diff options
Diffstat (limited to 'src/net.h')
| -rw-r--r-- | src/net.h | 86 |
1 files changed, 74 insertions, 12 deletions
@@ -114,6 +114,17 @@ struct CSerializedNetMsg std::string m_type; }; +/** Different types of connections to a peer. This enum encapsulates the + * information we have available at the time of opening or accepting the + * connection. Aside from INBOUND, all types are initiated by us. */ +enum class ConnectionType { + INBOUND, /**< peer initiated connections */ + OUTBOUND, /**< full relay connections (blocks, addrs, txns) made automatically. Addresses selected from AddrMan. */ + MANUAL, /**< connections to addresses added via addnode or the connect command line argument */ + FEELER, /**< short lived connections used to test address validity */ + BLOCK_RELAY, /**< only relay blocks to these automatic outbound connections. Addresses selected from AddrMan. */ + ADDR_FETCH, /**< short lived connections used to solicit addrs when starting the node without a populated AddrMan */ +}; class NetEventsInterface; class CConnman @@ -198,7 +209,7 @@ public: bool GetNetworkActive() const { return fNetworkActive; }; bool GetUseAddrmanOutgoing() const { return m_use_addrman_outgoing; }; void SetNetworkActive(bool active); - void OpenNetworkConnection(const CAddress& addrConnect, bool fCountFailure, CSemaphoreGrant *grantOutbound = nullptr, const char *strDest = nullptr, bool fOneShot = false, bool fFeeler = false, bool manual_connection = false, bool block_relay_only = false); + void OpenNetworkConnection(const CAddress& addrConnect, bool fCountFailure, CSemaphoreGrant *grantOutbound = nullptr, const char *strDest = nullptr, ConnectionType conn_type = ConnectionType::OUTBOUND); bool CheckIncomingNonce(uint64_t nonce); bool ForNode(NodeId id, std::function<bool(CNode* pnode)> func); @@ -348,8 +359,8 @@ private: bool Bind(const CService& addr, unsigned int flags, NetPermissionFlags permissions); bool InitBinds(const std::vector<CService>& binds, const std::vector<NetWhitebindPermissions>& whiteBinds); void ThreadOpenAddedConnections(); - void AddOneShot(const std::string& strDest); - void ProcessOneShot(); + void AddAddrFetch(const std::string& strDest); + void ProcessAddrFetch(); void ThreadOpenConnections(std::vector<std::string> connect); void ThreadMessageHandler(); void AcceptConnection(const ListenSocket& hListenSocket); @@ -370,7 +381,7 @@ private: CNode* FindNode(const CService& addr); bool AttemptToEvictConnection(); - CNode* ConnectNode(CAddress addrConnect, const char *pszDest, bool fCountFailure, bool manual_connection, bool block_relay_only); + CNode* ConnectNode(CAddress addrConnect, const char *pszDest, bool fCountFailure, ConnectionType conn_type); void AddWhitelistPermissionFlags(NetPermissionFlags& flags, const CNetAddr &addr) const; void DeleteNode(CNode* pnode); @@ -413,8 +424,8 @@ private: std::atomic<bool> fNetworkActive{true}; bool fAddressesInitialized{false}; CAddrMan addrman; - std::deque<std::string> vOneShots GUARDED_BY(cs_vOneShots); - RecursiveMutex cs_vOneShots; + std::deque<std::string> m_addr_fetches GUARDED_BY(m_addr_fetches_mutex); + RecursiveMutex m_addr_fetches_mutex; std::vector<std::string> vAddedNodes GUARDED_BY(cs_vAddedNodes); RecursiveMutex cs_vAddedNodes; std::vector<CNode*> vNodes GUARDED_BY(cs_vNodes); @@ -795,12 +806,8 @@ public: } // This boolean is unusued in actual processing, only present for backward compatibility at RPC/QT level bool m_legacyWhitelisted{false}; - bool fFeeler{false}; // If true this node is being used as a short lived feeler. - bool fOneShot{false}; - bool m_manual_connection{false}; bool fClient{false}; // set by version message bool m_limited_node{false}; //after BIP159, set by version message - const bool fInbound; std::atomic_bool fSuccessfullyConnected{false}; // Setting fDisconnect to true will cause the node to be disconnected the // next time DisconnectNodes() runs @@ -813,6 +820,60 @@ public: std::atomic_bool fPauseRecv{false}; std::atomic_bool fPauseSend{false}; + bool IsOutboundOrBlockRelayConn() const { + switch(m_conn_type) { + case ConnectionType::OUTBOUND: + case ConnectionType::BLOCK_RELAY: + return true; + case ConnectionType::INBOUND: + case ConnectionType::MANUAL: + case ConnectionType::ADDR_FETCH: + case ConnectionType::FEELER: + return false; + } + + assert(false); + } + + bool IsFullOutboundConn() const { + return m_conn_type == ConnectionType::OUTBOUND; + } + + bool IsManualConn() const { + return m_conn_type == ConnectionType::MANUAL; + } + + bool IsBlockOnlyConn() const { + return m_conn_type == ConnectionType::BLOCK_RELAY; + } + + bool IsFeelerConn() const { + return m_conn_type == ConnectionType::FEELER; + } + + bool IsAddrFetchConn() const { + return m_conn_type == ConnectionType::ADDR_FETCH; + } + + bool IsInboundConn() const { + return m_conn_type == ConnectionType::INBOUND; + } + + bool ExpectServicesFromConn() const { + switch(m_conn_type) { + case ConnectionType::INBOUND: + case ConnectionType::MANUAL: + case ConnectionType::FEELER: + return false; + case ConnectionType::OUTBOUND: + case ConnectionType::BLOCK_RELAY: + case ConnectionType::ADDR_FETCH: + return true; + } + + assert(false); + } + protected: mapMsgCmdSize mapSendBytesPerMsgCmd; mapMsgCmdSize mapRecvBytesPerMsgCmd GUARDED_BY(cs_vRecv); @@ -823,7 +884,7 @@ public: // flood relay std::vector<CAddress> vAddrToSend; - const std::unique_ptr<CRollingBloomFilter> m_addr_known; + std::unique_ptr<CRollingBloomFilter> m_addr_known = nullptr; bool fGetAddr{false}; std::chrono::microseconds m_next_addr_send GUARDED_BY(cs_sendProcessing){0}; std::chrono::microseconds m_next_local_addr_send GUARDED_BY(cs_sendProcessing){0}; @@ -887,7 +948,7 @@ public: std::set<uint256> orphan_work_set; - CNode(NodeId id, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress &addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string &addrNameIn = "", bool fInboundIn = false, bool block_relay_only = false); + CNode(NodeId id, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress &addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string &addrNameIn, ConnectionType conn_type_in); ~CNode(); CNode(const CNode&) = delete; CNode& operator=(const CNode&) = delete; @@ -895,6 +956,7 @@ public: private: const NodeId id; const uint64_t nLocalHostNonce; + const ConnectionType m_conn_type; //! Services offered to this peer. //! |