os/ossrv/genericservices/taskscheduler/SCHSVR/SSCH_SES.CPP
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericservices/taskscheduler/SCHSVR/SSCH_SES.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,837 @@
     1.4 +// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +// User includes
    1.20 +#include "SSCH_STD.H"
    1.21 +#include "CSCHCODE.H"
    1.22 +#include "SCHCLI.H"
    1.23 +#include "SchLogger.h"
    1.24 +#include "SCHMAN.H"
    1.25 +#include "SCHEDULE.H"
    1.26 +#include <schtask.h>
    1.27 +
    1.28 +// Constants
    1.29 +const TInt KSchedulerArrayGranularity = 1; 
    1.30 +_LIT(KSchedulerPanic, "Task Scheduler");
    1.31 +
    1.32 +void PanicClient(TInt aPanic, const RMessage2& aMessage)
    1.33 +//
    1.34 +// Toast the client
    1.35 +//
    1.36 +	{
    1.37 +	//Note that panic also completes the message so don't complete anywhere else
    1.38 +	aMessage.Panic(KSchedulerPanic,aPanic);
    1.39 +	}
    1.40 +	
    1.41 +CSchSession::CSchSession(CTaskScheduler& aScheduler)
    1.42 +//
    1.43 +// C'Tor - must pass client to CSession
    1.44 +//
    1.45 +	:	CSession2(), 
    1.46 +		iTaskScheduler(&aScheduler), 
    1.47 +		iClient(NULL)
    1.48 +	{
    1.49 +	}
    1.50 +
    1.51 +CSchSession::~CSchSession()
    1.52 +	{
    1.53 +	if (iClient)
    1.54 +		{
    1.55 +		iClient->DecUsers();
    1.56 +		if (!iClient->Users())
    1.57 +			{
    1.58 +			iClient->Remove();
    1.59 +			delete iClient;
    1.60 +			iClient = NULL;
    1.61 +			}
    1.62 +		}
    1.63 +	if(!iPendingNotification.IsNull())
    1.64 +		iPendingNotification.Complete(KErrCancel);	
    1.65 +	}
    1.66 +	
    1.67 +void CSchSession::ServiceError(const RMessage2& aMessage,TInt aError)
    1.68 +//
    1.69 +// Handle an error or leave from CMySession::ServiceL()
    1.70 +// A bad descriptor error implies a badly programmed client, so panic it;
    1.71 +// otherwise use the default handling (report the error to the client)
    1.72 +//
    1.73 +	{
    1.74 +	if (aError==KErrBadDescriptor)
    1.75 +		PanicClient(EPanicBadDescriptor,aMessage);
    1.76 +	CSession2::ServiceError(aMessage,aError);
    1.77 +	}
    1.78 +
    1.79 +void CSchSession::ServiceL(const RMessage2& aMessage)
    1.80 +//
    1.81 +//	Handle messages for this session.
    1.82 +//	all API functions are synchronous so complete here too
    1.83 +//
    1.84 +	{
    1.85 +	
    1.86 +	iClientMessage = BSUL::CClientMessage::NewL(aMessage);
    1.87 +	
    1.88 +	//Validate the message
    1.89 +	TRAPD(error, iClientMessage->ValidateL());
    1.90 +	
    1.91 +	if(error == KErrNone)
    1.92 +		{
    1.93 +		TRAP(error, DoServiceL());
    1.94 +		}
    1.95 +	
    1.96 +   	// don't complete message if we have paniced client (ie message is NULL)
    1.97 +   	iClientMessage->CompleteRequestL(error);
    1.98 +
    1.99 +   	delete iClientMessage;
   1.100 +   	iClientMessage = NULL;   	
   1.101 +	}
   1.102 +
   1.103 +void CSchSession::DoServiceL()
   1.104 +//
   1.105 +//	Handle messages for this session.
   1.106 +//	all API functions are synchronous so complete here too
   1.107 +//
   1.108 +	{
   1.109 +	switch (iClientMessage->Function())
   1.110 +		{
   1.111 +#if defined (_DEBUG)
   1.112 +	case ESchDbgMarkHeap:
   1.113 +		__UHEAP_MARK;
   1.114 +		break;
   1.115 +	case ESchDbgCheckHeap:
   1.116 +		__UHEAP_CHECK(iClientMessage->GetIntL(0));
   1.117 +		break;
   1.118 +	case ESchDbgMarkEnd:
   1.119 +		{
   1.120 +		TInt count = iClientMessage->GetIntL(0);
   1.121 +		
   1.122 +		//Three allocations are made for this message so add 3 to count
   1.123 +		//CClientMessage::NewL
   1.124 +		//CIntParameter::NewL
   1.125 +		//RPointerArray::AppendL	
   1.126 +		__UHEAP_MARKENDC(count + 3);
   1.127 +		}
   1.128 +		break;
   1.129 +	case ESchDbgFailNext:
   1.130 +		__UHEAP_FAILNEXT(iClientMessage->GetIntL(0));
   1.131 +		break;
   1.132 +	case ESchDbgResetHeap:
   1.133 +		__UHEAP_RESET;
   1.134 +		break;
   1.135 +	case ESchFaultServer:
   1.136 +		{
   1.137 +		// make sure we complete the message first before Killing this server
   1.138 +		iClientMessage->CompleteRequestL(KErrNone);
   1.139 +		RProcess().Kill(0);
   1.140 +		return;
   1.141 +		}
   1.142 +#endif
   1.143 +    case ERegisterClient:
   1.144 +		RegisterClientL();
   1.145 +    	break;
   1.146 +	case ECreateTimeSchedule:
   1.147 +		CreateTimeScheduleL();
   1.148 +    	break;
   1.149 +	case ECreateConditionSchedule:
   1.150 +		CreateConditionScheduleL();
   1.151 +    	break;
   1.152 +	case EScheduleTask:
   1.153 +		ScheduleTaskL();
   1.154 +    	break;
   1.155 +	case EDeleteTask:
   1.156 +		DeleteTaskL();
   1.157 +		break;
   1.158 +	case EDeleteSchedule:
   1.159 +		{
   1.160 +		CSchedule* schedule = iTaskScheduler->FindL(iClientMessage->GetIntL(0));
   1.161 +		CheckPersistsInBackupL(*schedule);
   1.162 +		//check that user has permission to delete this schedule.
   1.163 +		schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.164 +		iTaskScheduler->RemoveScheduleL(iClientMessage->GetIntL(0));
   1.165 +    	break;
   1.166 +		}
   1.167 +	case EDisableSchedule:
   1.168 +		{
   1.169 +		CSchedule* schedule = iTaskScheduler->FindL(iClientMessage->GetIntL(0));
   1.170 +		CheckPersistsInBackupL(*schedule);
   1.171 +		//check that user has permission to disable this schedule.
   1.172 +		schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.173 +		iTaskScheduler->DisableScheduleL(iClientMessage->GetIntL(0));
   1.174 +    	break;
   1.175 +		}
   1.176 +	case EEnableSchedule:
   1.177 +		{
   1.178 +		CSchedule* schedule = iTaskScheduler->FindL(iClientMessage->GetIntL(0));
   1.179 +		CheckPersistsInBackupL(*schedule);
   1.180 +		//check that user has permission to enable this schedule.
   1.181 +		schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.182 +		iTaskScheduler->EnableScheduleL(iClientMessage->GetIntL(0));
   1.183 +    	break;
   1.184 +		}
   1.185 +	case EEditTimeSchedule:
   1.186 +		EditTimeScheduleL();
   1.187 +    	break;
   1.188 +	case EEditConditionSchedule:
   1.189 +		EditConditionScheduleL();
   1.190 +    	break;
   1.191 +	case EGetScheduleRefs:
   1.192 +		GetScheduleRefsL();
   1.193 +		break;
   1.194 +	case ECountSchedules:
   1.195 +		CountSchedulesL();
   1.196 +		break;
   1.197 +	case EGetScheduleInfo:
   1.198 +		GetScheduleInfoL();
   1.199 +		break;
   1.200 +	case EGetTimeScheduleData:
   1.201 +		GetTimeScheduleDataL();
   1.202 +		break;
   1.203 +	case EGetConditionScheduleData:
   1.204 +		GetConditionScheduleDataL();
   1.205 +		break;
   1.206 +	case EGetTaskData:
   1.207 +		GetTaskDataL();
   1.208 +		break;
   1.209 +	case EGetTaskRefs:
   1.210 +		GetTaskRefsL();
   1.211 +    	break;	
   1.212 +	case ECountTasks:
   1.213 +		CountTasksL();
   1.214 +		break;
   1.215 +	case EGetTask:
   1.216 +		GetTaskInfoL();
   1.217 +		break;
   1.218 +	case EGetSchedulerItemRefAndNextDueTime:
   1.219 +		GetScheduleItemRefAndDueTimeL();
   1.220 +		break;
   1.221 +	case EGetTaskDataSize:
   1.222 +		GetTaskDataSizeL();
   1.223 +		break;
   1.224 +	case EGetScheduleType:
   1.225 +		GetScheduleTypeL();
   1.226 +		break;
   1.227 +	default:
   1.228 +		User::Leave(EPanicIllegalFunction);
   1.229 +		break;
   1.230 +		
   1.231 +        }//switch 
   1.232 +
   1.233 +	}
   1.234 +
   1.235 +//private functions
   1.236 +void CSchSession::RegisterClientL()
   1.237 +	{
   1.238 +	TFileName writeBuf;
   1.239 +
   1.240 +	iClientMessage->ReadL(0,writeBuf);
   1.241 +
   1.242 +	// should return existing client if there is one
   1.243 +	CClientProxy* client = iTaskScheduler->AddClientL(writeBuf, iClientMessage->GetIntL(1));
   1.244 +	client->IncUsers();
   1.245 +	if	(iClient)
   1.246 +		{
   1.247 +		iClient->DecUsers();
   1.248 +		if	(!iClient->Users())
   1.249 +			{
   1.250 +			LOGSTRING2("CSchSession::RegisterClientL - removing existing client %S", &iClient->ExecutorFileName());
   1.251 +			iClient->Remove();
   1.252 +			delete iClient;
   1.253 +			}
   1.254 +		}
   1.255 +	iClient = client;
   1.256 +	}
   1.257 +
   1.258 +void CSchSession::CreateTimeScheduleL()
   1.259 +	{
   1.260 +	// get settings
   1.261 +	TScheduleSettings2 settings;
   1.262 +	TPScheduleSettings pS(settings);
   1.263 +	iClientMessage->ReadL(0, pS);
   1.264 +	
   1.265 +	//WriteDeviceData needed to create persistent schedules
   1.266 +	if(settings.iPersists)
   1.267 +		{
   1.268 +		// backup or restore in progress, so don't allow functions that might write to store
   1.269 +		if (iTaskScheduler->BUROperationInProgress() != EBUROperationNoActivity)
   1.270 +			{
   1.271 +			User::Leave(KErrServerBusy);
   1.272 +			}
   1.273 +
   1.274 +		CheckCapabilityL();
   1.275 +		}	
   1.276 +
   1.277 +	//Verify that the length of the condition list passed in is as expected
   1.278 +	if(iClientMessage->GetDesLengthL(1) != 
   1.279 +				(settings.iEntryCount * sizeof(TScheduleEntryInfo2)))
   1.280 +		{
   1.281 +		User::Leave(KErrBadDescriptor);
   1.282 +		}
   1.283 +
   1.284 +	// get entries
   1.285 +	CArrayFixFlat<TScheduleEntryInfo2>* entries 
   1.286 +		= new(ELeave) CArrayFixFlat<TScheduleEntryInfo2>(settings.iEntryCount);
   1.287 +	CleanupStack::PushL(entries);
   1.288 +	entries->ResizeL(settings.iEntryCount);
   1.289 +	TPtr8 entriesPtr(REINTERPRET_CAST(TUint8*,&(entries->At(0))), settings.iEntryCount * sizeof(TScheduleEntryInfo2));
   1.290 +	iClientMessage->ReadL(1, entriesPtr);
   1.291 +
   1.292 +	// create schedule
   1.293 +	const TInt handle = iTaskScheduler->GenerateId();
   1.294 +	if	(handle == KErrOverflow)
   1.295 +		User::Leave(KErrOverflow);
   1.296 +
   1.297 +	// write back ID
   1.298 +	TPInt id(handle);
   1.299 +	iClientMessage->WriteL(2,id);
   1.300 +
   1.301 +	// get security info
   1.302 +	TSecurityInfo securityInfo(iClientMessage->Message());	
   1.303 +
   1.304 +	// Create schedule and add to scheduler
   1.305 +	CSchedule* newschedule = CSchedule::NewLC(handle, 
   1.306 +										settings.iName, 
   1.307 +										settings.iPersists, 
   1.308 +										*entries,
   1.309 +										securityInfo);
   1.310 +	iTaskScheduler->AddScheduleL(*newschedule);
   1.311 +	CleanupStack::Pop(newschedule);
   1.312 +	CleanupStack::PopAndDestroy(entries);
   1.313 +	}
   1.314 +
   1.315 +void CSchSession::CreateConditionScheduleL()
   1.316 +	{
   1.317 +	// get settings
   1.318 +	TScheduleSettings2 settings;
   1.319 +	TPScheduleSettings pS(settings);
   1.320 +	iClientMessage->ReadL(0, pS);
   1.321 +
   1.322 +	//WriteDeviceData needed to create persistent schedules
   1.323 +	if(settings.iPersists)
   1.324 +		{
   1.325 +		// backup or restore in progress, so don't allow functions that might write to store
   1.326 +		if (iTaskScheduler->BUROperationInProgress() != EBUROperationNoActivity)
   1.327 +			{
   1.328 +			User::Leave(KErrServerBusy);
   1.329 +			}
   1.330 +
   1.331 +		CheckCapabilityL();
   1.332 +		}
   1.333 +
   1.334 +	//Verify that the length of the condition list passed in is as expected
   1.335 +	if(iClientMessage->GetDesLengthL(1) != 
   1.336 +				(settings.iEntryCount * sizeof(TTaskSchedulerCondition)))
   1.337 +		{
   1.338 +		User::Leave(KErrBadDescriptor);
   1.339 +		}
   1.340 +
   1.341 +	// get entries
   1.342 +	CArrayFixFlat<TTaskSchedulerCondition>* entries 
   1.343 +		= new(ELeave) CArrayFixFlat<TTaskSchedulerCondition>(settings.iEntryCount);
   1.344 +	CleanupStack::PushL(entries);
   1.345 +	entries->ResizeL(settings.iEntryCount);
   1.346 +	TPtr8 entriesPtr(REINTERPRET_CAST(TUint8*,&(entries->At(0))), settings.iEntryCount * sizeof(TTaskSchedulerCondition));
   1.347 +	iClientMessage->ReadL(1, entriesPtr);
   1.348 +	
   1.349 +	// get time
   1.350 +	TTsTime defaultRunTime;
   1.351 +	TPckg<TTsTime> pTime(defaultRunTime);
   1.352 +	iClientMessage->ReadL(2, pTime);
   1.353 +
   1.354 +	// create schedule
   1.355 +	const TInt handle = iTaskScheduler->GenerateId();
   1.356 +	if	(handle == KErrOverflow)
   1.357 +		User::Leave(KErrOverflow);
   1.358 +
   1.359 +	// write back ID
   1.360 +	TPInt id(handle);
   1.361 +	iClientMessage->WriteL(3,id);
   1.362 +	
   1.363 +	// get security info
   1.364 +	TSecurityInfo securityInfo(iClientMessage->Message());	
   1.365 +
   1.366 +	// Create schedule and add to scheduler
   1.367 +	CSchedule* newschedule 
   1.368 +		= CSchedule::NewLC(handle, 
   1.369 +							settings.iName, 
   1.370 +							settings.iPersists, 
   1.371 +							*entries,
   1.372 +							defaultRunTime,
   1.373 +							securityInfo);
   1.374 +	iTaskScheduler->AddScheduleL(*newschedule);
   1.375 +	CleanupStack::Pop(newschedule);
   1.376 +	CleanupStack::PopAndDestroy(entries);
   1.377 +	}
   1.378 +
   1.379 +void CSchSession::EditTimeScheduleL()
   1.380 +	{
   1.381 +	CSchedule* schedule = iTaskScheduler->FindL(iClientMessage->GetIntL(1));
   1.382 +	
   1.383 +	CheckPersistsInBackupL(*schedule);
   1.384 +	//check that user has permission to edit this schedule.
   1.385 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.386 +	
   1.387 +	//check that this is a time schedule!
   1.388 +	if(schedule->Type() != ETimeSchedule)
   1.389 +		User::Leave(KErrArgument);
   1.390 +		
   1.391 +	// Get entry count
   1.392 +	const TInt count = iClientMessage->GetIntL(0);
   1.393 +	
   1.394 +	//Verify that the length of the condition list passed in is as expected
   1.395 +	if(iClientMessage->GetDesLengthL(2) != (count * sizeof(TScheduleEntryInfo2)))
   1.396 +		{
   1.397 +		User::Leave(KErrBadDescriptor);
   1.398 +		}
   1.399 +
   1.400 +	// Get new entry list
   1.401 +	CArrayFixFlat<TScheduleEntryInfo2>* entries 
   1.402 +		= new(ELeave) CArrayFixFlat<TScheduleEntryInfo2> (KSchedulerArrayGranularity);	
   1.403 +	CleanupStack::PushL(entries);
   1.404 +	entries->ResizeL(count);
   1.405 +	TPtr8 entriesPtr(REINTERPRET_CAST(TUint8*, &(entries->At(0))), count*sizeof(TScheduleEntryInfo2));
   1.406 +
   1.407 +	iClientMessage->ReadL(2, entriesPtr);
   1.408 +
   1.409 +	// Give it to scheduler along with schedule id
   1.410 +	iTaskScheduler->EditScheduleL(iClientMessage->GetIntL(1), *entries);
   1.411 +	CleanupStack::PopAndDestroy(entries);
   1.412 +	}
   1.413 +
   1.414 +void CSchSession::EditConditionScheduleL()
   1.415 +	{
   1.416 +	CSchedule* schedule = iTaskScheduler->FindL(iClientMessage->GetIntL(1));
   1.417 +	
   1.418 +	CheckPersistsInBackupL(*schedule);
   1.419 +	//check that user has permission to edit this schedule.
   1.420 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.421 +	
   1.422 +	//check that this is a condition schedule!
   1.423 +	if(schedule->Type() != EConditionSchedule)
   1.424 +		User::Leave(KErrArgument);
   1.425 +
   1.426 +	// Get entry count
   1.427 +	const TInt count = iClientMessage->GetIntL(0);
   1.428 +	
   1.429 +	//Verify that the length of the condition list passed in is as expected
   1.430 +	if(iClientMessage->GetDesLengthL(2) != (count * sizeof(TTaskSchedulerCondition)))
   1.431 +		{
   1.432 +		User::Leave(KErrBadDescriptor);
   1.433 +		}
   1.434 +
   1.435 +	// Get new entry list
   1.436 +	CArrayFixFlat<TTaskSchedulerCondition>* entries 
   1.437 +		= new(ELeave) CArrayFixFlat<TTaskSchedulerCondition> (KSchedulerArrayGranularity);	
   1.438 +	CleanupStack::PushL(entries);
   1.439 +	entries->ResizeL(count);
   1.440 +	TPtr8 entriesPtr(REINTERPRET_CAST(TUint8*, &(entries->At(0))), count*sizeof(TTaskSchedulerCondition));
   1.441 +	iClientMessage->ReadL(2, entriesPtr);
   1.442 +
   1.443 +	// get time
   1.444 +	TTsTime defaultRunTime;
   1.445 +	TPckg<TTsTime> pTime(defaultRunTime);
   1.446 +	iClientMessage->ReadL(3, pTime);
   1.447 +
   1.448 +	// Give it to scheduler along with schedule id
   1.449 +	iTaskScheduler->EditScheduleL(iClientMessage->GetIntL(1), *entries, defaultRunTime);
   1.450 +	CleanupStack::PopAndDestroy(entries);
   1.451 +	}
   1.452 +
   1.453 +void CSchSession::ScheduleTaskL()
   1.454 +	{
   1.455 +	// If client is registered, it is allowed to schedule tasks
   1.456 +	if(iClient != NULL)
   1.457 +		{
   1.458 +		TTaskInfo taskInfo;
   1.459 +		TPTaskInfo pI(taskInfo);
   1.460 +		iClientMessage->ReadL(0, pI);
   1.461 +
   1.462 +		CSchedule* schedule = iTaskScheduler->FindL(iClientMessage->GetIntL(1));
   1.463 +	
   1.464 +		CheckPersistsInBackupL(*schedule);
   1.465 +
   1.466 +		//check that user has permission to schedule a task using this schedule.
   1.467 +		schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.468 +	
   1.469 +		taskInfo.iTaskId = schedule->GenerateTaskId();
   1.470 +
   1.471 +		if (taskInfo.iTaskId == KErrOverflow)
   1.472 +			{
   1.473 +			User::Leave(KErrOverflow);
   1.474 +			}
   1.475 +		// panic client if this is a condition schedule and client is asking for 
   1.476 +		// repeats.  This doesnt make sense.	
   1.477 +		if (schedule->Type() == EConditionSchedule && taskInfo.iRepeat != 0)
   1.478 +			User::Leave(KErrArgument); 
   1.479 +
   1.480 +		// Create a new scheduled task with associated task data
   1.481 +		TInt len = iClientMessage->GetDesLengthL(3);
   1.482 +		HBufC* taskdata = HBufC::NewLC(len);
   1.483 +
   1.484 +		TPtr pData(taskdata->Des());
   1.485 +		iClientMessage->ReadL(3, pData);	
   1.486 +	
   1.487 +		CScheduledTask* newTask = new(ELeave) CScheduledTask(taskInfo, 
   1.488 +											taskdata, 
   1.489 +											schedule->Type(), 
   1.490 +											schedule->SecurityInfo());
   1.491 +		CleanupStack::Pop(taskdata); //taskdata now owned by newTask
   1.492 +		CleanupStack::PushL(newTask);
   1.493 +		// Have to store the associated task, so that in the case where the
   1.494 +		// tasks need to be restored from a backup, we can ensure that the
   1.495 +		// task is associated with the correct schedule.
   1.496 +		newTask->SetScheduleId(schedule->Id());
   1.497 +
   1.498 +		//If the schedule that the task is associated with is persistent then set the flag
   1.499 +		if(schedule->Persists())
   1.500 +			{
   1.501 +			newTask->SetPersists();
   1.502 +			}
   1.503 +		LOGSTRING("CSchSession::ScheduleTaskL - writing back task id to client");
   1.504 +		TPInt id(taskInfo.iTaskId);
   1.505 +		iClientMessage->WriteL(2,id);
   1.506 +	
   1.507 +		TScheduledTask* task = new(ELeave) TScheduledTask(*newTask,*iClient);
   1.508 +	
   1.509 +		// Now that task has been created sucessfully, we can add newTask to Client
   1.510 +		iClient->AddTask(*newTask); // task info is owned by client: schedule just keeps a reference
   1.511 +		CleanupStack::Pop(newTask);
   1.512 +
   1.513 +		schedule->AddTask(*task);	//add new task - its now owned by schedule
   1.514 +
   1.515 +		LOGSTRING("CSchSession::ScheduleTaskL - scheduling task with task scheduler");
   1.516 +		// If this leaves we need to still remove task from client and schedule. 
   1.517 +		// No easy way to do this via CleanupStack
   1.518 +		TRAPD(err, iTaskScheduler->ScheduleTaskL(*schedule, *iClient));
   1.519 +		if(err)
   1.520 +			{
   1.521 +			schedule->RemoveTask(task);
   1.522 +			iClient->RemoveTask(newTask);
   1.523 +			User::Leave(err);	
   1.524 +			}
   1.525 +		}
   1.526 +	else
   1.527 +		//Client hasnt been registered so it isn't allowed to schedule task, panic client
   1.528 +		{
   1.529 +		iClientMessage->PanicClient(KSchedulerPanic,EPanicNotRegistered);
   1.530 +		}
   1.531 +	}
   1.532 +
   1.533 +void CSchSession::DeleteTaskL()
   1.534 +	{
   1.535 +	const TInt taskId = iClientMessage->GetIntL(0);
   1.536 +	
   1.537 +	const TInt scheduleId = (taskId/KScheduleIdDifferential)*KScheduleIdDifferential;
   1.538 +
   1.539 +	//check that user has permission to delete a task using this schedule.
   1.540 +	CSchedule* schedule = iTaskScheduler->FindL(scheduleId);
   1.541 +	CheckPersistsInBackupL(*schedule);
   1.542 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.543 +	
   1.544 +	iTaskScheduler->DeleteTaskL(scheduleId, taskId);
   1.545 +	}
   1.546 +
   1.547 +//retrieval functions
   1.548 +void CSchSession::CountSchedulesL()
   1.549 +	{
   1.550 +	TScheduleFilter filter = STATIC_CAST(TScheduleFilter, iClientMessage->GetIntL(1));
   1.551 +	//GetScheduleRefs filters on clients schedule permssion as well.
   1.552 +	TInt count = iTaskScheduler->GetScheduleRefsL(NULL,filter, iClientMessage->Message());
   1.553 +	TPInt pCount(count);
   1.554 +	iClientMessage->WriteL(0,pCount);
   1.555 +	}
   1.556 +
   1.557 +void CSchSession::GetScheduleRefsL()
   1.558 +	{
   1.559 +	//client calls CountSchedules() first to get expected count. still 
   1.560 +	//need to check it's valid though...
   1.561 +	
   1.562 +	const TInt expectedCount = iClientMessage->GetIntL(0);
   1.563 +	TScheduleFilter filter = STATIC_CAST(TScheduleFilter, iClientMessage->GetIntL(1));
   1.564 +
   1.565 +	CArrayFixFlat<TSchedulerItemRef>* refArray 
   1.566 +		= new(ELeave) CArrayFixFlat<TSchedulerItemRef>(KSchedulerArrayGranularity);
   1.567 +	CleanupStack::PushL(refArray);
   1.568 +	
   1.569 +	//GetScheduleRefs filters on clients schedule permssion as well.
   1.570 +	TInt count = iTaskScheduler->GetScheduleRefsL(refArray, filter, iClientMessage->Message());
   1.571 +	if	((expectedCount<count) || (count == 0))
   1.572 +		User::Leave(KErrArgument);
   1.573 +
   1.574 +	TPtrC8 pS(REINTERPRET_CAST(TUint8*, &refArray->At(0)),sizeof(TSchedulerItemRef)*expectedCount);
   1.575 +	iClientMessage->WriteL(2, pS);
   1.576 +	CleanupStack::PopAndDestroy();//info array
   1.577 +	}
   1.578 +
   1.579 +void CSchSession::GetTimeScheduleDataL()
   1.580 +	{
   1.581 +	//client input:handle at info at aMessage.Int0()
   1.582 +	//info at aMessage.Ptr1()
   1.583 +	//info contains: exepcted entry count
   1.584 +	//scheduler output: entries at aM.Ptr2()
   1.585 +	TInt handle = iClientMessage->GetIntL(0);
   1.586 +
   1.587 +	TScheduleInfo info;
   1.588 +	TPScheduleInfo pS(info);
   1.589 +	iClientMessage->ReadL(1, pS);
   1.590 +
   1.591 +	CSchedule* schedule = iTaskScheduler->FindL(handle);
   1.592 +
   1.593 +	//check that user has permission to get this schedules info.
   1.594 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.595 +	
   1.596 +	if (schedule->Type() != ETimeSchedule)
   1.597 +		User::Leave(KErrArgument); //calling wrong API
   1.598 +
   1.599 +	CArrayFixFlat<TScheduleEntryInfo2>* entries 
   1.600 +		= new(ELeave) CArrayFixFlat<TScheduleEntryInfo2> (KSchedulerArrayGranularity);
   1.601 +	CleanupStack::PushL(entries);
   1.602 +	schedule->EntriesL(*entries);
   1.603 +	if ((entries->Count())!=info.iEntryCount)
   1.604 +		User::Leave(KErrArgument);
   1.605 +	//write entries
   1.606 +	TPtrC8 pE(REINTERPRET_CAST(TUint8*, &entries->At(0)),sizeof(TScheduleEntryInfo2)*info.iEntryCount);
   1.607 +	iClientMessage->WriteL(2, pE);	
   1.608 +
   1.609 +	CleanupStack::PopAndDestroy(entries);//entry array
   1.610 +	}
   1.611 +
   1.612 +void CSchSession::GetConditionScheduleDataL()
   1.613 +	{
   1.614 +	//client input:handle at info at aMessage.Int0()
   1.615 +	//info at aMessage.Ptr1()
   1.616 +	//info contains: exepcted entry count
   1.617 +	//scheduler output: entries at aM.Ptr2()
   1.618 +	TInt handle = iClientMessage->GetIntL(0);
   1.619 +
   1.620 +	TScheduleInfo info;
   1.621 +	TPScheduleInfo pS(info);
   1.622 +	iClientMessage->ReadL(1, pS);
   1.623 +
   1.624 +	CSchedule* schedule = iTaskScheduler->FindL(handle);
   1.625 +	
   1.626 +	//check that user has permission to get this schedules info.
   1.627 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.628 +	
   1.629 +	if (schedule->Type() != EConditionSchedule)
   1.630 +		User::Leave(KErrArgument); //calling wrong API
   1.631 +
   1.632 +	CArrayFixFlat<TTaskSchedulerCondition>* conditions 
   1.633 +		= new(ELeave) CArrayFixFlat<TTaskSchedulerCondition> (KSchedulerArrayGranularity);
   1.634 +	CleanupStack::PushL(conditions);
   1.635 +	schedule->ConditionsL(*conditions);
   1.636 +	if ((conditions->Count())!=info.iEntryCount)
   1.637 +		User::Leave(KErrArgument);
   1.638 +	//write entries
   1.639 +	TPtrC8 pE(REINTERPRET_CAST(TUint8*, &conditions->At(0)),sizeof(TTaskSchedulerCondition)*info.iEntryCount);
   1.640 +	iClientMessage->WriteL(2, pE);	
   1.641 +
   1.642 +	//write time
   1.643 +	TTsTime defaultTime(schedule->DefaultRunTimeL());
   1.644 +	TPBTime pDefaultTime(defaultTime);
   1.645 +	iClientMessage->WriteL(3, pDefaultTime);
   1.646 +
   1.647 +	CleanupStack::PopAndDestroy(conditions);//condition array
   1.648 +	}
   1.649 +
   1.650 +void CSchSession::GetScheduleTypeL()
   1.651 +	{
   1.652 +	TScheduleType type;
   1.653 +	TInt handle = iClientMessage->GetIntL(0);
   1.654 +	CSchedule* schedule = iTaskScheduler->FindL(handle);
   1.655 +	
   1.656 +	//check that user has permission to get this schedules info.
   1.657 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.658 +	
   1.659 +	type = schedule->Type();	
   1.660 +	TPInt pType(type);
   1.661 +	iClientMessage->WriteL(1,pType);
   1.662 +	}
   1.663 +	
   1.664 +void CSchSession::GetTaskDataL()
   1.665 +	{//client input:handle at info at aMessage.Int0()
   1.666 +	//info at aMessage.Ptr1()
   1.667 +	//info contains: exepcted entry count, expected task count
   1.668 +	//scheduler output: tasks at aM.Ptr2()
   1.669 +	TInt handle = iClientMessage->GetIntL(0);
   1.670 +
   1.671 +	TScheduleInfo info;
   1.672 +	TPScheduleInfo pS(info);
   1.673 +	iClientMessage->ReadL(1, pS);
   1.674 +
   1.675 +	CSchedule* schedule = iTaskScheduler->FindL(handle);
   1.676 +
   1.677 +	//check that user has permission to get this task info (based on owning
   1.678 +	// schedules info).
   1.679 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.680 +	
   1.681 +	CArrayFixFlat<TTaskInfo>* tasks 
   1.682 +		= new(ELeave) CArrayFixFlat<TTaskInfo> (KSchedulerArrayGranularity);
   1.683 +	CleanupStack::PushL(tasks);
   1.684 +	schedule->TasksL(*tasks);
   1.685 +	if ((tasks->Count())!=info.iTaskCount)
   1.686 +		User::Leave(KErrArgument);
   1.687 +	//write tasks if there are any
   1.688 +	if (info.iTaskCount>0)
   1.689 +		{
   1.690 +		TPtrC8 pT(REINTERPRET_CAST(TUint8*, &tasks->At(0)),sizeof(TTaskInfo)*info.iTaskCount);
   1.691 +		iClientMessage->WriteL(2, pT);	
   1.692 +		}
   1.693 +	CleanupStack::PopAndDestroy(tasks);//task array
   1.694 +	}
   1.695 +
   1.696 +void CSchSession::GetScheduleInfoL()
   1.697 +	{
   1.698 +	CSchedule* schedule = iTaskScheduler->FindL(iClientMessage->GetIntL(0));
   1.699 +	
   1.700 +	//check that user has permission to get this schedules info.
   1.701 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.702 +	
   1.703 +	TScheduleInfo info;
   1.704 +	if (schedule->Type() == ETimeSchedule)
   1.705 +		schedule->GetInfo(info, EFalse);
   1.706 +	else
   1.707 +		schedule->GetInfo(info, ETrue);
   1.708 +		
   1.709 +	TPBScheduleInfo pInfo(info);
   1.710 +	iClientMessage->WriteL(1, pInfo);
   1.711 +	TTsTime dueTime(schedule->DueTime());
   1.712 +	TPBTime pDueTime(dueTime);
   1.713 +	iClientMessage->WriteL(2, pDueTime);
   1.714 +	}
   1.715 +
   1.716 +void CSchSession::GetTaskRefsL()
   1.717 +	{
   1.718 +	//taskrefs for all, 
   1.719 +	//or just the ones I scheduled, 
   1.720 +	//or just the pending ones, 
   1.721 +	//or just the pending ones I scheduled
   1.722 +	
   1.723 +	TInt expectedCount = iClientMessage->GetIntL(0);
   1.724 +	TScheduleFilter sFilter = STATIC_CAST(TScheduleFilter, iClientMessage->GetIntL(1));
   1.725 +	TTaskFilter tFilter = STATIC_CAST(TTaskFilter, iClientMessage->GetIntL(2));
   1.726 +	CArrayFixFlat<TSchedulerItemRef>* refs 
   1.727 +		= new (ELeave) CArrayFixFlat<TSchedulerItemRef> (KSchedulerArrayGranularity);
   1.728 +	CleanupStack::PushL(refs);
   1.729 +	
   1.730 +	//GetTaskRefs filters on clients schedule permssion as well.
   1.731 +	TInt actualCount = iTaskScheduler->GetTaskRefsL(refs, sFilter, tFilter,iClient, iClientMessage->Message());
   1.732 +	
   1.733 +	// Must find enough tasks.
   1.734 +	if((actualCount != expectedCount) || (refs->Count() == 0))
   1.735 +		User::Leave(KErrArgument);
   1.736 +	
   1.737 +	// Write array back to client
   1.738 +	TPtrC8 pR(REINTERPRET_CAST(TUint8*,&refs->At(0)),sizeof(TSchedulerItemRef)*expectedCount);
   1.739 +	iClientMessage->WriteL(3, pR);
   1.740 +	CleanupStack::PopAndDestroy();//refs
   1.741 +	}
   1.742 +
   1.743 +void CSchSession::CountTasksL()
   1.744 +	{
   1.745 +	//count either all of 'em or just mine
   1.746 +	
   1.747 +	TScheduleFilter sFilter = STATIC_CAST(TScheduleFilter, iClientMessage->GetIntL(1));
   1.748 +	TTaskFilter tFilter = STATIC_CAST(TTaskFilter, iClientMessage->GetIntL(2));
   1.749 +
   1.750 +	//GetTaskRefs filters on clients schedule permssion as well.
   1.751 +	TInt count = iTaskScheduler->GetTaskRefsL(NULL, sFilter, tFilter,iClient, iClientMessage->Message());
   1.752 +
   1.753 +	TPInt pCount(count);
   1.754 +	iClientMessage->WriteL(0,pCount);
   1.755 +	}
   1.756 +
   1.757 +void CSchSession::GetTaskInfoL()
   1.758 +	{
   1.759 +	// Get task
   1.760 +	TInt taskId				= iClientMessage->GetIntL(0);
   1.761 +	TInt scheduleId			= (taskId/KScheduleIdDifferential)*KScheduleIdDifferential;
   1.762 +	CSchedule* schedule		= iTaskScheduler->FindL(scheduleId);
   1.763 +	
   1.764 +	//check that user has permission to get this task info (based on owning 
   1.765 +	//schedules info).
   1.766 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.767 +	
   1.768 +	TScheduledTask* task = schedule->Task(taskId);
   1.769 +	if	(!task)
   1.770 +		User::Leave(KErrNotFound);
   1.771 +
   1.772 +	TPBTaskInfo pI(task->Info());
   1.773 +
   1.774 +	iClientMessage->WriteL(1, pI);//write info	
   1.775 +	
   1.776 +	// If there isn't enough room to hold the task data in the client buffer then
   1.777 +	// indicate by returning KErrArgument
   1.778 +	TInt clientBufferSize = iClientMessage->GetIntL(2);
   1.779 +	if	(clientBufferSize < task->Data().Length())
   1.780 +		User::Leave(KErrArgument);
   1.781 +	iClientMessage->WriteL(3, task->Data());
   1.782 +	}
   1.783 +
   1.784 +void CSchSession::GetScheduleItemRefAndDueTimeL()
   1.785 +	{
   1.786 +	// Get CSchedule object
   1.787 +	TInt taskId = iClientMessage->GetIntL(0);
   1.788 +	TInt scheduleId = (taskId/KScheduleIdDifferential)*KScheduleIdDifferential;
   1.789 +	CSchedule* schedule = iTaskScheduler->FindL(scheduleId);
   1.790 +
   1.791 +	//check that user has permission to get this schedules info.
   1.792 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.793 +	
   1.794 +	TSchedulerItemRef ref;
   1.795 +	ref.iHandle	= schedule->Id();
   1.796 +	ref.iName	= schedule->Name();
   1.797 +
   1.798 +	TPBSchedulerItemRef pRef(ref);
   1.799 +	iClientMessage->WriteL(1, pRef);
   1.800 +	
   1.801 +	TTsTime dueTime(schedule->DueTime());
   1.802 +	TPBTime pDueTime(dueTime);
   1.803 +	iClientMessage->WriteL(2, pDueTime);
   1.804 +	}
   1.805 +
   1.806 +void CSchSession::GetTaskDataSizeL()
   1.807 +	{
   1.808 +	TInt taskId = iClientMessage->GetIntL(0);
   1.809 +	TInt scheduleId = (taskId/KScheduleIdDifferential)*KScheduleIdDifferential;
   1.810 +	CSchedule* schedule = iTaskScheduler->FindL(scheduleId);
   1.811 +
   1.812 +	//check that user has permission to get this task info (based on owning 
   1.813 +	//schedules info).
   1.814 +	schedule->CheckAccessAllowedL(iClientMessage->Message());
   1.815 +	
   1.816 +	TScheduledTask* task = schedule->Task(taskId);
   1.817 +	if	(!task)
   1.818 +		User::Leave(KErrNotFound);
   1.819 +
   1.820 +	TInt size = task->Data().Length();
   1.821 +	TPInt pSize(size);
   1.822 +	iClientMessage->WriteL(1,pSize);
   1.823 +	}
   1.824 +
   1.825 +void  CSchSession::CheckCapabilityL()
   1.826 +	{
   1.827 +	if( !( iClientMessage->Message().HasCapability(ECapabilityWriteDeviceData)
   1.828 +		|| (PlatSec::ConfigSetting(PlatSec::EPlatSecEnforcement)==0 ))) // Enforcement off
   1.829 +		User::Leave(KErrPermissionDenied);	
   1.830 +	}
   1.831 +	
   1.832 +void CSchSession::CheckPersistsInBackupL(const CSchedule& aSchedule)
   1.833 +	{
   1.834 +	// backup or restore in progress, so don't allow functions that might write to store	
   1.835 +	if ((iTaskScheduler->BUROperationInProgress() != EBUROperationNoActivity) && (aSchedule.Persists()))
   1.836 +		{
   1.837 +		User::Leave(KErrServerBusy);
   1.838 +		}
   1.839 +	}
   1.840 +