public async Task StartAsync()
{
if (active == true)
{
return;
}
else
{
active = true;
}
if (tcpListener != null)
{
tcpListener.Start();
return;
}
if (!string.IsNullOrEmpty(ListenAddress))
{
try
{
// Set the porrt if specified in ProxyAddress.
if (ListenAddress.Contains(":"))
{
String[] s = ListenAddress.Split(':');
ListenAddress = s[0];
ListenPort = int.Parse(s[1]);
}
// Resolve host binding from ProxyAddress
IPHostEntry ipHost = await Dns.GetHostEntryAsync(ListenAddress);
ListenIP = ipHost.AddressList[1];
}
catch { }
}
try
{
tcpListener = new TcpListener(ListenIP, ListenPort);
tcpListener.Start();
}
catch (Exception e)
{
Console.WriteLine("\n \n*** Error *** Unable to open TCP listener. Socket returned error message:\n{0}", e.Message);
//Environment.Exit(1);
}
await HandleConnectionsAsync(tcpListener);
tcpListener.Stop();
}
public void Start()
{
if (OnClientRequestingConnection == null)
{
throw new ServerException("Client request handler not set");
}
if (running)
{
Logger.WriteLine("TCPServer: start requested, but server is already running", Logger.Severity.Warning);
return;
}
Logger.WriteLine("TCPServer: starting", Logger.Severity.Debug);
tcpListener = new TcpListener(ListenAddress, ListenPort);
try {
tcpListener.Start();
} catch (SocketException exn) {
string socketError = "socket error '" + exn.SocketErrorCode + "': " + exn.Message;
Logger.WriteLine("TCPServer: failed to start server; " + socketError, Logger.Severity.Error);
throw new ServerException(socketError);
}
var endPoint = (IPEndPoint)tcpListener.LocalEndpoint;
actualPort = (ushort)endPoint.Port;
startedEvent = new AutoResetEvent(false);
listenerThread = new Thread(ListenerThread);
listenerThread.Start();
startedEvent.WaitOne(500);
if (!running)
{
Logger.WriteLine("TCPServer: failed to start server, timed out waiting for TcpListener to start", Logger.Severity.Error);
listenerThread.Abort();
listenerThread.Join();
tcpListener = null;
throw new ServerException("Failed to start server, timed out waiting for TcpListener to start");
}
EventHandlerExtensions.Invoke(OnStarted, this);
Logger.WriteLine("TCPServer: started successfully", Logger.Severity.Debug);
if (ListenAddress.ToString() == "0.0.0.0")
{
Logger.WriteLine("TCPServer: listening on all local network interfaces", Logger.Severity.Debug);
}
else
{
Logger.WriteLine("TCPServer: listening on local address " + Address, Logger.Severity.Debug);
}
Logger.WriteLine("TCPServer: listening on port " + actualPort, Logger.Severity.Debug);
}
/// <summary>
/// 根据配置的监听地址获取实际的地址
/// </summary>
/// <returns></returns>
public string GetHostAddress()
{
if (!string.IsNullOrWhiteSpace(ListenAddress))
{
var separator = ListenAddress.IndexOf("/");
if (separator > 0)
{
var baseAddress = ListenAddress.Substring(0, separator);
if (int.TryParse(ListenAddress.Substring(separator + 1), out int maskBits))
{
return(GetHostAddress(baseAddress, maskBits));
}
return(baseAddress);
}
}
return(ListenAddress);
}
