private void HandleConnection(Connection connection)
{
ThreadPool.QueueUserWorkItem(delegate
{
OnConnection?.Invoke(this, connection);
});
}
// Runs in the scheduler thread.
// Doesn't throw. In case of error both `connection` and `reader` are set to null.
// Otherwise both are non-null.
void NewConnection(out IConnection <In, Out> connection, out Reader <In> reader)
{
connection = null;
var r = new Reader <In>();
try
{
connection = _connector.NewConnection();
Condition.Requires(connection).IsNotNull();
connection.OnMessage += (TimestampedMsg <In> msg) => r.Push(msg);
connection.Connect();
OnConnection?.Invoke(r, new SimpleWriter <In, Out>(connection));
// If OnConnection() handler swallowed read error exceptions, CheckHealth() will throw.
r.CheckHealth();
reader = r;
}
catch (Exception e)
{
_log.Warn(e, "Unable to connect. Will retry.");
if (connection != null)
{
try { connection.Dispose(); }
catch (Exception ex) { _log.Error(ex, "Ignoring exception from IConnection.Dispose()"); }
connection = null;
}
reader = null;
}
}
private void FinishConnection()
{
ConnectedBlocks.ForEach(block => block.IsConnected = false);
if (ConnectedBlocks.Count >= 3)
{
if (OnConnection != null)
{
OnConnection.Invoke(ConnectedBlocks.Count);
}
Board.RemoveBlocks(ConnectedBlocks);
Board.RefreshBlocks();
}
if (ConnectedBlocks.Count >= 4)
{
FindObjectOfType <GameManager>().RemainingTime++;
}
if (ConnectedBlocks.Count >= 5)
{
FindObjectOfType <GameManager>().RemainingTime += 3;
}
ConnectedBlocks.Clear();
CurrentColor = null;
RefreshConnector();
}
[ConditionalShow, SerializeField] private bool useless; //在没有数据的时候让标题正常显示
#endif
private void Awake()
{
NetworkSystem.OnUDPReceive += val => OnUDPReceive?.Invoke(val.message);
NetworkSystem.OnReceive += val => OnReceive?.Invoke(val);
NetworkSystem.OnConnection += () => OnConnection?.Invoke();
NetworkSystem.OnDisconnection += () => OnDisconnection?.Invoke();
}
protected override void FireConnection(Tcp.Connection connection, RequestHead req, string subprotocol, byte[] trail)
{
Connection newConnection = new Connection(connection, req, new Definition.Connection.ServerMode());
newConnection.SetSubprotocol(subprotocol);
OnConnection?.Invoke(newConnection);
newConnection.Initiate(trail);
}
public IModel Connect(CancellationToken cancellationToken, OnConnection onConnection)
{
this.cancellationToken = cancellationToken;
this.currentConnection = this.GetConnection();
this.currentChannel = this.currentConnection.CreateModel();
onConnection?.Invoke(this.currentChannel, this.connectionOptions);
this.isConsumingAlive = true;
return(this.currentChannel);
}
private void ProcessClient(TcpClient client)
{
ClientConnection clientConnection = new ClientConnection(client, SERVER_IP, PORT_NO);
Console.WriteLine(String.Format("New connection: {0}", client.Client.RemoteEndPoint));
ConnectionArgs args = new ConnectionArgs(clientConnection);
OnConnection?.Invoke(this, args);
ListenToClient(clientConnection);
}
private void SetDisconnected(string message = "Disconnected.")
{
_connectionStatus = message;
CloudFileWatcher.Access.SetAuthorization(null);
UserID = "";
_settings.Token = null;
OnConnection?.Invoke(this, new OnConnectionEvent {
IsSuccess = false
});
}
/// <summary>
/// Sets a token for the current session.
/// </summary>
/// <param name="token"></param>
private void SetConnected(Token token)
{
_connectionStatus = "Connected.";
CloudFileWatcher.Access.SetAuthorization(token);
UserID = token.user_id;
_settings.Token = token;
OnConnection?.Invoke(this, new OnConnectionEvent {
IsSuccess = true
});
}
private async Task Accept()
{
while (_running)
{
var tcpClient = await _listener.AcceptTcpClientAsync().ConfigureAwait(false);
var newXFireClient = new XFireClient(tcpClient, _clientManager, _logger, OnReceive, OnDisconnection);
OnConnection?.Invoke(newXFireClient);
}
}
private async void HandleClient()
{
while (listener.IsListening)
{
var context = await listener.GetContextAsync();
if (listener.IsListening)
{
OnConnection?.Invoke(this, context);
}
}
}
private void ClientHandler(TcpClient client)
{
ConnectionEventArgs connectionEvent = new ConnectionEventArgs(client);
if (connectionEvent.Request.URL == null)
{
connectionEvent.Response.Close();
return;
}
OnConnection?.Invoke(this, connectionEvent);
}
protected SocketManager()
{
Namespaces = new Dictionary <string, Namespace>();
var defaultNsp = new Namespace("/");
Default = defaultNsp;
lock (Namespaces)
{
Namespaces.Add("/", defaultNsp);
}
defaultNsp.OnConnection += socket => { OnConnection?.Invoke((T)socket); };
}
private void SetConnectionState(ConnectionState newState)
{
var oldState = _connectionState;
_connectionState = newState;
if (oldState == newState)
{
return;
}
Connected = newState == ConnectionState.Connected;
OnConnection?.Invoke(_connectionState);
}
public ServerConnection(CreateConnection creator)
{
_thread = new Thread(() =>
{
while (true)
{
IConnection connection = creator();
OnConnection?.Invoke(this, new ConnectionEventArgs {
Socket = connection
});
}
});
_thread.Start();
}
private async Task Accept()
{
while (_running)
{
Context session = new Context(await _listener.AcceptTcpClientAsync().ConfigureAwait(false));
Debug.WriteLine("Client connected {0} and assigned session id {1}", session.TcpClient.Client.RemoteEndPoint, session.SessionId);
OnConnection?.Invoke(session);
#pragma warning disable 4014
// Fire and forget. Can't be bothered to fix right now. This whole class needs to be rewritten and decoupled
Receive(session);
#pragma warning restore 4014
}
}
public void AddSocket(ISocket socket)
{
socket.OnDisconnect += (status, reason) =>
{
lock (Sockets)
{
Sockets?.Remove(socket);
}
};
lock (Sockets)
{
Sockets.Add(socket);
}
OnConnection?.Invoke(socket);
}
//Pause connections. Used by aTello when app paused.
public void ConnectionSetPause(bool pause)
{
//NOTE only pause if connected and only un-pause (connect) when paused.
if (pause && _connectionState == ConnectionState.Connected)
{
SetConnectionState(ConnectionState.Paused);
}
else if (pause == false && _connectionState == ConnectionState.Paused)
{
//NOTE:send un-pause and not connection event
OnConnection?.Invoke(ConnectionState.UnPausing);
_connectionState = ConnectionState.Connected;
}
}
private void ConnectToServer(IPEndPoint endpoint)
{
try
{
client = new System.Net.Sockets.TcpClient();
client.Connect(endpoint);
}
catch (Exception e)
{
Debug.Log(e.Message);
}
OnConnection?.Invoke();
ReadServerMessage();
}
internal void InitGamePadHandlers()
{
_gamePadHandlers = new GamePadHandler[MaxGamePads];
for (int i = 0; i < MaxGamePads; i++)
{
var handle = _gamePadHandlers[i] = new GamePadHandler(i);
// Redirect Events.
handle.OnConnection += () => OnConnection?.Invoke(handle);
handle.OnDisconnect += () => OnDisconnected?.Invoke(handle);
handle.OnButtonDown += (button, value) => OnButtonDown?.Invoke(handle, button, value);
handle.OnButtonUp += (button, value) => OnButtonUp?.Invoke(handle, button, value);
handle.OnButtonPressed += (button, value) => OnButtonPressed?.Invoke(handle, button, value);
handle.OnButtonClicked += (button, value) => OnButtonClicked?.Invoke(handle, button, value);
handle.OnButtonReleased += (button, value) => OnButtonReleased?.Invoke(handle, button, value);
}
}
/// <summary>
/// Handle a HTTP Upgrade request.
/// </summary>
/// <param name="req"></param>
/// <param name="conn"></param>
public void HandleUpgrade(HttpServerRequest req, TcpSocket socket, ArraySegment <byte> head)
{
if (!socket.Readable || !socket.Writable)
{
socket.Destroy();
return;
}
if (OnConnection == null)
{
AbortConnection(socket, 400);
return;
}
var upgrade = req.Headers["upgrade"];
var version = req.Headers["sec-websocket-version"];
if ((version != "13" && version != "8") ||
!string.Equals(upgrade, "websocket", StringComparison.InvariantCultureIgnoreCase))
{
socket.Write(Encoding.ASCII.GetBytes(
"HTTP/1.1 400 Bad Request\r\n" +
"Connection: close\r\n" +
"Sec-WebSocket-Version: 13, 8\r\n"));
socket.Close();
return;
}
string acceptKey;
using (var sha1 = new System.Security.Cryptography.SHA1CryptoServiceProvider()) {
var key = req.Headers["sec-websocket-key"];
acceptKey = Convert.ToBase64String(sha1.ComputeHash(Encoding.ASCII.GetBytes(key + GUID)));
}
socket.Write(Encoding.UTF8.GetBytes(
"HTTP/1.1 101 Switching Protocols\r\n" +
"Upgrade: websocket\r\n" +
"Connection: Upgrade\r\n" +
"Sec-WebSocket-Accept: " + acceptKey + "\r\n\r\n"));
socket.Flush();
OnConnection.Invoke(new WebSocket(socket, req, head));
}
public bool TryConnect()
{
_logger.LogInformation("RabbitMQ Client is trying to connect");
if (IsConnected)
{
return(true);
}
lock (sync_root)
{
var policy = RetryPolicy.Handle <SocketException>()
.Or <BrokerUnreachableException>()
.WaitAndRetry(_retryCount, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)), (ex, time) =>
{
_logger.LogWarning($"RabbitMQ Client could not connect after {time.TotalSeconds:n1}s ({ex.Message})");
}
);
policy.Execute(() =>
{
_connection = _connectionFactory
.CreateConnection();
});
if (IsConnected)
{
_connection.ConnectionShutdown += OnConnectionShutdown;
_connection.CallbackException += OnCallbackException;
_connection.ConnectionBlocked += OnConnectionBlocked;
OnConnection?.Invoke(this, _connection);
return(true);
}
else
{
_logger.LogCritical("FATAL ERROR: RabbitMQ connections could not be created and opened");
LoopTryConnect();
return(false);
}
}
}
private void FinishConnection()
{
_connectedBlocks
.ForEach(block => block.isConnected = false);
if (_connectedBlocks.Count >= 3)
{
if (OnConnection != null)
{
OnConnection.Invoke(_connectedBlocks.Count);
}
_board.RemoveConnectedBlocks(_connectedBlocks);
_board.RefreshBlocks();
}
_connectedBlocks.Clear();
_currentColor = null;
RefreshConnection();
}
/// <summary>
/// funkcja wyświetlana w momencie, gdy użytkownik przestawał dotykać ekran
/// </summary>
private void FinishConnection()
{
ConnectedBlocks
.ForEach(block => block.IsConnected = false);
if (ConnectedBlocks.Count >= 3) // sprawdzenie czy gracz połączył przynajmniej 3 bloki
{
if (OnConnection != null)
{
OnConnection.Invoke(ConnectedBlocks.Count);
}
Board.RemoveBlocks(ConnectedBlocks); // usuwanie poszczególnych bloków
Board.RefreshBlocks(); // przesunięcie poszczególnych elementów na planszy
}
ConnectedBlocks.Clear();
CurrentColor = null;
RefreshConnector();
}
private void FinishConnection()
{
ConnectedBlocks
.ForEach(block => block.IsConnected = false);
if (ConnectedBlocks.Count >= 3)
{
if (OnConnection != null)
{
OnConnection.Invoke(ConnectedBlocks.Count);
}
Board.RemoveBlocks(ConnectedBlocks);
Board.RefreshBlocks();
}
ConnectedBlocks.Clear();
CurrentColor = null;
RefreshConnection();
}
public async Task ConnectionStartAsync(Uri uri)
{
await Task.Run(() =>
{
try
{
_info = new IBusService.ConnectionInfo(uri, MqttConfiguration.TopicMatcher(uri));
_error = null;
_client = new MqttClient(uri.Host, uri.Port, false, null, null, MqttSslProtocols.None)
{
ProtocolVersion = MqttProtocolVersion.Version_3_1
};
var code = default(byte);
if (string.IsNullOrEmpty(uri.UserInfo))
{
code = _client.Connect(Guid.NewGuid().ToString());
}
else
{
var bUri = new UriBuilder(uri);
code = _client.Connect(Guid.NewGuid().ToString(), bUri.UserName, bUri.Password);
}
_client.Subscribe(new[] { _info.Topic }, new[] { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE });
_client.MqttMsgPublishReceived += DefaultClient_MqttMsgPublishReceived;
OnConnection?.Invoke(code);
}
catch (Exception e)
{
_error = e;
}
finally
{
OnStatusChange?.Invoke(GetConnectionStatus(), _info);
}
});
}
public async Task Start()
{
await using var ctx = new NovaContext();
await ctx.EnsureUpdatedAsync();
_server.Start();
RegisterAssembly(typeof(Server).Assembly);
RegisterAssembly(Assembly.GetEntryAssembly());
_server.NewConnection += point =>
{
var connection = new Connection(point, _server);
Connections.Add(connection);
OnConnection?.Invoke(connection);
};
_server.Disconnection += point =>
{
var connection = Connections.FirstOrDefault(c => c.EndPoint.Equals(point));
if (connection == default)
{
return;
}
Connections.Remove(connection);
OnDisconnect?.Invoke(connection);
};
_server.PacketReceived += (point, bytes) =>
{
var connection = Connections.FirstOrDefault(c => c.EndPoint.Equals(point));
if (connection == default)
{
Logger.Warning($"{point} is not connected but we still got data from them!");
return;
}
using var stream = new MemoryStream(bytes);
using var reader = new BitReader(stream);
var id = (MessageIdentifiers)reader.Read <byte>();
if (id != MessageIdentifiers.UserPacketEnum)
{
Logger.Error($"Invalid packet: {id}");
return;
}
HandlePacket(reader, connection);
reader.BaseStream.Position = 0;
OnPacket?.Invoke(connection, reader);
};
var request = ctx.WorldServerRequests.FirstOrDefault(w => w.SpecificationId == Id);
if (request != default)
{
Logger.Information($"Request found for {Id}");
request.State = WorldServerRequestState.Complete;
await ctx.SaveChangesAsync();
}
await ctx.DisposeAsync();
while (true)
{
var command = Console.ReadLine();
}
}
/// <summary>
/// As a server, we will listen on the main socket
/// and spawn of other sockets for incomming connetions.
///
/// Those connections will be maintined untill the die
/// </summary>
private void Listen()
{
IPAddress [] addresses = Dns.GetHostAddresses(Dns.GetHostName());
// Create a TCP/IP socket.
foreach (IPAddress curAddr in addresses)
{
try {
IPEndPoint ipe = new IPEndPoint(curAddr, Port);
connection = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
connection.Bind(ipe);
connection.Blocking = false;
connection.Listen(10);
IsListining = true;
break;
} catch (SocketException) {
//something mesed up during our connection attempt.
//Wont crash out of the loop since we might have more IPs to try
continue;
}
}
if (!IsListining)
{
OnConnection?.Invoke("listen", ConnectionStatus.Failure);
}
else
{
OnConnection?.Invoke("listen", ConnectionStatus.Succes);
Listner = new Thread(() => {
while (true)
{
if (!KillConnection)
{
try {
Socket tempListener = connection.Accept();
OnConnection?.Invoke(Address + ":" + Port, ConnectionStatus.Succes);
new Thread((soc) => {
Socket tempSocket = soc as Socket;
while (true)
{
byte[] buffer = new byte[MsgSize];
if (KillConnection)
{
tempSocket.Shutdown(SocketShutdown.Both);
}
int size = 0;
try {
size = tempSocket.Receive(buffer);
String temp = Util.BtoS(buffer);
OnMsg?.Invoke(tempSocket, temp);
} catch (SocketException e) {
if (e.ErrorCode == (int)SocketError.ConnectionAborted || e.ErrorCode != (int)SocketError.WouldBlock)
{
KillConnection = true;
size = 0;
}
} catch (ObjectDisposedException) {
break;
}
if (size == 0 && KillConnection)
{
OnBadThing?.Invoke();
tempSocket.Close();
tempSocket.Dispose();
break;
}
Thread.Sleep(100);
}
OnConnection?.Invoke(Address + ":" + Port, ConnectionStatus.Failure);
}).Start(tempListener);
} catch (SocketException e) {
//If the accept call has nothing to accept, this will do nothing
//All other errors are re-thrown.
if (e.ErrorCode != (int)SocketError.WouldBlock)
{
throw e;
}
}
}
else
{
try {
connection.Shutdown(SocketShutdown.Both);
} catch (SocketException) {
//The socket was not connected/listening.
}
connection.Close();
connection.Dispose();
break;
}
Thread.Sleep(100);
}
});
Listner.Start();
}
}
internal void FireConnection(TcpSocket socket) => OnConnection?.Invoke(socket);
/// <summary>
/// Tries to connect to a server, and then start a listing loop.
/// </summary>
private void Connect()
{
if (String.IsNullOrEmpty(Address))
{
return;
}
IPAddress [] addresses;
if (Address == "localhost")
{
addresses = Dns.GetHostAddresses(Dns.GetHostName());
}
else
{
addresses = Dns.GetHostAddresses(Address);
}
// Loop through the AddressList to obtain the supported AddressFamily. This is to avoid
// an exception that occurs when the host IP Address is not compatible with the address family
// (typical in the IPv6 case).
foreach (IPAddress curAddr in addresses)
{
try {
IPEndPoint ipe = new IPEndPoint(curAddr, Port);
connection = new Socket(ipe.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
connection.Connect(ipe);
//If we connect, start a simple listining loop.
if (connection.Connected)
{
OnConnection?.Invoke(Address + ":" + Port, ConnectionStatus.Succes);
Listner = new Thread(() => {
while (true)
{
byte[] buffer = new byte[MsgSize];
int size = 0;
try {
size = connection.Receive(buffer);
} catch (SocketException) {
KillConnection = true;
size = 0;
}
if (size == 0 && KillConnection)
{
OnBadThing?.Invoke();
connection.Close();
connection.Dispose();
break;
}
//connection.Send(buffer);
String temp = Util.BtoS(buffer);
OnMsg?.Invoke(connection, temp);
Thread.Sleep(100);
}
});
Listner.Start();
return;
}
else
{
continue;
}
} catch (SocketException) {
//something mesed up during our connection attempt.
//Wont crash out of the loop since we might have more IPs to try
continue;
}
}
OnConnection?.Invoke(Address + ":" + Port, ConnectionStatus.Failure);
connection = null;
}
