lokinet/include/llarp/pathset.hpp

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#ifndef LLARP_PATHSET_HPP
#define LLARP_PATHSET_HPP
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#include <llarp/time.h>
#include <llarp/path_types.hpp>
#include <map>
#include <tuple>
namespace llarp
{
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namespace dht
{
struct GotIntroMessage;
}
namespace path
{
enum PathStatus
{
ePathBuilding,
ePathEstablished,
ePathTimeout,
ePathExpired
};
// forward declare
struct Path;
/// a set of paths owned by an entity
struct PathSet
{
/// construct
/// @params numPaths the number of paths to maintain
PathSet(size_t numPaths);
/// tick owned paths
void
Tick(llarp_time_t now, llarp_router* r);
void
RemovePath(Path* path);
void
HandlePathBuilt(Path* path);
void
AddPath(Path* path);
Path*
GetByUpstream(const RouterID& remote, const PathID_t& rxid);
void
ExpirePaths(llarp_time_t now);
size_t
NumInStatus(PathStatus st) const;
/// return true if we should build another path
bool
ShouldBuildMore() const;
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/// return true if we should publish a new hidden service descriptor
bool
ShouldPublishDescriptors() const;
bool
HandleGotIntroMessage(const llarp::dht::GotIntroMessage* msg);
private:
typedef std::pair< RouterID, PathID_t > PathInfo_t;
typedef std::map< PathInfo_t, Path* > PathMap_t;
size_t m_NumPaths;
PathMap_t m_Paths;
};
} // namespace path
} // namespace llarp
#endif