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67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
#pragma once
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#include "ip_range.hpp"
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#include "ip_packet.hpp"
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#include "llarp/util/status.hpp"
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#include <set>
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namespace llarp::net
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{
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/// information about an IP protocol
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struct ProtocolInfo
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{
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/// ip protocol byte of this protocol
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IPProtocol protocol;
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/// the layer 3 port if applicable
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std::optional<nuint16_t> port;
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bool
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BEncode(llarp_buffer_t* buf) const;
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bool
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BDecode(llarp_buffer_t* buf);
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util::StatusObject
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ExtractStatus() const;
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/// returns true if an ip packet looks like it matches this protocol info
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/// returns false otherwise
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bool
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MatchesPacket(const IPPacket& pkt) const;
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bool
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operator<(const ProtocolInfo& other) const
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{
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return std::tie(protocol, port) < std::tie(other.protocol, other.port);
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}
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ProtocolInfo() = default;
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explicit ProtocolInfo(std::string_view spec);
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};
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/// information about what traffic an endpoint will carry
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struct TrafficPolicy
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{
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/// ranges that are explicitly allowed
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std::set<IPRange> ranges;
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/// protocols that are explicity allowed
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std::set<ProtocolInfo> protocols;
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bool
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BEncode(llarp_buffer_t* buf) const;
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bool
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BDecode(llarp_buffer_t* buf);
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util::StatusObject
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ExtractStatus() const;
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/// returns true if we allow the traffic in this ip packet
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/// returns false otherwise
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bool
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AllowsTraffic(const IPPacket& pkt) const;
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};
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} // namespace llarp::net
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