/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Handles the commands "AT+CLAC?" and "AT+CLAC"
*
*/
#include "lclistallcmd.h"
#include "debug.h"
const TInt KCrLfLength = 2; // CR+LF
const TInt KOkReplyLength = 6; // CR+LF+"OK"+CR+LF
_LIT8( KClacCmd, "AT+CLAC" );
// ---------------------------------------------------------------------------
// Two-phased constructor.
// ---------------------------------------------------------------------------
//
CLcListAllCmd* CLcListAllCmd::NewL( MLcCustomPlugin* aCallback )
{
CLcListAllCmd* self = new (ELeave) CLcListAllCmd( aCallback );
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop( self );
return self;
}
// ---------------------------------------------------------------------------
// Destructor.
// ---------------------------------------------------------------------------
//
CLcListAllCmd::~CLcListAllCmd()
{
}
// ---------------------------------------------------------------------------
// CLcListAllCmd::CLcListAllCmd
// ---------------------------------------------------------------------------
//
CLcListAllCmd::CLcListAllCmd( MLcCustomPlugin* aCallback ) :
iCallback( aCallback )
{
iCmdHandlerType = ECmdHandlerTypeUndefined;
}
// ---------------------------------------------------------------------------
// CLcListAllCmd::ConstructL
// ---------------------------------------------------------------------------
//
void CLcListAllCmd::ConstructL()
{
if ( !iCallback )
{
User::Leave( KErrGeneral );
}
}
// ---------------------------------------------------------------------------
// Checks command types
// ---------------------------------------------------------------------------
//
TBool CLcListAllCmd::CheckCommand( const TDesC8& aCmd )
{
TRACE_FUNC_ENTRY
// The AT+CLAC command supports two types: base and test
iCmdHandlerType = iCallback->CheckCommandType( KClacCmd, aCmd );
if ( iCmdHandlerType==ECmdHandlerTypeBase ||
iCmdHandlerType==ECmdHandlerTypeTest )
{
iDetectedCmd = EDetectedCmdCLAC;
TRACE_FUNC_EXIT
return ETrue;
}
TRACE_FUNC_EXIT
return EFalse;
}
// ---------------------------------------------------------------------------
// Reports the support status of an AT command. This is a synchronous API.
// ---------------------------------------------------------------------------
//
TBool CLcListAllCmd::IsCommandSupported( const TDesC8& aCmd )
{
TRACE_FUNC_ENTRY
// Set all to undefined if either the command or its type is unknown
// HandleCommand() should be round only when both are set
TBool cmdUnderstood = CheckCommand( aCmd );
if ( cmdUnderstood )
{
TRACE_FUNC_EXIT
return ETrue;
}
iCmdHandlerType = ECmdHandlerTypeUndefined;
iDetectedCmd = EDetectedCmdUndefined;
TRACE_FUNC_EXIT
return EFalse;
}
// ---------------------------------------------------------------------------
// Handles an AT command. Cancelling of the pending request is done by
// HandleCommandCancel(). The implementation in the extension plugin should
// be asynchronous.
// ---------------------------------------------------------------------------
//
void CLcListAllCmd::HandleCommand( const TDesC8& /*aCmd*/,
RBuf8& /*aReply*/,
TBool aReplyNeeded )
{
TRACE_FUNC_ENTRY
if ( !aReplyNeeded )
{
TRACE_FUNC_EXIT
return;
}
if ( iCmdHandlerType == ECmdHandlerTypeTest )
{
iCallback->CreateReplyAndComplete( EReplyTypeOk );
TRACE_FUNC_EXIT
return;
}
// Else here means ECmdHandlerTypeBase
// First check the quiet mode and verbose mode.
// These are handled in CreateReplyAndComplete()
TInt retTemp;
TBool quietMode = EFalse;
retTemp = iCallback->GetModeValue( EModeTypeQuiet, quietMode );
if ( retTemp != KErrNone )
{
iCallback->CreateReplyAndComplete( EReplyTypeError );
TRACE_FUNC_EXIT
return;
}
RBuf8 reply;
if ( quietMode )
{
iCallback->CreateReplyAndComplete( EReplyTypeOther, reply );
reply.Close();
TRACE_FUNC_EXIT
return;
}
TBool error = CreateSupportedList( reply );
if ( error )
{
iCallback->CreateReplyAndComplete( EReplyTypeError );
reply.Close();
TRACE_FUNC_EXIT
return;
}
RBuf8 okReply;
iCallback->CreateOkOrErrorReply( okReply, ETrue );
reply.Append( okReply );
okReply.Close();
iCallback->CreateReplyAndComplete( EReplyTypeOther, reply );
reply.Close();
TRACE_FUNC_EXIT
}
// ---------------------------------------------------------------------------
// Cancels a pending HandleCommand request.
// ---------------------------------------------------------------------------
//
void CLcListAllCmd::HandleCommandCancel()
{
TRACE_FUNC_ENTRY
TRACE_FUNC_EXIT
}
// ---------------------------------------------------------------------------
// Creates a linearized list of supported commands
// ---------------------------------------------------------------------------
//
TBool CLcListAllCmd::CreateSupportedList( RBuf8& aReply )
{
TRACE_FUNC_ENTRY
// First get the unsorted list from ATEXT
RPointerArray<HBufC8> commands;
iCallback->GetSupportedCommands( commands );
// Next linearize the list for a reply
if ( commands.Count() <= 0 )
{
commands.Close();
TRACE_FUNC_EXIT
return EFalse;
}
TInt i;
TInt linearSize = KOkReplyLength;
TInt count = commands.Count();
for ( i=0; i<count; i++ )
{
linearSize += (*commands[i]).Length();
if ( i < count-1 )
{
linearSize += KCrLfLength;
}
}
linearSize += KCrLfLength;
// Now we have the length of the linear region,
// use that to create the reply
TChar carriageReturn;
TChar lineFeed;
TInt retTemp;
retTemp = aReply.Create( linearSize );
retTemp |= iCallback->GetCharacterValue( ECharTypeCR, carriageReturn );
retTemp |= iCallback->GetCharacterValue( ECharTypeLF, lineFeed );
if ( retTemp != KErrNone )
{
commands.ResetAndDestroy();
commands.Close();
TRACE_FUNC_EXIT
return ETrue;
}
for ( i=0; i<count; i++ )
{
aReply.Append( *commands[i] );
if ( i < count-1 )
{
aReply.Append( carriageReturn );
aReply.Append( lineFeed );
}
}
aReply.Append( carriageReturn );
aReply.Append( lineFeed );
// Delete the array as it is no longer needed
commands.ResetAndDestroy();
commands.Close();
TRACE_FUNC_EXIT
return EFalse;
}