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99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
#ifndef LLARP_DNS_MESSAGE_HPP
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#define LLARP_DNS_MESSAGE_HPP
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#include <dns/serialize.hpp>
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#include <dns/rr.hpp>
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#include <dns/question.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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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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const static 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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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
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&& qd_count == other.qd_count && an_count == other.an_count
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&& ns_count == other.ns_count && 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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Message(const MessageHeader& hdr);
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Message(Message&& other);
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Message(const Message& other);
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void
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UpdateHeader();
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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::huint32_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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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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std::ostream&
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print(std::ostream& stream, int level, int spaces) 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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inline std::ostream&
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operator<<(std::ostream& out, const Message& msg)
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{
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msg.print(out, -1, -1);
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return out;
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}
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} // namespace dns
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} // namespace llarp
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#endif
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