lokinet/llarp/ev/ev_libuv.hpp
2021-11-17 17:20:38 -05:00

102 lines
2.0 KiB
C++

#pragma once
#include "ev.hpp"
#include "udp_handle.hpp"
#include <llarp/util/thread/queue.hpp>
#include <llarp/util/meta/memfn.hpp>
#include <uvw/loop.h>
#include <uvw/async.h>
#include <uvw/poll.h>
#include <uvw/udp.h>
#include <functional>
#include <map>
#include <vector>
namespace llarp::uv
{
class UVWakeup;
class UVRepeater;
class Loop final : public llarp::EventLoop
{
public:
using Callback = std::function<void()>;
Loop(size_t queue_size);
void
run() override;
bool
running() const override;
llarp_time_t
time_now() const override
{
return m_Impl->now();
}
void
call_later(llarp_time_t delay_ms, std::function<void(void)> callback) override;
void
tick_event_loop();
void
stop() override;
bool
add_ticker(std::function<void(void)> ticker) override;
bool
add_network_interface(
std::shared_ptr<llarp::vpn::NetworkInterface> netif,
std::function<void(llarp::net::IPPacket)> handler) override;
void
call_soon(std::function<void(void)> f) override;
std::shared_ptr<llarp::EventLoopWakeup>
make_waker(std::function<void()> callback) override;
std::shared_ptr<EventLoopRepeater>
make_repeater() override;
std::shared_ptr<llarp::UDPHandle>
make_udp(UDPReceiveFunc on_recv) override;
void
FlushLogic();
std::shared_ptr<uvw::Loop>
MaybeGetUVWLoop() override;
bool
inEventLoop() const override;
private:
std::shared_ptr<uvw::Loop> m_Impl;
std::shared_ptr<uvw::AsyncHandle> m_WakeUp;
std::atomic<bool> m_Run;
using AtomicQueue_t = llarp::thread::Queue<std::function<void(void)>>;
AtomicQueue_t m_LogicCalls;
#ifdef LOKINET_DEBUG
uint64_t last_time;
uint64_t loop_run_count;
#endif
std::atomic<uint32_t> m_nextID;
std::map<uint32_t, Callback> m_pendingCalls;
std::unordered_map<int, std::shared_ptr<uvw::PollHandle>> m_Polls;
std::optional<std::thread::id> m_EventLoopThreadID;
void
wakeup() override;
};
} // namespace llarp::uv