private void OnServerStopped(ServerStopped ev)
{
_mainModel.Connections.ClearAllConnections();
App.Current.Dispatcher.Invoke(new Action(() =>
{
_mainModel.StatusBar.CurrentStatus = "Stopped.";
_mainModel.Info.StopUptimeCounter();
}));
}
internal void HandleServerStopped(object sender, EventArgs args)
{
ServerStopped?.Invoke(sender, args);
}
public void ServerStop()
{
ServerStopped.Add(Now);
}
internal void HandleServerStopped(object sender, EventArgs args)
{
WrappedEventHandler(() => ServerStopped?.Invoke(sender, args), "ServerStopped", sender);
}
private async Task AcceptConnections(CancellationToken cancelToken)
{
try
{
while (!cancelToken.IsCancellationRequested)
{
if (!_Listener.IsListening)
{
Task.Delay(100).Wait();
continue;
}
HttpListenerContext ctx = await _Listener.GetContextAsync().ConfigureAwait(false);
string ip = ctx.Request.RemoteEndPoint.Address.ToString();
int port = ctx.Request.RemoteEndPoint.Port;
string ipPort = ip + ":" + port;
lock (_PermittedIpsLock)
{
if (PermittedIpAddresses != null &&
PermittedIpAddresses.Count > 0 &&
!PermittedIpAddresses.Contains(ip))
{
Logger?.Invoke(_Header + "rejecting " + ipPort + " (not permitted)");
ctx.Response.StatusCode = 401;
ctx.Response.Close();
continue;
}
}
if (!ctx.Request.IsWebSocketRequest)
{
if (HttpHandler == null)
{
Logger?.Invoke(_Header + "non-websocket request rejected from " + ipPort);
ctx.Response.StatusCode = 400;
ctx.Response.Close();
}
else
{
Logger?.Invoke(_Header + "non-websocket request from " + ipPort + " HTTP-forwarded: " + ctx.Request.HttpMethod.ToString() + " " + ctx.Request.RawUrl);
HttpHandler.Invoke(ctx);
}
continue;
}
else
{
/*
* HttpListenerRequest req = ctx.Request;
* Console.WriteLine(Environment.NewLine + req.HttpMethod.ToString() + " " + req.RawUrl);
* if (req.Headers != null && req.Headers.Count > 0)
* {
* Console.WriteLine("Headers:");
* var items = req.Headers.AllKeys.SelectMany(req.Headers.GetValues, (k, v) => new { key = k, value = v });
* foreach (var item in items)
* {
* Console.WriteLine(" {0}: {1}", item.key, item.value);
* }
* }
*/
}
await Task.Run(() =>
{
Logger?.Invoke(_Header + "starting data receiver for " + ipPort);
CancellationTokenSource tokenSource = new CancellationTokenSource();
CancellationToken token = tokenSource.Token;
Task.Run(async() =>
{
WebSocketContext wsContext = await ctx.AcceptWebSocketAsync(subProtocol: null);
WebSocket ws = wsContext.WebSocket;
ClientMetadata md = new ClientMetadata(ctx, ws, wsContext, tokenSource);
_Clients.TryAdd(md.IpPort, md);
ClientConnected?.Invoke(this, new ClientConnectedEventArgs(md.IpPort, ctx.Request));
await Task.Run(() => DataReceiver(md), token);
}, token);
}, _Token).ConfigureAwait(false);
}
}
/*
* catch (HttpListenerException)
* {
* // thrown when disposed
* }
*/
catch (TaskCanceledException)
{
// thrown when disposed
}
catch (OperationCanceledException)
{
// thrown when disposed
}
catch (ObjectDisposedException)
{
// thrown when disposed
}
catch (Exception e)
{
Logger?.Invoke(_Header + "listener exception:" + Environment.NewLine + e.ToString());
}
finally
{
ServerStopped?.Invoke(this, EventArgs.Empty);
}
}
protected virtual void OnServerStopped()
{
ServerStopped?.Invoke(this, EventArgs.Empty);
}
protected void OnServerStopped()
{
ServerStopped?.Invoke(mvarID);
}
private void Listen()
{
IPAddress adress = IPAddress.Parse(_mainHost);
using (_mainSocket = new Socket(adress.AddressFamily, SocketType.Stream, ProtocolType.Tcp))
{
_mainSocket.Bind(new IPEndPoint(adress, _mainPort));
_mainSocket.Listen(100);
_isWork = true;
ServerStarted?.Invoke();
ConnectionsChange?.Invoke(clients.Count);
while (!_tryStop)
{
Socket clientSocket = _mainSocket.Accept();
lock (clients)
{
clients.Add(new ServerClient(clientSocket,
(disconnectedClient) =>
{
lock (clients)
{
if (clients.Contains(disconnectedClient) && !_tryStop)
{
clients.Remove(disconnectedClient);
if (disconnectedClient.UserName != "")
{
ClientLogoutEvent?.Invoke(disconnectedClient.UserName);
}
}
ConnectionsChange?.Invoke(clients.Count);
}
},
(header, sendedToAllData) =>
{
lock (clients)
{
foreach (ServerClient client in clients)
{
client.SendData(header, sendedToAllData);
}
}
},
(header, sendToUserData, userName) =>
{
lock (clients)
{
clients.FirstOrDefault(c => c.UserName == userName)?.SendData(header, sendToUserData);
}
},
(userName) =>
{
lock (clients)
{
if (clients.FirstOrDefault(c => c.UserName == userName) == null)
{
ClientLoginEvent?.Invoke(userName);
return(true);
}
}
return(false);
}));
ConnectionsChange?.Invoke(clients.Count);
}
}
lock (clients)
{
foreach (ServerClient c in clients)
{
c.Disconnect();
}
clients.Clear();
}
//_mainSocket.Shutdown(SocketShutdown.Both);
_mainSocket.Close();
_isWork = false;
ServerStopped?.Invoke();
}
}
internal void RaiseStoppedEvent()
{
IsStopped = true;
ServerStopped?.Invoke(this, EventArgs.Empty);
}
private void ServerInstance_Stopped(object sender, EventArgs e)
{
ServerStopped?.Invoke(this, null);
}
