telephonyserverplugins/multimodetsy/hayes/set_cbst.cpp
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     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <etelmm.h>					// MultiMode Etel API
       
    17 #include "set_cbst.h"				// Header file for this file
       
    18 #include "mSLOGGER.H"				// For LOGTEXT macros
       
    19 #include "ATIO.H"					// For CATIO class
       
    20 #include "Matstd.h"					// For KCBSTResponseString
       
    21 #include "CALL.H"					// For CCallHayes
       
    22 
       
    23 //
       
    24 // Macro for logging
       
    25 #ifdef __LOGDEB__
       
    26 _LIT8(KLogEntry,"CATSetCBST::%S\t%S");
       
    27 #define LOCAL_LOGTEXT(function,text) {_LIT8(F,function);_LIT8(T,text);LOGTEXT3(KLogEntry,&F,&T);}
       
    28 #else
       
    29 #define LOCAL_LOGTEXT(function,text)
       
    30 #endif
       
    31 
       
    32 
       
    33 CATSetCBST* CATSetCBST::NewL(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
    34 	{
       
    35 	CATSetCBST* self=new(ELeave) CATSetCBST(aIo, aTelObject, aInit,aPhoneGlobals);
       
    36 	CleanupStack::PushL(self);
       
    37 	self->ConstructL();
       
    38 	CleanupStack::Pop();
       
    39 	return self;
       
    40 	}
       
    41 
       
    42 CATSetCBST::CATSetCBST(CATIO* aIo, CTelObject* aTelObject,CATInit* aInit,CPhoneGlobals* aPhoneGlobals)
       
    43 											: CATCommands(aIo,aTelObject,aInit,aPhoneGlobals)
       
    44 	{}
       
    45 
       
    46 
       
    47 void CATSetCBST::Stop(TTsyReqHandle)
       
    48 	{
       
    49 	// The CATSetCBST AT command can not be cancelled
       
    50 	}
       
    51 
       
    52 
       
    53 void CATSetCBST::CompleteWithIOError(TEventSource /*aSource*/,TInt aStatus)
       
    54 	{
       
    55 	if (iState!=EATNotInProgress)
       
    56 		{
       
    57 		iState = EATNotInProgress;
       
    58 		iIo->WriteAndTimerCancel(this);
       
    59 		REINTERPRET_CAST(CCallHayes*,iTelObject)->SetToIdleAndCompleteReq(iReqHandle,aStatus);
       
    60 		}
       
    61 	}
       
    62 
       
    63 void CATSetCBST::Start(TTsyReqHandle aTsyReqHandle, TAny* aNextCmdToExecute)
       
    64 	{
       
    65 	LOCAL_LOGTEXT("Start","Enter function");
       
    66 
       
    67 	iReqHandle = aTsyReqHandle;
       
    68 	iNextCmdToExecute=(CATCommands*)aNextCmdToExecute;
       
    69 
       
    70 	//
       
    71 	// Assemble and send (if required) the +CBST=... string to the phone
       
    72 	// to configure the settings for the next data call.
       
    73 	// Use utility function provided by CCallMobileData
       
    74 	CCallMobileData* parent=static_cast<CCallMobileData*>(iTelObject);
       
    75 	if(parent->AssembleCBSTSetString(iTxBuffer)==KErrNone)
       
    76 		{
       
    77 		//
       
    78 		// Send our AT command to the phone
       
    79 		iIo->Write(this,iTxBuffer);
       
    80 		iIo->SetTimeOut(this);	
       
    81 		iState=EWaitForWriteComplete;
       
    82 		}
       
    83 	else
       
    84 		{
       
    85 		// We have not sent a +CBST= to the phone, so complete now
       
    86 		LOCAL_LOGTEXT("Start","Not enough parameters to send +CBST= command");
       
    87 		Complete(KErrNone,EReadCompletion);	// This is not a read completeion, but pretend it is
       
    88 		}
       
    89 	}
       
    90 
       
    91 
       
    92 void CATSetCBST::EventSignal(TEventSource aSource)
       
    93 	{
       
    94 	LOGTEXT2(_L8("CATSetCBST::EventSignal with iState %d"),iState);
       
    95 	if (aSource==ETimeOutCompletion && iState!=EATNotInProgress)
       
    96 		{
       
    97 		LOCAL_LOGTEXT("EventSignal","Timeout event");
       
    98 		iIo->RemoveExpectStrings(this);
       
    99 		iState = EATNotInProgress;
       
   100 		Complete(KErrTimedOut,aSource);
       
   101 		return;
       
   102 		}
       
   103 
       
   104 	switch(iState)
       
   105 		{
       
   106 	case EWaitForWriteComplete:
       
   107 		__ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected));
       
   108 		iIo->WriteAndTimerCancel(this);
       
   109 		StandardWriteCompletionHandler(aSource, 5);
       
   110 		iState=EWaitForReadComplete;
       
   111 		break;
       
   112 
       
   113 	case EWaitForReadComplete:
       
   114 		__ASSERT_ALWAYS(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionWaitExpected));
       
   115 		iIo->WriteAndTimerCancel(this);
       
   116 		// There is no need to validate the response from the modem
       
   117 		// as we are going to ignore it anyway.
       
   118 		Complete(KErrNone,aSource);
       
   119 		break;
       
   120 	
       
   121 	default:		// Required to avoid warnings in ARMI UREL build
       
   122 		break;
       
   123 		}		
       
   124 	}
       
   125 
       
   126 
       
   127 void CATSetCBST::Complete(TInt aError,TEventSource aSource)
       
   128 	{
       
   129 	LOCAL_LOGTEXT("Complete","Enter function");
       
   130 
       
   131 	iIo->WriteAndTimerCancel(this);
       
   132 	iIo->RemoveExpectStrings(this);
       
   133 
       
   134 	// If we have been asked to kick off another AT state machine,
       
   135 	// then do it here. Otherwise complete the client request as normal.
       
   136 	if(iNextCmdToExecute)
       
   137 		{
       
   138 		LOCAL_LOGTEXT("Complete","Starting next AT command");
       
   139 
       
   140 		// We have to change the iEventSignalActive manually as we are not calling
       
   141 		// CATCommands::Complete. It is safe to do this as we know we have fisnihed 
       
   142 		// our processing.
       
   143 		iPhoneGlobals->iEventSignalActive = EFalse;
       
   144 
       
   145 		iNextCmdToExecute->ExecuteCommand(iReqHandle,NULL,iCallInfo);
       
   146 		}
       
   147 	else
       
   148 		{
       
   149 		LOCAL_LOGTEXT("Complete","No need to start antoher AT command");
       
   150 		CATCommands::Complete(aError,aSource);
       
   151 		// This state machine should never complete a client request.
       
   152 		// There is no 'send CBST to phone' client request, this state machine
       
   153 		// is used as part of processing other client requests (eg. AnswerIncomingCall).
       
   154 		}
       
   155 
       
   156 	iState = EATNotInProgress;
       
   157 	}