// Only for use by UdpConnector.
internal UdpSocket(
Communicator communicator,
IConnector connector,
EndPoint addr,
IPAddress?sourceAddr,
string?multicastInterface,
int multicastTtl)
{
_communicator = communicator;
_connector = connector;
_addr = (IPEndPoint)addr;
_multicastInterface = multicastInterface;
_incoming = false;
if (sourceAddr != null)
{
_sourceAddr = new IPEndPoint(sourceAddr, 0);
}
Socket = Network.CreateSocket(true, _addr.AddressFamily, _connector);
try
{
Network.SetBufSize(Socket, _communicator, Transport.UDP);
_rcvSize = (int)Socket.GetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveBuffer) !;
_sndSize = (int)Socket.GetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendBuffer) !;
if (Network.IsMulticast(_addr))
{
if (_multicastInterface != null)
{
Debug.Assert(_multicastInterface.Length > 0);
Network.SetMulticastInterface(Socket, _multicastInterface, _addr.AddressFamily);
}
if (multicastTtl != -1)
{
Network.SetMulticastTtl(Socket, multicastTtl, _addr.AddressFamily);
}
}
}
catch (SocketException ex)
{
Socket.CloseNoThrow();
throw new TransportException(ex, RetryPolicy.NoRetry, _connector);
}
}
