private static unsafe void BindToInterface(int fd, string interfaceName)
{
int idx = GetInterfaceIndex(fd, interfaceName);
CanSocketAddress addr = new CanSocketAddress();
addr.can_family = PF_CAN;
addr.can_ifindex = idx;
if (-1 == BindSocket(fd, ref addr, (uint)Marshal.SizeOf<CanSocketAddress>()))
{
throw new IOException($"Cannot bind to socket to `{interfaceName}`");
}
}
private static extern int BindSocket(int fd, ref CanSocketAddress addr, uint addrlen);