diff options
Diffstat (limited to 'src/net.cpp')
| -rw-r--r-- | src/net.cpp | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/src/net.cpp b/src/net.cpp index c32f81d8dc..cce06f2d64 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -63,6 +63,7 @@ const static std::string NET_MESSAGE_COMMAND_OTHER = "*other*"; +static const uint64_t RANDOMIZER_ID_NETGROUP = 0x6c0edd8036ef4036ULL; // SHA256("netgroup")[0:8] // // Global state variables // @@ -387,7 +388,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo addrman.Attempt(addrConnect, fCountFailure); // Add node - CNode* pnode = new CNode(GetNewNodeId(), nLocalServices, GetBestHeight(), hSocket, addrConnect, pszDest ? pszDest : "", false); + CNode* pnode = new CNode(GetNewNodeId(), nLocalServices, GetBestHeight(), hSocket, addrConnect, CalculateKeyedNetGroup(addrConnect), pszDest ? pszDest : "", false); GetNodeSignals().InitializeNode(pnode->GetId(), pnode); pnode->AddRef(); @@ -1022,7 +1023,7 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) { } } - CNode* pnode = new CNode(GetNewNodeId(), nLocalServices, GetBestHeight(), hSocket, addr, "", true); + CNode* pnode = new CNode(GetNewNodeId(), nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), "", true); GetNodeSignals().InitializeNode(pnode->GetId(), pnode); pnode->AddRef(); pnode->fWhitelisted = whitelisted; @@ -2023,7 +2024,7 @@ void Discover(boost::thread_group& threadGroup) #endif } -CConnman::CConnman() +CConnman::CConnman(uint64_t nSeed0In, uint64_t nSeed1In) : nSeed0(nSeed0In), nSeed1(nSeed1In) { setBannedIsDirty = false; fAddressesInitialized = false; @@ -2109,7 +2110,7 @@ bool CConnman::Start(boost::thread_group& threadGroup, CScheduler& scheduler, st if (pnodeLocalHost == NULL) { CNetAddr local; LookupHost("127.0.0.1", local, false); - pnodeLocalHost = new CNode(GetNewNodeId(), nLocalServices, GetBestHeight(), INVALID_SOCKET, CAddress(CService(local, 0), nLocalServices)); + pnodeLocalHost = new CNode(GetNewNodeId(), nLocalServices, GetBestHeight(), INVALID_SOCKET, CAddress(CService(local, 0), nLocalServices), 0); GetNodeSignals().InitializeNode(pnodeLocalHost->GetId(), pnodeLocalHost); } @@ -2499,10 +2500,10 @@ void CNode::Fuzz(int nChance) 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, const std::string& addrNameIn, bool fInboundIn) : +CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, const std::string& addrNameIn, bool fInboundIn) : ssSend(SER_NETWORK, INIT_PROTO_VERSION), addr(addrIn), - nKeyedNetGroup(CalculateKeyedNetGroup(addrIn)), + nKeyedNetGroup(nKeyedNetGroupIn), addrKnown(5000, 0.001), filterInventoryKnown(50000, 0.000001) { @@ -2695,12 +2696,14 @@ int64_t PoissonNextSend(int64_t nNow, int average_interval_seconds) { return nNow + (int64_t)(log1p(GetRand(1ULL << 48) * -0.0000000000000035527136788 /* -1/2^48 */) * average_interval_seconds * -1000000.0 + 0.5); } -/* static */ uint64_t CNode::CalculateKeyedNetGroup(const CAddress& ad) +CSipHasher CConnman::GetDeterministicRandomizer(uint64_t id) { - static const uint64_t k0 = GetRand(std::numeric_limits<uint64_t>::max()); - static const uint64_t k1 = GetRand(std::numeric_limits<uint64_t>::max()); + return CSipHasher(nSeed0, nSeed1).Write(id); +} +uint64_t CConnman::CalculateKeyedNetGroup(const CAddress& ad) +{ std::vector<unsigned char> vchNetGroup(ad.GetGroup()); - return CSipHasher(k0, k1).Write(&vchNetGroup[0], vchNetGroup.size()).Finalize(); + return GetDeterministicRandomizer(RANDOMIZER_ID_NETGROUP).Write(&vchNetGroup[0], vchNetGroup.size()).Finalize(); } |