public override void SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, int optionValue)
{
if (UnsafeMethods.setsockopt(Handle, optionLevel, optionName, ref optionValue, 4) == SocketError.SocketError)
{
throw new SocketException();
}
}
public override void SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, byte[] optionValue)
{
if (UnsafeMethods.setsockopt(Handle, optionLevel, optionName, optionValue, optionValue != null ? optionValue.Length : 0) == SocketError.SocketError)
{
throw new SocketException();
}
}
private void SetLingerOption(LingerOption lref)
{
var optionValue = new Linger()
{
OnOff = lref.Enabled ? (ushort)1 : (ushort)0,
Time = (ushort)lref.LingerTime
};
if (UnsafeMethods.setsockopt(Handle, SocketOptionLevel.Socket, SocketOptionName.Linger, ref optionValue, 4) ==
SocketError.SocketError)
{
throw new SocketException();
}
}
private void SetIPv6MulticastOption(SocketOptionName optionName, IPv6MulticastOption mr)
{
var optionValue = new IPv6MulticastRequest()
{
MulticastAddress = mr.Group.GetAddressBytes(),
InterfaceIndex = (int)mr.InterfaceIndex
};
if (UnsafeMethods.setsockopt(Handle, SocketOptionLevel.IPv6, optionName, ref optionValue, IPv6MulticastRequest.Size) ==
SocketError.SocketError)
{
throw new SocketException();
}
}
private void SetMulticastOption(SocketOptionName optionName, MulticastOption mr)
{
IPMulticastRequest mreq = new IPMulticastRequest();
mreq.MulticastAddress = GetIP4Address(mr.Group);
if (mr.LocalAddress != null)
{
mreq.InterfaceAddress = GetIP4Address(mr.LocalAddress);
}
else
{
int num = IPAddress.HostToNetworkOrder(mr.InterfaceIndex);
mreq.InterfaceAddress = num;
}
if (UnsafeMethods.setsockopt(Handle, SocketOptionLevel.IPv6, optionName, ref mreq, IPv6MulticastRequest.Size) ==
SocketError.SocketError)
{
throw new SocketException();
}
}