telephonyserverplugins/multimodetsy/Multimode/gprs/GprsContext.cpp
changeset 0 3553901f7fa8
child 24 6638e7f4bd8f
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-1:000000000000 0:3553901f7fa8
       
     1 // Copyright (c) 2001-2009 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 "ATGprsContextActivate.H"
       
    17 #include "mSLOGGER.H"
       
    18 #include <pcktcs.h>
       
    19 #include "ATGprsConfig.h"
       
    20 #include "ATIO.H"
       
    21 #include "TSYCONFG.H"
       
    22 #include "NOTIFY.H"
       
    23 #include "ATSTD.H"
       
    24 #include "ATGprsContextDeactivate.H"
       
    25 #include "atgprscontextdelete.h"		// for CATGprsContextDelete class
       
    26 #include "gprsqos.h"
       
    27 
       
    28 #include <commsdattypesv1_1.h>
       
    29 
       
    30 /**
       
    31  * @file
       
    32  * This file implements the CGprsContext class. Used to implement the RPacketContext API.
       
    33  */
       
    34 
       
    35 CGprs* CGprsContext::Parent()
       
    36 	{return iParent;};
       
    37 
       
    38 CGprsContext* CGprsContext::NewL(CGprs* aParent,CATIO* aIo, CATInit* aInit, CPhoneGlobals* aPhoneGlobals, const TName& aName, TInt aCid, RPacketContext::TContextConfigGPRS* aContextConfigGPRS)
       
    39 /**
       
    40  * Standard 2 phase constructor.
       
    41  *
       
    42  * @param aTelObject pointer to parent.
       
    43  * @param aIo pointer to communication object.
       
    44  * @param aInit pointer to AT phone init object.
       
    45  * @param aPhoneGlobals pointer to phone global wide states.
       
    46  * @param aName new name for the context which this object will represent
       
    47  * @param aCid context ID of the context which this object will represent
       
    48  * @param aContextConfigGPRS configuration of the context which this object will represent
       
    49  */ 
       
    50 	{
       
    51 	CGprsContext* gprs=new(ELeave) CGprsContext(aParent, aIo, aInit, aPhoneGlobals, aCid);
       
    52 	CleanupStack::PushL(gprs);
       
    53 	gprs->ConstructL(aName, aContextConfigGPRS);
       
    54 	CleanupStack::Pop();
       
    55 	return gprs;
       
    56 	}
       
    57 
       
    58 
       
    59 CGprsContext::CGprsContext(CGprs* aParent, CATIO* aIo, CATInit*	aInit, CPhoneGlobals* aPhoneGlobals, TInt aCid) 
       
    60 	: CSubSessionExtBase(), iCid(aCid), iParent(aParent), iIo(aIo), iInit(aInit), iPhoneGlobals(aPhoneGlobals)
       
    61 /**
       
    62  * Constructor
       
    63  *
       
    64  * @param aParent pointer to parent.
       
    65  * @param aIo pointer to communication object.
       
    66  * @param aInit pointer to AT phone init object.
       
    67  * @param aPhoneGlobals pointer to phone global wide states.
       
    68  */
       
    69 	{
       
    70 	}
       
    71 
       
    72  
       
    73 void CGprsContext::ConstructL(const TName& aName, RPacketContext::TContextConfigGPRS* aContextConfigGPRS)
       
    74 /**
       
    75  * This function creates all objects on the heap that can leave.
       
    76  * @param aName Name of context.
       
    77  * @param aContextConfigV1 Default contest config.
       
    78  */
       
    79 	{
       
    80 	LOGTEXT(_L8("CGprsContext: Entered constructor"));
       
    81 	iConfigGPRS = *aContextConfigGPRS;
       
    82 	iInfo.iName.Copy(aName);
       
    83 	iATGprsContextActivate			= CATGprsContextActivate::NewL(iCid, iIo, this, iInit, iPhoneGlobals); 
       
    84 	iATGPRSSetConfig				= CATGPRSSetConfig::NewL(iCid, iIo, this, iInit, iPhoneGlobals);
       
    85 	iATGPRSGetConfig				= CATGPRSGetConfig::NewL(iCid, iIo, this, iInit, iPhoneGlobals);
       
    86 	iATGprsContextDeactivate		= CATGprsContextDeactivate::NewL(iIo, this, iInit, iPhoneGlobals); 
       
    87 	iATGprsContextDelete		    = CATGprsContextDelete::NewL(iIo, this, iInit, iPhoneGlobals); 
       
    88 	}
       
    89 
       
    90 
       
    91 CGprsContext::~CGprsContext()
       
    92 /**
       
    93  * Destructor
       
    94  */
       
    95 	{
       
    96 	LOGTEXT(_L8("CGprsContext: Entered destructor"));
       
    97 	iParent->RemoveContext(this);
       
    98 	iPhoneGlobals->iNotificationStore->RemoveClientFromLastEvents(this);
       
    99 	delete iATGprsContextDelete;
       
   100 	delete iATGprsContextActivate;
       
   101 	delete iATGPRSSetConfig;
       
   102 	delete iATGPRSGetConfig;
       
   103 	delete iATGprsContextDeactivate;
       
   104 	}
       
   105 
       
   106 
       
   107 void CGprsContext::Init()
       
   108 /**
       
   109  * This is not used. Init is done from the CPhone class.
       
   110  */
       
   111 	{
       
   112 	LOGTEXT(_L8("CGprsContext: init()"));
       
   113 	}
       
   114 
       
   115 
       
   116 CTelObject* CGprsContext::OpenNewObjectByNameL(const TDesC& /*aName*/)
       
   117 /**
       
   118  * This function is not used.
       
   119  */
       
   120 	{
       
   121 	LOGTEXT(_L8("CGprsContext::OpenNewObjectByNameL called"));
       
   122 	User::Leave(KErrNotSupported);
       
   123 	return NULL;
       
   124 	}
       
   125 
       
   126 
       
   127 CTelObject* CGprsContext::OpenNewObjectL(TDes& aNewName)
       
   128 /**
       
   129  * This function returns a pointer to a new QoS profile objecft (CGprsQoS)
       
   130  */
       
   131 	{
       
   132 	GenerateNewProfileName(aNewName); // create a unique name for this qos profile
       
   133 #if defined __LOGDEB__ 
       
   134     TBuf8<40> tmpLog;
       
   135     tmpLog.Copy(aNewName);
       
   136     LOGTEXT2(_L8("CGprs::OpenNewObjectL(), %S"), &tmpLog);
       
   137 #endif
       
   138 	CGprsQoS* qos = CGprsQoS::NewL(this, iCid, iIo, iInit, iPhoneGlobals, aNewName);
       
   139 	return qos;
       
   140 	} 
       
   141 
       
   142 
       
   143 CTelObject::TReqMode CGprsContext::ReqModeL(const TInt aIpc)
       
   144 /**
       
   145  * This function is called from the framework and checks the flow control for a IPC call.
       
   146  * @param aIpc IPC call from client.
       
   147  */
       
   148 	{
       
   149 	CTelObject::TReqMode ret=0;
       
   150 	switch (aIpc)
       
   151 		{
       
   152 		case EPacketContextActivate:
       
   153 		case EPacketContextDeactivate:
       
   154 		case EPacketContextSetConfig:
       
   155 		case EPacketContextLoanCommPort:
       
   156 			ret = KReqModeFlowControlObeyed;
       
   157 			break;
       
   158 
       
   159 		case EPacketContextDelete:
       
   160 		case EPacketContextGetStatus:
       
   161 		case EPacketContextGetLastErrorCause:
       
   162 		case EPacketContextGetConfig:
       
   163 		case EPacketContextGetDataVolumeTransferred:
       
   164 		case EPacketContextRecoverCommPort:
       
   165 			break;
       
   166 
       
   167 		case EPacketContextNotifyConfigChanged:
       
   168 		case EPacketContextNotifyStatusChange:
       
   169 			ret=KReqModeMultipleCompletionEnabled | KReqModeRePostImmediately;
       
   170 			break;
       
   171 			
       
   172 		default:
       
   173 			User::Leave(KErrNotSupported);
       
   174 			break;
       
   175 		}
       
   176 
       
   177 	// Check if the data port is currently loaned. If it is and the requested IPC
       
   178 	// is flow controlled then block Etel calling the IPC by leaving with KErrInUse
       
   179 	if((ret&KReqModeFlowControlObeyed) && iPhoneGlobals->iPhoneStatus.iDataPortLoaned)
       
   180 		{
       
   181 		LOGTEXT2(_L8("ReqModeL Leaving with KErrInUse as data port is loaned (aIpc=%d)"),aIpc);
       
   182 		User::Leave(KErrInUse);
       
   183 		}
       
   184 
       
   185 	return ret;
       
   186 	}
       
   187 	
       
   188 
       
   189 TInt CGprsContext::RegisterNotification(const TInt aIpc)
       
   190 /**
       
   191  * This function is called from the framework.
       
   192  *
       
   193  * @param  aIpc IPC call from client.
       
   194  */
       
   195 	{
       
   196 	LOGTEXT2(_L8("CGprsContext::RegisterNotification called with aIpc=%d"),aIpc);
       
   197 	switch (aIpc)
       
   198 		{
       
   199 		case EPacketContextNotifyConfigChanged:
       
   200 		case EPacketContextNotifyStatusChange:
       
   201 		case EPacketContextNotifyDataTransferred:
       
   202 			return KErrNone;
       
   203 		default:
       
   204 			// Unknown or invalid IPC
       
   205             LOGTEXT2(_L8("CGprsContext::RegisterNotification Error Unknown IPC, aIpc=%d"),aIpc);
       
   206 			return KErrNotSupported;
       
   207 		}
       
   208 	}
       
   209 
       
   210 
       
   211 TInt CGprsContext::DeregisterNotification(const TInt aIpc)
       
   212 /**
       
   213  * This function is called when the there is no client listening to a notification anymore.
       
   214  *
       
   215  * @param aIpc IPC call from client.
       
   216  */
       
   217 	{
       
   218 	LOGTEXT2(_L8("CGprs::DeregisterNotification called with aIpc=%d"),aIpc);
       
   219 	switch (aIpc)
       
   220 		{
       
   221 		case EPacketContextNotifyConfigChanged:
       
   222 		case EPacketContextNotifyStatusChange:
       
   223 		case EPacketContextNotifyDataTransferred:
       
   224 			return KErrNone;
       
   225 		default:
       
   226 			// Unknown or invalid IPC
       
   227             LOGTEXT2(_L8("CGprsContext::DeregisterNotification Error Unknown IPC, aIpc=%d"),aIpc);
       
   228 			return KErrNotSupported;
       
   229 		}
       
   230 	}
       
   231 
       
   232 
       
   233 TInt CGprsContext::NumberOfSlotsL(const TInt aIpc)
       
   234 	{
       
   235 	TInt numberOfSlots=0;
       
   236 	switch (aIpc)
       
   237 		{
       
   238 		case EPacketContextNotifyConfigChanged:
       
   239 		case EPacketContextNotifyStatusChange:
       
   240 		case EPacketContextNotifyDataTransferred:
       
   241 			LOGTEXT(_L8("CGprsContext: Registered with 5 slots"));
       
   242 			numberOfSlots=5;
       
   243 			break;
       
   244 		default:
       
   245 			// Unknown or invalid IPC
       
   246 			LOGTEXT(_L8("CGprsContext: Number of Slots error, unknown IPC"));
       
   247 			User::Leave(KErrNotSupported);
       
   248 			break;
       
   249 		}  
       
   250 	return numberOfSlots;
       
   251 
       
   252 	}
       
   253 
       
   254 
       
   255 TInt CGprsContext::ExtFunc(const TTsyReqHandle aTsyReqHandle,const TInt aIpc,const TDataPackage& aPackage)
       
   256 /**
       
   257  * This function is called from the framework.
       
   258  *
       
   259  * @param aTsyReqHandle handle to client.
       
   260  * @param aIpc IPC call from client.
       
   261  * @param aPackage agruments with the IPC call.
       
   262  */
       
   263 	{
       
   264 	TAny* dataPtr=aPackage.Ptr1();
       
   265 	TAny* dataPtr2=aPackage.Ptr2();
       
   266 	
       
   267 	if(ShouldNotProcessIpcCall(aIpc))
       
   268 		{// If the context is in state deleted these calls should not be processed.
       
   269 		ReqCompleted(aTsyReqHandle, KErrAccessDenied);
       
   270 		return KErrNone;
       
   271 		}
       
   272 	if(ShouldNotProcessIpcCallWhenComportIsLoaned(aIpc))
       
   273 		{// If the comport is loaned out ipcs that generate a at command shall be returned with KErrAccesssDenied
       
   274 		ReqCompleted(aTsyReqHandle, KErrAccessDenied);
       
   275 		return KErrNone;
       
   276 		}
       
   277 	switch (aIpc)
       
   278 		{
       
   279 		case EPacketContextSetConfig:
       
   280 			return SetConfig(aTsyReqHandle, aPackage.Des1n());
       
   281 		case EPacketContextGetConfig:
       
   282 			return GetConfig(aTsyReqHandle, aPackage.Des1n());
       
   283 		case EPacketContextNotifyConfigChanged:
       
   284 			return NotifyConfigChanged(aTsyReqHandle, aPackage.Des1n());
       
   285 		case EPacketContextActivate:
       
   286 			return Activate(aTsyReqHandle);
       
   287 		case EPacketContextDeactivate:
       
   288 			return Deactivate(aTsyReqHandle);
       
   289 		case EPacketContextDelete:
       
   290 			return Delete(aTsyReqHandle);
       
   291 		case EPacketContextLoanCommPort:
       
   292 			return LoanCommPort(aTsyReqHandle,
       
   293 			REINTERPRET_CAST(RCall::TCommPort*, dataPtr));
       
   294 		case EPacketContextRecoverCommPort:
       
   295 			return RecoverCommPort(aTsyReqHandle);
       
   296 		case EPacketContextGetStatus:
       
   297 			return GetStatus(aTsyReqHandle,
       
   298 			REINTERPRET_CAST(RPacketContext::TContextStatus*, dataPtr));
       
   299 		case EPacketContextNotifyStatusChange:
       
   300 			return NotifyStatusChange(aTsyReqHandle,
       
   301 			REINTERPRET_CAST(RPacketContext::TContextStatus*, dataPtr));
       
   302 		case EPacketContextGetDataVolumeTransferred:
       
   303 			return GetDataVolumeTransferred(aTsyReqHandle,
       
   304 			REINTERPRET_CAST(RPacketContext::TDataVolume*, dataPtr));
       
   305 		case EPacketContextNotifyDataTransferred:
       
   306 			return NotifyDataTransferred(aTsyReqHandle,
       
   307 			REINTERPRET_CAST(RPacketContext::TDataVolume*, dataPtr),
       
   308 			REINTERPRET_CAST(RPacketContext::TNotifyDataTransferredRequest*, dataPtr2));
       
   309 		case EPacketContextGetLastErrorCause:
       
   310 			return GetLastErrorCause(aTsyReqHandle,
       
   311 			REINTERPRET_CAST(TInt*, dataPtr));
       
   312 		default:
       
   313 			return KErrNotSupported;
       
   314 		}
       
   315 	}
       
   316 
       
   317 
       
   318 RPacketService::TContextInfo* CGprsContext::ContextInfo()
       
   319 /**
       
   320  * This function returns the current context info.
       
   321  */
       
   322 	{
       
   323 	return &iInfo;
       
   324 	}
       
   325 
       
   326 
       
   327 TInt CGprsContext::Cid()
       
   328 /**
       
   329  * This function returns the context id.
       
   330  */
       
   331 	{
       
   332 	return iCid;
       
   333 	}
       
   334 
       
   335 
       
   336 void CGprsContext::ContextInfo(RPacketService::TContextInfo* aInfo)
       
   337 /**
       
   338  * This function returns the current context info.
       
   339  * @param aInfo context info that is returned.
       
   340  */
       
   341 	{
       
   342 	aInfo->iName.Copy(iInfo.iName);
       
   343 	aInfo->iStatus = iInfo.iStatus;
       
   344 	}
       
   345 
       
   346 
       
   347 void CGprsContext::SetContextInfo(const RPacketService::TContextInfo* aContextInfo)
       
   348 /**
       
   349  * This function sets the current context info.
       
   350  * @param aContextInfo context into to set.
       
   351  */
       
   352 	{
       
   353 	iInfo.iName.Copy(aContextInfo->iName);
       
   354 	iInfo.iStatus = aContextInfo->iStatus;
       
   355 	}
       
   356 
       
   357 
       
   358 TDes* CGprsContext::ContextName()
       
   359 /**
       
   360  * This function returns the context name.
       
   361  */
       
   362 
       
   363 	{
       
   364 	return &iInfo.iName;
       
   365 	}
       
   366 
       
   367 
       
   368 RPacketContext::TContextConfigGPRS* CGprsContext::Config()
       
   369 /**
       
   370  * This function returns the context configuration.
       
   371  *
       
   372  */
       
   373 
       
   374 	{
       
   375 	return &iConfigGPRS;
       
   376 	}
       
   377 
       
   378 
       
   379 void CGprsContext::SetConfig(const RPacketContext::TContextConfigGPRS* aContextConfigGPRS)
       
   380 /**
       
   381  * This function sets the context configuration.
       
   382  * @param iContextConfigV10 Configuration to set.
       
   383  */
       
   384 
       
   385 	{
       
   386 	iConfigGPRS = *aContextConfigGPRS;
       
   387 	}	
       
   388 
       
   389 
       
   390 void CGprsContext::GenerateNewProfileName(TDes& aName)
       
   391 /**
       
   392  * This function generates a unique qos profile name and a free qosId number.
       
   393  *
       
   394  * @param aName New name of the profile that is generated.
       
   395  */
       
   396     {
       
   397     _LIT(KGprsName, "GPRS_QOS");
       
   398     aName.Append(KGprsName);
       
   399     aName.AppendNum(++iGprsQoSProfileCount);
       
   400     }
       
   401 
       
   402 TInt CGprsContext::CancelService(const TInt aIpc, const TTsyReqHandle aTsyReqHandle)
       
   403 /**
       
   404  * This function is called from the framework and cancels a outstanding request.
       
   405  * @param aIpc The IPC to cancel.
       
   406  * @param aTsyReqHandle the client handle to cancel.
       
   407  */
       
   408 	{
       
   409 	LOGTEXT(_L8("CGprsATContextTsy: - CancelService called"));
       
   410 	switch (aIpc)
       
   411 		{
       
   412 		case EPacketContextSetConfig:
       
   413 			return SetConfigCancel(aTsyReqHandle);
       
   414 		case EPacketContextGetConfig:
       
   415 			return GetConfigCancel(aTsyReqHandle);
       
   416 		case EPacketContextNotifyConfigChanged:
       
   417 			return NotifyConfigChangedCancel(aTsyReqHandle);
       
   418 		case EPacketContextActivate:
       
   419 			return ActivateCancel(aTsyReqHandle);
       
   420 		case EPacketContextDeactivate:
       
   421 			return DeactivateCancel(aTsyReqHandle);
       
   422 		case EPacketContextDelete:
       
   423 			return DeleteCancel(aTsyReqHandle);
       
   424 		case EPacketContextLoanCommPort:
       
   425 			return LoanCommPortCancel(aTsyReqHandle);
       
   426 		case EPacketContextRecoverCommPort:
       
   427 			return RecoverCommPortCancel(aTsyReqHandle);
       
   428 		case EPacketContextNotifyStatusChange:
       
   429 			return NotifyStatusChangeCancel(aTsyReqHandle);
       
   430 		case EPacketContextNotifyDataTransferred:
       
   431 			return NotifyDataTransferredCancel(aTsyReqHandle);
       
   432 		default:
       
   433 			return KErrNotSupported; 
       
   434 		}	 
       
   435 	}
       
   436 
       
   437 
       
   438  
       
   439 TInt CGprsContext::SetConfig(const TTsyReqHandle aTsyReqHandle,const TDesC8* aConfig)
       
   440 /**
       
   441  * Called from a client via ExtFunc.
       
   442  * This function will start a chain of AT commands to the phone(AT+CGQMIN and AT+CGQREQ).
       
   443  * 
       
   444  * @param aTsyReqHandle request handle that is completed when done with request.
       
   445  * @param  aConfig Pointer to a RPacketContext::TContextConfigPckg.
       
   446  */
       
   447 	{
       
   448 	LOGTEXT(_L8("CGprsContext::SetConfig called"));
       
   449 	iATGPRSSetConfig->ExecuteCommand(aTsyReqHandle, (TAny*)aConfig);
       
   450 	return KErrNone;
       
   451 	}
       
   452 
       
   453 
       
   454 TInt CGprsContext::SetConfigCancel(const TTsyReqHandle aTsyReqHandle)
       
   455 /**
       
   456  * Cancels a outstanding request. Called via CancelService.
       
   457  * 
       
   458  * @param aTsyReqHandle  The handle to cancel
       
   459  */
       
   460 	{
       
   461 	LOGTEXT(_L8("CGprsContext::SetConfigCancel called"));
       
   462 	iATGPRSSetConfig->CancelCommand(aTsyReqHandle);
       
   463 	return KErrNone;
       
   464 	}
       
   465 
       
   466 
       
   467 TInt CGprsContext::GetConfig(const TTsyReqHandle aTsyReqHandle,TDes8* aConfig)
       
   468 /**
       
   469  * Called from a client via ExtFunc.
       
   470  * This function will start a chain of AT commands to the phone(AT+CGQREQ?, AT+CGDCONT? and AT+CGQMIN?)
       
   471  * and query the settings in the phone.
       
   472  * 
       
   473  * @param aTsyReqHandle request handle that is completed when done with request.
       
   474  * @param  aConfig Pointer to a RPacketContext::TContextConfigPckg.
       
   475  */
       
   476 	{
       
   477 	LOGTEXT(_L8("CGprsContext::GetConfig called"));
       
   478 	iATGPRSGetConfig->ExecuteCommand(aTsyReqHandle, aConfig);
       
   479 	return KErrNone;
       
   480 	}
       
   481 
       
   482 
       
   483 TInt CGprsContext::GetConfigCancel(const TTsyReqHandle aTsyReqHandle)
       
   484 /**
       
   485  * Cancels a outstanding request. Called via CancelService.
       
   486  * 
       
   487  * @param aTsyReqHandle  The handle to cancel
       
   488  */
       
   489 	{
       
   490 	LOGTEXT(_L8("CGprsContext::GetConfigCancel called"));
       
   491 	iATGPRSGetConfig->CancelCommand(aTsyReqHandle);		
       
   492 	return KErrNone;
       
   493 	}
       
   494 
       
   495 
       
   496 
       
   497 TInt CGprsContext::NotifyConfigChanged(const TTsyReqHandle aTsyReqHandle, TDes8* aConfig)
       
   498 /**
       
   499  * Called from a client via ExtFunc.
       
   500  * This function will complete when EPacketContextConfigChange event is triggered.
       
   501  *
       
   502  * @param aTsyReqHandle  request handle that is completed.
       
   503  * @param  aConfig  Pointer to a RPacketContext::TContextConfigPckg      
       
   504  */
       
   505 	{
       
   506 	LOGTEXT(_L8("CGprsContext::NotifyConfigChanged called"));
       
   507 	iPhoneGlobals->iNotificationStore->RegisterNotification(EPacketContextConfigChange, aTsyReqHandle, this, aConfig);
       
   508 	return KErrNone;
       
   509 	}
       
   510 
       
   511 
       
   512 TInt CGprsContext::NotifyConfigChangedCancel(const TTsyReqHandle aTsyReqHandle)
       
   513 /**
       
   514  * Cancels a outstanding request. Called via CancelService.
       
   515  * @param aTsyReqHandle  The handle to cancel
       
   516  */
       
   517 	{
       
   518 	LOGTEXT(_L8("CGprsContext::NotifyConfigChangedCancel called"));
       
   519 	iPhoneGlobals->iNotificationStore->RemoveNotification(aTsyReqHandle);
       
   520 	return KErrNone;
       
   521 	}
       
   522 
       
   523 
       
   524 TInt CGprsContext::Deactivate(const TTsyReqHandle aTsyReqHandle)
       
   525 /**
       
   526  * Called from a client via ExtFunc.
       
   527  * This function will start the sending of a AT command(ATD*99# or ATD*99***1#).
       
   528  * @param aTsyReqHandle  request handle that is completed when done with request.
       
   529  */
       
   530 	{
       
   531 	LOGTEXT(_L8("CGprsContext::Deactivate called"));
       
   532 	iIo->DropDtr();		// Drops DTR	
       
   533 	RPacketService::TContextInfo iContextInfo;
       
   534 	ContextInfo(&iContextInfo);
       
   535 	iContextInfo.iStatus = RPacketContext::EStatusDeactivating;
       
   536 	SetContextInfo(&iContextInfo);
       
   537 	iPhoneGlobals->iNotificationStore->CheckNotification(this, EPacketContextStatusChanged);
       
   538 	
       
   539 	// Can not call ExecuteCommand as we do not want the 
       
   540 	// iATSetToOnlineCommandMode->StartEscapeSequence() to be called.
       
   541 	iATGprsContextDeactivate->Start(aTsyReqHandle, NULL);
       
   542 	return KErrNone;
       
   543 	}
       
   544 
       
   545 
       
   546 TInt CGprsContext::DeactivateCancel(const TTsyReqHandle aTsyReqHandle)
       
   547 /**
       
   548  * Cancels a outstanding request. Called via CancelService.
       
   549  * 
       
   550  * @param aTsyReqHandle  The handle to cancel
       
   551  */
       
   552 	{
       
   553 	LOGTEXT(_L8("CGprsContext::DeactivateCancel called"));
       
   554 	iATGprsContextDeactivate->CancelCommand( aTsyReqHandle);
       
   555 	return KErrNone;
       
   556 	}
       
   557 
       
   558 
       
   559 TInt CGprsContext::Activate(const TTsyReqHandle aTsyReqHandle)
       
   560 /**
       
   561  * Called from a client via ExtFunc.
       
   562  * This function will start the sending of a AT command(AT+CGATT=1).
       
   563  *
       
   564  * @param aTsyReqHandle  request handle that is completed when done with request.
       
   565  */
       
   566 
       
   567 	{
       
   568 	LOGTEXT(_L8("CGprsContext::Activate called"));
       
   569 	RPacketService::TContextInfo iContextInfo;
       
   570 	iContextInfo = *ContextInfo();
       
   571 	iContextInfo.iStatus = RPacketContext::EStatusActivating;
       
   572 	SetContextInfo(&iContextInfo);
       
   573 	iPhoneGlobals->iNotificationStore->CheckNotification(this, EPacketContextStatusChanged);
       
   574 	iATGprsContextActivate->ExecuteCommand(aTsyReqHandle,NULL);
       
   575 	return KErrNone;
       
   576 	}
       
   577 
       
   578 
       
   579 TInt CGprsContext::ActivateCancel(const TTsyReqHandle aTsyReqHandle)
       
   580 /**
       
   581  * Cancels a outstanding request. Called via CancelService.
       
   582  * 
       
   583  * @param aTsyReqHandle  The handle to cancel
       
   584  */
       
   585 	{
       
   586 	LOGTEXT(_L8("CGprsContext::ActivateCancel called"));
       
   587 	iATGprsContextActivate->CancelCommand(aTsyReqHandle);
       
   588 	return KErrNone;
       
   589 	}
       
   590 
       
   591 
       
   592 TInt CGprsContext::Delete(const TTsyReqHandle aTsyReqHandle)
       
   593 /**
       
   594  * Called from a client via ExtFunc.
       
   595  * This function will set a context as deleted, thus rendering it useless.
       
   596  * @param aTsyReqHandle  request handle that is completed when done with request.
       
   597  */
       
   598 	{
       
   599 	LOGTEXT(_L8("CGprsContext::Delete called"));
       
   600 	if(iInfo.iStatus!=RPacketContext::EStatusUnknown && iInfo.iStatus!=RPacketContext::EStatusInactive)
       
   601 		{
       
   602 		//
       
   603 		// Complete with KErrGeneral as this context is not in a state
       
   604 		// which will allow a deletion
       
   605 		ReqCompleted(aTsyReqHandle, KErrGeneral);
       
   606 		}
       
   607 	else
       
   608 		{
       
   609 		//
       
   610 		// Start an AT command state machine which 
       
   611 		// will delete the context from the phone
       
   612 		iATGprsContextDelete->ExecuteCommand(aTsyReqHandle,&iCid);
       
   613 		}
       
   614 	return KErrNone;
       
   615 	}
       
   616 
       
   617 
       
   618 TInt CGprsContext::DeleteCancel(const TTsyReqHandle aTsyReqHandle)
       
   619 /**
       
   620  * Cancels a outstanding request. Called via CancelService.
       
   621  * @param aTsyReqHandle  The handle to cancel
       
   622  */
       
   623 	{
       
   624 	LOGTEXT(_L8("CGprsContext::DeleteCancel called"));
       
   625 	iATGprsContextDelete->CancelCommand(aTsyReqHandle);
       
   626 	return KErrNone;
       
   627 	}
       
   628 
       
   629 
       
   630 TInt CGprsContext::LoanCommPort(const TTsyReqHandle aTsyReqHandle,RCall::TCommPort* aDataPort)
       
   631 /**
       
   632  * Called from a client via ExtFunc.
       
   633  * This function will stop the TSY from using the comport and loan it to the client.
       
   634  *
       
   635  * @param aTsyReqHandle  request handle that is completed when done with request.
       
   636  * @param  aDataPort      Pointer to a RCall::TCommPort
       
   637  */
       
   638 	{
       
   639 	LOGTEXT(_L8("CGprsContext::LoanCommPort called"));
       
   640 
       
   641 	// Check that this context is active
       
   642 	if(ContextInfo()->iStatus != RPacketContext::EStatusActive)
       
   643 		{
       
   644 		ReqCompleted(aTsyReqHandle,KErrNotReady);
       
   645 		return KErrNone;
       
   646 		}
       
   647 
       
   648 	// Check we have not already loaned the port
       
   649 	if(iPhoneGlobals->iPhoneStatus.iDataPortLoaned)
       
   650 		{
       
   651 		ReqCompleted(aTsyReqHandle,KErrEtelPortAlreadyLoaned);
       
   652 		return KErrNone;
       
   653 		}
       
   654 
       
   655 	TFileName csy;
       
   656 	TName port;
       
   657 	TInt ret=iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNameCsyName),csy);
       
   658 	if (ret!=KErrNone)
       
   659 		{
       
   660 		ReqCompleted(aTsyReqHandle, ret);
       
   661 		return KErrNone;
       
   662 		}
       
   663 	ret=iPhoneGlobals->iConfiguration->ConfigModemString(TPtrC(KCDTypeNamePortName),port);
       
   664 	if (ret!=KErrNone)
       
   665 		{
       
   666 		ReqCompleted(aTsyReqHandle, ret);
       
   667 		return KErrNone;
       
   668 		}
       
   669 	aDataPort->iCsy.Copy(csy);
       
   670 	aDataPort->iPort.Copy(port);
       
   671 
       
   672 	iPhoneGlobals->iPhoneStatus.iDataPortLoaned = ETrue;
       
   673 	iPhoneGlobals->iNotificationStore->CheckNotification(this,EDataPortLoaned);
       
   674 
       
   675 	// Cancel all reads and writes on the serial port
       
   676 	iIo->Cancel();
       
   677 	ReqCompleted(aTsyReqHandle,KErrNone);
       
   678 	return KErrNone;
       
   679 	}
       
   680 
       
   681 
       
   682 TInt CGprsContext::LoanCommPortCancel(const TTsyReqHandle aTsyReqHandle)
       
   683 /**
       
   684  * Cancels a outstanding request. Called via CancelService.
       
   685  * 
       
   686  * @param aTsyReqHandle  The handle to cancel
       
   687  */
       
   688 	{
       
   689 	LOGTEXT(_L8("CGprsContext::LoanCommPortCancel called"));
       
   690 	ReqCompleted(aTsyReqHandle,KErrCancel);
       
   691 	return KErrNone;
       
   692 	}
       
   693 
       
   694 
       
   695 TInt CGprsContext::RecoverCommPort(const TTsyReqHandle aTsyReqHandle)
       
   696 /**
       
   697  * Called from a client via ExtFunc.
       
   698  * This function will enable the TSY to use the comport again.
       
   699  *
       
   700  * @param aTsyReqHandle  request handle that is completed when done with request.
       
   701  * @param  aDataPort      Pointer to a RCall::TCommPort
       
   702  */
       
   703 	{
       
   704 	LOGTEXT(_L8("CGprsContext::RecoverCommPort called"));
       
   705 	if(iPhoneGlobals->iPhoneStatus.iDataPortLoaned)
       
   706 		{
       
   707 		iIo->Read();				// Queue a read again on the comm port
       
   708 		iPhoneGlobals->iPhoneStatus.iDataPortLoaned = EFalse;
       
   709 		LOGTEXT2(_L8("Comm signals : %x (hex)"),iIo->Signals());
       
   710 		LOGTEXT2(_L8("Comm signals after ResetBuffers : %x (hex)"),iIo->Signals());
       
   711 		}
       
   712 	else
       
   713 		{
       
   714 		ReqCompleted(aTsyReqHandle,KErrEtelPortNotLoanedToClient);
       
   715 		return KErrNone;
       
   716 		}
       
   717 	ReqCompleted(aTsyReqHandle,KErrNone);
       
   718 	return KErrNone;
       
   719 	}
       
   720 
       
   721 
       
   722 TInt CGprsContext::RecoverCommPortCancel(const TTsyReqHandle aTsyReqHandle)	
       
   723 /**
       
   724  * Cancels a outstanding request. Called via CancelService.
       
   725  * 
       
   726  * @param aTsyReqHandle  The handle to cancel
       
   727  */
       
   728 	{
       
   729 	LOGTEXT(_L8("CGprsContext::RecoverCommPortCancel called"));
       
   730 	ReqCompleted(aTsyReqHandle,KErrCancel);
       
   731 	return KErrNone;
       
   732 	}
       
   733 
       
   734 
       
   735 TInt CGprsContext::GetStatus(const TTsyReqHandle aTsyReqHandle,RPacketContext::TContextStatus* aContextStatus)
       
   736 /**
       
   737  * Called from a client via ExtFunc.
       
   738  * This function will return the current state of the CGprsContext object.
       
   739  *
       
   740  * @param aTsyReqHandle    request handle that is completed when done with request.
       
   741  * @param  aContextStatus  Pointer to a RPacketContext::TContextStatus.
       
   742  */
       
   743 	{
       
   744 	LOGTEXT(_L8("CGprsContext::GetStatus called"));
       
   745 	*aContextStatus = ContextInfo()->iStatus;
       
   746 	ReqCompleted(aTsyReqHandle,KErrNone);
       
   747 	return KErrNone;
       
   748 	}
       
   749 
       
   750 
       
   751 TInt CGprsContext::NotifyStatusChange(const TTsyReqHandle aTsyReqHandle,RPacketContext::TContextStatus* aContextStatus)
       
   752 /**
       
   753  * Called from a client via ExtFunc.
       
   754  * This function will complete when EPacketContextStatusChanged event is triggered.
       
   755  *
       
   756  * @param aTsyReqHandle  request handle that is completed.
       
   757  * @param  aConfig  Pointer to a RPacketContext::TContextStatus    
       
   758  */
       
   759 	{
       
   760 	LOGTEXT(_L8("CGprsContext::NotifyStatusChange called"));
       
   761 	iPhoneGlobals->iNotificationStore->RegisterNotification(EPacketContextStatusChange, aTsyReqHandle, this, aContextStatus);
       
   762 	return KErrNone;
       
   763 	}
       
   764 
       
   765 
       
   766 TInt CGprsContext::NotifyStatusChangeCancel(const TTsyReqHandle aTsyReqHandle)
       
   767 /**
       
   768  * Cancels a outstanding request. Called via CancelService.
       
   769  * 
       
   770  * @param aTsyReqHandle  The handle to cancel
       
   771  */
       
   772 	{
       
   773 	LOGTEXT(_L8("CGprsContext::NotifyStatusChangeCancel called"));
       
   774 	iPhoneGlobals->iNotificationStore->RemoveNotification(aTsyReqHandle);
       
   775 	return KErrNone;
       
   776 	}
       
   777 
       
   778 
       
   779 TInt CGprsContext::GetDataVolumeTransferred(const TTsyReqHandle aTsyReqHandle,RPacketContext::TDataVolume* /*aVolume*/)
       
   780 /**
       
   781  * This function is not supported.
       
   782  * 
       
   783  * @param aTsyReqHandle   request handle that is completed.
       
   784  */
       
   785 	{
       
   786 	LOGTEXT(_L8("CGprsContext::GetDataVolumeTransferred called"));
       
   787 	ReqCompleted(aTsyReqHandle, KErrNotSupported); // Req67
       
   788 	return KErrNone;
       
   789 	}
       
   790 
       
   791 
       
   792 TInt CGprsContext::NotifyDataTransferred(const TTsyReqHandle aTsyReqHandle, RPacketContext::TDataVolume* /*aVolume*/, RPacketContext::TNotifyDataTransferredRequest* /*aData*/)
       
   793 /**
       
   794  * This function is not supported.
       
   795  * 
       
   796  * @param aTsyReqHandle   request handle that is completed.
       
   797  */
       
   798 	{
       
   799 	LOGTEXT(_L8("CGprsContext::NotifyStatusChange called"));
       
   800 	ReqCompleted(aTsyReqHandle, KErrNotSupported); // Req68
       
   801 	return KErrNone;
       
   802 	}
       
   803 
       
   804 
       
   805 TInt CGprsContext::NotifyDataTransferredCancel(const TTsyReqHandle aTsyReqHandle)
       
   806 /**
       
   807  * Cancels a outstanding notification. Called via CancelService.
       
   808  * 
       
   809  * @param aTsyReqHandle  The handle to cancel
       
   810  */
       
   811 	{
       
   812 	LOGTEXT(_L8("CGprsContext::NotifyDataTransferredCancel called"));
       
   813 	ReqCompleted(aTsyReqHandle, KErrCancel); // Req69
       
   814 	return KErrNone;
       
   815 	}
       
   816 
       
   817 
       
   818 TInt CGprsContext::GetLastErrorCause(const TTsyReqHandle aTsyReqHandle,TInt* /*aError*/)
       
   819 /**
       
   820  * This function is not supported.
       
   821  * 
       
   822  * @param aTsyReqHandle   request handle that is completed.
       
   823  */
       
   824 	{
       
   825 	LOGTEXT(_L8("CGprsContext::GetLastErrorCause called"));
       
   826 	ReqCompleted(aTsyReqHandle,KErrNotSupported); // Req70
       
   827 	return KErrNone;
       
   828 	}
       
   829 
       
   830 
       
   831 TBool CGprsContext::ShouldNotProcessIpcCall(TInt aIpc)
       
   832 /**
       
   833  * This function indicates if a IPC should not be handled.
       
   834  * @param aIPC A IPC call number.
       
   835  */
       
   836 	{
       
   837 	if(iInfo.iStatus != RPacketContext::EStatusDeleted)
       
   838 		return EFalse;
       
   839 	
       
   840 	switch(aIpc)
       
   841 		{
       
   842 		case EPacketContextSetConfig:
       
   843 		case EPacketContextGetConfig:
       
   844 		case EPacketContextNotifyConfigChanged:
       
   845 		case EPacketContextActivate:
       
   846 		case EPacketContextDeactivate:
       
   847 		case EPacketContextDelete:
       
   848 		case EPacketContextLoanCommPort:
       
   849 		case EPacketContextRecoverCommPort:
       
   850 			LOGTEXT(_L8("CGprsContext::ShouldNotProcessIpcCall, context deleted. This ipc is not legal"));
       
   851 			return ETrue;
       
   852 		default:
       
   853 			return EFalse;
       
   854 		}
       
   855 	}
       
   856 
       
   857 
       
   858 TBool CGprsContext::ShouldNotProcessIpcCallWhenComportIsLoaned(TInt aIpc)
       
   859 /**
       
   860  * This function indicates if a IPC should not be handled when comport is loaned.
       
   861  * @param aIPC A IPC call number.
       
   862  */
       
   863 	{
       
   864 	if(!iPhoneGlobals->iPhoneStatus.iDataPortLoaned)
       
   865 		return EFalse;
       
   866 	switch(aIpc)
       
   867 		{
       
   868 		case EPacketContextSetConfig:
       
   869 		case EPacketContextGetConfig:
       
   870 		case EPacketContextNotifyConfigChanged:
       
   871 		case EPacketContextActivate:
       
   872 		case EPacketContextDeactivate:
       
   873 		case EPacketContextDelete:
       
   874 		case EPacketContextLoanCommPort:
       
   875 			LOGTEXT(_L8("CGprsContext::ShouldNotProcessIpcCallWhenComportIsLoaned, comport loaned out. This ipc is not legal"));
       
   876 			return ETrue;
       
   877 		default:
       
   878 			return EFalse;
       
   879 		}
       
   880 	}
       
   881 
       
   882 void CGprsContext::RemoveQoSProfileIfFound(CGprsQoS* aProfile)
       
   883 /**
       
   884  * This function removes a QoS profile from the list.
       
   885  * @param aProfile The QoS profile to remove from linked list.
       
   886  */
       
   887     {
       
   888 #ifdef _DEBUG
       
   889     TBuf8<KMaxName> tmpLog;
       
   890     tmpLog.Copy(*(aProfile->GetProfileName()));	// Convert 16bit string to 8bit so we can log it
       
   891     LOGTEXT2(_L8("CGprsContext::RemoveQoSProfileIfFound called, %S"), &tmpLog);
       
   892 #endif
       
   893     CGprsQoSEntry* profileEntry;
       
   894     TDblQueIter<CGprsQoSEntry> iter(iProfiles);
       
   895     while (profileEntry=iter++, profileEntry)
       
   896         {
       
   897         if (profileEntry->iProfile == aProfile)
       
   898             {
       
   899             profileEntry->Deque();
       
   900             delete profileEntry;    // just deletes list entry, not the profile itself
       
   901             break;
       
   902             }
       
   903         }
       
   904     }
       
   905 
       
   906 //
       
   907 // CGprsQoSEntry class
       
   908 //
       
   909 
       
   910 CGprsQoSEntry::CGprsQoSEntry(CGprsQoS* aProfile)
       
   911 : iProfile(aProfile)
       
   912 /**
       
   913  * Constructor
       
   914  * @param aProfile QoS Profile to add to entry
       
   915  */
       
   916     {}
       
   917 
       
   918 
       
   919 CGprsQoSEntry::~CGprsQoSEntry()
       
   920 /**
       
   921  * Destructor
       
   922  */
       
   923     {}
       
   924 
       
   925 
       
   926 void CGprsQoSEntry::Deque()
       
   927 /**
       
   928  * Remove entry from TDblQue link
       
   929  */
       
   930     {
       
   931     iLink.Deque();
       
   932     iLink.iPrev=iLink.iNext=NULL;
       
   933     }