public static SocketError SetIPv6MulticastOption(SafeCloseSocket handle, SocketOptionName optionName, IPv6MulticastOption optionValue)
{
Interop.Winsock.IPv6MulticastRequest ipmr = new Interop.Winsock.IPv6MulticastRequest();
ipmr.MulticastAddress = optionValue.Group.GetAddressBytes();
ipmr.InterfaceIndex = unchecked ((int)optionValue.InterfaceIndex);
// This can throw ObjectDisposedException.
SocketError errorCode = Interop.Winsock.setsockopt(
handle,
SocketOptionLevel.IPv6,
optionName,
ref ipmr,
Interop.Winsock.IPv6MulticastRequest.Size);
return(errorCode == SocketError.SocketError ? GetLastSocketError() : SocketError.Success);
}
public static SocketError GetIPv6MulticastOption(SafeCloseSocket handle, SocketOptionName optionName, out IPv6MulticastOption optionValue)
{
Interop.Winsock.IPv6MulticastRequest ipmr = new Interop.Winsock.IPv6MulticastRequest();
int optlen = Interop.Winsock.IPv6MulticastRequest.Size;
// This can throw ObjectDisposedException.
SocketError errorCode = Interop.Winsock.getsockopt(
handle,
SocketOptionLevel.IP,
optionName,
out ipmr,
ref optlen);
if (errorCode == SocketError.SocketError)
{
optionValue = default(IPv6MulticastOption);
return(GetLastSocketError());
}
optionValue = new IPv6MulticastOption(new IPAddress(ipmr.MulticastAddress), ipmr.InterfaceIndex);
return(SocketError.Success);
}
public static SocketError GetIPv6MulticastOption(SafeCloseSocket handle, SocketOptionName optionName, out IPv6MulticastOption optionValue)
{
Interop.Winsock.IPv6MulticastRequest ipmr = new Interop.Winsock.IPv6MulticastRequest();
int optlen = Interop.Winsock.IPv6MulticastRequest.Size;
// This can throw ObjectDisposedException.
SocketError errorCode = Interop.Winsock.getsockopt(
handle,
SocketOptionLevel.IP,
optionName,
out ipmr,
ref optlen);
if (errorCode == SocketError.SocketError)
{
optionValue = default(IPv6MulticastOption);
return GetLastSocketError();
}
optionValue = new IPv6MulticastOption(new IPAddress(ipmr.MulticastAddress), ipmr.InterfaceIndex);
return SocketError.Success;
}
public static SocketError SetIPv6MulticastOption(SafeCloseSocket handle, SocketOptionName optionName, IPv6MulticastOption optionValue)
{
Interop.Winsock.IPv6MulticastRequest ipmr = new Interop.Winsock.IPv6MulticastRequest();
ipmr.MulticastAddress = optionValue.Group.GetAddressBytes();
ipmr.InterfaceIndex = unchecked((int)optionValue.InterfaceIndex);
// This can throw ObjectDisposedException.
SocketError errorCode = Interop.Winsock.setsockopt(
handle,
SocketOptionLevel.IPv6,
optionName,
ref ipmr,
Interop.Winsock.IPv6MulticastRequest.Size);
return errorCode == SocketError.SocketError ? GetLastSocketError() : SocketError.Success;
}
