--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/localconnectivityservice/locod/src/locodservice.cpp	Mon Jan 18 21:03:15 2010 +0200
@@ -0,0 +1,220 @@
+/*
+* Copyright (c) 2006 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:  The implementation of LCD service
+*
+*/
+
+
+#include <locodserviceplugin.h>
+
+#include "locodservice.h"
+#include "debug.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Creates a service object based on the service plug in objects
+// ---------------------------------------------------------------------------
+//
+CLocodService* CLocodService::NewL(CLocodServicePlugin& aPlugin)
+    {
+    CLocodService* self = new (ELeave) CLocodService(aPlugin);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ destructor
+// ---------------------------------------------------------------------------
+//
+CLocodService::~CLocodService()
+    {
+    delete iPlugin;
+    iRequests.Close();
+    TRACE_FUNC
+    }
+
+// ---------------------------------------------------------------------------
+// return the plugin instance
+// ---------------------------------------------------------------------------
+//
+CLocodServicePlugin& CLocodService::Plugin()
+    {
+    return *iPlugin;
+    }
+
+
+// ---------------------------------------------------------------------------
+// A request is sent to service plug in to manage their services
+// ---------------------------------------------------------------------------
+//
+TInt CLocodService::ManageService(TLocodBearer aBearer, TBool aStatus)
+    {
+    TRACE_INFO((_L("[Srvc %d] [SrvcState 0x%04x]"), iPlugin->ImplementationUid().iUid, iServiceStatus))
+    
+    // if there is an outstanding request which has the same bearer,
+    // remove all later enqueued request, and
+    // enqueue this request if the bearer status is different from the ongoing one.
+    TInt count = iRequests.Count();
+    for (TInt i = 0; i < count; i++)
+        {
+        if (iRequests[i].iBearer == aBearer && iRequests[i].iRequesting)
+            {
+            for (TInt j = count - 1; j > i; j--)
+                {
+                if (iRequests[j].iBearer == aBearer)
+                    {
+                    TRACE_INFO((_L("[Srvc %d] [ManSrvc] Remove buffered request(Bearer 0x%04x status %d)"), 
+                        iPlugin->ImplementationUid().iUid, aBearer, iRequests[j].iStatus))
+                    iRequests.Remove(j);
+                    }
+                }
+            if ((!iRequests[i].iStatus && aStatus) || (iRequests[i].iStatus && !aStatus))
+                {
+                TRACE_INFO((_L("[Srvc %d] [ManSrvc] Buffer request(Bearer 0x%04x status %d)"), 
+                    iPlugin->ImplementationUid().iUid, aBearer, aStatus))
+                return iRequests.Append(TLocodServiceRequest(aBearer, aStatus));
+                }
+            else
+                {
+                TRACE_INFO((_L("[Srvc %d] [ManSrvc] Request(Bearer 0x%04x status %d) discarded"), 
+                    iPlugin->ImplementationUid().iUid, aBearer, aStatus))
+                return KErrNone;
+                }
+            }
+        }
+    
+    // else if the latest bearer status in this service plugin is different,
+    // Start ManageService()
+    if ( aStatus && !(iServiceStatus & aBearer) ||
+        !aStatus && (iServiceStatus & aBearer))
+        {
+        TLocodServiceRequest request(aBearer, aStatus);
+        request.iRequesting = ETrue;
+        TInt err = iRequests.Append(request);
+        TRACE_INFO((_L("[Srvc %d] [ManSrvc] Issue request(Bearer 0x%04x status %d)"), 
+            iPlugin->ImplementationUid().iUid, aBearer, aStatus))
+        if (!err)
+            {
+            iPlugin->ManageService(aBearer, aStatus);
+            }
+        return err;
+        }
+    
+    // else the latest bearer status in this service plugin is the same,
+    // do nothing
+    TRACE_INFO((_L("[Srvc %d] [ManSrvc] Request(Bearer 0x%04x status %d) discarded"), 
+        iPlugin->ImplementationUid().iUid, aBearer, aStatus))
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Based on the status of bearer either the request is removed or a new manage 
+// service is issued
+// ---------------------------------------------------------------------------
+//
+void CLocodService::ManageServiceCompleted(TLocodBearer aBearer, 
+    TBool aStatus, TInt err)
+    {
+    TRACE_INFO((_L("[Srvc %d] [ManSrvc complete] (Bearer 0x%04x status %d) return %d"), 
+        iPlugin->ImplementationUid().iUid, aBearer, aStatus, err))    
+    // Save the latest status of this bearer
+    if (!err)
+        {
+        if (aStatus)
+            {
+            iServiceStatus |= aBearer;
+            }
+        else
+            {
+            iServiceStatus &= (~aBearer);
+            }
+        TRACE_INFO((_L("[Srvc %d] [SrvcState 0x%04x]"), iPlugin->ImplementationUid().iUid, iServiceStatus))
+        }
+    
+    // Find the completed request and remove it from the request list.
+    TInt count = iRequests.Count();
+    for (TInt i = 0; i < count; i++)
+        {
+        if (iRequests[i].iBearer == aBearer && iRequests[i].iRequesting)
+            {
+            TRACE_INFO((_L("[Srvc %d] [ManSrvc completed] Remove completed request(Bearer 0x%04x status %d)"), 
+                iPlugin->ImplementationUid().iUid, aBearer, iRequests[i].iStatus))            
+            iRequests.Remove(i);
+            break;
+            }
+        }
+    
+    // Find the next request and start ManageService if the status is changed.
+    count = iRequests.Count();
+    for (TInt i = 0; i < count; i++)
+        {
+        if (iRequests[i].iBearer == aBearer)
+            {
+            if ( (iRequests[i].iStatus && !(iServiceStatus & aBearer)) ||
+                 (!iRequests[i].iStatus && (iServiceStatus & aBearer)))
+                {
+                iRequests[i].iRequesting = ETrue;
+                TRACE_INFO((_L("[Srvc %d] [ManSrvc completed] Issue buffered request(Bearer 0x%04x status %d)"), 
+                    iPlugin->ImplementationUid().iUid, aBearer, iRequests[i].iStatus))
+                iPlugin->ManageService(iRequests[i].iBearer, iRequests[i].iStatus);
+                }
+            else
+                {
+                TRACE_INFO((_L("[Srvc %d] [ManSrvc completed] Remove buffered request(Bearer 0x%04x status %d)"), 
+                    iPlugin->ImplementationUid().iUid, aBearer, iRequests[i].iStatus))            
+                iRequests.Remove(i);
+                }
+            break;
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// return if there are request pending
+// ---------------------------------------------------------------------------
+//
+TBool CLocodService::HasServiceToManage() const
+    {
+    return iRequests.Count();
+    }
+
+// ---------------------------------------------------------------------------
+// C++ default constructor
+// ---------------------------------------------------------------------------
+//
+CLocodService::CLocodService(CLocodServicePlugin& aPlugin) : iPlugin(&aPlugin)
+    {
+    TRACE_FUNC_THIS
+    }
+    
+// ---------------------------------------------------------------------------
+// C++ 2nd phase construction
+// ---------------------------------------------------------------------------
+//
+void CLocodService::ConstructL()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// C++ default constructor
+// ---------------------------------------------------------------------------
+//
+TLocodServiceRequest::TLocodServiceRequest(TLocodBearer aBearer, TBool aStatus)
+:   iBearer(aBearer), iStatus(aStatus), iRequesting(EFalse)
+    {
+    }
+