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.
131 lines
2.7 KiB
C++
131 lines
2.7 KiB
C++
#ifndef LLARP_PATHBUILDER_HPP
|
|
#define LLARP_PATHBUILDER_HPP
|
|
|
|
#include <path/pathset.hpp>
|
|
#include <util/status.hpp>
|
|
|
|
#include <atomic>
|
|
#include <set>
|
|
|
|
namespace llarp
|
|
{
|
|
namespace path
|
|
{
|
|
// milliseconds waiting between builds on a path
|
|
static constexpr auto MIN_PATH_BUILD_INTERVAL = 500ms;
|
|
|
|
struct Builder : public PathSet
|
|
{
|
|
private:
|
|
llarp_time_t m_LastWarn = 0s;
|
|
|
|
protected:
|
|
/// flag for PathSet::Stop()
|
|
std::atomic<bool> _run;
|
|
|
|
virtual bool
|
|
UrgentBuild(llarp_time_t now) const;
|
|
|
|
private:
|
|
void
|
|
DoPathBuildBackoff();
|
|
|
|
public:
|
|
AbstractRouter* m_router;
|
|
SecretKey enckey;
|
|
size_t numHops;
|
|
llarp_time_t lastBuild = 0s;
|
|
llarp_time_t buildIntervalLimit = MIN_PATH_BUILD_INTERVAL;
|
|
|
|
/// construct
|
|
Builder(AbstractRouter* p_router, size_t numDesiredPaths, size_t numHops);
|
|
|
|
virtual ~Builder() = default;
|
|
|
|
util::StatusObject
|
|
ExtractStatus() const;
|
|
|
|
bool
|
|
ShouldBuildMore(llarp_time_t now) const override;
|
|
|
|
/// should we bundle RCs in builds?
|
|
virtual bool
|
|
ShouldBundleRC() const = 0;
|
|
|
|
void
|
|
ResetInternalState() override;
|
|
|
|
/// return true if we hit our soft limit for building paths too fast
|
|
bool
|
|
BuildCooldownHit(llarp_time_t now) const;
|
|
|
|
/// get roles for this path builder
|
|
virtual PathRole
|
|
GetRoles() const
|
|
{
|
|
return ePathRoleAny;
|
|
}
|
|
|
|
BuildStats
|
|
CurrentBuildStats() const
|
|
{
|
|
return m_BuildStats;
|
|
}
|
|
|
|
bool
|
|
Stop() override;
|
|
|
|
bool
|
|
IsStopped() const override;
|
|
|
|
bool
|
|
ShouldRemove() const override;
|
|
|
|
llarp_time_t
|
|
Now() const override;
|
|
|
|
void
|
|
Tick(llarp_time_t now) override;
|
|
|
|
void
|
|
BuildOne(PathRole roles = ePathRoleAny) override;
|
|
|
|
bool
|
|
BuildOneAlignedTo(const RouterID endpoint) override;
|
|
|
|
virtual std::optional<std::vector<RouterContact>>
|
|
GetHopsAlignedToForBuild(RouterID endpoint);
|
|
|
|
void
|
|
Build(std::vector<RouterContact> hops, PathRole roles = ePathRoleAny) override;
|
|
|
|
/// pick a first hop
|
|
virtual std::optional<RouterContact>
|
|
SelectFirstHop() const;
|
|
|
|
std::optional<std::vector<RouterContact>>
|
|
GetHopsForBuild() override;
|
|
|
|
void
|
|
ManualRebuild(size_t N, PathRole roles = ePathRoleAny);
|
|
|
|
virtual const SecretKey&
|
|
GetTunnelEncryptionSecretKey() const;
|
|
|
|
virtual void
|
|
HandlePathBuilt(Path_ptr p) override;
|
|
|
|
virtual void
|
|
HandlePathBuildTimeout(Path_ptr p) override;
|
|
|
|
virtual void
|
|
HandlePathBuildFailed(Path_ptr p) override;
|
|
};
|
|
|
|
using Builder_ptr = std::shared_ptr<Builder>;
|
|
|
|
} // namespace path
|
|
|
|
} // namespace llarp
|
|
#endif
|