diff options
Diffstat (limited to 'src/net.cpp')
-rw-r--r-- | src/net.cpp | 80 |
1 files changed, 60 insertions, 20 deletions
diff --git a/src/net.cpp b/src/net.cpp index 1d90804627..14ac5618eb 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -148,7 +148,7 @@ static std::vector<CAddress> convertSeed6(const std::vector<SeedSpec6> &vSeedsIn // one by discovery. CAddress GetLocalAddress(const CNetAddr *paddrPeer, ServiceFlags nLocalServices) { - CAddress ret(CService(CNetAddr(),GetListenPort()), NODE_NONE); + CAddress ret(CService(CNetAddr(),GetListenPort()), nLocalServices); CService addr; if (GetLocal(addr, paddrPeer)) { @@ -340,6 +340,22 @@ bool CConnman::CheckIncomingNonce(uint64_t nonce) return true; } +/** Get the bind address for a socket as CAddress */ +static CAddress GetBindAddress(SOCKET sock) +{ + CAddress addr_bind; + struct sockaddr_storage sockaddr_bind; + socklen_t sockaddr_bind_len = sizeof(sockaddr_bind); + if (sock != INVALID_SOCKET) { + if (!getsockname(sock, (struct sockaddr*)&sockaddr_bind, &sockaddr_bind_len)) { + addr_bind.SetSockAddr((const struct sockaddr*)&sockaddr_bind); + } else { + LogPrint(BCLog::NET, "Warning: getsockname failed\n"); + } + } + return addr_bind; +} + CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCountFailure) { if (pszDest == NULL) { @@ -393,7 +409,8 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo // Add node NodeId id = GetNewNodeId(); uint64_t nonce = GetDeterministicRandomizer(RANDOMIZER_ID_LOCALHOSTNONCE).Write(id).Finalize(); - CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addrConnect, CalculateKeyedNetGroup(addrConnect), nonce, pszDest ? pszDest : "", false); + CAddress addr_bind = GetBindAddress(hSocket); + CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addrConnect, CalculateKeyedNetGroup(addrConnect), nonce, addr_bind, pszDest ? pszDest : "", false); pnode->nServicesExpected = ServiceFlags(addrConnect.nServices & nRelevantServices); pnode->AddRef(); @@ -635,6 +652,7 @@ void CNode::copyStats(CNodeStats &stats) stats.nodeid = this->GetId(); X(nServices); X(addr); + X(addrBind); { LOCK(cs_filter); X(fRelayTxes); @@ -1036,9 +1054,11 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) { int nInbound = 0; int nMaxInbound = nMaxConnections - (nMaxOutbound + nMaxFeeler); - if (hSocket != INVALID_SOCKET) - if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr)) + if (hSocket != INVALID_SOCKET) { + if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr)) { LogPrintf("Warning: Unknown socket family\n"); + } + } bool whitelisted = hListenSocket.whitelisted || IsWhitelistedRange(addr); { @@ -1071,12 +1091,7 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) { // According to the internet TCP_NODELAY is not carried into accepted sockets // on all platforms. Set it again here just to be sure. - int set = 1; -#ifdef WIN32 - setsockopt(hSocket, IPPROTO_TCP, TCP_NODELAY, (const char*)&set, sizeof(int)); -#else - setsockopt(hSocket, IPPROTO_TCP, TCP_NODELAY, (void*)&set, sizeof(int)); -#endif + SetSocketNoDelay(hSocket); if (IsBanned(addr) && !whitelisted) { @@ -1097,8 +1112,9 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) { NodeId id = GetNewNodeId(); uint64_t nonce = GetDeterministicRandomizer(RANDOMIZER_ID_LOCALHOSTNONCE).Write(id).Finalize(); + CAddress addr_bind = GetBindAddress(hSocket); - CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, "", true); + CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, addr_bind, "", true); pnode->AddRef(); pnode->fWhitelisted = whitelisted; GetNodeSignals().InitializeNode(pnode, *this); @@ -1670,12 +1686,12 @@ void CConnman::ProcessOneShot() void CConnman::ThreadOpenConnections() { // Connect to specific addresses - if (mapMultiArgs.count("-connect") && mapMultiArgs.at("-connect").size() > 0) + if (gArgs.IsArgSet("-connect") && gArgs.GetArgs("-connect").size() > 0) { for (int64_t nLoop = 0;; nLoop++) { ProcessOneShot(); - BOOST_FOREACH(const std::string& strAddr, mapMultiArgs.at("-connect")) + BOOST_FOREACH(const std::string& strAddr, gArgs.GetArgs("-connect")) { CAddress addr(CService(), NODE_NONE); OpenNetworkConnection(addr, false, NULL, strAddr.c_str()); @@ -1726,11 +1742,17 @@ void CConnman::ThreadOpenConnections() // Only connect out to one peer per network group (/16 for IPv4). // Do this here so we don't have to critsect vNodes inside mapAddresses critsect. int nOutbound = 0; + int nOutboundRelevant = 0; std::set<std::vector<unsigned char> > setConnected; { LOCK(cs_vNodes); BOOST_FOREACH(CNode* pnode, vNodes) { if (!pnode->fInbound && !pnode->fAddnode) { + + // Count the peers that have all relevant services + if (pnode->fSuccessfullyConnected && !pnode->fFeeler && ((pnode->nServices & nRelevantServices) == nRelevantServices)) { + nOutboundRelevant++; + } // Netgroups for inbound and addnode peers are not excluded because our goal here // is to not use multiple of our limited outbound slots on a single netgroup // but inbound and addnode peers do not use our outbound slots. Inbound peers @@ -1748,9 +1770,9 @@ void CConnman::ThreadOpenConnections() // * Increase the number of connectable addresses in the tried table. // // Method: - // * Choose a random address from new and attempt to connect to it if we can connect + // * Choose a random address from new and attempt to connect to it if we can connect // successfully it is added to tried. - // * Start attempting feeler connections only after node finishes making outbound + // * Start attempting feeler connections only after node finishes making outbound // connections. // * Only make a feeler connection once every few minutes. // @@ -1794,14 +1816,27 @@ void CConnman::ThreadOpenConnections() continue; // only consider nodes missing relevant services after 40 failed attempts and only if less than half the outbound are up. - if ((addr.nServices & nRelevantServices) != nRelevantServices && (nTries < 40 || nOutbound >= (nMaxOutbound >> 1))) + ServiceFlags nRequiredServices = nRelevantServices; + if (nTries >= 40 && nOutbound < (nMaxOutbound >> 1)) { + nRequiredServices = REQUIRED_SERVICES; + } + + if ((addr.nServices & nRequiredServices) != nRequiredServices) { continue; + } // do not allow non-default ports, unless after 50 invalid addresses selected already if (addr.GetPort() != Params().GetDefaultPort() && nTries < 50) continue; addrConnect = addr; + + // regardless of the services assumed to be available, only require the minimum if half or more outbound have relevant services + if (nOutboundRelevant >= (nMaxOutbound >> 1)) { + addrConnect.nServices = REQUIRED_SERVICES; + } else { + addrConnect.nServices = nRequiredServices; + } break; } @@ -1877,8 +1912,8 @@ void CConnman::ThreadOpenAddedConnections() { { LOCK(cs_vAddedNodes); - if (mapMultiArgs.count("-addnode")) - vAddedNodes = mapMultiArgs.at("-addnode"); + if (gArgs.IsArgSet("-addnode")) + vAddedNodes = gArgs.GetArgs("-addnode"); } while (true) @@ -2217,6 +2252,10 @@ bool CConnman::Start(CScheduler& scheduler, std::string& strNodeError, Options c SetBestHeight(connOptions.nBestHeight); + for (const auto& strDest : connOptions.vSeedNodes) { + AddOneShot(strDest); + } + clientInterface = connOptions.uiInterface; if (clientInterface) { clientInterface->InitMessage(_("Loading P2P addresses...")); @@ -2289,7 +2328,7 @@ bool CConnman::Start(CScheduler& scheduler, std::string& strNodeError, Options c threadOpenAddedConnections = std::thread(&TraceThread<std::function<void()> >, "addcon", std::function<void()>(std::bind(&CConnman::ThreadOpenAddedConnections, this))); // Initiate outbound connections unless connect=0 - if (!mapMultiArgs.count("-connect") || mapMultiArgs.at("-connect").size() != 1 || mapMultiArgs.at("-connect")[0] != "0") + if (!gArgs.IsArgSet("-connect") || gArgs.GetArgs("-connect").size() != 1 || gArgs.GetArgs("-connect")[0] != "0") threadOpenConnections = std::thread(&TraceThread<std::function<void()> >, "opencon", std::function<void()>(std::bind(&CConnman::ThreadOpenConnections, this))); // Process messages @@ -2621,9 +2660,10 @@ int CConnman::GetBestHeight() const unsigned int CConnman::GetReceiveFloodSize() const { return nReceiveFloodSize; } unsigned int CConnman::GetSendBufferSize() const{ return nSendBufferMaxSize; } -CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const std::string& addrNameIn, bool fInboundIn) : +CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string& addrNameIn, bool fInboundIn) : nTimeConnected(GetSystemTimeInSeconds()), addr(addrIn), + addrBind(addrBindIn), fInbound(fInboundIn), nKeyedNetGroup(nKeyedNetGroupIn), addrKnown(5000, 0.001), |