applayerprotocols/httpexamples/httpexampleclient/httpexampleutils.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:09:52 +0200
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// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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// for StartC32()
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#include <c32comm.h>
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#include "httpexampleutils.h"
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// PDD names for the physical device drivers that are loaded in wins or arm
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#if defined (__WINS__)
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#define PDD_NAME		_L("ECDRV")
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#else
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#define PDD_NAME		_L("EUART1")
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#define PDD2_NAME		_L("EUART2")
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#define PDD3_NAME		_L("EUART3")
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#define PDD4_NAME		_L("EUART4")
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#endif
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#define LDD_NAME		_L("ECOMM")
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void CHttpExampleUtils::InitCommsL()
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	{
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	TInt ret = User::LoadPhysicalDevice(PDD_NAME);
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	User::LeaveIfError(ret == KErrAlreadyExists?KErrNone:ret);
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#ifndef __WINS__
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	ret = User::LoadPhysicalDevice(PDD2_NAME);
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	ret = User::LoadPhysicalDevice(PDD3_NAME);
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	ret = User::LoadPhysicalDevice(PDD4_NAME);
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#endif
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	ret = User::LoadLogicalDevice(LDD_NAME);
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	User::LeaveIfError(ret == KErrAlreadyExists?KErrNone:ret);
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	ret = StartC32();
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	User::LeaveIfError(ret == KErrAlreadyExists?KErrNone:ret);
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	}
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CHttpExampleUtils* CHttpExampleUtils::NewL(const TDesC& aTestName)
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	{
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	CHttpExampleUtils* me = new (ELeave) CHttpExampleUtils(aTestName);
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	return me;
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	}
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CHttpExampleUtils::CHttpExampleUtils(const TDesC& aTestName) : iTest(aTestName)
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	{
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	iTest.Start(KNullDesC);
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	}
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CHttpExampleUtils::~CHttpExampleUtils()
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	{
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	iTest.End();
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	iTest.Close();
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	}
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RTest& CHttpExampleUtils::Test()
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	{
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	return iTest;
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	}
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void CHttpExampleUtils::PressAnyKey()
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	{
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	iTest.Printf(TRefByValue<const TDesC>_L("\nPress a key"));	
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	iTest.Getch();
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	}
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TInt CHttpExampleUtils::GetSelection(const TDesC& aPrompt, const TDesC& aValidChoices)
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	//
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	//	Present the user with a list of options, and get their selection
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	{
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	TKeyCode key = EKeyNull;
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	iTest.Console()->SetPos (0, iTest.Console()->WhereY ());
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	iTest.Console()->Printf(_L("%S "), &aPrompt);
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	iTest.Console()->Printf(_L("[%S] :"), &aValidChoices);
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	TInt retVal = KErrNotFound;
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	while (retVal == KErrNotFound)
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		{
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		key = iTest.Getch();
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		// Check that key is in the list of valid choices
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		retVal = aValidChoices.Locate((TChar)key);
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		}
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	iTest.Console()->Printf(_L("%c\n\n"), key);
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	return retVal;
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	}
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void CHttpExampleUtils::LogIt(TRefByValue<const TDesC> aFmt, ...)
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	{
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	VA_LIST list;
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	VA_START(list,aFmt);
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	TBuf<KMaxFileName + 4> buf; // 4 for the log prompt
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	buf.Zero();
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	buf.Append(_L(">  "));
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	buf.AppendFormatList(aFmt,list);
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	VA_END(list);
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	iTest.Printf(_L("%S\n"), &buf);	
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	}
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   115
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   116
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void CHttpExampleUtils::GetAnEntry(const TDesC& ourPrompt, TDes& currentstring)
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	{
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	TBuf16<KMaxUserEntrySize> ourLine;
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	TBuf<KMaxUserEntrySize> tempstring;	//tempstring is a unicode descriptor
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										//create a temporary buffer where the
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										//unicode strings are stored in order to 
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										//be displayed
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	ourLine.Zero ();
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	tempstring.Copy(currentstring);		//Copy current string to Unicode buffer
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	TKeyCode key = EKeyNull;						//current string buffer is 8 bits wide.
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										//Unicode string bufffer (tempstring) is 16 bits wide.
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	FOREVER
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		{
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		if (ourLine.Length () == 0)
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			{
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			iTest.Console()->SetPos (0, iTest.Console()->WhereY ());
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			iTest.Console()->Printf (_L ("%S"), &ourPrompt);
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			if (tempstring.Length () != 0)						//get tempstring's number of items
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				iTest.Console()->Printf (_L (" = %S"), &tempstring);	//if not zero print them to iTest.Console()
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			iTest.Console()->Printf (_L (" : "));
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			iTest.Console()->ClearToEndOfLine ();
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			}
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		key = iTest.Getch();
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   140
		
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		  if (key == EKeyBackspace)
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				{
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					if (ourLine.Length() !=0)
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					{
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						ourLine.SetLength(ourLine.Length()-1);
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						iTest.Console()->Printf (_L ("%c"), key);
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						iTest.Console()->SetPos(iTest.Console()->WhereX(),iTest.Console()->WhereY());
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						iTest.Console()->ClearToEndOfLine();
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					}	// end if (ourLine.Length() !=0)
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				}	// end if (key == KeyBackSpace)
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   151
		  
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   152
		  		  
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		  if (key == EKeyDelete) 			
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				{
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					ourLine.Zero();
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					iTest.Console()->SetPos (0, iTest.Console()->WhereY ());
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					iTest.Console()->ClearToEndOfLine ();
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					tempstring.Copy(ourLine);
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					break;
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				}
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   161
		  
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		  if (key == EKeyEnter)
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			break;
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   164
		
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		  if (key < ' ') // ascii code thats not a printable character
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			{
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			continue;
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   168
			}
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   169
		
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		ourLine.Append (key);
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		iTest.Console()->Printf (_L ("%c"), key);
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		iTest.Console()->SetPos(iTest.Console()->WhereX(),iTest.Console()->WhereY());
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		iTest.Console()->ClearToEndOfLine();
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		if (ourLine.Length () == ourLine.MaxLength ())
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			break;
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		}	// end of for statement
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   177
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	if ((key == EKeyEnter) && (ourLine.Length () == 0))
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		tempstring.Copy (currentstring);				//copy contents of 8 bit "ourLine" descriptor
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   180
	
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	iTest.Console()->SetPos (0, iTest.Console()->WhereY ());		
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	iTest.Console()->ClearToEndOfLine ();
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   183
	
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	if ((key == EKeyEnter) && (ourLine.Length() !=0))
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		tempstring.Copy(ourLine);
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	if (tempstring.Length () != 0)						//if temstring length is not zero
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   187
		{
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		iTest.Console()->Printf (_L (" Entered = %S\n"), &tempstring);	//print the contents to iTest.Console()
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		LogIt(_L ("%S = %S\n"), &ourPrompt, &tempstring);
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		}
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   191
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	iTest.Console()->Printf (_L ("\n"));
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	currentstring.Copy(tempstring);						//copy 16 bit tempstring descriptor back 
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   194
	}