System.Data.SqlClient.TdsParser.FailureCleanup C# (CSharp) Метод

        internal void FailureCleanup(TdsParserStateObject stateObj, Exception e)
        {
            int old_outputPacketNumber = stateObj._outputPacketNumber;


            if (stateObj.HasOpenResult)
            { // Need to decrement openResultCount if operation failed.
                stateObj.DecrementOpenResultCount();
            }

            // be sure to wipe out our buffer if we started sending stuff
            stateObj.ResetBuffer();
            stateObj._outputPacketNumber = 1;  // end of message - reset to 1 - per ramas

            if (old_outputPacketNumber != 1 && _state == TdsParserState.OpenLoggedIn)
            {
                Debug.Assert(_connHandler._parserLock.ThreadMayHaveLock(), "Should not be calling into FailureCleanup without first taking the parser lock");

                bool originalThreadHasParserLock = _connHandler.ThreadHasParserLockForClose;
                try
                {
                    // Need to set this to true such that if we have an error sending\processing the attention, we won't deadlock ourselves
                    _connHandler.ThreadHasParserLockForClose = true;

                    // If _outputPacketNumber prior to ResetBuffer was not equal to 1, a packet was already
                    // sent to the server and so we need to send an attention and process the attention ack.
                    stateObj.SendAttention();
                    ProcessAttention(stateObj);
                }
                finally
                {
                    // Reset the ThreadHasParserLock value in case our caller expects it to be set\not set
                    _connHandler.ThreadHasParserLockForClose = originalThreadHasParserLock;
                }
            }
        }