telephonyprotocols/rawipnif/src/RawIpAgentHandler.cpp
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     1 // Copyright (c) 2006-2009 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 // RawIPMCPR.CPP
       
    15 // RawIP MCPR
       
    16 // 
       
    17 //
       
    18 
       
    19 /**
       
    20  @file
       
    21  @internalComponent
       
    22 */
       
    23 
       
    24 #include <comms-infras/nifprvar.h>			// for TAgentToFlowEventType
       
    25 #include <comms-infras/linkprovision.h>
       
    26 #include "RawIpAgentHandler.h"
       
    27 
       
    28 using namespace ESock;
       
    29 
       
    30 void CRawIpAgentHandler::ConnectCompleteL()
       
    31 /**
       
    32 RawIp handler called on Agent ConnectComplete().
       
    33 
       
    34 Allocate and populate the provisioning structure.
       
    35 */
       
    36 	{
       
    37 	// If not already poresent, allocate and append the provisioning structure.  Assumed to be
       
    38 	// cleaned up by CAccessPointConfig.
       
    39 
       
    40 	if (iProvision == NULL)
       
    41 		{
       
    42 		CRawIpAgentConfig* provision = new (ELeave) CRawIpAgentConfig();
       
    43 		CleanupStack::PushL(provision);
       
    44 		AppendExtensionL(provision);
       
    45 		CleanupStack::Pop(provision);			// ownership given to CAccessPointConfig
       
    46 	
       
    47 		iProvision = provision;					// cache pointer to provisioning structure (no ownership)
       
    48 		}
       
    49 	
       
    50 	// The following calls towards the Agent will trigger Notification() calls from Agent back
       
    51 	// towards us (in the same stack frame).  These will be processed in NotificationFromAgent().
       
    52 	NotificationToAgent(EFlowToAgentEventTsyConfig, NULL);
       
    53 	NotificationToAgent(EFlowToAgentEventTsyConnectionSpeed, NULL);
       
    54 	}
       
    55 	
       
    56 TInt CRawIpAgentHandler::NotificationFromAgent(TAgentToFlowEventType aEvent, TAny* aInfo)
       
    57 /**
       
    58 RawIp handler called on Agent Notification() calls towards CFProtocol.
       
    59 
       
    60 @param aEvent event type
       
    61 @param aInfo free form data associated with event
       
    62 */
       
    63 	{
       
    64 	switch (aEvent)
       
    65 		{
       
    66 	case EAgentToFlowEventTsyConfig:
       
    67 		// NOTE:
       
    68 		// We are presuming that the object pointed to by "aInfo" is on the heap of the Agent and
       
    69 		// not on the stack.  This sounds risky, but we are following the same conditions as
       
    70 		// with old Nifs and Agents - the Notification() method was used to communicate a pointer
       
    71 		// from Agent to Nif of a structure whose lifetime was guaranteed longer than that of the
       
    72 		// Nif.  This hasn't changed with the introduction of CFProtocols.  Alternatively, we would
       
    73 		// have allocate space for and copy the (very large - several K) TContextConfigGPRS.
       
    74 		iProvision->iGprsConfig = reinterpret_cast<const TPacketDataConfigBase*>(aInfo);
       
    75 		break;
       
    76 		
       
    77 	case EAgentToFlowEventTsyConnectionSpeed:
       
    78 		if (aInfo != NULL)
       
    79 			iProvision->iConnectionSpeed = *reinterpret_cast<TUint*>(aInfo);
       
    80 		break;
       
    81 		
       
    82 	default:
       
    83 		// Default handling
       
    84 		return CAgentNotificationHandler::NotificationFromAgent(aEvent, aInfo);
       
    85 		}
       
    86 
       
    87 	return KErrNone;
       
    88 	}