// This routine with be run synchronously with UDPWii.Server
public void SendDataPacket(UDPWii.DataDSU packet)
{
// If the server is not running, just drop the packet
if (tokenSource == null)
{
return;
}
lock (clients)
{
// If there's no client, skip the packet processing step and drop the packet
if (clients.Count == 0)
{
return;
}
List <IPEndPoint> toRemove = new List <IPEndPoint>();
DSU.DataRsp dsuPacket = packet.ToDSU(id);
byte[] dsuPacketData = dsuPacket.Finish();
//Console.WriteLine("[DSU.Sender] ({0}, {1})", dsuPacket.touch1.x, dsuPacket.touch1.y);
foreach (var keyValuePair in clients)
{
Client client = keyValuePair.Value;
if (!Util.IsTimeout(client.lastSeenAll) || !Util.IsTimeout(client.lastSeenSlot[packet.client.slot]))
{
udpSend.Send(dsuPacketData, dsuPacketData.Length, keyValuePair.Key);
}
else
{
// Is this client completely dead? If so, mark it for removal
// Reference: https://github.com/Davidobot/BetterJoy/blob/master/BetterJoyForCemu/UpdServer.cs
// We're here so lastSeenAll must have timed out
if (client.lastSeenSlot.All(Util.IsTimeout))
{
toRemove.Add(keyValuePair.Key);
}
}
//Console.WriteLine("[DSU.Sender] Packet sent to " + keyValuePair.Key.ToString());
}
// Clear all dead clients now to prevent concurrent modification
foreach (IPEndPoint key in toRemove)
{
Console.WriteLine("[DSU.Server] Removing dead client {0}", key.ToString());
clients.Remove(key);
}
}
}
private void TaskMain(CancellationToken token)
{
broadcaster.Start();
try
{
Task <UdpReceiveResult> taskRecv;
while (true)
{
token.ThrowIfCancellationRequested();
//Util.TimingStart();
taskRecv = udp.ReceiveAsync();
taskRecv.Wait(token);
//Console.WriteLine(Util.TimingEnd());
// Mark this server's client as "alive"
client.lastSeen = DateTime.Now;
// Box data for DSU.Sender
UDPWii.DataDSU packet = new UDPWii.DataDSU(taskRecv.Result.Buffer, client);
if (packet.flags == UDPWii.Data.Flags.None)
{
Console.WriteLine("[UDPWii.Server@{0}] Dropping invalid packet from {1}", client.slot, taskRecv.Result.RemoteEndPoint.ToString());
}
else
{
//Util.TimingStart();
DSU.Server.theInstance.SendDataPacket(packet);
//Console.Error.WriteLine(Util.TimingEnd());
}
}
}
catch (OperationCanceledException)
{
;
}
broadcaster.Stop();
}