public static async ValueTask <TcpListenerManager> CreateAsync(OmniAddress listenAddress, bool useUpnp, IUpnpClientFactory upnpClientFactory, CancellationToken cancellationToken = default)
{
var tcpListenerManager = new TcpListenerManager(useUpnp, upnpClientFactory);
await tcpListenerManager.InitAsync(listenAddress, cancellationToken);
return(tcpListenerManager);
}
public static async ValueTask EventLoopAsync(string databaseDirectoryPath, OmniAddress listenAddress, CancellationToken cancellationToken = default)
{
await using var service = await AxisService.CreateAsync(databaseDirectoryPath, cancellationToken);
using var tcpListenerManager = new TcpListenerManager(listenAddress, cancellationToken);
var tasks = new List <Task>();
try
{
for (; ;)
{
var socket = await tcpListenerManager.AcceptSocketAsync();
var task = InternalEventLoopAsync(service, socket, cancellationToken);
tasks.Add(task);
}
}
catch (OperationCanceledException e)
{
_logger.Debug("OperationCanceledException", e);
}
}
static void Main(string[] args)
{
string pipeName;
TcpListenerManager listenerManager = null;
Socket host = null;
Socket tablet = null;
ClientHandler cHandler = null;
Thread clientThread = null;
Thread observerThread = null;
string RoomName;
string port;
byte[] buffer = new byte[128];
//실행 매개변수는 pipe name과 방의 이름이다.
if (args.Length == 2)
{
RoomName = args[0];
pipeName = args[1];
}
else
{
Console.WriteLine("Argument is invalied");
foreach (var arg in args)
{
Console.WriteLine(arg);
}
Environment.Exit(0);
return;
}
NamedPipeClientStream pipe = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut);
pipe.Connect();
var ss = new StreamString(pipe);
if (ss.ReadString() == "NameServer::StartRoom") //>>1
{
port = ss.ReadString(); //>>4
try
{
listenerManager = new TcpListenerManager(port);
listenerManager.StartListening();
while (true)
{
//Drawing Server에 연결되면 Client는 최초로 자신에 대해 전송한다.
Socket temp = listenerManager.TcpListener.AcceptSocket();
int recvSize = temp.Receive(buffer, buffer.Length, SocketFlags.None);
if (recvSize > 0)
{
string message = Encoding.UTF8.GetString(buffer, 0, recvSize);
string[] toks = message.Split(AppData.Delimiter);
foreach (var tok in toks)
{
if (tok == "")
{
continue;
}
if (tok.Contains(AppData.ServerCommand))
{
if (tok == AppData.ServerCommand + "Host")
{
host = temp;
}
else if (tok == AppData.ServerCommand + "Tablet")
{
tablet = temp;
}
else if (tok == AppData.ServerCommand + "Guest")
{
}
}
}
}
else
{
var message = Encoding.UTF8.GetBytes("@FAIL");
temp.Send(buffer, buffer.Length, SocketFlags.None);
continue;
}
// host와 host tablet이 접속해야 실제 Drawing을 시작한다.
if (host == null || tablet == null)
{
continue;
}
else
{
if (clientThread == null)
{
cHandler = new ClientHandler(host, tablet, RoomName);
clientThread = new Thread(new ThreadStart(cHandler.RunDrawing));
clientThread.Start();
//Drawing Thread를 Join하고 Listen loop를 끝내기 위한 Observer Thread
var observer = new ThreadObserver(clientThread, listenerManager);
observerThread = new Thread(new ThreadStart(observer.runObserving));
observerThread.Start();
}
else
{
//현재 포함된 Guest의 수를 확인하고 지정된 수보다 적으면 접속, 아니면 실패를 통지
if (cHandler.GuestEnterRequest())
{
cHandler.GuestEnter(temp);
}
else
{
var message = Encoding.UTF8.GetBytes(CommendBook.DRAWING_ROOM_FULL);
temp.Send(message, message.Length, SocketFlags.None);
}
}
}
}
}
catch (SocketException)
{
Console.WriteLine(RoomName + " Drawing Thread Join");
}
catch (Exception exp)
{
Console.WriteLine("Exception : " + exp.Message);
}
finally
{
if (listenerManager.IsListening)
{
listenerManager.StopListening();
}
observerThread.Join();
}
Console.WriteLine("$RoomServer::" + RoomName + " => Closed");
Environment.Exit(0);
}
else
{
Console.WriteLine("Server could not be verified.");
}
pipe.Close();
Environment.Exit(0);
}
