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Move [clean|str]SubVer writes/copyStats into a lock

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This commit is contained in:
Matt Corallo 2017-02-06 12:08:31 -05:00
parent 0f31872615
commit 22b4966a29
3 changed files with 13 additions and 4 deletions
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5
src/net.cpp
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@ -610,7 +610,10 @@ void CNode::copyStats(CNodeStats &stats)
X(nTimeOffset);
X(addrName);
X(nVersion);
X(cleanSubVer);
{
LOCK(cs_SubVer);
X(cleanSubVer);
}
X(fInbound);
X(fAddnode);
X(nStartingHeight);

1
src/net.h
View file

@ -598,6 +598,7 @@ public:
// store the sanitized version in cleanSubVer. The original should be used when dealing with
// the network or wire types and the cleaned string used when displayed or logged.
std::string strSubVer, cleanSubVer;
CCriticalSection cs_SubVer; // used for both cleanSubVer and strSubVer
bool fWhitelisted; // This peer can bypass DoS banning.
bool fFeeler; // If true this node is being used as a short lived feeler.
bool fOneShot;

11
src/net_processing.cpp
View file

@ -1211,6 +1211,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
int nVersion;
int nSendVersion;
std::string strSubVer;
std::string cleanSubVer;
int nStartingHeight = -1;
bool fRelay = true;
@ -1246,6 +1247,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
vRecv >> addrFrom >> nNonce;
if (!vRecv.empty()) {
vRecv >> LIMITED_STRING(strSubVer, MAX_SUBVERSION_LENGTH);
cleanSubVer = SanitizeString(strSubVer);
}
if (!vRecv.empty()) {
vRecv >> nStartingHeight;
@ -1273,8 +1275,11 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
pfrom->nServices = nServices;
pfrom->addrLocal = addrMe;
pfrom->strSubVer = strSubVer;
pfrom->cleanSubVer = SanitizeString(strSubVer);
{
LOCK(pfrom->cs_SubVer);
pfrom->strSubVer = strSubVer;
pfrom->cleanSubVer = cleanSubVer;
}
pfrom->nStartingHeight = nStartingHeight;
pfrom->fClient = !(nServices & NODE_NETWORK);
{
@ -1330,7 +1335,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
remoteAddr = ", peeraddr=" + pfrom->addr.ToString();
LogPrintf("receive version message: %s: version %d, blocks=%d, us=%s, peer=%d%s\n",
pfrom->cleanSubVer, pfrom->nVersion,
cleanSubVer, pfrom->nVersion,
pfrom->nStartingHeight, addrMe.ToString(), pfrom->id,
remoteAddr);