internal override void publishPosition(Device d, PositionTools.Position p, EventType e)
{
if (linkedwindow != null && !killed)
{
if (p.room == linkedroom || e == EventType.Disappear || e == EventType.MoveOut)
{
Application.Current.Dispatcher.BeginInvoke((Action)(() => { if (!killed)
{
linkedwindow.updateDevicePosition(d, p, e);
}
}));
}
}
}
internal override void publishPosition(Device d, PositionTools.Position p, EventType e)
{
Interlocked.Increment(ref ongoingqueryes);
if (!killed)
{
Task.Factory.StartNew(() =>
{
DBInt.addDevicePosition(d.identifier, d.MAC, p.room.roomName, p.X, p.Y, p.uncertainity, p.positionDate, e);
Interlocked.Decrement(ref ongoingqueryes);
});
}
else
{
Interlocked.Decrement(ref ongoingqueryes);
}
}
/// <summary>
/// Add the device to its room and propagate the new position to the publishers
/// </summary>
private void placeInRoomAndPublish(Room room, Device d, PositionTools.Position p, Publisher.EventType action)
{
if (action == Publisher.EventType.Appear || action == Publisher.EventType.MoveIn)
{
room.addDevice(d);
}
else if (action != Publisher.EventType.Update)
{
room.removeDevice(d);
}
foreach (Publisher pb in publishers)
{
if (pb.supportsOperation(Publisher.DisplayableType.DeviceDevicePosition))
{
pb.publishPosition(d, p, action);
}
if (pb.supportsOperation(Publisher.DisplayableType.SimpleStat))
{
pb.publishStat(room.devicecount, room, p.positionDate, Publisher.StatType.InstantaneousDeviceCount);
}
}
}
/// <summary>
/// Compute the device positions given the receivings of a packet
/// </summary>
private void locateAndPublish(Device d, Packet p)
{
Room oldRoom = (d.lastPosition != null)?d.lastPosition.room:null;
PositionTools.Position newposition = PositionTools.triangulate(p.Receivings, p.Timestamp);
Publisher.EventType e = Publisher.EventType.Update;
newposition.positionDate = p.Timestamp;
if (oldRoom == null)
{
d.firstPosition = newposition;
e = Publisher.EventType.Appear;
}
else if (oldRoom != newposition.room)
{
PositionTools.Position oldpos = new PositionTools.Position(d.lastPosition);
oldpos.positionDate = newposition.positionDate;
placeInRoomAndPublish(oldRoom, d, oldpos, Publisher.EventType.MoveOut);
e = Publisher.EventType.MoveIn;
}
d.lastPosition = newposition;
placeInRoomAndPublish(d.lastPosition.room, d, newposition, e);
}
internal virtual void publishPosition(Device d, PositionTools.Position p, EventType e)
{
throw new NotSupportedException();
}