/// <summary>
/// 如果外部能够提供缓冲区则使用外部缓冲区，否则new byte[]
/// </summary>
/// <param name="needSize"></param>
/// <returns></returns>
internal protected BufferOwner CreateBuffer(int needSize)
{
var res = rentable?.RentBuffer(needSize);
if (res == null)
{
return(new KcpInnerBuffer(needSize));
}
else
{
if (res.Memory.Length < needSize)
{
throw new ArgumentException($"{nameof(rentable.RentBuffer)} 指定的委托不符合标准，返回的" +
$"BufferOwner.Memory.Length 小于 {nameof(needSize)}");
}
}
return(res);
}
/// <summary>
/// 如果外部能够提供缓冲区则使用外部缓冲区，否则new byte[]
/// </summary>
/// <param name="needSize"></param>
/// <returns></returns>
internal protected BufferOwner CreateBuffer(int needSize)
{
return(rentable?.RentBuffer(needSize));
}