author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 17:02:22 +0300 | |
branch | RCL_3 |
changeset 21 | 07656293a99c |
parent 0 | dfb7c4ff071f |
permissions | -rw-r--r-- |
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// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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#include "es_commsbuf_internal.h" |
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#include <comms-infras/commsbufpondop.h> |
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#include "commsbufasyncreqinternal.h" |
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#include "commsbufpondintf.h" |
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EXPORT_C CCommsBufAsyncRequest::CCommsBufAsyncRequest(TCommsBufAllocator& aAllocator) |
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:iAllocator(aAllocator) |
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{ |
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iLink.iPrev = &iLink; |
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iLink.iNext = &iLink; |
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} |
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EXPORT_C CCommsBufAsyncRequest::~CCommsBufAsyncRequest() |
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{ |
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} |
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void CCommsBufAsyncRequest::Alloc(RCommsBufChain& aChain, TInt aSize, TInt aMinSize, TInt aMaxSize, TRequestStatus& aStatus) |
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{ |
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iSize = aSize; |
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iMinSize = aMinSize; |
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iMaxSize = aMaxSize; |
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iChain = &aChain; |
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iStatusPtr = &aStatus; |
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*iStatusPtr = KRequestPending; |
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// Try to satify the request syncronously |
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TInt err = aChain.Alloc(iSize, iAllocator); |
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if (err==KErrNone) |
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{ |
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#ifdef __CFLOG_ACTIVE |
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__CFLOG_2(KSubsysMBufMgr, KSubsysMBufMgrAsyncAlloc, _L8("RMBufAsyncRequest %x:\tAlloc(aLength %d) request satisfied immediately"), this, aLength); |
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#endif |
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User::RequestComplete(iStatusPtr, KErrNone); |
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return; |
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} |
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// Sync alloc failed, so setup the async alloc request |
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TThreadId id = RThread().Id(); |
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TInt ret = iThread.Open(id); |
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if(ret == KErrNone) |
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{ |
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#ifdef __CFLOG_ACTIVE |
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__CFLOG_2(KSubsysMBufMgr, KSubsysMBufMgrAsyncAlloc, _L8("RCommsBufAsyncRequest %x:\tAlloc(aLength %d) starting request"), this, aSize); |
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#endif |
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iAllocator.iPond.StartRequest(*this); |
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} |
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else |
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{ |
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#ifdef __CFLOG_ACTIVE |
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__CFLOG_3(KSubsysMBufMgr, KSubsysMBufMgrAsyncAlloc, _L8("RCommsBufAsyncRequest %x:\tAlloc(aLength %d) failed with %d"), this, aSize, ret); |
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#endif |
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} |
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} |
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void CCommsBufAsyncRequest::Cancel() |
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{ |
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iAllocator.iPond.CancelRequest(*this); |
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} |
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EXPORT_C void CCommsBufAsyncRequest::Complete(TInt aCode) |
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{ |
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#ifdef __CFLOG_ACTIVE |
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__CFLOG_2(KSubsysMBufMgr, KSubsysMBufMgrAsyncAlloc, _L8("RCommsBufAsyncRequest %x:\tComplete(aCode %d)"), this, aCode); |
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#endif |
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iLink.Deque(); |
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if (aCode==KErrNone) |
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{ |
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// In future we may have another smarter way of doing this. |
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// Currently RCommsBufQ is internal |
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RCommsBufChain chain(iBufQ.First()); |
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iChain->Assign(chain); |
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iBufQ.Init(); |
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} |
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else |
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{ |
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iBufQ.Free(); |
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} |
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iThread.RequestComplete(iStatusPtr, aCode); |
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iThread.Close(); |
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} |
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