diff options
Diffstat (limited to 'src/net_processing.h')
| -rw-r--r-- | src/net_processing.h | 43 |
1 files changed, 15 insertions, 28 deletions
diff --git a/src/net_processing.h b/src/net_processing.h index 195d0d2033..f16d00032e 100644 --- a/src/net_processing.h +++ b/src/net_processing.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2017 The Bitcoin Core developers +// Copyright (c) 2009-2018 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -12,35 +12,17 @@ /** Default for -maxorphantx, maximum number of orphan transactions kept in memory */ static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100; -/** Expiration time for orphan transactions in seconds */ -static const int64_t ORPHAN_TX_EXPIRE_TIME = 20 * 60; -/** Minimum time between orphan transactions expire time checks in seconds */ -static const int64_t ORPHAN_TX_EXPIRE_INTERVAL = 5 * 60; /** Default number of orphan+recently-replaced txn to keep around for block reconstruction */ static const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100; -/** Headers download timeout expressed in microseconds - * 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; +/** Default for BIP61 (sending reject messages) */ +static constexpr bool DEFAULT_ENABLE_BIP61 = true; class PeerLogicValidation final : public CValidationInterface, public NetEventsInterface { private: CConnman* const connman; public: - explicit PeerLogicValidation(CConnman* connman, CScheduler &scheduler); + explicit PeerLogicValidation(CConnman* connman, CScheduler &scheduler, bool enable_bip61); /** * Overridden from CValidationInterface. @@ -63,19 +45,23 @@ public: void InitializeNode(CNode* pnode) override; /** Handle removal of a peer by updating various state and removing it from mapNodeState */ void FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) override; - /** Process protocol messages received from a given node */ + /** + * Process protocol messages received from a given node + * + * @param[in] pfrom The node which we have received messages from. + * @param[in] interrupt Interrupt condition for processing threads + */ 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; + bool SendMessages(CNode* pto) override EXCLUSIVE_LOCKS_REQUIRED(pto->cs_sendProcessing); /** Consider evicting an outbound peer based on the amount of time they've been behind our tip */ - void ConsiderEviction(CNode *pto, int64_t time_in_seconds); + void ConsiderEviction(CNode *pto, int64_t time_in_seconds) EXCLUSIVE_LOCKS_REQUIRED(cs_main); /** Evict extra outbound peers. If we think our tip may be stale, connect to an extra outbound */ void CheckForStaleTipAndEvictPeers(const Consensus::Params &consensusParams); /** If we have extra outbound peers, try to disconnect the one with the oldest block announcement */ @@ -83,6 +69,9 @@ public: private: int64_t m_stale_tip_check_time; //! Next time to check for stale tip + + /** Enable BIP61 (sending reject messages) */ + const bool m_enable_bip61; }; struct CNodeStateStats { @@ -94,7 +83,5 @@ struct CNodeStateStats { /** Get statistics from node state */ bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats); -/** Increase a node's misbehavior score. */ -void Misbehaving(NodeId nodeid, int howmuch, const std::string& message=""); #endif // BITCOIN_NET_PROCESSING_H |