mirror of
https://github.com/oxen-io/lokinet.git
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f574cd798f
- includes are now sorted in consistent, logical order; first step in an attempt to fix the tomfoolery (no relation to Tom) brought in by include-what-you-use - shuffled around some cmake linking to simplify dependency graph - superfluous files removed
114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
#pragma once
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#include "question.hpp"
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#include "rr.hpp"
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#include "serialize.hpp"
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namespace llarp
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{
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namespace dns
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{
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struct SRVData;
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using MsgID_t = uint16_t;
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using Fields_t = uint16_t;
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using Count_t = uint16_t;
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struct MessageHeader : public Serialize
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{
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static constexpr size_t Size = 12;
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MessageHeader() = default;
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MsgID_t id;
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Fields_t fields;
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Count_t qd_count;
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Count_t an_count;
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Count_t ns_count;
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Count_t ar_count;
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bool
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Encode(llarp_buffer_t* buf) const override;
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bool
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Decode(llarp_buffer_t* buf) override;
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util::StatusObject
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ToJSON() const override;
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bool
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operator==(const MessageHeader& other) const
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{
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return id == other.id && fields == other.fields && qd_count == other.qd_count
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&& an_count == other.an_count && ns_count == other.ns_count
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&& ar_count == other.ar_count;
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}
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};
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struct Message : public Serialize
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{
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explicit Message(const MessageHeader& hdr);
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explicit Message(const Question& question);
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Message(Message&& other);
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Message(const Message& other);
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util::StatusObject
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ToJSON() const override;
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void
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AddNXReply(RR_TTL_t ttl = 1);
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void
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AddServFail(RR_TTL_t ttl = 30);
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void
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AddMXReply(std::string name, uint16_t priority, RR_TTL_t ttl = 1);
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void
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AddCNAMEReply(std::string name, RR_TTL_t ttl = 1);
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void
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AddINReply(llarp::huint128_t addr, bool isV6, RR_TTL_t ttl = 1);
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void
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AddAReply(std::string name, RR_TTL_t ttl = 1);
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void
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AddSRVReply(std::vector<SRVData> records, RR_TTL_t ttl = 1);
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void
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AddNSReply(std::string name, RR_TTL_t ttl = 1);
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void
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AddTXTReply(std::string value, RR_TTL_t ttl = 1);
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bool
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Encode(llarp_buffer_t* buf) const override;
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bool
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Decode(llarp_buffer_t* buf) override;
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// Wrapper around Encode that encodes into a new buffer and returns it
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[[nodiscard]] OwnedBuffer
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ToBuffer() const;
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std::string
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ToString() const;
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MsgID_t hdr_id;
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Fields_t hdr_fields;
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std::vector<Question> questions;
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std::vector<ResourceRecord> answers;
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std::vector<ResourceRecord> authorities;
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std::vector<ResourceRecord> additional;
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};
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std::optional<Message>
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MaybeParseDNSMessage(llarp_buffer_t buf);
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} // namespace dns
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template <>
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constexpr inline bool IsToStringFormattable<llarp::dns::Message> = true;
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} // namespace llarp
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