obex/obexprotocol/obex/src/obexservernotifysyncwrapper.cpp
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     1 // Copyright (c) 2005-2009 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 // All methods in this file act either to initialise the wrapper object or to forward calls
       
    15 // from the async server notify class to the synchronous version.
       
    16 // 
       
    17 //
       
    18 
       
    19 /**
       
    20  @file
       
    21  @internalComponent
       
    22  @see MObexServerNotify
       
    23  @see MObexServerNotifyAsync
       
    24 */
       
    25 
       
    26 #include <e32base.h>
       
    27 #include <obexserver.h>
       
    28 #include <obexobjects.h>
       
    29 #include "logger.h"
       
    30 #include "OBEXUTIL.H"
       
    31 #include "obexservernotifysyncwrapper.h"
       
    32 #include "obexserverstatemachine.h"
       
    33 
       
    34 
       
    35 #ifdef _DEBUG
       
    36 // Save the return value as debugger will (hopefully) then make it easier to see...
       
    37 #define CHECK_NOERROR(expr) TInt _saved_error = (expr); __ASSERT_ALWAYS(_saved_error == KErrNone, IrOBEXUtil::Fault(ESyncWrapperCallbackError));
       
    38 #else
       
    39 #define CHECK_NOERROR(expr) (void)expr
       
    40 #endif
       
    41 //
       
    42 // Initialisation methods
       
    43 //
       
    44 CObexServerNotifySyncWrapper* CObexServerNotifySyncWrapper::NewL(CObexServer& aOwner, CObexServerStateMachine& aStateMachine)
       
    45 	{
       
    46 	CObexServerNotifySyncWrapper* self = new (ELeave) CObexServerNotifySyncWrapper(aOwner, aStateMachine);
       
    47 	return self;
       
    48 	}
       
    49 
       
    50 CObexServerNotifySyncWrapper::CObexServerNotifySyncWrapper(CObexServer& aOwner, CObexServerStateMachine& aStateMachine)
       
    51 	: iOwner(aOwner), iStateMachine(aStateMachine)
       
    52 	{}
       
    53 
       
    54 CObexServerNotifySyncWrapper::~CObexServerNotifySyncWrapper()
       
    55 	{
       
    56 	}
       
    57 
       
    58 void CObexServerNotifySyncWrapper::SetNotifier(MObexServerNotify* aNotify)
       
    59 	{
       
    60 	// if aNotify is NULL this will cause any forwarding methods to dereference NULL.
       
    61 	// But this should never happen.  K-E 3 will result if they do, but all we'd
       
    62 	// do otherwise would be to panic anyway...
       
    63 	iNotify = aNotify;
       
    64 	}
       
    65 
       
    66 //
       
    67 // Forwarding methods
       
    68 //
       
    69 void CObexServerNotifySyncWrapper::ErrorIndication(TInt aError)
       
    70 	{
       
    71 	iNotify->ErrorIndication(aError);
       
    72 	}
       
    73 
       
    74 void CObexServerNotifySyncWrapper::TransportUpIndication()
       
    75 	{
       
    76 	iNotify->TransportUpIndication();
       
    77 	}
       
    78 
       
    79 void CObexServerNotifySyncWrapper::TransportDownIndication()
       
    80 	{
       
    81 	iNotify->TransportDownIndication();
       
    82 	}
       
    83 
       
    84 void CObexServerNotifySyncWrapper::ObexConnectIndication(const TObexConnectInfo& aRemoteInfo, const TDesC8& aInfo)
       
    85 	{
       
    86 	// Explicitly code that we're ignoring the return value.  See the doxygen comment.
       
    87 	(void)iNotify->ObexConnectIndication(aRemoteInfo, aInfo);
       
    88 	}
       
    89 
       
    90 void CObexServerNotifySyncWrapper::ObexDisconnectIndication(const TDesC8& aInfo)
       
    91 	{
       
    92 	iNotify->ObexDisconnectIndication(aInfo);
       
    93 	}
       
    94 
       
    95 //
       
    96 // Forward the request to the MObexServerNotify implementation, then immediately
       
    97 // downcall into CObexServer.
       
    98 //
       
    99 void CObexServerNotifySyncWrapper::PutRequestIndication()
       
   100 	{
       
   101 	WRAPPER_LOG(_L8("Put request indication"));
       
   102 	iCallbackOutstanding = ETrue;
       
   103 	iStateMachine.SetAppResponse(ERespSuccess);
       
   104 	// A NULL return here is OK as it is the response to reject the request.
       
   105 	CObexBaseObject* object = iNotify->PutRequestIndication();
       
   106 	
       
   107 	WRAPPER_LOG(_L8("Put request indication complete"));
       
   108 	if(iCallbackOutstanding && (iStateMachine.AppResponse() == ERespSuccess))
       
   109 		{
       
   110 		CHECK_NOERROR(iOwner.RequestIndicationCallback(object));
       
   111 		}
       
   112 	}
       
   113 
       
   114 TInt CObexServerNotifySyncWrapper::PutPacketIndication()
       
   115 	{
       
   116 	return iNotify->PutPacketIndication();
       
   117 	}
       
   118 
       
   119 void CObexServerNotifySyncWrapper::PutCompleteIndication()
       
   120 	{
       
   121 	iCallbackOutstanding = ETrue;
       
   122 	TInt err = iNotify->PutCompleteIndication();
       
   123 	TObexResponse resp = IrOBEXUtil::ObexResponse(err, ERespSuccess);
       
   124 	if(iCallbackOutstanding)
       
   125 		{
       
   126 		CHECK_NOERROR(iOwner.RequestCompleteIndicationCallback(resp));
       
   127 		}
       
   128 	}
       
   129 
       
   130 //
       
   131 // Forward the request to the MObexServerNotify implementation, then immediately
       
   132 // downcall into CObexServer.
       
   133 //
       
   134 void CObexServerNotifySyncWrapper::GetRequestIndication(CObexBaseObject* aRequiredObject)
       
   135 	{
       
   136 	WRAPPER_LOG(_L8("Get request indication"));
       
   137 	iCallbackOutstanding = ETrue;
       
   138 	iStateMachine.SetAppResponse(ERespSuccess);
       
   139 	// A NULL return here is OK as it is the response to reject the request.
       
   140 	CObexBaseObject* object = iNotify->GetRequestIndication(aRequiredObject);
       
   141 	
       
   142 	WRAPPER_LOG(_L8("Get request indication complete"));
       
   143 	if(iCallbackOutstanding && (iStateMachine.AppResponse() == ERespSuccess))
       
   144 		{
       
   145 		CHECK_NOERROR(iOwner.RequestIndicationCallback(object));
       
   146 		}
       
   147 	}
       
   148 
       
   149 TInt CObexServerNotifySyncWrapper::GetPacketIndication()
       
   150 	{
       
   151 	return iNotify->GetPacketIndication();
       
   152 	}
       
   153 
       
   154 void CObexServerNotifySyncWrapper::GetCompleteIndication()
       
   155 	{
       
   156 	iCallbackOutstanding = ETrue;
       
   157 	TInt err = iNotify->GetCompleteIndication();
       
   158 	TObexResponse resp = IrOBEXUtil::ObexResponse(err, ERespSuccess);
       
   159 	if(iCallbackOutstanding)
       
   160 		{
       
   161 		CHECK_NOERROR(iOwner.RequestCompleteIndicationCallback(resp));
       
   162 		}
       
   163 	}
       
   164 
       
   165 void CObexServerNotifySyncWrapper::SetPathIndication(const CObex::TSetPathInfo& aPathInfo, const TDesC8& aInfo)
       
   166 	{
       
   167 	iCallbackOutstanding = ETrue;
       
   168 	TInt err = iNotify->SetPathIndication(aPathInfo, aInfo);
       
   169 	TObexResponse resp = IrOBEXUtil::ObexResponse(err, ERespSuccess);
       
   170 	if(iCallbackOutstanding)
       
   171 		{
       
   172 		CHECK_NOERROR(iOwner.RequestCompleteIndicationCallback(resp));
       
   173 		}
       
   174 	}
       
   175 
       
   176 void CObexServerNotifySyncWrapper::AbortIndication()
       
   177 	{
       
   178 	iNotify->AbortIndication();
       
   179 	}
       
   180 
       
   181 void CObexServerNotifySyncWrapper::CancelIndicationCallback()
       
   182 	{
       
   183 	//Appilcation may stop the obex server for whatever reason during an Indication 
       
   184 	//thus resets the state machine. We have to make sure not to call indication 
       
   185 	//callback in such cases because the statemachine will panic. 
       
   186 	iCallbackOutstanding = EFalse;
       
   187 	}