mirror of https://github.com/oxen-io/lokinet
33 lines
642 B
C++
33 lines
642 B
C++
#pragma once
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/socket.h>
|
|
|
|
namespace llarp::vpn
|
|
{
|
|
struct IOCTL
|
|
{
|
|
const int _fd;
|
|
|
|
explicit IOCTL(int af) : _fd{::socket(af, SOCK_DGRAM, IPPROTO_IP)}
|
|
{
|
|
if (_fd == -1)
|
|
throw std::invalid_argument{strerror(errno)};
|
|
};
|
|
|
|
~IOCTL()
|
|
{
|
|
::close(_fd);
|
|
}
|
|
|
|
template <typename Command, typename... Args>
|
|
void
|
|
ioctl(Command cmd, Args&&... args)
|
|
{
|
|
if (::ioctl(_fd, cmd, std::forward<Args>(args)...) == -1)
|
|
throw std::runtime_error("ioctl failed: " + std::string{strerror(errno)});
|
|
}
|
|
};
|
|
} // namespace llarp::vpn
|