1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/backend/inc/tsignalmessage.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,188 @@
1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Signal data structure that supports marshalling
1.18 +//
1.19 +//
1.20 +
1.21 +#include <e32base.h>
1.22 +
1.23 +#ifndef TSIGNALMESSAGE_H
1.24 +#define TSIGNALMESSAGE_H
1.25 +
1.26 +const TInt KSigMsgLength = 32;
1.27 +const TUint8 KSigMsgVersion = 1;
1.28 +
1.29 +/*
1.30 +@internalComponent
1.31 +*/
1.32 +class TSignalMessage
1.33 + {
1.34 +public:
1.35 + TUint8 mType;
1.36 + union
1.37 + {
1.38 + struct
1.39 + {
1.40 + TUint8 mSignal;
1.41 + TUint32 mValue;
1.42 + } mSigVal;
1.43 + struct
1.44 + {
1.45 + TUint8 mSignal;
1.46 + TInt32 mTimerId;
1.47 + } mRtSignal;
1.48 + TUint8 mSignal;
1.49 + TUint32 mTimeOut;
1.50 + TUint32 mData;
1.51 + TUint64 mPid;
1.52 + };
1.53 +
1.54 + enum {
1.55 + ESignal = 0,
1.56 + ESignalValuePair,
1.57 + EAlarmRegistration,
1.58 + EDequeueSignal,
1.59 + EWaitOnChild,
1.60 + ERtTimerSignal,
1.61 + } TSignalMessageType;
1.62 +
1.63 + virtual ~TSignalMessage() {}
1.64 +
1.65 + static TBool SignalMatchBySigNum(const TSignalMessage& aMsg1, const TSignalMessage& aMsg2)
1.66 + {
1.67 + if(aMsg1.mType != ESignal || aMsg2.mType != ESignal)
1.68 + return EFalse;
1.69 +
1.70 + if (aMsg1.mSignal == aMsg2.mSignal)
1.71 + {
1.72 + return ETrue;
1.73 + }
1.74 + return EFalse;
1.75 + }
1.76 +
1.77 + static TBool SigValMatchBySigNum(const TSignalMessage& aMsg1, const TSignalMessage& aMsg2)
1.78 + {
1.79 + if(aMsg1.mType != ESignalValuePair || aMsg2.mType != ESignalValuePair)
1.80 + return EFalse;
1.81 +
1.82 + if (aMsg1.mSigVal.mSignal == aMsg2.mSigVal.mSignal)
1.83 + {
1.84 + return ETrue;
1.85 + }
1.86 + return EFalse;
1.87 + }
1.88 +
1.89 + inline TInt Marshall(TDes8& aBuffer)
1.90 + {
1.91 + TUint8 lBufPtr[KSigMsgLength] = {0};
1.92 +
1.93 + if(aBuffer.MaxSize() != KSigMsgLength)
1.94 + return KErrArgument;
1.95 +
1.96 + lBufPtr[0] = KSigMsgVersion;
1.97 + lBufPtr[1] = mType;
1.98 +
1.99 + switch(mType)
1.100 + {
1.101 + case ESignal:
1.102 + lBufPtr[2] = mSignal;
1.103 + break;
1.104 + case ESignalValuePair:
1.105 + lBufPtr[2] = mSigVal.mSignal;
1.106 +
1.107 + lBufPtr[3] = (TUint8)(mSigVal.mValue & 0x000000FF);
1.108 + lBufPtr[4] = (TUint8)((mSigVal.mValue & 0x0000FF00) >> 8);
1.109 + lBufPtr[5] = (TUint8)((mSigVal.mValue & 0x00FF0000) >> 16);
1.110 + lBufPtr[6] = (TUint8)((mSigVal.mValue & 0xFF000000) >> 24);
1.111 + break;
1.112 + case EAlarmRegistration:
1.113 + lBufPtr[2] = (TUint8)(mTimeOut & 0x000000FF);
1.114 + lBufPtr[3] = (TUint8)((mTimeOut & 0x0000FF00) >> 8);
1.115 + lBufPtr[4] = (TUint8)((mTimeOut & 0x00FF0000) >> 16);
1.116 + lBufPtr[5] = (TUint8)((mTimeOut & 0xFF000000) >> 24);
1.117 + break;
1.118 + case EDequeueSignal:
1.119 + lBufPtr[2] = mSignal;
1.120 + break;
1.121 + case EWaitOnChild:
1.122 + memcpy(&lBufPtr[2],&mPid,sizeof(mPid));
1.123 + break;
1.124 + case ERtTimerSignal:
1.125 + Mem::Copy(&lBufPtr[2], &mRtSignal.mSignal, sizeof(mRtSignal.mSignal));
1.126 + Mem::Copy(&lBufPtr[2+sizeof(mRtSignal.mSignal)], &mRtSignal.mTimerId, sizeof(mRtSignal.mTimerId));
1.127 + break;
1.128 + default:
1.129 + // do nothing
1.130 + return KErrGeneral;
1.131 + break;
1.132 + }
1.133 + aBuffer.Zero();
1.134 + aBuffer.Append(lBufPtr,KSigMsgLength);
1.135 + return KErrNone;
1.136 + }
1.137 +
1.138 + inline TInt Unmarshall(TDes8& aBuffer)
1.139 + {
1.140 + const TUint8* lBufPtr = aBuffer.Ptr();
1.141 +
1.142 + if(aBuffer.MaxSize() != KSigMsgLength)
1.143 + return KErrArgument;
1.144 +
1.145 + if(lBufPtr[0] != KSigMsgVersion)
1.146 + return KErrGeneral;
1.147 +
1.148 + mType = lBufPtr[1];
1.149 +
1.150 + switch(mType)
1.151 + {
1.152 + case ESignal:
1.153 + mSignal = lBufPtr[2];
1.154 + break;
1.155 + case ESignalValuePair:
1.156 + mSigVal.mSignal = lBufPtr[2];
1.157 + mSigVal.mValue = 0;
1.158 + mSigVal.mValue |= (TUint32)lBufPtr[3];
1.159 + mSigVal.mValue |= (((TUint32)lBufPtr[4]) << 8);
1.160 + mSigVal.mValue |= (((TUint32)lBufPtr[5]) << 16);
1.161 + mSigVal.mValue |= (((TUint32)lBufPtr[6]) << 24);
1.162 + break;
1.163 + case EAlarmRegistration:
1.164 + mTimeOut = 0;
1.165 + mTimeOut |= (TUint32)lBufPtr[2];
1.166 + mTimeOut |= (((TUint32)lBufPtr[3]) << 8);
1.167 + mTimeOut |= (((TUint32)lBufPtr[4]) << 16);
1.168 + mTimeOut |= (((TUint32)lBufPtr[5]) << 24);
1.169 + break;
1.170 + case EDequeueSignal:
1.171 + mSignal = lBufPtr[2];
1.172 + break;
1.173 + case EWaitOnChild:
1.174 + mPid = 0;
1.175 + memcpy(&mPid,&lBufPtr[2],sizeof(mPid));
1.176 + break;
1.177 + case ERtTimerSignal:
1.178 + Mem::Copy(&mRtSignal.mSignal, &lBufPtr[2], sizeof(mRtSignal.mSignal));
1.179 + Mem::Copy(&mRtSignal.mTimerId,&lBufPtr[2+sizeof(mRtSignal.mSignal)], sizeof(mRtSignal.mTimerId));
1.180 + break;
1.181 + default:
1.182 + // do nothing
1.183 + return KErrGeneral;
1.184 + break;
1.185 + }
1.186 +
1.187 + return KErrNone;
1.188 + }
1.189 + };
1.190 +
1.191 +#endif // TSIGNALMESSAGE_H