Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Data / System / Data / SqlClient / SqlClientWrapperSmiStream.cs / 1305376 / SqlClientWrapperSmiStream.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace Microsoft.SqlServer.Server { using System; using System.Data.Common; using System.Diagnostics; using System.IO; // Simple wrapper over SmiStream that handles server events on the SqlClient side of Smi internal class SqlClientWrapperSmiStream : Stream { private SmiEventSink_Default _sink; private SmiStream _stream; internal SqlClientWrapperSmiStream( SmiEventSink_Default sink, SmiStream stream ) { Debug.Assert( null != sink ); Debug.Assert( null != stream ); _sink = sink; _stream = stream; } public override bool CanRead { get { return _stream.CanRead; } } // If CanSeek is false, Position, Seek, Length, and SetLength should throw. public override bool CanSeek { get { return _stream.CanSeek; } } public override bool CanWrite { get { return _stream.CanWrite; } } public override long Length { get { long length = _stream.GetLength( _sink ); _sink.ProcessMessagesAndThrow(); return length; } } public override long Position { get { long position = _stream.GetPosition( _sink ); _sink.ProcessMessagesAndThrow(); return position; } set { _stream.SetPosition( _sink, value ); _sink.ProcessMessagesAndThrow(); } } public override void Flush() { _stream.Flush( _sink ); _sink.ProcessMessagesAndThrow(); } public override long Seek(long offset, SeekOrigin origin) { long result = _stream.Seek( _sink, offset, origin ); _sink.ProcessMessagesAndThrow(); return result; } public override void SetLength(long value) { _stream.SetLength( _sink, value ); _sink.ProcessMessagesAndThrow(); } public override int Read(byte[] buffer, int offset, int count) { int bytesRead = _stream.Read( _sink, buffer, offset, count ); _sink.ProcessMessagesAndThrow(); return bytesRead; } public override void Write(byte[] buffer, int offset, int count) { _stream.Write( _sink, buffer, offset, count ); _sink.ProcessMessagesAndThrow(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- namespace Microsoft.SqlServer.Server { using System; using System.Data.Common; using System.Diagnostics; using System.IO; // Simple wrapper over SmiStream that handles server events on the SqlClient side of Smi internal class SqlClientWrapperSmiStream : Stream { private SmiEventSink_Default _sink; private SmiStream _stream; internal SqlClientWrapperSmiStream( SmiEventSink_Default sink, SmiStream stream ) { Debug.Assert( null != sink ); Debug.Assert( null != stream ); _sink = sink; _stream = stream; } public override bool CanRead { get { return _stream.CanRead; } } // If CanSeek is false, Position, Seek, Length, and SetLength should throw. public override bool CanSeek { get { return _stream.CanSeek; } } public override bool CanWrite { get { return _stream.CanWrite; } } public override long Length { get { long length = _stream.GetLength( _sink ); _sink.ProcessMessagesAndThrow(); return length; } } public override long Position { get { long position = _stream.GetPosition( _sink ); _sink.ProcessMessagesAndThrow(); return position; } set { _stream.SetPosition( _sink, value ); _sink.ProcessMessagesAndThrow(); } } public override void Flush() { _stream.Flush( _sink ); _sink.ProcessMessagesAndThrow(); } public override long Seek(long offset, SeekOrigin origin) { long result = _stream.Seek( _sink, offset, origin ); _sink.ProcessMessagesAndThrow(); return result; } public override void SetLength(long value) { _stream.SetLength( _sink, value ); _sink.ProcessMessagesAndThrow(); } public override int Read(byte[] buffer, int offset, int count) { int bytesRead = _stream.Read( _sink, buffer, offset, count ); _sink.ProcessMessagesAndThrow(); return bytesRead; } public override void Write(byte[] buffer, int offset, int count) { _stream.Write( _sink, buffer, offset, count ); _sink.ProcessMessagesAndThrow(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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