net_processing.h File Reference

#include <net.h>
#include <validationinterface.h>
#include <consensus/params.h>

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Classes
class	PeerLogicValidation
struct	CNodeStateStats

Functions
bool	GetNodeStateStats (NodeId nodeid, CNodeStateStats &stats)
	Get statistics from node state. More...
void	Misbehaving (NodeId nodeid, int howmuch, const std::string &message="")
	Increase a node's misbehavior score. More...
bool	IsBanned (NodeId nodeid)
void	EraseObjectRequest (NodeId nodeId, const CInv &inv)
void	RequestObject (NodeId nodeId, const CInv &inv, std::chrono::microseconds current_time, bool fForce=false)
size_t	GetRequestedObjectCount (NodeId nodeId)

Variables
static const unsigned int	DEFAULT_MAX_ORPHAN_TRANSACTIONS_SIZE = 10
	Default for -maxorphantxsize, maximum size in megabytes the orphan map can grow before entries are removed. More...
static const int64_t	ORPHAN_TX_EXPIRE_TIME = 20 * 60
	Expiration time for orphan transactions in seconds. More...
static const int64_t	ORPHAN_TX_EXPIRE_INTERVAL = 5 * 60
	Minimum time between orphan transactions expire time checks in seconds. More...
static const unsigned int	DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100
	Default number of orphan+recently-replaced txn to keep around for block reconstruction. More...
static constexpr int64_t	HEADERS_DOWNLOAD_TIMEOUT_BASE = 15 * 60 * 1000000
	Headers download timeout expressed in microseconds Timeout = base + per_header * (expected number of headers) More...
static constexpr int64_t	HEADERS_DOWNLOAD_TIMEOUT_PER_HEADER = 1000
static constexpr int32_t	MAX_OUTBOUND_PEERS_TO_PROTECT_FROM_DISCONNECT = 4
	Protect at least this many outbound peers from disconnection due to slow/ behind headers chain. More...
static constexpr int64_t	CHAIN_SYNC_TIMEOUT = 20 * 60
	Timeout for (unprotected) outbound peers to sync to our chainwork, in seconds. More...
static constexpr int64_t	STALE_CHECK_INTERVAL = 150
	How frequently to check for stale tips, in seconds. More...
static constexpr int64_t	EXTRA_PEER_CHECK_INTERVAL = 45
	How frequently to check for extra outbound peers and disconnect, in seconds. More...
static constexpr int64_t	MINIMUM_CONNECT_TIME = 30
	Minimum time an outbound-peer-eviction candidate must be connected for, in order to evict, in seconds. More...
static constexpr bool	DEFAULT_ENABLE_BIP61 = true
	Default for BIP61 (sending reject messages) More...
bool	g_enable_bip61
	Enable BIP61 (sending reject messages) More...

Function Documentation

EraseObjectRequest()

void EraseObjectRequest	(	NodeId	nodeId,
		const CInv &	inv
	)

Definition at line 689 of file net_processing.cpp.

References AssertLockHeld(), cs_main, and EraseObjectRequest().

GetNodeStateStats()

bool GetNodeStateStats	(	NodeId	nodeid,
		CNodeStateStats &	stats
	)

Get statistics from node state.

Definition at line 880 of file net_processing.cpp.

References cs_main, LOCK, CNodeStateStats::nCommonHeight, CNodeStateStats::nMisbehavior, CNodeStateStats::nSyncHeight, and CNodeStateStats::vHeightInFlight.

Referenced by getpeerinfo(), and PeerTablePriv::refreshPeers().

GetRequestedObjectCount()

size_t GetRequestedObjectCount

(

NodeId

nodeId

)

Definition at line 807 of file net_processing.cpp.

References AssertLockHeld(), and cs_main.

Referenced by CGovernanceManager::RequestGovernanceObjectVotes().

IsBanned()

bool IsBanned

(

NodeId

nodeid

)

Definition at line 1045 of file net_processing.cpp.

Referenced by llmq::CSigSharesManager::RemoveBannedNodeStates().

Misbehaving()

void Misbehaving	(	NodeId	nodeid,
		int	howmuch,
		const std::string &	message = ""
	)

Increase a node's misbehavior score.

Definition at line 1024 of file net_processing.cpp.

References DEFAULT_BANSCORE_THRESHOLD, gArgs, ArgsManager::GetArg(), LogPrint, and BCLog::NET.

Referenced by llmq::CSigSharesManager::BanNode(), PeerLogicValidation::BlockChecked(), ProcessHeadersMessage(), llmq::CQuorumBlockProcessor::ProcessMessage(), CMNAuth::ProcessMessage(), llmq::CDKGSessionManager::ProcessMessage(), CPrivateSendServer::ProcessMessage(), CPrivateSendClientManager::ProcessMessage(), CGovernanceManager::ProcessMessage(), ProcessMessage(), llmq::CInstantSendManager::ProcessMessageInstantSendLock(), llmq::CSigningManager::ProcessMessageRecoveredSig(), llmq::CChainLocksHandler::ProcessNewChainLock(), llmq::CInstantSendManager::ProcessPendingInstantSendLocks(), llmq::ProcessPendingMessageBatch(), llmq::CSigningManager::ProcessPendingRecoveredSigs(), CSporkManager::ProcessSpork(), SendBlockTransactions(), CGovernanceManager::SyncObjects(), and while().

RequestObject()

void RequestObject	(	NodeId	nodeId,
		const CInv &	inv,
		std::chrono::microseconds	current_time,
		bool	fForce = false
	)

Definition at line 797 of file net_processing.cpp.

References AssertLockHeld(), cs_main, and RequestObject().

Variable Documentation

CHAIN_SYNC_TIMEOUT

constexpr int64_t CHAIN_SYNC_TIMEOUT = 20 * 60

static

Timeout for (unprotected) outbound peers to sync to our chainwork, in seconds.

Definition at line 31 of file net_processing.h.

Referenced by PeerLogicValidation::ConsiderEviction().

DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN

const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100

static

Default number of orphan+recently-replaced txn to keep around for block reconstruction.

Definition at line 20 of file net_processing.h.

Referenced by AddToCompactExtraTransactions(), and HelpMessage().

DEFAULT_ENABLE_BIP61

constexpr bool DEFAULT_ENABLE_BIP61 = true

static

Default for BIP61 (sending reject messages)

Definition at line 41 of file net_processing.h.

Referenced by AppInitParameterInteraction(), and HelpMessage().

DEFAULT_MAX_ORPHAN_TRANSACTIONS_SIZE

const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS_SIZE = 10

static

Default for -maxorphantxsize, maximum size in megabytes the orphan map can grow before entries are removed.

Definition at line 14 of file net_processing.h.

Referenced by HelpMessage(), and ProcessMessage().

EXTRA_PEER_CHECK_INTERVAL

constexpr int64_t EXTRA_PEER_CHECK_INTERVAL = 45

static

How frequently to check for extra outbound peers and disconnect, in seconds.

Definition at line 36 of file net_processing.h.

Referenced by PeerLogicValidation::PeerLogicValidation().

g_enable_bip61

bool g_enable_bip61

Enable BIP61 (sending reject messages)

Definition at line 80 of file net_processing.cpp.

Referenced by AppInitParameterInteraction(), CPrivateSendServer::ProcessMessage(), CPrivateSendClientSession::ProcessMessage(), CPrivateSendClientManager::ProcessMessage(), CGovernanceManager::ProcessMessage(), ProcessMessage(), PeerLogicValidation::ProcessMessages(), and SendRejectsAndCheckIfBanned().

HEADERS_DOWNLOAD_TIMEOUT_BASE

constexpr int64_t HEADERS_DOWNLOAD_TIMEOUT_BASE = 15 * 60 * 1000000

static

Headers download timeout expressed in microseconds Timeout = base + per_header * (expected number of headers)

Definition at line 24 of file net_processing.h.

Referenced by ProcessMessage(), and PeerLogicValidation::SendMessages().

HEADERS_DOWNLOAD_TIMEOUT_PER_HEADER

constexpr int64_t HEADERS_DOWNLOAD_TIMEOUT_PER_HEADER = 1000

static

Definition at line 25 of file net_processing.h.

Referenced by ProcessMessage(), and PeerLogicValidation::SendMessages().

MAX_OUTBOUND_PEERS_TO_PROTECT_FROM_DISCONNECT

constexpr int32_t MAX_OUTBOUND_PEERS_TO_PROTECT_FROM_DISCONNECT = 4

static

Protect at least this many outbound peers from disconnection due to slow/ behind headers chain.

Definition at line 29 of file net_processing.h.

MINIMUM_CONNECT_TIME

constexpr int64_t MINIMUM_CONNECT_TIME = 30

static

Minimum time an outbound-peer-eviction candidate must be connected for, in order to evict, in seconds.

Definition at line 38 of file net_processing.h.

Referenced by PeerLogicValidation::EvictExtraOutboundPeers().

ORPHAN_TX_EXPIRE_INTERVAL

const int64_t ORPHAN_TX_EXPIRE_INTERVAL = 5 * 60

static

Minimum time between orphan transactions expire time checks in seconds.

Definition at line 18 of file net_processing.h.

Referenced by LimitOrphanTxSize().

ORPHAN_TX_EXPIRE_TIME

const int64_t ORPHAN_TX_EXPIRE_TIME = 20 * 60

static

Expiration time for orphan transactions in seconds.

Definition at line 16 of file net_processing.h.

Referenced by AddOrphanTx(), and LimitOrphanTxSize().

STALE_CHECK_INTERVAL

constexpr int64_t STALE_CHECK_INTERVAL = 150

static

How frequently to check for stale tips, in seconds.

Definition at line 34 of file net_processing.h.

Referenced by PeerLogicValidation::CheckForStaleTipAndEvictPeers(), and PeerLogicValidation::PeerLogicValidation().