internal void VoteRequest()
{
OletxVolatileEnlistment enlistment = null;
int count = 0;
bool flag = false;
lock (this)
{
if (DiagnosticTrace.Verbose)
{
string methodName = "OletxPhase1VolatileEnlistmentContainer.VoteRequest";
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), methodName);
}
base.phase = 1;
if (0 < base.incompleteDependentClones)
{
flag = true;
base.outstandingNotifications = 1;
}
else
{
base.outstandingNotifications = base.enlistmentList.Count;
count = base.enlistmentList.Count;
if (count == 0)
{
base.outstandingNotifications = 1;
}
}
base.realOletxTransaction.TooLateForEnlistments = true;
}
if (flag)
{
this.DecrementOutstandingNotifications(false);
}
else if (count == 0)
{
this.DecrementOutstandingNotifications(true);
}
else
{
for (int i = 0; i < count; i++)
{
enlistment = base.enlistmentList[i] as OletxVolatileEnlistment;
if (enlistment == null)
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
enlistment.Prepare(this);
}
}
if (DiagnosticTrace.Verbose)
{
string str = "OletxPhase1VolatileEnlistmentContainer.VoteRequest";
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), str);
}
}
internal void AddEnlistment(OletxVolatileEnlistment enlistment)
{
lock (this)
{
if (-1 != base.phase)
{
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("TooLate"), null);
}
base.enlistmentList.Add(enlistment);
}
}
internal void AddEnlistment(OletxVolatileEnlistment enlistment)
{
lock (this)
{
if (-1 != base.phase)
{
throw TransactionException.Create(System.Transactions.SR.GetString("TraceSourceOletx"), System.Transactions.SR.GetString("TooLate"), null);
}
base.enlistmentList.Add(enlistment);
}
}
internal override void Committed()
{
OletxVolatileEnlistment enlistment = null;
int count = 0;
lock (this)
{
base.phase = 2;
count = base.enlistmentList.Count;
}
for (int i = 0; i < count; i++)
{
enlistment = base.enlistmentList[i] as OletxVolatileEnlistment;
if (enlistment == null)
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
enlistment.Commit();
}
}
internal void Phase0Request(bool abortHint)
{
OletxVolatileEnlistment enlistment = null;
int count = 0;
OletxCommittableTransaction committableTransaction = null;
bool flag = false;
lock (this)
{
if (DiagnosticTrace.Verbose)
{
string methodName = "OletxPhase0VolatileEnlistmentContainer.Phase0Request, abortHint = " + abortHint.ToString(CultureInfo.CurrentCulture) + ", phase = " + this.phase.ToString(CultureInfo.CurrentCulture);
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), methodName);
}
this.aborting = abortHint;
committableTransaction = base.realOletxTransaction.committableTransaction;
if ((committableTransaction != null) && !committableTransaction.CommitCalled)
{
flag = true;
this.aborting = true;
}
if ((2 == base.phase) || (-1 == base.phase))
{
if (-1 == base.phase)
{
base.phase = 0;
}
if ((this.aborting || this.tmWentDown) || (flag || (2 == base.phase)))
{
if (this.phase0EnlistmentShim != null)
{
try
{
this.phase0EnlistmentShim.Phase0Done(false);
base.alreadyVoted = true;
}
catch (COMException exception)
{
if (DiagnosticTrace.Verbose)
{
ExceptionConsumedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), exception);
}
}
}
return;
}
base.outstandingNotifications = base.enlistmentList.Count;
count = base.enlistmentList.Count;
if (count == 0)
{
base.outstandingNotifications = 1;
}
}
else
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPhase0VolatileEnlistmentContainer.Phase0Request, phase != -1");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
if (count == 0)
{
this.DecrementOutstandingNotifications(true);
}
else
{
for (int i = 0; i < count; i++)
{
enlistment = base.enlistmentList[i] as OletxVolatileEnlistment;
if (enlistment == null)
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
enlistment.Prepare(this);
}
}
if (DiagnosticTrace.Verbose)
{
string str = "OletxPhase0VolatileEnlistmentContainer.Phase0Request, abortHint = " + abortHint.ToString(CultureInfo.CurrentCulture);
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), str);
}
}
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;
}
// Returns true if this container is enlisted for Phase 0.
internal void AddEnlistment(
OletxVolatileEnlistment enlistment
)
{
Debug.Assert( null != enlistment, "Argument is null" );
lock ( this )
{
if ( -1 != phase )
{
throw TransactionException.Create( SR.GetString( SR.TraceSourceOletx ),
SR.GetString( SR.TooLate ), null );
}
enlistmentList.Add( enlistment );
}
}
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 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);
}
