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net: move nLastNodeId to CConnman

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This commit is contained in:
Cory Fields 2016-04-17 20:20:34 -04:00
parent 6c19d92361
commit 551e0887db
4 changed files with 25 additions and 23 deletions
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24
src/net.cpp
View file

@ -89,9 +89,6 @@ std::string strSubVersion;
limitedmap<uint256, int64_t> mapAlreadyAskedFor(MAX_INV_SZ);
NodeId nLastNodeId = 0;
CCriticalSection cs_nLastNodeId;
static CSemaphore *semOutbound = NULL;
boost::condition_variable messageHandlerCondition;
@ -404,7 +401,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
addrman.Attempt(addrConnect, fCountFailure);
// Add node
CNode* pnode = new CNode(hSocket, addrConnect, pszDest ? pszDest : "", false);
CNode* pnode = new CNode(GetNewNodeId(), hSocket, addrConnect, pszDest ? pszDest : "", false);
GetNodeSignals().InitializeNode(pnode->GetId(), pnode);
pnode->AddRef();
@ -1038,7 +1035,7 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
}
}
CNode* pnode = new CNode(hSocket, addr, "", true);
CNode* pnode = new CNode(GetNewNodeId(), hSocket, addr, "", true);
GetNodeSignals().InitializeNode(pnode->GetId(), pnode);
pnode->AddRef();
pnode->fWhitelisted = whitelisted;
@ -2030,6 +2027,7 @@ CConnman::CConnman()
{
setBannedIsDirty = false;
fAddressesInitialized = false;
nLastNodeId = 0;
}
bool StartNode(CConnman& connman, boost::thread_group& threadGroup, CScheduler& scheduler, std::string& strNodeError)
@ -2041,9 +2039,13 @@ bool StartNode(CConnman& connman, boost::thread_group& threadGroup, CScheduler&
return ret;
}
NodeId CConnman::GetNewNodeId()
{
return nLastNodeId.fetch_add(1, std::memory_order_relaxed);
}
bool CConnman::Start(boost::thread_group& threadGroup, CScheduler& scheduler, std::string& strNodeError)
{
uiInterface.InitMessage(_("Loading addresses..."));
// Load addresses from peers.dat
int64_t nStart = GetTimeMillis();
@ -2089,7 +2091,7 @@ 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(INVALID_SOCKET, CAddress(CService(local, 0), nLocalServices));
pnodeLocalHost = new CNode(GetNewNodeId(), INVALID_SOCKET, CAddress(CService(local, 0), nLocalServices));
GetNodeSignals().InitializeNode(pnodeLocalHost->GetId(), pnodeLocalHost);
}
@ -2478,7 +2480,7 @@ void CNode::Fuzz(int nChance)
unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", DEFAULT_MAXRECEIVEBUFFER); }
unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", DEFAULT_MAXSENDBUFFER); }
CNode::CNode(SOCKET hSocketIn, const CAddress& addrIn, const std::string& addrNameIn, bool fInboundIn) :
CNode::CNode(NodeId idIn, SOCKET hSocketIn, const CAddress& addrIn, const std::string& addrNameIn, bool fInboundIn) :
ssSend(SER_NETWORK, INIT_PROTO_VERSION),
addr(addrIn),
nKeyedNetGroup(CalculateKeyedNetGroup(addrIn)),
@ -2531,16 +2533,12 @@ CNode::CNode(SOCKET hSocketIn, const CAddress& addrIn, const std::string& addrNa
minFeeFilter = 0;
lastSentFeeFilter = 0;
nextSendTimeFeeFilter = 0;
id = idIn;
BOOST_FOREACH(const std::string &msg, getAllNetMessageTypes())
mapRecvBytesPerMsgCmd[msg] = 0;
mapRecvBytesPerMsgCmd[NET_MESSAGE_COMMAND_OTHER] = 0;
{
LOCK(cs_nLastNodeId);
id = nLastNodeId++;
}
if (fLogIPs)
LogPrint("net", "Added connection to %s peer=%d\n", addrName, id);
else

9
src/net.h
View file

@ -196,6 +196,9 @@ private:
bool IsWhitelistedRange(const CNetAddr &addr);
void DeleteNode(CNode* pnode);
NodeId GetNewNodeId();
//!check is the banlist has unwritten changes
bool BannedSetIsDirty();
//!set the "dirty" flag for the banlist
@ -223,6 +226,7 @@ private:
CCriticalSection cs_vAddedNodes;
std::vector<CNode*> vNodes;
mutable CCriticalSection cs_vNodes;
std::atomic<NodeId> nLastNodeId;
};
extern std::unique_ptr<CConnman> g_connman;
void MapPort(bool fUseUPnP);
@ -300,9 +304,6 @@ extern int nMaxConnections;
extern limitedmap<uint256, int64_t> mapAlreadyAskedFor;
extern NodeId nLastNodeId;
extern CCriticalSection cs_nLastNodeId;
/** Subversion as sent to the P2P network in `version` messages */
extern std::string strSubVersion;
@ -501,7 +502,7 @@ public:
CAmount lastSentFeeFilter;
int64_t nextSendTimeFeeFilter;
CNode(SOCKET hSocketIn, const CAddress &addrIn, const std::string &addrNameIn = "", bool fInboundIn = false);
CNode(NodeId id, SOCKET hSocketIn, const CAddress &addrIn, const std::string &addrNameIn = "", bool fInboundIn = false);
~CNode();
private:

10
src/test/DoS_tests.cpp
View file

@ -40,13 +40,15 @@ CService ip(uint32_t i)
return CService(CNetAddr(s), Params().GetDefaultPort());
}
static NodeId id = 0;
BOOST_FIXTURE_TEST_SUITE(DoS_tests, TestingSetup)
BOOST_AUTO_TEST_CASE(DoS_banning)
{
connman->ClearBanned();
CAddress addr1(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode1(INVALID_SOCKET, addr1, "", true);
CNode dummyNode1(id++, INVALID_SOCKET, addr1, "", true);
GetNodeSignals().InitializeNode(dummyNode1.GetId(), &dummyNode1);
dummyNode1.nVersion = 1;
Misbehaving(dummyNode1.GetId(), 100); // Should get banned
@ -55,7 +57,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
BOOST_CHECK(!connman->IsBanned(ip(0xa0b0c001|0x0000ff00))); // Different IP, not banned
CAddress addr2(ip(0xa0b0c002), NODE_NONE);
CNode dummyNode2(INVALID_SOCKET, addr2, "", true);
CNode dummyNode2(id++, INVALID_SOCKET, addr2, "", true);
GetNodeSignals().InitializeNode(dummyNode2.GetId(), &dummyNode2);
dummyNode2.nVersion = 1;
Misbehaving(dummyNode2.GetId(), 50);
@ -72,7 +74,7 @@ BOOST_AUTO_TEST_CASE(DoS_banscore)
connman->ClearBanned();
mapArgs["-banscore"] = "111"; // because 11 is my favorite number
CAddress addr1(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode1(INVALID_SOCKET, addr1, "", true);
CNode dummyNode1(id++, INVALID_SOCKET, addr1, "", true);
GetNodeSignals().InitializeNode(dummyNode1.GetId(), &dummyNode1);
dummyNode1.nVersion = 1;
Misbehaving(dummyNode1.GetId(), 100);
@ -94,7 +96,7 @@ BOOST_AUTO_TEST_CASE(DoS_bantime)
SetMockTime(nStartTime); // Overrides future calls to GetTime()
CAddress addr(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode(INVALID_SOCKET, addr, "", true);
CNode dummyNode(id++, INVALID_SOCKET, addr, "", true);
GetNodeSignals().InitializeNode(dummyNode.GetId(), &dummyNode);
dummyNode.nVersion = 1;

5
src/test/net_tests.cpp
View file

@ -153,6 +153,7 @@ BOOST_AUTO_TEST_CASE(caddrdb_read_corrupted)
BOOST_AUTO_TEST_CASE(cnode_simple_test)
{
SOCKET hSocket = INVALID_SOCKET;
NodeId id = 0;
in_addr ipv4Addr;
ipv4Addr.s_addr = 0xa0b0c001;
@ -162,12 +163,12 @@ BOOST_AUTO_TEST_CASE(cnode_simple_test)
bool fInboundIn = false;
// Test that fFeeler is false by default.
CNode* pnode1 = new CNode(hSocket, addr, pszDest, fInboundIn);
CNode* pnode1 = new CNode(id++, hSocket, addr, pszDest, fInboundIn);
BOOST_CHECK(pnode1->fInbound == false);
BOOST_CHECK(pnode1->fFeeler == false);
fInboundIn = true;
CNode* pnode2 = new CNode(hSocket, addr, pszDest, fInboundIn);
CNode* pnode2 = new CNode(id++, hSocket, addr, pszDest, fInboundIn);
BOOST_CHECK(pnode2->fInbound == true);
BOOST_CHECK(pnode2->fFeeler == false);
}