private bool TryToConnectSocket()
{
bool hasSucceeded = false;
try
{
multicastSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
endPoint = new IPEndPoint(IPAddress.Any, discoveryUri.Port);
//We have to allow reuse in the multicast socket. Otherwise, we would be unable to use multiple clients on the same machine.
multicastSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
multicastSocket.Bind(endPoint);
IPAddress ipaddress;
if (!TcpTransportFactory.TryParseIPAddress(discoveryUri.Host, out ipaddress))
{
ipaddress = TcpTransportFactory.GetIPAddress(discoveryUri.Host, AddressFamily.InterNetwork);
if (null == ipaddress)
{
throw new NMSConnectionException("Invalid host address.");
}
}
multicastSocket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership,
new MulticastOption(ipaddress, IPAddress.Any));
#if !NETCF
multicastSocket.ReceiveTimeout = SOCKET_TIMEOUT_MILLISECONDS;
#endif
hasSucceeded = true;
}
catch (SocketException)
{
}
return(hasSucceeded);
}
private bool TryToConnectSocket(string targetHost, int targetPort)
{
bool hasSucceeded = false;
try
{
multicastSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
endPoint = new IPEndPoint(IPAddress.Any, targetPort);
// We have to allow reuse in the multicast socket. Otherwise, we would be unable to
// use multiple clients on the same machine.
multicastSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
multicastSocket.Bind(endPoint);
IPAddress ipaddress;
if (!TcpTransportFactory.TryParseIPAddress(targetHost, out ipaddress))
{
ipaddress = TcpTransportFactory.GetIPAddress(targetHost, AddressFamily.InterNetwork);
if (null == ipaddress)
{
throw new NMSConnectionException("Invalid host address.");
}
}
if (LoopBackMode)
{
multicastSocket.MulticastLoopback = true;
}
if (TimeToLive != 0)
{
multicastSocket.SetSocketOption(SocketOptionLevel.IP,
SocketOptionName.MulticastTimeToLive, timeToLive);
}
if (!String.IsNullOrEmpty(mcJoinNetworkInterface))
{
// TODO figure out how to set this.
throw new NotSupportedException("McJoinNetworkInterface not yet implemented.");
}
else
{
multicastSocket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership,
new MulticastOption(ipaddress, IPAddress.Any));
}
if (!String.IsNullOrEmpty(mcNetworkInterface))
{
// TODO figure out how to set this.
throw new NotSupportedException("McNetworkInterface not yet implemented.");
}
multicastSocket.ReceiveTimeout = (int)keepAliveInterval;
hasSucceeded = true;
}
catch (SocketException)
{
}
return(hasSucceeded);
}
