--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecompiler/test/SourceEngineTest/foo.cpp Tue Oct 26 16:20:32 2010 +0300
@@ -0,0 +1,179 @@
+// Copyright (c) 2007-2010 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 "Symbian Foundation License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Trace Core
+//
+#include <kern_priv.h>
+#include "TraceCoreRouter.h"
+#include "TraceCoreSubscriber.h"
+#include "TraceCoreDebug.h"
+#include "OstTraceDefinitions.h"
+
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "TraceCoreRouterTraces.h"
+#endif
+
+// Constants
+
+/**
+ * Constructor
+ */
+DTraceCoreRouter::DTraceCoreRouter()
+: iMessageSender( NULL )
+ {
+ }
+
+
+/**
+ * Destructor
+ */
+DTraceCoreRouter::~DTraceCoreRouter()
+ {
+ Kern::MutexWait(*iLock);
+ iRoutingItems.Reset();
+ Kern::MutexSignal(*iLock);
+ iLock->Close(NULL);
+ }
+
+
+/**
+ * Initializes this router
+ *
+ * @param aMessageSender The message sender interface
+ */
+TInt DTraceCoreRouter::Init( MTraceCoreMessageSender& aMessageSender )
+ {
+ iMessageSender = &aMessageSender;
+ _LIT(KTraceCoreRouterLock, "DTraceCoreRouter_Lock");
+ TInt err = Kern::MutexCreate(iLock, KTraceCoreRouterLock, KMutexOrdGeneral0);
+ return err;
+ }
+
+
+/**
+ * Callback for incoming messages
+ *
+ * @param aMsg The message
+ * @return KErrNotFound if the message id was not found (not subscribed), KErrNone if found
+ */
+TInt DTraceCoreRouter::MessageReceived( TTraceMessage &aMsg )
+ {
+ OstTraceExt1( TRACE_FLOW, DTRACECOREROUTER_MESSAGERECEIVED_ENTRY, "> DTraceCoreRouter::MessageReceived. MsgId:0x%hhx", aMsg.iMessageId );
+
+ TInt ret( KErrNotFound );
+ TUint32 messageId = aMsg.iMessageId;
+ TUint32 msgFormat = aMsg.iMsgFormat;
+
+ Kern::MutexWait(*iLock);
+ for ( TInt i = 0; i < iRoutingItems.Count(); i++ )
+ {
+ if ( iRoutingItems[ i ].iMessageID == messageId && iRoutingItems[ i ].iMsgFormat == msgFormat )
+ {
+ iRoutingItems[ i ].iSubscriber->MessageReceived( aMsg );
+ ret = KErrNone;
+ }
+ }
+ Kern::MutexSignal(*iLock);
+
+ OstTrace1( TRACE_FLOW, DTRACECOREROUTER_MESSAGERECEIVED_EXIT, "< DTraceCoreRouter::MessageReceived. Ret:%d", ret );
+ return ret;
+ }
+
+
+/**
+ * Subscribes to a message
+ *
+ * @param aRoutingItem The subscription properties.
+ */
+TInt DTraceCoreRouter::Subscribe( TRoutingItem& aRoutingItem )
+ {
+ OstTrace1( TRACE_FLOW, DTRACECOREROUTER_SUBSCRIBE_ENTRY, "> DTraceCoreRouter::Subscribe 0x%x", ( TUint )&( aRoutingItem ) );
+
+ TInt err = KErrNone;
+ if ( iMessageSender != NULL )
+ {
+ if ( aRoutingItem.iSubscriber != NULL )
+ {
+ Kern::MutexWait(*iLock);
+ // Add to routingItems array
+ err = iRoutingItems.Append( aRoutingItem );
+ Kern::MutexSignal(*iLock);
+ if ( err == KErrNone )
+ {
+ // Set message sender to routing item
+ aRoutingItem.iSubscriber->SetMessageSender( *iMessageSender );
+ OstTraceExt2( TRACE_NORMAL, DTRACECOREROUTER_SUBSCRIBE_SUBSCRIBED_TO_MESSAGE, "DTraceCoreRouter::Subscribe - Subscribed to message. Subscriber:0x%x MsgId:0x%x", (TUint)aRoutingItem.iSubscriber, (TUint)aRoutingItem.iMessageID );
+ }
+ }
+ // Subscriber was NULL
+ else
+ {
+ err = KErrArgument;
+ }
+ }
+ // Message sender not set
+ else
+ {
+ err = KErrGeneral;
+ }
+ OstTrace1( TRACE_FLOW, DTRACECOREROUTER_SUBSCRIBE_EXIT, "< DTraceCoreRouter::Subscribe. Err:%d", err );
+ return err;
+ }
+
+
+/**
+ * Unsubscribes from a message
+ *
+ * @param aRoutingItem The subscription properties
+ */
+void DTraceCoreRouter::Unsubscribe( TRoutingItem& aRoutingItem )
+ {
+ // Make sure not to delete item while going through items somewhere else
+ Kern::MutexWait(*iLock);
+ for ( TInt i = 0; i < iRoutingItems.Count(); i++ )
+ {
+ if ( iRoutingItems[ i ].iMessageID == aRoutingItem.iMessageID
+ && iRoutingItems[ i ].iSubscriber == aRoutingItem.iSubscriber )
+ {
+ OstTraceExt2( TRACE_NORMAL, DTRACECOREROUTER_UNSUBSCRIBE_UNSUBSCRIBED, "DTraceCoreRouter::Unsubscribe - Unsubscribed 0x%x MsgID:0x%x", (TUint)aRoutingItem.iSubscriber, (TUint)aRoutingItem.iMessageID );
+ iRoutingItems.Remove( i );
+ i--;
+ }
+ }
+ Kern::MutexSignal(*iLock);
+ }
+
+
+/**
+ * Unsubscribes from all messages of given subscriber
+ *
+ * @param aSubscriber The subscriber to be unregistered
+ */
+void DTraceCoreRouter::Unsubscribe( DTraceCoreSubscriber& aSubscriber )
+ {
+ OstTrace1( TRACE_FLOW, DTRACECOREROUTER_UNSUBSCRIBEALL_ENTRY, "> DTraceCoreRouter::UnsubscribeAll 0x%x", ( TUint )&( aSubscriber ) );
+
+ Kern::MutexWait(*iLock);
+ for ( TInt i = 0; i < iRoutingItems.Count(); i++ )
+ {
+ if ( iRoutingItems[ i ].iSubscriber == &aSubscriber )
+ {
+ OstTraceExt2( TRACE_NORMAL, DTRACECOREROUTER_UNSUBSCRIBEALL_UNSUBSCRIBED, "DTraceCoreRouter::UnsubscribeAll - Unsubscribed 0x%x MsgID:%d", (TUint)&aSubscriber, (TInt)iRoutingItems[ i ].iMessageID );
+ iRoutingItems.Remove( i );
+ i--;
+ }
+ }
+ Kern::MutexSignal(*iLock);
+ }
+
+// End of File