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/*
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* Copyright (c) 2009-2010 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: AT command handler and notifier
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*
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*/
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/*
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* Points to consider:
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* - Each of the AT commands sent to ATEXT are converted to upper case form.
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* Thus the ATEXT plugins don't need to check for case. The conversion to
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* upper case form stops when carriage return or '=' character is found.
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*/
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/*
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* This file has the following functionality:
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* 1) Line buffer filler:
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* AddDataForParsing(), ManagePartialCommand(), ExtractLineFromInputBuffer(),
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* etc. This buffer is used for parsing. These functions are used for
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* splitter-combiner logic described below. CDunAtCmdPusher is used
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* separately for each element in the line buffer.
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* 2) Parser and splitter-combiner to handle the separater elements (subcommands)
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* in the line buffer. When end of line is detected, iEndIndex is used to
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* extract the next line in iInput to the line buffer (ManageEndOfCmdHandling()
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* and ExtractLineFromInputBuffer()).
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* 3) When end of iEndIndex is found (ExtractLineFromInputBuffer()), more data
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* is asked from CDunUpstream.
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* Note: There is separate handling for "one character input data" and "A/"
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* command handling which should be supported only for one line based data
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* (ManagePartialCommand()).
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*/
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/*
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* The AT command handling is splitted to two parts on high level:
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* 1) Splitter: splitting the sub-commands in a command line to multiple ones
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* for ATEXT to process.
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* 2) Combiner: combining the replies coming from ATEXT using a filter
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* (the filter categories are explained in DunAtCmdPusher.cpp)
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*/
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/*
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* Note1: This file uses AT command parsing based on heuristics.
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* Refer to test specification if planning to change the heuristic.
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* Note2: Input buffer management (ExtractLineFromInputBuffer()) can be tested
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* with non-line based terminals such as HyperTerminal or Realterm.
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*/
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#include "DunAtCmdHandler.h"
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#include "DunAtUrcHandler.h"
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#include "DunDownstream.h"
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#include "DunDebug.h"
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const TInt8 KDunCancel = 24; // Used for line editing, cancel character
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const TInt8 KDunEscape = 27; // Used for editor ending, escape character
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CDunAtCmdHandler* CDunAtCmdHandler::NewL(
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MDunAtCmdStatusReporter* aUpstream,
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MDunStreamManipulator* aDownstream,
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const TDesC8* aConnectionName )
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{
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CDunAtCmdHandler* self = new (ELeave) CDunAtCmdHandler(
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aUpstream,
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aDownstream,
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aConnectionName );
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop( self );
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return self;
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}
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtCmdHandler::~CDunAtCmdHandler()
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::~CDunAtCmdHandler()") ));
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ResetData();
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FTRACE(FPrint( _L("CDunAtCmdHandler::~CDunAtCmdHandler() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Resets data to initial values
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CDunAtCmdHandler::ResetData()
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::ResetData()") ));
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// APIs affecting this:
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// IssueRequest()
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Stop();
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// NewL()
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DeletePluginHandlers();
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delete iCmdEchoer;
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iCmdEchoer = NULL;
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delete iNvramListen;
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iNvramListen = NULL;
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delete iModeListen;
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iModeListen = NULL;
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delete iEcomListen;
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iEcomListen = NULL;
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delete iAtSpecialCmdHandler;
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iAtSpecialCmdHandler = NULL;
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if ( iAtCmdExtCommon.Handle() )
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{
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iAtCmdExtCommon.SynchronousClose();
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iAtCmdExtCommon.Close();
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}
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if ( iAtCmdExt.Handle() )
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{
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iAtCmdExt.SynchronousClose();
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iAtCmdExt.Close();
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}
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iSpecials.ResetAndDestroy();
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iSpecials.Close();
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// AddCmdModeCallback()
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iCmdCallbacks.Close();
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// Internal
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Initialize();
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FTRACE(FPrint( _L("CDunAtCmdHandler::ResetData() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Adds callback for command mode notification
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// The callback will be called when command mode starts or ends
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CDunAtCmdHandler::AddCmdModeCallback( MDunCmdModeMonitor* aCallback )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddCmdModeCallback()" ) ));
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if ( !aCallback )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddCmdModeCallback() (aCallback) not initialized!" ) ));
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return KErrGeneral;
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}
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TInt retTemp = iCmdCallbacks.Find( aCallback );
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if ( retTemp != KErrNotFound )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddCmdModeCallback() (already exists) complete" ) ));
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return KErrAlreadyExists;
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}
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retTemp = iCmdCallbacks.Append( aCallback );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddCmdModeCallback() (append failed!) complete" ) ));
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return retTemp;
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}
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddCmdModeCallback() complete" ) ));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Adds data for parsing and parses if necessary
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CDunAtCmdHandler::AddDataForParsing( TDesC8& aInput,
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TBool& aMoreNeeded )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddDataForParsing()") ));
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddDataForParsing() received (%d bytes):"), aInput.Length() ));
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FTRACE(FPrintRaw(aInput) );
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TBool editorMode = iCmdPusher->EditorMode();
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if ( editorMode )
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{
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// Note: return here with "no more data needed" and some error to fool
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// CDunUpstream into not reissuing the read request.
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iCmdPusher->IssueRequest( aInput, EFalse );
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aMoreNeeded = EFalse;
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return KErrGeneral;
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}
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iInput = &aInput; // iInput only for normal mode
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// Manage partial AT command
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TBool moreNeeded = ManagePartialCommand();
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if ( moreNeeded )
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{
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aMoreNeeded = ETrue;
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddDataForParsing() (more partial) complete") ));
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return KErrNone;
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}
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if ( iHandleState != EDunStateIdle )
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{
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aMoreNeeded = EFalse;
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ManageEndOfCmdHandling( EFalse, EFalse );
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddDataForParsing() (not ready) complete") ));
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return KErrNotReady;
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}
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TBool pushStarted = HandleASlashCommand();
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if ( pushStarted )
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{
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// Note: return here with "partial input" status to fool CDunUpstream
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// into reissuing the read request. The AT command has not really
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// started yet so this is necessary.
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aMoreNeeded = ETrue;
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ManageEndOfCmdHandling( EFalse, EFalse );
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddDataForParsing() (A/) complete") ));
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return KErrNone;
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}
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iHandleState = EDunStateAtCmdHandling;
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iDecodeInfo.iFirstDecode = ETrue;
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iDecodeInfo.iDecodeIndex = 0;
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iDecodeInfo.iPrevExists = EFalse;
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iParseInfo.iLimit = KErrNotFound;
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iParseInfo.iSendBuffer.Zero();
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iEditorModeInfo.iContentFound = EFalse;
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HandleNextSubCommand();
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FTRACE(FPrint( _L("CDunAtCmdHandler::AddDataForParsing() complete") ));
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aMoreNeeded = EFalse;
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Manages request to abort command handling
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CDunAtCmdHandler::ManageAbortRequest()
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::ManageAbortRequest()") ));
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// Just forward the request, do no other own processing
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TInt retVal = iCmdPusher->ManageAbortRequest();
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FTRACE(FPrint( _L("CDunAtCmdHandler::ManageAbortRequest() complete") ));
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return retVal;
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}
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// ---------------------------------------------------------------------------
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// Sends a character to be echoed
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CDunAtCmdHandler::SendEchoCharacter( const TDesC8* aInput,
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MDunAtCmdEchoer* aCallback )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::SendEchoCharacter()") ));
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TInt retVal = iCmdEchoer->SendEchoCharacter( aInput, aCallback );
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FTRACE(FPrint( _L("CDunAtCmdHandler::SendEchoCharacter() complete") ));
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return retVal;
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}
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// ---------------------------------------------------------------------------
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// Stops sending of AT command from parse buffer
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CDunAtCmdHandler::Stop()
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::Stop()") ));
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// Only stop iCmdPusher here, not iUrcHandlers!
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if ( iHandleState != EDunStateAtCmdHandling )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::Stop() (not ready) complete" )));
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return KErrNotReady;
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}
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iCmdPusher->Stop();
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// The line below is used in the case when this function is called by
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// CDunUpstream as a result of "data mode ON" change notification.
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// In this case it is possible that HandleNextSubCommand() returns
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// without resetting the iSendBuffer because of the way it checks the
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// iHandleState.
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ManageEndOfCmdHandling( ETrue, EFalse );
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FTRACE(FPrint( _L("CDunAtCmdHandler::Stop() complete") ));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Starts URC message handling
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CDunAtCmdHandler::StartUrc()
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::StartUrc()") ));
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TInt i;
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TInt count = iUrcHandlers.Count();
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for ( i=0; i<count; i++ )
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{
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TInt retTemp = iUrcHandlers[i]->IssueRequest();
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if ( retTemp!=KErrNone && retTemp!=KErrNotReady )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::StartUrc() (ERROR) complete") ));
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return retTemp;
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}
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}
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FTRACE(FPrint( _L("CDunAtCmdHandler::StartUrc() complete") ));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Stops URC message handling
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CDunAtCmdHandler::StopUrc()
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::StopUrc()") ));
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TInt i;
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TInt retVal = KErrNone;
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TInt count = iUrcHandlers.Count();
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for ( i=0; i<count; i++ )
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{
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retVal = iUrcHandlers[i]->Stop();
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}
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FTRACE(FPrint( _L("CDunAtCmdHandler::StopUrc() complete") ));
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return retVal;
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}
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// ---------------------------------------------------------------------------
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// CDunAtCmdHandler::CDunAtCmdHandler
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// ---------------------------------------------------------------------------
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//
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CDunAtCmdHandler::CDunAtCmdHandler( MDunAtCmdStatusReporter* aUpstream,
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MDunStreamManipulator* aDownstream,
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const TDesC8* aConnectionName ) :
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iUpstream( aUpstream ),
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iDownstream( aDownstream ),
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iConnectionName( aConnectionName )
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{
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Initialize();
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}
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// ---------------------------------------------------------------------------
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// CDunAtCmdHandler::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CDunAtCmdHandler::ConstructL()
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::ConstructL()") ));
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if ( !iUpstream || !iDownstream || !iConnectionName )
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{
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User::Leave( KErrGeneral );
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}
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// Connect to AT command extension (must succeed)
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TInt retTemp = KErrNone;
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CleanupClosePushL( iAtCmdExt );
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retTemp = iAtCmdExt.Connect( EDunATExtension, *iConnectionName );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L("CDunAtCmdHandler::ConstructL() connect (%d)"), retTemp));
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User::Leave( retTemp );
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}
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CleanupClosePushL( iAtCmdExtCommon );
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|
350 |
retTemp = iAtCmdExtCommon.Connect( *iConnectionName );
|
|
|
351 |
if ( retTemp != KErrNone )
|
|
|
352 |
{
|
|
|
353 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ConstructL() common connect (%d)"), retTemp));
|
|
|
354 |
User::Leave( retTemp );
|
|
|
355 |
}
|
|
|
356 |
// Create the array of special commands
|
|
|
357 |
CreateSpecialCommandsL();
|
|
|
358 |
// Create the plugin handlers
|
|
|
359 |
CreatePluginHandlersL();
|
|
|
360 |
// Create the echo handler
|
|
|
361 |
iCmdEchoer = CDunAtCmdEchoer::NewL( iDownstream );
|
|
|
362 |
// Create the listeners
|
|
|
363 |
iEcomListen = CDunAtEcomListen::NewL( &iAtCmdExt, this );
|
|
|
364 |
iModeListen = CDunAtModeListen::NewL( &iAtCmdExtCommon, this );
|
|
|
365 |
iNvramListen = CDunAtNvramListen::NewL( &iAtCmdExt, &iAtCmdExtCommon );
|
|
|
366 |
iAtSpecialCmdHandler = CDunAtSpecialCmdHandler::NewL();
|
|
|
367 |
// Set the default modes (+report) and characters
|
|
|
368 |
GetAndSetDefaultSettingsL();
|
|
|
369 |
// Start listening
|
|
|
370 |
iEcomListen->IssueRequest();
|
|
|
371 |
iModeListen->IssueRequest();
|
|
|
372 |
iNvramListen->IssueRequest();
|
|
|
373 |
CleanupStack::Pop( &iAtCmdExtCommon );
|
|
|
374 |
CleanupStack::Pop( &iAtCmdExt );
|
|
|
375 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ConstructL() complete") ));
|
|
|
376 |
}
|
|
|
377 |
|
|
|
378 |
// ---------------------------------------------------------------------------
|
|
|
379 |
// Initializes this class
|
|
|
380 |
// ---------------------------------------------------------------------------
|
|
|
381 |
//
|
|
|
382 |
void CDunAtCmdHandler::Initialize()
|
|
|
383 |
{
|
|
|
384 |
// Don't initialize iUpstream here (it is set through NewL)
|
|
|
385 |
// Don't initialize iDownstream here (it is set through NewL)
|
|
|
386 |
// Don't initialize iConnectionName here (it is set through NewL)
|
|
|
387 |
iHandleState = EDunStateIdle;
|
|
|
388 |
iCarriageReturn = 0;
|
|
|
389 |
iLineFeed = 0;
|
|
|
390 |
iBackspace = 0;
|
|
|
391 |
iInput = NULL;
|
|
|
392 |
iDecodeInfo.iFirstDecode = ETrue;
|
|
|
393 |
iDecodeInfo.iDecodeIndex = KErrNotFound;
|
|
|
394 |
iDecodeInfo.iExtendedIndex = KErrNotFound;
|
|
|
395 |
iDecodeInfo.iPrevChar = 0;
|
|
|
396 |
iDecodeInfo.iPrevExists = EFalse;
|
|
|
397 |
iDecodeInfo.iAssignFound = EFalse;
|
|
|
398 |
iDecodeInfo.iInQuotes = EFalse;
|
|
|
399 |
iDecodeInfo.iSpecialFound = EFalse;
|
|
|
400 |
iDecodeInfo.iCmdsHandled = 0;
|
|
|
401 |
iEditorModeInfo.iContentFound = EFalse;
|
|
|
402 |
iCmdPusher = NULL;
|
|
|
403 |
iEcomListen = NULL;
|
|
|
404 |
iModeListen = NULL;
|
|
|
405 |
iNvramListen = NULL;
|
|
|
406 |
iDataMode = EFalse;
|
|
|
407 |
iEchoOn = EFalse;
|
|
|
408 |
iQuietOn = EFalse;
|
|
|
409 |
iVerboseOn = EFalse;
|
|
|
410 |
iEndIndex = KErrNotFound;
|
|
|
411 |
}
|
|
|
412 |
|
|
|
413 |
// ---------------------------------------------------------------------------
|
|
|
414 |
// Creates plugin handlers for this class
|
|
|
415 |
// ---------------------------------------------------------------------------
|
|
|
416 |
//
|
|
|
417 |
void CDunAtCmdHandler::CreatePluginHandlersL()
|
|
|
418 |
{
|
|
|
419 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CreatePluginHandlersL()") ));
|
|
|
420 |
if ( !iAtCmdExt.Handle() )
|
|
|
421 |
{
|
|
|
422 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CreatePluginHandlersL() complete") ));
|
|
|
423 |
User::Leave( KErrGeneral );
|
|
|
424 |
}
|
|
|
425 |
// First create the command reply pusher
|
|
|
426 |
CDunAtCmdPusher* cmdPusher = CDunAtCmdPusher::NewLC( &iAtCmdExt,
|
|
|
427 |
this,
|
|
|
428 |
iDownstream,
|
|
|
429 |
&iOkBuffer );
|
|
|
430 |
// Next create the URC handlers
|
|
|
431 |
TInt i;
|
|
|
432 |
TInt numOfPlugins = iAtCmdExt.NumberOfPlugins();
|
|
|
433 |
for ( i=0; i<numOfPlugins; i++ )
|
|
|
434 |
{
|
|
|
435 |
AddOneUrcHandlerL();
|
|
|
436 |
}
|
|
|
437 |
CleanupStack::Pop( cmdPusher );
|
|
|
438 |
iCmdPusher = cmdPusher;
|
|
|
439 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CreatePluginHandlersL() complete") ));
|
|
|
440 |
}
|
|
|
441 |
|
|
|
442 |
// ---------------------------------------------------------------------------
|
|
|
443 |
// Creates an array of special commands
|
|
|
444 |
// ---------------------------------------------------------------------------
|
|
|
445 |
//
|
|
|
446 |
void CDunAtCmdHandler::CreateSpecialCommandsL()
|
|
|
447 |
{
|
|
|
448 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CreateSpecialCommandsL()") ));
|
|
|
449 |
TInt retTemp = KErrNone;
|
|
|
450 |
TBool firstSearch = ETrue;
|
|
|
451 |
for ( ;; )
|
|
|
452 |
{
|
|
|
453 |
// Let's borrow iLineBuffer for this purpose
|
|
|
454 |
retTemp = iAtCmdExt.GetNextSpecialCommand( iLineBuffer, firstSearch );
|
|
|
455 |
if ( retTemp != KErrNone )
|
|
|
456 |
{
|
|
|
457 |
break;
|
|
|
458 |
}
|
|
|
459 |
TInt lineLength = iLineBuffer.Length();
|
|
|
460 |
HBufC8* specialCmd = HBufC8::NewMaxLC( lineLength );
|
|
|
461 |
*specialCmd = iLineBuffer;
|
|
|
462 |
iSpecials.AppendL( specialCmd );
|
|
|
463 |
CleanupStack::Pop( specialCmd );
|
|
|
464 |
}
|
|
|
465 |
iLineBuffer.Zero();
|
|
|
466 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CreateSpecialCommandsL() complete") ));
|
|
|
467 |
}
|
|
|
468 |
|
|
|
469 |
// ---------------------------------------------------------------------------
|
|
|
470 |
// Recreates special command data.
|
|
|
471 |
// This is done when a plugin is installed or uninstalled.
|
|
|
472 |
// ---------------------------------------------------------------------------
|
|
|
473 |
//
|
|
|
474 |
TInt CDunAtCmdHandler::RecreateSpecialCommands()
|
|
|
475 |
{
|
|
|
476 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RecreateSpecialCommands()") ));
|
|
|
477 |
iSpecials.ResetAndDestroy();
|
|
|
478 |
TRAPD( retTrap, CreateSpecialCommandsL() );
|
|
|
479 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RecreateSpecialCommands() complete") ));
|
|
|
480 |
return retTrap;
|
|
|
481 |
}
|
|
|
482 |
|
|
|
483 |
// ---------------------------------------------------------------------------
|
|
|
484 |
// Gets default settings from RATExtCommon and sets them to RATExt
|
|
|
485 |
// ---------------------------------------------------------------------------
|
|
|
486 |
//
|
|
|
487 |
void CDunAtCmdHandler::GetAndSetDefaultSettingsL()
|
|
|
488 |
{
|
|
|
489 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetAndSetDefaultSettingsL()") ));
|
|
|
490 |
// Note: Let's assume command mode is off by default
|
|
|
491 |
TUint modeSet = GetCurrentModeL( KModeEcho | KModeQuiet | KModeVerbose );
|
|
|
492 |
iEchoOn = ( modeSet & KEchoModeBase ) ? ETrue : EFalse;
|
|
|
493 |
iQuietOn = ( modeSet & KQuietModeBase ) ? ETrue : EFalse;
|
|
|
494 |
iVerboseOn = ( modeSet & KVerboseModeBase ) ? ETrue : EFalse;
|
|
|
495 |
iCarriageReturn = GetCurrentModeL( KModeCarriage );
|
|
|
496 |
iLineFeed = GetCurrentModeL( KModeLineFeed );
|
|
|
497 |
iBackspace = GetCurrentModeL( KModeBackspace );
|
|
|
498 |
iAtCmdExt.ReportQuietModeChange( iQuietOn );
|
|
|
499 |
iAtCmdExt.ReportVerboseModeChange( iVerboseOn );
|
|
|
500 |
iAtCmdExt.ReportCharacterChange( ECharTypeCarriage, iCarriageReturn );
|
|
|
501 |
iAtCmdExt.ReportCharacterChange( ECharTypeLineFeed, iLineFeed );
|
|
|
502 |
iAtCmdExt.ReportCharacterChange( ECharTypeBackspace, iBackspace );
|
|
|
503 |
RegenerateReplyStrings();
|
|
|
504 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetAndSetDefaultSettingsL() settings: E=%d, Q=%d, V=%d"), iEchoOn, iQuietOn, iVerboseOn ));
|
|
|
505 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetAndSetDefaultSettingsL() settings: CR=%u, LF=%u, BS=%u"), iCarriageReturn, iLineFeed, iBackspace ));
|
|
|
506 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetAndSetDefaultSettingsL() complete") ));
|
|
|
507 |
}
|
|
|
508 |
|
|
|
509 |
// ---------------------------------------------------------------------------
|
|
|
510 |
// Regenerates the reply strings based on settings
|
|
|
511 |
// ---------------------------------------------------------------------------
|
|
|
512 |
//
|
|
|
513 |
TBool CDunAtCmdHandler::RegenerateReplyStrings()
|
|
|
514 |
{
|
|
|
515 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateReplyStrings()") ));
|
|
|
516 |
TBool retVal = EFalse;
|
|
|
517 |
retVal |= RegenerateOkReply();
|
|
|
518 |
retVal |= RegenerateErrorReply();
|
|
|
519 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateReplyStrings() complete") ));
|
|
|
520 |
return retVal;
|
|
|
521 |
}
|
|
|
522 |
|
|
|
523 |
// ---------------------------------------------------------------------------
|
|
|
524 |
// Regenerates the ok reply based on settings
|
|
|
525 |
// ---------------------------------------------------------------------------
|
|
|
526 |
//
|
|
|
527 |
TBool CDunAtCmdHandler::RegenerateOkReply()
|
|
|
528 |
{
|
|
|
529 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateOkReply()") ));
|
|
|
530 |
if ( iDownstream->IsDataInQueue(&iOkBuffer) )
|
|
|
531 |
{
|
|
|
532 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateOkReply() (in queue!) complete") ));
|
|
|
533 |
return iQuietOn;
|
|
|
534 |
}
|
|
|
535 |
iOkBuffer.Zero();
|
|
|
536 |
if ( iQuietOn )
|
|
|
537 |
{
|
|
|
538 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateOkReply() (quiet) complete") ));
|
|
|
539 |
return ETrue;
|
|
|
540 |
}
|
|
|
541 |
if ( iVerboseOn )
|
|
|
542 |
{
|
|
|
543 |
_LIT8( KVerboseOk, "OK" );
|
|
|
544 |
iOkBuffer.Append( iCarriageReturn );
|
|
|
545 |
iOkBuffer.Append( iLineFeed );
|
|
|
546 |
iOkBuffer.Append( KVerboseOk );
|
|
|
547 |
iOkBuffer.Append( iCarriageReturn );
|
|
|
548 |
iOkBuffer.Append( iLineFeed );
|
|
|
549 |
}
|
|
|
550 |
else
|
|
|
551 |
{
|
|
|
552 |
_LIT8( KNumericOk, "0" );
|
|
|
553 |
iOkBuffer.Append( KNumericOk );
|
|
|
554 |
iOkBuffer.Append( iCarriageReturn );
|
|
|
555 |
}
|
|
|
556 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateOkReply() complete") ));
|
|
|
557 |
return EFalse;
|
|
|
558 |
}
|
|
|
559 |
|
|
|
560 |
// ---------------------------------------------------------------------------
|
|
|
561 |
// Regenerates the error reply based on settings
|
|
|
562 |
// ---------------------------------------------------------------------------
|
|
|
563 |
//
|
|
|
564 |
TBool CDunAtCmdHandler::RegenerateErrorReply()
|
|
|
565 |
{
|
|
|
566 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateErrorReply()") ));
|
|
|
567 |
if ( iDownstream->IsDataInQueue(&iErrorBuffer) )
|
|
|
568 |
{
|
|
|
569 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateErrorReply() (in queue!) complete") ));
|
|
|
570 |
return iQuietOn;
|
|
|
571 |
}
|
|
|
572 |
iErrorBuffer.Zero();
|
|
|
573 |
if ( iQuietOn )
|
|
|
574 |
{
|
|
|
575 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateErrorReply() (quiet) complete") ));
|
|
|
576 |
return ETrue;
|
|
|
577 |
}
|
|
|
578 |
if ( iVerboseOn )
|
|
|
579 |
{
|
|
|
580 |
_LIT8( KVerboseError, "ERROR" );
|
|
|
581 |
iErrorBuffer.Append( iCarriageReturn );
|
|
|
582 |
iErrorBuffer.Append( iLineFeed );
|
|
|
583 |
iErrorBuffer.Append( KVerboseError );
|
|
|
584 |
iErrorBuffer.Append( iCarriageReturn );
|
|
|
585 |
iErrorBuffer.Append( iLineFeed );
|
|
|
586 |
}
|
|
|
587 |
else
|
|
|
588 |
{
|
|
|
589 |
_LIT8( KNumericError, "4" );
|
|
|
590 |
iErrorBuffer.Append( KNumericError );
|
|
|
591 |
iErrorBuffer.Append( iCarriageReturn );
|
|
|
592 |
}
|
|
|
593 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RegenerateErrorReply() complete") ));
|
|
|
594 |
return EFalse;
|
|
|
595 |
}
|
|
|
596 |
|
|
|
597 |
// ---------------------------------------------------------------------------
|
|
|
598 |
// Gets current mode
|
|
|
599 |
// ---------------------------------------------------------------------------
|
|
|
600 |
//
|
|
|
601 |
TUint CDunAtCmdHandler::GetCurrentModeL( TUint aMask )
|
|
|
602 |
{
|
|
|
603 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetCurrentModeL()") ));
|
|
|
604 |
TUint maskCheck = aMask & ( ~KSupportedModes );
|
|
|
605 |
if ( maskCheck != 0 )
|
|
|
606 |
{
|
|
|
607 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetCurrentModeL() (not supported) complete") ));
|
|
|
608 |
User::Leave( KErrNotSupported );
|
|
|
609 |
}
|
|
|
610 |
TUint newMode = 0;
|
|
|
611 |
TInt retTemp = iAtCmdExtCommon.GetMode( aMask, newMode );
|
|
|
612 |
if ( retTemp != KErrNone )
|
|
|
613 |
{
|
|
|
614 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetCurrentModeL() (ERROR) complete") ));
|
|
|
615 |
User::Leave( retTemp );
|
|
|
616 |
}
|
|
|
617 |
FTRACE(FPrint( _L("CDunAtCmdHandler::GetCurrentModeL() complete") ));
|
|
|
618 |
return newMode & (KModeChanged-1);
|
|
|
619 |
}
|
|
|
620 |
|
|
|
621 |
// ---------------------------------------------------------------------------
|
|
|
622 |
// Instantiates one URC message handling class instance and adds it to the URC
|
|
|
623 |
// message handler array
|
|
|
624 |
// ---------------------------------------------------------------------------
|
|
|
625 |
//
|
|
|
626 |
CDunAtUrcHandler* CDunAtCmdHandler::AddOneUrcHandlerL()
|
|
|
627 |
{
|
|
|
628 |
FTRACE(FPrint( _L("CDunAtCmdHandler::AddOneUrcHandlerL()") ));
|
|
|
629 |
CDunAtUrcHandler* urcHandler = CDunAtUrcHandler::NewLC( &iAtCmdExt,
|
|
|
630 |
iDownstream );
|
|
|
631 |
iUrcHandlers.AppendL( urcHandler );
|
|
|
632 |
CleanupStack::Pop( urcHandler );
|
|
|
633 |
FTRACE(FPrint( _L("CDunAtCmdHandler::AddOneUrcHandlerL() complete") ));
|
|
|
634 |
return urcHandler;
|
|
|
635 |
}
|
|
|
636 |
|
|
|
637 |
// ---------------------------------------------------------------------------
|
|
|
638 |
// Deletes all instantiated URC message handlers
|
|
|
639 |
// ---------------------------------------------------------------------------
|
|
|
640 |
//
|
|
|
641 |
void CDunAtCmdHandler::DeletePluginHandlers()
|
|
|
642 |
{
|
|
|
643 |
FTRACE(FPrint( _L("CDunAtCmdHandler::DeletePluginHandlers()") ));
|
|
|
644 |
delete iCmdPusher;
|
|
|
645 |
iCmdPusher = NULL;
|
|
|
646 |
TInt i;
|
|
|
647 |
TInt count = iUrcHandlers.Count();
|
|
|
648 |
for ( i=0; i<count; i++ )
|
|
|
649 |
{
|
|
|
650 |
delete iUrcHandlers[i];
|
|
|
651 |
iUrcHandlers[i] = NULL;
|
|
|
652 |
}
|
|
|
653 |
iUrcHandlers.Reset();
|
|
|
654 |
iUrcHandlers.Close();
|
|
|
655 |
FTRACE(FPrint( _L("CDunAtCmdHandler::DeletePluginHandlers() complete") ));
|
|
|
656 |
}
|
|
|
657 |
|
|
|
658 |
// ---------------------------------------------------------------------------
|
|
|
659 |
// Manages partial AT command
|
|
|
660 |
// ---------------------------------------------------------------------------
|
|
|
661 |
//
|
|
|
662 |
TBool CDunAtCmdHandler::ManagePartialCommand()
|
|
|
663 |
{
|
|
|
664 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManagePartialCommand()") ));
|
|
|
665 |
// Check one character (or unit) based input data
|
|
|
666 |
if ( iInput->Length() == KDunChSetMaxCharLen )
|
|
|
667 |
{
|
|
|
668 |
EchoCommand();
|
|
|
669 |
// Handle backspace and cancel characters
|
|
|
670 |
TBool found = HandleSpecialCharacters();
|
|
|
671 |
if ( found )
|
|
|
672 |
{
|
|
|
673 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManagePartialCommand() (special) complete") ));
|
|
|
674 |
return ETrue;
|
|
|
675 |
}
|
|
|
676 |
}
|
|
|
677 |
TBool moreNeeded = ExtractLineFromInputBuffer();
|
|
|
678 |
if ( moreNeeded )
|
|
|
679 |
{
|
|
|
680 |
// More data is not needed with "A/" (no carriage return), check that
|
|
|
681 |
// special case here, otherwise continue processing
|
|
|
682 |
if ( !IsASlashCommand() )
|
|
|
683 |
{
|
|
|
684 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManagePartialCommand() (more) complete") ));
|
|
|
685 |
return ETrue;
|
|
|
686 |
}
|
|
|
687 |
}
|
|
|
688 |
// If something went wrong, do nothing (return consumed)
|
|
|
689 |
if ( iLineBuffer.Length() <= 0 )
|
|
|
690 |
{
|
|
|
691 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManagePartialCommand() (length) complete") ));
|
|
|
692 |
return ETrue;
|
|
|
693 |
}
|
|
|
694 |
// For other commands, just return with consumed
|
|
|
695 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManagePartialCommand() complete") ));
|
|
|
696 |
return EFalse;
|
|
|
697 |
}
|
|
|
698 |
|
|
|
699 |
// ---------------------------------------------------------------------------
|
|
|
700 |
// Echoes a command if echo is on
|
|
|
701 |
// ---------------------------------------------------------------------------
|
|
|
702 |
//
|
|
|
703 |
TBool CDunAtCmdHandler::EchoCommand()
|
|
|
704 |
{
|
|
|
705 |
FTRACE(FPrint( _L("CDunAtCmdHandler::EchoCommand()") ));
|
|
|
706 |
if ( iInput->Length() > KDunChSetMaxCharLen )
|
|
|
707 |
{
|
|
|
708 |
FTRACE(FPrint( _L("CDunAtCmdHandler::EchoCommand() (wrong length) complete") ));
|
|
|
709 |
return EFalse;
|
|
|
710 |
}
|
|
|
711 |
if ( iEchoOn )
|
|
|
712 |
{
|
|
|
713 |
if ( iDownstream->IsDataInQueue(&iEchoBuffer) )
|
|
|
714 |
{
|
|
|
715 |
FTRACE(FPrint( _L("CDunAtCmdHandler::EchoCommand() (in queue!) complete") ));
|
|
|
716 |
return EFalse;
|
|
|
717 |
}
|
|
|
718 |
iEchoBuffer.Copy( *iInput );
|
|
|
719 |
iDownstream->NotifyDataPushRequest( &iEchoBuffer, NULL );
|
|
|
720 |
FTRACE(FPrint( _L("CDunAtCmdHandler::EchoCommand() complete") ));
|
|
|
721 |
return ETrue;
|
|
|
722 |
}
|
|
|
723 |
FTRACE(FPrint( _L("CDunAtCmdHandler::EchoCommand() (not started) complete") ));
|
|
|
724 |
return EFalse;
|
|
|
725 |
}
|
|
|
726 |
|
|
|
727 |
// ---------------------------------------------------------------------------
|
|
|
728 |
// Handles backspace and cancel characters
|
|
|
729 |
// ---------------------------------------------------------------------------
|
|
|
730 |
//
|
|
|
731 |
TBool CDunAtCmdHandler::HandleSpecialCharacters()
|
|
|
732 |
{
|
|
|
733 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleSpecialCharacters()") ));
|
|
|
734 |
if ( iInput->Length() != KDunChSetMaxCharLen )
|
|
|
735 |
{
|
|
|
736 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleSpecialCharacters() (wrong length) complete") ));
|
|
|
737 |
return EFalse;
|
|
|
738 |
}
|
|
|
739 |
if ( (*iInput)[0] == iBackspace )
|
|
|
740 |
{
|
|
|
741 |
TInt lineLength = iLineBuffer.Length();
|
|
|
742 |
if ( lineLength > 0 )
|
|
|
743 |
{
|
|
|
744 |
iLineBuffer.SetLength( lineLength-1 );
|
|
|
745 |
}
|
|
|
746 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleSpecialCharacters() (backspace) complete") ));
|
|
|
747 |
return ETrue;
|
|
|
748 |
}
|
|
|
749 |
if ( (*iInput)[0] == KDunCancel )
|
|
|
750 |
{
|
|
|
751 |
ManageEndOfCmdHandling( EFalse, EFalse );
|
|
|
752 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleSpecialCharacters() (cancel) complete") ));
|
|
|
753 |
return ETrue;
|
|
|
754 |
}
|
|
|
755 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleSpecialCharacters() complete") ));
|
|
|
756 |
return EFalse;
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
// ---------------------------------------------------------------------------
|
|
|
760 |
// Extracts line from input buffer to line buffer
|
|
|
761 |
// ---------------------------------------------------------------------------
|
|
|
762 |
//
|
|
|
763 |
TBool CDunAtCmdHandler::ExtractLineFromInputBuffer()
|
|
|
764 |
{
|
|
|
765 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer()") ));
|
|
|
766 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() before (%d bytes):"), iLineBuffer.Length() ));
|
|
|
767 |
FTRACE(FPrintRaw(iLineBuffer) );
|
|
|
768 |
// Case1: If no data in iLineBuffer and end-of-line character in iInputBuffer[start]:
|
|
|
769 |
// - Skip end-of-line characters, find start-of-line condition, find end-of-line character
|
|
|
770 |
// - If partial line found (start-of-line condition and no end-of-line character):
|
|
|
771 |
// - Save partial line to iLineBuffer
|
|
|
772 |
// - Set iEndIndex to end of iInputBuffer
|
|
|
773 |
// - If full line found (start-of-line condition and end-of-line character):
|
|
|
774 |
// - Save full line to iLineBuffer
|
|
|
775 |
// - Skip multiple end-of-line characters until next start-of-line
|
|
|
776 |
// condition or end of iInputBuffer -> save this position to iEndIndex
|
|
|
777 |
// Case2: If no data in iLineBuffer and non-end-of-line character in iInputBuffer[start]:
|
|
|
778 |
// - Find end-of-line character
|
|
|
779 |
// - If partial line found (no end-of-line character):
|
|
|
780 |
// - Save partial line to iLineBuffer
|
|
|
781 |
// - Set iEndIndex to end of iLineBuffer
|
|
|
782 |
// - If full line found (end-of-line character):
|
|
|
783 |
// - Save full line to iLineBuffer
|
|
|
784 |
// - Skip multiple end-of-line characters until next start-of-line
|
|
|
785 |
// condition or end of iInputBuffer -> save this position to iEndIndex
|
|
|
786 |
// Case3: If data in iLineBuffer and end-of-line character in iInputBuffer[start]:
|
|
|
787 |
// - Skip end-of-line characters
|
|
|
788 |
// - Keep string currently in iLineBuffer
|
|
|
789 |
// - Skip end-of-line characters until non-end-of-line or end of
|
|
|
790 |
// iInputBuffer -> save this position to iEndIndex
|
|
|
791 |
// Case4: If data in iLineBuffer and non-end-of-line character in iInputBuffer[start]:
|
|
|
792 |
// - Processed the same way as Case1, however "Skip end-of-line characters" does
|
|
|
793 |
// not have any effect
|
|
|
794 |
if ( iInput->Length() <= 0 )
|
|
|
795 |
{
|
|
|
796 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() (wrong length) complete") ));
|
|
|
797 |
return ETrue;
|
|
|
798 |
}
|
|
|
799 |
TBool moreNeeded = ETrue;
|
|
|
800 |
TBool copyNeeded = EFalse;
|
|
|
801 |
TInt copyLength = KErrNotFound;
|
|
|
802 |
TInt lineLength = iLineBuffer.Length();
|
|
|
803 |
TInt lineMaxLength = iLineBuffer.MaxLength();
|
|
|
804 |
TInt freeLineSpace = lineMaxLength - lineLength;
|
|
|
805 |
TInt inputLength = iInput->Length();
|
|
|
806 |
TInt startIndex = ( iEndIndex>=0 ) ? iEndIndex : 0;
|
|
|
807 |
if ( startIndex >= inputLength )
|
|
|
808 |
{
|
|
|
809 |
iEndIndex = KErrNotFound;
|
|
|
810 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() (input end) complete") ));
|
|
|
811 |
return ETrue;
|
|
|
812 |
}
|
|
|
813 |
// Cases here:
|
|
|
814 |
// Case1: If no data in iLineBuffer and end-of-line character in iInputBuffer[start]
|
|
|
815 |
// Case2: If no data in iLineBuffer and non-end-of-line character in iInputBuffer[start]
|
|
|
816 |
// Case3: If data in iLineBuffer and end-of-line character in iInputBuffer[start]
|
|
|
817 |
// Case4: If data in iLineBuffer and non-end-of-line character in iInputBuffer[start]
|
|
|
818 |
// Summary: Cases 1, 2 and 4 can be combined. Case 3 needs a separate check.
|
|
|
819 |
TChar character = (*iInput)[startIndex];
|
|
|
820 |
TBool endOfLine = IsEndOfLine(character);
|
|
|
821 |
if ( lineLength>0 && endOfLine )
|
|
|
822 |
{
|
|
|
823 |
moreNeeded = HandleSpecialBufferManagement( startIndex,
|
|
|
824 |
copyLength,
|
|
|
825 |
copyNeeded );
|
|
|
826 |
}
|
|
|
827 |
else
|
|
|
828 |
{
|
|
|
829 |
moreNeeded = HandleGenericBufferManagement( startIndex,
|
|
|
830 |
copyLength,
|
|
|
831 |
copyNeeded );
|
|
|
832 |
}
|
|
|
833 |
if ( copyNeeded && copyLength>0 )
|
|
|
834 |
{
|
|
|
835 |
// Check the case copyLength does not fit to iLineBuffer
|
|
|
836 |
// This case should be handled by returning "more data needed"
|
|
|
837 |
// Also reset the iLineBuffer to ensure the handling doesn't stuck
|
|
|
838 |
// for rest of the commands (usability case)
|
|
|
839 |
if ( copyLength > freeLineSpace )
|
|
|
840 |
{
|
|
|
841 |
iLineBuffer.Zero();
|
|
|
842 |
iEndIndex = KErrNotFound;
|
|
|
843 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() after (%d bytes):"), iLineBuffer.Length() ));
|
|
|
844 |
FTRACE(FPrintRaw(iLineBuffer) );
|
|
|
845 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() (overflow) complete") ));
|
|
|
846 |
return ETrue;
|
|
|
847 |
}
|
|
|
848 |
iLineBuffer.Append( &(*iInput)[startIndex], copyLength );
|
|
|
849 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() after (%d bytes):"), iLineBuffer.Length() ));
|
|
|
850 |
FTRACE(FPrintRaw(iLineBuffer) );
|
|
|
851 |
}
|
|
|
852 |
if ( moreNeeded )
|
|
|
853 |
{
|
|
|
854 |
iEndIndex = KErrNotFound;
|
|
|
855 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() (more needed) complete") ));
|
|
|
856 |
return ETrue;
|
|
|
857 |
}
|
|
|
858 |
// As a last step adjust the possible multiple IsDelimiterCharacter()
|
|
|
859 |
// characters and set length of iLineBuffer. Leave iEndIndex untouched.
|
|
|
860 |
lineLength = iLineBuffer.Length();
|
|
|
861 |
for ( TInt i=lineLength-1; i>=0; i-- )
|
|
|
862 |
{
|
|
|
863 |
TChar character = iLineBuffer[i];
|
|
|
864 |
if ( !IsDelimiterCharacter(character) )
|
|
|
865 |
{
|
|
|
866 |
iLineBuffer.SetLength( i + 1 );
|
|
|
867 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() after (%d bytes):"), iLineBuffer.Length() ));
|
|
|
868 |
FTRACE(FPrintRaw(iLineBuffer) );
|
|
|
869 |
break;
|
|
|
870 |
}
|
|
|
871 |
}
|
|
|
872 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractLineFromInputBuffer() (line found) complete") ));
|
|
|
873 |
return EFalse;
|
|
|
874 |
}
|
|
|
875 |
|
|
|
876 |
// ---------------------------------------------------------------------------
|
|
|
877 |
// Handles generic buffer management
|
|
|
878 |
// (explanation in ExtractLineFromInputBuffer())
|
|
|
879 |
// ---------------------------------------------------------------------------
|
|
|
880 |
//
|
|
|
881 |
TBool CDunAtCmdHandler::HandleGenericBufferManagement( TInt& aStartIndex,
|
|
|
882 |
TInt& aCopyLength,
|
|
|
883 |
TBool& aCopyNeeded )
|
|
|
884 |
{
|
|
|
885 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleGenericBufferManagement()") ));
|
|
|
886 |
TInt inputLength = iInput->Length();
|
|
|
887 |
TInt currentIndex = SkipEndOfLineCharacters( aStartIndex );
|
|
|
888 |
if ( currentIndex >= inputLength )
|
|
|
889 |
{
|
|
|
890 |
// No data in iLineBuffer and only end-of-lines in new buffer
|
|
|
891 |
// return with "need more data"
|
|
|
892 |
iEndIndex = inputLength;
|
|
|
893 |
aCopyLength = 0;
|
|
|
894 |
aCopyNeeded = EFalse;
|
|
|
895 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleGenericBufferManagement() (new end for old no data) complete") ));
|
|
|
896 |
return ETrue;
|
|
|
897 |
}
|
|
|
898 |
// No data in iLineBuffer and non-end-of-line character found
|
|
|
899 |
// Try to find the first start-of-line condition
|
|
|
900 |
TInt lineLength = iLineBuffer.Length();
|
|
|
901 |
if ( lineLength == 0 )
|
|
|
902 |
{
|
|
|
903 |
currentIndex = SkipSubCommandDelimiterCharacters( aStartIndex );
|
|
|
904 |
if ( currentIndex >= inputLength )
|
|
|
905 |
{
|
|
|
906 |
// No data in iLineBuffer and only end-of-lines+delimiter in new buffer
|
|
|
907 |
// return with "need more data"
|
|
|
908 |
iEndIndex = inputLength;
|
|
|
909 |
aCopyLength = 0;
|
|
|
910 |
aCopyNeeded = EFalse;
|
|
|
911 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleGenericBufferManagement() (new end+delim for old no data) complete") ));
|
|
|
912 |
return ETrue;
|
|
|
913 |
}
|
|
|
914 |
}
|
|
|
915 |
aStartIndex = currentIndex;
|
|
|
916 |
// No data in iLineBuffer and other than end-of-line or delimiter character found
|
|
|
917 |
// Variable currentIndex is now the start of new command
|
|
|
918 |
// Next try to find the end of the command
|
|
|
919 |
TInt endIndex = FindEndOfLine( aStartIndex );
|
|
|
920 |
if ( endIndex >= inputLength )
|
|
|
921 |
{
|
|
|
922 |
// No data in iLineBuffer and start of command found without end
|
|
|
923 |
// return with "need more data"
|
|
|
924 |
iEndIndex = inputLength;
|
|
|
925 |
aCopyLength = inputLength - aStartIndex;
|
|
|
926 |
aCopyNeeded = ETrue;
|
|
|
927 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleGenericBufferManagement() (start but no end for old no data) complete") ));
|
|
|
928 |
return ETrue;
|
|
|
929 |
}
|
|
|
930 |
// No data in iLineBuffer and end-of-line character found
|
|
|
931 |
// Try to skip possible multiple end-of-line characters
|
|
|
932 |
currentIndex = SkipEndOfLineCharacters( endIndex );
|
|
|
933 |
// Variable currentIndex is now either start of next command or end of iInput
|
|
|
934 |
// Note that this requires that Case 2 must skip the possible IsDelimiterCharacter()s
|
|
|
935 |
iEndIndex = currentIndex;
|
|
|
936 |
aCopyLength = endIndex - aStartIndex;
|
|
|
937 |
aCopyNeeded = ETrue;
|
|
|
938 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleGenericBufferManagement() (line found) complete") ));
|
|
|
939 |
return EFalse;
|
|
|
940 |
}
|
|
|
941 |
|
|
|
942 |
// ---------------------------------------------------------------------------
|
|
|
943 |
// Handles special buffer management
|
|
|
944 |
// (explanation in ExtractLineFromInputBuffer())
|
|
|
945 |
// ---------------------------------------------------------------------------
|
|
|
946 |
//
|
|
|
947 |
TBool CDunAtCmdHandler::HandleSpecialBufferManagement( TInt aStartIndex,
|
|
|
948 |
TInt& aCopyLength,
|
|
|
949 |
TBool& aCopyNeeded )
|
|
|
950 |
{
|
|
|
951 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleSpecialBufferManagement()") ));
|
|
|
952 |
TInt currentIndex = SkipEndOfLineCharacters( aStartIndex );
|
|
|
953 |
// Variable currentIndex is now either start of next command or end of iInput
|
|
|
954 |
iEndIndex = currentIndex;
|
|
|
955 |
aCopyLength = 0;
|
|
|
956 |
aCopyNeeded = EFalse;
|
|
|
957 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleSpecialBufferManagement() complete") ));
|
|
|
958 |
return EFalse;
|
|
|
959 |
}
|
|
|
960 |
|
|
|
961 |
// ---------------------------------------------------------------------------
|
|
|
962 |
// Skips end-of-line characters
|
|
|
963 |
// ---------------------------------------------------------------------------
|
|
|
964 |
//
|
|
|
965 |
TInt CDunAtCmdHandler::SkipEndOfLineCharacters( TInt aStartIndex )
|
|
|
966 |
{
|
|
|
967 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SkipEndOfLineCharacters()") ));
|
|
|
968 |
TInt foundIndex = iInput->Length();
|
|
|
969 |
TInt inputLength = foundIndex;
|
|
|
970 |
for ( TInt i=aStartIndex; i<inputLength; i++ )
|
|
|
971 |
{
|
|
|
972 |
TChar character = (*iInput)[i];
|
|
|
973 |
if ( !IsEndOfLine(character) )
|
|
|
974 |
{
|
|
|
975 |
foundIndex = i;
|
|
|
976 |
break;
|
|
|
977 |
}
|
|
|
978 |
}
|
|
|
979 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SkipEndOfLineCharacters() complete") ));
|
|
|
980 |
return foundIndex;
|
|
|
981 |
}
|
|
|
982 |
|
|
|
983 |
// ---------------------------------------------------------------------------
|
|
|
984 |
// Skips subcommand delimiter characters
|
|
|
985 |
// ---------------------------------------------------------------------------
|
|
|
986 |
//
|
|
|
987 |
TInt CDunAtCmdHandler::SkipSubCommandDelimiterCharacters( TInt aStartIndex )
|
|
|
988 |
{
|
|
|
989 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SkipSubCommandDelimiterCharacters()") ));
|
|
|
990 |
TInt inputLength = iInput->Length();
|
|
|
991 |
TInt foundIndex = inputLength;
|
|
|
992 |
for ( TInt i=aStartIndex; i<inputLength; i++ )
|
|
|
993 |
{
|
|
|
994 |
TChar character = (*iInput)[i];
|
|
|
995 |
if ( !IsDelimiterCharacter(character) )
|
|
|
996 |
{
|
|
|
997 |
foundIndex = i;
|
|
|
998 |
break;
|
|
|
999 |
}
|
|
|
1000 |
}
|
|
|
1001 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SkipSubCommandDelimiterCharacters() complete") ));
|
|
|
1002 |
return foundIndex;
|
|
|
1003 |
}
|
|
|
1004 |
|
|
|
1005 |
// ---------------------------------------------------------------------------
|
|
|
1006 |
// Finds the end of the line
|
|
|
1007 |
// ---------------------------------------------------------------------------
|
|
|
1008 |
//
|
|
|
1009 |
TInt CDunAtCmdHandler::FindEndOfLine( TInt aStartIndex )
|
|
|
1010 |
{
|
|
|
1011 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindEndOfLine()") ));
|
|
|
1012 |
TInt inputLength = iInput->Length();
|
|
|
1013 |
TInt foundIndex = inputLength;
|
|
|
1014 |
for ( TInt i=aStartIndex; i<inputLength; i++ )
|
|
|
1015 |
{
|
|
|
1016 |
TChar character = (*iInput)[i];
|
|
|
1017 |
// Checking for IsDelimiterCharacter() here needs more logic (a parser).
|
|
|
1018 |
// Just check with "IsEndOfLine()"
|
|
|
1019 |
if ( IsEndOfLine(character) )
|
|
|
1020 |
{
|
|
|
1021 |
foundIndex = i;
|
|
|
1022 |
break;
|
|
|
1023 |
}
|
|
|
1024 |
}
|
|
|
1025 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindEndOfLine() complete") ));
|
|
|
1026 |
return foundIndex;
|
|
|
1027 |
}
|
|
|
1028 |
|
|
|
1029 |
// ---------------------------------------------------------------------------
|
|
|
1030 |
// Handles next subcommand from line buffer
|
|
|
1031 |
// ---------------------------------------------------------------------------
|
|
|
1032 |
//
|
|
|
1033 |
TBool CDunAtCmdHandler::HandleNextSubCommand()
|
|
|
1034 |
{
|
|
|
1035 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleNextSubCommand()") ));
|
|
|
1036 |
if ( iHandleState != EDunStateAtCmdHandling )
|
|
|
1037 |
{
|
|
|
1038 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleNextSubCommand() (not ready) complete") ));
|
|
|
1039 |
return EFalse;
|
|
|
1040 |
}
|
|
|
1041 |
TBool extracted = ExtractNextSubCommand();
|
|
|
1042 |
if ( !extracted )
|
|
|
1043 |
{
|
|
|
1044 |
ManageEndOfCmdHandling( ETrue, ETrue );
|
|
|
1045 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleNextSubCommand() (last) complete") ));
|
|
|
1046 |
return EFalse;
|
|
|
1047 |
}
|
|
|
1048 |
// Next convert the decoded AT command to uppercase
|
|
|
1049 |
// Don't check for case status -> let mixed cases pass
|
|
|
1050 |
TInt oldLength = iParseInfo.iSendBuffer.Length();
|
|
|
1051 |
iParseInfo.iSendBuffer.SetLength( iParseInfo.iLimit );
|
|
|
1052 |
iParseInfo.iSendBuffer.UpperCase();
|
|
|
1053 |
iParseInfo.iSendBuffer.SetLength( oldLength );
|
|
|
1054 |
// Next always send the command to ATEXT
|
|
|
1055 |
iCmdPusher->IssueRequest( iParseInfo.iSendBuffer );
|
|
|
1056 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleNextSubCommand() complete") ));
|
|
|
1057 |
return ETrue;
|
|
|
1058 |
}
|
|
|
1059 |
|
|
|
1060 |
// ---------------------------------------------------------------------------
|
|
|
1061 |
// Manages end of AT command handling
|
|
|
1062 |
// ---------------------------------------------------------------------------
|
|
|
1063 |
//
|
|
|
1064 |
void CDunAtCmdHandler::ManageEndOfCmdHandling( TBool aNotifyLocal,
|
|
|
1065 |
TBool aNotifyExternal )
|
|
|
1066 |
{
|
|
|
1067 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEndOfCmdHandling()") ));
|
|
|
1068 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEndOfCmdHandling() (loc=%d, ext=%d)"), aNotifyLocal, aNotifyExternal ));
|
|
|
1069 |
// If iEndIndex is (>=0 && <iInput.Length()) it means more data waits in
|
|
|
1070 |
// iInput that didn't fit in iInputBuffer.
|
|
|
1071 |
TInt cmdLength = iInput->Length();
|
|
|
1072 |
TBool subBlock = ( iEndIndex>=0&&iEndIndex<cmdLength ) ? ETrue : EFalse;
|
|
|
1073 |
if ( iLineBuffer.Length()>0 && !subBlock )
|
|
|
1074 |
{
|
|
|
1075 |
// Line buffer set and no partial subblock, copy to lastbuffer
|
|
|
1076 |
iLastBuffer.Copy( iLineBuffer );
|
|
|
1077 |
}
|
|
|
1078 |
iLineBuffer.Zero();
|
|
|
1079 |
iDecodeInfo.iFirstDecode = ETrue;
|
|
|
1080 |
iDecodeInfo.iDecodeIndex = 0;
|
|
|
1081 |
iDecodeInfo.iPrevExists = EFalse;
|
|
|
1082 |
iParseInfo.iLimit = KErrNotFound;
|
|
|
1083 |
iParseInfo.iSendBuffer.Zero();
|
|
|
1084 |
iEditorModeInfo.iContentFound = EFalse;
|
|
|
1085 |
iHandleState = EDunStateIdle;
|
|
|
1086 |
if ( aNotifyLocal )
|
|
|
1087 |
{
|
|
|
1088 |
iCmdPusher->SetEndOfCmdLine();
|
|
|
1089 |
}
|
|
|
1090 |
// iEndIndex must not be reset to KErrNotFound only when
|
|
|
1091 |
// ExtractLineFromInputBuffer() found the next line
|
|
|
1092 |
// (when moreNeeded is EFalse)
|
|
|
1093 |
TBool resetIndex = ETrue;
|
|
|
1094 |
if ( aNotifyExternal )
|
|
|
1095 |
{
|
|
|
1096 |
TBool moreNeeded = ExtractLineFromInputBuffer();
|
|
|
1097 |
if ( moreNeeded )
|
|
|
1098 |
{
|
|
|
1099 |
iUpstream->NotifyParserNeedsMoreData();
|
|
|
1100 |
}
|
|
|
1101 |
else
|
|
|
1102 |
{
|
|
|
1103 |
// AppendBlockToInputBuffer() was able to fill with known end, handle next
|
|
|
1104 |
iHandleState = EDunStateAtCmdHandling;
|
|
|
1105 |
HandleNextSubCommand();
|
|
|
1106 |
resetIndex = EFalse;
|
|
|
1107 |
}
|
|
|
1108 |
}
|
|
|
1109 |
if ( resetIndex )
|
|
|
1110 |
{
|
|
|
1111 |
iEndIndex = KErrNotFound;
|
|
|
1112 |
}
|
|
|
1113 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEndOfCmdHandling() complete") ));
|
|
|
1114 |
}
|
|
|
1115 |
|
|
|
1116 |
// ---------------------------------------------------------------------------
|
|
|
1117 |
// Extracts next subcommand from line buffer to send buffer
|
|
|
1118 |
// ---------------------------------------------------------------------------
|
|
|
1119 |
//
|
|
|
1120 |
TBool CDunAtCmdHandler::ExtractNextSubCommand( TBool aPeek )
|
|
|
1121 |
{
|
|
|
1122 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractNextSubCommand()") ));
|
|
|
1123 |
TDunDecodeInfo oldInfo = iDecodeInfo;
|
|
|
1124 |
iParseInfo.iLimit = KErrNotFound;
|
|
|
1125 |
iParseInfo.iSendBuffer.Zero();
|
|
|
1126 |
// Find start of subcommand from line buffer
|
|
|
1127 |
TInt startIndex = FindStartOfSubCommand();
|
|
|
1128 |
if ( startIndex < 0 )
|
|
|
1129 |
{
|
|
|
1130 |
RestoreOldDecodeInfo( aPeek, oldInfo );
|
|
|
1131 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractNextDecodedCommand() (no start) complete") ));
|
|
|
1132 |
return EFalse;
|
|
|
1133 |
}
|
|
|
1134 |
iDecodeInfo.iDecodeIndex = startIndex;
|
|
|
1135 |
TBool specialCmd = EFalse;
|
|
|
1136 |
TInt endIndex = KErrNotFound;
|
|
|
1137 |
specialCmd = CheckSpecialCommand( endIndex );
|
|
|
1138 |
if ( !specialCmd )
|
|
|
1139 |
{
|
|
|
1140 |
FindSubCommand( endIndex );
|
|
|
1141 |
}
|
|
|
1142 |
TInt lineLength = iLineBuffer.Length();
|
|
|
1143 |
TBool inStartLimits = ( startIndex >= 0 && startIndex < lineLength ) ? ETrue : EFalse;
|
|
|
1144 |
TBool inEndLimits = ( endIndex >= 0 && endIndex < lineLength ) ? ETrue : EFalse;
|
|
|
1145 |
if ( !inStartLimits || !inEndLimits )
|
|
|
1146 |
{
|
|
|
1147 |
RestoreOldDecodeInfo( aPeek, oldInfo );
|
|
|
1148 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractNextSubCommand() (no end) complete") ));
|
|
|
1149 |
return EFalse;
|
|
|
1150 |
}
|
|
|
1151 |
TInt cmdLength = endIndex - startIndex + 1;
|
|
|
1152 |
// If the limit was not already set then do it now
|
|
|
1153 |
if ( iParseInfo.iLimit < 0 )
|
|
|
1154 |
{
|
|
|
1155 |
iParseInfo.iLimit = cmdLength;
|
|
|
1156 |
}
|
|
|
1157 |
// Next create a new command
|
|
|
1158 |
if ( !iDecodeInfo.iFirstDecode )
|
|
|
1159 |
{
|
|
|
1160 |
_LIT( KAtPrefix, "AT" );
|
|
|
1161 |
iParseInfo.iSendBuffer.Append( KAtPrefix );
|
|
|
1162 |
if ( !specialCmd ) // Already added with CheckSpecialCommand()
|
|
|
1163 |
{
|
|
|
1164 |
iParseInfo.iLimit += 2; // Length of "AT"
|
|
|
1165 |
}
|
|
|
1166 |
// Note: The length of iDecodeBuffer is not exceeded here because "AT"
|
|
|
1167 |
// is added only for the second commands after that.
|
|
|
1168 |
}
|
|
|
1169 |
iParseInfo.iSendBuffer.Append( &iLineBuffer[startIndex], cmdLength );
|
|
|
1170 |
// Change settings for the next decode round
|
|
|
1171 |
iDecodeInfo.iFirstDecode = EFalse;
|
|
|
1172 |
iDecodeInfo.iDecodeIndex = endIndex + 1;
|
|
|
1173 |
RestoreOldDecodeInfo( aPeek, oldInfo );
|
|
|
1174 |
if ( !aPeek )
|
|
|
1175 |
{
|
|
|
1176 |
iDecodeInfo.iCmdsHandled++;
|
|
|
1177 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractNextSubCommand() (handled=%d)"), iDecodeInfo.iCmdsHandled ));
|
|
|
1178 |
}
|
|
|
1179 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ExtractNextSubCommand() complete") ));
|
|
|
1180 |
return ETrue;
|
|
|
1181 |
}
|
|
|
1182 |
|
|
|
1183 |
// ---------------------------------------------------------------------------
|
|
|
1184 |
// Finds the start of subcommand from line buffer
|
|
|
1185 |
// ---------------------------------------------------------------------------
|
|
|
1186 |
//
|
|
|
1187 |
TBool CDunAtCmdHandler::FindStartOfSubCommand()
|
|
|
1188 |
{
|
|
|
1189 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindStartOfSubCommand()") ));
|
|
|
1190 |
TInt i;
|
|
|
1191 |
TInt foundIndex = KErrNotFound;
|
|
|
1192 |
TInt lineLength = iLineBuffer.Length();
|
|
|
1193 |
for ( i=iDecodeInfo.iDecodeIndex; i<lineLength; i++ )
|
|
|
1194 |
{
|
|
|
1195 |
TChar character = iLineBuffer[i];
|
|
|
1196 |
if ( !IsDelimiterCharacter(character) )
|
|
|
1197 |
{
|
|
|
1198 |
foundIndex = i;
|
|
|
1199 |
break;
|
|
|
1200 |
}
|
|
|
1201 |
}
|
|
|
1202 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindStartOfSubCommand() complete") ));
|
|
|
1203 |
return foundIndex;
|
|
|
1204 |
}
|
|
|
1205 |
|
|
|
1206 |
// ---------------------------------------------------------------------------
|
|
|
1207 |
// Restores old decode info. For ExtractNextDecodedCommand() when aPeeks is
|
|
|
1208 |
// ETrue.
|
|
|
1209 |
// ---------------------------------------------------------------------------
|
|
|
1210 |
//
|
|
|
1211 |
void CDunAtCmdHandler::RestoreOldDecodeInfo( TBool aPeek,
|
|
|
1212 |
TDunDecodeInfo& aOldInfo )
|
|
|
1213 |
{
|
|
|
1214 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RestoreOldDecodeInfo()") ));
|
|
|
1215 |
if ( aPeek )
|
|
|
1216 |
{
|
|
|
1217 |
iEditorModeInfo.iPeekInfo = iDecodeInfo;
|
|
|
1218 |
iDecodeInfo = aOldInfo;
|
|
|
1219 |
}
|
|
|
1220 |
FTRACE(FPrint( _L("CDunAtCmdHandler::RestoreOldDecodeInfo() complete") ));
|
|
|
1221 |
}
|
|
|
1222 |
|
|
|
1223 |
// ---------------------------------------------------------------------------
|
|
|
1224 |
// Tests for end of AT command line
|
|
|
1225 |
// ---------------------------------------------------------------------------
|
|
|
1226 |
//
|
|
|
1227 |
TBool CDunAtCmdHandler::IsEndOfLine( TChar& aCharacter )
|
|
|
1228 |
{
|
|
|
1229 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsEndOfCommand()") ));
|
|
|
1230 |
if ( aCharacter==iCarriageReturn || aCharacter==iLineFeed )
|
|
|
1231 |
{
|
|
|
1232 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsEndOfCommand() (found) complete") ));
|
|
|
1233 |
return ETrue;
|
|
|
1234 |
}
|
|
|
1235 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsEndOfCommand() (not found) complete") ));
|
|
|
1236 |
return EFalse;
|
|
|
1237 |
}
|
|
|
1238 |
|
|
|
1239 |
// ---------------------------------------------------------------------------
|
|
|
1240 |
// Checks if character is delimiter character
|
|
|
1241 |
// ---------------------------------------------------------------------------
|
|
|
1242 |
//
|
|
|
1243 |
TBool CDunAtCmdHandler::IsDelimiterCharacter( TChar aCharacter )
|
|
|
1244 |
{
|
|
|
1245 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsDelimiterCharacter()") ));
|
|
|
1246 |
if ( aCharacter.IsSpace() || aCharacter==';' || aCharacter==0x00 )
|
|
|
1247 |
{
|
|
|
1248 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsDelimiterCharacter() complete") ));
|
|
|
1249 |
return ETrue;
|
|
|
1250 |
}
|
|
|
1251 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsDelimiterCharacter() (not delimiter) complete") ));
|
|
|
1252 |
return EFalse;
|
|
|
1253 |
}
|
|
|
1254 |
|
|
|
1255 |
// ---------------------------------------------------------------------------
|
|
|
1256 |
// Checks if character is of extended group
|
|
|
1257 |
// ---------------------------------------------------------------------------
|
|
|
1258 |
//
|
|
|
1259 |
TBool CDunAtCmdHandler::IsExtendedCharacter( TChar aCharacter )
|
|
|
1260 |
{
|
|
|
1261 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsExtendedCharacter()") ));
|
|
|
1262 |
if ( aCharacter=='+' || aCharacter=='&' || aCharacter=='%' ||
|
|
|
1263 |
aCharacter=='\\' || aCharacter=='*' || aCharacter=='#' ||
|
|
|
1264 |
aCharacter=='$' || aCharacter=='^' )
|
|
|
1265 |
{
|
|
|
1266 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsExtendedCharacter() complete") ));
|
|
|
1267 |
return ETrue;
|
|
|
1268 |
}
|
|
|
1269 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsExtendedCharacter() (not extended) complete") ));
|
|
|
1270 |
return EFalse;
|
|
|
1271 |
}
|
|
|
1272 |
|
|
|
1273 |
// ---------------------------------------------------------------------------
|
|
|
1274 |
// Checks special command
|
|
|
1275 |
// ---------------------------------------------------------------------------
|
|
|
1276 |
//
|
|
|
1277 |
TBool CDunAtCmdHandler::CheckSpecialCommand( TInt& aEndIndex )
|
|
|
1278 |
{
|
|
|
1279 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CheckSpecialCommand()") ));
|
|
|
1280 |
TInt atPrefixLen = 0;
|
|
|
1281 |
TInt startIndex = iDecodeInfo.iDecodeIndex;
|
|
|
1282 |
TInt newLength = iLineBuffer.Length() - startIndex;
|
|
|
1283 |
TBuf8<KDunLineBufLength> upperBuf;
|
|
|
1284 |
if ( !iDecodeInfo.iFirstDecode )
|
|
|
1285 |
{
|
|
|
1286 |
// For cases such as "ATM1L3DT*99#" "DT" must have "AT"
|
|
|
1287 |
_LIT8( KAtPrefix, "AT" );
|
|
|
1288 |
upperBuf.Copy( KAtPrefix );
|
|
|
1289 |
atPrefixLen = 2; // "AT"
|
|
|
1290 |
newLength += atPrefixLen;
|
|
|
1291 |
}
|
|
|
1292 |
upperBuf.Append( &iLineBuffer[startIndex], newLength );
|
|
|
1293 |
upperBuf.UpperCase();
|
|
|
1294 |
TInt i;
|
|
|
1295 |
TInt count = iSpecials.Count();
|
|
|
1296 |
for ( i=0; i<count; i++ )
|
|
|
1297 |
{
|
|
|
1298 |
HBufC8* specialCmd = iSpecials[i];
|
|
|
1299 |
TInt specialLength = specialCmd->Length();
|
|
|
1300 |
if ( newLength < specialLength )
|
|
|
1301 |
{
|
|
|
1302 |
continue;
|
|
|
1303 |
}
|
|
|
1304 |
TInt origLength = newLength;
|
|
|
1305 |
if ( newLength > specialLength )
|
|
|
1306 |
{
|
|
|
1307 |
upperBuf.SetLength( specialLength );
|
|
|
1308 |
}
|
|
|
1309 |
TInt cmpResult = upperBuf.Compare( *specialCmd );
|
|
|
1310 |
upperBuf.SetLength( origLength );
|
|
|
1311 |
if ( cmpResult == 0 )
|
|
|
1312 |
{
|
|
|
1313 |
iParseInfo.iLimit = specialLength;
|
|
|
1314 |
aEndIndex = (origLength-1) + startIndex - atPrefixLen;
|
|
|
1315 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CheckSpecialCommand() complete") ));
|
|
|
1316 |
return ETrue;
|
|
|
1317 |
}
|
|
|
1318 |
}
|
|
|
1319 |
FTRACE(FPrint( _L("CDunAtCmdHandler::CheckSpecialCommand() (not found) complete") ));
|
|
|
1320 |
return EFalse;
|
|
|
1321 |
}
|
|
|
1322 |
|
|
|
1323 |
// ---------------------------------------------------------------------------
|
|
|
1324 |
// Saves character decode state for a found character
|
|
|
1325 |
// ---------------------------------------------------------------------------
|
|
|
1326 |
//
|
|
|
1327 |
void CDunAtCmdHandler::SaveFoundCharDecodeState( TChar aCharacter,
|
|
|
1328 |
TBool aAddSpecial )
|
|
|
1329 |
{
|
|
|
1330 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SaveFoundCharDecodeState()") ));
|
|
|
1331 |
iDecodeInfo.iPrevExists = ETrue;
|
|
|
1332 |
iDecodeInfo.iPrevChar = aCharacter;
|
|
|
1333 |
if ( aAddSpecial )
|
|
|
1334 |
{
|
|
|
1335 |
iDecodeInfo.iSpecialFound =
|
|
|
1336 |
iAtSpecialCmdHandler->IsCompleteSubCommand( aCharacter );
|
|
|
1337 |
}
|
|
|
1338 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SaveFoundCharDecodeState() complete") ));
|
|
|
1339 |
}
|
|
|
1340 |
|
|
|
1341 |
// ---------------------------------------------------------------------------
|
|
|
1342 |
// Saves character decode state for a not found character
|
|
|
1343 |
// ---------------------------------------------------------------------------
|
|
|
1344 |
//
|
|
|
1345 |
void CDunAtCmdHandler::SaveNotFoundCharDecodeState()
|
|
|
1346 |
{
|
|
|
1347 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SaveNotFoundCharDecodeState()") ));
|
|
|
1348 |
iDecodeInfo.iPrevExists = EFalse;
|
|
|
1349 |
// Note: don't set iAssignFound or iInQuotes here
|
|
|
1350 |
iDecodeInfo.iSpecialFound = EFalse;
|
|
|
1351 |
FTRACE(FPrint( _L("CDunAtCmdHandler::SaveNotFoundCharDecodeState() complete") ));
|
|
|
1352 |
}
|
|
|
1353 |
|
|
|
1354 |
// ---------------------------------------------------------------------------
|
|
|
1355 |
// Find quotes within subcommands
|
|
|
1356 |
// ---------------------------------------------------------------------------
|
|
|
1357 |
//
|
|
|
1358 |
TBool CDunAtCmdHandler::FindSubCommandQuotes( TChar aCharacter,
|
|
|
1359 |
TInt aStartIndex,
|
|
|
1360 |
TInt& aEndIndex )
|
|
|
1361 |
{
|
|
|
1362 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandQuotes()") ));
|
|
|
1363 |
if ( aCharacter == '"' )
|
|
|
1364 |
{
|
|
|
1365 |
if ( iParseInfo.iLimit < 0 ) // Only first the first '"'
|
|
|
1366 |
{
|
|
|
1367 |
iParseInfo.iLimit = aEndIndex - aStartIndex;
|
|
|
1368 |
}
|
|
|
1369 |
iDecodeInfo.iInQuotes ^= ETrue; // EFalse to ETrue or ETrue to EFalse
|
|
|
1370 |
SaveFoundCharDecodeState( aCharacter, EFalse );
|
|
|
1371 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandQuotes() (quote) complete") ));
|
|
|
1372 |
return ETrue;
|
|
|
1373 |
}
|
|
|
1374 |
// The next ones are those that are not in quotes.
|
|
|
1375 |
// We still need to save the iParseInfo.iLimit and skip non-delimiter characters.
|
|
|
1376 |
if ( aCharacter == '=' )
|
|
|
1377 |
{
|
|
|
1378 |
if ( iParseInfo.iLimit < 0 ) // Only first the first '"'
|
|
|
1379 |
{
|
|
|
1380 |
iParseInfo.iLimit = aEndIndex - aStartIndex;
|
|
|
1381 |
}
|
|
|
1382 |
iDecodeInfo.iAssignFound = ETrue;
|
|
|
1383 |
SaveFoundCharDecodeState( aCharacter, EFalse );
|
|
|
1384 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandQuotes() (equals) complete") ));
|
|
|
1385 |
return ETrue;
|
|
|
1386 |
}
|
|
|
1387 |
if ( iDecodeInfo.iInQuotes )
|
|
|
1388 |
{
|
|
|
1389 |
SaveNotFoundCharDecodeState();
|
|
|
1390 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandQuotes() (in quotes) complete") ));
|
|
|
1391 |
return ETrue;
|
|
|
1392 |
}
|
|
|
1393 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandQuotes() (not found) complete") ));
|
|
|
1394 |
return EFalse;
|
|
|
1395 |
}
|
|
|
1396 |
|
|
|
1397 |
// ---------------------------------------------------------------------------
|
|
|
1398 |
// Check if in next subcommand's extended border
|
|
|
1399 |
// ---------------------------------------------------------------------------
|
|
|
1400 |
//
|
|
|
1401 |
TBool CDunAtCmdHandler::IsExtendedBorder( TChar aCharacter,
|
|
|
1402 |
TInt aStartIndex,
|
|
|
1403 |
TInt& aEndIndex )
|
|
|
1404 |
{
|
|
|
1405 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsExtendedBorder()") ));
|
|
|
1406 |
TInt expectedIndex = 0; // "+CMD" when iDecodeInfo.iFirstDecode is EFalse
|
|
|
1407 |
TInt extendedIndex = aEndIndex - aStartIndex; // absolute index to the extended character
|
|
|
1408 |
if ( iDecodeInfo.iFirstDecode )
|
|
|
1409 |
{
|
|
|
1410 |
expectedIndex = 2; // "AT+CMD"
|
|
|
1411 |
}
|
|
|
1412 |
if ( extendedIndex == expectedIndex )
|
|
|
1413 |
{
|
|
|
1414 |
iDecodeInfo.iExtendedIndex = aEndIndex;
|
|
|
1415 |
SaveFoundCharDecodeState( aCharacter );
|
|
|
1416 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsExtendedBorder() (no border) complete") ));
|
|
|
1417 |
return EFalse;
|
|
|
1418 |
}
|
|
|
1419 |
aEndIndex--;
|
|
|
1420 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsExtendedBorder() (border) complete") ));
|
|
|
1421 |
return ETrue;
|
|
|
1422 |
}
|
|
|
1423 |
|
|
|
1424 |
// ---------------------------------------------------------------------------
|
|
|
1425 |
// Finds subcommand with alphanumeric borders
|
|
|
1426 |
// ---------------------------------------------------------------------------
|
|
|
1427 |
//
|
|
|
1428 |
TBool CDunAtCmdHandler::FindSubCommandAlphaBorder( TChar aCharacter,
|
|
|
1429 |
TInt& aEndIndex )
|
|
|
1430 |
{
|
|
|
1431 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder()") ));
|
|
|
1432 |
if ( iDecodeInfo.iAssignFound && !iDecodeInfo.iInQuotes )
|
|
|
1433 |
{
|
|
|
1434 |
// Check the special case when assigning a number with "basic" command
|
|
|
1435 |
// and there is no delimiter after it. In this case <Numeric>|<Alpha>
|
|
|
1436 |
// border must be detected but only for a "basic" command, not for
|
|
|
1437 |
// extended.
|
|
|
1438 |
if ( iDecodeInfo.iExtendedIndex<0 && iDecodeInfo.iPrevExists &&
|
|
|
1439 |
iDecodeInfo.iPrevChar.IsDigit() && aCharacter.IsAlpha() )
|
|
|
1440 |
{
|
|
|
1441 |
aEndIndex--;
|
|
|
1442 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder() (N|A) complete") ));
|
|
|
1443 |
return ETrue;
|
|
|
1444 |
}
|
|
|
1445 |
// The code below is for the following type of cases:
|
|
|
1446 |
// (do not check alphanumeric borders if "=" set without quotes):
|
|
|
1447 |
// AT+CMD=a
|
|
|
1448 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder() (skip) complete") ));
|
|
|
1449 |
return EFalse;
|
|
|
1450 |
}
|
|
|
1451 |
if ( !iDecodeInfo.iPrevExists || !aCharacter.IsAlpha() )
|
|
|
1452 |
{
|
|
|
1453 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder() (not found) complete") ));
|
|
|
1454 |
return EFalse;
|
|
|
1455 |
}
|
|
|
1456 |
if ( iDecodeInfo.iPrevChar.IsAlpha() )
|
|
|
1457 |
{
|
|
|
1458 |
// The check below detects the following type of cases
|
|
|
1459 |
// (note that special handling is needed to separate the Alpha|Alpha boundary):
|
|
|
1460 |
// AT&FE0
|
|
|
1461 |
if ( iDecodeInfo.iSpecialFound )
|
|
|
1462 |
{
|
|
|
1463 |
// Special command was found before and this is Alpha|Alpha boundary -> end
|
|
|
1464 |
aEndIndex--;
|
|
|
1465 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder() (special) complete") ));
|
|
|
1466 |
return ETrue;
|
|
|
1467 |
}
|
|
|
1468 |
// The code below is for the following type of cases
|
|
|
1469 |
// (note there is no border between C|M, for example -> continue):
|
|
|
1470 |
// ATCMD
|
|
|
1471 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder() (continue) complete") ));
|
|
|
1472 |
return EFalse;
|
|
|
1473 |
}
|
|
|
1474 |
// The code below is for skipping the following type of cases:
|
|
|
1475 |
// AT+CMD [the '+' must be skipped]
|
|
|
1476 |
if ( aEndIndex-1 == iDecodeInfo.iExtendedIndex )
|
|
|
1477 |
{
|
|
|
1478 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder() (extended) complete") ));
|
|
|
1479 |
return EFalse;
|
|
|
1480 |
}
|
|
|
1481 |
// The code below is for the following type of cases:
|
|
|
1482 |
// ATCMD?ATCMD
|
|
|
1483 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommandAlphaBorder() (boundary) complete") ));
|
|
|
1484 |
aEndIndex--;
|
|
|
1485 |
return ETrue;
|
|
|
1486 |
}
|
|
|
1487 |
|
|
|
1488 |
// ---------------------------------------------------------------------------
|
|
|
1489 |
// Finds subcommand
|
|
|
1490 |
// ---------------------------------------------------------------------------
|
|
|
1491 |
//
|
|
|
1492 |
TInt CDunAtCmdHandler::FindSubCommand( TInt& aEndIndex )
|
|
|
1493 |
{
|
|
|
1494 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommand()") ));
|
|
|
1495 |
TInt startIndex = iDecodeInfo.iDecodeIndex;
|
|
|
1496 |
aEndIndex = startIndex;
|
|
|
1497 |
TBool found = EFalse;
|
|
|
1498 |
TInt lineLength = iLineBuffer.Length();
|
|
|
1499 |
iDecodeInfo.iAssignFound = EFalse;
|
|
|
1500 |
iDecodeInfo.iInQuotes = EFalse;
|
|
|
1501 |
iDecodeInfo.iExtendedIndex = KErrNotFound;
|
|
|
1502 |
SaveNotFoundCharDecodeState();
|
|
|
1503 |
iAtSpecialCmdHandler->ResetComparisonBuffer(); // just to be sure
|
|
|
1504 |
for ( ; aEndIndex<lineLength; aEndIndex++ )
|
|
|
1505 |
{
|
|
|
1506 |
TChar character = iLineBuffer[aEndIndex];
|
|
|
1507 |
found = FindSubCommandQuotes( character, startIndex, aEndIndex );
|
|
|
1508 |
if ( found )
|
|
|
1509 |
{
|
|
|
1510 |
continue;
|
|
|
1511 |
}
|
|
|
1512 |
if ( character == '?' )
|
|
|
1513 |
{
|
|
|
1514 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommand() (?) complete") ));
|
|
|
1515 |
return KErrNone;
|
|
|
1516 |
}
|
|
|
1517 |
// The check below detects the following type of cases:
|
|
|
1518 |
// ATCMD<delimiter>
|
|
|
1519 |
if ( IsDelimiterCharacter(character) )
|
|
|
1520 |
{
|
|
|
1521 |
aEndIndex--;
|
|
|
1522 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommand() (delimiter) complete") ));
|
|
|
1523 |
return KErrNone;
|
|
|
1524 |
}
|
|
|
1525 |
// The check below detects the following type of cases:
|
|
|
1526 |
// ATCMD+CMD [first + as delimiter]
|
|
|
1527 |
// AT+CMD+CMD [second + as delimiter]
|
|
|
1528 |
if ( IsExtendedCharacter(character) )
|
|
|
1529 |
{
|
|
|
1530 |
found = IsExtendedBorder( character, startIndex, aEndIndex );
|
|
|
1531 |
if ( !found )
|
|
|
1532 |
{
|
|
|
1533 |
continue;
|
|
|
1534 |
}
|
|
|
1535 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommand() (extended) complete") ));
|
|
|
1536 |
return KErrNone;
|
|
|
1537 |
}
|
|
|
1538 |
found = FindSubCommandAlphaBorder( character, aEndIndex );
|
|
|
1539 |
if ( found )
|
|
|
1540 |
{
|
|
|
1541 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommand() (alpha sub) complete") ));
|
|
|
1542 |
return KErrNone;
|
|
|
1543 |
}
|
|
|
1544 |
SaveFoundCharDecodeState( character );
|
|
|
1545 |
}
|
|
|
1546 |
aEndIndex--;
|
|
|
1547 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindSubCommand() (not found) complete") ));
|
|
|
1548 |
return KErrNotFound;
|
|
|
1549 |
}
|
|
|
1550 |
|
|
|
1551 |
// ---------------------------------------------------------------------------
|
|
|
1552 |
// Check if "A/" command
|
|
|
1553 |
// ---------------------------------------------------------------------------
|
|
|
1554 |
//
|
|
|
1555 |
TBool CDunAtCmdHandler::IsASlashCommand()
|
|
|
1556 |
{
|
|
|
1557 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsASlashCommand()") ));
|
|
|
1558 |
if ( iLineBuffer.Length() == 2 )
|
|
|
1559 |
{
|
|
|
1560 |
if ( iLineBuffer[1] == '/' &&
|
|
|
1561 |
(iLineBuffer[0] == 'A' || iLineBuffer[0] == 'a') )
|
|
|
1562 |
{
|
|
|
1563 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsASlashCommand() (found) complete") ));
|
|
|
1564 |
return ETrue;
|
|
|
1565 |
}
|
|
|
1566 |
}
|
|
|
1567 |
FTRACE(FPrint( _L("CDunAtCmdHandler::IsASlashCommand() (not found) complete") ));
|
|
|
1568 |
return EFalse;
|
|
|
1569 |
}
|
|
|
1570 |
|
|
|
1571 |
// ---------------------------------------------------------------------------
|
|
|
1572 |
// Handles "A/" command
|
|
|
1573 |
// ---------------------------------------------------------------------------
|
|
|
1574 |
//
|
|
|
1575 |
TBool CDunAtCmdHandler::HandleASlashCommand()
|
|
|
1576 |
{
|
|
|
1577 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleASlashCommand()") ));
|
|
|
1578 |
// If not "A/" command, return
|
|
|
1579 |
if ( !IsASlashCommand() )
|
|
|
1580 |
{
|
|
|
1581 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleASlashCommand() (no push) complete") ));
|
|
|
1582 |
return EFalse;
|
|
|
1583 |
}
|
|
|
1584 |
iEndIndex = iInput->Length(); // Causes skipping of last '/' in ManageEndOfCmdHandling()
|
|
|
1585 |
// If "A/" command and last buffer exist, set the last buffer as the current buffer
|
|
|
1586 |
if ( iLastBuffer.Length() > 0 )
|
|
|
1587 |
{
|
|
|
1588 |
iLineBuffer.Copy( iLastBuffer );
|
|
|
1589 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleASlashCommand() (copy) complete") ));
|
|
|
1590 |
return EFalse;
|
|
|
1591 |
}
|
|
|
1592 |
// Last buffer not set so return "ERROR"
|
|
|
1593 |
iDownstream->NotifyDataPushRequest( &iErrorBuffer, NULL );
|
|
|
1594 |
FTRACE(FPrint( _L("CDunAtCmdHandler::HandleASlashCommand() complete") ));
|
|
|
1595 |
return ETrue;
|
|
|
1596 |
}
|
|
|
1597 |
|
|
|
1598 |
// ---------------------------------------------------------------------------
|
|
|
1599 |
// Manages command mode change
|
|
|
1600 |
// ---------------------------------------------------------------------------
|
|
|
1601 |
//
|
|
|
1602 |
TBool CDunAtCmdHandler::ManageCommandModeChange( TUint aMode )
|
|
|
1603 |
{
|
|
|
1604 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCommandModeChange()" ) ));
|
|
|
1605 |
if ( aMode & KCommandModeChanged )
|
|
|
1606 |
{
|
|
|
1607 |
if ( aMode & KModeCommand ) // command mode ON
|
|
|
1608 |
{
|
|
|
1609 |
ReportCommandModeChange( ETrue );
|
|
|
1610 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCommandModeChange() command mode changed ON" ) ));
|
|
|
1611 |
}
|
|
|
1612 |
else // command mode OFF
|
|
|
1613 |
{
|
|
|
1614 |
ReportCommandModeChange( EFalse );
|
|
|
1615 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCommandModeChange() command mode changed OFF" ) ));
|
|
|
1616 |
}
|
|
|
1617 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCommandModeChange() (change) complete" ) ));
|
|
|
1618 |
return ETrue;
|
|
|
1619 |
}
|
|
|
1620 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCommandModeChange()" ) ));
|
|
|
1621 |
return EFalse;
|
|
|
1622 |
}
|
|
|
1623 |
|
|
|
1624 |
// ---------------------------------------------------------------------------
|
|
|
1625 |
// Reports command mode start/end change
|
|
|
1626 |
// ---------------------------------------------------------------------------
|
|
|
1627 |
//
|
|
|
1628 |
void CDunAtCmdHandler::ReportCommandModeChange( TBool aStart )
|
|
|
1629 |
{
|
|
|
1630 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ReportCommandModeChange()" ) ));
|
|
|
1631 |
TInt i;
|
|
|
1632 |
TInt count = iCmdCallbacks.Count();
|
|
|
1633 |
if ( aStart )
|
|
|
1634 |
{
|
|
|
1635 |
if ( iDataMode )
|
|
|
1636 |
{
|
|
|
1637 |
for ( i=0; i<count; i++ )
|
|
|
1638 |
{
|
|
|
1639 |
iCmdCallbacks[i]->NotifyCommandModeStart();
|
|
|
1640 |
}
|
|
|
1641 |
iDataMode = EFalse;
|
|
|
1642 |
}
|
|
|
1643 |
}
|
|
|
1644 |
else // end
|
|
|
1645 |
{
|
|
|
1646 |
if ( !iDataMode )
|
|
|
1647 |
{
|
|
|
1648 |
for ( i=0; i<count; i++ )
|
|
|
1649 |
{
|
|
|
1650 |
iCmdCallbacks[i]->NotifyCommandModeEnd();
|
|
|
1651 |
}
|
|
|
1652 |
iDataMode = ETrue;
|
|
|
1653 |
}
|
|
|
1654 |
}
|
|
|
1655 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ReportCommandModeChange() complete" ) ));
|
|
|
1656 |
}
|
|
|
1657 |
|
|
|
1658 |
// ---------------------------------------------------------------------------
|
|
|
1659 |
// Manages echo mode change
|
|
|
1660 |
// ---------------------------------------------------------------------------
|
|
|
1661 |
//
|
|
|
1662 |
TBool CDunAtCmdHandler::ManageEchoModeChange( TUint aMode )
|
|
|
1663 |
{
|
|
|
1664 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEchoModeChange()" ) ));
|
|
|
1665 |
if ( aMode & KEchoModeChanged )
|
|
|
1666 |
{
|
|
|
1667 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEchoModeChange() checking echo mode..." ) ));
|
|
|
1668 |
if ( aMode & KModeEcho ) // echo mode ON
|
|
|
1669 |
{
|
|
|
1670 |
iEchoOn = ETrue;
|
|
|
1671 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEchoModeChange() echo mode changed ON" ) ));
|
|
|
1672 |
}
|
|
|
1673 |
else // echo mode OFF
|
|
|
1674 |
{
|
|
|
1675 |
iEchoOn = EFalse;
|
|
|
1676 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEchoModeChange() echo mode changed OFF" ) ));
|
|
|
1677 |
}
|
|
|
1678 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEchoModeChange() (change) complete" ) ));
|
|
|
1679 |
return ETrue;
|
|
|
1680 |
}
|
|
|
1681 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEchoModeChange() complete" ) ));
|
|
|
1682 |
return EFalse;
|
|
|
1683 |
}
|
|
|
1684 |
|
|
|
1685 |
// ---------------------------------------------------------------------------
|
|
|
1686 |
// Manages quiet mode change
|
|
|
1687 |
// ---------------------------------------------------------------------------
|
|
|
1688 |
//
|
|
|
1689 |
TBool CDunAtCmdHandler::ManageQuietModeChange( TUint aMode )
|
|
|
1690 |
{
|
|
|
1691 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageQuietModeChange()" ) ));
|
|
|
1692 |
if ( aMode & KQuietModeChanged )
|
|
|
1693 |
{
|
|
|
1694 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEchoModeChange() checking quiet mode..." ) ));
|
|
|
1695 |
if ( aMode & KModeQuiet ) // quiet mode ON
|
|
|
1696 |
{
|
|
|
1697 |
iAtCmdExt.ReportQuietModeChange( ETrue );
|
|
|
1698 |
iQuietOn = ETrue;
|
|
|
1699 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageQuietModeChange() quiet mode changed ON" ) ));
|
|
|
1700 |
}
|
|
|
1701 |
else // quiet mode OFF
|
|
|
1702 |
{
|
|
|
1703 |
iAtCmdExt.ReportQuietModeChange( EFalse );
|
|
|
1704 |
iQuietOn = EFalse;
|
|
|
1705 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageQuietModeChange() quiet mode changed OFF" ) ));
|
|
|
1706 |
}
|
|
|
1707 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageQuietModeChange() (change) complete" ) ));
|
|
|
1708 |
return ETrue;
|
|
|
1709 |
}
|
|
|
1710 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageQuietModeChange() complete" ) ));
|
|
|
1711 |
return EFalse;
|
|
|
1712 |
}
|
|
|
1713 |
|
|
|
1714 |
// ---------------------------------------------------------------------------
|
|
|
1715 |
// Manages quiet mode change
|
|
|
1716 |
// ---------------------------------------------------------------------------
|
|
|
1717 |
//
|
|
|
1718 |
TBool CDunAtCmdHandler::ManageVerboseModeChange( TUint aMode )
|
|
|
1719 |
{
|
|
|
1720 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageVerboseModeChange()" ) ));
|
|
|
1721 |
if ( aMode & KVerboseModeChanged )
|
|
|
1722 |
{
|
|
|
1723 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageVerboseModeChange() checking verbose mode..." ) ));
|
|
|
1724 |
if ( aMode & KModeVerbose ) // verbose mode ON
|
|
|
1725 |
{
|
|
|
1726 |
iAtCmdExt.ReportVerboseModeChange( ETrue );
|
|
|
1727 |
iVerboseOn = ETrue;
|
|
|
1728 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyVerboseStatusChange() verbose mode changed ON" ) ));
|
|
|
1729 |
}
|
|
|
1730 |
else // verbose mode OFF
|
|
|
1731 |
{
|
|
|
1732 |
iAtCmdExt.ReportVerboseModeChange( EFalse );
|
|
|
1733 |
iVerboseOn = EFalse;
|
|
|
1734 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyVerboseStatusChange() verbose mode changed OFF" ) ));
|
|
|
1735 |
}
|
|
|
1736 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageVerboseModeChange() (change) complete" ) ));
|
|
|
1737 |
return ETrue;
|
|
|
1738 |
}
|
|
|
1739 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageVerboseModeChange() complete" ) ));
|
|
|
1740 |
return EFalse;
|
|
|
1741 |
}
|
|
|
1742 |
|
|
|
1743 |
// ---------------------------------------------------------------------------
|
|
|
1744 |
// Manages character change
|
|
|
1745 |
// ---------------------------------------------------------------------------
|
|
|
1746 |
//
|
|
|
1747 |
void CDunAtCmdHandler::ManageCharacterChange( TUint aMode )
|
|
|
1748 |
{
|
|
|
1749 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCharacterChange()" ) ));
|
|
|
1750 |
if ( aMode & KCarriageChanged )
|
|
|
1751 |
{
|
|
|
1752 |
iCarriageReturn = aMode & (KModeChanged-1);
|
|
|
1753 |
iAtCmdExt.ReportCharacterChange( ECharTypeCarriage, iCarriageReturn );
|
|
|
1754 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCharacterChange() carriage return changed" ) ));
|
|
|
1755 |
}
|
|
|
1756 |
else if ( aMode & KLineFeedChanged )
|
|
|
1757 |
{
|
|
|
1758 |
iLineFeed = aMode & (KModeChanged-1);
|
|
|
1759 |
iAtCmdExt.ReportCharacterChange( ECharTypeLineFeed, iLineFeed );
|
|
|
1760 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCharacterChange() line feed changed" ) ));
|
|
|
1761 |
}
|
|
|
1762 |
else if ( aMode & KBackspaceChanged )
|
|
|
1763 |
{
|
|
|
1764 |
iBackspace = aMode & (KModeChanged-1);
|
|
|
1765 |
iAtCmdExt.ReportCharacterChange( ECharTypeBackspace, iBackspace );
|
|
|
1766 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCharacterChange() backspace changed" ) ));
|
|
|
1767 |
}
|
|
|
1768 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageCharacterChange() complete" ) ));
|
|
|
1769 |
}
|
|
|
1770 |
|
|
|
1771 |
// ---------------------------------------------------------------------------
|
|
|
1772 |
// Manages editor mode reply
|
|
|
1773 |
// ---------------------------------------------------------------------------
|
|
|
1774 |
//
|
|
|
1775 |
TInt CDunAtCmdHandler::ManageEditorModeReply( TBool aStart )
|
|
|
1776 |
{
|
|
|
1777 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEditorModeReply()" ) ));
|
|
|
1778 |
// Two modes possible here:
|
|
|
1779 |
// 1) Sending data directly from DTE to DCE, i.e. no subsequent data in
|
|
|
1780 |
// the input buffer -> Reissue read request from DTE.
|
|
|
1781 |
// 2) Sending data from input buffer to DCE -> Do not reissue read request
|
|
|
1782 |
// from DTE: send the data in a loop
|
|
|
1783 |
// In summary: send data byte-by-byte in editor mode until end of input.
|
|
|
1784 |
// When end of input notify CDunUpstream to reissue the read request.
|
|
|
1785 |
TBool nextContentFound = FindNextContent( aStart );
|
|
|
1786 |
if ( !nextContentFound )
|
|
|
1787 |
{
|
|
|
1788 |
iUpstream->NotifyEditorModeReply( aStart );
|
|
|
1789 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEditorModeReply() complete") ));
|
|
|
1790 |
return KErrNone;
|
|
|
1791 |
}
|
|
|
1792 |
// In block mode end the block mode by sending <ESC> and hope it works.
|
|
|
1793 |
iEscapeBuffer.Zero();
|
|
|
1794 |
iEscapeBuffer.Append( KDunEscape );
|
|
|
1795 |
iCmdPusher->IssueRequest( iEscapeBuffer, EFalse );
|
|
|
1796 |
FTRACE(FPrint( _L("CDunAtCmdHandler::ManageEditorModeReply() complete" ) ));
|
|
|
1797 |
return KErrNone;
|
|
|
1798 |
}
|
|
|
1799 |
|
|
|
1800 |
// ---------------------------------------------------------------------------
|
|
|
1801 |
// Finds the next content from the input data
|
|
|
1802 |
// ---------------------------------------------------------------------------
|
|
|
1803 |
//
|
|
|
1804 |
TBool CDunAtCmdHandler::FindNextContent( TBool aStart )
|
|
|
1805 |
{
|
|
|
1806 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindNextContent()" ) ));
|
|
|
1807 |
if ( !aStart )
|
|
|
1808 |
{
|
|
|
1809 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindNextContent() (skip) complete" ) ));
|
|
|
1810 |
return iEditorModeInfo.iContentFound;
|
|
|
1811 |
}
|
|
|
1812 |
// If iEndIndex is (>=0 && <iInput.Length()) it means more data waits in
|
|
|
1813 |
// iInput that didn't fit in iInputBuffer. Only check FindStartOfCommand()
|
|
|
1814 |
// if iEndIndex < 0, meaning more data is needed from CDunUpstream.
|
|
|
1815 |
TBool contentFound = EFalse;
|
|
|
1816 |
TInt cmdLength = iInput->Length();
|
|
|
1817 |
TBool subBlock = ( iEndIndex>=0&&iEndIndex<cmdLength ) ? ETrue : EFalse;
|
|
|
1818 |
if ( subBlock )
|
|
|
1819 |
{
|
|
|
1820 |
contentFound = ETrue;
|
|
|
1821 |
}
|
|
|
1822 |
if ( !contentFound )
|
|
|
1823 |
{
|
|
|
1824 |
contentFound = ExtractNextSubCommand( ETrue ); // peek
|
|
|
1825 |
}
|
|
|
1826 |
iEditorModeInfo.iContentFound = contentFound;
|
|
|
1827 |
FTRACE(FPrint( _L("CDunAtCmdHandler::FindNextContent() complete" ) ));
|
|
|
1828 |
return contentFound;
|
|
|
1829 |
}
|
|
|
1830 |
|
|
|
1831 |
// ---------------------------------------------------------------------------
|
|
|
1832 |
// From class MDunAtCmdPusher.
|
|
|
1833 |
// Notifies about end of AT command processing. This is after all reply data
|
|
|
1834 |
// for an AT command is multiplexed to the downstream.
|
|
|
1835 |
// ---------------------------------------------------------------------------
|
|
|
1836 |
//
|
|
|
1837 |
TInt CDunAtCmdHandler::NotifyEndOfProcessing( TInt /*aError*/ )
|
|
|
1838 |
{
|
|
|
1839 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyEndOfProcessing()" ) ));
|
|
|
1840 |
TBool editorMode = iCmdPusher->EditorMode();
|
|
|
1841 |
if ( editorMode )
|
|
|
1842 |
{
|
|
|
1843 |
ManageEditorModeReply( ETrue );
|
|
|
1844 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyEndOfProcessing() (editor) complete" ) ));
|
|
|
1845 |
return KErrNone;
|
|
|
1846 |
}
|
|
|
1847 |
HandleNextSubCommand();
|
|
|
1848 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyEndOfProcessing() complete" ) ));
|
|
|
1849 |
return KErrNone;
|
|
|
1850 |
}
|
|
|
1851 |
|
|
|
1852 |
// ---------------------------------------------------------------------------
|
|
|
1853 |
// From class MDunAtCmdPusher.
|
|
|
1854 |
// Notifies about request to stop AT command handling for the rest of the
|
|
|
1855 |
// command line data
|
|
|
1856 |
// ---------------------------------------------------------------------------
|
|
|
1857 |
//
|
|
|
1858 |
void CDunAtCmdHandler::NotifyEndOfCmdLineProcessing()
|
|
|
1859 |
{
|
|
|
1860 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyEndOfCmdLineProcessing()" ) ));
|
|
|
1861 |
ManageEndOfCmdHandling( ETrue, ETrue );
|
|
|
1862 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyEndOfCmdLineProcessing() complete" ) ));
|
|
|
1863 |
}
|
|
|
1864 |
|
|
|
1865 |
// ---------------------------------------------------------------------------
|
|
|
1866 |
// From class MDunAtCmdPusher.
|
|
|
1867 |
// Notifies about request to peek for the next command
|
|
|
1868 |
// ---------------------------------------------------------------------------
|
|
|
1869 |
//
|
|
|
1870 |
TBool CDunAtCmdHandler::NotifyNextCommandPeekRequest()
|
|
|
1871 |
{
|
|
|
1872 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyNextCommandPeekRequest()") ));
|
|
|
1873 |
TBool extracted = ExtractNextSubCommand( ETrue );
|
|
|
1874 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyNextCommandPeekRequest() complete") ));
|
|
|
1875 |
return extracted;
|
|
|
1876 |
}
|
|
|
1877 |
|
|
|
1878 |
// ---------------------------------------------------------------------------
|
|
|
1879 |
// From class MDunAtCmdPusher.
|
|
|
1880 |
// Notifies about editor mode reply
|
|
|
1881 |
// ---------------------------------------------------------------------------
|
|
|
1882 |
//
|
|
|
1883 |
TInt CDunAtCmdHandler::NotifyEditorModeReply()
|
|
|
1884 |
{
|
|
|
1885 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyEditorModeReply()") ));
|
|
|
1886 |
TInt retVal = ManageEditorModeReply( EFalse );
|
|
|
1887 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyEditorModeReply() complete") ));
|
|
|
1888 |
return retVal;
|
|
|
1889 |
}
|
|
|
1890 |
|
|
|
1891 |
// ---------------------------------------------------------------------------
|
|
|
1892 |
// From class MDunAtEcomListen.
|
|
|
1893 |
// Notifies about new plugin installation
|
|
|
1894 |
// ---------------------------------------------------------------------------
|
|
|
1895 |
//
|
|
|
1896 |
TInt CDunAtCmdHandler::NotifyPluginInstallation( TUid& /*aPluginUid*/ )
|
|
|
1897 |
{
|
|
|
1898 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginInstallation()" ) ));
|
|
|
1899 |
CDunAtUrcHandler* urcHandler = NULL;
|
|
|
1900 |
TRAPD( retTrap, urcHandler=AddOneUrcHandlerL() );
|
|
|
1901 |
if ( retTrap != KErrNone )
|
|
|
1902 |
{
|
|
|
1903 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginInstallation() (trapped!) complete" ) ));
|
|
|
1904 |
return retTrap;
|
|
|
1905 |
}
|
|
|
1906 |
TInt retTemp = urcHandler->IssueRequest();
|
|
|
1907 |
if ( retTemp != KErrNone )
|
|
|
1908 |
{
|
|
|
1909 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginInstallation() (issuerequest) complete" ) ));
|
|
|
1910 |
return retTemp;
|
|
|
1911 |
}
|
|
|
1912 |
TUid ownerUid = urcHandler->OwnerUid();
|
|
|
1913 |
iAtCmdExt.ReportListenerUpdateReady( ownerUid, EEcomTypeInstall );
|
|
|
1914 |
// As a last step recreate the special command data
|
|
|
1915 |
retTemp = RecreateSpecialCommands();
|
|
|
1916 |
if ( retTemp != KErrNone )
|
|
|
1917 |
{
|
|
|
1918 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginInstallation() (recreate) complete" ) ));
|
|
|
1919 |
return retTemp;
|
|
|
1920 |
}
|
|
|
1921 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginInstallation() complete" ) ));
|
|
|
1922 |
return KErrNone;
|
|
|
1923 |
}
|
|
|
1924 |
|
|
|
1925 |
// ---------------------------------------------------------------------------
|
|
|
1926 |
// From class MDunAtEcomListen.
|
|
|
1927 |
// Notifies about existing plugin uninstallation
|
|
|
1928 |
// ---------------------------------------------------------------------------
|
|
|
1929 |
//
|
|
|
1930 |
TInt CDunAtCmdHandler::NotifyPluginUninstallation( TUid& aPluginUid )
|
|
|
1931 |
{
|
|
|
1932 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginUninstallation()" ) ));
|
|
|
1933 |
TInt i;
|
|
|
1934 |
TInt count = iUrcHandlers.Count();
|
|
|
1935 |
for ( i=count-1; i>=0; i-- )
|
|
|
1936 |
{
|
|
|
1937 |
TUid ownerUid = iUrcHandlers[i]->OwnerUid();
|
|
|
1938 |
if ( ownerUid == aPluginUid )
|
|
|
1939 |
{
|
|
|
1940 |
delete iUrcHandlers[i];
|
|
|
1941 |
iUrcHandlers.Remove( i );
|
|
|
1942 |
iAtCmdExt.ReportListenerUpdateReady( ownerUid,
|
|
|
1943 |
EEcomTypeUninstall );
|
|
|
1944 |
}
|
|
|
1945 |
}
|
|
|
1946 |
// As a last step recreate the special command data
|
|
|
1947 |
TInt retTemp = RecreateSpecialCommands();
|
|
|
1948 |
if ( retTemp != KErrNone )
|
|
|
1949 |
{
|
|
|
1950 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginUninstallation() (recreate) complete" ) ));
|
|
|
1951 |
return retTemp;
|
|
|
1952 |
}
|
|
|
1953 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyPluginUninstallation() complete" ) ));
|
|
|
1954 |
return KErrNone;
|
|
|
1955 |
}
|
|
|
1956 |
|
|
|
1957 |
// ---------------------------------------------------------------------------
|
|
|
1958 |
// From class MDunAtModeListen.
|
|
|
1959 |
// Gets called on mode status change
|
|
|
1960 |
// ---------------------------------------------------------------------------
|
|
|
1961 |
//
|
|
|
1962 |
TInt CDunAtCmdHandler::NotifyModeStatusChange( TUint aMode )
|
|
|
1963 |
{
|
|
|
1964 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyModeStatusChange()") ));
|
|
|
1965 |
TBool commandModeSet = ManageCommandModeChange( aMode );
|
|
|
1966 |
TBool echoModeSet = ManageEchoModeChange( aMode );
|
|
|
1967 |
TBool quietModeSet = ManageQuietModeChange( aMode );
|
|
|
1968 |
TBool verboseModeSet = ManageVerboseModeChange( aMode );
|
|
|
1969 |
if ( quietModeSet || verboseModeSet )
|
|
|
1970 |
{
|
|
|
1971 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyModeStatusChange() new settings: E=%d, Q=%d, V=%d"), iEchoOn, iQuietOn, iVerboseOn ));
|
|
|
1972 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyModeStatusChange() (regenerate) mode set" ) ));
|
|
|
1973 |
RegenerateReplyStrings();
|
|
|
1974 |
return KErrNone;
|
|
|
1975 |
}
|
|
|
1976 |
// Keep the following after "quietModeSet || verboseModeSet" in order to
|
|
|
1977 |
// regenerate the reply also if two modes change at the same time
|
|
|
1978 |
if ( commandModeSet || echoModeSet )
|
|
|
1979 |
{
|
|
|
1980 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyModeStatusChange() new settings: E=%d, Q=%d, V=%d"), iEchoOn, iQuietOn, iVerboseOn ));
|
|
|
1981 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyModeStatusChange() mode set" ) ));
|
|
|
1982 |
return KErrNone;
|
|
|
1983 |
}
|
|
|
1984 |
ManageCharacterChange( aMode );
|
|
|
1985 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyModeStatusChange() new settings: CR=%u, LF=%u, BS=%u"), iCarriageReturn, iLineFeed, iBackspace ));
|
|
|
1986 |
RegenerateReplyStrings();
|
|
|
1987 |
FTRACE(FPrint( _L("CDunAtCmdHandler::NotifyModeStatusChange() complete") ));
|
|
|
1988 |
return KErrNone;
|
|
|
1989 |
}
|