lokinet/llarp/apple/vpn_interface.hpp
2022-09-19 20:26:39 -03:00

57 lines
1.4 KiB
C++

#pragma once
#include <llarp.hpp>
#include <llarp/vpn/platform.hpp>
#include <llarp/util/thread/queue.hpp>
#include <memory>
namespace llarp::apple
{
struct Context;
class VPNInterface final : public vpn::NetworkInterface,
public std::enable_shared_from_this<VPNInterface>
{
public:
using packet_write_callback = std::function<bool(int af_family, void* data, int size)>;
using on_readable_callback = std::function<void(VPNInterface&)>;
explicit VPNInterface(
Context& ctx,
packet_write_callback packet_writer,
on_readable_callback on_readable,
AbstractRouter* router);
// Method to call when a packet has arrived to deliver the packet to lokinet
bool
OfferReadPacket(const llarp_buffer_t& buf);
int
PollFD() const override;
net::IPPacket
ReadNextPacket() override;
bool
WritePacket(net::IPPacket pkt) override;
void
MaybeWakeUpperLayers() const override;
private:
// Function for us to call when we have a packet to emit. Should return true if the packet was
// handed off to the OS successfully.
packet_write_callback m_PacketWriter;
// Called when we are ready to start reading packets
on_readable_callback m_OnReadable;
static inline constexpr auto PacketQueueSize = 1024;
thread::Queue<net::IPPacket> m_ReadQueue{PacketQueueSize};
AbstractRouter* const _router;
};
} // namespace llarp::apple