dev::p2p::PingNode Struct Reference

#include <NodeTable.h>

Collaboration diagram for dev::p2p::PingNode:

Public Member Functions
	PingNode (NodeIPEndpoint const &_src, NodeIPEndpoint const &_dest, unsigned _chain_id)
	PingNode (bi::udp::endpoint const &_from, NodeID const &_fromid, h256 const &_echo)
uint8_t	packetType () const override
void	streamRLP (RLPStream &_s) const override
void	interpretRLP (bytesConstRef _bytes) override
std::string	typeName () const override
	DiscoveryDatagram (bi::udp::endpoint const &_to)
	Constructor used for sending. More...
	DiscoveryDatagram (bi::udp::endpoint const &_from, NodeID const &_fromid, h256 const &_echo)
	Constructor used for parsing inbound packets. More...
Public Member Functions inherited from dev::p2p::DiscoveryDatagram
	DiscoveryDatagram (bi::udp::endpoint const &_to)
	Constructor used for sending. More...
	DiscoveryDatagram (bi::udp::endpoint const &_from, NodeID const &_fromid, h256 const &_echo)
	Constructor used for parsing inbound packets. More...
bool	isExpired () const
Public Member Functions inherited from dev::p2p::RLPXDatagramFace
	RLPXDatagramFace (bi::udp::endpoint const &_ep)
virtual	~RLPXDatagramFace ()=default
virtual h256	sign (Secret const &_from)
Public Member Functions inherited from dev::p2p::UDPDatagram
	UDPDatagram (bi::udp::endpoint _ep)
	UDPDatagram (bi::udp::endpoint _ep, bytes _data)
bi::udp::endpoint const &	endpoint () const

Public Attributes
unsigned	version = 0
unsigned	chain_id = 0
NodeIPEndpoint	source
NodeIPEndpoint	destination
std::optional< uint64_t >	seq
Public Attributes inherited from dev::p2p::DiscoveryDatagram
NodeID	sourceid
h256	echo
boost::optional< uint32_t >	expiration
Public Attributes inherited from dev::p2p::UDPDatagram
bytes	data

Static Public Attributes
static constexpr uint8_t	type = 1
Static Public Attributes inherited from dev::p2p::DiscoveryDatagram
static constexpr std::chrono::seconds	c_timeToLiveS {60}

Additional Inherited Members
Static Public Member Functions inherited from dev::p2p::DiscoveryDatagram
static std::unique_ptr< DiscoveryDatagram >	interpretUDP (bi::udp::endpoint const &_from, bytesConstRef _packet)
	Decodes UDP packets. More...
Static Public Member Functions inherited from dev::p2p::RLPXDatagramFace
static uint32_t	futureFromEpoch (std::chrono::seconds _sec)
static uint32_t	secondsSinceEpoch ()
static Public	authenticate (bytesConstRef _sig, bytesConstRef _rlp)
Protected Attributes inherited from dev::p2p::UDPDatagram
bi::udp::endpoint	locus

Detailed Description

Ping packet: Sent to check if node is alive. PingNode is cached and regenerated after timestamp + t, where t is timeout.

Ping is used to implement evict. When a new node is seen for a given bucket which is full, the least-responsive node is pinged. If the pinged node doesn't respond, then it is removed and the new node is inserted.

Constructor & Destructor Documentation

PingNode() [1/2]

dev::p2p::PingNode::PingNode ( NodeIPEndpoint const &  _src, NodeIPEndpoint const &  _dest, unsigned  _chain_id  )

inline

PingNode() [2/2]

dev::p2p::PingNode::PingNode ( bi::udp::endpoint const &  _from, NodeID const &  _fromid, h256 const &  _echo  )

inline

Member Function Documentation

DiscoveryDatagram() [1/2]

dev::p2p::DiscoveryDatagram::DiscoveryDatagram

inline

Constructor used for parsing inbound packets.

DiscoveryDatagram() [2/2]

dev::p2p::DiscoveryDatagram::DiscoveryDatagram

inline

Constructor used for sending.

interpretRLP()

void dev::p2p::PingNode::interpretRLP ( bytesConstRef  _bytes )

inlineoverridevirtual

Implements dev::p2p::RLPXDatagramFace.

packetType()

uint8_t dev::p2p::PingNode::packetType ( ) const

inlineoverridevirtual

Implements dev::p2p::RLPXDatagramFace.

streamRLP()

void dev::p2p::PingNode::streamRLP ( RLPStream &  _s ) const

inlineoverridevirtual

Implements dev::p2p::RLPXDatagramFace.

typeName()

std::string dev::p2p::PingNode::typeName ( ) const

inlineoverridevirtual

Implements dev::p2p::RLPXDatagramFace.

Member Data Documentation

chain_id

unsigned dev::p2p::PingNode::chain_id = 0

destination

NodeIPEndpoint dev::p2p::PingNode::destination

seq

std::optional<uint64_t> dev::p2p::PingNode::seq

source

NodeIPEndpoint dev::p2p::PingNode::source

type

constexpr uint8_t dev::p2p::PingNode::type = 1

staticconstexpr

version

unsigned dev::p2p::PingNode::version = 0

---

The documentation for this struct was generated from the following file:

• libraries/aleth/libp2p/NodeTable.h