/// <summary>
/// Opens a RADIUS client port using the <see cref="RadiusClientSettings" /> passed.
/// </summary>
/// <param name="settings">The client settings.</param>
/// <remarks>
/// <note>
/// All successful calls to <see cref="Open" /> must eventually be matched
/// with a call to <see cref="Close" /> so that system resources will be
/// released promptly.
/// </note>
/// </remarks>
public void Open(RadiusClientSettings settings)
{
using (TimedLock.Lock(this))
{
if (isOpen)
{
throw new RadiusException("RADIUS client port is already open.");
}
sock = new EnhancedSocket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
sock.Bind(settings.NetworkBinding);
this.sock.SendBufferSize = settings.SocketBuffer;
this.sock.ReceiveBufferSize = settings.SocketBuffer;
isOpen = true;
networkBinding = settings.NetworkBinding;
servers = settings.Servers;
secret = settings.Secret;
retryInterval = settings.RetryInterval;
maxTransmissions = settings.MaxTransmissions;
realmFormat = settings.RealmFormat;
nextID = 0;
serverPos = 0;
transactions = new AuthTransaction[256];
recvBuf = new byte[TcpConst.MTU];
sourceEP = new IPEndPoint(IPAddress.Any, 0);
onReceive = new AsyncCallback(OnReceive);
if (networkBinding.Address.Equals(IPAddress.Any))
{
nasIPAddress = NetHelper.GetActiveAdapter();
}
else
{
nasIPAddress = networkBinding.Address;
}
// Initiate reception of the first RADIUS packet.
sock.BeginReceiveFrom(recvBuf, 0, recvBuf.Length, SocketFlags.None, ref sourceEP, onReceive, null);
}
}
/// <summary>
/// Starts the server using the settings passed.
/// </summary>
/// <param name="settings">The server settings.</param>
/// <remarks>
/// <note>
/// All successful calls to <b>Start()</b> must eventually be matched
/// with a call to <see cref="Stop" /> so that system resources will be
/// released promptly.
/// </note>
/// </remarks>
public void Start(RadiusServerSettings settings)
{
using (TimedLock.Lock(this))
{
if (isRunning)
{
throw new RadiusException("RADIUS server has already started.");
}
this.sock = new EnhancedSocket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
this.sock.Bind(settings.NetworkBinding);
this.sock.SendBufferSize = settings.SocketBuffer;
this.sock.ReceiveBufferSize = settings.SocketBuffer;
this.isRunning = true;
this.defSecret = settings.DefaultSecret;
this.networkBinding = settings.NetworkBinding;
this.dnsRefreshInterval = settings.DnsRefreshInterval;
this.nextDnsRefresh = SysTime.Now + dnsRefreshInterval;
this.bkTimer = new GatedTimer(new TimerCallback(OnBkTask), null, settings.BkTaskInterval, settings.BkTaskInterval);
this.recvBuf = new byte[TcpConst.MTU];
this.Devices = settings.Devices;
this.onReceive = new AsyncCallback(OnReceive);
this.remoteEP = new IPEndPoint(IPAddress.Any, 0);
this.realmFormat = settings.RealmFormat;
if (networkBinding.Address.Equals(IPAddress.Any))
{
actualEndPoint = new IPEndPoint(NetHelper.GetActiveAdapter(), ((IPEndPoint)sock.LocalEndPoint).Port);
}
else
{
actualEndPoint = new IPEndPoint(networkBinding.Address, ((IPEndPoint)sock.LocalEndPoint).Port);
}
this.sock.BeginReceiveFrom(recvBuf, 0, recvBuf.Length, SocketFlags.None, ref remoteEP, onReceive, null);
}
}