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Diffstat (limited to 'src/net.cpp')
-rw-r--r--src/net.cpp23
1 files changed, 13 insertions, 10 deletions
diff --git a/src/net.cpp b/src/net.cpp
index 38b1e7926a..5863f9d3f7 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;
@@ -2108,7 +2109,7 @@ 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);
}
@@ -2498,10 +2499,10 @@ 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)
{
@@ -2694,12 +2695,14 @@ 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();
}