From 551e0887db9034b1e6490a267ba864b1d26ff469 Mon Sep 17 00:00:00 2001
From: Cory Fields <cory-nospam-@coryfields.com>
Date: Sun, 17 Apr 2016 20:20:34 -0400
Subject: net: move nLastNodeId to CConnman

---
 src/net.cpp | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

(limited to 'src/net.cpp')

diff --git a/src/net.cpp b/src/net.cpp
index eb312ef1e4..8bc8ecc436 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -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;
 }
 
-bool CConnman::Start(boost::thread_group& threadGroup, CScheduler& scheduler, std::string& strNodeError)
+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
-- 
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