/// <summary>
/// Shut Link to LiveTraffic down
/// </summary>
public void RemoveLink()
{
Logger.Instance.Log($"TrafficHandler-RemoveLink");
Valid = false;
Error = "";
try {
LTLink.LTEvent -= LTLink_LTEvent;
LT_Traffic = null;
LT_Weather = null;
LTLink.Disconnect( );
m_userAcft = null;
POOL = null;
}
catch (Exception e) {
Error = $"Error: {e.Message}";
Logger.Instance.Log($"TrafficHandler: {Error}");
}
}
// Asynch processing from receiving actual user position (Triggered by TCPclient)
private void LTLink_LTEvent(object sender, LTEventArgs e)
{
long secSinceLastPing = (long)(DateTime.Now - m_lastUpdate).TotalSeconds;
OnTraffic(secSinceLastPing);
if (!Valid)
{
return; // catch out of bounds messages
}
m_userAcft.NewPos(e.LatLon);
if (POOL == null)
{
// create the first subset with our AcftPos
POOL = new VAcftPool(m_radius_nm, m_stepLen_sec)
{
NumAcft = m_numAcft,
NumVFRcraft = m_numVFR
};
POOL.CreateAwySelection(AWYDB.GetTable( ), RWYDB.GetTable( ), m_userAcft.LatLon);
POOL.UpdateVFRscripts(CMDS);
Logger.Instance.Log($"TrafficHandler: Create POOL with {m_numAcft} aircrafts where {m_numVFR} are VFR, one sim step is >= {m_stepLen_sec} seconds");
}
// push an update only after 'StepLen_sec' secs
if (secSinceLastPing >= POOL.StepLen_sec)
{
m_lastUpdate = DateTime.Now; // reset timer
LT_Weather.SendMsg(RealTraffic.WeatherString( )); // send a 'generic' weather string
// do POOL maintenance
POOL.ReGenerate( );
POOL.Update( );
// send updates to LiveTraffic - TODO need to pace it ??
foreach (var vac in POOL.AircraftPoolRef)
{
string msg = RealTraffic.AITrafficString(vac);
LT_Traffic.SendMsg(msg);
}
// recreates the airway selection if needed
POOL.UpdateAwySelection(AWYDB.GetTable( ), RWYDB.GetTable( ), m_userAcft.LatLon);
}
}