Example #1
0
        /// <include file='..\..\..\..\..\..\..\doc\snippets\Microsoft.Data.SqlClient\SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Save/*' />
        public void Save(string savePointName)
        {
            SqlConnection.ExecutePermission.Demand(); // MDAC 81476

            ZombieCheck();

            SqlStatistics statistics = null;
            long          scopeID    = SqlClientEventSource.Log.ScopeEnterEvent("<sc.SqlTransaction.Save|API> {0}# savePointName='{1}'", ObjectID, savePointName);

            TdsParser bestEffortCleanupTarget = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                    tdsReliabilitySection.Start();
#else
                {
#endif //DEBUG
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                    statistics = SqlStatistics.StartTimer(Statistics);

                    _internalTransaction.Save(savePointName);
                }
#if DEBUG
                finally
                {
                    tdsReliabilitySection.Stop();
                }
#endif //DEBUG
            }
            catch (System.OutOfMemoryException e)
            {
                _connection.Abort(e);
                throw;
            }
            catch (System.StackOverflowException e)
            {
                _connection.Abort(e);
                throw;
            }
            catch (System.Threading.ThreadAbortException e)
            {
                _connection.Abort(e);
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                throw;
            }
            finally
            {
                SqlStatistics.StopTimer(statistics);
                SqlClientEventSource.Log.ScopeLeaveEvent(scopeID);
            }
        }
Example #2
0
        ////////////////////////////////////////////////////////////////////////////////////////
        // PUBLIC METHODS
        ////////////////////////////////////////////////////////////////////////////////////////

        override public void Commit()
        {
            SqlConnection.ExecutePermission.Demand(); // MDAC 81476

            ZombieCheck();

            SqlStatistics statistics = null;
            IntPtr        hscp;

            Bid.ScopeEnter(out hscp, "<sc.SqlTransaction.Commit|API> %d#", ObjectID);
            Bid.CorrelationTrace("<sc.SqlTransaction.Commit|API|Correlation> ObjectID%d#, ActivityID %ls", ObjectID);

            TdsParser bestEffortCleanupTarget = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try {
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try {
                    tdsReliabilitySection.Start();
#else
                {
#endif //DEBUG
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                    statistics = SqlStatistics.StartTimer(Statistics);

                    _isFromAPI = true;

                    _internalTransaction.Commit();
                }
#if DEBUG
                finally {
                    tdsReliabilitySection.Stop();
                }
#endif //DEBUG
            }
            catch (System.OutOfMemoryException e) {
                _connection.Abort(e);
                throw;
            }
            catch (System.StackOverflowException e) {
                _connection.Abort(e);
                throw;
            }
            catch (System.Threading.ThreadAbortException e)  {
                _connection.Abort(e);
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                throw;
            }
            finally {
                _isFromAPI = false;

                SqlStatistics.StopTimer(statistics);
                Bid.ScopeLeave(ref hscp);
            }
        }
Example #3
0
        static public void DeriveParameters(SqlCommand command)
        { // MDAC 65927\
            SqlConnection.ExecutePermission.Demand();

            if (null == command)
            {
                throw ADP.ArgumentNull("command");
            }
            TdsParser bestEffortCleanupTarget = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try {
                    tdsReliabilitySection.Start();
#else
                {
#endif
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(command.Connection);
                    command.DeriveParameters();
                }
#if DEBUG
                finally {
                    tdsReliabilitySection.Stop();
                }
#endif
            }
            catch (System.OutOfMemoryException e)
            {
                if (null != command && null != command.Connection)
                {
                    command.Connection.Abort(e);
                }
                throw;
            }
            catch (System.StackOverflowException e)
            {
                if (null != command && null != command.Connection)
                {
                    command.Connection.Abort(e);
                }
                throw;
            }
            catch (System.Threading.ThreadAbortException e)
            {
                if (null != command && null != command.Connection)
                {
                    command.Connection.Abort(e);
                }
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                throw;
            }
        }
Example #4
0
        /// <include file='../../../../../../doc/snippets/Microsoft.Data.SqlClient/SqlCommandBuilder.xml' path='docs/members[@name="SqlCommandBuilder"]/DeriveParameters/*'/>
        public static void DeriveParameters(SqlCommand command)
        {
#if NETFRAMEWORK
            SqlConnection.ExecutePermission.Demand();
#endif
            if (null == command)
            {
                throw ADP.ArgumentNull(nameof(command));
            }
#if NETFRAMEWORK
            TdsParser bestEffortCleanupTarget = null;
#endif
            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
#if NETFRAMEWORK
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try {
                    tdsReliabilitySection.Start();
#else
                {
#endif // DEBUG
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(command.Connection);
#endif // NETFRAMEWORK
                command.DeriveParameters();
#if NETFRAMEWORK
            }
#if DEBUG
            finally {
                tdsReliabilitySection.Stop();
            }
#endif // DEBUG
#endif // NETFRAMEWORK
            }
            catch (OutOfMemoryException e)
            {
                command?.Connection?.Abort(e);
                throw;
            }
            catch (StackOverflowException e)
            {
                command?.Connection?.Abort(e);
                throw;
            }
            catch (ThreadAbortException e)
            {
                command?.Connection?.Abort(e);
#if NETFRAMEWORK
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
#endif
                throw;
            }
        }
Example #5
0
        /// <include file='..\..\..\..\..\..\..\doc\snippets\Microsoft.Data.SqlClient\SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/DisposeDisposing/*' />
        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                TdsParser bestEffortCleanupTarget = null;
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
#if DEBUG
                    TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                    RuntimeHelpers.PrepareConstrainedRegions();
                    try
                    {
                        tdsReliabilitySection.Start();
#else
                    {
#endif //DEBUG
                        bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                        if (!IsZombied && !IsYukonPartialZombie)
                        {
                            _internalTransaction.Dispose();
                        }
                    }
#if DEBUG
                    finally
                    {
                        tdsReliabilitySection.Stop();
                    }
#endif //DEBUG
                }
                catch (System.OutOfMemoryException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.StackOverflowException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.Threading.ThreadAbortException e)
                {
                    _connection.Abort(e);
                    SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                    throw;
                }
            }
            base.Dispose(disposing);
        }
Example #6
0
        /// <include file='..\..\..\..\..\..\..\doc\snippets\Microsoft.Data.SqlClient\SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Rollback2/*' />
        override public void Rollback()
        {
            if (IsYukonPartialZombie)
            {
                // Put something in the trace in case a customer has an issue
                SqlClientEventSource.Log.AdvanceTrace("<sc.SqlTransaction.Rollback|ADV> {0}# partial zombie no rollback required", ObjectID);

                _internalTransaction = null; // yukon zombification
            }
            else
            {
                ZombieCheck();

                SqlStatistics statistics = null;
                long          scopeID    = SqlClientEventSource.Log.ScopeEnterEvent("<sc.SqlTransaction.Rollback|API> {0}#", ObjectID);
                SqlClientEventSource.Log.CorrelationTraceEvent("<sc.SqlTransaction.Rollback|API|Correlation> ObjectID {0}#, ActivityID {1}", ObjectID, ActivityCorrelator.Current.ToString());

                TdsParser bestEffortCleanupTarget = null;
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
#if DEBUG
                    TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                    RuntimeHelpers.PrepareConstrainedRegions();
                    try
                    {
                        tdsReliabilitySection.Start();
#else
                    {
#endif //DEBUG
                        bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                        statistics = SqlStatistics.StartTimer(Statistics);

                        _isFromAPI = true;

                        _internalTransaction.Rollback();
                    }
#if DEBUG
                    finally
                    {
                        tdsReliabilitySection.Stop();
                    }
#endif //DEBUG
                }
                catch (System.OutOfMemoryException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.StackOverflowException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.Threading.ThreadAbortException e)
                {
                    _connection.Abort(e);
                    SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                    throw;
                }
                finally
                {
                    _isFromAPI = false;

                    SqlStatistics.StopTimer(statistics);
                    SqlClientEventSource.Log.ScopeLeaveEvent(scopeID);
                }
            }
        }
Example #7
0
        ////////////////////////////////////////////////////////////////////////////////////////
        // PUBLIC METHODS
        ////////////////////////////////////////////////////////////////////////////////////////

        /// <include file='..\..\..\..\..\..\..\doc\snippets\Microsoft.Data.SqlClient\SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Commit/*' />
        override public void Commit()
        {
            SqlConnection.ExecutePermission.Demand(); // MDAC 81476

            ZombieCheck();

            SqlStatistics statistics = null;
            long          scopeID    = SqlClientEventSource.Log.ScopeEnterEvent("<sc.SqlTransaction.Commit|API> {0}#", ObjectID);

            SqlClientEventSource.Log.CorrelationTraceEvent("<sc.SqlTransaction.Commit|API|Correlation> ObjectID {0}#, ActivityID {1}", ObjectID, ActivityCorrelator.Current.ToString());

            TdsParser bestEffortCleanupTarget = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                    tdsReliabilitySection.Start();
#else
                {
#endif //DEBUG
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                    statistics = SqlStatistics.StartTimer(Statistics);

                    _isFromAPI = true;

                    _internalTransaction.Commit();
                }
#if DEBUG
                finally
                {
                    tdsReliabilitySection.Stop();
                }
#endif //DEBUG
            }
            catch (System.OutOfMemoryException e)
            {
                _connection.Abort(e);
                throw;
            }
            catch (System.StackOverflowException e)
            {
                _connection.Abort(e);
                throw;
            }
            catch (System.Threading.ThreadAbortException e)
            {
                _connection.Abort(e);
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                throw;
            }
            catch (SqlException e)
            {
                // GitHub Issue #130 - When a timeout exception has occurred on transaction completion request,
                // this connection may not be in reusable state.
                // We will abort this connection and make sure it does not go back to the pool.
                var innerException = e.InnerException as Win32Exception;
                if (innerException != null && innerException.NativeErrorCode == TdsEnums.SNI_WAIT_TIMEOUT)
                {
                    _connection.Abort(e);
                }
                throw;
            }
            finally
            {
                _isFromAPI = false;

                SqlStatistics.StopTimer(statistics);
                SqlClientEventSource.Log.ScopeLeaveEvent(scopeID);
            }
        }
Example #8
0
        override public void EnlistTransaction(SysTx.Transaction transaction)
        {
            SqlConnection.VerifyExecutePermission();

            ValidateConnectionForExecute(null);

            // If a connection has a local transaction outstanding and you try
            // to enlist in a DTC transaction, SQL Server will rollback the
            // local transaction and then do the enlist (7.0 and 2000).  So, if
            // the user tries to do this, throw.
            if (HasLocalTransaction)
            {
                throw ADP.LocalTransactionPresent();
            }

            if (null != transaction && transaction.Equals(EnlistedTransaction))
            {
                // No-op if this is the current transaction
                return;
            }

            // If a connection is already enlisted in a DTC transaction and you
            // try to enlist in another one, in 7.0 the existing DTC transaction
            // would roll back and then the connection would enlist in the new
            // one. In SQL 2000 & 2005, when you enlist in a DTC transaction
            // while the connection is already enlisted in a DTC transaction,
            // the connection simply switches enlistments.  Regardless, simply
            // enlist in the user specified distributed transaction.  This
            // behavior matches OLEDB and ODBC.

            TdsParser bestEffortCleanupTarget = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                    tdsReliabilitySection.Start();
#else
                {
#endif //DEBUG
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(Connection);
                    Enlist(transaction);
                }
#if DEBUG
                finally
                {
                    tdsReliabilitySection.Stop();
                }
#endif //DEBUG
            }
            catch (System.OutOfMemoryException e)
            {
                Connection.Abort(e);
                throw;
            }
            catch (System.StackOverflowException e)
            {
                Connection.Abort(e);
                throw;
            }
            catch (System.Threading.ThreadAbortException e)
            {
                Connection.Abort(e);
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                throw;
            }
        }
Example #9
0
        override protected void Deactivate()
        {
            SqlClientEventSource.Log.TryAdvancedTraceEvent("<sc.SqlInternalConnection.Deactivate|ADV> {0} deactivating", ObjectID);
            TdsParser bestEffortCleanupTarget = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                    tdsReliabilitySection.Start();
#else
                {
#endif //DEBUG
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(Connection);
                    SqlReferenceCollection referenceCollection = (SqlReferenceCollection)ReferenceCollection;
                    if (null != referenceCollection)
                    {
                        referenceCollection.Deactivate();
                    }

                    // Invoke subclass-specific deactivation logic
                    InternalDeactivate();
                }
#if DEBUG
                finally
                {
                    tdsReliabilitySection.Stop();
                }
#endif //DEBUG
            }
            catch (System.OutOfMemoryException)
            {
                DoomThisConnection();
                throw;
            }
            catch (System.StackOverflowException)
            {
                DoomThisConnection();
                throw;
            }
            catch (System.Threading.ThreadAbortException)
            {
                DoomThisConnection();
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                throw;
            }
            catch (Exception e)
            {
                // UNDONE - should not be catching all exceptions!!!
                if (!ADP.IsCatchableExceptionType(e))
                {
                    throw;
                }

                // if an exception occurred, the inner connection will be
                // marked as unusable and destroyed upon returning to the
                // pool
                DoomThisConnection();

                ADP.TraceExceptionWithoutRethrow(e);
            }
        }
Example #10
0
        virtual internal SqlTransaction BeginSqlTransaction(IsolationLevel iso, string transactionName, bool shouldReconnect)
        {
            SqlStatistics statistics = null;
            TdsParser     bestEffortCleanupTarget = null;

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
#if DEBUG
                TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                    tdsReliabilitySection.Start();
#else
                {
#endif //DEBUG
                    bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(Connection);
                    statistics = SqlStatistics.StartTimer(Connection.Statistics);

                    SqlConnection.ExecutePermission.Demand(); // MDAC 81476

                    ValidateConnectionForExecute(null);

                    if (HasLocalTransactionFromAPI)
                    {
                        throw ADP.ParallelTransactionsNotSupported(Connection);
                    }

                    if (iso == IsolationLevel.Unspecified)
                    {
                        iso = IsolationLevel.ReadCommitted; // Default to ReadCommitted if unspecified.
                    }

                    SqlTransaction transaction = new SqlTransaction(this, Connection, iso, AvailableInternalTransaction);
                    transaction.InternalTransaction.RestoreBrokenConnection = shouldReconnect;
                    ExecuteTransaction(TransactionRequest.Begin, transactionName, iso, transaction.InternalTransaction, false);
                    transaction.InternalTransaction.RestoreBrokenConnection = false;
                    return(transaction);
                }
#if DEBUG
                finally
                {
                    tdsReliabilitySection.Stop();
                }
#endif //DEBUG
            }
            catch (System.OutOfMemoryException e)
            {
                Connection.Abort(e);
                throw;
            }
            catch (System.StackOverflowException e)
            {
                Connection.Abort(e);
                throw;
            }
            catch (System.Threading.ThreadAbortException e)
            {
                Connection.Abort(e);
                SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                throw;
            }
            finally
            {
                SqlStatistics.StopTimer(statistics);
            }
        }
        /// <include file='..\..\..\..\..\..\..\doc\snippets\Microsoft.Data.SqlClient\SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/RollbackTransactionName/*' />
        public void Rollback(string transactionName)
        {
            SqlConnection.ExecutePermission.Demand(); // MDAC 81476

            ZombieCheck();

            SqlStatistics statistics = null;

            using (TryEventScope.Create("<sc.SqlTransaction.Rollback|API> {0} transactionName='{1}'", ObjectID, transactionName))
            {
                TdsParser bestEffortCleanupTarget = null;
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
#if DEBUG
                    TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                    RuntimeHelpers.PrepareConstrainedRegions();
                    try
                    {
                        tdsReliabilitySection.Start();
#else
                    {
#endif //DEBUG
                        bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                        statistics = SqlStatistics.StartTimer(Statistics);

                        _isFromAPI = true;

                        _internalTransaction.Rollback(transactionName);
                    }
#if DEBUG
                    finally
                    {
                        tdsReliabilitySection.Stop();
                    }
#endif //DEBUG
                }
                catch (System.OutOfMemoryException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.StackOverflowException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.Threading.ThreadAbortException e)
                {
                    _connection.Abort(e);
                    SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                    throw;
                }
                finally
                {
                    _isFromAPI = false;

                    SqlStatistics.StopTimer(statistics);
                }
            }
        }
Example #12
0
        /// <include file='..\..\..\..\..\..\..\doc\snippets\Microsoft.Data.SqlClient\SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Rollback2/*' />
        override public void Rollback()
        {
            if (IsYukonPartialZombie)
            {
                // Put something in the trace in case a customer has an issue
                if (Bid.AdvancedOn)
                {
                    Bid.Trace("<sc.SqlTransaction.Rollback|ADV> %d# partial zombie no rollback required\n", ObjectID);
                }
                _internalTransaction = null; // yukon zombification
            }
            else
            {
                ZombieCheck();

                SqlStatistics statistics = null;
                IntPtr        hscp;
                Bid.ScopeEnter(out hscp, "<sc.SqlTransaction.Rollback|API> %d#", ObjectID);
                Bid.CorrelationTrace("<sc.SqlTransaction.Rollback|API|Correlation> ObjectID%d#, ActivityID %ls\n", ObjectID);

                TdsParser bestEffortCleanupTarget = null;
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
#if DEBUG
                    TdsParser.ReliabilitySection tdsReliabilitySection = new TdsParser.ReliabilitySection();

                    RuntimeHelpers.PrepareConstrainedRegions();
                    try {
                        tdsReliabilitySection.Start();
#else
                    {
#endif //DEBUG
                        bestEffortCleanupTarget = SqlInternalConnection.GetBestEffortCleanupTarget(_connection);
                        statistics = SqlStatistics.StartTimer(Statistics);

                        _isFromAPI = true;

                        _internalTransaction.Rollback();
                    }
#if DEBUG
                    finally {
                        tdsReliabilitySection.Stop();
                    }
#endif //DEBUG
                }
                catch (System.OutOfMemoryException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.StackOverflowException e)
                {
                    _connection.Abort(e);
                    throw;
                }
                catch (System.Threading.ThreadAbortException e)
                {
                    _connection.Abort(e);
                    SqlInternalConnection.BestEffortCleanup(bestEffortCleanupTarget);
                    throw;
                }
                finally
                {
                    _isFromAPI = false;

                    SqlStatistics.StopTimer(statistics);
                    Bid.ScopeLeave(ref hscp);
                }
            }
        }