--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/debug/securityServer/src/c_security_svr_async.cpp Wed Sep 01 12:34:56 2010 +0100
@@ -0,0 +1,152 @@
+// 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 the License "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:
+// Asynchronous security server active object class.
+//
+//
+
+#include <e32base.h>
+#include <e32base_private.h>
+
+#include "c_security_svr_async.h"
+#include "rm_debug_logging.h"
+
+using namespace Debug;
+
+// ctor
+CSecuritySvrAsync::CSecuritySvrAsync(CSecuritySvrSession* aSession, TProcessId aAgentId)
+ : CActive(CActive::EPriorityStandard),
+ iSession(aSession),
+ iProcessName(NULL),
+ iAgentId(aAgentId),
+ iEventBalance(0)
+ {
+ LOG_MSG("CSecuritySvrAsync::CSecuritySvrAsync()");
+ CActiveScheduler::Add(this);
+ }
+
+// returns a CSecuritySvrAsync active object associated with
+// the specified agent and debugged process.
+CSecuritySvrAsync* CSecuritySvrAsync::NewL(CSecuritySvrSession* aSession, const TDesC8& aProcessName, TProcessId aAgentId)
+ {
+ LOG_MSG("CSecuritySvrAsync::NewL()");
+ CSecuritySvrAsync* me = new (ELeave) CSecuritySvrAsync(aSession, aAgentId);
+
+ CleanupStack::PushL(me);
+
+ me->ConstructL(aProcessName);
+
+ CleanupStack::Pop(me);
+
+ return (me);
+ }
+
+// dtor
+CSecuritySvrAsync::~CSecuritySvrAsync()
+ {
+ LOG_MSG("CSecuritySvrAsync::~CSecuritySvrAsync()");
+
+ // NOTE: the Cancel() function calls DoCancel() which may rely on class members so be careful not
+ // to destroy/close data members before this call if they are needed
+ Cancel();
+ iProcessName.Close();
+ }
+
+// Associates the agent id and process name with the Active Object being constructed
+void CSecuritySvrAsync::ConstructL(const TDesC8& aProcessName)
+ {
+ LOG_MSG("CSecuritySvrAsync::ConstructL()");
+ iProcessName.CreateL(aProcessName.Length());
+ iProcessName.Copy(aProcessName);
+ }
+
+// RunL() completes a previously issued call (currently only GetEvent() completion)
+void CSecuritySvrAsync::RunL()
+ {
+
+ LOG_MSG3("CSecuritySvrAsync::RunL() &iInfo=0x%08x, iEventBalance=%d", (TUint8*)&iInfo, iEventBalance);
+
+ // Something bad happened in the driver
+ User::LeaveIfError(iStatus.Int());
+
+ // Write back the event data to the debug agent.
+ // For compatibility we need to check the size of the buffer that the
+ // client has passed in as the size of TEventInfo will increase over time.
+ // Clients can calculate the required size from the EApiConstantsTEventInfoSize entry
+ // in the Debug Functionality block but may still pass in buffers which
+ // are smaller than the Debug Security Server's calculation of sizeof(TEventInfo),
+ // returning KErrTooBig in this case would be
+ // inappropriate as we would break compatibility.
+ TInt dataLengthToReturn = sizeof(TEventInfo);
+ TInt maxLengthClientSide = iMessage.GetDesMaxLengthL(1);
+ if(maxLengthClientSide < dataLengthToReturn)
+ {
+ dataLengthToReturn = maxLengthClientSide;
+ }
+
+ TPtr8 data((TUint8*)&iInfo,dataLengthToReturn,dataLengthToReturn);
+
+ iMessage.WriteL(1,data,0);
+
+ iMessage.Complete(KErrNone);
+ --iEventBalance;
+ }
+
+// Cancels the oustanding GetEvent call. May cope with other async calls in future.
+void CSecuritySvrAsync::DoCancel()
+ {
+ LOG_MSG2("CSecuritySvrAsync::DoCancel() iEventBalance=%d", iEventBalance);
+ iSession->Server().iKernelDriver.CancelGetEvent(iProcessName,iAgentId.Id());
+
+ iMessage.Complete(KErrCancel);
+ iEventBalance=0;
+ }
+
+// Report any leave to the client if possible.
+TInt CSecuritySvrAsync::RunError(TInt aError)
+ {
+ LOG_MSG2("CSecuritySvrAsync::RunError()=%d", aError);
+ iMessage.Complete(aError);
+
+ return KErrNone;
+ }
+
+/*
+ * Start an asynchronous GetEvent call to the debug driver
+ * and activates this active object.
+ */
+void CSecuritySvrAsync::GetEvent(const RMessage2& aMessage)
+ {
+ iMessage = aMessage;
+
+ iEventBalance++;
+ LOG_MSG5("CSecuritySvrAsync::GetEvent() this = 0x%08x, iInfo=0x%08x, iStatus=0x%08x \
+ iEventBalance=%d : >SetActive() > GetEvent() ",
+ this, &iInfo, &iStatus, iEventBalance );
+
+ /*
+ SetActive is called before sending the message to the driver so
+ that we do not get stray signal panics, since the driver may complete immediately
+ */
+ SetActive();
+ iSession->Server().iKernelDriver.GetEvent(iProcessName,iAgentId.Id(),iStatus,iInfo);
+ }
+
+// Used for identifying which AO is associated with a debugged process
+const TDesC8& CSecuritySvrAsync::ProcessName(void)
+ {
+ return iProcessName;
+ }
+
+// End of file - c_security_svr_async.cpp
+