internal OletxEnlistment(
bool canDoSinglePhase,
IEnlistmentNotificationInternal enlistmentNotification,
Guid transactionGuid,
EnlistmentOptions enlistmentOptions,
OletxResourceManager oletxResourceManager,
OletxTransaction oletxTransaction)
: base(oletxResourceManager, oletxTransaction)
{
// This will get set later by the creator of this object after it
// has enlisted with the proxy.
EnlistmentShim = null;
_phase0Shim = null;
_canDoSinglePhase = canDoSinglePhase;
_iEnlistmentNotification = enlistmentNotification;
State = OletxEnlistmentState.Active;
_transactionGuid = transactionGuid;
_proxyPrepareInfoByteArray = null;
TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;
if (etwLog.IsEnabled())
{
etwLog.EnlistmentCreated(TraceSourceType.TraceSourceOleTx, InternalTraceIdentifier, EnlistmentType.Durable, enlistmentOptions);
}
// Always do this last in case anything earlier fails.
AddToEnlistmentTable();
}
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();
}
internal void Prepare(OletxVolatileEnlistmentContainer container)
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
iEnlistmentNotification = this.iEnlistmentNotification;
if (this.state == OletxVolatileEnlistmentState.Active)
{
active = this.state = OletxVolatileEnlistmentState.Preparing;
}
else
{
active = this.state;
}
this.container = container;
}
if (OletxVolatileEnlistmentState.Preparing == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Prepare);
}
iEnlistmentNotification.Prepare(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if (OletxVolatileEnlistmentState.Done == active)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Prepared == active) && this.enlistDuringPrepareRequired)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Aborting == active) || (OletxVolatileEnlistmentState.Aborted == active))
{
container.DecrementOutstandingNotifications(false);
}
else
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
internal OletxVolatileEnlistment(IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions, OletxTransaction oletxTransaction) : base(null, oletxTransaction)
{
this.iEnlistmentNotification = enlistmentNotification;
this.enlistDuringPrepareRequired = (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None;
this.container = null;
this.pendingOutcome = TransactionStatus.Active;
if (DiagnosticTrace.Information)
{
EnlistmentTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentType.Volatile, enlistmentOptions);
}
}
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();
}
}
}
}
internal OletxVolatileEnlistment(IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions, OletxTransaction oletxTransaction) : base(null, oletxTransaction)
{
this.iEnlistmentNotification = enlistmentNotification;
this.enlistDuringPrepareRequired = (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None;
this.container = null;
this.pendingOutcome = TransactionStatus.Active;
if (DiagnosticTrace.Information)
{
EnlistmentTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentType.Volatile, enlistmentOptions);
}
}
internal void FinishEnlistment()
{
lock (this)
{
if (this.enlistmentShim == null)
{
base.oletxResourceManager.RemoveFromReenlistPending(this);
}
this.iEnlistmentNotification = null;
base.RemoveFromEnlistmentTable();
}
}
internal void InDoubt()
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
if (OletxVolatileEnlistmentState.Prepared == this.state)
{
active = this.state = OletxVolatileEnlistmentState.InDoubt;
iEnlistmentNotification = this.iEnlistmentNotification;
}
else
{
if (OletxVolatileEnlistmentState.Preparing == this.state)
{
this.pendingOutcome = TransactionStatus.InDoubt;
}
active = this.state;
}
}
if (OletxVolatileEnlistmentState.InDoubt == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.InDoubt);
}
iEnlistmentNotification.InDoubt(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if ((OletxVolatileEnlistmentState.Preparing != active) && (OletxVolatileEnlistmentState.Done != active))
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
internal void InDoubt()
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
if (OletxVolatileEnlistmentState.Prepared == this.state)
{
active = this.state = OletxVolatileEnlistmentState.InDoubt;
iEnlistmentNotification = this.iEnlistmentNotification;
}
else
{
if (OletxVolatileEnlistmentState.Preparing == this.state)
{
this.pendingOutcome = TransactionStatus.InDoubt;
}
active = this.state;
}
}
if (OletxVolatileEnlistmentState.InDoubt == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.InDoubt);
}
iEnlistmentNotification.InDoubt(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if ((OletxVolatileEnlistmentState.Preparing != active) && (OletxVolatileEnlistmentState.Done != active))
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
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();
}
internal IPromotedEnlistment EnlistVolatile(IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions)
{
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxTransaction.EnlistVolatile( IEnlistmentNotificationInternal )");
}
if ((this.realOletxTransaction == null) || this.realOletxTransaction.TooLateForEnlistments)
{
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("TooLate"), null);
}
IPromotedEnlistment enlistment = this.realOletxTransaction.EnlistVolatile(enlistmentNotification, enlistmentOptions, this);
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxTransaction.EnlistVolatile( IEnlistmentNotificationInternal )");
}
return(enlistment);
}
internal OletxEnlistment ReenlistTransaction(
Guid resourceManagerIdentifier,
byte[] recoveryInformation,
IEnlistmentNotificationInternal enlistmentNotification
)
{
if (null == recoveryInformation)
{
throw new ArgumentNullException("recoveryInformation");
}
if (null == enlistmentNotification)
{
throw new ArgumentNullException("enlistmentNotification");
}
// Now go find the resource manager in the collection.
OletxResourceManager oletxResourceManager = RegisterResourceManager(resourceManagerIdentifier);
if (null == oletxResourceManager)
{
throw new ArgumentException(SR.GetString(SR.InvalidArgument), "resourceManagerIdentifier");
}
if (oletxResourceManager.RecoveryCompleteCalledByApplication)
{
throw new InvalidOperationException(SR.GetString(SR.ReenlistAfterRecoveryComplete));
}
// Now ask the resource manager to reenlist.
OletxEnlistment returnValue = oletxResourceManager.Reenlist(
recoveryInformation.Length,
recoveryInformation,
enlistmentNotification
);
return(returnValue);
}
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();
}
internal OletxEnlistment EnlistDurable(OletxTransaction oletxTransaction, bool canDoSinglePhase, IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions)
{
IResourceManagerShim resourceManagerShim = null;
IPhase0EnlistmentShim shim2 = null;
IEnlistmentShim enlistmentShim = null;
IntPtr zero = IntPtr.Zero;
bool flag3 = false;
bool flag2 = false;
OletxEnlistment target = new OletxEnlistment(canDoSinglePhase, enlistmentNotification, oletxTransaction.RealTransaction.TxGuid, enlistmentOptions, this, oletxTransaction);
bool flag = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
oletxTransaction.RealTransaction.IncrementUndecidedEnlistments();
flag2 = true;
}
}
lock (target)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
resourceManagerShim = this.ResourceManagerShim;
if (resourceManagerShim == null)
{
throw TransactionManagerCommunicationException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
zero = HandleTable.AllocHandle(target);
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
oletxTransaction.RealTransaction.TransactionShim.Phase0Enlist(zero, out shim2);
flag3 = true;
}
target.Phase0EnlistmentShim = shim2;
}
target.phase1Handle = HandleTable.AllocHandle(target);
resourceManagerShim.Enlist(oletxTransaction.RealTransaction.TransactionShim, target.phase1Handle, out enlistmentShim);
target.EnlistmentShim = enlistmentShim;
}
catch (COMException exception)
{
if (System.Transactions.Oletx.NativeMethods.XACT_E_TOOMANY_ENLISTMENTS == exception.ErrorCode)
{
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("OletxTooManyEnlistments"), exception);
}
OletxTransactionManager.ProxyException(exception);
throw;
}
finally
{
if (target.EnlistmentShim == null)
{
if ((zero != IntPtr.Zero) && !flag3)
{
HandleTable.FreeHandle(zero);
}
if (target.phase1Handle != IntPtr.Zero)
{
HandleTable.FreeHandle(target.phase1Handle);
}
}
}
}
flag = true;
}
finally
{
if ((!flag && ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)) && flag2)
{
oletxTransaction.RealTransaction.DecrementUndecidedEnlistments();
}
}
return(target);
}
internal IPromotedEnlistment CommonEnlistVolatile(IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions, OletxTransaction oletxTransaction)
{
OletxVolatileEnlistment enlistment = null;
bool flag2 = false;
bool flag = false;
OletxPhase0VolatileEnlistmentContainer target = null;
OletxPhase1VolatileEnlistmentContainer container = null;
IntPtr zero = IntPtr.Zero;
IVoterBallotShim voterBallotShim = null;
IPhase0EnlistmentShim shim = null;
bool flag3 = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
lock (this)
{
enlistment = new OletxVolatileEnlistment(enlistmentNotification, enlistmentOptions, oletxTransaction);
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
if (this.phase0EnlistVolatilementContainerList == null)
{
this.phase0EnlistVolatilementContainerList = new ArrayList(1);
}
if (this.phase0EnlistVolatilementContainerList.Count == 0)
{
target = new OletxPhase0VolatileEnlistmentContainer(this);
flag = true;
}
else
{
target = this.phase0EnlistVolatilementContainerList[this.phase0EnlistVolatilementContainerList.Count - 1] as OletxPhase0VolatileEnlistmentContainer;
if (!target.NewEnlistmentsAllowed)
{
target = new OletxPhase0VolatileEnlistmentContainer(this);
flag = true;
}
else
{
flag = false;
}
}
if (flag)
{
zero = HandleTable.AllocHandle(target);
}
}
else if (this.phase1EnlistVolatilementContainer == null)
{
flag2 = true;
container = new OletxPhase1VolatileEnlistmentContainer(this)
{
voterHandle = HandleTable.AllocHandle(container)
};
}
else
{
flag2 = false;
container = this.phase1EnlistVolatilementContainer;
}
try
{
if (flag)
{
lock (target)
{
this.transactionShim.Phase0Enlist(zero, out shim);
target.Phase0EnlistmentShim = shim;
}
}
if (flag2)
{
this.transactionShim.CreateVoter(container.voterHandle, out voterBallotShim);
flag3 = true;
container.VoterBallotShim = voterBallotShim;
}
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
target.AddEnlistment(enlistment);
if (flag)
{
this.phase0EnlistVolatilementContainerList.Add(target);
}
return(enlistment);
}
container.AddEnlistment(enlistment);
if (flag2)
{
this.phase1EnlistVolatilementContainer = container;
}
return(enlistment);
}
catch (COMException exception)
{
OletxTransactionManager.ProxyException(exception);
throw;
}
return(enlistment);
}
}
finally
{
if ((zero != IntPtr.Zero) && (target.Phase0EnlistmentShim == null))
{
HandleTable.FreeHandle(zero);
}
if ((!flag3 && (container != null)) && ((container.voterHandle != IntPtr.Zero) && flag2))
{
HandleTable.FreeHandle(container.voterHandle);
}
}
return(enlistment);
}
internal void Prepare(OletxVolatileEnlistmentContainer container)
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
iEnlistmentNotification = this.iEnlistmentNotification;
if (this.state == OletxVolatileEnlistmentState.Active)
{
active = this.state = OletxVolatileEnlistmentState.Preparing;
}
else
{
active = this.state;
}
this.container = container;
}
if (OletxVolatileEnlistmentState.Preparing == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Prepare);
}
iEnlistmentNotification.Prepare(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if (OletxVolatileEnlistmentState.Done == active)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Prepared == active) && this.enlistDuringPrepareRequired)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Aborting == active) || (OletxVolatileEnlistmentState.Aborted == active))
{
container.DecrementOutstandingNotifications(false);
}
else
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
internal void FinishEnlistment()
{
lock ( this )
{
// If we don't have a wrappedTransactionEnlistmentAsync, we may
// need to remove ourselves from the reenlistPendingList in the
// resource manager.
if ( null == this.enlistmentShim )
{
oletxResourceManager.RemoveFromReenlistPending( this );
}
this.iEnlistmentNotification = null;
RemoveFromEnlistmentTable();
}
}
internal OletxVolatileEnlistment(
IEnlistmentNotificationInternal enlistmentNotification,
EnlistmentOptions enlistmentOptions,
OletxTransaction oletxTransaction
) : base( null, oletxTransaction )
{
this.iEnlistmentNotification = enlistmentNotification;
this.enlistDuringPrepareRequired = (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0;
// We get a container when we are asked to vote.
this.container = null;
pendingOutcome = TransactionStatus.Active;
if ( DiagnosticTrace.Information )
{
EnlistmentTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentType.Volatile,
enlistmentOptions
);
}
}
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 IPromotedEnlistment EnlistVolatile(IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions, OletxTransaction oletxTransaction)
{
return this.CommonEnlistVolatile(enlistmentNotification, enlistmentOptions, oletxTransaction);
}
internal OletxEnlistment ReenlistTransaction(
Guid resourceManagerIdentifier,
byte[] recoveryInformation,
IEnlistmentNotificationInternal enlistmentNotification
)
{
if ( null == recoveryInformation )
{
throw new ArgumentNullException( "recoveryInformation" );
}
if ( null == enlistmentNotification )
{
throw new ArgumentNullException( "enlistmentNotification" );
}
// Now go find the resource manager in the collection.
OletxResourceManager oletxResourceManager = RegisterResourceManager( resourceManagerIdentifier );
if ( null == oletxResourceManager )
{
throw new ArgumentException( SR.GetString( SR.InvalidArgument ), "resourceManagerIdentifier" );
}
if ( oletxResourceManager.RecoveryCompleteCalledByApplication )
{
throw new InvalidOperationException( SR.GetString( SR.ReenlistAfterRecoveryComplete ));
}
// Now ask the resource manager to reenlist.
OletxEnlistment returnValue = oletxResourceManager.Reenlist(
recoveryInformation.Length,
recoveryInformation,
enlistmentNotification
);
return returnValue;
}
internal IPromotedEnlistment CommonEnlistVolatile(
IEnlistmentNotificationInternal enlistmentNotification,
EnlistmentOptions enlistmentOptions,
OletxTransaction oletxTransaction
)
{
OletxVolatileEnlistment enlistment = null;
bool needVoterEnlistment = false;
bool needPhase0Enlistment = false;
OletxPhase0VolatileEnlistmentContainer localPhase0VolatileContainer = null;
OletxPhase1VolatileEnlistmentContainer localPhase1VolatileContainer = null;
IntPtr phase0Handle = IntPtr.Zero;
IVoterBallotShim voterShim = null;
IPhase0EnlistmentShim phase0Shim = null;
bool enlistmentSucceeded = false;
// Yes, we are talking to the proxy while holding the lock on the RealOletxTransaction.
// If we don't then things get real sticky with other threads allocating containers.
// We only do this the first time we get a depenent clone of a given type (delay vs. non-delay).
// After that, we don't create a new container, except for Phase0 if we need to create one
// for a second wave.
RuntimeHelpers.PrepareConstrainedRegions();
try
{
lock ( this )
{
enlistment = new OletxVolatileEnlistment(
enlistmentNotification,
enlistmentOptions,
oletxTransaction
);
if ( (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0 )
{
if ( null == this.phase0EnlistVolatilementContainerList )
{
// Not using a MemoryBarrier because all access to this member variable is done when holding
// a lock on the object.
this.phase0EnlistVolatilementContainerList = new ArrayList(1);
}
// We may have failed the proxy enlistment for the first container, but we would have
// allocated the list. That is why we have this check here.
if ( 0 == this.phase0EnlistVolatilementContainerList.Count )
{
localPhase0VolatileContainer = new OletxPhase0VolatileEnlistmentContainer( this );
needPhase0Enlistment = true;
}
else
{
localPhase0VolatileContainer = this.phase0EnlistVolatilementContainerList[this.phase0EnlistVolatilementContainerList.Count - 1] as OletxPhase0VolatileEnlistmentContainer;
if ( ! localPhase0VolatileContainer.NewEnlistmentsAllowed )
{
localPhase0VolatileContainer = new OletxPhase0VolatileEnlistmentContainer( this );
needPhase0Enlistment = true;
}
else
{
needPhase0Enlistment = false;
}
}
if ( needPhase0Enlistment )
{
// We need to create a VoterNotifyShim if native threads are not allowed to enter managed code.
phase0Handle = HandleTable.AllocHandle( localPhase0VolatileContainer );
}
}
else // not EDPR = TRUE - may need a voter...
{
if ( null == this.phase1EnlistVolatilementContainer )
{
needVoterEnlistment = true;
localPhase1VolatileContainer = new OletxPhase1VolatileEnlistmentContainer( this );
// We need to create a VoterNotifyShim.
localPhase1VolatileContainer.voterHandle =
HandleTable.AllocHandle( localPhase1VolatileContainer );
}
else
{
needVoterEnlistment = false;
localPhase1VolatileContainer = this.phase1EnlistVolatilementContainer;
}
}
try
{
// If enlistDuringPrepareRequired is true, we need to ask the proxy to create a Phase0 enlistment.
if ( needPhase0Enlistment )
{
lock ( localPhase0VolatileContainer )
{
transactionShim.Phase0Enlist(
phase0Handle,
out phase0Shim );
localPhase0VolatileContainer.Phase0EnlistmentShim = phase0Shim;
}
}
if ( needVoterEnlistment )
{
this.transactionShim.CreateVoter(
localPhase1VolatileContainer.voterHandle,
out voterShim );
enlistmentSucceeded = true;
localPhase1VolatileContainer.VoterBallotShim = voterShim;
}
if ( (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0 )
{
localPhase0VolatileContainer.AddEnlistment(
enlistment
);
if ( needPhase0Enlistment )
{
this.phase0EnlistVolatilementContainerList.Add( localPhase0VolatileContainer );
}
}
else
{
localPhase1VolatileContainer.AddEnlistment(
enlistment
);
if ( needVoterEnlistment )
{
Debug.Assert( ( null == this.phase1EnlistVolatilementContainer ),
"RealOletxTransaction.CommonEnlistVolatile - phase1VolContainer not null when expected." );
this.phase1EnlistVolatilementContainer = localPhase1VolatileContainer;
}
}
}
catch (COMException comException)
{
OletxTransactionManager.ProxyException( comException );
throw;
}
}
}
finally
{
if ( phase0Handle != IntPtr.Zero && localPhase0VolatileContainer.Phase0EnlistmentShim == null )
{
HandleTable.FreeHandle( phase0Handle );
}
if ( !enlistmentSucceeded &&
null != localPhase1VolatileContainer &&
localPhase1VolatileContainer.voterHandle != IntPtr.Zero &&
needVoterEnlistment )
{
HandleTable.FreeHandle( localPhase1VolatileContainer.voterHandle );
}
}
return enlistment;
}
internal OletxEnlistment(
IEnlistmentNotificationInternal enlistmentNotification,
OletxTransactionStatus xactStatus,
byte[] prepareInfoByteArray,
OletxResourceManager oletxResourceManager)
: base(oletxResourceManager, null)
{
// This will get set later by the creator of this object after it
// has enlisted with the proxy.
EnlistmentShim = null;
_phase0Shim = null;
_canDoSinglePhase = false;
_iEnlistmentNotification = enlistmentNotification;
State = OletxEnlistmentState.Active;
// Do this before we do any tracing because it will affect the trace identifiers that we generate.
Debug.Assert(prepareInfoByteArray != null,
"OletxEnlistment.ctor - null oletxTransaction without a prepareInfoByteArray");
int prepareInfoLength = prepareInfoByteArray.Length;
_proxyPrepareInfoByteArray = new byte[prepareInfoLength];
Array.Copy(prepareInfoByteArray, _proxyPrepareInfoByteArray, prepareInfoLength);
byte[] txGuidByteArray = new byte[16];
Array.Copy(_proxyPrepareInfoByteArray, txGuidByteArray, 16);
_transactionGuid = new Guid(txGuidByteArray);
TransactionGuidString = _transactionGuid.ToString();
TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;
// 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:
{
State = OletxEnlistmentState.Aborting;
if (etwLog.IsEnabled())
{
etwLog.EnlistmentStatus(TraceSourceType.TraceSourceOleTx, InternalTraceIdentifier, NotificationCall.Rollback);
}
_iEnlistmentNotification.Rollback(this);
break;
}
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED:
{
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 (etwLog.IsEnabled())
{
etwLog.EnlistmentStatus(TraceSourceType.TraceSourceOleTx, InternalTraceIdentifier, NotificationCall.Commit);
}
_iEnlistmentNotification.Commit(this);
break;
}
case OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED:
{
State = OletxEnlistmentState.Prepared;
lock (oletxResourceManager.ReenlistList)
{
oletxResourceManager.ReenlistList.Add(this);
oletxResourceManager.StartReenlistThread();
}
break;
}
default:
{
if (etwLog.IsEnabled())
{
etwLog.InternalError(SR.OletxEnlistmentUnexpectedTransactionStatus);
}
throw TransactionException.Create(
SR.OletxEnlistmentUnexpectedTransactionStatus, null, DistributedTxId);
}
}
if (etwLog.IsEnabled())
{
etwLog.EnlistmentCreated(TraceSourceType.TraceSourceOleTx, InternalTraceIdentifier, EnlistmentType.Durable, EnlistmentOptions.None);
}
// Always do this last in case anything prior to this fails.
AddToEnlistmentTable();
}
internal OletxEnlistment EnlistDurable(
OletxTransaction oletxTransaction,
bool canDoSinglePhase,
IEnlistmentNotificationInternal enlistmentNotification,
EnlistmentOptions enlistmentOptions
)
{
IResourceManagerShim localResourceManagerShim = null;
Debug.Assert( null != oletxTransaction, "Argument is null" );
Debug.Assert( null != enlistmentNotification, "Argument is null" );
IEnlistmentShim enlistmentShim = null;
IPhase0EnlistmentShim phase0Shim = null;
Guid txUow = Guid.Empty;
IntPtr handlePhase0 = IntPtr.Zero;
bool phase0EnlistSucceeded = false;
bool undecidedEnlistmentsIncremented = false;
// Create our enlistment object.
OletxEnlistment enlistment = new OletxEnlistment(
canDoSinglePhase,
enlistmentNotification,
oletxTransaction.RealTransaction.TxGuid,
enlistmentOptions,
this,
oletxTransaction
);
bool enlistmentSucceeded = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
if ( (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0 )
{
RuntimeHelpers.PrepareConstrainedRegions();
try { }
finally
{
oletxTransaction.RealTransaction.IncrementUndecidedEnlistments();
undecidedEnlistmentsIncremented = true;
}
}
// This entire sequense needs to be executed before we can go on.
lock ( enlistment )
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
// Do the enlistment on the proxy.
localResourceManagerShim = this.ResourceManagerShim;
if ( null == localResourceManagerShim )
{
// The TM must be down. Throw the appropriate exception.
throw TransactionManagerCommunicationException.Create( SR.GetString( SR.TraceSourceOletx), null );
}
if ( (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0 )
{
// We need to create an EnlistmentNotifyShim if native threads are not allowed to enter managed code.
handlePhase0 = HandleTable.AllocHandle( enlistment );
RuntimeHelpers.PrepareConstrainedRegions();
try { }
finally
{
oletxTransaction.RealTransaction.TransactionShim.Phase0Enlist(
handlePhase0,
out phase0Shim );
phase0EnlistSucceeded = true;
}
enlistment.Phase0EnlistmentShim = phase0Shim;
}
enlistment.phase1Handle = HandleTable.AllocHandle( enlistment );
localResourceManagerShim.Enlist(
oletxTransaction.RealTransaction.TransactionShim,
enlistment.phase1Handle,
out enlistmentShim );
enlistment.EnlistmentShim = enlistmentShim;
}
catch (COMException comException)
{
// There is no string mapping for XACT_E_TOOMANY_ENLISTMENTS, so we need to do it here.
if ( NativeMethods.XACT_E_TOOMANY_ENLISTMENTS == comException.ErrorCode )
{
throw TransactionException.Create(
SR.GetString( SR.TraceSourceOletx ),
SR.GetString( SR.OletxTooManyEnlistments ),
comException );
}
OletxTransactionManager.ProxyException( comException );
throw;
}
finally
{
if ( enlistment.EnlistmentShim == null )
{
// If the enlistment shim was never assigned then something blew up.
// Perform some cleanup.
if ( handlePhase0 != IntPtr.Zero && !phase0EnlistSucceeded )
{
// Only clean up the phase0 handle if the phase 0 enlistment did not succeed.
// This is because the notification processing code expects it to exist.
HandleTable.FreeHandle( handlePhase0 );
}
if ( enlistment.phase1Handle != IntPtr.Zero )
{
HandleTable.FreeHandle( enlistment.phase1Handle );
}
// Note this code used to call unenlist however this allows race conditions where
// it is unclear if the handlePhase0 should be freed or not. The notification
// thread should get a phase0Request and it will free the Handle at that point.
}
}
}
enlistmentSucceeded = true;
}
finally
{
if ( !enlistmentSucceeded &&
((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0) &&
undecidedEnlistmentsIncremented )
{
oletxTransaction.RealTransaction.DecrementUndecidedEnlistments();
}
}
return enlistment;
}
internal OletxEnlistment Reenlist(
int prepareInfoLength,
byte[] prepareInfo,
IEnlistmentNotificationInternal enlistmentNotification
)
{
OletxTransactionOutcome outcome = OletxTransactionOutcome.NotKnownYet;
OletxTransactionStatus xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_NONE;
// Put the recovery information into a stream.
MemoryStream stream = new MemoryStream( prepareInfo );
// First extract the OletxRecoveryInformation from the stream.
IFormatter formatter = new BinaryFormatter();
OletxRecoveryInformation oletxRecoveryInformation;
try
{
oletxRecoveryInformation = formatter.Deserialize( stream ) as OletxRecoveryInformation;
}
catch (SerializationException se)
{
throw new ArgumentException( SR.GetString( SR.InvalidArgument ), "prepareInfo", se );
}
if ( null == oletxRecoveryInformation )
{
throw new ArgumentException( SR.GetString( SR.InvalidArgument ), "prepareInfo" );
}
// Verify that the resource manager guid in the recovery info matches that of the calling resource manager.
byte[] rmGuidArray = new byte[16];
for ( int i = 0; i < 16; i++ )
{
rmGuidArray[i] = oletxRecoveryInformation.proxyRecoveryInformation[i + 16];
}
Guid rmGuid = new Guid( rmGuidArray );
if ( rmGuid != this.resourceManagerIdentifier )
{
throw TransactionException.Create( SR.GetString( SR.TraceSourceOletx ), SR.GetString( SR.ResourceManagerIdDoesNotMatchRecoveryInformation ), null );
}
// Ask the proxy resource manager to reenlist.
IResourceManagerShim localResourceManagerShim = null;
try
{
localResourceManagerShim = this.ResourceManagerShim;
if ( null == localResourceManagerShim )
{
// The TM must be down. Throw the exception that will get caught below and will cause
// the enlistment to start the ReenlistThread. The TMDown thread will be trying to reestablish
// connection with the TM and will start the reenlist thread when it does.
throw new COMException( SR.GetString( SR.DtcTransactionManagerUnavailable ), NativeMethods.XACT_E_CONNECTION_DOWN );
}
// Only wait for 5 milliseconds. If the TM doesn't have the outcome now, we will
// put the enlistment on the reenlistList for later processing.
localResourceManagerShim.Reenlist(
Convert.ToUInt32( oletxRecoveryInformation.proxyRecoveryInformation.Length, CultureInfo.InvariantCulture ),
oletxRecoveryInformation.proxyRecoveryInformation,
out outcome
);
if ( OletxTransactionOutcome.Committed == outcome )
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED;
}
else if ( OletxTransactionOutcome.Aborted == outcome )
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_ABORTED;
}
else // we must not know the outcome yet.
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
StartReenlistThread();
}
}
catch ( COMException ex )
{
if ( NativeMethods.XACT_E_CONNECTION_DOWN == ex.ErrorCode )
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
this.ResourceManagerShim = null;
StartReenlistThread();
if ( DiagnosticTrace.Verbose )
{
ExceptionConsumedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
ex );
}
}
else
{
throw;
}
}
finally
{
localResourceManagerShim = null;
}
// Now create our enlistment to tell the client the outcome.
OletxEnlistment enlistment = new OletxEnlistment(
enlistmentNotification,
xactStatus,
oletxRecoveryInformation.proxyRecoveryInformation,
this
);
return enlistment;
}
internal OletxEnlistment Reenlist(int prepareInfoLength, byte[] prepareInfo, IEnlistmentNotificationInternal enlistmentNotification)
{
OletxRecoveryInformation information;
OletxTransactionOutcome notKnownYet = OletxTransactionOutcome.NotKnownYet;
OletxTransactionStatus xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_NONE;
MemoryStream serializationStream = new MemoryStream(prepareInfo);
IFormatter formatter = new BinaryFormatter();
try
{
information = formatter.Deserialize(serializationStream) as OletxRecoveryInformation;
}
catch (SerializationException exception2)
{
throw new ArgumentException(System.Transactions.SR.GetString("InvalidArgument"), "prepareInfo", exception2);
}
if (information == null)
{
throw new ArgumentException(System.Transactions.SR.GetString("InvalidArgument"), "prepareInfo");
}
byte[] b = new byte[0x10];
for (int i = 0; i < 0x10; i++)
{
b[i] = information.proxyRecoveryInformation[i + 0x10];
}
Guid guid = new Guid(b);
if (guid != this.resourceManagerIdentifier)
{
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("ResourceManagerIdDoesNotMatchRecoveryInformation"), null);
}
IResourceManagerShim resourceManagerShim = null;
try
{
resourceManagerShim = this.ResourceManagerShim;
if (resourceManagerShim == null)
{
throw new COMException(System.Transactions.SR.GetString("DtcTransactionManagerUnavailable"), System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN);
}
resourceManagerShim.Reenlist(Convert.ToUInt32(information.proxyRecoveryInformation.Length, CultureInfo.InvariantCulture), information.proxyRecoveryInformation, out notKnownYet);
if (OletxTransactionOutcome.Committed == notKnownYet)
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED;
}
else if (OletxTransactionOutcome.Aborted == notKnownYet)
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_ABORTED;
}
else
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
this.StartReenlistThread();
}
}
catch (COMException exception)
{
if (System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN != exception.ErrorCode)
{
throw;
}
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
this.ResourceManagerShim = null;
this.StartReenlistThread();
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
resourceManagerShim = null;
}
return(new OletxEnlistment(enlistmentNotification, xactStatus, information.proxyRecoveryInformation, this));
}
internal OletxEnlistment ReenlistTransaction(Guid resourceManagerIdentifier, byte[] recoveryInformation, IEnlistmentNotificationInternal enlistmentNotification)
{
if (recoveryInformation == null)
{
throw new ArgumentNullException("recoveryInformation");
}
if (enlistmentNotification == null)
{
throw new ArgumentNullException("enlistmentNotification");
}
OletxResourceManager manager = this.RegisterResourceManager(resourceManagerIdentifier);
if (manager == null)
{
throw new ArgumentException(System.Transactions.SR.GetString("InvalidArgument"), "resourceManagerIdentifier");
}
if (manager.RecoveryCompleteCalledByApplication)
{
throw new InvalidOperationException(System.Transactions.SR.GetString("ReenlistAfterRecoveryComplete"));
}
return manager.Reenlist(recoveryInformation.Length, recoveryInformation, enlistmentNotification);
}
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");
}
}
internal OletxEnlistment Reenlist(byte[] prepareInfo, IEnlistmentNotificationInternal enlistmentNotification)
{
OletxTransactionOutcome outcome = OletxTransactionOutcome.NotKnownYet;
OletxTransactionStatus xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_NONE;
if (prepareInfo == null)
{
throw new ArgumentException(SR.InvalidArgument, nameof(prepareInfo));
}
// Verify that the resource manager guid in the recovery info matches that of the calling resource manager.
byte[] rmGuidArray = new byte[16];
for (int i = 0; i < 16; i++)
{
rmGuidArray[i] = prepareInfo[i + 16];
}
Guid rmGuid = new(rmGuidArray);
if (rmGuid != ResourceManagerIdentifier)
{
throw TransactionException.Create(TraceSourceType.TraceSourceOleTx, SR.ResourceManagerIdDoesNotMatchRecoveryInformation, null);
}
// Ask the proxy resource manager to reenlist.
ResourceManagerShim?localResourceManagerShim = null;
try
{
localResourceManagerShim = ResourceManagerShim;
if (localResourceManagerShim == null)
{
// The TM must be down. Throw the exception that will get caught below and will cause
// the enlistment to start the ReenlistThread. The TMDown thread will be trying to reestablish
// connection with the TM and will start the reenlist thread when it does.
throw new COMException(SR.DtcTransactionManagerUnavailable, OletxHelper.XACT_E_CONNECTION_DOWN);
}
// Only wait for 5 milliseconds. If the TM doesn't have the outcome now, we will
// put the enlistment on the reenlistList for later processing.
localResourceManagerShim.Reenlist(prepareInfo, out outcome);
if (OletxTransactionOutcome.Committed == outcome)
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED;
}
else if (OletxTransactionOutcome.Aborted == outcome)
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_ABORTED;
}
else // we must not know the outcome yet.
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
StartReenlistThread();
}
}
catch (COMException ex) when(ex.ErrorCode == OletxHelper.XACT_E_CONNECTION_DOWN)
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
ResourceManagerShim = null;
StartReenlistThread();
TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;
if (etwLog.IsEnabled())
{
etwLog.ExceptionConsumed(TraceSourceType.TraceSourceOleTx, ex);
}
}
finally
{
localResourceManagerShim = null;
}
// Now create our enlistment to tell the client the outcome.
return(new OletxEnlistment(enlistmentNotification, xactStatus, prepareInfo, this));
}
internal OletxEnlistment EnlistDurable(OletxTransaction oletxTransaction, bool canDoSinglePhase, IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions)
{
IResourceManagerShim resourceManagerShim = null;
IPhase0EnlistmentShim shim2 = null;
IEnlistmentShim enlistmentShim = null;
IntPtr zero = IntPtr.Zero;
bool flag3 = false;
bool flag2 = false;
OletxEnlistment target = new OletxEnlistment(canDoSinglePhase, enlistmentNotification, oletxTransaction.RealTransaction.TxGuid, enlistmentOptions, this, oletxTransaction);
bool flag = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
oletxTransaction.RealTransaction.IncrementUndecidedEnlistments();
flag2 = true;
}
}
lock (target)
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
resourceManagerShim = this.ResourceManagerShim;
if (resourceManagerShim == null)
{
throw TransactionManagerCommunicationException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
zero = HandleTable.AllocHandle(target);
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
oletxTransaction.RealTransaction.TransactionShim.Phase0Enlist(zero, out shim2);
flag3 = true;
}
target.Phase0EnlistmentShim = shim2;
}
target.phase1Handle = HandleTable.AllocHandle(target);
resourceManagerShim.Enlist(oletxTransaction.RealTransaction.TransactionShim, target.phase1Handle, out enlistmentShim);
target.EnlistmentShim = enlistmentShim;
}
catch (COMException exception)
{
if (System.Transactions.Oletx.NativeMethods.XACT_E_TOOMANY_ENLISTMENTS == exception.ErrorCode)
{
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("OletxTooManyEnlistments"), exception);
}
OletxTransactionManager.ProxyException(exception);
throw;
}
finally
{
if (target.EnlistmentShim == null)
{
if ((zero != IntPtr.Zero) && !flag3)
{
HandleTable.FreeHandle(zero);
}
if (target.phase1Handle != IntPtr.Zero)
{
HandleTable.FreeHandle(target.phase1Handle);
}
}
}
}
flag = true;
}
finally
{
if ((!flag && ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)) && flag2)
{
oletxTransaction.RealTransaction.DecrementUndecidedEnlistments();
}
}
return target;
}
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");
}
}
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 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 Reenlist(int prepareInfoLength, byte[] prepareInfo, IEnlistmentNotificationInternal enlistmentNotification)
{
OletxRecoveryInformation information;
OletxTransactionOutcome notKnownYet = OletxTransactionOutcome.NotKnownYet;
OletxTransactionStatus xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_NONE;
MemoryStream serializationStream = new MemoryStream(prepareInfo);
IFormatter formatter = new BinaryFormatter();
try
{
information = formatter.Deserialize(serializationStream) as OletxRecoveryInformation;
}
catch (SerializationException exception2)
{
throw new ArgumentException(System.Transactions.SR.GetString("InvalidArgument"), "prepareInfo", exception2);
}
if (information == null)
{
throw new ArgumentException(System.Transactions.SR.GetString("InvalidArgument"), "prepareInfo");
}
byte[] b = new byte[0x10];
for (int i = 0; i < 0x10; i++)
{
b[i] = information.proxyRecoveryInformation[i + 0x10];
}
Guid guid = new Guid(b);
if (guid != this.resourceManagerIdentifier)
{
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("ResourceManagerIdDoesNotMatchRecoveryInformation"), null);
}
IResourceManagerShim resourceManagerShim = null;
try
{
resourceManagerShim = this.ResourceManagerShim;
if (resourceManagerShim == null)
{
throw new COMException(System.Transactions.SR.GetString("DtcTransactionManagerUnavailable"), System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN);
}
resourceManagerShim.Reenlist(Convert.ToUInt32(information.proxyRecoveryInformation.Length, CultureInfo.InvariantCulture), information.proxyRecoveryInformation, out notKnownYet);
if (OletxTransactionOutcome.Committed == notKnownYet)
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_COMMITTED;
}
else if (OletxTransactionOutcome.Aborted == notKnownYet)
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_ABORTED;
}
else
{
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
this.StartReenlistThread();
}
}
catch (COMException exception)
{
if (System.Transactions.Oletx.NativeMethods.XACT_E_CONNECTION_DOWN != exception.ErrorCode)
{
throw;
}
xactStatus = OletxTransactionStatus.OLETX_TRANSACTION_STATUS_PREPARED;
this.ResourceManagerShim = null;
this.StartReenlistThread();
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
finally
{
resourceManagerShim = null;
}
return new OletxEnlistment(enlistmentNotification, xactStatus, information.proxyRecoveryInformation, this);
}
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();
}
internal IPromotedEnlistment EnlistVolatile(
IEnlistmentNotificationInternal enlistmentNotification,
EnlistmentOptions enlistmentOptions
)
{
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxTransaction.EnlistVolatile( IEnlistmentNotificationInternal )"
);
}
Debug.Assert( null != enlistmentNotification, "Argument is null" );
Debug.Assert( ( 0 == this.disposed ), "OletxTransction object is disposed" );
if ( this.realOletxTransaction == null || this.realOletxTransaction.TooLateForEnlistments )
{
throw TransactionException.Create(SR.GetString(SR.TraceSourceOletx),
SR.GetString(SR.TooLate), null, this.DistributedTxId);
}
IPromotedEnlistment enlistment = realOletxTransaction.EnlistVolatile(
enlistmentNotification,
enlistmentOptions,
this
);
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxTransaction.EnlistVolatile( IEnlistmentNotificationInternal )"
);
}
return enlistment;
}
internal IPromotedEnlistment EnlistVolatile(IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions, OletxTransaction oletxTransaction)
{
return(this.CommonEnlistVolatile(enlistmentNotification, enlistmentOptions, oletxTransaction));
}
internal IPromotedEnlistment CommonEnlistVolatile(IEnlistmentNotificationInternal enlistmentNotification, EnlistmentOptions enlistmentOptions, OletxTransaction oletxTransaction)
{
OletxVolatileEnlistment enlistment = null;
bool flag2 = false;
bool flag = false;
OletxPhase0VolatileEnlistmentContainer target = null;
OletxPhase1VolatileEnlistmentContainer container = null;
IntPtr zero = IntPtr.Zero;
IVoterBallotShim voterBallotShim = null;
IPhase0EnlistmentShim shim = null;
bool flag3 = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
lock (this)
{
enlistment = new OletxVolatileEnlistment(enlistmentNotification, enlistmentOptions, oletxTransaction);
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
if (this.phase0EnlistVolatilementContainerList == null)
{
this.phase0EnlistVolatilementContainerList = new ArrayList(1);
}
if (this.phase0EnlistVolatilementContainerList.Count == 0)
{
target = new OletxPhase0VolatileEnlistmentContainer(this);
flag = true;
}
else
{
target = this.phase0EnlistVolatilementContainerList[this.phase0EnlistVolatilementContainerList.Count - 1] as OletxPhase0VolatileEnlistmentContainer;
if (!target.NewEnlistmentsAllowed)
{
target = new OletxPhase0VolatileEnlistmentContainer(this);
flag = true;
}
else
{
flag = false;
}
}
if (flag)
{
zero = HandleTable.AllocHandle(target);
}
}
else if (this.phase1EnlistVolatilementContainer == null)
{
flag2 = true;
container = new OletxPhase1VolatileEnlistmentContainer(this) {
voterHandle = HandleTable.AllocHandle(container)
};
}
else
{
flag2 = false;
container = this.phase1EnlistVolatilementContainer;
}
try
{
if (flag)
{
lock (target)
{
this.transactionShim.Phase0Enlist(zero, out shim);
target.Phase0EnlistmentShim = shim;
}
}
if (flag2)
{
this.transactionShim.CreateVoter(container.voterHandle, out voterBallotShim);
flag3 = true;
container.VoterBallotShim = voterBallotShim;
}
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != EnlistmentOptions.None)
{
target.AddEnlistment(enlistment);
if (flag)
{
this.phase0EnlistVolatilementContainerList.Add(target);
}
return enlistment;
}
container.AddEnlistment(enlistment);
if (flag2)
{
this.phase1EnlistVolatilementContainer = container;
}
return enlistment;
}
catch (COMException exception)
{
OletxTransactionManager.ProxyException(exception);
throw;
}
return enlistment;
}
}
finally
{
if ((zero != IntPtr.Zero) && (target.Phase0EnlistmentShim == null))
{
HandleTable.FreeHandle(zero);
}
if ((!flag3 && (container != null)) && ((container.voterHandle != IntPtr.Zero) && flag2))
{
HandleTable.FreeHandle(container.voterHandle);
}
}
return enlistment;
}
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();
}
}
}
}
internal OletxEnlistment ReenlistTransaction(Guid resourceManagerIdentifier, byte[] recoveryInformation, IEnlistmentNotificationInternal enlistmentNotification)
{
if (recoveryInformation == null)
{
throw new ArgumentNullException("recoveryInformation");
}
if (enlistmentNotification == null)
{
throw new ArgumentNullException("enlistmentNotification");
}
OletxResourceManager manager = this.RegisterResourceManager(resourceManagerIdentifier);
if (manager == null)
{
throw new ArgumentException(System.Transactions.SR.GetString("InvalidArgument"), "resourceManagerIdentifier");
}
if (manager.RecoveryCompleteCalledByApplication)
{
throw new InvalidOperationException(System.Transactions.SR.GetString("ReenlistAfterRecoveryComplete"));
}
return(manager.Reenlist(recoveryInformation.Length, recoveryInformation, enlistmentNotification));
}
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();
}
internal void FinishEnlistment()
{
lock (this)
{
if (this.enlistmentShim == null)
{
base.oletxResourceManager.RemoveFromReenlistPending(this);
}
this.iEnlistmentNotification = null;
base.RemoveFromEnlistmentTable();
}
}
internal OletxEnlistment EnlistDurable(
OletxTransaction oletxTransaction,
bool canDoSinglePhase,
IEnlistmentNotificationInternal enlistmentNotification,
EnlistmentOptions enlistmentOptions)
{
ResourceManagerShim?localResourceManagerShim;
Debug.Assert(oletxTransaction != null, "Argument is null");
Debug.Assert(enlistmentNotification != null, "Argument is null");
EnlistmentShim enlistmentShim;
Phase0EnlistmentShim phase0Shim;
Guid txUow = Guid.Empty;
bool undecidedEnlistmentsIncremented = false;
// Create our enlistment object.
OletxEnlistment enlistment = new(
canDoSinglePhase,
enlistmentNotification,
oletxTransaction.RealTransaction.TxGuid,
enlistmentOptions,
this,
oletxTransaction);
bool enlistmentSucceeded = false;
try
{
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0)
{
oletxTransaction.RealTransaction.IncrementUndecidedEnlistments();
undecidedEnlistmentsIncremented = true;
}
// This entire sequence needs to be executed before we can go on.
lock (enlistment)
{
try
{
// Do the enlistment on the proxy.
localResourceManagerShim = ResourceManagerShim;
if (localResourceManagerShim == null)
{
// The TM must be down. Throw the appropriate exception.
throw TransactionManagerCommunicationException.Create(SR.TraceSourceOletx, null);
}
if ((enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0)
{
oletxTransaction.RealTransaction.TransactionShim.Phase0Enlist(enlistment, out phase0Shim);
enlistment.Phase0EnlistmentShim = phase0Shim;
}
localResourceManagerShim.Enlist(oletxTransaction.RealTransaction.TransactionShim, enlistment, out enlistmentShim);
enlistment.EnlistmentShim = enlistmentShim;
}
catch (COMException comException)
{
// There is no string mapping for XACT_E_TOOMANY_ENLISTMENTS, so we need to do it here.
if (comException.ErrorCode == OletxHelper.XACT_E_TOOMANY_ENLISTMENTS)
{
throw TransactionException.Create(
SR.OletxTooManyEnlistments,
comException,
enlistment == null ? Guid.Empty : enlistment.DistributedTxId);
}
OletxTransactionManager.ProxyException(comException);
throw;
}
}
enlistmentSucceeded = true;
}
finally
{
if (!enlistmentSucceeded &&
(enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0 &&
undecidedEnlistmentsIncremented)
{
oletxTransaction.RealTransaction.DecrementUndecidedEnlistments();
}
}
return(enlistment);
}
