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();
}
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(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(
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 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 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));
}
