Network address.
Synopsis
Declared in <netaddress.h>
class CNetAddr;Types
Name |
Description |
Serialization parameters selecting the address wire encoding. |
Enums
Name |
Description |
BIP155 network ids recognized by this software. |
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Wire encoding used when (un)serializing an address. |
Member Functions
Name |
Description |
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Constructors |
Get the raw address bytes. |
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Fill an in6_addr with this address's IPv6 value. |
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Fill an in_addr with this address's IPv4 value. |
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For IPv4, mapped IPv4, SIIT translated IPv4, Teredo, 6to4 tunneled addresses, return the relevant IPv4 address as a uint32. |
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Get the network class used for grouping this address. |
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Get the network this address belongs to. |
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Calculate how reachable this address is from a given peer address. |
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Whether the raw address begins with the CJDNS prefix byte. |
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Whether this address has a linked IPv4 address (see GetLinkedIPv4()). |
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Check if the current object can be serialized in pre‐ADDRv2/BIP155 format. |
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Whether this address is the INADDR_ANY / "bind any" wildcard address. |
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Whether this is a CJDNS address. |
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Whether this is an IPv6 Hurricane Electric address (2001:0470::/36). |
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Whether this is an I2P address. |
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Whether this is an IPv4 address (::FFFF:0:0/96, 0.0.0.0/0). |
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Whether this is a native IPv6 address (not mapped IPv4, not Tor). |
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Whether this is an internal (NET_INTERNAL) address. |
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Whether this is a local (loopback) address. |
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Whether this object is a privacy network. TODO: consider adding IsCJDNS() here when more peers adopt CJDNS, see: https://github.com/bitcoin/bitcoin/pull/27411#issuecomment‐1497176155 |
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Whether this is an IPv4 private‐network address (10/8, 192.168/16, 172.16/12). |
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Whether this is an IPv4 inter‐network benchmarking address (198.18.0.0/15). |
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Whether this is an IPv6 documentation address (2001:0DB8::/32). |
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Whether this is an IPv4 link‐local autoconfig address (169.254.0.0/16). |
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Whether this is an IPv6 6to4 tunnelling address (2002::/16). |
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Whether this is an IPv6 unique‐local address (FC00::/7). |
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Whether this is an IPv6 Teredo tunnelling address (2001::/32). |
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Whether this is an IPv6 ORCHID (deprecated) address (2001:10::/28). |
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Whether this is an IPv6 link‐local autoconfig address (FE80::/64). |
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Whether this is an IPv4 documentation address (192.0.2/24, 198.51.100/24, 203.0.113/24). |
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Whether this is an IPv6 well‐known prefix for IPv4‐embedded addresses (64:FF9B::/96). |
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Whether this is an IPv6 IPv4‐translated address (::FFFF:0:0:0/96). |
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Whether this is an IPv4 ISP‐level NAT (shared) address (100.64.0.0/10). |
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Whether this is an IPv6 ORCHIDv2 address (2001:20::/28). |
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Whether this address should be relayed to other peers even if we can't reach it ourselves. |
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Whether this address is publicly routable. |
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Whether this is a Tor onion address. |
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Whether this address is valid. |
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Serialize to a stream. |
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Copy the address value from another CNetAddr. |
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Set this address to an internal address derived from a string or FQDN. |
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Set from a legacy IPv6 address. Legacy IPv6 address may be a normal IPv6 address, or another address (e.g. IPv4) disguised as IPv6. This encoding is used in the legacy |
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Parse a Tor or I2P address and set this object to it. |
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Get the address as a human‐readable string, without a port. |
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Unserialize from a stream. |
Static Data Members
Protected Data Members
Name |
Description |
Raw representation of the network address. In network byte order (big endian) for IPv4 and IPv6. |
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Network to which this address belongs. |
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Scope id if scoped/link‐local IPV6 address. See https://tools.ietf.org/html/rfc4007 |
Friends
Name |
Description |
A subnet: a network base address together with a netmask. |
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Order two addresses. |
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Compare two addresses for equality. |
Non-Member Functions
Name |
Description |
Record a local address that we may advertise, scored by nScore. |
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Return all local non‐loopback IPv4 and IPv6 network addresses. |
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Check whether an address is one of the configured proxies. |
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Resolve a host string to its first corresponding network address. |
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Resolve a host string to its corresponding network addresses. |
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Try to open a port using RFC 6886 NAT‐PMP. IPv4 only. |
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Query the OS for the default gateway for |
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Wrapper for getaddrinfo(3). Do not use directly: call Lookup/LookupHost/LookupNumeric/LookupSubNet. |