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)); } }