private void ProcessIncomingData(object obj)
{
try
{
lock (m_ClientLock)
{
UDPReceiveEvent Packet = (UDPReceiveEvent)obj;
FireReceiveMessage(ref Packet);
#if DEBUG
Log.LogMessage("UDPServer : Requête entrante de " + (Packet.Client.Address.ToString() + " : " + Outils.HexToString(Packet.Data, Packet.Data.Length)), Color.Blue, 2);
#endif
}
}
catch (SocketException Ex)
{
Log.LogMessage("UDPServer : Problème Socket : " + Ex.Message, Color.DarkBlue, 0);
}
}
protected virtual void FireReceiveMessage(ref UDPReceiveEvent e)
{
OnReceiveMessage?.Invoke(this, e);
}
/// <summary>
/// Réception d'un datagramme entrant sur le socket udp
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnReceiveMessage(object sender, UDPReceiveEvent evt)
{
// Si l'adresse du peer est nulle cela signifie que le wazzhup update a détecté un PEER local
if (m_EP == null)
{
// Si le peer à une addresse locale qui correspond
// Il s'agit d'un client sur le même réseau local
// On prend alors cette IP locale comme référence
if (m_InternalIP.Contains(evt.Client.Address))
{
m_EP = new IPEndPoint(evt.Client.Address, m_Port);
}
else
{
return;
}
}
else if ((!evt.Client.Address.Equals(m_EP.Address)) || (evt.Client.Port != m_Port))
{
return;
}
BinaryReader reader = new BinaryReader(new MemoryStream(evt.Data));
try
{
switch ((Protocol)reader.ReadByte())
{
case Protocol.PING:
{
SendPong(evt.Time);
break;
}
case Protocol.PONG:
{
m_Latence = (evt.Time - m_LastPing) / 2;
m_Counter = 0;
long TimePong = reader.ReadInt64();
if (m_MiniPing > m_Latence)
{
m_Decalage = evt.Time - m_Latence - TimePong;
m_MiniPing = m_Latence;
}
if (!m_OnLine)
{
#if DEBUG
Log.LogMessage("Peer [" + CallSign + "] Passage en état OnLine", Color.DarkBlue, 1);
#endif
m_OnLine = true;
m_Distance = -1;
m_Counter_In = 0;
m_Counter_Out = 0;
}
if (m_Version == 0)
{
RequestVersion();
}
P2P.UpdateListItem(m_CallSign);
break;
}
case Protocol.CHAT:
{
string Message = reader.ReadString();
P2P.AddLineChat(CallSign, Message);
m_SC.SendScrollingText(CallSign + " : " + Message);
break;
}
case Protocol.DATA:
{
if (m_Version == PROTO_VERSION)
{
if (m_bBlockData)
{
return;
}
m_Mutex.WaitOne();
try
{
byte CounterIn = reader.ReadByte();
// Si le compteur reçu est supérieur nous avons une donnée récente
if (((CounterIn - m_Counter_In) > 0) || (m_Counter_In == 255))
{
m_OldData.Clone(m_Data);
int Len = reader.ReadInt32();
reader.BaseStream.Seek(2, 0);
m_Data = (AirData)Serializer.Deserialize <AirData>(reader.BaseStream);
m_Data.TimeStamp += m_Decalage;
if (m_Data.TimeStamp <= m_OldData.TimeStamp)
{
#if DEBUG
Log.LogMessage("Peer[" + CallSign + "] Donées en retard ignorées", Color.DarkBlue, 1);
#endif
return;
}
if ((m_Spawned >= 4) && (m_Spawned < 5))
{
m_Spawned++;
}
m_RefreshRate = evt.Time - m_LastData;
m_LastData = evt.Time;
m_RemoteRefreshRate = m_Data.TimeStamp - m_OldData.TimeStamp;
m_Distance = Outils.distance(m_Data.Latitude, m_Data.Longitude, m_SendData.Latitude, m_SendData.Longitude, 'N');
#if DEBUG
if ((CounterIn - m_Counter_In) > 1)
{
Log.LogMessage("Peer [" + CallSign + "] Paquets Udp Manquants =" + (CounterIn - m_Counter_In - 1).ToString(), Color.DarkViolet, 1);
}
#endif
if (m_Spawned >= 5)
{
RefreshData();
}
}
#if DEBUG
else
{
Log.LogMessage("Peer [" + CallSign + "] Paquets Udp ignoré en retard de " + (m_Counter_In - CounterIn).ToString(), Color.DarkViolet, 1);
}
#endif
m_Counter_In = CounterIn;
}
finally
{
m_Mutex.ReleaseMutex();
}
}
break;
}
case Protocol.VERSION:
{
m_Version = reader.ReadByte();
if (m_Version == PROTO_VERSION)
{
m_Data.Title = reader.ReadString();
if (m_Spawned >= 3)
{
Spawn_AI(false);
}
m_Data.Type = reader.ReadString();
m_Data.Model = reader.ReadString();
m_Data.Category = reader.ReadString();
}
P2P.UpdateListItem(m_CallSign);
#if DEBUG
Log.LogMessage("Peer [" + CallSign + "] reçu numéro de version = " + m_Version.ToString(), Color.DarkBlue, 1);
#endif
break;
}
case Protocol.REQ_VERSION:
{
SendVersion();
break;
}
}
}
catch (Exception e)
{
Log.LogMessage("Peer [" + CallSign + "] Erreur d'analyse du datagramme : " + e.Message, Color.DarkViolet, 0);
}
}