Fix a bug that could cause duplicate IP address assignment on networks if many new members join the controller at once.
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2 changed files with 8 additions and 1 deletions
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@ -121,7 +121,6 @@ private:
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Mutex _threads_m;
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// Gathers a bunch of statistics about members of a network, IP assignments, etc. that we need in various places
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// This does lock _networkMemberCache_m
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struct _NetworkMemberInfo
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{
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_NetworkMemberInfo() : authorizedMemberCount(0),activeMemberCount(0),totalMemberCount(0),mostRecentDeauthTime(0) {}
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@ -136,6 +135,11 @@ private:
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std::map<uint64_t,_NetworkMemberInfo> _nmiCache;
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Mutex _nmiCache_m;
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void _getNetworkMemberInfo(uint64_t now,uint64_t nwid,_NetworkMemberInfo &nmi);
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inline void _clearNetworkMemberInfoCache(const uint64_t nwid)
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{
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Mutex::Lock _l(_nmiCache_m);
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_nmiCache.erase(nwid);
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}
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void _pushMemberUpdate(uint64_t now,uint64_t nwid,const nlohmann::json &member);
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