lokinet/llarp/net/exit_info.hpp
2019-02-04 16:41:33 -08:00

80 lines
1.8 KiB
C++

#ifndef LLARP_XI_HPP
#define LLARP_XI_HPP
#include <crypto/types.hpp>
#include <net/net.hpp>
#include <util/bencode.hpp>
#include <util/bits.hpp>
#include <iostream>
/**
* exit_info.h
*
* utilities for handling exits on the llarp network
*/
/// Exit info model
namespace llarp
{
struct ExitInfo final : public IBEncodeMessage
{
struct in6_addr address;
struct in6_addr netmask;
PubKey pubkey;
ExitInfo(const PubKey &pk, const nuint32_t &ipv4_exit)
: IBEncodeMessage(), pubkey(pk)
{
memset(address.s6_addr, 0, 16);
address.s6_addr[11] = 0xff;
address.s6_addr[10] = 0xff;
memcpy(address.s6_addr + 12, &ipv4_exit, 4);
memset(netmask.s6_addr, 0xff, 16);
}
ExitInfo() : IBEncodeMessage()
{
}
ExitInfo(const ExitInfo &other)
: IBEncodeMessage(other.version), pubkey(other.pubkey)
{
memcpy(address.s6_addr, other.address.s6_addr, 16);
memcpy(netmask.s6_addr, other.netmask.s6_addr, 16);
}
~ExitInfo();
bool
BEncode(llarp_buffer_t *buf) const override;
bool
DecodeKey(const llarp_buffer_t &k, llarp_buffer_t *buf) override;
ExitInfo &
operator=(const ExitInfo &other);
friend std::ostream &
operator<<(std::ostream &out, const ExitInfo &xi)
{
char tmp[128] = {0};
if(inet_ntop(AF_INET6, (void *)&xi.address, tmp, sizeof(tmp)))
out << std::string(tmp);
else
return out;
out << std::string("/");
#if defined(ANDROID) || defined(RPI)
snprintf(tmp, sizeof(tmp), "%zu",
llarp::bits::count_array_bits(xi.netmask.s6_addr));
return out << tmp;
#else
return out << std::to_string(
llarp::bits::count_array_bits(xi.netmask.s6_addr));
#endif
}
};
} // namespace llarp
#endif