lokinet/include/llarp/handlers/exit.hpp

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#ifndef LLARP_HANDLERS_EXIT_HPP
#define LLARP_HANDLERS_EXIT_HPP
#include <llarp/handlers/tun.hpp>
#include <llarp/exit/endpoint.hpp>
#include <unordered_map>
namespace llarp
{
namespace handlers
{
struct ExitEndpoint
{
ExitEndpoint(const std::string& name, llarp::Router* r);
~ExitEndpoint();
void
Tick(llarp_time_t now);
bool
SetOption(const std::string& k, const std::string& v);
std::string
Name() const;
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bool
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AllocateNewExit(const llarp::PubKey pk, const llarp::PathID_t& path,
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bool permitInternet);
llarp::exit::Endpoint*
FindEndpointByPath(const llarp::PathID_t& path);
llarp::exit::Endpoint*
FindEndpointByIP(huint32_t ip);
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bool
UpdateEndpointPath(const llarp::PubKey& remote,
const llarp::PathID_t& next);
/// handle ip packet from outside
void
OnInetPacket(llarp_buffer_t buf);
llarp::Router*
Router();
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llarp_time_t
Now() const;
llarp_crypto*
Crypto();
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template < typename Stats >
void
CalculateTrafficStats(Stats& stats)
{
auto itr = m_ActiveExits.begin();
while(itr != m_ActiveExits.end())
{
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stats[itr->first].first += itr->second->TxRate();
stats[itr->first].second += itr->second->RxRate();
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++itr;
}
}
/// DO NOT CALL ME
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void
DelEndpointInfo(const llarp::PathID_t& path);
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/// DO NOT CALL ME
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void
RemoveExit(const llarp::exit::Endpoint* ep);
bool
QueueOutboundTraffic(llarp_buffer_t buf);
/// sets up networking and starts traffic
bool
Start();
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bool
HasLocalMappedAddrFor(const llarp::PubKey& pk) const;
huint32_t
GetIfAddr() const;
void
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Flush();
private:
huint32_t
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GetIPForIdent(const llarp::PubKey pk);
huint32_t
AllocateNewAddress();
void
MarkIPActive(llarp::huint32_t ip);
void
KickIdentOffExit(const llarp::PubKey& pk);
llarp::Router* m_Router;
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bool m_ShouldInitTun;
std::string m_Name;
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bool m_PermitExit;
std::unordered_map< llarp::PathID_t, llarp::PubKey,
llarp::PathID_t::Hash >
m_Paths;
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std::unordered_multimap< llarp::PubKey,
std::unique_ptr< llarp::exit::Endpoint >,
llarp::PubKey::Hash >
m_ActiveExits;
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using KeyMap_t = std::unordered_map< llarp::PubKey, llarp::huint32_t,
llarp::PubKey::Hash >;
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KeyMap_t m_KeyToIP;
std::unordered_map< llarp::huint32_t, llarp::PubKey,
llarp::huint32_t::Hash >
m_IPToKey;
huint32_t m_IfAddr;
huint32_t m_HigestAddr;
huint32_t m_NextAddr;
std::unordered_map< llarp::huint32_t, llarp_time_t,
llarp::huint32_t::Hash >
m_IPActivity;
llarp_tun_io m_Tun;
using Pkt_t = llarp::net::IPv4Packet;
using PacketQueue_t =
llarp::util::CoDelQueue< Pkt_t, Pkt_t::GetTime, Pkt_t::PutTime,
Pkt_t::CompareOrder, Pkt_t::GetNow,
llarp::util::DummyMutex,
llarp::util::DummyLock, 5, 100, 1024 >;
/// internet to llarp packet queue
PacketQueue_t m_InetToNetwork;
};
} // namespace handlers
} // namespace llarp
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#endif