internal SqlDataReaderSmi(SmiEventStream eventStream, SqlCommand parent, CommandBehavior behavior, SqlInternalConnectionSmi connection, SmiEventSink parentSink) : base(parent, behavior)
{
this._eventStream = eventStream;
this._currentConnection = connection;
this._readerEventSink = new ReaderEventSink(this, parentSink);
this._currentPosition = PositionState.BeforeResults;
this._isOpen = true;
this._indexMap = null;
this._visibleColumnCount = 0;
}
internal SqlDataReaderSmi(SmiEventStream eventStream, SqlCommand parent, CommandBehavior behavior, SqlInternalConnectionSmi connection, SmiEventSink parentSink) : base(parent, behavior)
{
this._eventStream = eventStream;
this._currentConnection = connection;
this._readerEventSink = new ReaderEventSink(this, parentSink);
this._currentPosition = PositionState.BeforeResults;
this._isOpen = true;
this._indexMap = null;
this._visibleColumnCount = 0;
}
private SqlInternalConnectionSmi GetContextConnection(SqlConnectionString options, object providerInfo, DbConnection owningConnection)
{
SmiContext currentContext = SmiContextFactory.Instance.GetCurrentContext();
SqlInternalConnectionSmi contextValue = (SqlInternalConnectionSmi)currentContext.GetContextValue(0);
if ((contextValue == null) || contextValue.IsConnectionDoomed)
{
if (contextValue != null)
{
contextValue.Dispose();
}
contextValue = new SqlInternalConnectionSmi(options, currentContext);
currentContext.SetContextValue(0, contextValue);
}
contextValue.Activate();
return(contextValue);
}
private SqlInternalConnectionSmi GetContextConnection(SqlConnectionString options, object providerInfo)
{
SmiContext smiContext = SmiContextFactory.Instance.GetCurrentContext();
SqlInternalConnectionSmi result = (SqlInternalConnectionSmi)smiContext.GetContextValue((int)SmiContextFactory.ContextKey.Connection);
// context connections are automatically re-useable if they exist unless they've been doomed.
if (null == result || result.IsConnectionDoomed)
{
if (null != result)
{
result.Dispose(); // A doomed connection is a messy thing. Dispose of it promptly in nearest receptacle.
}
result = new SqlInternalConnectionSmi(options, smiContext);
smiContext.SetContextValue((int)SmiContextFactory.ContextKey.Connection, result);
}
result.Activate();
return(result);
}
private SqlInternalConnectionSmi GetContextConnection(SqlConnectionString options, object providerInfo) {
SmiContext smiContext = SmiContextFactory.Instance.GetCurrentContext();
SqlInternalConnectionSmi result = (SqlInternalConnectionSmi)smiContext.GetContextValue((int)SmiContextFactory.ContextKey.Connection);
// context connections are automatically re-useable if they exist unless they've been doomed.
if (null == result || result.IsConnectionDoomed) {
if (null != result) {
result.Dispose(); // A doomed connection is a messy thing. Dispose of it promptly in nearest receptacle.
}
result = new SqlInternalConnectionSmi(options, smiContext);
smiContext.SetContextValue((int)SmiContextFactory.ContextKey.Connection, result);
}
result.Activate();
return result;
}
private void SetUpSmiRequest(SqlInternalConnectionSmi innerConnection)
{
this.DisposeSmiRequest();
if (this.Notification != null)
{
throw SQL.NotificationsNotAvailableOnContextConnection();
}
SmiParameterMetaData[] parameterMetaData = null;
ParameterPeekAheadValue[] valueArray = null;
int parameterCount = this.GetParameterCount(this.Parameters);
if (0 < parameterCount)
{
parameterMetaData = new SmiParameterMetaData[parameterCount];
valueArray = new ParameterPeekAheadValue[parameterCount];
for (int j = 0; j < parameterCount; j++)
{
SqlParameter parameter2 = this.Parameters[j];
parameter2.Validate(j, System.Data.CommandType.StoredProcedure == this.CommandType);
parameterMetaData[j] = parameter2.MetaDataForSmi(out valueArray[j]);
if (!innerConnection.IsKatmaiOrNewer)
{
MetaType metaTypeFromSqlDbType = MetaType.GetMetaTypeFromSqlDbType(parameterMetaData[j].SqlDbType, parameterMetaData[j].IsMultiValued);
if (!metaTypeFromSqlDbType.Is90Supported)
{
throw ADP.VersionDoesNotSupportDataType(metaTypeFromSqlDbType.TypeName);
}
}
}
}
System.Data.CommandType commandType = this.CommandType;
this._smiRequestContext = innerConnection.InternalContext;
this._smiRequest = this._smiRequestContext.CreateRequestExecutor(this.CommandText, commandType, parameterMetaData, this.EventSink);
this.EventSink.ProcessMessagesAndThrow();
for (int i = 0; i < parameterCount; i++)
{
if ((ParameterDirection.Output == parameterMetaData[i].Direction) || (ParameterDirection.ReturnValue == parameterMetaData[i].Direction))
{
continue;
}
SqlParameter parameter = this.Parameters[i];
object coercedValue = parameter.GetCoercedValue();
ExtendedClrTypeCode typeCode = MetaDataUtilsSmi.DetermineExtendedTypeCodeForUseWithSqlDbType(parameterMetaData[i].SqlDbType, parameterMetaData[i].IsMultiValued, coercedValue, null, SmiContextFactory.Instance.NegotiatedSmiVersion);
if ((System.Data.CommandType.StoredProcedure == commandType) && (ExtendedClrTypeCode.Empty == typeCode))
{
this._smiRequest.SetDefault(i);
continue;
}
int size = parameter.Size;
if (((size != 0) && (size != -1L)) && !parameter.SizeInferred)
{
switch (parameterMetaData[i].SqlDbType)
{
case SqlDbType.NText:
if (size != 0x3fffffff)
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
case SqlDbType.NVarChar:
if (((size > 0) && (size != 0x3fffffff)) && (parameterMetaData[i].MaxLength == -1L))
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
case SqlDbType.Text:
case SqlDbType.Image:
goto Label_01E8;
case SqlDbType.Timestamp:
if (size < SmiMetaData.DefaultTimestamp.MaxLength)
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
case SqlDbType.VarBinary:
case SqlDbType.VarChar:
goto Label_020C;
case SqlDbType.Variant:
goto Label_0271;
case SqlDbType.Xml:
if ((coercedValue != null) && (ExtendedClrTypeCode.SqlXml != typeCode))
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
break;
}
}
goto Label_02CF;
Label_01E8:
if (size == 0x7fffffff)
{
goto Label_02CF;
}
throw SQL.ParameterSizeRestrictionFailure(i);
Label_020C:
if (((size <= 0) || (size == 0x7fffffff)) || (parameterMetaData[i].MaxLength != -1L))
{
goto Label_02CF;
}
throw SQL.ParameterSizeRestrictionFailure(i);
Label_0271:
if (coercedValue != null)
{
MetaType metaTypeFromValue = MetaType.GetMetaTypeFromValue(coercedValue);
if (((metaTypeFromValue.IsNCharType && (size < 0xfa0L)) || (metaTypeFromValue.IsBinType && (size < 0x1f40L))) || (metaTypeFromValue.IsAnsiType && (size < 0x1f40L)))
{
throw SQL.ParameterSizeRestrictionFailure(i);
}
}
Label_02CF:
if (innerConnection.IsKatmaiOrNewer)
{
ValueUtilsSmi.SetCompatibleValueV200(this.EventSink, this._smiRequest, i, parameterMetaData[i], coercedValue, typeCode, parameter.Offset, parameter.Size, valueArray[i]);
}
else
{
ValueUtilsSmi.SetCompatibleValue(this.EventSink, this._smiRequest, i, parameterMetaData[i], coercedValue, typeCode, parameter.Offset);
}
}
}
internal EventSink(SqlInternalConnectionSmi connection)
{
Debug.Assert(null != connection, "null connection?");
_connection = connection;
}
internal EventSink(SqlInternalConnectionSmi connection)
{
this._connection = connection;
}
internal EventSink(SqlInternalConnectionSmi connection) {
Debug.Assert(null != connection, "null connection?");
_connection = connection;
}
public override void Open()
{
IntPtr ptr;
Bid.ScopeEnter(out ptr, "<sc.SqlConnection.Open|API> %d#", this.ObjectID);
try
{
if (this.StatisticsEnabled)
{
if (this._statistics == null)
{
this._statistics = new SqlStatistics();
}
else
{
this._statistics.ContinueOnNewConnection();
}
}
SNIHandle target = null;
SqlStatistics statistics = null;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
statistics = SqlStatistics.StartTimer(this.Statistics);
this.InnerConnection.OpenConnection(this, this.ConnectionFactory);
target = SqlInternalConnection.GetBestEffortCleanupTarget(this);
SqlInternalConnectionSmi innerConnection = this.InnerConnection as SqlInternalConnectionSmi;
if (innerConnection != null)
{
innerConnection.AutomaticEnlistment();
}
else
{
if (this.StatisticsEnabled)
{
ADP.TimerCurrent(out this._statistics._openTimestamp);
this.Parser.Statistics = this._statistics;
}
else
{
this.Parser.Statistics = null;
this._statistics = null;
}
this.CompleteOpen();
}
}
catch (OutOfMemoryException exception3)
{
this.Abort(exception3);
throw;
}
catch (StackOverflowException exception2)
{
this.Abort(exception2);
throw;
}
catch (ThreadAbortException exception)
{
this.Abort(exception);
SqlInternalConnection.BestEffortCleanup(target);
throw;
}
finally
{
SqlStatistics.StopTimer(statistics);
}
}
finally
{
Bid.ScopeLeave(ref ptr);
}
}
internal EventSink(SqlInternalConnectionSmi connection)
{
this._connection = connection;
}
