linklayerprotocols/pppnif/SPPP/PPPMISC.CPP
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     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <f32file.h>
       
    17 #include "PPPBASE.H"
       
    18 
       
    19 //
       
    20 // PPP Link Interface Support
       
    21 //
       
    22 
       
    23 MPppRecvr::MPppRecvr(CPppLcp* aPppLcp, TPppPhase aPhase, TUint aPppId)
       
    24 	{
       
    25 // Implementation moved to MPppRecvr::Init(CPppLcp* aPppLcp, TPppPhase aPhase, TUint aPppId).
       
    26 	Init(aPppLcp, aPhase, aPppId);
       
    27 	}
       
    28 
       
    29 
       
    30 MPppRecvr::MPppRecvr()
       
    31 	{
       
    32 	}
       
    33 
       
    34 void MPppRecvr::Init(CPppLcp* aPppLcp, TPppPhase aPhase, TUint aPppId)
       
    35 	{
       
    36 // Copied here from MPppRecvr::MPppRecvr(CPppLcp* aPppLcp, TPppPhase aPhase, TUint aPppId)
       
    37 
       
    38 	iPppRecvrListLink.iNext = &iPppRecvrListLink;
       
    39 	iPppRecvrListLink.iPrev = &iPppRecvrListLink;
       
    40 	iPppId = aPppId;
       
    41 	iActivePhase = aPhase;
       
    42 	iPppLcp = aPppLcp;
       
    43 	iPppAbortCode = KErrNone;
       
    44 	// We dont auto-register LCP as LCP wont be ready
       
    45 	// to accept the registration at this stage
       
    46 //	if (aPppId!=KPppIdUnknown && aPppId!=KPppIdLcp)
       
    47 //		Register();	
       
    48 	}
       
    49 
       
    50 MPppRecvr::~MPppRecvr()
       
    51 	{
       
    52 	iPppRecvrListLink.Deque();
       
    53 	}
       
    54 
       
    55 EXPORT_C void MPppRecvr::FlowOn()
       
    56 	{
       
    57 	}
       
    58 
       
    59 void MPppRecvr::LowerLayerUp()
       
    60 	{
       
    61 	}
       
    62 
       
    63 void MPppRecvr::LowerLayerDown(TInt)
       
    64 	{
       
    65 	}
       
    66 
       
    67 void MPppRecvr::Deque()
       
    68 	{
       
    69 	iPppRecvrListLink.Deque();
       
    70 	iPppRecvrListLink.iNext = &iPppRecvrListLink;
       
    71 	iPppRecvrListLink.iPrev = &iPppRecvrListLink;
       
    72 	}
       
    73 
       
    74 void MPppRecvr::Register(TUint aPppId)
       
    75 	{
       
    76 	if (aPppId!=KPppIdAsIs)
       
    77 		SetId(aPppId);
       
    78 	iPppLcp->RegisterRecvr(this);
       
    79 	}
       
    80 
       
    81 void MPppRecvr::Reregister(TUint aPppId, TPppPhase aPhase)
       
    82 	{
       
    83 	if (aPppId!=KPppIdAsIs)
       
    84 		SetId(aPppId);
       
    85 	SetPhase(aPhase);
       
    86 	iPppLcp->ReregisterRecvr(this);
       
    87 	}
       
    88 
       
    89 void MPppRecvr::Deregister()
       
    90 	{
       
    91 	iPppLcp->DeregisterRecvr(this);
       
    92 	}
       
    93 
       
    94 
       
    95 typedef CNifFactory* (*TPppFactoryNewL)();
       
    96 CNifFactory* MPppRecvr::FindPppFactoryL(const TDesC& aFilename, TUid aUid2, CObjectCon& aCon)
       
    97 //
       
    98 // Basically this is all the stuff required to load a DLL appart from the
       
    99 // Factory->CreatMe call
       
   100 //
       
   101 	{
       
   102 	CNifFactory* Factory=NULL;
       
   103 	TParse parse;
       
   104 	User::LeaveIfError(parse.Set(aFilename, 0, 0));
       
   105 
       
   106 	TName dummy1;
       
   107 	TInt find=0;
       
   108 
       
   109 	if(aCon.FindByName(find, parse.Name(), dummy1)!=KErrNone)
       
   110 		{
       
   111 
       
   112 	    // Else load the module
       
   113 		TAutoClose<RLibrary> lib;
       
   114 		User::LeaveIfError(lib.iObj.Load(aFilename));
       
   115 		lib.PushL();
       
   116 
       
   117 		// The Uid check
       
   118 		if(lib.iObj.Type()[1]!=aUid2)
       
   119 			User::Leave(KErrBadLibraryEntryPoint);
       
   120 
       
   121 		TPppFactoryNewL libEntry=(TPppFactoryNewL)lib.iObj.Lookup(1);
       
   122 		if (libEntry==NULL)
       
   123 			User::Leave(KErrNoMemory);
       
   124 
       
   125 		Factory =(*libEntry)(); // Opens CObject
       
   126 		if (!Factory)
       
   127 			User::Leave(KErrBadDriver);
       
   128 
       
   129 		CleanupStack::PushL(TCleanupItem(CNifFactory::Cleanup, Factory));
       
   130 		Factory->InitL(lib.iObj, aCon); // Transfers the library object if successful
       
   131 
       
   132 		// Can pop the library now - auto close will have no effect because handle is null
       
   133 		CleanupStack::Pop();
       
   134 		lib.Pop();
       
   135 
       
   136 		}
       
   137 	else
       
   138 		{
       
   139 		Factory=(CNifFactory*)aCon.At(find);
       
   140 		Factory->Open();
       
   141 		}
       
   142 		return Factory;
       
   143 	}
       
   144