public async void Start()
{
try
{
Listener.Start();
Running = true;
}
catch (Exception e)
{
Console.WriteLine(String.Format("Error occured during server starting: {0}", e.Message));
}
while (Running)
{
try
{
var client = await Listener.AcceptTcpClientAsync();
process(client);
}
catch (Exception e)
{
Console.WriteLine(String.Format("Error occured during client connecting: {0}", e.Message));
}
}
}
public async Task RunServer()
{
Listener.Start();
while (true)
{
_ = await Listener.AcceptTcpClientAsync().ContinueWith(async(t) =>
{
byte[] buffer = new byte[1024];
GPSUser user = new GPSUser(t.Result);
while (true)
{
string input = await getUserInput(user.client, buffer);
Array.Clear(buffer, 0, buffer.Length);
//Console.WriteLine($"CLIENT: {input}");
_ = Task.Run(async() =>
{
string response = "";
try
{
response = await processCommand(user, input);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
//.WriteLine($"SERVER: {response}");
await Send(user.client, response);
});
}
});
}
}
/// <summary>
/// Accepts the new TCP connections until cancelled.
/// </summary>
private async Task AcceptLoopAsync()
{
while (true)
{
TcpClient client;
try
{
client = await Listener.AcceptTcpClientAsync();
}
catch
{
if (!CancellationTokenSource.IsCancellationRequested)
{
await Session.RemoveTunnelAsync(this);
}
break;
}
var connection = new TcpServerConnection(Id, Session, client);
try
{
await Session.AddConnection(connection, CancellationTokenSource.Token);
await connection.StartAsync();
}
catch
{
System.Diagnostics.Debug.WriteLine("Failed to add connection for new TCP client.");
}
}
}
protected virtual async Task OpenSocketAsync()
{
await StartListeningAsync();
Logger.LogDebug($"Server {Name} is waiting for connection on port {Port} at {IpAddress}...");
// use Task.Run to pass the cancellation token so the Listener stops when the Token is cancelled.
Client = await Task.Run(() => Listener?.AcceptTcpClientAsync(), StopToken.Token);
}
public async Task Connect(CancellationToken ct)
{
ct.Register(() => Listener.Stop());
Client = await Listener.AcceptTcpClientAsync();
var stream = Client.GetStream();
Reader = new StreamReader(stream);
Writer = new StreamWriter(stream);
}
Task _Start()
{
return(Task.Run(async() =>
{
Listener.Start();
while (!IsClosed)
{
TcpClient client = await Listener.AcceptTcpClientAsync();
_AddClient(client);
}
}));
}
private void SocketConnectHandler()
{
while (IsRunning)
{
var clientTask = Listener.AcceptTcpClientAsync();
if (clientTask.Result != null)
{
var socketClient = new ConnectedClientTcpHandler(clientTask.Result);
Log.Info($"Client {socketClient.ConnectionId} connected.");
_clientsByConnectionId.Add(socketClient.ConnectionId, socketClient);
ThreadPool.QueueUserWorkItem(ConnectedClientTcpHandler.RecievePacketWorker, socketClient);
}
}
}
/// <summary>
/// Starts listen.
/// </summary>
public async void Start(params object[] args)
{
while (!Stopped) // listen loop
{
TcpClient client = null; // define client to handle
{
client = await Listener.AcceptTcpClientAsync().ConfigureAwait(false);
}
var handler = ((T)Activator.CreateInstance(typeof(T), args));
{
handler.Bind(client).HandleAsync();
}
}
}
private async Task HandleClientsRequest()
{
while (!cToken.Token.IsCancellationRequested)
{
try
{
TcpClient client = await Task.Run(() => Listener.AcceptTcpClientAsync(), cToken.Token);
Task.Run(() => ProcessClientRequest(client), cToken.Token);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
async Task <Data> AcceptClient()
{
Logger.Instance.Log("Waiting for a connection");
TcpClient client;
try
{
client = await Listener.AcceptTcpClientAsync();
}
catch (Exception)
{
client = null;
}
return(new Data {
TcpClient = client
});
}
//начинаем слушать в отдельной нити
private async void Startup()
{
Listener.Start();
while (true)
{
TcpClient client = await Listener.AcceptTcpClientAsync();
if (mutex.WaitOne())
{
PeerBaseContainer newSlave = new PeerBaseContainer(Guid.NewGuid(), client);
byte[] bytes = newSlave.Guid.ToByteArray();
newSlave.Client.GetStream().Write(bytes, 0, bytes.Length);
Workers.Add(newSlave);
mutex.ReleaseMutex();
}
}
}
public Task AceitarClientes(CancellationToken cancellationToken)
{
return(Task.Run(async() =>
{
while (true)
{
Logger.LogInformation($"Waiting for client in ip:port tcp: {TcpServerOptions.IP}:{TcpServerOptions.Port}...");
var clientTask = await Listener.AcceptTcpClientAsync();
ServiceClient client = new ServiceClient()
{
Client = clientTask, ServiceName = Guid.NewGuid().ToString(), Name = $"Servico{Collection.Count + 1}"
};
Collection.Add(client);
Logger.LogDebug($"Someone connected!!! {client.Name}");
Task task = new Task(async() => await Handle_clients(client.ServiceName).ConfigureAwait(false), cts.Token);
task.Start();
Tasks.Add(task);
}
}, cancellationToken));
}
/// <summary>
/// Conecta el servicio de escucha
/// </summary>
private async void StartListener()
{ // Si no existe el objeto de escucha, lo crea
if (Listener == null)
{
Listener = new TcpListener(new System.Net.IPEndPoint(System.Net.IPAddress.Parse(Server.IP), Server.Port));
}
// Inicializa el listener
Listener.Start();
// Mientras continúe conectado
while (IsConnected)
{
try
{ TcpClient objTcpclient = await Listener.AcceptTcpClientAsync().ConfigureAwait(false);
// Trata el cliente
HandleClient(objTcpclient); }
catch (Exception objException)
{ System.Diagnostics.Debug.WriteLine("Excepción: " + objException.Message); }
}
}
public static void Listen()
{
if (Listener == null || !Accept)
{
return;
}
// Continue listening.
while (true)
{
Console.WriteLine("Waiting for client...");
var clientTask = Listener.AcceptTcpClientAsync();
if (clientTask.Result == null)
{
continue;
}
new Task(delegate { WorkWithClient(clientTask.Result); }).Start();
}
}
public async Task StartAsync()
{
Listener.Start();
Console.WriteLine("Server started");
ICollection <Task> processingTasks = new List <Task>();
try
{
while (KeepAlive)
{
Console.WriteLine("Waiting for client to connect");
var client = await Listener.AcceptTcpClientAsync();
processingTasks.Add(ProcessClient(client));
}
}
finally
{
await Task.WhenAll(processingTasks);
Console.WriteLine("All pending connections have been closed, closing server in 5 seconds");
await Task.Delay(5000);
}
}
public void Start(Action <Stack <MidFunc> > middlewareStackAction)
{
Task.Run(() =>
{
Listener.Start();
while (!CancellationSource.IsCancellationRequested)
{
if (Listener.Pending())
{
Listener.AcceptTcpClientAsync()
.ContinueWith(async(tcpClientTask) =>
{
if (tcpClientTask.IsCompleted && tcpClientTask.Result != null)
{
using (var tcpClient = tcpClientTask.Result)
using (var netStream = tcpClient.GetStream())
{
var middlewareStack = new Stack <MidFunc>();
middlewareStackAction.Invoke(middlewareStack);
var application = new StompPipeline(middlewareStack);
while (!CancellationSource.IsCancellationRequested && tcpClient.Connected)
{
var frame = await Parser
.ReadStompFrame(netStream, CancellationSource.Token)
.UnWrapFrame();
var environment = new Dictionary <string, object>
{
["stomp.requestMethod"] = frame.Command,
["stomp.requestHeaders"] = frame.Headers,
["stomp.requestBody"] = frame.Body,
["stomp.responseMethod"] = null,
["stomp.responseHeaders"] = new Dictionary <string, string>().ToImmutableArray(),
["stomp.responseBody"] = new byte[0].ToImmutableArray(),
["stomp.terminateConnection"] = false
};
var responseFrame = await application.Process(environment);
if (responseFrame != null)
{
Parser.WriteStompFrame(netStream, responseFrame);
var terminatingCommands = new[]
{ StompCommand.DISCONNECT, StompCommand.ERROR };
if (terminatingCommands.Contains(responseFrame.Command))
{
break;
}
}
}
}
}
});
}
else
{
Thread.Sleep(1);
}
}
});
}
private async void _listen()
{
bool connections = true;
var clientTask = Listener.AcceptTcpClientAsync();
if (clientTask.Result != null)
{
ClientsCount++;
var client = clientTask.Result;
Console.WriteLine("Client connected. ip: {0}\n", client.Client.RemoteEndPoint.ToString());
try
{
await Task.Run(async() =>
{
int loggedType = 0;
while (connections && loggedType == 0)
{
try
{
string response = ReceiveMessage(client, loggedType);
switch (response.Substring(0, 4))
{
case "0005":
SendMessage(client, response + "<EOM>");
Console.WriteLine("Sent to {0}: {1}", client.Client.RemoteEndPoint.ToString(), response + "<EOM>");
connections = false;
break;
default:
loggedType = int.Parse((response.Split(new string[] { "<EOP>" }, StringSplitOptions.None)[1].Split(new string[] { "<EOR>" }, StringSplitOptions.None))[0]);
Clients.Add(client, loggedType);
if (!SendMessage(client, response + "<EOM>"))
{
connections = false;
}
Console.WriteLine("Sent to {0}: {1}", client.Client.RemoteEndPoint.ToString(), response + "<EOM>");
break;
}
}
catch (IOException)
{
connections = false;
}
catch (Exception ex)
{
connections = false;
Console.WriteLine(ex.ToString());
}
}
while (connections)
{
try
{
string response = ReceiveMessage(client, loggedType);
switch (response.Substring(0, 4))
{
case "0003":
string[] updatingClients = response.Split('#');
if (!SendMessage(client, updatingClients[0] + "<EOM>"))
{
connections = false;
Clients.Remove(client);
}
Console.WriteLine("Sent to {0}: {1}", client.Client.RemoteEndPoint.ToString(), updatingClients[0] + "<EOM>");
foreach (KeyValuePair <TcpClient, int> connected in Clients)
{
if (updatingClients[1].Contains(connected.Value.ToString()))
{
await Task.Run(() => SendMessage(connected.Key, updatingClients[2] + "<EOM>"));
Console.WriteLine("Sent update to {0}: {1}", connected.Key.Client.RemoteEndPoint.ToString(), updatingClients[2] + "<EOM>");
}
}
break;
case "0000":
connections = false;
Clients.Remove(client);
break;
case "0004":
if (!SendMessage(client, response + "<EOM>"))
{
connections = false;
Clients.Remove(client);
}
Console.WriteLine("Sent to {0}: {1}", client.Client.RemoteEndPoint.ToString(), response + "<EOM>");
break;
case "0002":
if (!SendMessage(client, response.Substring(9) + "<EOM>"))
{
connections = false;
Clients.Remove(client);
}
Console.WriteLine("Sent to {0}: {1}", client.Client.RemoteEndPoint.ToString(), response.Substring(9) + "<EOM>");
break;
}
}
catch (IOException)
{
connections = false;
}
catch (Exception ex)
{
connections = false;
Console.WriteLine(ex.ToString());
}
}
});
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
finally
{
Console.WriteLine("Closing connection. {0} connected at the moment.", --ClientsCount);
try
{
client.Dispose();
}
catch (InvalidOperationException)
{
}
finally
{
client.Close();
}
}
}
}
