diff options
Diffstat (limited to 'src/net_processing.h')
| -rw-r--r-- | src/net_processing.h | 57 |
1 files changed, 37 insertions, 20 deletions
diff --git a/src/net_processing.h b/src/net_processing.h index db6d81e6b6..0a49972eed 100644 --- a/src/net_processing.h +++ b/src/net_processing.h @@ -8,6 +8,7 @@ #include "net.h" #include "validationinterface.h" +#include "consensus/params.h" /** Default for -maxorphantx, maximum number of orphan transactions kept in memory */ static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100; @@ -21,23 +22,51 @@ static const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100; * Timeout = base + per_header * (expected number of headers) */ static constexpr int64_t HEADERS_DOWNLOAD_TIMEOUT_BASE = 15 * 60 * 1000000; // 15 minutes static constexpr int64_t HEADERS_DOWNLOAD_TIMEOUT_PER_HEADER = 1000; // 1ms/header +/** Protect at least this many outbound peers from disconnection due to slow/ + * behind headers chain. + */ +static constexpr int32_t MAX_OUTBOUND_PEERS_TO_PROTECT_FROM_DISCONNECT = 4; +/** Timeout for (unprotected) outbound peers to sync to our chainwork, in seconds */ +static constexpr int64_t CHAIN_SYNC_TIMEOUT = 20 * 60; // 20 minutes +/** How frequently to check for stale tips, in seconds */ +static constexpr int64_t STALE_CHECK_INTERVAL = 10 * 60; // 10 minutes +/** How frequently to check for extra outbound peers and disconnect, in seconds */ +static constexpr int64_t EXTRA_PEER_CHECK_INTERVAL = 45; +/** Minimum time an outbound-peer-eviction candidate must be connected for, in order to evict, in seconds */ +static constexpr int64_t MINIMUM_CONNECT_TIME = 30; -/** Register with a network node to receive its signals */ -void RegisterNodeSignals(CNodeSignals& nodeSignals); -/** Unregister a network node */ -void UnregisterNodeSignals(CNodeSignals& nodeSignals); - -class PeerLogicValidation : public CValidationInterface { +class PeerLogicValidation : public CValidationInterface, public NetEventsInterface { private: - CConnman* connman; + CConnman* const connman; public: - PeerLogicValidation(CConnman* connmanIn); + explicit PeerLogicValidation(CConnman* connman, CScheduler &scheduler); void BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindexConnected, const std::vector<CTransactionRef>& vtxConflicted) override; void UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) override; void BlockChecked(const CBlock& block, const CValidationState& state) override; void NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& pblock) override; + + + void InitializeNode(CNode* pnode) override; + void FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) override; + /** Process protocol messages received from a given node */ + bool ProcessMessages(CNode* pfrom, std::atomic<bool>& interrupt) override; + /** + * Send queued protocol messages to be sent to a give node. + * + * @param[in] pto The node which we are sending messages to. + * @param[in] interrupt Interrupt condition for processing threads + * @return True if there is more work to be done + */ + bool SendMessages(CNode* pto, std::atomic<bool>& interrupt) override; + + void ConsiderEviction(CNode *pto, int64_t time_in_seconds); + void CheckForStaleTipAndEvictPeers(const Consensus::Params &consensusParams); + void EvictExtraOutboundPeers(int64_t time_in_seconds); + +private: + int64_t m_stale_tip_check_time; //! Next time to check for stale tip }; struct CNodeStateStats { @@ -52,16 +81,4 @@ bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats); /** Increase a node's misbehavior score. */ void Misbehaving(NodeId nodeid, int howmuch); -/** Process protocol messages received from a given node */ -bool ProcessMessages(CNode* pfrom, CConnman& connman, const std::atomic<bool>& interrupt); -/** - * Send queued protocol messages to be sent to a give node. - * - * @param[in] pto The node which we are sending messages to. - * @param[in] connman The connection manager for that node. - * @param[in] interrupt Interrupt condition for processing threads - * @return True if there is more work to be done - */ -bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interrupt); - #endif // BITCOIN_NET_PROCESSING_H |