// spool a Stream into a scratch stream from the Smi interface and return it as a Stream
internal static Stream CopyIntoNewSmiScratchStream( Stream source, SmiEventSink_Default sink, SmiContext context ) {
Stream dest;
if (null == context) {
dest = new MemoryStream();
}
else {
dest = new SqlClientWrapperSmiStream( sink, context.GetScratchStream( sink ) );
}
int chunkSize;
if ( source.CanSeek && __maxByteChunkSize > source.Length ) {
chunkSize = unchecked( (int) source.Length ); // unchecked cast is safe due to check on line above
}
else {
chunkSize = __maxByteChunkSize;
}
byte[] copyBuffer = new byte[chunkSize];
int bytesRead;
while ( 0 != ( bytesRead = source.Read( copyBuffer, 0, chunkSize ) ) ) {
dest.Write( copyBuffer, 0, bytesRead );
}
dest.Flush();
// SQLBU 494334
// Need to re-wind scratch stream to beginning before returning
dest.Seek(0, SeekOrigin.Begin);
return dest;
}
internal static Stream CopyIntoNewSmiScratchStream(Stream source, SmiEventSink_Default sink, SmiContext context)
{
Stream stream;
int length;
int num2;
if (context == null)
{
stream = new MemoryStream();
}
else
{
stream = new SqlClientWrapperSmiStream(sink, context.GetScratchStream(sink));
}
if (source.CanSeek && (0x1f40L > source.Length))
{
length = (int) source.Length;
}
else
{
length = 0x1f40;
}
byte[] buffer = new byte[length];
while ((num2 = source.Read(buffer, 0, length)) != 0)
{
stream.Write(buffer, 0, num2);
}
stream.Flush();
stream.Seek(0L, SeekOrigin.Begin);
return stream;
}