connectivitylayer/isce/isaaccessextension_dll/inc/router.h
changeset 0 63b37f68c1ce
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     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 * 
       
    14 * Description: 
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef INC_DROUTER_H
       
    21 #define INC_DROUTER_H
       
    22 
       
    23 #include <e32def.h>                 // For TUint16
       
    24 #include <e32cmn.h>                 // For TDesC8
       
    25 #include "internalapi.h"            // For MIAD2ChannelApi
       
    26 //ISCE #include "mist2iadapi.h"             // For TIADConnectionStatus, MIST2IADApi
       
    27 #include "iadinternaldefinitions.h" // For TIADConnectionStatus
       
    28 #include "iadnokiadefinitions.h"    // For EIADSizeOfChannels
       
    29 //ISCE
       
    30 #include "isirouterlinkifs.h"       // For MLinkRouterIf
       
    31 //ISCE
       
    32 #ifndef NCP_COMMON_BRIDGE_FAMILY
       
    33 class DPipeHandler;
       
    34 #endif
       
    35 //ISCE class MIAD2ISTApi;
       
    36 class DRouter;
       
    37 class DIndicationHandler;
       
    38 class MIAD2ChannelApi;
       
    39 class DQueue;
       
    40 
       
    41 static DObject* iThreadPtr = NULL;
       
    42 const TUint8 KIADEventSubscriptionObjId( 0xfc );
       
    43 
       
    44 // TODO: own API for indicationhandler (and pipehandler allocate, deallocate, sendmessage ?)
       
    45 
       
    46 // - stores UL (APE destinated) message to receive queue
       
    47 // 
       
    48 // add DL (CMT destinated) message to IST's appropriate send queue IS THIS
       
    49 // NEEDED OR FROM HANDLERS?
       
    50 // 
       
    51 // route UL message from receive queue to appropriate handler
       
    52 // 
       
    53 // receive DL message from LDD
       
    54 // 
       
    55 // route DL message to appropriate handler
       
    56 NONSHARABLE_CLASS( DRouter ) : public MChannel2IADApi,
       
    57                             // ISCE
       
    58                             public MISILinkRouterIf
       
    59                             // ISCE
       
    60 
       
    61     {
       
    62 
       
    63     public:
       
    64 
       
    65         DRouter();
       
    66 
       
    67         ~DRouter();
       
    68 
       
    69         // From MChannel2IADApi start
       
    70         IMPORT_C TDes8& AllocateBlock( const TUint16 aSize );
       
    71 
       
    72         // Increases length of the returned descriptor to aSize + pipe header (11).
       
    73         IMPORT_C TDes8& AllocateDataBlock( const TUint16 aSize );
       
    74 
       
    75         IMPORT_C void Close( const TUint16 aChannel );
       
    76 
       
    77         IMPORT_C void DeAllocateBlock( TDes8& aBlock );
       
    78 
       
    79         IMPORT_C TInt GetConnectionStatus();
       
    80   
       
    81         IMPORT_C TInt GetFlowControlStatus();
       
    82 
       
    83         IMPORT_C TInt GetMaxDataSize();
       
    84 
       
    85         IMPORT_C void Open( const TUint16 aChannel, const TUint16 aRequest, MIAD2ChannelApi* aCallback );
       
    86 
       
    87         IMPORT_C void Open( const TUint16 aChannel, const TUint16 aRequest, const TDesC8& aOpenInfo, MIAD2ChannelApi* aCallback );
       
    88 
       
    89         IMPORT_C TInt OrderIndication( TDes8& anOrder, const TUint16 aCh, const TBool a32Bit = EFalse );
       
    90 
       
    91         IMPORT_C TInt SendMessage( TDes8& aMessage, const TUint16 aCh );
       
    92 
       
    93         IMPORT_C TInt SendIndication( TDes8& aMessage, const TUint16 aCh );
       
    94 
       
    95         // From MChannel2IADApi end
       
    96 
       
    97         // For Router and it's handler DPipeHandler and DIndicationHandler
       
    98         TInt SendMsg( TDes8& aMsg );
       
    99 
       
   100         // For PipeHandler
       
   101         MIAD2ChannelApi* GetChannel( const TUint16 aChannel );
       
   102         // For PipeHandler
       
   103 // ISCE
       
   104 // TODO: DEF files!!!
       
   105         // From MISILinkRouterIf start
       
   106         /*
       
   107         * See comments from MISILinkRouterIf.
       
   108         */
       
   109         void NotifyTrxPresenceEnqueDfc( TBool aPresent );
       
   110 
       
   111         /*
       
   112         * See comments from MISILinkRouterIf.
       
   113         */
       
   114         void Receive( TDes8& aMsg );
       
   115         // From MISILinkRouterIf end
       
   116         IMPORT_C void DummyDoNothing();
       
   117 
       
   118         IMPORT_C void DummyDoNothing2();
       
   119 
       
   120 // ISCE
       
   121 
       
   122         // For internal receiving.
       
   123         void DRouter::MessageReceived( TDes8& aMsg );
       
   124 
       
   125 #if (NCP_COMMON_SOS_VERSION_SUPPORT >= SOS_VERSION_95)
       
   126         EXPORT_C TInt Loan( const TUint16 aChannel, const TUint16 aRequest,
       
   127                             MIAD2ChannelApi* aCallback );
       
   128         EXPORT_C TInt ReturnLoan( const TUint16 aChannel, const TUint16 aRequest,
       
   129                             MIAD2ChannelApi* aCallback );
       
   130 #endif
       
   131 
       
   132     private:
       
   133 
       
   134         enum TRoutingRule
       
   135             {
       
   136             EIsiMsg = 1,
       
   137             EPipeMsg,
       
   138             EMediaMsg,
       
   139             EIndicationMsg,
       
   140             EControlMsg,
       
   141             EPnNameAddRespMsg,
       
   142             ENotKnownMsg,
       
   143             };
       
   144 
       
   145         enum TWaitingType
       
   146             {
       
   147             ENormalOpen = 1,
       
   148             EDrmOpen,
       
   149             ENameAddOpen
       
   150 #if (NCP_COMMON_SOS_VERSION_SUPPORT >= SOS_VERSION_95)
       
   151             ,ELoan
       
   152 #endif
       
   153             };
       
   154 
       
   155         void HandleIsiMessage( TDes8& aMsg );
       
   156 
       
   157         void HandlePipeMessage( TDes8& aMsg );
       
   158 
       
   159         void HandleMediaMessage( TDes8& aMsg );
       
   160 
       
   161         void HandleControlMessage( TDes8& aMsg );
       
   162 
       
   163         void HandlePnsNameAddResp( TDes8& aMsg );
       
   164 
       
   165         void SendCommIsaEntityNotReachableResp( const TDesC8& aMsg );
       
   166 
       
   167         static void CheckDfc();
       
   168 
       
   169         TInt ValiDateIsiMessage( TDes8& aMsg );
       
   170 
       
   171     public:
       
   172         static void CheckRouting( DRouter& aTmp, TDes8& aMsg );
       
   173 
       
   174     private:
       
   175         static void CommonRxDfc( TAny* aPtr );
       
   176 
       
   177         static void InitCmtDfc( TAny* aPtr );
       
   178 #ifdef NCP_COMMON_BRIDGE_FAMILY
       
   179         void InitConnectionOk();
       
   180 #endif
       
   181         void InitCmtConnection();
       
   182 
       
   183         void SendDrmReq( const TUint16 aChannelId );
       
   184 
       
   185         void SendPnsNameAddReq( const TUint16 aChannel, const TDesC8& aOpenInfo );
       
   186 
       
   187         static void NotifyObjLayerConnStatDfc( TAny* aPtr );
       
   188 
       
   189         void NotifyObjLayerConnStat( const TIADConnectionStatus aStatus );
       
   190 
       
   191         void SetSenderInfo( TDes8& aMessage, const TUint16 aCh );
       
   192 
       
   193       // Member data
       
   194     private:
       
   195         
       
   196         void CheckSameThreadContext();
       
   197         
       
   198         // TODO
       
   199         // Needed due to opening that are waiting a response from cmt side.
       
   200         // Use iWaitingChannel to store a channel pointer then and when resp
       
   201         // received from cmt set iChannel = iWaitingChannel and complete request
       
   202         // Used also when initializing physical and datalink layers.
       
   203         class TIADChannel
       
   204             {
       
   205             public:
       
   206                 
       
   207                 MIAD2ChannelApi*   iChannel;
       
   208                 MIAD2ChannelApi*   iWaitingChannel;
       
   209                 TWaitingType       iType;
       
   210             };
       
   211 
       
   212 // ISCE
       
   213         TUint8 MapMediaToLinkId( const TUint8 aMedia );
       
   214 
       
   215         enum TISIMedias
       
   216             {
       
   217 #ifndef NCP_COMMON_BRIDGE_FAMILY
       
   218             EISIMediaSOS            = 0x00,
       
   219 #else
       
   220             EISIMediaHostSSI        = 0x00,
       
   221 #endif
       
   222             EISIAmountOfMedias
       
   223             };
       
   224 // ISCE
       
   225 
       
   226         // owned
       
   227         // APE <-> CMT connection status ok/nok.
       
   228         TIADConnectionStatus                            iConnectionStatus;
       
   229 #ifndef NCP_COMMON_BRIDGE_FAMILY
       
   230         DPipeHandler*                                   iPipeHandler;
       
   231 #endif
       
   232         DIndicationHandler*                             iIndicationHandler;
       
   233         DQueue*                                         iCommonRxQueue;
       
   234         TIADChannel                                     iChannelTable[ EIADSizeOfChannels ];
       
   235         //static TDfc*                                    iConnStatusBcDfc;
       
   236         TDfc*                                           iCommonRxDfc;
       
   237         TDfc*                                           iInitCmtDfc;
       
   238         TDfc*                                           iConnStatDfc;
       
   239         // Maximum size of isi/data messages to be send.
       
   240         TUint16                                         iMaxFrameSize;
       
   241         // not owned, just using     
       
   242         // When registered !NULL when unregistered NULL. API towards IST.
       
   243         // ISCE        RArray<TUint>                                   iArray;
       
   244         TBool                                           iBootDone;
       
   245 
       
   246         // ISCE
       
   247         MISIRouterLinkIf**                              iLinksArray;
       
   248         // ISCE
       
   249 
       
   250 
       
   251     };
       
   252 
       
   253 
       
   254 
       
   255 #endif /* INC_DROUTER_H */