       
   663 /**
       
   664 Add variable with name aName and content aContent to list
       
   665 
       
   666 @param aName a reference to variable name.
       
   667 @param aContent a reference to content.
       
   668 */
       
   669 	{
       
   670 	iVarMan->AddVariableL(aName,aContent);
       
   671 	}
       
   672 
       
   673 void CScriptExecutor::ConfigureCommPort(TRequestStatus& aStatus, const TCommConfig& aConfiguration)
       
   674 /**
       
   675 Configure COMM port.
       
   676 
       
   677 @param aConfiguration a reference to confiquration
       
   678 @return error code from ConfigurePort().
       
   679 */
       
   680 	{
       
   681 	iScriptIO->ConfigurePort(aStatus, aConfiguration);
       
   682 	}
       
   683 
       
   684 void CScriptExecutor::DropSignals(TRequestStatus& aStatus)
       
   685 /**
       
   686 Drop signals on COMM port.
       
   687 */
       
   688 	{
       
   689 	iScriptIO->DropSignals(aStatus);
       
   690 	}
       
   691 
       
   692 void CScriptExecutor::CancelConfigureCommPort()
       
   693 /**
       
   694 Cancel Configure COMM port.
       
   695 */
       
   696 	{
       
   697 	iScriptIO->CancelConfigurePort();
       
   698 	}
       
   699 
       
   700 void CScriptExecutor::DropDTR(TRequestStatus* aStatusPtr)
       
   701 /**
       
   702 Drop DTR.
       
   703 */
       
   704 	{
       
   705 	iScriptIO->DropDTR(aStatusPtr);
       
   706 	}
       
   707 
       
   708 void CScriptExecutor::CreateChannel(TRequestStatus& aStatus)
       
   709 	{
       
   710 	ASSERT(iScriptIO);
       
   711 	iScriptIO->CreateChannel(aStatus);
       
   712 	}
       
   713 
       
   714 void CScriptExecutor::CancelCreateChannel()
       
   715 	{
       
   716 	ASSERT(iScriptIO);
       
   717 	iScriptIO->CancelCreateChannel();
       
   718 	}
       
   719 
       
   720 void CScriptExecutor::ShutdownChannel(TRequestStatus& aStatus)
       
   721 	{
       
   722 	ASSERT(iScriptIO);
       
   723 	iScriptIO->ShutdownChannel(aStatus);
       
   724 	}
       
   725 
       
   726 TInt CScriptExecutor::GetExcessData(TDes8& aBuffer)
       
   727 /**
       
   728 Get excess data.
       
   729 
       
   730 @param aBuffer a reference to excess data.
       
   731 */
       
   732 	{
       
   733 	return iScriptIO->GetExcessData(aBuffer);
       
   734 	}
       
   735 
       
   736 void CScriptExecutor::ConvertScriptError(TInt& aError) const
       
   737 /**
       
   738 Convert internal errors to KErrExitScriptError.
       
   739 
       
   740 @param a reference to error code. New value is passed back by using it.
       
   741 */
       
   742 	{
       
   743 	if(aError<KNetdialInternalErrorBase)	
       
   744 		aError=KErrExitScriptError;
       
   745 	}	
       
   746 
       
   747 void CScriptExecutor::CleanupLastCommand()
       
   748 /**
       
   749 Cleanup last command.
       
   750 */
       
   751 	{
       
   752 	if(iLastCommand!=NULL)
       
   753 		{
       
   754 		iLastCommand->Cleanup();
       
   755 		iLastCommand=NULL;
       
   756 		}
       
   757 	}
       
   758 
       
   759 void CScriptExecutor::RunL()
       
   760 /**
       
   761 Complete script operation.
       
   762 */
       
   763 	{
       
   764 	iScript->ScriptOperationComplete(iStatus.Int());
       
   765 	}
       
   766