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net: Add missing locks in net.{cpp,h} #11744

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merged 2 commits into from Nov 30, 2017
Merged

net: Add missing locks in net.{cpp,h} #11744

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63f21d2
net: Add missing locks in net.{cpp,h}
practicalswift Nov 21, 2017
bfb0c0a
Add Clang thread safety analysis annotations
practicalswift Nov 23, 2017
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14 changes: 10 additions & 4 deletions src/net.cpp
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Expand Up @@ -2269,10 +2269,16 @@ bool CConnman::Start(CScheduler& scheduler, const Options& connOptions)
{
Init(connOptions);

nTotalBytesRecv = 0;
nTotalBytesSent = 0;
nMaxOutboundTotalBytesSentInCycle = 0;
nMaxOutboundCycleStartTime = 0;
{
LOCK(cs_totalBytesRecv);
nTotalBytesRecv = 0;
}
{
LOCK(cs_totalBytesSent);
nTotalBytesSent = 0;
nMaxOutboundTotalBytesSentInCycle = 0;
nMaxOutboundCycleStartTime = 0;
}

if (fListen && !InitBinds(connOptions.vBinds, connOptions.vWhiteBinds)) {
if (clientInterface) {
Expand Down
26 changes: 16 additions & 10 deletions src/net.h
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Expand Up @@ -158,10 +158,16 @@ class CConnman
m_msgproc = connOptions.m_msgproc;
nSendBufferMaxSize = connOptions.nSendBufferMaxSize;
nReceiveFloodSize = connOptions.nReceiveFloodSize;
nMaxOutboundTimeframe = connOptions.nMaxOutboundTimeframe;
nMaxOutboundLimit = connOptions.nMaxOutboundLimit;
{
LOCK(cs_totalBytesSent);
nMaxOutboundTimeframe = connOptions.nMaxOutboundTimeframe;
nMaxOutboundLimit = connOptions.nMaxOutboundLimit;
}
vWhitelistedRange = connOptions.vWhitelistedRange;
vAddedNodes = connOptions.m_added_nodes;
{
LOCK(cs_vAddedNodes);
vAddedNodes = connOptions.m_added_nodes;
}
}

CConnman(uint64_t seed0, uint64_t seed1);
Expand Down Expand Up @@ -364,14 +370,14 @@ class CConnman
// Network usage totals
CCriticalSection cs_totalBytesRecv;
CCriticalSection cs_totalBytesSent;
uint64_t nTotalBytesRecv;
uint64_t nTotalBytesSent;
uint64_t nTotalBytesRecv GUARDED_BY(cs_totalBytesRecv);
uint64_t nTotalBytesSent GUARDED_BY(cs_totalBytesSent);

// outbound limit & stats
uint64_t nMaxOutboundTotalBytesSentInCycle;
uint64_t nMaxOutboundCycleStartTime;
uint64_t nMaxOutboundLimit;
uint64_t nMaxOutboundTimeframe;
uint64_t nMaxOutboundTotalBytesSentInCycle GUARDED_BY(cs_totalBytesSent);
uint64_t nMaxOutboundCycleStartTime GUARDED_BY(cs_totalBytesSent);
uint64_t nMaxOutboundLimit GUARDED_BY(cs_totalBytesSent);
uint64_t nMaxOutboundTimeframe GUARDED_BY(cs_totalBytesSent);

// Whitelisted ranges. Any node connecting from these is automatically
// whitelisted (as well as those connecting to whitelisted binds).
Expand All @@ -389,7 +395,7 @@ class CConnman
CAddrMan addrman;
std::deque<std::string> vOneShots;
CCriticalSection cs_vOneShots;
std::vector<std::string> vAddedNodes;
std::vector<std::string> vAddedNodes GUARDED_BY(cs_vAddedNodes);
CCriticalSection cs_vAddedNodes;
std::vector<CNode*> vNodes;
std::list<CNode*> vNodesDisconnected;
Expand Down