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117 lines
2.5 KiB
C++
117 lines
2.5 KiB
C++
#ifndef LLARP_RELAY_STATUS_HPP
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#define LLARP_RELAY_STATUS_HPP
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#include <crypto/encrypted_frame.hpp>
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#include <crypto/types.hpp>
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#include <messages/link_message.hpp>
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#include <path/path_types.hpp>
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#include <pow.hpp>
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#include <array>
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#include <memory>
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#include <utility>
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namespace llarp
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{
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// forward declare
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struct AbstractRouter;
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namespace path
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{
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struct PathContext;
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struct IHopHandler;
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} // namespace path
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struct LR_StatusRecord
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{
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static constexpr uint64_t SUCCESS = 1 << 0;
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static constexpr uint64_t FAIL_TIMEOUT = 1 << 1;
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static constexpr uint64_t FAIL_CONGESTION = 1 << 2;
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static constexpr uint64_t FAIL_DEST_UNKNOWN = 1 << 3;
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static constexpr uint64_t FAIL_DECRYPT_ERROR = 1 << 4;
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static constexpr uint64_t FAIL_MALFORMED_RECORD = 1 << 5;
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static constexpr uint64_t FAIL_DEST_INVALID = 1 << 6;
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static constexpr uint64_t FAIL_CANNOT_CONNECT = 1 << 7;
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static constexpr uint64_t FAIL_DUPLICATE_HOP = 1 << 8;
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uint64_t status = 0;
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uint64_t version = 0;
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bool
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BDecode(llarp_buffer_t* buf);
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bool
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BEncode(llarp_buffer_t* buf) const;
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bool
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operator==(const LR_StatusRecord& other) const;
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private:
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bool
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OnKey(llarp_buffer_t* buffer, llarp_buffer_t* key);
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};
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struct LR_StatusMessage : public ILinkMessage
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{
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std::array<EncryptedFrame, 8> frames;
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PathID_t pathid;
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uint64_t status = 0;
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LR_StatusMessage(std::array<EncryptedFrame, 8> _frames)
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: ILinkMessage(), frames(std::move(_frames))
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{}
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LR_StatusMessage() = default;
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~LR_StatusMessage() override = default;
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void
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Clear() override;
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bool
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DecodeKey(const llarp_buffer_t& key, llarp_buffer_t* buf) override;
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bool
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BEncode(llarp_buffer_t* buf) const override;
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bool
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HandleMessage(AbstractRouter* router) const override;
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void
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SetDummyFrames();
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static bool
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CreateAndSend(
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AbstractRouter* router,
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const PathID_t pathid,
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const RouterID nextHop,
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const SharedSecret pathKey,
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uint64_t status);
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bool
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AddFrame(const SharedSecret& pathKey, uint64_t newStatus);
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static void
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QueueSendMessage(
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AbstractRouter* router, const RouterID nextHop, std::shared_ptr<LR_StatusMessage> msg);
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static void
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SendMessage(
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AbstractRouter* router, const RouterID nextHop, std::shared_ptr<LR_StatusMessage> msg);
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const char*
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Name() const override
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{
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return "RelayStatus";
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}
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virtual uint16_t
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Priority() const override
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{
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return 6;
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}
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};
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} // namespace llarp
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#endif
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