diff options
Diffstat (limited to 'src/net.h')
| -rw-r--r-- | src/net.h | 20 |
1 files changed, 16 insertions, 4 deletions
@@ -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. @@ -45,6 +45,8 @@ static const int TIMEOUT_INTERVAL = 20 * 60; static const int FEELER_INTERVAL = 120; /** The maximum number of entries in an 'inv' protocol message */ static const unsigned int MAX_INV_SZ = 50000; +/** The maximum number of entries in a locator */ +static const unsigned int MAX_LOCATOR_SZ = 101; /** The maximum number of new addresses to accumulate before announcing. */ static const unsigned int MAX_ADDR_TO_SEND = 1000; /** Maximum length of incoming protocol messages (no message over 4 MB is currently acceptable). */ @@ -310,6 +312,13 @@ public: unsigned int GetReceiveFloodSize() const; void WakeMessageHandler(); + + /** Attempts to obfuscate tx time through exponentially distributed emitting. + Works assuming that a single interval is used. + Variable intervals will result in privacy decrease. + */ + int64_t PoissonNextSendInbound(int64_t now, int average_interval_seconds); + private: struct ListenSocket { SOCKET socket; @@ -418,7 +427,7 @@ private: bool fMsgProcWake; std::condition_variable condMsgProc; - std::mutex mutexMsgProc; + Mutex mutexMsgProc; std::atomic<bool> flagInterruptMsgProc; CThreadInterrupt interruptNet; @@ -434,6 +443,8 @@ private: * This takes the place of a feeler connection */ std::atomic_bool m_try_another_outbound_peer; + std::atomic<int64_t> m_next_send_inv_to_incoming{0}; + friend struct CConnmanTest; }; extern std::unique_ptr<CConnman> g_connman; @@ -496,7 +507,7 @@ bool IsLimited(enum Network net); bool IsLimited(const CNetAddr& addr); bool AddLocal(const CService& addr, int nScore = LOCAL_NONE); bool AddLocal(const CNetAddr& addr, int nScore = LOCAL_NONE); -bool RemoveLocal(const CService& addr); +void RemoveLocal(const CService& addr); bool SeenLocal(const CService& addr); bool IsLocal(const CService& addr); bool GetLocal(CService &addr, const CNetAddr *paddrPeer = nullptr); @@ -547,6 +558,7 @@ public: double dPingTime; double dPingWait; double dMinPing; + CAmount minFeeFilter; // Our address, as reported by the peer std::string addrLocal; // Address of this peer @@ -863,6 +875,6 @@ public: /** Return a timestamp in the future (in microseconds) for exponentially distributed events. */ -int64_t PoissonNextSend(int64_t nNow, int average_interval_seconds); +int64_t PoissonNextSend(int64_t now, int average_interval_seconds); #endif // BITCOIN_NET_H |