diff -r 000000000000 -r 63b37f68c1ce connectivitylayer/isce/p2prouter_dll/src/p2prouter.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/isce/p2prouter_dll/src/p2prouter.cpp	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,422 @@
+/*
+* Copyright (c) 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: 
+*
+*/
+
+
+
+#include <kernel.h>             // For Kern
+
+#include "p2prouter.h"          // For DP2PRouter
+#include "memapi.h"             // For MemApi
+#include "p2proutertrace.h"     // For C_TRACE..
+#include "p2pdevice.h"          // For DP2PDevice
+#include "mlinkmuxif.h"         // For MLinkMuxIf
+#include "trxdefs.h"            // For ETrx...
+#include "p2pinternaldefs.h"    // For EP2PAsyncOpen
+
+// Faults
+enum TP2PRouterFaults
+    {
+    EP2PRouterMemAllocFailure = 0x00,
+    EP2PRouterMemAllocFailure1,
+    EP2PRouterMemAllocFailure2,
+    EP2PRouterMemAllocFailure3,
+    EP2PRouterMemAllocFailure4,
+    EP2PRouterMemAllocFailure5,
+    EP2PRouterMemAllocFailure6,
+    EP2PRouterMemAllocFailure7,
+    EP2PRouterMemAllocFailure8,
+    EP2PRouterOverTheLimits,
+    EP2PRouterWrongRequest,
+    EP2PRouterWrongRequest2,
+    EP2PRouterNullParam,
+    EP2PRouterWrongParam,
+    EP2PRouterWrongParam2,
+    EP2PRouterWrongParam3,
+    EP2PRouterWrongParam4,
+    EP2PRouterWrongParam5,
+    EP2PRouterWrongParam6,
+    EP2PRouterWrongParam7,
+    EP2PRouterWrongParam8,
+    };
+
+const TInt KDfcPriority( 5 );
+const TInt KDefaultDfcThreadPriority( 27 );
+
+_LIT( KP2PDfcQThreadName, "P2PRouter" );
+_LIT( KP2PLddDfcQThreadName, "P2PUserChannel" );
+TDfcQue* DP2PRouter::iP2PDfcQueList[ EAmountOfP2PDfcThreads ] = { NULL, NULL };
+DP2PRouter* DP2PRouter::iSelfPtr = NULL;
+
+DP2PRouter::DP2PRouter(
+        // None
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::DP2PRouter>" ) ) );
+    TInt err = Kern::DfcQCreate( iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDefaultDfcThreadPriority, &KP2PDfcQThreadName );
+    ASSERT_RESET_ALWAYS( iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], EP2PRouterMemAllocFailure );
+    err = Kern::DfcQCreate( iP2PDfcQueList[ MP2PChRouterIf::EP2PLddDfcThread ], KDefaultDfcThreadPriority, &KP2PLddDfcQThreadName );
+    ASSERT_RESET_ALWAYS( iP2PDfcQueList[ MP2PChRouterIf::EP2PLddDfcThread ], EP2PRouterMemAllocFailure1 );
+    iInitDfc = new TDfc( InitDfc, this, iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDfcPriority );
+    ASSERT_RESET_ALWAYS( iInitDfc, EP2PRouterMemAllocFailure2 );
+    iInitDfc->Enque();
+    C_TRACE( ( _T( "DP2PRouter::DP2PRouter<" ) ) );
+
+    }
+
+DP2PRouter::~DP2PRouter(
+        // None
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::~DP2PRouter>" ) ) );
+    iSelfPtr = NULL;
+    delete iShChannelTableFastMutex;
+    iShChannelTableFastMutex = NULL;
+    // owning so deleting
+    for( TInt i( 0 ); i < EP2PAmountOfProtocols; i++ )
+        {
+        MP2PRouterLinkIf* temp = iLinksArray[ i ];
+        temp->Release();
+        temp = NULL;
+        iLinksArray[ i ] = NULL;
+        }
+    delete []iLinksArray;
+    delete []iP2PDfcQueList;
+    iInitDfc->Cancel();
+    delete iInitDfc;
+    iInitDfc = NULL;
+    iTrxPrecentDfc->Cancel();
+    delete iTrxPrecentDfc;
+    iTrxPrecentDfc = NULL;
+    iTrxNotPrecentDfc->Cancel();
+    delete iTrxNotPrecentDfc;
+    iTrxNotPrecentDfc = NULL;
+    C_TRACE( ( _T( "DP2PRouter::~DP2PRouter<" ) ) );
+
+    }
+
+// From MP2PLinkRouterIf start
+
+// Called with FM held, no blocking no nesting, allocation etc.. just enque dfc.
+void DP2PRouter::NotifyTrxPresenceEnqueDfc(
+        TBool aPresent
+        )
+    {
+
+    // No traces allowed due to no blocking.
+    if( aPresent )
+        {
+        iTrxPrecentDfc->Enque();
+        }
+    else
+        {
+        iTrxNotPrecentDfc->Enque();
+        }
+
+    }
+
+// Called in some thread contextes
+void DP2PRouter::Receive(
+        TDes8& aMsg,
+        const TUint8 aProtocolId
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::Receive 0x%x %d>" ), &aMsg, aProtocolId ) );
+    ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    NKern::FMWait( iShChannelTableFastMutex );
+    MP2PRouterChIf* channel = iShChannelTable[ aProtocolId ].iChannel;
+    if( channel )
+        {
+        NKern::FMSignal( iShChannelTableFastMutex );
+        // This functions calling thread shall content with channels thread.
+        channel->ReceiveMsg( aMsg );
+        }
+    else
+        {
+        NKern::FMSignal( iShChannelTableFastMutex );
+        // Discard incoming messages without a receiving point channel open.
+        TRACE_ASSERT_ALWAYS;
+        MemApi::DeallocBlock( aMsg );
+        }
+    C_TRACE( ( _T( "DP2PRouter::Receive 0x%x %d<" ), &aMsg, aProtocolId ) );
+
+    }
+
+// From MP2PLinkRouterIf end
+
+// From MP2PChRouterIf start
+void DP2PRouter::Open(
+        const TUint8 aProtocolId,
+        MP2PRouterChIf* aCallback
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::Open %d>" ), aProtocolId ) );
+    // TODO :  assert to check always called in p2p extension thread context
+    ASSERT_RESET_ALWAYS( aCallback, EP2PRouterNullParam );
+    ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam2 | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    ASSERT_RESET_ALWAYS( iLinksArray[ aProtocolId ], ( EP2PRouterWrongParam3 | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    if( iLinksArray[ aProtocolId ]->TrxPresent() )
+        {
+        C_TRACE( ( _T( "DP2PRouter::Open ok %d" ), aProtocolId ) );
+        NKern::FMWait( iShChannelTableFastMutex );
+        // Channel with the same protocol id is already opened or waiting to complete the opening.
+        if( iShChannelTable[ aProtocolId ].iChannel || iShChannelTable[ aProtocolId ].iWaitingChannel )
+            {
+            NKern::FMSignal( iShChannelTableFastMutex );
+            // If another channel tries to open already open channel.
+            TRACE_WARNING( iShChannelTable[ aProtocolId ].iChannel == aCallback, (TUint8)aProtocolId );
+            aCallback->EnqueChannelRequestCompleteDfc( EP2PAsyncOpen, KErrInUse );//TODO: synch user and kernel APIs return values
+            }
+        else
+            {
+            iShChannelTable[ aProtocolId ].iChannel = aCallback;
+            NKern::FMSignal( iShChannelTableFastMutex );
+            aCallback->EnqueChannelRequestCompleteDfc( EP2PAsyncOpen, KErrNone );
+            }
+        }
+    else
+        {
+        C_TRACE( ( _T( "DP2PRouter::Open pending %d" ), aProtocolId ) );
+        ASSERT_RESET_ALWAYS( !iShChannelTable[ aProtocolId ].iWaitingChannel, EP2PRouterWrongRequest );
+        NKern::FMWait( iShChannelTableFastMutex );
+        iShChannelTable[ aProtocolId ].iWaitingChannel = aCallback;
+        NKern::FMSignal( iShChannelTableFastMutex );
+        }
+    C_TRACE( ( _T( "DP2PRouter::Open %d<" ), aProtocolId ) );
+
+    }
+
+void DP2PRouter::Close(
+        const TUint8 aProtocolId
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::Close %d>" ), aProtocolId ) );
+    // TODO :  assert to check always called in p2p extension thread context
+    ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam4 | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    NKern::FMWait( iShChannelTableFastMutex );
+    if( iShChannelTable[ aProtocolId ].iChannel || iShChannelTable[ aProtocolId ].iWaitingChannel )
+        {
+        iShChannelTable[ aProtocolId ].iChannel = NULL;
+        iShChannelTable[ aProtocolId ].iWaitingChannel = NULL;
+        }
+    NKern::FMSignal( iShChannelTableFastMutex );
+    C_TRACE( ( _T( "DP2PRouter::Close<" ) ) );
+
+    }
+
+// Shall be called from P2P ext router thread context only.
+TBool DP2PRouter::ConnectionExist(
+        const TUint8 aProtocolId
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::ConnectionExists %d<>" ), aProtocolId ) );
+    ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam5 | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    ASSERT_RESET_ALWAYS( iLinksArray[ aProtocolId ], ( EP2PRouterWrongParam6 | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    return iLinksArray[ aProtocolId ]->TrxPresent();
+
+    }
+
+TDfcQue* DP2PRouter::GetDfcThread(
+        const TP2PDfcThread anIndex
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::GetDfcThread<>" ) ) );
+    ASSERT_RESET_ALWAYS( anIndex < EAmountOfP2PDfcThreads, EP2PRouterWrongRequest2 );
+    ASSERT_RESET_ALWAYS( iP2PDfcQueList[ anIndex ], EP2PRouterMemAllocFailure6 );
+    return iP2PDfcQueList[ anIndex ];
+
+    }
+
+
+MP2PChRouterIf* MP2PChRouterIf::GetIf()
+    {
+
+    C_TRACE( ( _T( "MP2PChRouterIf::GetIf<>" ) ) );
+    return DP2PRouter::GetRouter();
+
+    }
+
+TInt DP2PRouter::Send(
+        TDes8& aMessage,
+        const TUint8 aProtocolId
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::Send 0x%x>" ), &aMessage ) );
+    // TODO :  assert to check always called in p2p extension thread context
+    // Inside link array limits, if not programmer error.
+    ASSERT_RESET_ALWAYS( aProtocolId < EP2PAmountOfProtocols, ( EP2PRouterWrongParam7 | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    MP2PRouterLinkIf* link = iLinksArray[ aProtocolId ];
+    ASSERT_RESET_ALWAYS( link, ( EP2PRouterWrongParam8 | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    TInt sendResult( KErrNone );
+    if( link->TrxPresent() )
+        {
+        link->Send( aMessage );
+        }
+    else
+        {
+        TRACE_ASSERT_ALWAYS;
+        // Discard send block if connection lost
+        MemApi::DeallocBlock( aMessage );
+        sendResult = KErrNotReady;
+        }
+    C_TRACE( ( _T( "DP2PRouter::Send 0x%x %d<" ), &aMessage, sendResult ) );
+    return sendResult;
+
+    }
+// From MP2PChRouterIf end
+
+// privates start
+void DP2PRouter::Init(
+        // None
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::Init>" ) ) );
+    iLinksArray = new MP2PRouterLinkIf*[ EP2PAmountOfProtocols ];
+    ASSERT_RESET_ALWAYS( iLinksArray, ( EP2PRouterOverTheLimits | EDP2PRouterTraceId << KClassIdentifierShift ) );
+    // Initialize links
+    for( TInt i( 0 ); i < EP2PAmountOfProtocols; i++ )
+        {
+        iLinksArray[ i ] = NULL;
+        C_TRACE( ( _T( "DP2PRouter::DP2PRouter %d" ), i ) );
+        }
+    // Initialize channels
+    for( TInt i( 0 ); i < EP2PAmountOfProtocols; ++i )
+        {
+        iShChannelTable[ i ].iChannel = NULL;
+        iShChannelTable[ i ].iWaitingChannel = NULL;
+        }
+    // TODO:do more clever way to create links.
+    // Configuration of links.
+    iLinksArray[ EP2PRpc ] = MP2PRouterLinkIf::CreateLinkF( this, EP2PRpc, ETrxTest );
+    iLinksArray[ EP2PTest ] = MP2PRouterLinkIf::CreateLinkF( this, EP2PTest, ETrxTest );
+    iLinksArray[ EP2PTest2 ] = MP2PRouterLinkIf::CreateLinkF( this, EP2PTest2, ETrxTest );
+    iTrxPrecentDfc = new TDfc( TrxPrecentDfc, this, iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDfcPriority );
+    iTrxNotPrecentDfc = new TDfc( TrxNotPrecentDfc, this, iP2PDfcQueList[ MP2PChRouterIf::EP2PDfcThread ], KDfcPriority );
+    iShChannelTableFastMutex = new NFastMutex();
+    ASSERT_RESET_ALWAYS( ( iTrxNotPrecentDfc && iTrxPrecentDfc && iShChannelTableFastMutex ), EP2PRouterMemAllocFailure4 );
+    iSelfPtr = this;
+    C_TRACE( ( _T( "DP2PRouter::Init<" ) ) );
+
+    }
+
+void DP2PRouter::InitDfc(
+        TAny* aPtr
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::InitDfc>" ) ) );
+    DP2PRouter* self = reinterpret_cast<DP2PRouter*>( aPtr );
+    self->Init();
+    C_TRACE( ( _T( "DP2PRouter::InitDfc<" ) ) );
+
+    }
+
+void DP2PRouter::TrxPrecentDfc(
+        TAny* aPtr
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc>" ) ) );
+    DP2PRouter& self = *reinterpret_cast<DP2PRouter*>( aPtr );
+    // Notify all the protocols channel objects of the change of the presence.
+    for( TUint8 i( 0 ); i < EP2PAmountOfProtocols; i++ )
+        {
+        TUint8 protocolId( i );
+        C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc Trx present id=0x%x" ), protocolId ) );
+        NKern::FMWait( self.iShChannelTableFastMutex );
+        MP2PRouterChIf* waitingChannel = self.iShChannelTable[ protocolId ].iWaitingChannel;
+        if( waitingChannel )
+            {
+            self.iShChannelTable[ protocolId ].iChannel = waitingChannel;
+            NKern::FMSignal( self.iShChannelTableFastMutex );
+            C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc channel open waiting %d>" ), protocolId ) );
+            waitingChannel->EnqueChannelRequestCompleteDfc( EP2PAsyncOpen, KErrNone );
+            }
+        else
+            {
+            // No need to inform presence, when connection is lost it is closed too and must be opened again.
+            NKern::FMSignal( self.iShChannelTableFastMutex );
+            C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc nothing waiting %d>" ), protocolId ) );
+            }
+        }
+    C_TRACE( ( _T( "DP2PRouter::TrxPrecentDfc<" )) );
+
+    }
+
+void DP2PRouter::TrxNotPrecentDfc(
+        TAny* aPtr
+        )
+    {
+
+    C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc>" ) ) );
+    DP2PRouter& self = *reinterpret_cast<DP2PRouter*>( aPtr );
+    // Notify all the protocols channel objects of the change of the presence.
+    for( TUint8 i( 0 ); i < EP2PAmountOfProtocols; i++ )
+        {
+        TUint8 protocolId( i );
+        C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc Trx lost id=0x%x" ), protocolId ) );
+        // Notifying channel that connection is lost and discard any received messages.
+        NKern::FMWait( self.iShChannelTableFastMutex );
+        MP2PRouterChIf* channel = self.iShChannelTable[ protocolId ].iChannel;
+        if( channel )
+            {
+            NKern::FMSignal( self.iShChannelTableFastMutex );
+            C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc Trx lost channel found for id=0x%x" ), protocolId ) );
+            channel->ConnectionLost();
+            }
+        else
+            {
+            NKern::FMSignal( self.iShChannelTableFastMutex );
+            C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc Trx lost no channel found for id=0x%x" ), protocolId ) );
+            }
+        }
+    C_TRACE( ( _T( "DP2PRouter::TrxNotPrecentDfc<" )) );
+
+    }
+// privates end
+
+DECLARE_STANDARD_EXTENSION()
+    {
+
+    Kern::Printf( "P2Prouter extension>" );
+    // Create a container extension
+    DP2PRouter* extension = new DP2PRouter();
+    TRACE_ASSERT( extension );
+    Kern::Printf( "P2Prouter extension<" );
+    return extension ? KErrNone : KErrNoMemory;
+
+    }
+
+DECLARE_EXTENSION_LDD()
+    {
+
+    Kern::Printf( "P2Prouter ldd>" );
+    DLogicalDevice* device = new DP2PDevice;
+    TRACE_ASSERT( device );
+    Kern::Printf( "P2Prouter ldd 0x%x<", device );
+    return( device );
+
+    }
+