loadgen/engine/src/loadgen_bluetooth.cpp
branchRCL_3
changeset 19 b3cee849fa46
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loadgen/engine/src/loadgen_bluetooth.cpp	Tue Aug 31 15:15:20 2010 +0300
@@ -0,0 +1,339 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+// INCLUDE FILES
+#include "loadgen_bluetooth.h"
+#include "loadgen_utils.h"
+#include "loadgen.hrh"
+#include "loadgen_traces.h"
+#include <loadgen.rsg>
+#include <e32hal.h>
+#include <u32hal.h>
+#include <e32math.h>
+#include <eikenv.h>
+#include <btserversdkcrkeys.h>
+#include <btnotifierapi.h>
+#include <btpm.h>
+
+_LIT(KThreadName, "Bluetooth %d");
+_LIT(KBTLinkManagerStr, "BTLinkManager");
+
+const TInt KDefaultStart = 50;
+const TInt KDefaultPeriod = 5000000;
+   
+// ===================================== MEMBER FUNCTIONS =====================================
+
+CBluetooth* CBluetooth::NewL(TBluetoothAttributes& aAttributes, TInt aReferenceNumber)
+    {
+    CBluetooth* self = new(ELeave) CBluetooth(aAttributes, aReferenceNumber);
+    CleanupStack::PushL(self);
+    TRAPD(err, self->ConstructL());
+    if( err != KErrNone )
+        {
+        User::Leave(err);
+        }
+    CleanupStack::Pop(self);
+    return self;    
+    }
+
+// --------------------------------------------------------------------------------------------
+
+CBluetooth::~CBluetooth()
+    {
+    Close();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+CBluetooth::CBluetooth(TBluetoothAttributes& aAttributes, TInt aReferenceNumber) : iAttributes(aAttributes)
+    {
+    iAttributes.iId = aReferenceNumber;
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CBluetooth::ConstructL()
+    {    
+    CLoadBase::ConstructL();
+    
+    iType = ELoadGenCmdNewLoadBluetooth;
+    
+    InitializeBluetoothL();
+                        
+    TBuf<64> threadName;
+    threadName.Format(KThreadName, iAttributes.iId);
+            
+    // create a thread
+    User::LeaveIfError(iThread.Create(threadName, ThreadFunction, KDefaultStackSize*2, KMinHeapSize, 1024*KMinHeapSize, (TAny*) &iAttributes ));
+    
+    // set priority of the thread
+    SetPriority();
+    iState = ELoadStateConstructed;
+    }
+
+// --------------------------------------------------------------------------------------------
+
+TInt CBluetooth::ThreadFunction(TAny* aThreadArg)
+    {
+    TInt err = KErrNone;
+    
+    CTrapCleanup* pC = CTrapCleanup::New();
+    CActiveScheduler* pS = new CActiveScheduler;
+    CActiveScheduler::Install(pS);
+
+    // start generating load, pass pointer to arguments
+    GenerateLoad(*((TBluetoothAttributes*) aThreadArg));
+
+    delete pS;
+    delete pC;
+    
+    return err;
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CBluetooth::GenerateLoad(TBluetoothAttributes& aAttributes)
+    {    
+    CBTManager* btManager = 0;
+    TRAPD(err, btManager = CBTManager::NewL(aAttributes));
+    if (err == KErrNone) CActiveScheduler::Start();
+    delete btManager;    
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CBluetooth::Resume()
+    {    
+    CLoadBase::Resume();    
+    iThread.Resume();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CBluetooth::Suspend()
+    {
+    CLoadBase::Suspend();    
+    iThread.Suspend();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CBluetooth::SetPriority()
+    {
+    CLoadBase::SetPriority();    
+    iThread.SetPriority(CLoadGenUtils::SettingItemToThreadPriority(iAttributes.iPriority));
+    }
+    
+// --------------------------------------------------------------------------------------------
+
+void CBluetooth::Close()
+    {
+    LOGSTRING2("LoadGen: CBluetooth::~CBluetooth() - State: %d", iState);
+    if( iState != ELoadStateInvalid )
+        {
+        CLoadBase::Close();        
+        // kill the thread immediately
+        iThread.Kill(0);
+        iThread.Close();
+        }
+    }
+    
+// --------------------------------------------------------------------------------------------
+TPtrC CBluetooth::Description()
+    {
+    TBuf<256> buf;
+    TBuf<16> prioBuf;
+    CLoadGenUtils::SettingItemToThreadDescription(iAttributes.iPriority, prioBuf);
+        
+    _LIT(KBluetoothEntry, "[%d] Bluetooth prio=%S idle=%dms random=%d%%");
+    buf.Format(KBluetoothEntry, iAttributes.iId, &prioBuf, iAttributes.iIdle, iAttributes.iRandomVariance);
+       
+    return TPtrC(buf);
+    }
+
+// --------------------------------------------------------------------------------------------
+void CBluetooth::InitializeBluetoothL()
+    {
+    // Create central repository for checking and setting bluetooth power state    
+    CRepository* btPowerStateCRepo = CRepository::NewL(KCRUidBluetoothPowerState);
+    
+    // Check if the BT is already turned on:    
+    TInt btPowerState = 0;
+    btPowerStateCRepo->Get(KBTPowerState, btPowerState);
+    delete btPowerStateCRepo;
+    btPowerStateCRepo = 0;
+        
+    if(btPowerState == EBTPowerOff)
+        {
+        // Switch bt power on:
+        if (SetBTPowerState(ETrue) == EFalse)
+            {
+            LOGSTRING("LoadGen: Bluetooth could not be switched on");
+            User::Leave(KErrNotReady);
+            }
+        }
+    }
+
+// --------------------------------------------------------------------------------------------
+TBool CBluetooth::SetBTPowerState(TBool aState)
+    {    
+    // Ask user to turn on the bluetooth device:
+    RNotifier btPowerNotifier;
+    TInt errCode = btPowerNotifier.Connect();
+    
+    TBool retVal = errCode == KErrNone;
+    
+    if( errCode == KErrNone )
+        {
+        TPckgBuf<TBool> powerRequest(aState);
+        TPckgBuf<TBool> powerReply(EFalse);
+        TRequestStatus powerRequestStatus;
+        btPowerNotifier.StartNotifierAndGetResponse(powerRequestStatus, 
+                                                KPowerModeSettingNotifierUid, 
+                                                powerRequest, 
+                                                powerReply);
+        User::WaitForRequest(powerRequestStatus);
+        btPowerNotifier.CancelNotifier(KPowerModeSettingNotifierUid);
+        btPowerNotifier.Close();  
+        if( powerReply() == EFalse )
+            {
+            LOGSTRING("LoadGen: Bluetooth activating cancelled.");
+            }
+        retVal = powerReply();
+        }
+    
+    return retVal; 
+    }
+
+// --------------------------------------------------------------------------------------------
+CBTManager* CBTManager::NewL(   TBluetoothAttributes& aAttrs)
+    {
+    CBTManager* self = new (ELeave) CBTManager( aAttrs);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+ 
+// --------------------------------------------------------------------------------------------
+CBTManager::~CBTManager()
+    {    
+    if (iPeriodicTimer)
+        {
+        iPeriodicTimer->Cancel();
+        delete iPeriodicTimer;
+        }    
+    iHostResolver.Close();        
+    Cancel();
+    }
+ 
+// --------------------------------------------------------------------------------------------
+CBTManager::CBTManager( TBluetoothAttributes& aAttrs) 
+: 
+CActive(EPriorityStandard),
+iAttributes(aAttrs)
+    {    
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CBTManager::ConstructL()
+    {
+    // Socket server session initiation:
+    User::LeaveIfError(iSocketServerHnd.Connect());    
+
+    CActiveScheduler::Add(this);
+    // set the status as pending
+    iStatus = KRequestPending;
+    SetActive();
+        
+    // set the death status pointer point to the request status of this ao
+    iAttributes.iDeathStatus = &iStatus;
+    
+    // start timer    
+    iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityStandard);
+    iPeriodicTimer->Start(KDefaultStart, KDefaultPeriod, TCallBack(PeriodicTimerCallBack, this));
+    }
+
+// --------------------------------------------------------------------------------------------
+void CBTManager::DoCancel()
+    {
+    LOGSTRING("LoadGen: CBTManager::DoCancel()");    
+    }
+
+// --------------------------------------------------------------------------------------------
+void CBTManager::RunL()
+    {    
+    // request status has completed by the main thread meaning that we need to stop now
+    CActiveScheduler::Stop();    
+    }
+
+// --------------------------------------------------------------------------------------------
+TInt CBTManager::StartBTDeviceDiscovery()
+    {
+    TInt retVal = KErrNone; 
+    RThread myThread;
+           
+    // Initialize host resolver      
+    iHostResolver.Close();        
+    TProtocolDesc protocolInfo;
+    retVal = iSocketServerHnd.FindProtocol(KBTLinkManagerStr(), protocolInfo);
+    if( retVal == KErrNone )
+        {
+        retVal = iHostResolver.Open(iSocketServerHnd, protocolInfo.iAddrFamily, protocolInfo.iProtocol);        
+        }
+    
+    if( retVal == KErrNone )
+        {
+        TInquirySockAddr socketAddress;
+        socketAddress.SetIAC( KGIAC );
+        socketAddress.SetAction(KHostResInquiry|KHostResName|KHostResIgnoreCache);
+        retVal = iHostResolver.GetByAddress(socketAddress, iBTNameEntry);        
+        // Loop all discovered devices:
+        while( retVal == KErrNone )        
+            {
+            LOGSTRING3("LoadGen: Thread %S found device: %S", &(myThread.Name()), &(iBTNameEntry().iName) );
+            // Get next device
+            retVal = iHostResolver.Next(iBTNameEntry);            
+            }
+        }
+    
+    // KErrEof is returned when no more devices to loop
+    if( retVal == KErrEof )
+        {
+        retVal = KErrNone;
+        }
+            
+    iPeriodicTimer->Start( CLoadGenUtils::MilliSecondsToMicroSeconds( iAttributes.iIdle,
+                        iAttributes.iRandomVariance ), KDefaultPeriod, 
+                        TCallBack( PeriodicTimerCallBack, this ) );
+
+    return retVal;
+    }
+
+// --------------------------------------------------------------------------------------------
+
+TInt CBTManager::PeriodicTimerCallBack(TAny* aAny)
+    {        
+    CBTManager* self = static_cast<CBTManager*>( aAny );
+    self->iPeriodicTimer->Cancel();
+    // Perform device discovery:
+    self->StartBTDeviceDiscovery();
+    return KErrNone;
+    }
+
+// End of File