bluetoothmgmt/btmgr/eirclient/src/eirpublisher.cpp
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     1 // Copyright (c) 2007-2009 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 <bluetooth/eirpublisher.h>
       
    17 #include <e32uid.h>
       
    18 #include <e32base.h>
       
    19 #include <bluetooth/eirclient.h>
       
    20 #include <bluetooth/eirmanshared.h>
       
    21 #include "eirmanclientlogger.h"
       
    22 
       
    23 
       
    24 void Panic(TBTEirPublisherPanic aPanic)
       
    25 	{
       
    26 	User::Panic(KBTEirPublisherPanic, aPanic);
       
    27 	}
       
    28 
       
    29 EXPORT_C CEirPublisher* CEirPublisher::NewL(TEirTag aEirTag, MEirPublisherNotifier& aNotifier)
       
    30 	{
       
    31 	LOG1(_L8("CEirPublisher::NewL creating publisher with tag %d"), aEirTag);
       
    32 	CEirPublisher* self = new(ELeave) CEirPublisher(aEirTag, aNotifier);
       
    33 	CleanupStack::PushL(self);
       
    34 	self->ConstructL();
       
    35 	CleanupStack::Pop(self);
       
    36 	return self;
       
    37 	}
       
    38 
       
    39 CEirPublisher::CEirPublisher(TEirTag aEirTag, MEirPublisherNotifier& aNotifier)
       
    40 	: CActive(CActive::EPriorityStandard)
       
    41 	, iEirTag(aEirTag)
       
    42 	, iNotifier(aNotifier)
       
    43 	, iPublishOutstanding(EFalse)
       
    44 	, iRequiredBytes(0)
       
    45 	{
       
    46 	CActiveScheduler::Add(this);
       
    47 	}
       
    48 
       
    49 CEirPublisher::~CEirPublisher()
       
    50 	{
       
    51 	LOG_FUNC
       
    52 	iEirMan.Close(); // this should handle everything!
       
    53 	Cancel();
       
    54 	delete iNotifierAo;
       
    55 	}
       
    56 
       
    57 void CEirPublisher::ConstructL()
       
    58 	{
       
    59 	LOG_FUNC
       
    60 	iNotifierAo = new(ELeave) CEirPublisherNotifier(*this);
       
    61 	iEirMan.Connect(iStatus);
       
    62 	iState = EConnecting;
       
    63 	SetActive();
       
    64 	}
       
    65 
       
    66 /**
       
    67 Notify server the required bytes from this client for the Extended Inquiry Response packet.
       
    68 @param aRequiredBytes for the required bytes from this client
       
    69 */
       
    70 EXPORT_C void CEirPublisher::PublishData(TInt aRequiredBytes)
       
    71 	{
       
    72 	LOG_FUNC
       
    73 	__ASSERT_DEBUG(iState != EInvalid, Panic(EUnexpectedPublisherState));
       
    74 	if(iState == ENoConnection)
       
    75 		{
       
    76 		// If there is no connection to server currently, create one and indicate a request is outstanding.
       
    77 		iEirMan.Connect(iStatus);
       
    78 		iState = EConnecting;
       
    79 		iPublishOutstanding = ETrue;
       
    80 		iRequiredBytes = aRequiredBytes;
       
    81 		SetActive();
       
    82 		}
       
    83 	else if(iState != EIdle)
       
    84 		{
       
    85 		iPublishOutstanding = ETrue;
       
    86 		iRequiredBytes = aRequiredBytes;
       
    87 		}
       
    88 	else
       
    89 		{
       
    90 		iState = ENewData;
       
    91 		iEirMan.NewData(aRequiredBytes, iStatus);
       
    92 		SetActive();
       
    93 		}
       
    94 	}
       
    95 
       
    96 /**
       
    97 Send data and its type to server to update the Extended Inquiry Response packet.
       
    98 @param aData for the data to be added into Extended Inquiry Response
       
    99 @param aDataMode for the type of data from this client (partial or complete)
       
   100 */
       
   101 EXPORT_C void CEirPublisher::SetData(const TDesC8& aData, TEirDataMode aDataMode)
       
   102 	{
       
   103 	LOG_FUNC
       
   104 	// Make sure that client has an invitation to the party
       
   105 	__ASSERT_ALWAYS(iState == EDataCallback, PANIC(KEirManCliPncCat, EEirManPanicSetDataUninvited));
       
   106 	iState = ESettingData;
       
   107 	iEirMan.SetData(aData, aDataMode, iStatus);
       
   108 	SetActive();
       
   109 	}
       
   110 
       
   111 void CEirPublisher::RunL()
       
   112 	{
       
   113 	LOG_FUNC
       
   114 	LEAVEIFERRORL(iStatus.Int());
       
   115 	
       
   116 	switch(iState)
       
   117 		{
       
   118 	case EConnecting:
       
   119 		iEirMan.RegisterTag(iEirTag, iStatus);
       
   120 		iState = ERegisterTag;
       
   121 		SetActive();
       
   122 		break;
       
   123 	case ERegisterTag:
       
   124 		iNotifierAo->Start();
       
   125 		// Fall through...
       
   126 	case ENewData:
       
   127 		// Fall through...
       
   128 	case ESettingData:
       
   129 		if(iPublishOutstanding)
       
   130 			{
       
   131 			iPublishOutstanding = EFalse;
       
   132 			iState = ENewData;
       
   133 			iEirMan.NewData(iRequiredBytes, iStatus);
       
   134 			SetActive();
       
   135 			}
       
   136 		else if(iCallbackOutstanding)
       
   137 			{
       
   138 			iCallbackOutstanding = EFalse;
       
   139 			iState = EDataCallback;
       
   140 			LOG1(_L8("CEirPublisher::RunL: About to call back client with bytes available: %d"), iAvailableBytes);
       
   141 			iNotifier.MepnSpaceAvailable(iAvailableBytes);
       
   142 			}
       
   143 		else
       
   144 			{
       
   145 			iState = EIdle;
       
   146 			}
       
   147 		break;		
       
   148 	default:
       
   149 		// Unexpected
       
   150 		__ASSERT_DEBUG(EFalse, Panic(EUnexpectedPublisherState));
       
   151 		break;
       
   152 		}
       
   153 	}
       
   154 
       
   155 void CEirPublisher::DoCancel()
       
   156 	{
       
   157 	LOG_FUNC
       
   158 	iNotifierAo->Cancel();
       
   159 	// Because of asynchronous shutdown - we close the session and tidy up
       
   160 	// the active objects locally.
       
   161 	__ASSERT_DEBUG(!iEirMan.Handle(), Panic(EInvalidEirManHandle)); 
       
   162 	TRequestStatus* status = &iStatus;
       
   163 	User::RequestComplete(status, KErrCancel);
       
   164 	iState = EInvalid;
       
   165 	}
       
   166 
       
   167 TInt CEirPublisher::RunError(TInt aError)
       
   168 	{
       
   169 	LOG_FUNC
       
   170 	LOG1(_L8("CEirPublisher::RunError: %d"), aError);
       
   171 	// report error to client
       
   172 	iNotifier.MepnSetDataError(aError);
       
   173 	if (iState == EConnecting)
       
   174 		{
       
   175 		// We have a problem on Connecting to server, set the state to No Connection
       
   176 		iState = ENoConnection;
       
   177 		}
       
   178 	return KErrNone;
       
   179 	}
       
   180 
       
   181 void CEirPublisher::SpaceAvailable(TUint aSpace)
       
   182 	{
       
   183 	LOG_FUNC
       
   184 	
       
   185 	if (aSpace > KEirLengthTagLength)
       
   186 		{
       
   187 		iAvailableBytes = aSpace - KEirLengthTagLength;
       
   188 		}
       
   189 	else
       
   190 		{
       
   191 		iAvailableBytes = 0;
       
   192 		}
       
   193 	if(iState == EIdle)
       
   194 		{
       
   195 		iState = EDataCallback;
       
   196 		LOG1(_L8("CEirPublisher::RunL: About to call back client with bytes available: %d"), iAvailableBytes);
       
   197 		iNotifier.MepnSpaceAvailable(iAvailableBytes);
       
   198 		}
       
   199 	else
       
   200 		{
       
   201 		iCallbackOutstanding = ETrue;
       
   202 		}
       
   203 	}
       
   204 
       
   205 void CEirPublisher::NotifierError(TInt aError)
       
   206 	{
       
   207 	static_cast<void>(RunError(aError));
       
   208 	}
       
   209 
       
   210 REirMan& CEirPublisher::EirMan()
       
   211 	{
       
   212 	LOG_FUNC
       
   213 	return iEirMan;
       
   214 	}
       
   215 
       
   216 
       
   217 
       
   218 CEirPublisherNotifier::CEirPublisherNotifier(CEirPublisher& aPublisher)
       
   219 	: CActive(EPriorityStandard)
       
   220 	, iPublisher(aPublisher)
       
   221 	{
       
   222 	LOG_FUNC
       
   223 	CActiveScheduler::Add(this);
       
   224 	}
       
   225 
       
   226 CEirPublisherNotifier::~CEirPublisherNotifier()
       
   227 	{
       
   228 	LOG_FUNC
       
   229 	Cancel();
       
   230 	}
       
   231 
       
   232 void CEirPublisherNotifier::Start()
       
   233 	{
       
   234 	LOG_FUNC
       
   235 	iPublisher.EirMan().SpaceAvailableNotification(iSpaceAvailable, iStatus);
       
   236 	SetActive();
       
   237 	}
       
   238 
       
   239 void CEirPublisherNotifier::RunL()
       
   240 	{
       
   241 	LOG_FUNC
       
   242 	LEAVEIFERRORL(iStatus.Int());
       
   243 	TUint spaceAvailable = iSpaceAvailable;
       
   244 	iPublisher.EirMan().SpaceAvailableNotification(iSpaceAvailable, iStatus);
       
   245 	SetActive();
       
   246 	iPublisher.SpaceAvailable(spaceAvailable);
       
   247 	}
       
   248 
       
   249 void CEirPublisherNotifier::DoCancel()
       
   250 	{
       
   251 	LOG_FUNC
       
   252 	// Because of asynchronous shutdown - we close the session and tidy up
       
   253 	// the active objects locally.
       
   254 	__ASSERT_DEBUG(!(iPublisher.EirMan().Handle()), Panic(EInvalidEirManHandle)); 
       
   255 	TRequestStatus* status = &iStatus;
       
   256 	User::RequestComplete(status, KErrCancel);
       
   257 	}
       
   258 
       
   259 TInt CEirPublisherNotifier::RunError(TInt aError)
       
   260 	{
       
   261 	LOG_FUNC
       
   262 	iPublisher.NotifierError(aError);
       
   263 	return KErrNone;
       
   264 	}