--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetooth/gavdp/test/tavsrcOperations.cpp Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,260 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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 "tavsrcOperations.h"
+
+// The opcodes used internally to CTavsrcOperations
+static const TInt KTavsrcOpCodeConnect = 0x00000001;
+static const TInt KTavsrcOpCodeCancel = 0x00000002;
+static const TInt KTavsrcOpCodeDiscoverSEPs = 0x00000004;
+static const TInt KTavsrcOpCodeCreateBearers = 0x00000008;
+static const TInt KTavsrcOpCodeCloseBearers = 0x00000010;
+static const TInt KTavsrcOpCodeContentProtection = 0x00000020;
+static const TInt KTavsrcOpCodeGetCapabilities = 0x00000040;
+static const TInt KTavsrcOpCodeStartStreams = 0x00000080;
+static const TInt KTavsrcOpCodeSuspendStreams = 0x00000100;
+static const TInt KTavsrcOpCodeEchoStorm = 0x00000200;
+static const TInt KTavsrcOpCodeAbort = 0x00000400;
+static const TInt KTavsrcOpCodeStream = 0x00000800;
+static const TInt KTavsrcOpCodeStreamFaster = 0x00001000;
+static const TInt KTavsrcOpCodeStreamSlower = 0x00002000;
+static const TInt KTavsrcOpCodeAutoStream = 0x00004000;
+static const TInt KTavsrcOpCodeStopStream = 0x00008000;
+static const TInt KTavsrcOpCodeRegisterSEP = 0x00010000;
+static const TInt KTavsrcOpCodeRegisterMultipleSEPs = 0x00020000;
+static const TInt KTavsrcOpCodeStartSrc = 0x00040000;
+static const TInt KTavsrcOpCodeStopSrc = 0x00080000;
+static const TInt KTavsrcOpCodeDisconnectSrc = 0x00100000;
+static const TInt KTavsrcOpCodeConfigureSEP = 0x00200000;
+static const TInt KTavsrcOpCodeReconfigureSEP = 0x00400000;
+static const TInt KTavsrcOpCodePacketDropIoctl = 0x00800000;
+static const TInt KTavsrcOpCodeVolumeUp = 0x01000000;
+static const TInt KTavsrcOpCodeVolumeDown = 0x02000000;
+static const TInt KTavsrcOpCodeBackwards = 0x04000000;
+static const TInt KTavsrcOpCodeForwards = 0x08000000;
+static const TInt KTavsrcOpCodePlay = 0x10000000;
+static const TInt KTavsrcOpCodeStop = 0x20000000;
+static const TInt KTavsrcOpCodeExit = 0x40000000;
+static const TInt KTavsrcOpCodeToggleSafeMode = 0x80000000;
+
+// all the AVRCP opcodes
+static const TInt KTavsrcOpCodeAvrcp = KTavsrcOpCodeVolumeUp | KTavsrcOpCodeVolumeDown | KTavsrcOpCodeBackwards | KTavsrcOpCodeForwards | KTavsrcOpCodePlay | KTavsrcOpCodeStop;
+
+// all always available opcodes
+static const TInt KTavsrcOpCodeAlwaysAvailable = KTavsrcOpCodeAvrcp | KTavsrcOpCodeToggleSafeMode | KTavsrcOpCodeCancel | KTavsrcOpCodeExit | KTavsrcOpCodeStopSrc | KTavsrcOpCodeRegisterSEP | KTavsrcOpCodeRegisterMultipleSEPs;
+
+// all possible opcodes
+static const TInt KTavsrcOpCodeAll = 0xffffffff;
+
+// The next opcodes for every command, 0 means to not change state
+static const TInt KTavsrcOpConnectNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeDiscoverSEPs | KTavsrcOpCodeAutoStream;
+static const TInt KTavsrcOpCancelNextOperations = 0;
+static const TInt KTavsrcOpDiscoverSEPsNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeGetCapabilities;
+static const TInt KTavsrcOpCreateBearersNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeStartStreams | KTavsrcOpCodeCloseBearers;
+static const TInt KTavsrcOpCloseBearersNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeCreateBearers;
+static const TInt KTavsrcOpContentProtectionNextOperations = 0;
+static const TInt KTavsrcOpGetCapabilitiesNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeConfigureSEP;
+static const TInt KTavsrcOpStartStreamsNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeStream | KTavsrcOpCodeCloseBearers | KTavsrcOpCodeSuspendStreams | KTavsrcOpCodeAbort;
+static const TInt KTavsrcOpSuspendStreamsNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeStartStreams | KTavsrcOpCodeAbort | KTavsrcOpCodeReconfigureSEP;
+static const TInt KTavsrcOpEchoStormNextOperations = 0;
+static const TInt KTavsrcOpAbortNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeStartStreams | KTavsrcOpCodeCloseBearers;
+static const TInt KTavsrcOpStreamNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeStopStream | KTavsrcOpCodeCloseBearers | KTavsrcOpCodeSuspendStreams | KTavsrcOpCodeAbort | KTavsrcOpCodeStreamFaster | KTavsrcOpCodeStreamSlower;
+static const TInt KTavsrcOpStreamFasterNextOperations = 0;
+static const TInt KTavsrcOpStreamSlowerNextOperations = 0;
+static const TInt KTavsrcOpAutoStreamNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeStopStream | KTavsrcOpCodeCloseBearers | KTavsrcOpCodeSuspendStreams;
+static const TInt KTavsrcOpStopStreamNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeCloseBearers | KTavsrcOpCodeStream | KTavsrcOpCodeSuspendStreams | KTavsrcOpCodeAbort;
+static const TInt KTavsrcOpRegisterSEPNextOperations = 0;
+static const TInt KTavsrcOpRegisterMultipleSEPsNextOperations = 0;
+static const TInt KTavsrcOpStartSrcNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeConnect;
+static const TInt KTavsrcOpStopSrcNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeStartSrc;
+static const TInt KTavsrcOpDisconnectSrcNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeConnect;
+static const TInt KTavsrcOpConfigureSEPNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeCreateBearers;
+static const TInt KTavsrcOpReconfigureSEPNextOperations = KTavsrcOpCodeAlwaysAvailable | KTavsrcOpCodeDisconnectSrc | KTavsrcOpCodeStartStreams | KTavsrcOpCodeAbort | KTavsrcOpCodeReconfigureSEP;
+static const TInt KTavsrcOpPacketDropIoctlNextOperations = 0;
+static const TInt KTavsrcOpVolumeUpNextOperations = 0;
+static const TInt KTavsrcOpVolumeDownNextOperations = 0;
+static const TInt KTavsrcOpBackwardsNextOperations = 0;
+static const TInt KTavsrcOpForwardsNextOperations = 0;
+static const TInt KTavsrcOpPlayNextOperations = 0;
+static const TInt KTavsrcOpStopNextOperations = 0;
+static const TInt KTavsrcOpExitNextOperations = 0;
+static const TInt KTavsrcOpToggleSafeModeNextOperations = 0;
+
+// TTavsrcOperation
+TTavsrcOperation::TTavsrcOperation(TInt aOpCode, TChar aOperation, TInt aNextOpCodes)
+ : iOpCode(aOpCode), iOperation(aOperation), iNextOpCodes(aNextOpCodes)
+ {
+ }
+
+/*static*/ TBool TTavsrcOperation::OperationMatchesAndAllowed(const TTavsrcOperation& aOpA, const TTavsrcOperation& aOpB)
+ {
+ return ((aOpA.iOperation == aOpB.iOperation) && (aOpA.iNextOpCodes & aOpB.iOpCode));
+ }
+
+TInt TTavsrcOperation::GetNextOpCodes() const
+ {
+ return iNextOpCodes;
+ }
+
+// CTavsrcOperations
+CTavsrcOperations* CTavsrcOperations::NewL()
+ {
+ CTavsrcOperations* operations = new (ELeave) CTavsrcOperations;
+ CleanupStack::PushL(operations);
+ operations->ConstructL();
+ CleanupStack::Pop(operations);
+ return operations;
+ }
+
+void CTavsrcOperations::ConstructL()
+ {
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeConnect, KTavsrcOpConnect, KTavsrcOpConnectNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeCancel, KTavsrcOpCancel, KTavsrcOpCancelNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeDiscoverSEPs, KTavsrcOpDiscoverSEPs, KTavsrcOpDiscoverSEPsNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeCreateBearers, KTavsrcOpCreateBearers, KTavsrcOpCreateBearersNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeCloseBearers, KTavsrcOpCloseBearers, KTavsrcOpCloseBearersNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeContentProtection, KTavsrcOpContentProtection, KTavsrcOpContentProtectionNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeGetCapabilities, KTavsrcOpGetCapabilities, KTavsrcOpGetCapabilitiesNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStartStreams, KTavsrcOpStartStreams, KTavsrcOpStartStreamsNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeSuspendStreams, KTavsrcOpSuspendStreams, KTavsrcOpSuspendStreamsNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeEchoStorm, KTavsrcOpEchoStorm, KTavsrcOpEchoStormNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeAbort, KTavsrcOpAbort, KTavsrcOpAbortNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStream, KTavsrcOpStream, KTavsrcOpStreamNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStreamFaster, KTavsrcOpStreamFaster, KTavsrcOpStreamFasterNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStreamSlower, KTavsrcOpStreamSlower, KTavsrcOpStreamSlowerNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeAutoStream, KTavsrcOpAutoStream, KTavsrcOpAutoStreamNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStopStream, KTavsrcOpStopStream, KTavsrcOpStopStreamNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeRegisterSEP, KTavsrcOpRegisterSEP, KTavsrcOpRegisterSEPNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeRegisterMultipleSEPs, KTavsrcOpRegisterMultipleSEPs, KTavsrcOpRegisterMultipleSEPsNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStartSrc, KTavsrcOpStartSrc, KTavsrcOpStartSrcNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStopSrc, KTavsrcOpStopSrc, KTavsrcOpStopSrcNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeDisconnectSrc, KTavsrcOpDisconnectSrc, KTavsrcOpDisconnectSrcNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeConfigureSEP, KTavsrcOpConfigureSEP, KTavsrcOpConfigureSEPNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeReconfigureSEP, KTavsrcOpReconfigureSEP, KTavsrcOpReconfigureSEPNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodePacketDropIoctl, KTavsrcOpPacketDropIoctl, KTavsrcOpPacketDropIoctlNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeVolumeUp, KTavsrcOpVolumeUp, KTavsrcOpVolumeUpNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeVolumeDown, KTavsrcOpVolumeDown, KTavsrcOpVolumeDownNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeBackwards, KTavsrcOpBackwards, KTavsrcOpBackwardsNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeForwards, KTavsrcOpForwards, KTavsrcOpForwardsNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodePlay, KTavsrcOpPlay, KTavsrcOpPlayNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeStop, KTavsrcOpStop, KTavsrcOpStopNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeExit, KTavsrcOpExit, KTavsrcOpExitNextOperations));
+ iOperations.AppendL(TTavsrcOperation(KTavsrcOpCodeToggleSafeMode, KTavsrcOpToggleSafeMode, KTavsrcOpToggleSafeModeNextOperations));
+
+ // tavsrc always starts the src initially
+ iLastOperationIndex = GetAllowedOperationIndex(KTavsrcOpStartSrc, KTavsrcOpCodeAll);
+ User::LeaveIfError(iLastOperationIndex);
+ }
+
+CTavsrcOperations::CTavsrcOperations()
+ : iPendingOperationIndex(KErrNotFound), iSafeMode(ETrue)
+ {
+ }
+
+CTavsrcOperations::~CTavsrcOperations()
+ {
+ iOperations.Close();
+ }
+
+// Returns the index into iOperations array if aOperation is allowed as the next operation
+// according to aAllowedNextOpcodes or an error
+TInt CTavsrcOperations::GetAllowedOperationIndex(TChar aOperation, TInt aAllowedNextOpcodes)
+ {
+ TIdentityRelation<TTavsrcOperation> matchFunc(TTavsrcOperation::OperationMatchesAndAllowed);
+ return (iOperations.Find(TTavsrcOperation(0, aOperation, aAllowedNextOpcodes), matchFunc));
+ }
+
+TBool CTavsrcOperations::IsOperationAllowed(TChar aOperation)
+ {
+ TBool ret = EFalse;
+
+ if (!SafeMode())
+ {
+ // if we are not in safe mode then any operation is allowed
+ ret = ETrue;
+ }
+ else
+ {
+ ret = (GetAllowedOperationIndex(aOperation, iOperations[iLastOperationIndex].GetNextOpCodes()) >= 0);
+ }
+ return ret;
+ }
+
+TInt CTavsrcOperations::BeginOperation(TChar aOperation)
+ {
+ TInt rerr = KErrNone;
+
+ if ((iPendingOperationIndex >= 0) && (aOperation != KTavsrcOpCancel))
+ {
+ // an operation is in progress, block until it has completed
+ rerr = KErrNotReady;
+ }
+ else
+ {
+ TInt allowedNextOpCodes = iOperations[iLastOperationIndex].GetNextOpCodes();
+
+ if (!SafeMode())
+ {
+ // not in safe mode so any operation should be allowed
+ allowedNextOpCodes = KTavsrcOpCodeAll;
+ }
+
+ TInt index = GetAllowedOperationIndex(aOperation, allowedNextOpCodes);
+
+ if (index >= 0)
+ {
+ // we have a valid operation
+ iPendingOperationIndex = index;
+ }
+ else
+ {
+ // aOperation is not a supported command, return error
+ rerr = index;
+ }
+ }
+ return rerr;
+ }
+
+void CTavsrcOperations::EndOperation(TChar aOperation, TInt aError)
+ {
+ // if an error has occured the state hasn't moved on
+ if (!aError)
+ {
+ // check to see if there is an outstanding operation
+ if (iPendingOperationIndex < 0)
+ {
+ // we have no pending operation, this means that the remote has moved our state on,
+ // to keep the allowed operations in step pretend that we moved the state on ourselves
+ iPendingOperationIndex = GetAllowedOperationIndex(aOperation, KTavsrcOpCodeAll);
+ }
+
+ // update current state if there is any valid operations in the pending operation
+ if (iOperations[iPendingOperationIndex].GetNextOpCodes() != 0)
+ {
+ iLastOperationIndex = iPendingOperationIndex;
+ }
+ }
+ iPendingOperationIndex = KErrNotFound;
+ }
+
+TBool CTavsrcOperations::SafeMode()
+ {
+ return iSafeMode;
+ }
+
+void CTavsrcOperations::SetSafeMode(TBool aSafeMode)
+ {
+ iSafeMode = aSafeMode;
+ }