lokinet/llarp/link/link_manager.hpp
Stephen Shelton 273270916e
The Great Wall of Blame
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2020-04-07 12:38:56 -06:00

106 lines
2.4 KiB
C++

#ifndef LLARP_LINK_MANAGER_HPP
#define LLARP_LINK_MANAGER_HPP
#include <link/i_link_manager.hpp>
#include <util/compare_ptr.hpp>
#include <util/thread/threading.hpp>
#include <link/server.hpp>
#include <unordered_map>
#include <set>
#include <atomic>
namespace llarp
{
struct IRouterContactManager;
struct LinkManager final : public ILinkManager
{
public:
~LinkManager() override = default;
LinkLayer_ptr
GetCompatibleLink(const RouterContact& rc) const override;
IOutboundSessionMaker*
GetSessionMaker() const override;
bool
SendTo(
const RouterID& remote,
const llarp_buffer_t& buf,
ILinkSession::CompletionHandler completed) override;
bool
HasSessionTo(const RouterID& remote) const override;
void
PumpLinks() override;
void
AddLink(LinkLayer_ptr link, bool inbound = false) override;
bool
StartLinks(Logic_ptr logic, std::shared_ptr<thread::ThreadPool> worker) override;
void
Stop() override;
void
PersistSessionUntil(const RouterID& remote, llarp_time_t until) override;
void
ForEachPeer(std::function<void(const ILinkSession*, bool)> visit, bool randomize = false)
const override;
void
ForEachPeer(std::function<void(ILinkSession*)> visit) override;
void
ForEachInboundLink(std::function<void(LinkLayer_ptr)> visit) const override;
size_t
NumberOfConnectedRouters() const override;
size_t
NumberOfConnectedClients() const override;
size_t
NumberOfPendingConnections() const override;
bool
GetRandomConnectedRouter(RouterContact& router) const override;
void
CheckPersistingSessions(llarp_time_t now) override;
util::StatusObject
ExtractStatus() const override;
void
Init(IOutboundSessionMaker* sessionMaker);
private:
LinkLayer_ptr
GetLinkWithSessionTo(const RouterID& remote) const;
std::atomic<bool> stopping;
mutable util::Mutex _mutex; // protects m_PersistingSessions
using LinkSet = std::set<LinkLayer_ptr, ComparePtr<LinkLayer_ptr>>;
LinkSet outboundLinks;
LinkSet inboundLinks;
// sessions to persist -> timestamp to end persist at
std::unordered_map<RouterID, llarp_time_t, RouterID::Hash> m_PersistingSessions
GUARDED_BY(_mutex);
IOutboundSessionMaker* _sessionMaker;
};
} // namespace llarp
#endif // LLARP_LINK_MANAGER_HPP