public void InDoubt(Exception e)
{
IEnlistmentShim localEnlistmentShim = null;
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxSinglePhaseEnlistment.InDoubt"
);
}
if ( DiagnosticTrace.Warning )
{
EnlistmentCallbackNegativeTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.InDoubt
);
}
lock ( this )
{
if (!isSinglePhase || (OletxEnlistmentState.SinglePhaseCommitting != state))
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null );
}
state = OletxEnlistmentState.InDoubt;
localEnlistmentShim = this.EnlistmentShim;
}
lock ( this.oletxTransaction.realOletxTransaction )
{
if ( this.oletxTransaction.realOletxTransaction.innerException == null )
{
this.oletxTransaction.realOletxTransaction.innerException = e;
}
}
try
{
if ( null != localEnlistmentShim )
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.InDoubt );
}
}
catch ( COMException ex )
{
// If the TM went down during our call, there is nothing special we have to do because
// the App doesn't expect any more notifications.
if ( ( NativeMethods.XACT_E_CONNECTION_DOWN == ex.ErrorCode ) ||
( NativeMethods.XACT_E_TMNOTAVAILABLE == ex.ErrorCode )
)
{
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
else
{
throw;
}
}
finally
{
FinishEnlistment();
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxSinglePhaseEnlistment.InDoubt"
);
}
}
internal OletxEnlistment(
IEnlistmentNotificationInternal enlistmentNotification,
OletxTransactionStatus xactStatus,
byte[] prepareInfoByteArray,
OletxResourceManager oletxResourceManager
) : base( oletxResourceManager, null )
{
Guid myGuid = Guid.Empty;
// This will get set later by the creator of this object after it
// has enlisted with the proxy.
this.enlistmentShim = null;
this.phase0Shim = null;
this.canDoSinglePhase = false;
this.iEnlistmentNotification = enlistmentNotification;
this.state = OletxEnlistmentState.Active;
// Do this before we do any tracing because it will affect the trace identifiers that we generate.
Debug.Assert( ( null != prepareInfoByteArray ),
"OletxEnlistment.ctor - null oletxTransaction without a prepareInfoByteArray" );
int prepareInfoLength = prepareInfoByteArray.Length;
this.proxyPrepareInfoByteArray = new byte[prepareInfoLength];
Array.Copy(prepareInfoByteArray, proxyPrepareInfoByteArray, prepareInfoLength);
byte[] txGuidByteArray = new byte[16];
Array.Copy(proxyPrepareInfoByteArray, txGuidByteArray, 16);
this.transactionGuid = new Guid( txGuidByteArray );
this.transactionGuidString = this.transactionGuid.ToString();
// If this is being created as part of a Reenlist and we already know the
// outcome, then tell the application.
switch (xactStatus)
{
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_ABORTED:
{
this.state = OletxEnlistmentState.Aborting;
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.Rollback
);
}
iEnlistmentNotification.Rollback( this );
break;
}
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED:
{
this.state = OletxEnlistmentState.Committing;
// We are going to send the notification to the RM. We need to put the
// enlistment on the reenlistPendingList. We lock the reenlistList because
// we have decided that is the lock that protects both lists. The entry will
// be taken off the reenlistPendingList when the enlistment has
// EnlistmentDone called on it. The enlistment will call
// RemoveFromReenlistPending.
lock ( oletxResourceManager.reenlistList )
{
oletxResourceManager.reenlistPendingList.Add( this );
}
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.Commit
);
}
iEnlistmentNotification.Commit( this );
break;
}
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED:
{
this.state = OletxEnlistmentState.Prepared;
lock ( oletxResourceManager.reenlistList )
{
oletxResourceManager.reenlistList.Add( this );
oletxResourceManager.StartReenlistThread();
}
break;
}
default:
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
SR.GetString( SR.OletxEnlistmentUnexpectedTransactionStatus )
);
}
throw TransactionException.Create( SR.GetString( SR.TraceSourceOletx ), SR.GetString( SR.OletxEnlistmentUnexpectedTransactionStatus ), null );
}
}
if ( DiagnosticTrace.Information )
{
EnlistmentTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentType.Durable,
EnlistmentOptions.None
);
}
// Always do this last in case anything prior to this fails.
AddToEnlistmentTable();
}
public void Committed()
{
IEnlistmentShim localEnlistmentShim = null;
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxSinglePhaseEnlistment.Committed"
);
EnlistmentCallbackPositiveTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.Committed
);
}
lock ( this )
{
if (!isSinglePhase || (OletxEnlistmentState.SinglePhaseCommitting != state))
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null );
}
state = OletxEnlistmentState.Committed;
localEnlistmentShim = this.EnlistmentShim;
}
try
{
// This may be the result of a reenlist, which means we don't have a
// reference to the proxy.
if ( null != localEnlistmentShim )
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.SinglePhase );
}
}
catch ( COMException ex )
{
// If the TM went down during our call, there is nothing special we have to do because
// the App doesn't expect any more notifications.
if ( ( NativeMethods.XACT_E_CONNECTION_DOWN == ex.ErrorCode ) ||
( NativeMethods.XACT_E_TMNOTAVAILABLE == ex.ErrorCode )
)
{
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
else
{
throw;
}
}
finally
{
FinishEnlistment();
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxSinglePhaseEnlistment.Committed"
);
}
}
internal OletxEnlistment(IEnlistmentNotificationInternal enlistmentNotification, OletxTransactionStatus xactStatus, byte[] prepareInfoByteArray, OletxResourceManager oletxResourceManager) : base(oletxResourceManager, null)
{
this.transactionGuid = Guid.Empty;
this.phase1Handle = IntPtr.Zero;
this.enlistmentShim = null;
this.phase0Shim = null;
this.canDoSinglePhase = false;
this.iEnlistmentNotification = enlistmentNotification;
this.state = OletxEnlistmentState.Active;
int length = prepareInfoByteArray.Length;
this.proxyPrepareInfoByteArray = new byte[length];
Array.Copy(prepareInfoByteArray, this.proxyPrepareInfoByteArray, length);
byte[] destinationArray = new byte[0x10];
Array.Copy(this.proxyPrepareInfoByteArray, destinationArray, 0x10);
this.transactionGuid = new Guid(destinationArray);
base.transactionGuidString = this.transactionGuid.ToString();
switch (xactStatus)
{
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED:
this.state = OletxEnlistmentState.Prepared;
lock (oletxResourceManager.reenlistList)
{
oletxResourceManager.reenlistList.Add(this);
oletxResourceManager.StartReenlistThread();
goto Label_01CD;
}
break;
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_ABORTED:
this.state = OletxEnlistmentState.Aborting;
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Rollback);
}
this.iEnlistmentNotification.Rollback(this);
goto Label_01CD;
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED:
this.state = OletxEnlistmentState.Committing;
lock (oletxResourceManager.reenlistList)
{
oletxResourceManager.reenlistPendingList.Add(this);
}
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Commit);
}
this.iEnlistmentNotification.Commit(this);
goto Label_01CD;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("OletxEnlistmentUnexpectedTransactionStatus"));
}
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("OletxEnlistmentUnexpectedTransactionStatus"), null);
Label_01CD:
if (DiagnosticTrace.Information)
{
EnlistmentTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentType.Durable, EnlistmentOptions.None);
}
base.AddToEnlistmentTable();
}
public void ForceRollback( Exception e )
{
IEnlistmentShim localEnlistmentShim = null;
IPhase0EnlistmentShim localPhase0Shim = null;
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.ForceRollback"
);
}
if ( DiagnosticTrace.Warning )
{
EnlistmentCallbackNegativeTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.ForceRollback
);
}
lock ( this )
{
if ( OletxEnlistmentState.Preparing == state )
{
localEnlistmentShim = this.EnlistmentShim;
}
else if ( OletxEnlistmentState.Phase0Preparing == state )
{
localPhase0Shim = this.Phase0EnlistmentShim;
if ( null != localPhase0Shim )
{
// We have a vote - decrement the undecided enlistment count. We only do this
// if we are Phase0 enlistment.
oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
}
}
else
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null );
}
state = OletxEnlistmentState.Aborted;
}
Interlocked.CompareExchange<Exception>( ref this.oletxTransaction.realOletxTransaction.innerException, e, null );
try
{
if ( null != localEnlistmentShim )
{
try
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.Failed );
}
finally
{
HandleTable.FreeHandle( this.phase1Handle );
}
}
if ( null != localPhase0Shim )
{
localPhase0Shim.Phase0Done( false );
}
// else
// The TM must have gone down, thus causing our interface pointer to be
// invalidated. The App doesn't expect any more notifications, so we can
// just finish the enlistment.
}
catch ( COMException ex )
{
// If the TM went down during our call, there is nothing special we have to do because
// the App doesn't expect any more notifications.
if ( ( NativeMethods.XACT_E_CONNECTION_DOWN == ex.ErrorCode ) ||
( NativeMethods.XACT_E_TMNOTAVAILABLE == ex.ErrorCode )
)
{
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
else
{
throw;
}
}
finally
{
FinishEnlistment();
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.ForceRollback"
);
}
}
// ITransactionPhase0NotifyAsync
public void Phase0Request(
bool abortingHint
)
{
IEnlistmentNotificationInternal localEnlistmentNotification = null;
OletxEnlistmentState localState = OletxEnlistmentState.Active;
OletxCommittableTransaction committableTx = null;
bool commitNotYetCalled = false;
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxEnlistment.Phase0Request"
);
}
committableTx = this.oletxTransaction.realOletxTransaction.committableTransaction;
if ( null != committableTx )
{
// We are dealing with the committable transaction. If Commit or BeginCommit has NOT been
// called, then we are dealing with a situation where the TM went down and we are getting
// a bogus Phase0Request with abortHint = false (COMPlus bug 36760/36758). This is an attempt
// to not send the app a Prepare request when we know the transaction is going to abort.
if (!committableTx.CommitCalled )
{
commitNotYetCalled = true;
}
}
lock ( this )
{
this.aborting = abortingHint;
// The app may have already called EnlistmentDone. If this occurs, don't bother sending
// the notification to the app and we don't need to tell the proxy.
if ( OletxEnlistmentState.Active == state )
{
// If we got an abort hint or we are the committable transaction and Commit has not yet been called or the TM went down,
// we don't want to do any more work on the transaction. The abort notifications will be sent by the phase 1
// enlistment
if ( ( this.aborting ) || ( commitNotYetCalled ) || ( this.tmWentDown ) )
{
// There is a possible ---- where we could get the Phase0Request before we are given the
// shim. In that case, we will vote "no" when we are given the shim.
if ( null != this.phase0Shim )
{
try
{
this.phase0Shim.Phase0Done( false );
}
// I am not going to check for XACT_E_PROTOCOL here because that check is a workaround for a bug
// that only shows up if abortingHint is false.
catch ( COMException ex )
{
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
}
}
else
{
localState = state = OletxEnlistmentState.Phase0Preparing;
localEnlistmentNotification = iEnlistmentNotification;
}
}
}
// Tell the application to do the work.
if ( null != localEnlistmentNotification )
{
if ( OletxEnlistmentState.Phase0Preparing == localState )
{
byte[] txGuidArray = transactionGuid.ToByteArray();
byte[] rmGuidArray = oletxResourceManager.resourceManagerIdentifier.ToByteArray();
byte[] temp = new byte[txGuidArray.Length + rmGuidArray.Length];
Thread.MemoryBarrier();
this.proxyPrepareInfoByteArray = temp;
int index = 0;
for ( index = 0; index < txGuidArray.Length; index++ )
{
proxyPrepareInfoByteArray[index] =
txGuidArray[index];
}
for ( index = 0; index < rmGuidArray.Length; index++ )
{
proxyPrepareInfoByteArray[txGuidArray.Length + index] =
rmGuidArray[index];
}
OletxRecoveryInformation oletxRecoveryInformation = new OletxRecoveryInformation(
proxyPrepareInfoByteArray
);
byte[] oletxRecoveryInformationByteArray = TransactionManager.ConvertToByteArray( oletxRecoveryInformation );
//
this.prepareInfoByteArray = TransactionManager.GetRecoveryInformation(
oletxResourceManager.oletxTransactionManager.CreationNodeName,
oletxRecoveryInformationByteArray
);
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.Prepare
);
}
localEnlistmentNotification.Prepare( this );
}
else
{
// We must have had a ---- between EnlistmentDone and the proxy telling
// us Phase0Request. Just return.
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxEnlistment.Phase0Request"
);
}
return;
}
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxEnlistment.Phase0Request"
);
}
}
internal OletxEnlistment(
bool canDoSinglePhase,
IEnlistmentNotificationInternal enlistmentNotification,
Guid transactionGuid,
EnlistmentOptions enlistmentOptions,
OletxResourceManager oletxResourceManager,
OletxTransaction oletxTransaction
) : base( oletxResourceManager, oletxTransaction )
{
Guid myGuid = Guid.Empty;
// This will get set later by the creator of this object after it
// has enlisted with the proxy.
this.enlistmentShim = null;
this.phase0Shim = null;
this.canDoSinglePhase = canDoSinglePhase;
this.iEnlistmentNotification = enlistmentNotification;
this.state = OletxEnlistmentState.Active;
this.transactionGuid = transactionGuid;
this.proxyPrepareInfoByteArray = null;
if ( DiagnosticTrace.Information )
{
EnlistmentTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentType.Durable,
enlistmentOptions
);
}
// Always do this last incase anything earlier fails.
AddToEnlistmentTable();
}
public bool PrepareRequest(bool singlePhase, byte[] prepareInfo)
{
IEnlistmentShim enlistmentShim = null;
OletxEnlistmentState active = OletxEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
OletxRecoveryInformation thingToConvert = null;
lock (this)
{
if (this.state == OletxEnlistmentState.Active)
{
active = this.state = OletxEnlistmentState.Preparing;
}
else
{
active = this.state;
}
iEnlistmentNotification = this.iEnlistmentNotification;
enlistmentShim = this.EnlistmentShim;
base.oletxTransaction.realOletxTransaction.TooLateForEnlistments = true;
}
if (OletxEnlistmentState.Preparing == active)
{
thingToConvert = new OletxRecoveryInformation(prepareInfo);
this.isSinglePhase = singlePhase;
long length = prepareInfo.Length;
this.proxyPrepareInfoByteArray = new byte[length];
Array.Copy(prepareInfo, this.proxyPrepareInfoByteArray, length);
if (this.isSinglePhase && this.canDoSinglePhase)
{
ISinglePhaseNotificationInternal internal3 = (ISinglePhaseNotificationInternal) iEnlistmentNotification;
this.state = OletxEnlistmentState.SinglePhaseCommitting;
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.SinglePhaseCommit);
}
internal3.SinglePhaseCommit(this);
return true;
}
byte[] resourceManagerRecoveryInformation = TransactionManager.ConvertToByteArray(thingToConvert);
this.state = OletxEnlistmentState.Preparing;
this.prepareInfoByteArray = TransactionManager.GetRecoveryInformation(base.oletxResourceManager.oletxTransactionManager.CreationNodeName, resourceManagerRecoveryInformation);
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Prepare);
}
iEnlistmentNotification.Prepare(this);
return false;
}
if (OletxEnlistmentState.Prepared == active)
{
try
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.Prepared);
return false;
}
catch (COMException exception3)
{
OletxTransactionManager.ProxyException(exception3);
throw;
}
}
if (OletxEnlistmentState.Done == active)
{
try
{
bool flag;
try
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.ReadOnly);
flag = true;
}
finally
{
this.FinishEnlistment();
}
return flag;
}
catch (COMException exception2)
{
OletxTransactionManager.ProxyException(exception2);
throw;
}
}
try
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.Failed);
}
catch (COMException exception)
{
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
return true;
}
internal OletxEnlistment(bool canDoSinglePhase, IEnlistmentNotificationInternal enlistmentNotification, Guid transactionGuid, EnlistmentOptions enlistmentOptions, OletxResourceManager oletxResourceManager, OletxTransaction oletxTransaction) : base(oletxResourceManager, oletxTransaction)
{
this.transactionGuid = Guid.Empty;
this.phase1Handle = IntPtr.Zero;
this.enlistmentShim = null;
this.phase0Shim = null;
this.canDoSinglePhase = canDoSinglePhase;
this.iEnlistmentNotification = enlistmentNotification;
this.state = OletxEnlistmentState.Active;
this.transactionGuid = transactionGuid;
this.proxyPrepareInfoByteArray = null;
if (DiagnosticTrace.Information)
{
EnlistmentTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentType.Durable, enlistmentOptions);
}
base.AddToEnlistmentTable();
}
public void Phase0Request(bool abortingHint)
{
IEnlistmentNotificationInternal iEnlistmentNotification = null;
OletxEnlistmentState active = OletxEnlistmentState.Active;
OletxCommittableTransaction committableTransaction = null;
bool flag = false;
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.Phase0Request");
}
committableTransaction = base.oletxTransaction.realOletxTransaction.committableTransaction;
if ((committableTransaction != null) && !committableTransaction.CommitCalled)
{
flag = true;
}
lock (this)
{
this.aborting = abortingHint;
if (this.state == OletxEnlistmentState.Active)
{
if ((this.aborting || flag) || this.tmWentDown)
{
if (this.phase0Shim != null)
{
try
{
this.phase0Shim.Phase0Done(false);
}
catch (COMException exception)
{
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
}
}
else
{
active = this.state = OletxEnlistmentState.Phase0Preparing;
iEnlistmentNotification = this.iEnlistmentNotification;
}
}
}
if (iEnlistmentNotification != null)
{
if (OletxEnlistmentState.Phase0Preparing != active)
{
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.Phase0Request");
}
return;
}
byte[] buffer = this.transactionGuid.ToByteArray();
byte[] buffer2 = base.oletxResourceManager.resourceManagerIdentifier.ToByteArray();
byte[] buffer4 = new byte[buffer.Length + buffer2.Length];
Thread.MemoryBarrier();
this.proxyPrepareInfoByteArray = buffer4;
int index = 0;
for (index = 0; index < buffer.Length; index++)
{
this.proxyPrepareInfoByteArray[index] = buffer[index];
}
for (index = 0; index < buffer2.Length; index++)
{
this.proxyPrepareInfoByteArray[buffer.Length + index] = buffer2[index];
}
OletxRecoveryInformation thingToConvert = new OletxRecoveryInformation(this.proxyPrepareInfoByteArray);
byte[] resourceManagerRecoveryInformation = TransactionManager.ConvertToByteArray(thingToConvert);
this.prepareInfoByteArray = TransactionManager.GetRecoveryInformation(base.oletxResourceManager.oletxTransactionManager.CreationNodeName, resourceManagerRecoveryInformation);
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Prepare);
}
iEnlistmentNotification.Prepare(this);
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.Phase0Request");
}
}
public void Prepared()
{
int num1 = System.Transactions.Oletx.NativeMethods.S_OK;
IEnlistmentShim enlistmentShim = null;
IPhase0EnlistmentShim shim = null;
bool fabricateRollback = false;
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.Prepared");
EnlistmentCallbackPositiveTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.Prepared);
}
lock (this)
{
if (OletxEnlistmentState.Preparing == this.state)
{
enlistmentShim = this.EnlistmentShim;
}
else
{
if (OletxEnlistmentState.Phase0Preparing != this.state)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
shim = this.Phase0EnlistmentShim;
if (base.oletxTransaction.realOletxTransaction.Doomed || this.fabricateRollback)
{
this.fabricateRollback = true;
fabricateRollback = this.fabricateRollback;
}
}
this.state = OletxEnlistmentState.Prepared;
}
try
{
if (enlistmentShim != null)
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.Prepared);
}
else if (shim != null)
{
base.oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
shim.Phase0Done(!fabricateRollback);
}
else
{
fabricateRollback = true;
}
if (fabricateRollback)
{
this.AbortRequest();
}
}
catch (COMException exception)
{
if ((System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN == exception.ErrorCode) || (System.Transactions.Oletx.NativeMethods.XACT_E_TMNOTAVAILABLE == exception.ErrorCode))
{
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
else
{
if (System.Transactions.Oletx.NativeMethods.XACT_E_PROTOCOL != exception.ErrorCode)
{
throw;
}
this.Phase0EnlistmentShim = null;
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.Prepared");
}
}
public void InDoubt(Exception e)
{
IEnlistmentShim enlistmentShim = null;
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxSinglePhaseEnlistment.InDoubt");
}
if (DiagnosticTrace.Warning)
{
EnlistmentCallbackNegativeTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.InDoubt);
}
lock (this)
{
if (!this.isSinglePhase || (OletxEnlistmentState.SinglePhaseCommitting != this.state))
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
this.state = OletxEnlistmentState.InDoubt;
enlistmentShim = this.EnlistmentShim;
}
lock (base.oletxTransaction.realOletxTransaction)
{
if (base.oletxTransaction.realOletxTransaction.innerException == null)
{
base.oletxTransaction.realOletxTransaction.innerException = e;
}
}
try
{
if (enlistmentShim != null)
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.InDoubt);
}
}
catch (COMException exception)
{
if ((System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN != exception.ErrorCode) && (System.Transactions.Oletx.NativeMethods.XACT_E_TMNOTAVAILABLE != exception.ErrorCode))
{
throw;
}
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
this.FinishEnlistment();
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxSinglePhaseEnlistment.InDoubt");
}
}
public void ForceRollback(Exception e)
{
IPhase0EnlistmentShim shim = null;
IEnlistmentShim enlistmentShim = null;
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.ForceRollback");
}
if (DiagnosticTrace.Warning)
{
EnlistmentCallbackNegativeTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.ForceRollback);
}
lock (this)
{
if (OletxEnlistmentState.Preparing == this.state)
{
enlistmentShim = this.EnlistmentShim;
}
else
{
if (OletxEnlistmentState.Phase0Preparing != this.state)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
shim = this.Phase0EnlistmentShim;
if (shim != null)
{
base.oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
}
}
this.state = OletxEnlistmentState.Aborted;
}
Interlocked.CompareExchange<Exception>(ref base.oletxTransaction.realOletxTransaction.innerException, e, null);
try
{
if (enlistmentShim != null)
{
try
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.Failed);
}
finally
{
HandleTable.FreeHandle(this.phase1Handle);
}
}
if (shim != null)
{
shim.Phase0Done(false);
}
}
catch (COMException exception)
{
if ((System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN != exception.ErrorCode) && (System.Transactions.Oletx.NativeMethods.XACT_E_TMNOTAVAILABLE != exception.ErrorCode))
{
throw;
}
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
this.FinishEnlistment();
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.ForceRollback");
}
}
public void EnlistmentDone()
{
bool flag;
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
EnlistmentCallbackPositiveTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.Done);
}
IEnlistmentShim enlistmentShim = null;
IPhase0EnlistmentShim shim2 = null;
OletxEnlistmentState active = OletxEnlistmentState.Active;
bool fabricateRollback = false;
lock (this)
{
active = this.state;
if (this.state == OletxEnlistmentState.Active)
{
shim2 = this.Phase0EnlistmentShim;
if (shim2 != null)
{
base.oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
}
flag = false;
}
else if (OletxEnlistmentState.Preparing == this.state)
{
enlistmentShim = this.EnlistmentShim;
flag = true;
}
else if (OletxEnlistmentState.Phase0Preparing == this.state)
{
shim2 = this.Phase0EnlistmentShim;
base.oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
if (this.fabricateRollback)
{
flag = true;
}
else
{
flag = false;
}
}
else
{
if (((OletxEnlistmentState.Committing != this.state) && (OletxEnlistmentState.Aborting != this.state)) && (OletxEnlistmentState.SinglePhaseCommitting != this.state))
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
enlistmentShim = this.EnlistmentShim;
flag = true;
}
fabricateRollback = this.fabricateRollback;
this.state = OletxEnlistmentState.Done;
}
try
{
if (enlistmentShim != null)
{
if (OletxEnlistmentState.Preparing == active)
{
try
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.ReadOnly);
goto Label_01C1;
}
finally
{
HandleTable.FreeHandle(this.phase1Handle);
}
}
if (OletxEnlistmentState.Committing != active)
{
if (OletxEnlistmentState.Aborting != active)
{
if (OletxEnlistmentState.SinglePhaseCommitting != active)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.SinglePhase);
}
else if (!fabricateRollback)
{
enlistmentShim.AbortRequestDone();
}
}
else
{
enlistmentShim.CommitRequestDone();
}
}
else if (shim2 != null)
{
if (active != OletxEnlistmentState.Active)
{
if (OletxEnlistmentState.Phase0Preparing != active)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
shim2.Phase0Done(true);
}
else
{
shim2.Unenlist();
}
}
}
catch (COMException exception)
{
flag = true;
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
if (flag)
{
this.FinishEnlistment();
}
}
Label_01C1:
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
}
}
// ITranactionResourceAsync.PrepareRequest
public bool PrepareRequest(
bool singlePhase,
byte[] prepareInfo
)
{
IEnlistmentShim localEnlistmentShim = null;
OletxEnlistmentState localState = OletxEnlistmentState.Active;
IEnlistmentNotificationInternal localEnlistmentNotification = null;
OletxRecoveryInformation oletxRecoveryInformation = null;
bool enlistmentDone;
lock ( this )
{
if ( OletxEnlistmentState.Active == state )
{
localState = state = OletxEnlistmentState.Preparing;
}
else
{
// We must have done the prepare work in Phase0, so just remember what state we are
// in now.
localState = state;
}
localEnlistmentNotification = iEnlistmentNotification;
localEnlistmentShim = this.EnlistmentShim;
this.oletxTransaction.realOletxTransaction.TooLateForEnlistments = true;
}
// If we went to Preparing state, send the app
// a prepare request.
if ( OletxEnlistmentState.Preparing == localState )
{
oletxRecoveryInformation = new OletxRecoveryInformation( prepareInfo );
this.isSinglePhase = singlePhase;
// Store the prepare info we are given.
Debug.Assert(this.proxyPrepareInfoByteArray == null, "Unexpected value in this.proxyPrepareInfoByteArray");
long arrayLength = prepareInfo.Length;
this.proxyPrepareInfoByteArray = new Byte[arrayLength];
Array.Copy(prepareInfo, this.proxyPrepareInfoByteArray, arrayLength);
if ( this.isSinglePhase && this.canDoSinglePhase )
{
ISinglePhaseNotificationInternal singlePhaseNotification = (ISinglePhaseNotificationInternal) localEnlistmentNotification;
state = OletxEnlistmentState.SinglePhaseCommitting;
// We don't call DecrementUndecidedEnlistments for Phase1 enlistments.
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.SinglePhaseCommit
);
}
singlePhaseNotification.SinglePhaseCommit( this );
enlistmentDone = true;
}
else
{
// We need to turn the oletxRecoveryInformation into a byte array.
byte[] oletxRecoveryInformationByteArray = TransactionManager.ConvertToByteArray( oletxRecoveryInformation );
state = OletxEnlistmentState.Preparing;
//
this.prepareInfoByteArray = TransactionManager.GetRecoveryInformation(
oletxResourceManager.oletxTransactionManager.CreationNodeName,
oletxRecoveryInformationByteArray
);
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.Prepare
);
}
localEnlistmentNotification.Prepare(
this
);
enlistmentDone = false;
}
}
else if ( OletxEnlistmentState.Prepared == localState )
{
// We must have done our prepare work during Phase0 so just vote Yes.
try
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.Prepared );
enlistmentDone = false;
}
catch ( COMException comException )
{
OletxTransactionManager.ProxyException( comException );
throw;
}
}
else if ( OletxEnlistmentState.Done == localState )
{
try
{
// This was an early vote. Respond ReadOnly
try
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.ReadOnly );
enlistmentDone = true;
}
finally
{
FinishEnlistment();
}
}
catch ( COMException comException )
{
OletxTransactionManager.ProxyException( comException );
throw;
}
}
else
{
// Any other state means we should vote NO to the proxy.
try
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.Failed );
}
catch ( COMException ex )
{
// No point in rethrowing this. We are not on an app thread and we have already told
// the app that the transaction is aborting. When the app calls EnlistmentDone, we will
// do the final release of the ITransactionEnlistmentAsync.
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
enlistmentDone = true;
}
return enlistmentDone;
}
public void AbortRequest()
{
IEnlistmentShim enlistmentShim = null;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
bool flag = false;
lock (this)
{
if ((this.state == OletxEnlistmentState.Active) || (OletxEnlistmentState.Prepared == this.state))
{
this.state = OletxEnlistmentState.Aborting;
iEnlistmentNotification = this.iEnlistmentNotification;
}
else
{
if (OletxEnlistmentState.Phase0Preparing == this.state)
{
this.fabricateRollback = true;
}
else
{
flag = true;
}
enlistmentShim = this.EnlistmentShim;
}
}
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Rollback);
}
iEnlistmentNotification.Rollback(this);
}
else if (enlistmentShim != null)
{
try
{
enlistmentShim.AbortRequestDone();
}
catch (COMException exception)
{
if ((System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN != exception.ErrorCode) && (System.Transactions.Oletx.NativeMethods.XACT_E_TMNOTAVAILABLE != exception.ErrorCode))
{
throw;
}
flag = true;
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
if (flag)
{
this.FinishEnlistment();
}
}
}
}
public void AbortRequest()
{
OletxEnlistmentState localState = OletxEnlistmentState.Active;
IEnlistmentNotificationInternal localEnlistmentNotification = null;
IEnlistmentShim localEnlistmentShim = null;
bool finishEnlistment = false;
lock ( this )
{
if ( ( OletxEnlistmentState.Active == state ) ||
( OletxEnlistmentState.Prepared == state )
)
{
localState = state = OletxEnlistmentState.Aborting;
localEnlistmentNotification = iEnlistmentNotification;
}
else
{
// We must have received an EnlistmentDone already or we have
// a notification outstanding (Phase0 prepare).
localState = state;
if ( OletxEnlistmentState.Phase0Preparing == state )
{
this.fabricateRollback = true;
}
else
{
finishEnlistment = true;
}
localEnlistmentShim = this.EnlistmentShim;
}
}
if ( null != localEnlistmentNotification )
{
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.Rollback
);
}
localEnlistmentNotification.Rollback( this );
}
else if ( null != localEnlistmentShim )
{
// We need to respond to the proxy now.
try
{
localEnlistmentShim.AbortRequestDone();
}
catch ( COMException ex )
{
// If the TM went down during our call, there is nothing special we have to do because
// the App doesn't expect any more notifications. We do want to mark the enlistment
// to finish, however.
if ( ( NativeMethods.XACT_E_CONNECTION_DOWN == ex.ErrorCode ) ||
( NativeMethods.XACT_E_TMNOTAVAILABLE == ex.ErrorCode )
)
{
finishEnlistment = true;
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
else
{
throw;
}
}
finally
{
if ( finishEnlistment )
{
FinishEnlistment();
}
}
}
return;
}
internal OletxEnlistment(IEnlistmentNotificationInternal enlistmentNotification, OletxTransactionStatus xactStatus, byte[] prepareInfoByteArray, OletxResourceManager oletxResourceManager) : base(oletxResourceManager, null)
{
this.transactionGuid = Guid.Empty;
this.phase1Handle = IntPtr.Zero;
this.enlistmentShim = null;
this.phase0Shim = null;
this.canDoSinglePhase = false;
this.iEnlistmentNotification = enlistmentNotification;
this.state = OletxEnlistmentState.Active;
int length = prepareInfoByteArray.Length;
this.proxyPrepareInfoByteArray = new byte[length];
Array.Copy(prepareInfoByteArray, this.proxyPrepareInfoByteArray, length);
byte[] destinationArray = new byte[0x10];
Array.Copy(this.proxyPrepareInfoByteArray, destinationArray, 0x10);
this.transactionGuid = new Guid(destinationArray);
base.transactionGuidString = this.transactionGuid.ToString();
switch (xactStatus)
{
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED:
this.state = OletxEnlistmentState.Prepared;
lock (oletxResourceManager.reenlistList)
{
oletxResourceManager.reenlistList.Add(this);
oletxResourceManager.StartReenlistThread();
goto Label_01CD;
}
break;
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_ABORTED:
this.state = OletxEnlistmentState.Aborting;
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Rollback);
}
this.iEnlistmentNotification.Rollback(this);
goto Label_01CD;
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED:
this.state = OletxEnlistmentState.Committing;
lock (oletxResourceManager.reenlistList)
{
oletxResourceManager.reenlistPendingList.Add(this);
}
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Commit);
}
this.iEnlistmentNotification.Commit(this);
goto Label_01CD;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("OletxEnlistmentUnexpectedTransactionStatus"));
}
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("OletxEnlistmentUnexpectedTransactionStatus"), null);
Label_01CD:
if (DiagnosticTrace.Information)
{
EnlistmentTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentType.Durable, EnlistmentOptions.None);
}
base.AddToEnlistmentTable();
}
public void EnlistmentDone()
{
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxEnlistment.EnlistmentDone"
);
EnlistmentCallbackPositiveTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.Done
);
}
IEnlistmentShim localEnlistmentShim = null;
IPhase0EnlistmentShim localPhase0Shim = null;
OletxEnlistmentState localState = OletxEnlistmentState.Active;
bool finishEnlistment;
bool localFabricateRollback = false;
lock ( this )
{
localState = state;
if ( OletxEnlistmentState.Active == state )
{
// Early vote. If we are doing Phase0, we need to unenlist. Otherwise, just
// remember.
localPhase0Shim = this.Phase0EnlistmentShim;
if ( null != localPhase0Shim )
{
// We are a Phase0 enlistment and we have a vote - decrement the undecided enlistment count.
// We only do this for Phase0 because we don't count Phase1 durable enlistments.
oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
}
finishEnlistment = false;
}
else if ( OletxEnlistmentState.Preparing == state )
{
// Read only vote. Tell the proxy and go to the Done state.
localEnlistmentShim = this.EnlistmentShim;
// We don't decrement the undecided enlistment count for Preparing because we only count
// Phase0 enlistments and we are in Phase1 in Preparing state.
finishEnlistment = true;
}
else if ( OletxEnlistmentState.Phase0Preparing == state )
{
// Read only vote to Phase0. Tell the proxy okay and go to the Done state.
localPhase0Shim = this.Phase0EnlistmentShim;
// We are a Phase0 enlistment and we have a vote - decrement the undecided enlistment count.
// We only do this for Phase0 because we don't count Phase1 durable enlistments.
oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
// If we would have fabricated a rollback then we have already received an abort request
// from proxy and will not receive any more notifications. Otherwise more notifications
// will be coming.
if ( this.fabricateRollback )
{
finishEnlistment = true;
}
else
{
finishEnlistment = false;
}
}
else if ( ( OletxEnlistmentState.Committing == state ) ||
( OletxEnlistmentState.Aborting == state ) ||
( OletxEnlistmentState.SinglePhaseCommitting == state )
)
{
localEnlistmentShim = this.EnlistmentShim;
finishEnlistment = true;
// We don't decrement the undecided enlistment count for SinglePhaseCommitting because we only
// do it for Phase0 enlistments.
}
else
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null );
}
// If this.fabricateRollback is true, it means that we are fabricating this
// AbortRequest, rather than having the proxy tell us. So we don't need
// to respond to the proxy with AbortRequestDone.
localFabricateRollback = this.fabricateRollback;
state = OletxEnlistmentState.Done;
}
try
{
if ( null != localEnlistmentShim )
{
if ( OletxEnlistmentState.Preparing == localState )
{
try
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.ReadOnly );
}
finally
{
HandleTable.FreeHandle( this.phase1Handle );
}
}
else if ( OletxEnlistmentState.Committing == localState )
{
localEnlistmentShim.CommitRequestDone();
}
else if ( OletxEnlistmentState.Aborting == localState )
{
// If localFabricatRollback is true, it means that we are fabricating this
// AbortRequest, rather than having the proxy tell us. So we don't need
// to respond to the proxy with AbortRequestDone.
if ( ! localFabricateRollback )
{
localEnlistmentShim.AbortRequestDone();
}
}
else if ( OletxEnlistmentState.SinglePhaseCommitting == localState )
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.SinglePhase );
}
else
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null );
}
}
else if ( null != localPhase0Shim )
{
if ( OletxEnlistmentState.Active == localState )
{
localPhase0Shim.Unenlist();
}
else if ( OletxEnlistmentState.Phase0Preparing == localState )
{
localPhase0Shim.Phase0Done( true );
}
else
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null );
}
}
}
catch ( COMException ex )
{
// If we get an error talking to the proxy, there is nothing special we have to do because
// the App doesn't expect any more notifications. We do want to mark the enlistment
// to finish, however.
finishEnlistment = true;
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
finally
{
if ( finishEnlistment )
{
FinishEnlistment();
}
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxEnlistment.EnlistmentDone"
);
}
}
public void EnlistmentDone()
{
bool flag;
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
EnlistmentCallbackPositiveTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.Done);
}
IEnlistmentShim enlistmentShim = null;
IPhase0EnlistmentShim shim2 = null;
OletxEnlistmentState active = OletxEnlistmentState.Active;
bool fabricateRollback = false;
lock (this)
{
active = this.state;
if (this.state == OletxEnlistmentState.Active)
{
shim2 = this.Phase0EnlistmentShim;
if (shim2 != null)
{
base.oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
}
flag = false;
}
else if (OletxEnlistmentState.Preparing == this.state)
{
enlistmentShim = this.EnlistmentShim;
flag = true;
}
else if (OletxEnlistmentState.Phase0Preparing == this.state)
{
shim2 = this.Phase0EnlistmentShim;
base.oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
if (this.fabricateRollback)
{
flag = true;
}
else
{
flag = false;
}
}
else
{
if (((OletxEnlistmentState.Committing != this.state) && (OletxEnlistmentState.Aborting != this.state)) && (OletxEnlistmentState.SinglePhaseCommitting != this.state))
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
enlistmentShim = this.EnlistmentShim;
flag = true;
}
fabricateRollback = this.fabricateRollback;
this.state = OletxEnlistmentState.Done;
}
try
{
if (enlistmentShim != null)
{
if (OletxEnlistmentState.Preparing == active)
{
try
{
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.ReadOnly);
goto Label_01C1;
}
finally
{
HandleTable.FreeHandle(this.phase1Handle);
}
}
if (OletxEnlistmentState.Committing != active)
{
if (OletxEnlistmentState.Aborting != active)
{
if (OletxEnlistmentState.SinglePhaseCommitting != active)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
enlistmentShim.PrepareRequestDone(OletxPrepareVoteType.SinglePhase);
}
else if (!fabricateRollback)
{
enlistmentShim.AbortRequestDone();
}
}
else
{
enlistmentShim.CommitRequestDone();
}
}
else if (shim2 != null)
{
if (active != OletxEnlistmentState.Active)
{
if (OletxEnlistmentState.Phase0Preparing != active)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
shim2.Phase0Done(true);
}
else
{
shim2.Unenlist();
}
}
}
catch (COMException exception)
{
flag = true;
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
if (flag)
{
this.FinishEnlistment();
}
}
Label_01C1:
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
}
}
public void Prepared()
{
int hrResult = NativeMethods.S_OK;
IEnlistmentShim localEnlistmentShim = null;
IPhase0EnlistmentShim localPhase0Shim = null;
bool localFabricateRollback = false;
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.Prepared"
);
EnlistmentCallbackPositiveTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.Prepared
);
}
lock ( this )
{
if ( OletxEnlistmentState.Preparing == state )
{
localEnlistmentShim = this.EnlistmentShim;
}
else if ( OletxEnlistmentState.Phase0Preparing == state )
{
// If the transaction is doomed or we have fabricateRollback is true because the
// transaction aborted while the Phase0 Prepare request was outstanding,
// release the WrappedTransactionPhase0EnlistmentAsync and remember that
// we have a pending rollback.
localPhase0Shim = this.Phase0EnlistmentShim;
if ( ( oletxTransaction.realOletxTransaction.Doomed ) ||
( this.fabricateRollback )
)
{
// Set fabricateRollback in case we got here because the transaction is doomed.
this.fabricateRollback = true;
localFabricateRollback = this.fabricateRollback;
}
}
else
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null );
}
state = OletxEnlistmentState.Prepared;
}
try
{
if ( null != localEnlistmentShim )
{
localEnlistmentShim.PrepareRequestDone( OletxPrepareVoteType.Prepared );
}
else if ( null != localPhase0Shim )
{
// We have a vote - decrement the undecided enlistment count. We do
// this after checking Doomed because ForceRollback will decrement also.
// We also do this only for Phase0 enlistments.
oletxTransaction.realOletxTransaction.DecrementUndecidedEnlistments();
localPhase0Shim.Phase0Done( !localFabricateRollback );
}
else
// The TM must have gone down, thus causing our interface pointer to be
// invalidated. So we need to drive abort of the enlistment as if we
// received an AbortRequest.
{
localFabricateRollback = true;
}
if ( localFabricateRollback )
{
AbortRequest();
}
}
catch ( COMException ex )
{
// If the TM went down during our call, the TMDown notification to the enlistment
// and RM will put this enlistment on the ReenlistList, if appropriate. The outcome
// will be obtained by the ReenlistThread.
if ( ( NativeMethods.XACT_E_CONNECTION_DOWN == ex.ErrorCode ) ||
( NativeMethods.XACT_E_TMNOTAVAILABLE == ex.ErrorCode )
)
{
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
// In the case of Phase0, there is a bug in the proxy that causes an XACT_E_PROTOCOL
// error if the TM goes down while the enlistment is still active. The Phase0Request is
// sent out with abortHint false, but the state of the proxy object is not changed, causing
// Phase0Done request to fail with XACT_E_PROTOCOL.
// For Prepared, we want to make sure the proxy aborts the transaction. We don't need
// to drive the abort to the application here because the Phase1 enlistment will do that.
// In other words, treat this as if the proxy said Phase0Request( abortingHint = true ).
else if ( NativeMethods.XACT_E_PROTOCOL == ex.ErrorCode )
{
this.Phase0EnlistmentShim = null;
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
else
{
throw;
}
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.Prepared"
);
}
}
public void CommitRequest()
{
IEnlistmentShim enlistmentShim = null;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
bool flag = false;
lock (this)
{
if (OletxEnlistmentState.Prepared == this.state)
{
this.state = OletxEnlistmentState.Committing;
iEnlistmentNotification = this.iEnlistmentNotification;
}
else
{
enlistmentShim = this.EnlistmentShim;
flag = true;
}
}
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Commit);
}
iEnlistmentNotification.Commit(this);
}
else if (enlistmentShim != null)
{
try
{
enlistmentShim.CommitRequestDone();
}
catch (COMException exception)
{
if ((System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN != exception.ErrorCode) && (System.Transactions.Oletx.NativeMethods.XACT_E_TMNOTAVAILABLE != exception.ErrorCode))
{
throw;
}
flag = true;
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
if (flag)
{
this.FinishEnlistment();
}
}
}
}
