--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serialserver/c32serialserver/Test/TE_C32/util/src/c32loader.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,360 @@
+// Copyright (c) 2006-2009 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 <e32base.h>
+#include <e32property.h>
+#include <c32root.h>
+#include <cfshared.h>
+#include <comms-infras/commsdebugutility.h>
+
+#include "c32loader.h"
+
+__FLOG_STMT(_LIT8(KC32LogSubsys, "C32SerComms");)
+__FLOG_STMT(_LIT8(KC32LogComponent, "C32loader");)
+
+/** When unloading C32 forced we try first in a graceful manner, if it hasn't
+unloaded after this timeout it is asked to shutdown immediately.
+This will happen if C32 has "hanging" sessions.
+ */
+const TInt KGracefulTimeout = 90 * 1000000;
+
+#if defined (__EPOC32__)
+#define PDD_NAME _L("EUART1")
+#define LDD_NAME _L("ECOMM")
+#endif
+
+EXPORT_C TInt C32Loader::LoadC32(MHarnessLogAdaptor* aHarnessLogger)
+/** Connect to the Comms Rootserver and request load of the Socket Server CPM.
+Returns when it is loaded. 
+*/
+	{
+	__FLOG_DECLARATION_VARIABLE;
+	__FLOG_OPEN(KC32LogSubsys, KC32LogComponent);
+	__FLOG(_L("C32Loader::loadC32."));
+	
+	TInt result;
+#if defined (__EPOC32__)
+	//Load the drivers first..No use starting C32 without them (only on harware)
+	result = User::LoadPhysicalDevice(PDD_NAME);
+	if (result!=KErrNone && result!=KErrAlreadyExists)
+		{
+		__FLOG_1(_L("Could not load PDD! Leaving with error %d."), result);
+		return result;
+		}
+
+	result=User::LoadLogicalDevice(LDD_NAME);
+	if (result!=KErrNone && result!=KErrAlreadyExists)
+		{
+		__FLOG_1(_L("Could not load LDD! Leaving with error %d."), result);	
+		return result;
+		}
+#endif
+	// Warm-boot the Comms Process, but avoid loading the Phonebook Synchronizer
+	aHarnessLogger->Log(_L("Starting C32Start warm-boot"));
+	_LIT(KPhbkSyncCMI, "phbsync.cmi");
+	result=WarmBootC32(KPhbkSyncCMI);
+	aHarnessLogger->Log(_L("C32Start warm-boot result=%d"), result);
+	
+	__FLOG_1(_L("C32Loader::loadC32. Done %d."), result);
+	__FLOG_CLOSE;
+	return result;
+	}
+
+// Helper fn: build a list of instances of CPMs running C32.DLL
+void C32Loader::BuildC32CPMListL(RRootServ& aRootServer, RUnloadInfoArray& aInfo, TDes8& aDispList)
+	{
+	TRSIter iter;
+	TCFModuleName modName;
+	TRSModuleInfo modInfo;
+	aInfo.ResetAndDestroy();
+	aDispList.SetLength(0);
+	while(aRootServer.EnumerateModules(iter, modName) == KErrNone)
+		{
+		if(aRootServer.GetModuleInfo(modName, modInfo) == KErrNone)
+			{
+			_LIT(KC32DLL, "*C32.DLL");
+			if(modInfo.iParams.iDll.MatchF(KC32DLL) >= 0)
+				{
+				TC32SvrUnloadInfo* unloadInfo = new(ELeave) TC32SvrUnloadInfo;
+				unloadInfo->iName.Copy(modInfo.iParams.iName);
+				unloadInfo->iStatus=modInfo.iParams.iState;
+				if(aDispList.Length() != 0)
+					{
+					aDispList.Append(_L8(", "));
+					}
+				aDispList.Append(unloadInfo->iName);
+				TInt err = aInfo.Append(unloadInfo);
+				if(err != KErrNone)
+					{
+					delete unloadInfo;
+					User::Leave(err);
+					}
+				}
+			}
+		}
+	}
+
+
+static TBool TestC32ExeStarted()
+	{
+	_LIT(KC32StartName,"*");
+	TBool ret = EFalse;
+	TFullName fn;
+	TFindProcess fp(KC32StartName);
+	while(!ret && fp.Next(fn) == KErrNone)
+		{
+		RProcess proc;
+		TInt result = proc.Open(fn);
+		if(result == KErrNone)
+			{
+			TUidType type = proc.Type();
+			if(type[2] == KUidCommsProcess && proc.ExitType() == EExitPending) 
+				{
+				ret = ETrue;
+				}
+			proc.Close();	
+			}
+		}
+	return ret;
+	}
+#ifdef __FLOG_ACTIVE
+void C32Loader::DoUnloadC32L(TCFShutdownType aType, MHarnessLogAdaptor* aHarnessLogger, RFileLogger& __logger__)
+#else
+void C32Loader::DoUnloadC32L(TCFShutdownType aType, MHarnessLogAdaptor* aHarnessLogger)
+#endif
+	{
+	int leakValue;
+	RProperty leakProperty;
+	TBool checkForLeaks; //if enabled
+		
+	if (!TestC32ExeStarted())	//No need to restart C32 if C32(c32exe) is not started;
+		{
+		return;
+		}
+	// Start the Comms Process
+	_LIT(KPhbkSyncCMI, "phbsync.cmi");
+	TInt err=StartC32WithCMISuppressions(KPhbkSyncCMI);
+		
+	//The root server should have been started so we can attack to the leak Property now
+	checkForLeaks = (leakProperty.Attach(KUidCommsProcess, KUidCommsModuleLeakCounter) == KErrNone);
+	CleanupClosePushL(leakProperty);
+	if (checkForLeaks)
+		{
+		checkForLeaks = (leakProperty.Get(leakValue) == KErrNone);	
+		}
+		
+	// With the Staged Start-up Architecture it is likely that C32 modules continue to load after the ECoreComponentsStarted
+	// state which releases StartC32() and RSocketServ::Connect(). So here we wait until the RootServer is fully configured before
+	// starting the shutdown, which avoids various races (modules may not be bound yet, or even loaded at all by the Configurator
+	// and hence invisible to this unloading code)
+	RProperty configurationProperty;
+	configurationProperty.Attach(KUidSystemCategory, KUidC32StartPropertyKey.iUid);	// needs the KEY
+	TInt propertyValue = EInitialising;	// set to safe state
+	TInt propertyResult = configurationProperty.Get(propertyValue);
+	TRequestStatus propertyStatus;
+	while(propertyValue < EConfigurationComplete)
+		{
+		configurationProperty.Subscribe(propertyStatus);
+		
+		if(configurationProperty.Get(propertyValue) == KErrNone && propertyValue == EConfigurationComplete)
+			{
+			configurationProperty.Cancel();
+			}
+		User::WaitForRequest(propertyStatus);
+		}
+
+	RRootServ rootserver;
+	if(err==KErrNone)
+		{
+		err=rootserver.Connect();
+		}
+	User::LeaveIfError(err);
+	CleanupClosePushL(rootserver);
+	
+	// Find all instances of CPMs running C32.DLL. We treat them all equally rather than trying anything
+	// clever such as telling the Main Thread to shutdown last, etc - C32 does whatever is best
+
+	RUnloadInfoArray unloadArray(16);
+	CleanupClosePushL(unloadArray);
+	TBuf8<256> modList;
+	BuildC32CPMListL(rootserver, unloadArray, modList);
+
+	aHarnessLogger->Log(_L8("%d modules to shutdown: %S"), unloadArray.Count(), &modList);
+
+	// Start by asking all of the C32 threads to unload when there are no sessions
+	TInt numLoaded = unloadArray.Count();
+	TInt mod;
+	for(mod = numLoaded - 1; mod >= 0; --mod)
+		{
+		TC32SvrUnloadInfo* info = unloadArray[mod];
+		__FLOG_1(_L8("C32Loader::UnloadCPM(%S, EGraceful)"), &info->iName);
+		//rootserver.UnloadCpm(info->iStatus, info->iName, EGraceful);
+		rootserver.UnloadCpm(info->iStatus, info->iName, EImmediate);
+		}
+
+	// Start polling to see when they all complete unloading - crude but easy. 
+	const TInt KPollPeriod = 2000 * 1000;
+	TUint maxPolls = 0xFFFFFFFF;	// a saintly degree of patience
+	if(aType==EImmediate)
+		{
+		// Limited patience for the unload; 
+		maxPolls = KGracefulTimeout / KPollPeriod;
+		}
+	TUint poll;
+	RUnloadInfoArray pollUnloadArray(16);
+	BuildC32CPMListL(rootserver, pollUnloadArray, modList);
+	for(poll = maxPolls; poll != 0 && pollUnloadArray.Count() > 0; --poll)
+		{
+		User::After(KPollPeriod);
+		// See what's left - an earlier version of this code relied upon the unload completions for this, but unload
+		// may complete prematurely with failure if the unbind times out. It can legitimately do this if waiting for
+		// a session to timeout
+		BuildC32CPMListL(rootserver, pollUnloadArray, modList);
+		if(pollUnloadArray.Count() > 0)
+			{
+			aHarnessLogger->Log(_L8("[%d]:%d remaining: %S"), poll, pollUnloadArray.Count(), &modList);
+			}
+		}
+	pollUnloadArray.ResetAndDestroy();
+
+	if(poll == 0 && unloadArray.Count() > 0)
+	    {
+	    __FLOG(_L8("Reached maxpolls, gave up."));
+	    }
+
+	// Cancel any remaining unloads and eat the events
+	for(mod = unloadArray.Count() - 1; mod >= 0; --mod)
+		{
+		TC32SvrUnloadInfo* info = unloadArray[mod];
+		__FLOG_1(_L8("C32Loader::CancelUnloadCPM(%S)"), &info->iName);
+		rootserver.CancelUnloadCpm(info->iName);
+		User::WaitForRequest(info->iStatus);
+		}
+
+	// See what's left
+	BuildC32CPMListL(rootserver, unloadArray, modList);
+
+	err = KErrNone; // Will use this to catch first error below.
+	if(unloadArray.Count() > 0 && aType == EImmediate)
+		{
+		__FLOG(_L8("Entering EImmediate loop."));
+		// No more waiting; we order immediate unloads
+		for(mod = 0; mod < unloadArray.Count(); mod++)
+			{
+			TC32SvrUnloadInfo* info = unloadArray[mod];
+			__FLOG_2(_L8("Module: %S. Status %d."), &info->iName, info->iStatus.Int());
+			if(mod == 0)
+				{
+				aHarnessLogger->Log(_L8("Timed-out waiting for shutdowns"));
+				}
+			aHarnessLogger->Log(_L8("Re-trying %S with EImmediate shutdown"), &info->iName);
+			__FLOG_1(_L8("C32Loader::UnloadCPM(%S, EImmediate)"), &info->iName);
+			rootserver.UnloadCpm(info->iStatus, info->iName, EImmediate);
+			}
+			
+		// Wait for them all to return.
+		for(mod = 0; mod < unloadArray.Count(); mod++)
+			{
+			TC32SvrUnloadInfo* info = unloadArray[mod];
+			__FLOG_2(_L8("Module: %S. Status %d."), &info->iName, info->iStatus.Int());
+			aHarnessLogger->Log(_L8("Waiting for %S to unload."), &info->iName);
+			__FLOG_1(_L8("C32Loader::WaitForUnloadCPM(%S, EImmediate)"), &info->iName);
+			User::WaitForRequest(info->iStatus);
+			}
+		}
+
+	__FLOG(_L8("Get first failure errorcode."));
+	// The first module that failed to unload becomes the error code for all
+	for(mod = unloadArray.Count() - 1; mod >= 0; --mod)
+		{
+		TC32SvrUnloadInfo* info = unloadArray[mod];
+		__FLOG_2(_L8("Module: %S. Status %d."), &info->iName, info->iStatus.Int());
+		if(info->iStatus != KErrNone && info->iStatus != KErrRSModuleNotLoaded)
+			{
+			aHarnessLogger->Log(_L8("%S completed with %d"), &info->iName, info->iStatus.Int());
+			if(err==KErrNone)
+				{
+    			err=info->iStatus.Int();
+				}
+			}
+		}
+	aHarnessLogger->Log(_L("Shutdown completed"));
+	CleanupStack::PopAndDestroy(2);	// unloadArray, rootserver
+	
+	#if defined (__EPOC32__)	
+	TInt retDD = User::FreePhysicalDevice(PDD_NAME);
+	if (retDD != KErrNone)
+		{
+		aHarnessLogger->Log(_L8("Failed unloading Physical Device Driver return code %d "), retDD);	
+		}
+	
+	retDD = User::FreeLogicalDevice(LDD_NAME);
+	if (retDD != KErrNone)
+		{
+		aHarnessLogger->Log(_L8("Failed unloading Logical Device Driver return code %d "), retDD);	
+		}
+	#endif
+	// LEave with last seen error, if any
+	if(err!=KErrNone)
+		{
+		User::Leave(err);
+		}
+		
+	if (checkForLeaks)
+		{
+		TInt leakVal2;
+		if (leakProperty.Get(leakVal2) == KErrNone)
+			{
+			if (leakVal2 > leakValue)
+				{
+				User::Leave(KModuleLeaked);
+				}
+			}
+		}
+	CleanupStack::Pop(&leakProperty);
+	leakProperty.Close();		
+	}
+
+
+EXPORT_C TInt C32Loader::UnloadC32(MHarnessLogAdaptor* aHarnessLogger)
+/**
+Connects to the Comms Rootserver and requests unload of the Socket Server CPM.
+Returns when it is unloaded.
+*/
+	{
+	return UnloadC32(EGraceful, aHarnessLogger);
+    }
+
+EXPORT_C TInt C32Loader::UnloadC32(CommsFW::TCFShutdownType aType, MHarnessLogAdaptor* aHarnessLogger)
+/**
+Connects to the Comms Rootserver and requests unload of the Socket Server CPM.
+Returns when it is unloaded.
+*/
+	{
+	__FLOG_DECLARATION_VARIABLE;
+	__FLOG_OPEN(KC32LogSubsys, KC32LogComponent);
+	__FLOG_1(_L("C32Loader::UnloadC32, CommsFW::TCFShutdownType==%d."), aType);
+
+#ifdef __FLOG_ACTIVE
+	TRAPD(err, DoUnloadC32L(aType, aHarnessLogger, __logger__));
+#else
+	TRAPD(err, DoUnloadC32L(aType, aHarnessLogger));
+#endif
+
+	__FLOG_1(_L("C32Loader::UnloadC32: returning %d."), err);
+	__FLOG_CLOSE;
+	return err;
+	}
+