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36 lines
770 B
C++
36 lines
770 B
C++
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#pragma once
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#include <functional>
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#include <llarp/net/ip_packet.hpp>
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#include <llarp/util/types.hpp>
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namespace llarp::vpn
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{
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class I_Packet_IO
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{
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public:
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virtual ~I_Packet_IO() = default;
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/// start any platform specific operations before running
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virtual void
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Start(){};
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/// stop operation and tear down anything that Start() set up.
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virtual void
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Stop(){};
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/// read next ip packet, return an empty packet if there are none ready.
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virtual net::IPPacket
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ReadNextPacket() = 0;
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/// write a packet to the interface
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/// returns false if we dropped it
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virtual bool
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WritePacket(net::IPPacket pkt) = 0;
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/// get pollable fd for reading
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virtual int
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PollFD() const = 0;
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};
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} // namespace llarp::vpn
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