private ReadOnlySequence <byte> ConcactSequence(ref ReadOnlySequence <byte> first, ref ReadOnlySequence <byte> second)
{
SequenceSegment head = first.Start.GetObject() as SequenceSegment;
SequenceSegment tail = first.End.GetObject() as SequenceSegment;
if (head == null)
{
foreach (var segment in first)
{
if (head == null)
{
tail = head = SequenceSegment.CopyFrom(segment);
}
else
{
tail = tail.SetNext(SequenceSegment.CopyFrom(segment));
}
}
}
if (!second.IsEmpty)
{
foreach (var segment in second)
{
tail = tail.SetNext(SequenceSegment.CopyFrom(segment));
}
}
return(new ReadOnlySequence <byte>(head, 0, tail, tail.Memory.Length));
}
private ReadOnlySequence <byte> CopySequence(ref ReadOnlySequence <byte> seq)
{
SequenceSegment head = null;
SequenceSegment tail = null;
foreach (var segment in seq)
{
var newSegment = SequenceSegment.CopyFrom(segment);
if (head == null)
{
tail = head = newSegment;
}
else
{
tail = tail.SetNext(newSegment);
}
}
return(new ReadOnlySequence <byte>(head, 0, tail, tail.Memory.Length));
}
