private void CleanupClients()
{
var currentUnixTimestamp = BaseModel.GetCurrentUnixTimestamp();
var hasChange = false;
lock (Clients)
{
foreach (var client in Clients.ToList())
{
if (currentUnixTimestamp - client.RefreshTime > CConstant.ClientCleanupPeriod / 1000)
{
Clients.Remove(client);
RunOnUiThread(delegate
{
ClientRemoved?.Invoke(client);
});
hasChange = true;
}
}
}
if (hasChange)
{
RunOnUiThread(delegate
{
ClientsChanged?.Invoke(Clients);
});
}
}
private void HandleRequestConnectMessage(ClientPacket protocolPacket, IClientProtocol protocol, IPAddress address)
{
var client = Clients.FirstOrDefault(x => x.Id == protocolPacket.Id) as CClient;
if (client != null)
{
return;
}
var port = int.Parse(protocol.DataJson);
if (!CConstant.UdpListenerPort.Contains(port))
{
return;
}
client = new CClient()
{
Id = protocolPacket.Id,
Name = protocolPacket.Name,
Port = port,
Address = address,
};
client.CalculateChecksum();
client.Refresh();
lock (Clients)
{
Clients.Add(client);
}
RunOnUiThread(delegate
{
ClientNew?.Invoke(client);
ClientsChanged?.Invoke(Clients);
var generator = new Random();
var r = generator.Next(1, 1000000);
var passcode = r.ToString().PadLeft(6, '0');
client.Passcode = passcode;
});
var responseProtocol = new ServerProtocol()
{
Message = ServerMessage.RequestPasscode
};
SendServerPacket(ServerPacketType.Protocol, JsonConvert.SerializeObject(responseProtocol), client);
RunOnUiThread(delegate
{
client.State = ClientState.WaitingPasscode;
});
}
private void ClientOnDisconnected(object sender, EventArgs e)
{
var client = (Client)sender;
Logger.Debug("Notify administrations about the disconnect of CI-{0}", client.Id);
lock (_administrationListLock)
foreach (var administration in Administrations)
{
administration.Value.NotifyClientDisconnected(client);
}
Clients.TryRemove(client.Id, out client);
DynamicCommandManager.ClientDisconnected(client);
ClientsChanged?.Invoke(this, EventArgs.Empty);
DatabaseManager.SetLastSeen(client.Id);
}
private void RemoveClient(CClient client)
{
RunOnUiThread(delegate
{
client.State = ClientState.Refused;
});
lock (Clients)
{
Clients.Remove(client);
}
RunOnUiThread(delegate
{
ClientRemoved?.Invoke(client);
ClientsChanged?.Invoke(Clients);
});
}
private void ClientConnected(Client client, bool isNewClient)
{
Clients.TryAdd(client.Id, client);
Logger.Debug("Notify administrations about the connection of CI-{0}", client.Id);
lock (_administrationListLock)
foreach (var administration in Administrations)
{
if (!isNewClient)
{
administration.Value.NotifyClientConnected(client);
}
else
{
administration.Value.NotifyNewClient(client);
}
}
ClientsChanged?.Invoke(this, EventArgs.Empty);
DynamicCommandManager.OnClientJoin(client);
}