示例#1
0
        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);
            }
        }
示例#2
0
 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);
     }
 }
示例#4
0
        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();
            }
        }
示例#5
0
        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;
 }
示例#7
0
        // 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 );


            }

        }
示例#8
0
        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);
        }