linklayercontrol/networkinterfacemgr/src/MCOMMV2.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 // Comms reader and writer mixin
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file
       
    20 */
       
    21 
       
    22 
       
    23 #include <nifutl.h>
       
    24 #include "NI_STD.H"
       
    25 #include "Ni_Log.h"
       
    26 #include "bcacontrol.h"
       
    27 
       
    28 NONSHARABLE_CLASS(CCommReaderV2) : public CActive
       
    29 /**
       
    30 @internalComponent
       
    31 */
       
    32 	{
       
    33 friend class MCommV2;
       
    34 public:
       
    35 	CCommReaderV2(MCommV2* aComm, TInt aPriority);
       
    36 	virtual ~CCommReaderV2();
       
    37 	virtual void RunL();
       
    38 	virtual void DoCancel();
       
    39 private:
       
    40 	void CompleteNow(TInt aError);
       
    41 private:
       
    42 	MCommV2 *iComm;
       
    43 	};
       
    44 
       
    45 NONSHARABLE_CLASS(CCommWriterV2) : public CActive
       
    46 /**
       
    47 @internalComponent
       
    48 */
       
    49 	{
       
    50 friend class MCommV2;
       
    51 public:
       
    52 	CCommWriterV2(MCommV2* aComm, TInt aPriority);
       
    53 	virtual ~CCommWriterV2();
       
    54 	virtual void RunL();
       
    55 	virtual void DoCancel();
       
    56 private:
       
    57 	void CompleteNow(TInt aError);
       
    58 private:
       
    59 	MCommV2 *iComm;
       
    60 	};
       
    61 
       
    62 #if !defined(__EABI__) && !defined(__X86GCC__)
       
    63 EXPORT_C MCommV2::MCommV2()
       
    64 /**
       
    65 Constructor
       
    66 */
       
    67 	{
       
    68 	}
       
    69 #endif
       
    70 
       
    71 EXPORT_C void MCommV2::CommDelete()
       
    72 	{
       
    73 	LOG( NifmanLog::Printf(_L("MCommV2 %08x:\tCommDelete()"), this); )
       
    74 	delete iCommReader;
       
    75 	iCommReader = NULL;
       
    76 	delete iCommWriter;
       
    77 	iCommWriter = NULL;
       
    78 	delete iBcaControl;
       
    79 	iBcaControl = NULL;
       
    80 	}
       
    81 
       
    82 	
       
    83 EXPORT_C TInt MCommV2::CommOpen(const TDesC& aChannelId)
       
    84 	{
       
    85 	iChannelId = aChannelId;
       
    86 	LOG( NifmanLog::Printf(_L("MCommV2 %08x:\tCommOpen('%S')"), this, &aChannelId); )
       
    87 	TRAPD(err, iBcaControl->StartLoadL(););
       
    88 	LOG(
       
    89 		if (err != KErrNone)
       
    90 			{
       
    91 			NifmanLog::Printf(_L("MCommV2 %08x:\tCommOpen() returned error %d"), this, err);
       
    92 			}
       
    93 	)
       
    94 	return err;
       
    95 	}
       
    96 
       
    97 EXPORT_C void MCommV2::CommClose()
       
    98 	{
       
    99 	LOG( NifmanLog::Printf(_L("MCommV2 %08x:\tCommClose()"), this); )
       
   100 	iCommReader->Cancel();
       
   101 	iCommWriter->Cancel();
       
   102 	iBcaControl->Shutdown(KErrNone);
       
   103 	iChannelId.Zero();
       
   104 	}
       
   105 
       
   106 EXPORT_C void MCommV2::CommConstructL(TInt aReadPriority, TInt aWritePriority)
       
   107 	{
       
   108 	iCommReader = new (ELeave) CCommReaderV2(this, aReadPriority);
       
   109 	iCommWriter = new (ELeave) CCommWriterV2(this, aWritePriority);
       
   110 	iBcaControl = new (ELeave) CScriptBcaControl (this);
       
   111 	}
       
   112 
       
   113 EXPORT_C void MCommV2::CommWrite(const TDesC8& aDes)
       
   114 	{
       
   115 	__ASSERT_ALWAYS(iCommWriter!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   116 	__ASSERT_ALWAYS(iBca!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   117 	iBca->Write(iCommWriter->iStatus, aDes);
       
   118 	iCommWriter->SetActive();
       
   119 	}
       
   120 
       
   121 EXPORT_C void MCommV2::CommWriteReady()
       
   122 	{
       
   123 	__ASSERT_ALWAYS(iCommWriter!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   124 	__ASSERT_ALWAYS(iBca!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   125 	iBca->Write(iCommWriter->iStatus, TPtrC8(NULL, 0));
       
   126 	iCommWriter->SetActive();
       
   127 	}
       
   128 
       
   129 EXPORT_C TBool MCommV2::CommIsWriting() const
       
   130 	{
       
   131 
       
   132 	return iCommWriter->IsActive();
       
   133 	}
       
   134 
       
   135 EXPORT_C void MCommV2::CommRead(TDes8& aDes)
       
   136 	{
       
   137 	__ASSERT_ALWAYS(iCommReader!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   138 	__ASSERT_ALWAYS(iBca!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   139 	iBca->Read(iCommReader->iStatus, aDes);
       
   140 	iCommReader->SetActive();
       
   141 	}
       
   142 
       
   143 EXPORT_C void MCommV2::CommReadOneOrMore(TDes8& aDes)
       
   144 	{
       
   145 	__ASSERT_ALWAYS(iCommReader!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   146 	__ASSERT_ALWAYS(iBca!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   147 	iBca->Read(iCommReader->iStatus, aDes);
       
   148 	iCommReader->SetActive();
       
   149 	}
       
   150 
       
   151 EXPORT_C void MCommV2::CommReadReady()
       
   152 	{
       
   153 	__ASSERT_ALWAYS(iCommReader!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   154 	iCommReader->SetActive();
       
   155 	}
       
   156 
       
   157 EXPORT_C TBool MCommV2::CommIsReading() const
       
   158 	{
       
   159 
       
   160 	return iCommReader->IsActive();
       
   161 	}
       
   162 
       
   163 EXPORT_C void MCommV2::CommCancel()
       
   164 	{
       
   165 	if (iCommWriter)
       
   166 		iCommWriter->Cancel();
       
   167 	if (iCommReader)
       
   168 		iCommReader->Cancel();
       
   169 	if (iBcaControl)
       
   170 		{
       
   171 		iBcaControl->Cancel();
       
   172 		}
       
   173 	}
       
   174 
       
   175 EXPORT_C void MCommV2::CommWriteCancel()
       
   176 	{
       
   177 	if (iCommWriter)
       
   178 		iCommWriter->Cancel();
       
   179 	}
       
   180 
       
   181 EXPORT_C void MCommV2::CommReadCancel()
       
   182 	{
       
   183 	if (iCommReader)
       
   184 		iCommReader->Cancel();
       
   185 	}
       
   186 
       
   187 EXPORT_C const TDesC& MCommV2::BcaName() 
       
   188 	{ 
       
   189 	return BcaStack();
       
   190 	}
       
   191 
       
   192 EXPORT_C void MCommV2::SetBca(BasebandChannelAdaptation::MBca* aBca)
       
   193 	{
       
   194 	iBca = aBca;
       
   195 	}
       
   196 EXPORT_C const TDesC& MCommV2::Port()
       
   197 	{
       
   198 	return iChannelId;
       
   199 	}
       
   200 
       
   201 //
       
   202 
       
   203 CCommWriterV2::CCommWriterV2(MCommV2* aComm, TInt aPriority)
       
   204 	: CActive(aPriority), iComm(aComm)
       
   205 	{
       
   206 	CActiveScheduler::Add(this);
       
   207 	}
       
   208 
       
   209 CCommWriterV2::~CCommWriterV2()
       
   210 	{
       
   211 	Cancel();
       
   212 	}
       
   213 
       
   214 void CCommWriterV2::RunL()
       
   215 	{
       
   216 	iComm->CommWriteCancel();
       
   217 	iComm->CommWriteComplete(iStatus.Int());
       
   218 	}
       
   219 
       
   220 void CCommWriterV2::DoCancel()
       
   221 	{
       
   222 	__ASSERT_ALWAYS(iComm->iBca!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   223 	iComm->iBca->CancelWrite();
       
   224 	}
       
   225 
       
   226 void CCommWriterV2::CompleteNow(TInt aError)
       
   227 	{
       
   228 	TRequestStatus* statusPtr=&iStatus;
       
   229 	User::RequestComplete(statusPtr,aError);
       
   230 	}
       
   231 
       
   232 //
       
   233 
       
   234 CCommReaderV2::CCommReaderV2(MCommV2* aComm, TInt aPriority)
       
   235 	: CActive(aPriority), iComm(aComm)
       
   236 	{
       
   237 	CActiveScheduler::Add(this);
       
   238 	}
       
   239 
       
   240 CCommReaderV2::~CCommReaderV2()
       
   241 	{
       
   242 	Cancel();
       
   243 	}
       
   244 
       
   245 void CCommReaderV2::RunL()
       
   246 	{
       
   247 	iComm->CommReadCancel();
       
   248 	iComm->CommReadComplete(iStatus.Int());
       
   249 	}
       
   250 
       
   251 void CCommReaderV2::DoCancel()
       
   252 	{
       
   253 	__ASSERT_ALWAYS(iComm->iBca!=NULL, NetUtilPanic(ENuPanic_NotConstructed));
       
   254 	iComm->iBca->CancelRead();
       
   255 	}
       
   256 
       
   257 void CCommReaderV2::CompleteNow(TInt aError)
       
   258 	{
       
   259 	TRequestStatus* statusPtr=&iStatus;
       
   260 	User::RequestComplete(statusPtr,aError);
       
   261 	}
       
   262