public void UsedData(uint Length, int direction)
{
Position[direction] -= Length;
Array.Copy(data[direction], Length, data[direction], 0, (int)Position[direction]);
// now tidy up "times" data
lock (Times[direction])
{
int count = 0;
SeqNumber s = Sequence[direction] - (int)Position[direction];
s -= 1500; // safety to prevent unwanted removals (should really be done with a max value!)
for (int i = 0; i < Times[direction].Count; i++)
{
PacketTime pt = Times[direction][i] as PacketTime;
if (pt.sequence < s)
{
count = i + 1;
}
}
if (count > 0)
{
Times[direction].RemoveRange(0, count);
}
}
}
public DateTime GetTime(int direction, long Pos)
{
PacketTime best = null; //Times[direction][0] as PacketTime;
// initial sequence number = current max sequence (sequence) - position
// wanted position = that + Pos
SeqNumber s = Sequence[direction] + (int)(Pos - Position[direction]);
foreach (PacketTime pt in Times[direction])
{
if (pt != null)
{
if ((pt.sequence <= s) && ((best == null) || (pt.sequence > best.sequence)))
{
best = pt;
}
}
}
if (best != null)
{
return(best.time);
}
else
{
return(new DateTime(1970, 1, 1, 0, 0, 0));
}
}