mirror of https://github.com/oxen-io/lokinet
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
#ifndef LLARP_PATHBUILDER_HPP_
|
|
#define LLARP_PATHBUILDER_HPP_
|
|
|
|
#include <pathset.hpp>
|
|
#include <atomic>
|
|
|
|
namespace llarp
|
|
{
|
|
namespace path
|
|
{
|
|
// milliseconds waiting between builds on a path
|
|
constexpr llarp_time_t MIN_PATH_BUILD_INTERVAL = 10 * 1000;
|
|
|
|
struct Builder : public PathSet
|
|
{
|
|
protected:
|
|
/// flag for PathSet::Stop()
|
|
std::atomic< bool > _run;
|
|
|
|
public:
|
|
bool
|
|
CanBuildPaths() const
|
|
{
|
|
return _run.load();
|
|
}
|
|
|
|
llarp::Router* router;
|
|
struct llarp_dht_context* dht;
|
|
llarp::SecretKey enckey;
|
|
size_t numHops;
|
|
llarp_time_t lastBuild = 0;
|
|
llarp_time_t buildIntervalLimit = MIN_PATH_BUILD_INTERVAL;
|
|
|
|
// how many keygens are currently happening
|
|
std::atomic< uint8_t > keygens;
|
|
|
|
/// construct
|
|
Builder(llarp::Router* p_router, struct llarp_dht_context* p_dht,
|
|
size_t numPaths, size_t numHops);
|
|
|
|
virtual ~Builder();
|
|
|
|
virtual bool
|
|
SelectHop(llarp_nodedb* db, const RouterContact& prev, RouterContact& cur,
|
|
size_t hop, PathRole roles) override;
|
|
|
|
virtual bool
|
|
ShouldBuildMore(llarp_time_t now) const override;
|
|
|
|
/// return true if we hit our soft limit for building paths too fast
|
|
bool
|
|
BuildCooldownHit(llarp_time_t now) const;
|
|
|
|
virtual bool
|
|
Stop() override;
|
|
|
|
bool
|
|
ShouldRemove() const override;
|
|
|
|
llarp_time_t
|
|
Now() const override;
|
|
|
|
void
|
|
BuildOne(PathRole roles = ePathRoleAny);
|
|
|
|
void
|
|
Build(const std::vector< RouterContact >& hops,
|
|
PathRole roles = ePathRoleAny);
|
|
|
|
bool
|
|
SelectHops(llarp_nodedb* db, std::vector< RouterContact >& hops,
|
|
PathRole roles = ePathRoleAny);
|
|
|
|
void
|
|
ManualRebuild(size_t N, PathRole roles = ePathRoleAny);
|
|
|
|
virtual const SecretKey&
|
|
GetTunnelEncryptionSecretKey() const;
|
|
|
|
virtual void
|
|
HandlePathBuilt(Path* p) override;
|
|
|
|
virtual void
|
|
HandlePathBuildTimeout(Path* p) override;
|
|
};
|
|
} // namespace path
|
|
|
|
} // namespace llarp
|
|
#endif
|