| private ProcessSNIError ( System.Data.SqlClient.TdsParserStateObject stateObj ) : SqlError | ||
| stateObj | System.Data.SqlClient.TdsParserStateObject | |
| return | SqlError | |
internal TdsParserStateObject(TdsParser parser, SNIHandle physicalConnection, bool async)
{
// Construct a MARS session
Debug.Assert(null != parser, "no parser?");
_parser = parser;
SniContext = SniContext.Snix_GetMarsSession;
Debug.Assert(null != _parser._physicalStateObj, "no physical session?");
Debug.Assert(null != _parser._physicalStateObj._inBuff, "no in buffer?");
Debug.Assert(null != _parser._physicalStateObj._outBuff, "no out buffer?");
Debug.Assert(_parser._physicalStateObj._outBuff.Length ==
_parser._physicalStateObj._inBuff.Length, "Unexpected unequal buffers.");
// Determine packet size based on physical connection buffer lengths.
SetPacketSize(_parser._physicalStateObj._outBuff.Length);
SNINativeMethodWrapper.ConsumerInfo myInfo = CreateConsumerInfo(async);
_sessionHandle = new SNIHandle(myInfo, physicalConnection);
if (_sessionHandle.Status != TdsEnums.SNI_SUCCESS)
{
AddError(parser.ProcessSNIError(this));
ThrowExceptionAndWarning();
}
// we post a callback that represents the call to dispose; once the
// object is disposed, the next callback will cause the GC Handle to
// be released.
IncrementPendingCallbacks();
_lastSuccessfulIOTimer = parser._physicalStateObj._lastSuccessfulIOTimer;
}
internal TdsParserStateObject(TdsParser parser, SNIHandle physicalConnection, bool async)
{
this._objectID = Interlocked.Increment(ref _objectTypeCount);
this._owner = new WeakReference(null);
this._inputHeaderLen = 8;
this._outputHeaderLen = 8;
this._outBytesUsed = 8;
this._outputPacketNumber = 1;
this._bTmp = new byte[12];
this._parser = parser;
this.SniContext = System.Data.SqlClient.SniContext.Snix_GetMarsSession;
this.SetPacketSize(this._parser._physicalStateObj._outBuff.Length);
SNINativeMethodWrapper.ConsumerInfo myInfo = this.CreateConsumerInfo(async);
this._sessionHandle = new SNIHandle(myInfo, "session:", physicalConnection);
if (this._sessionHandle.Status != 0)
{
parser.Errors.Add(parser.ProcessSNIError(this));
parser.ThrowExceptionAndWarning();
}
this.IncrementPendingCallbacks();
}