Differential D19057 Diff 57171 src/netaddress.h

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src/netaddress.h

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#include <array>		#include <array>
#include <cstdint>		#include <cstdint>
#include <ios>		#include <ios>
#include <string>		#include <string>
#include <vector>		#include <vector>

/**		/**
* A flag that is ORed into the protocol version to designate that addresses
* should be serialized in (unserialized from) v2 format (BIP155).
* Make sure that this does not collide with any of the values in `version.h`.
*/
static constexpr int ADDRV2_FORMAT = 0x20000000;

/**
* A network type.		* A network type.
* @note An address may belong to more than one network, for example `10.0.0.1`		* @note An address may belong to more than one network, for example `10.0.0.1`
* belongs to both `NET_UNROUTABLE` and `NET_IPV4`.		* belongs to both `NET_UNROUTABLE` and `NET_IPV4`.
* Keep these sequential starting from 0 and `NET_MAX` as the last entry.		* Keep these sequential starting from 0 and `NET_MAX` as the last entry.
* We have loops like `for (int i = 0; i < NET_MAX; ++i)` that expect to iterate		* We have loops like `for (int i = 0; i < NET_MAX; ++i)` that expect to iterate
* over all enum values and also `GetExtNetwork()` "extends" this enum by		* over all enum values and also `GetExtNetwork()` "extends" this enum by
* introducing standalone constants starting from `NET_MAX`.		* introducing standalone constants starting from `NET_MAX`.
*/		*/
▲ Show 20 Lines • Show All 202 Lines • ▼ Show 20 Lines	public:
friend bool operator<(const CNetAddr &a, const CNetAddr &b);		friend bool operator<(const CNetAddr &a, const CNetAddr &b);

/**		/**
* Whether this address should be relayed to other peers even if we can't		* Whether this address should be relayed to other peers even if we can't
* reach it ourselves.		* reach it ourselves.
*/		*/
bool IsRelayable() const { return IsIPv4() \|\| IsIPv6() \|\| IsTor(); }		bool IsRelayable() const { return IsIPv4() \|\| IsIPv6() \|\| IsTor(); }

		enum class Encoding {
		V1,
		//! BIP155 encoding
		V2,
		};
		struct SerParams {
		const Encoding enc;
		};
		static constexpr SerParams V1{Encoding::V1};
		static constexpr SerParams V2{Encoding::V2};

/**		/**
* Serialize to a stream.		* Serialize to a stream.
*/		*/
template <typename Stream> void Serialize(Stream &s) const {		template <typename Stream> void Serialize(Stream &s) const {
if (s.GetVersion() & ADDRV2_FORMAT) {		if (s.GetParams().enc == Encoding::V2) {
SerializeV2Stream(s);		SerializeV2Stream(s);
} else {		} else {
SerializeV1Stream(s);		SerializeV1Stream(s);
}		}
}		}

/**		/**
* Unserialize from a stream.		* Unserialize from a stream.
*/		*/
template <typename Stream> void Unserialize(Stream &s) {		template <typename Stream> void Unserialize(Stream &s) {
if (s.GetVersion() & ADDRV2_FORMAT) {		if (s.GetParams().enc == Encoding::V2) {
UnserializeV2Stream(s);		UnserializeV2Stream(s);
} else {		} else {
UnserializeV1Stream(s);		UnserializeV1Stream(s);
}		}
}		}

friend class CSubNet;		friend class CSubNet;

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