author | mikaruus <mika.a.ruuskanen@nokia.com> |
Thu, 14 Jan 2010 10:44:58 +0200 | |
changeset 5 | 8ccc39f9d787 |
parent 0 | 63b37f68c1ce |
permissions | -rw-r--r-- |
0 | 1 |
/* |
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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 the License "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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* Implementation of DMC logical channel. |
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* |
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*/ |
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// INCLUDE FILES |
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#include <kern_priv.h> // class DThread |
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#include "dmc_extension.h" // iDmcDfcQueuePtrv |
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#include "dmc_user_if.h" |
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#include "dmc_logical_channel.h" |
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#include "dmc_logical_device.h" |
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#include "dmc_trace.h" |
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5
8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "dmc_logical_channelTraces.h" |
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#endif |
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// EXTERNAL DATA STRUCTURES |
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// EXTERNAL FUNCTION PROTOTYPES |
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// FORWARD DECLARATIONS |
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// CONSTANTS |
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// MACROS |
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// LOCAL CONSTANTS AND MACROS |
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// MODULE DATA STRUCTURES |
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// LOCAL FUNCTION PROTOTYPES |
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// ==================== LOCAL FUNCTIONS ==================== |
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// ================= OTHER EXPORTED FUNCTIONS ============== |
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// ================= MEMBER FUNCTIONS ======================= |
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//----------------------------------------------------------- |
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// DDmcLogicalChannel::DDmcLogicalChannel |
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//----------------------------------------------------------- |
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DDmcLogicalChannel::DDmcLogicalChannel(DLogicalDevice* aLogicalDevicePtr) |
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: DLogicalChannel() |
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, iDmcLogicalDevPtr(NULL) |
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, iClientThreadPtr(NULL) |
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, iClientStatusPtr(NULL) |
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, iClientEventBufferPtr(NULL) |
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{ |
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OstTrace1(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DDMC_LOGICAL_CHANNEL_ENTRY, |
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"DMC:LOGIC_CHNL: DDmcLogicalChannel() # IN - aLogicalDevicePtr, 0x%x:", |
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aLogicalDevicePtr); |
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DMC_TRACE((("DMC:LOGIC_CHNL: DDmcLogicalChannel() # IN - aLogicalDevicePtr, 0x%x:"), |
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aLogicalDevicePtr)); |
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DMC_TRACE_ASSERT(aLogicalDevicePtr); |
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iDmcLogicalDevPtr = reinterpret_cast<DDmcLogicalDevice*>(aLogicalDevicePtr); |
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iClientThreadPtr = &Kern::CurrentThread(); |
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TInt result = ((DObject*)iClientThreadPtr)->Open(); |
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DMC_TRACE_ASSERT(result == KErrNone); |
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OstTrace0(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DDMC_LOGICAL_CHANNEL_RETURN, |
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"DMC:LOGIC_CHNL: DDmcLogicalChannel() # OUT"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: DDmcLogicalChannel() # OUT")); |
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} |
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//----------------------------------------------------------- |
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// DDmcLogicalChannel::~DDmcLogicalChannel |
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//----------------------------------------------------------- |
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DDmcLogicalChannel::~DDmcLogicalChannel() |
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{ |
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OstTrace0(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL__DDMC_LOGICAL_CHANNEL_ENTRY, |
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"DMC:LOGIC_CHNL: ~DDmcLogicalChannel() # IN"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: ~DDmcLogicalChannel() # IN")); |
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// Calling of Kern::SafeClose must be in a critical section |
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NKern::ThreadEnterCS(); |
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OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DDMC_LOGICAL_CHANNEL_1, |
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"DMC:LOGIC_CHNL: ~DDmcLogicalChannel() - call Kern::SafeClose"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: ~DDmcLogicalChannel() - call Kern::SafeClose")); |
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// Close our reference on the client thread |
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Kern::SafeClose((DObject*&)iClientThreadPtr, NULL); |
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NKern::ThreadLeaveCS(); |
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// Cancel reset and power off events |
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iDmcLogicalDevPtr->UnsubscribeEvents(this); |
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if (iDmcLogicalDevPtr) |
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{ |
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iDmcLogicalDevPtr = NULL; |
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} |
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if (iClientThreadPtr) |
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{ |
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iClientThreadPtr = NULL; |
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} |
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if (iClientStatusPtr) |
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{ |
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iClientStatusPtr = NULL; |
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} |
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if (iClientEventBufferPtr) |
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{ |
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iClientEventBufferPtr = NULL; |
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} |
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OstTrace0(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL__DDMC_LOGICAL_CHANNEL_RETURN, |
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"DMC:LOGIC_CHNL: ~DDmcLogicalChannel() # OUT"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: ~DDmcLogicalChannel() # OUT")); |
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} |
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// ----------------------------------------------------------------------------- |
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// DDmcLogicalChannel::DoCreate |
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// ----------------------------------------------------------------------------- |
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TInt DDmcLogicalChannel::DoCreate(TInt /* aUnit */, const TDesC8* /* aInfo */, const TVersion& aVer) |
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{ |
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OstTrace1(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DO_CREATE_ENTRY, |
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"DMC:LOGIC_CHNL: DoCreate() # IN - aVer: 0x%x", (TUint)&(aVer)); |
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DMC_TRACE((("DMC:LOGIC_CHNL: DoCreate() # IN - aVer: 0x%x "), &aVer)); |
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TInt retVal(KErrNone); |
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// capability security check |
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if (!Kern::CurrentThreadHasCapability(ECapabilityCommDD, |
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__PLATSEC_DIAGNOSTIC_STRING("Checked by dmc.ldd") ) ) |
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{ |
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DMC_TRACE_ALWAYS_ASSERT; |
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retVal = KErrPermissionDenied; |
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} |
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// Check version |
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if (retVal == KErrNone) |
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{ |
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if (!Kern::QueryVersionSupported(TVersion(RDmc::EMajorVersionNumber, |
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RDmc::EMinorVersionNumber, |
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RDmc::EBuildVersionNumber), |
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aVer)) |
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{ |
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OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CREATE_1, |
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"DMC:LOGIC_CHNL: DoCreate() - KErrNotSupported"); |
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DMC_TRACE_ALWAYS_ASSERT; |
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retVal = KErrNotSupported; |
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} |
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} |
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// check user's Vendor ID to ensure that only known client are accessing |
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if (retVal == KErrNone) |
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{ |
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TUint32 vendorId = Kern::CurrentThread().iOwningProcess->iS.iVendorId; |
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OstTrace1(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CREATE_2, |
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"DMC:LOGIC_CHNL: DoCreate() - vendorId: 0x%x", vendorId); |
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DMC_TRACE((("DMC:LOGIC_CHNL: DoCreate() - vendorId: 0x%x "), vendorId)); |
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if (vendorId != VID_DEFAULT) |
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{ |
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OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CREATE_3, |
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"DMC:LOGIC_CHNL: DoCreate() - VID check FAILED !"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: DoCreate() - VID check FAILED !")); |
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DMC_TRACE_ALWAYS_ASSERT; |
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retVal = KErrAccessDenied; |
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} |
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} |
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// Initialize DFC queue |
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DMC_TRACE_ASSERT_RESET(iDmcLogicalDevPtr->GetDynamicDfcQueue(), |
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"DMC:LOGIC_CHNL: DoCreate() - iDmcLogicalDevPtr->GetDynamicDfcQueue()", |
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KErrNoMemory); |
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SetDfcQ(iDmcLogicalDevPtr->GetDynamicDfcQueue()); |
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iMsgQ.Receive(); |
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OstTrace1(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DO_CREATE_RETURN, |
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"DMC:LOGIC_CHNL: DoCreate() # OUT - retVal: %d", retVal); |
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DMC_TRACE((("DMC:LOGIC_CHNL: DoCreate() # OUT - retVal: %d "), retVal)); |
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return retVal; |
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} |
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// --------------------------------------------------------- |
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// DDmcLogicalChannel::HandleMsg |
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// --------------------------------------------------------- |
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void DDmcLogicalChannel::HandleMsg(TMessageBase* aMsg) |
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{ |
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OstTrace1(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_HANDLE_MSG_ENTRY, |
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"DMC:LOGIC_CHNL: HandleMsg() # IN - aMsg: 0x%x", |
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(TUint)(aMsg)); |
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DMC_TRACE((("DMC:LOGIC_CHNL: HandleMsg() # IN - aMsg: 0x%x "), aMsg)); |
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DMC_TRACE_ASSERT_RESET(aMsg, |
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"DMC:LOGIC_CHNL: HandleMsg() - aMsg", |
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KErrNoMemory); |
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TThreadMessage& m = *reinterpret_cast<TThreadMessage*>(aMsg); |
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// Get message type |
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TInt msgId(m.iValue); |
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OstTrace1(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_HANDLE_MSG_1, |
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"DMC:LOGIC_CHNL: HandleMsg() - msgId: 0x%x", |
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(TUint)(msgId)); |
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DMC_TRACE((("DMC:LOGIC_CHNL: HandleMsg() - msgId: 0x%x "), msgId)); |
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// close request |
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if (msgId == static_cast<TInt>(ECloseMsg)) |
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{ |
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OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_HANDLE_MSG_3, |
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"DMC:LOGIC_CHNL: HandleMsg() - ECloseMsg"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: HandleMsg() - ECloseMsg)")); |
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m.Complete(KErrNone, EFalse); |
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} |
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else if (msgId == KMaxTInt) |
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{ |
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// cancel request |
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OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_HANDLE_MSG_4, |
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"DMC:LOGIC_CHNL: HandleMsg() - KMaxTInt, DoCancel"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: HandleMsg() - KMaxTInt, DoCancel")); |
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m.Complete(KErrNone, ETrue); |
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} |
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else if (msgId >= 0) |
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{ |
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// sync request |
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OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_HANDLE_MSG_5, |
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"DMC:LOGIC_CHNL: HandleMsg() - DoControl"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: HandleMsg() - DoControl")); |
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// DoControl |
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TInt retStatus(DoControl(msgId, m.Ptr0())); |
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m.Complete(retStatus, ETrue); |
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} |
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else |
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{ |
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// async request |
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OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_HANDLE_MSG_6, |
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"DMC:LOGIC_CHNL: HandleMsg() - DoRequest"); |
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DMC_TRACE(("DMC:LOGIC_CHNL: HandleMsg() - DoRequest")); |
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// DoRequest |
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TRequestStatus* usrReqStatPtr = (TRequestStatus *)m.Ptr0(); |
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TInt retStatus(DoRequest(~msgId, usrReqStatPtr, m.Ptr1())); |
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if (retStatus != KErrNone) |
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{ |
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Kern::RequestComplete(iClientThreadPtr, usrReqStatPtr, retStatus); |
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} |
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m.Complete(KErrNone, ETrue); |
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} |
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OstTrace0(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_HANDLE_MSG_RETURN, |
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"DMC:LOGIC_CHNL: HandleMsg() # OUT "); |
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DMC_TRACE(("DMC:LOGIC_CHNL: HandleMsg() # OUT")); |
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} |
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// ----------------------------------------------------------------------------- |
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// DDmcLogicalChannel::SendEvent |
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// ----------------------------------------------------------------------------- |
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void DDmcLogicalChannel::SendEvent(const RDmc::TEvent& aEvent) |
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{ |
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OstTrace1(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_SEND_EVENT_ENTRY, |
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"DMC:LOGIC_CHNL: SendEvent() # IN - aEvent: %d", aEvent); |
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DMC_TRACE((("DMC:LOGIC_CHNL: SendEvent() # IN - aEvent: %d"), aEvent)); |
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// Make sure that a client has subscribed events. |
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if (iClientStatusPtr) |
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{ |
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OstTrace1(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_SEND_1, |
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"DMC:LOGIC_CHNL: SendEvent() - KErrNone: %d", KErrNone); |
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DMC_TRACE((("DMC:LOGIC_CHNL: SendEvent() - KErrNone: %d"), KErrNone)); |
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TInt retStatus = Kern::ThreadRawWrite(iClientThreadPtr, |
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iClientEventBufferPtr, |
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&aEvent, |
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sizeof(aEvent)); |
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OstTrace1(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_SEND_EVENT_1, |
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"DMC:LOGIC_CHNL: SendEvent() # IN - retStatus: %d", retStatus); |
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DMC_TRACE((("DMC:LOGIC_CHNL: SendEvent() # IN - retStatus: %d, iClientStatusPtr: 0x%x"), |
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retStatus, iClientStatusPtr)); |
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307 |
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Kern::RequestComplete(iClientThreadPtr, iClientStatusPtr, retStatus); |
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} |
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310 |
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311 |
OstTrace0(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_SEND_EVENT_RETURN, |
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312 |
"DMC:LOGIC_CHNL: SendEvent() # OUT "); |
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DMC_TRACE(("DMC:LOGIC_CHNL: SendEvent() # OUT")); |
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} |
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315 |
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316 |
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// ----------------------------------------------------------------------------- |
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// DDmcLogicalChannel::DoControl |
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// ----------------------------------------------------------------------------- |
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TInt DDmcLogicalChannel::DoControl(const TInt aFunction, TAny* a1) |
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{ |
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OstTraceExt2(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DO_CONTROL_ENTRY, |
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"DMC:LOGIC_CHNL: DoControl() # IN - aFunction: 0x%x, a1: 0x%x", |
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(TUint)(aFunction), (TUint)(a1)); |
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DMC_TRACE((("DMC:LOGIC_CHNL: DoControl() # IN - aFunction: 0x%x, a1: 0x%x"), aFunction, a1)); |
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326 |
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TInt retStatus(KErrBadHandle); |
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328 |
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329 |
if (iDmcLogicalDevPtr) |
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{ |
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331 |
retStatus = KErrNone; |
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332 |
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switch (aFunction) |
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{ |
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335 |
case RDmc::EGetTargetStartUpMode: |
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336 |
{ |
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337 |
OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CONTROL_1, |
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338 |
"DMC:LOGIC_CHNL: DoControl() - EGetTargetStartUpMode"); |
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339 |
DMC_TRACE(("DMC:LOGIC_CHNL: DoControl() - EGetTargetStartUpMode")); |
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340 |
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341 |
RDmc::TTargetStartupMode targetStartUpMode; |
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342 |
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343 |
retStatus = iDmcLogicalDevPtr->GetTargetStartUpMode(targetStartUpMode); |
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344 |
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345 |
DMC_TRACE_ASSERT(retStatus == KErrNone); |
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346 |
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347 |
if (retStatus == KErrNone) |
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348 |
{ |
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349 |
retStatus = Kern::ThreadRawWrite(iClientThreadPtr, |
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350 |
a1, |
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351 |
&targetStartUpMode, |
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352 |
sizeof(targetStartUpMode)); |
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353 |
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354 |
OstTraceExt2(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CONTROL_2, |
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355 |
"DMC:LOGIC_CHNL: DoControl() - retStatus: %d, targetStartUpMode: %d", |
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356 |
retStatus, targetStartUpMode); |
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357 |
DMC_TRACE((("DMC:LOGIC_CHNL: DoControl() - retStatus: %d, targetStartUpMode: %d"), |
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358 |
retStatus, targetStartUpMode)); |
|
359 |
} |
|
360 |
} |
|
361 |
break; |
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362 |
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363 |
case RDmc::EGenerateReset: |
|
364 |
{ |
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365 |
OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CONTROL_3, |
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366 |
"DMC:LOGIC_CHNL: DoControl() - EGenerateReset"); |
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367 |
DMC_TRACE(("DMC:LOGIC_CHNL: DoControl() - EGenerateReset")); |
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368 |
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369 |
RDmc::TTargetStartupMode targetStartUpMode; |
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370 |
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371 |
retStatus = Kern::ThreadRawRead(iClientThreadPtr, |
|
372 |
a1, |
|
373 |
&targetStartUpMode, |
|
374 |
sizeof(targetStartUpMode)); |
|
375 |
||
376 |
DMC_TRACE_ASSERT(retStatus == KErrNone); |
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377 |
OstTraceExt2(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CONTROL_4, |
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378 |
"DMC:LOGIC_CHNL: DoControl() - retStatus: %d, targetStartUpMode: %d", |
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379 |
retStatus, targetStartUpMode); |
|
380 |
DMC_TRACE((("DMC:LOGIC_CHNL: DoControl() - retStatus: %d, targetStartUpMode: %d"), |
|
381 |
retStatus, targetStartUpMode)); |
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382 |
||
383 |
if (retStatus == KErrNone) |
|
384 |
{ |
|
385 |
retStatus = iDmcLogicalDevPtr->GenerateReset(targetStartUpMode); |
|
386 |
} |
|
387 |
||
388 |
DMC_TRACE_ASSERT(retStatus == KErrNone); |
|
389 |
} |
|
390 |
break; |
|
391 |
||
392 |
case RDmc::EPowerOff: |
|
393 |
{ |
|
394 |
OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CONTROL_5, |
|
395 |
"DMC:LOGIC_CHNL: DoControl() - EPowerOff"); |
|
396 |
DMC_TRACE(("DMC:LOGIC_CHNL: DoControl() - EPowerOff")); |
|
397 |
||
398 |
retStatus = iDmcLogicalDevPtr->PowerOff(); |
|
399 |
||
400 |
DMC_TRACE_ASSERT(retStatus == KErrNone); |
|
401 |
} |
|
402 |
break; |
|
403 |
||
404 |
||
405 |
case RDmc::EIsHiddenReset: |
|
406 |
{ |
|
407 |
OstTrace0(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CONTROL_6, |
|
408 |
"DMC:LOGIC_CHNL: DoControl() - EIsHiddenReset"); |
|
409 |
DMC_TRACE(("DMC:LOGIC_CHNL: DoControl() - EIsHiddenReset")); |
|
410 |
||
411 |
TBool hiddenStatus; |
|
412 |
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413 |
retStatus = iDmcLogicalDevPtr->IsHiddenReset(hiddenStatus); |
|
414 |
||
415 |
DMC_TRACE_ASSERT(retStatus == KErrNone); |
|
416 |
||
417 |
if (retStatus == KErrNone) |
|
418 |
{ |
|
419 |
retStatus = Kern::ThreadRawWrite(iClientThreadPtr, |
|
420 |
a1, |
|
421 |
&hiddenStatus, |
|
422 |
sizeof(hiddenStatus)); |
|
423 |
||
424 |
OstTraceExt2(TRACE_FLOW, DDMC_LOGICAL_CHANNEL_DO_CONTROL_7, |
|
425 |
"DMC:LOGIC_CHNL: DoControl() - retStatus: %d, hiddenStatus: %d", |
|
426 |
retStatus, hiddenStatus); |
|
427 |
DMC_TRACE((("DMC:LOGIC_CHNL: DoControl() - retStatus: %d, hiddenStatus: %d"), |
|
428 |
retStatus, hiddenStatus)); |
|
429 |
} |
|
430 |
} |
|
431 |
break; |
|
432 |
||
433 |
default: |
|
434 |
{ |
|
435 |
DMC_TRACE_ALWAYS_ASSERT; |
|
436 |
||
437 |
retStatus = KErrNotSupported; |
|
438 |
} |
|
439 |
break; |
|
440 |
} |
|
441 |
} |
|
442 |
||
443 |
OstTrace1(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DO_CONTROL_RETURN, |
|
444 |
"DMC:LOGIC_CHNL: DoControl() # OUT - retStatus %d:", retStatus); |
|
445 |
DMC_TRACE((("DMC:LOGIC_CHNL: DoControl() # OUT - retStatus: %d"), retStatus)); |
|
446 |
||
447 |
return retStatus; |
|
448 |
} |
|
449 |
||
450 |
||
451 |
// ----------------------------------------------------------------------------- |
|
452 |
// DDmcLogicalChannel::DoRequest |
|
453 |
// ----------------------------------------------------------------------------- |
|
454 |
TInt DDmcLogicalChannel::DoRequest(const TInt aReqId, TRequestStatus* const aStatusPtr, TAny* const a1) |
|
455 |
{ |
|
456 |
OstTraceExt3(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DO_REQUEST_ENTRY, |
|
457 |
"DMC:LOGIC_CHNL: DoRequest() # IN - aRegId: 0x%x, aStatusPtr: 0x%x, a1: 0x%x", |
|
458 |
(TUint)(aReqId), (TUint)aStatusPtr, (TUint)(a1)); |
|
459 |
DMC_TRACE((("DMC:LOGIC_CHNL: DoRequest() # IN - aReqId: 0x%x, aStatusPtr: 0x%x, a1: 0x%x"), |
|
460 |
aReqId, aStatusPtr, a1)); |
|
461 |
DMC_TRACE_ASSERT_RESET(a1, "DMC:LOG_DEVICE: DDmcLogicalDevice() - a1", KErrNoMemory); |
|
462 |
||
463 |
iClientStatusPtr = aStatusPtr; |
|
464 |
iClientEventBufferPtr = static_cast<RDmc::TEvent*>(a1); |
|
465 |
||
466 |
iDmcLogicalDevPtr->SubscribeEvents(this); |
|
467 |
||
468 |
OstTrace0(TRACE_ENTRY_EXIT, DDMC_LOGICAL_CHANNEL_DO_REQUEST_RETURN, |
|
469 |
"DMC:LOGIC_CHNL: DoRequest() # OUT"); |
|
470 |
DMC_TRACE(("DMC:LOGIC_CHNL: DoRequest() # OUT")); |
|
471 |
||
472 |
return KErrNone; |
|
473 |
} |
|
474 |
||
475 |
// End of File |