private void StartListening()
{
if ((_stopping != Constants.True) &&
Common.CompareAndSet(ref _status, RpcServerStatus.Stopped, RpcServerStatus.Starting))
{
var servingEP = _options.EndPoint;
Socket listener = null;
try
{
var addressFamily = servingEP.AddressFamily;
if (addressFamily == AddressFamily.Unknown || addressFamily == AddressFamily.Unspecified)
{
addressFamily = IPAddress.Any.AddressFamily;
}
listener = new NativeSocket(addressFamily, SocketType.Stream, ProtocolType.Tcp)
{
Blocking = false
};
listener.Configure(_options.SendTimeoutMSec, _options.ReceiveTimeoutMSec, true, true);
}
catch (Exception)
{
Interlocked.Exchange(ref _status, RpcServerStatus.Stopped);
using (listener) { }
throw;
}
Interlocked.Exchange(ref _listener, listener);
try
{
listener.Bind(servingEP);
listener.Listen(_options.ConcurrentConnections);
var localEP = (listener.LocalEndPoint as IPEndPoint) ??
(IPEndPoint)listener.LocalEndPoint;
Interlocked.Exchange(ref _localEndPoint, localEP);
}
catch (Exception)
{
Interlocked.Exchange(ref _status, RpcServerStatus.Stopped);
TryToCloseSocket(listener);
throw;
}
Interlocked.Exchange(ref _status, RpcServerStatus.Started);
StartAccepting(NewAcceptEventArgs(), true);
}
}
protected virtual Socket GetClientSocket()
{
var result = _socket;
if (result == null || result.Disposed)
{
lock (_socketLock)
{
result = _socket;
if (result?.Disposed ?? false)
{
Interlocked.Exchange(ref _socket, null);
result = null;
}
if (result == null)
{
var remoteEP = _options.EndPoint;
var addressFamily = remoteEP.AddressFamily;
if (addressFamily == AddressFamily.Unknown ||
addressFamily == AddressFamily.Unspecified)
{
addressFamily = IPAddress.Any.AddressFamily;
}
result = new NativeSocket(addressFamily, SocketType.Stream, ProtocolType.Tcp);
result.Configure(_options.SendTimeoutMSec, _options.ReceiveTimeoutMSec, true, true);
using (Interlocked.Exchange(ref _connection,
new RpcConnection(this, result, _options.Serializer, _options.BulkSendLength, HandleResponse, null)))
{ }
Close(Interlocked.Exchange(ref _socket, result));
}
}
}
return(result);
}