/// <summary>
/// On connection established event
/// </summary>
/// <param name="end">client address</param>
protected virtual void OnConnectionEstablished(IPEndPoint end)
{
try
{
ConnectionEstablished?.Invoke(this, new ConnectionEventArgs()
{
Address = end.ToString(),
ConnectionTime = DateTime.Now
});
}
catch
{
throw;
}
}
/// <summary>
/// (re)establish the connection to the specified ip
/// </summary>
/// <returns></returns>
public void Connect()
{
Task.Run(() => {
Thread.CurrentThread.CurrentUICulture = new CultureInfo("en-us");
Debug.WriteLine($"Trying to connect to {ip}");
client = new TcpClient();
try {
client.Connect(ip, 8888);
Debug.WriteLine("Connection successfull");
stream = client.GetStream();
ConnectionEstablished?.Invoke(this, EventArgs.Empty);
} catch (SocketException e) {
ConnectFailed?.Invoke(this, EventArgs.Empty);
Debug.WriteLine($"Couldn't connect because of {e}");
}
});
}
public SerialPortRUSConnectionInterface(IInterface port)
{
_port = port;
_port.ConnectionEstablished += _base_ConnectionEstablished;
_port.ConnectionClosed += _base_ConnectionClosed;
void _base_ConnectionClosed(object sender, EventArgs e)
{
ConnectionClosed?.Invoke(sender, e);
}
void _base_ConnectionEstablished(object sender, EventArgs e)
{
ConnectionEstablished?.Invoke(sender, e);
}
}
public void Open(string portName, int baudRate)
{
if (IsOpen)
{
Close();
}
var status = getDevice(out _openedDevice);
status = status == FT_STATUS.FT_OK ? _ftdi.OpenByLocation(_openedDevice.LocId) : status;
status = status == FT_STATUS.FT_OK ? _ftdi.SetBaudRate(baudRate.ToUInt32()) : status;
status = status == FT_STATUS.FT_OK ? _ftdi.SetDataCharacteristics(8, 0, 0) : status;
status = status == FT_STATUS.FT_OK ? _ftdi.SetFlowControl(0x0000, 0x00, 0x00) : status;
status = status == FT_STATUS.FT_OK ? _ftdi.SetLatency(1) : status;
status = status == FT_STATUS.FT_OK ? _ftdi.SetUSBParameters(32768, 0) : status;
status = status == FT_STATUS.FT_OK ? _ftdi.SetTimeouts(1, 1) : status;
if (status == FT_STATUS.FT_OK)
{
PortName = portName;
ConnectionEstablished?.Invoke(this);
}
else
{
Logger.LogError($"Не удалось открыть порт {portName}", $"-MSG, статус: {status}");
_openedDevice = null;
Close();
}
FT_STATUS getDevice(out FT_DEVICE_INFO_NODE device)
{
var index = portName
.SkipWhile(char.IsLetter)
.Aggregate()
.ParseToUInt32Invariant();
device = getAllDevices().ElementAtOrDefault((int)index);
return(device == null ? FT_STATUS.FT_DEVICE_NOT_FOUND : FT_STATUS.FT_OK);
}
}
private void OnStateChangedEvent(UnityMCPeerID arg1, UnityMCSessionState arg2)
{
// todo: handle multi-user
Debug.Log("State: " + arg2.ToString() + " with user: "******"Unexpected state: " + arg2);
break;
}
}
public bool Connect()
{
CloseConnection();
TCPClient = new TcpClient();
try
{
TCPClient.Connect(IPAddress, Port);
DataStream = TCPClient.GetStream();
Log($"connect successully!!");
Init();
Log($"invoking ConnectionEstablished");
ConnectionEstablished?.Invoke();
Log($"invoking ConnectionEstablished, done");
return(true);
}
catch (Exception e)
{
Log($"exception thrown when connecting {e.Message}");
TCPClient.Dispose();
return(false);
}
}
/// <summary>
/// Accept new connections.
/// </summary>
/// <param name="asyncResult"></param>
private void AcceptCallback(IAsyncResult asyncResult)
{
//Stops accepting new connections when listenSocket is shutdown
if (State == ServerState.Down)
{
return;
}
//Accept the new connection
Socket acceptedSocket = listenSocket.EndAccept(asyncResult);
byte clientId = AddClient(acceptedSocket);
//Send the id to the client
acceptedSocket.Send(Commands.SetPlayerId(clientId));
//Start receiving data from the client
ConnectionEstablished?.Invoke();
BeginReceiving(acceptedSocket);
//Start accepting the next connection
BeginAccepting();
}
public void Start()
{
if (socket != null && ClientOptions != null)
{
if (!Running)
{
Running = true;
ConnectionEstablished?.Invoke(this);
DOSWatch = Stopwatch.StartNew();
pingWatch = Stopwatch.StartNew();
BeginReceive();
}
else
{
throw new InvalidOperationException("Client is already running");
}
}
else
{
throw new InvalidOperationException("Socket or SocketOptions can't be null");
}
}
private void SendReadyToServer()
{
byte[] data = BitConverter.GetBytes((short)LocalConnectionID);
Send(ConnectionID, ReliableChannel, ClientReadyMsg, data);
ConnectionEstablished?.Invoke(m_Connections[LocalConnectionID]);
}
protected virtual void OnConnectionEstablished(WampSessionCreatedEventArgs e)
{
ConnectionEstablished?.Invoke(this, e);
}
private void OnConnectionEstablished()
{
ConnectionEstablished?.Invoke();
}
protected void OnConnectionEstablished(ConnectionEventArgs e)
{
ConnectionEstablished?.Invoke(this, e);
}
public virtual void OnConnectionEstablished(ConnectionEstablishedArgs e)
{
ConnectionEstablished?.Invoke(this, e);
}
private void OnConnectionEstablished()
{
ConnectionEstablished?.Invoke(this, new EventArgs());
}
/// <summary>
/// Called when a remote peer is connecting to the local peer.
/// </summary>
/// <param name="stream">
/// The stream to the remote peer.
/// </param>
/// <param name="local">
/// The local peer's address.
/// </param>
/// <param name="remote">
/// The remote peer's address.
/// </param>
/// <remarks>
/// Establishes the protocols of the connection. Any exception is simply
/// logged as warning.
/// </remarks>
async void OnRemoteConnect(Stream stream, MultiAddress local, MultiAddress remote)
{
// If the remote is already trying to establish a connection, then we
// can just refuse this one.
if (!pendingRemoteConnections.TryAdd(remote, null))
{
log.Debug($"Duplicate remote connection from {remote}");
stream.Dispose();
return;
}
try
{
log.Debug($"{LocalPeer.Id} got remote connection");
log.Debug("local " + local);
log.Debug("remote " + remote);
// TODO: Check the policies
var connection = new PeerConnection
{
IsIncoming = true,
LocalPeer = LocalPeer,
LocalAddress = local,
LocalPeerKey = LocalPeerKey,
RemoteAddress = remote,
Stream = stream
};
// Are we communicating to a private network?
if (NetworkProtector != null)
{
connection.Stream = await NetworkProtector.ProtectAsync(connection).ConfigureAwait(false);
}
// Mount the protocols.
MountProtocols(connection);
// Start the handshake
// TODO: Isn't connection cancel token required.
connection.ReadMessages(default(CancellationToken));
// Wait for security to be established.
await connection.SecurityEstablished.Task.ConfigureAwait(false);
// TODO: Maybe connection.LocalPeerKey = null;
// Wait for the handshake to complete.
var muxer = await connection.MuxerEstablished.Task;
// Need details on the remote peer.
Identify1 identify = null;
lock (protocols)
{
identify = protocols.OfType <Identify1>().First();
}
connection.RemotePeer = await identify.GetRemotePeer(connection, default(CancellationToken)).ConfigureAwait(false);
connection.RemotePeer = RegisterPeer(connection.RemotePeer);
connection.RemoteAddress = new MultiAddress($"{remote}/ipfs/{connection.RemotePeer.Id}");
var actual = Manager.Add(connection);
if (actual == connection)
{
ConnectionEstablished?.Invoke(this, connection);
}
}
catch (Exception e)
{
log.Warn("Remote connect failed", e);
try
{
stream.Dispose();
}
catch (Exception)
{
// eat it.
}
}
finally
{
pendingRemoteConnections.TryRemove(remote, out object _);
}
}
public MockTCP(MockWire wire)
{
this.wire = wire;
wire.Connect += () => ConnectionEstablished?.Invoke();
wire.Disconnect += () => ConnectionLost?.Invoke();
}
//Triggers
private void OnConnectionEstablished(Client client)
{
ConnectionEstablished?.Invoke(this, new ConnectionEventArgs {
LocalEndPoint = client.Socket.LocalEndPoint, RemoteEndPoint = client.Socket.RemoteEndPoint
});
}
private void OnConnectionEstablished(string comPort, int baudRate)
{
LastConnectedPort = comPort;
ConnectionEstablished?.Invoke(comPort, baudRate);
}
private async Task TryConnect()
{
Action <string> ConnectionFailed = message => ConnectionEstablished?.Invoke(this, ViewModelEventArgs.Error(message));
Action <string> ConnectionSuccessful = message => ConnectionEstablished?.Invoke(this, ViewModelEventArgs.Information(message));
if (string.IsNullOrWhiteSpace(address))
{
ConnectionFailed("Please, fill in the Address of the device.");
return;
}
if (string.IsNullOrWhiteSpace(port))
{
port = "80";
}
IsConnecting = true;
var client = Dependency.Resolve <HttpClient>();
try
{
using (var body = new StringContent(Protocol.HelloMessage, Encoding.UTF8, "application/xml"))
{
using (var response = await client.PostAsync("http://" + address + ":" + port + "/", body))
{
if (response.IsSuccessStatusCode)
{
var content = await response.Content.ReadAsStringAsync();
if (content != null)
{
if (content == Protocol.HelloReply)
{
var connection = Dependency.Resolve <Connection>();
connection.Address = address;
connection.Port = Convert.ToInt32(port);
HasConnection = true;
ConnectionSuccessful("Success");
}
else
{
ConnectionFailed("Device did not respond correctly. Error may be in the network.");
}
}
else
{
ConnectionFailed("Device is not responding correctly.");
}
}
else
{
ConnectionFailed("Connection was not properly established with the device.");
}
}
}
}
catch (Exception ex)
{
ConnectionFailed("Device did not respond. Reason:\r\n" + ex.Message);
}
IsConnecting = false;
}
private void RaiseConnectionEstablished(string sessionId, string serverIdent)
{
ConnectionEstablished?.Invoke(this,
new WampConnectionEstablishedEventArgs(sessionId, serverIdent));
}
/// <summary>
/// Establish a duplex stream between the local and remote peer.
/// </summary>
/// <param name="remote"></param>
/// <param name="addrs"></param>
/// <param name="cancel"></param>
/// <returns></returns>
async Task <PeerConnection> Dial(Peer remote, IEnumerable <MultiAddress> addrs, CancellationToken cancel)
{
log.Debug($"Dialing {remote}");
if (remote == LocalPeer)
{
throw new Exception("Cannot dial self.");
}
// If no addresses, then ask peer routing.
if (Router != null && addrs.Count() == 0)
{
var found = await Router.FindPeerAsync(remote.Id, cancel).ConfigureAwait(false);
addrs = found.Addresses;
remote.Addresses = addrs;
}
// Get the addresses we can use to dial the remote.
var possibleAddresses = (await Task.WhenAll(addrs.Select(a => a.ResolveAsync(cancel))).ConfigureAwait(false))
.SelectMany(a => a)
.Select(a => a.WithPeerId(remote.Id))
.Distinct()
.ToArray();
// TODO: filter out self addresses and others.
if (possibleAddresses.Length == 0)
{
throw new Exception($"{remote} has no known address.");
}
// Try the various addresses in parallel. The first one to complete wins.
PeerConnection connection = null;
try
{
using (var timeout = new CancellationTokenSource(TransportConnectionTimeout))
using (var cts = CancellationTokenSource.CreateLinkedTokenSource(timeout.Token, cancel))
{
var attempts = possibleAddresses
.Select(a => DialAsync(remote, a, cts.Token));
connection = await TaskHelper.WhenAnyResult(attempts, cts.Token).ConfigureAwait(false);
cts.Cancel(); // stop other dialing tasks.
}
}
catch (Exception e)
{
var attemped = string.Join(", ", possibleAddresses.Select(a => a.ToString()));
log.Trace($"Cannot dial {attemped}");
throw new Exception($"Cannot dial {remote}.", e);
}
// Do the connection handshake.
try
{
MountProtocols(connection);
IEncryptionProtocol[] security = null;
lock (protocols)
{
security = protocols.OfType <IEncryptionProtocol>().ToArray();
}
await connection.InitiateAsync(security, cancel).ConfigureAwait(false);
await connection.MuxerEstablished.Task.ConfigureAwait(false);
Identify1 identify = null;
lock (protocols)
{
identify = protocols.OfType <Identify1>().First();
}
await identify.GetRemotePeer(connection, cancel).ConfigureAwait(false);
}
catch (Exception)
{
connection.Dispose();
throw;
}
var actual = Manager.Add(connection);
if (actual == connection)
{
ConnectionEstablished?.Invoke(this, connection);
}
return(actual);
}
public void Open(string portName, int baudRate)
{
IsOpen = true;
ConnectionEstablished?.Invoke(this);
}
void _base_ConnectionEstablished(object sender, EventArgs e)
{
ConnectionEstablished?.Invoke(this, e);
}
/// <summary>
/// Raises the <see cref="E:ConnectionEstablished" /> event.
/// </summary>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
protected internal void OnConnectionEstablished(EventArgs e)
{
ConnectionEstablished?.Invoke(this, e);
}
