--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecore/btrace_handler/src/TraceCoreSubscriber.cpp Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,145 @@
+// 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 "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:
+// Trace Core
+
+
+#include "TraceCore.h"
+#include "TraceCoreSubscriber.h"
+#include "TraceCoreRouter.h"
+#include "TraceCoreDebug.h"
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "TraceCoreSubscriberTraces.h"
+#endif
+
+
+
+/**
+ * Constructor
+ */
+EXPORT_C DTraceCoreSubscriber::DTraceCoreSubscriber()
+: iMessageSender( NULL )
+ {
+ }
+
+
+/**
+ * Destructor
+ */
+EXPORT_C DTraceCoreSubscriber::~DTraceCoreSubscriber()
+ {
+ iMessageSender = NULL;
+ Unsubscribe();
+ }
+
+/**
+ * Subscribes to a message by message ID / protocol ID
+ * depending of the header format. First byte of aMessageID is always used
+ * for header format.
+ *
+ * @param aMessageId The message ID to be subscribed
+ * @param aMsgFormat Message format e.g. EMessageHeaderFormatOst
+ *
+ */
+EXPORT_C TInt DTraceCoreSubscriber::Subscribe( TUint32 aMessageID, TMessageHeaderFormat aHeaderFormat )
+ {
+ TInt ret(KErrNone);
+ // Use MSByte only for header format
+ TUint32 combined = aHeaderFormat << 24 | (aMessageID & 0x00FFFFFF); // CodForChk_Dis_Magic
+ DTraceCoreSubscriber::Subscribe( combined );
+ return ret;
+ }
+
+/**
+ * Subscribes to a message by message ID
+ *
+ * @param aMessageId The message ID to be subscribed
+ */
+EXPORT_C TInt DTraceCoreSubscriber::Subscribe( TUint32 aMessageID )
+ {
+ OstTrace1( TRACE_BORDER, DTRACECORESUBSCRIBER_SUBSCRIBE_ENTRY, "> DTraceCoreSubscriber::Subscribe 0x%x", aMessageID );
+ TInt ret = KErrGeneral;
+ DTraceCore* traceCore = DTraceCore::GetInstance();
+ if ( traceCore != NULL )
+ {
+ TRoutingItem routingItem;
+
+ // If MSByte is empty it is Proprietary message -> Add Proprietary header format id
+ // Otherwise take it from aMessageId (MSByte)
+ if( !(aMessageID & 0xFF000000) ) // CodForChk_Dis_Magic explained in comment
+ {
+ routingItem.iMsgFormat = EMessageHeaderFormatProprietary;
+ }
+ else
+ {
+ // Extract Header Format from aMessageID
+ routingItem.iMsgFormat = (aMessageID >> 24) & 0x000000FF; // CodForChk_Dis_Magic
+ }
+
+ // Remove Header format
+ aMessageID = (aMessageID & 0x00FFFFFF); // CodForChk_Dis_Magic
+
+ routingItem.iMessageID = aMessageID;
+ routingItem.iSubscriber = this;
+
+ ret = traceCore->GetRouter().Subscribe( routingItem );
+ }
+ OstTrace1( TRACE_API, DTRACECORESUBSCRIBER_SUBSCRIBE_EXIT, "DTraceCoreSubscriber::Subscribe. Return code:%d", ret );
+ return ret;
+ }
+
+
+/**
+ * Unsubscribes a message ID
+ *
+ * @param aMessageId The message ID to be unsubscribed
+ */
+EXPORT_C void DTraceCoreSubscriber::Unsubscribe( TUint32 aMessageID )
+ {
+ OstTrace1( TRACE_BORDER, DTRACECORESUBSCRIBER_UNSUBSCRIBE_ENTRY, "> DTraceCoreSubscriber::Unsubscribe. MsgId:%d", aMessageID );
+ DTraceCore* traceCore = DTraceCore::GetInstance();
+ if ( traceCore != NULL )
+ {
+ TRoutingItem routingItem;
+ routingItem.iMessageID = aMessageID;
+ routingItem.iSubscriber = this;
+ traceCore->GetRouter().Unsubscribe( routingItem );
+ }
+ }
+
+
+/**
+ * Called by router to set the message sender interface
+ */
+void DTraceCoreSubscriber::SetMessageSender( MTraceCoreMessageSender& aMessageSender )
+ {
+ iMessageSender = &aMessageSender;
+ }
+
+
+/**
+ * Unsubscribes all message ID's of this subscriber
+ */
+void DTraceCoreSubscriber::Unsubscribe()
+ {
+ DTraceCore* traceCore = DTraceCore::GetInstance();
+
+ // Unsubsribe if TraceCore exists
+ if ( traceCore != NULL )
+ {
+ traceCore->GetRouter().Unsubscribe( *this );
+ }
+ }
+
+// End of File