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Limit the number of new addressses to accumulate 

Rebased-From: 12a49cac0a
This commit is contained in:
Pieter Wuille 2014-11-21 12:22:11 +01:00 committed by Wladimir J. van der Laan
parent cd5164aba2
commit bb424e4447
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GPG Key ID: 74810B012346C9A6
1 changed files with 9 additions and 2 deletions
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11
src/net.h
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@ -40,6 +40,8 @@ namespace boost {
static const unsigned int MAX_INV_SZ = 50000; static const unsigned int MAX_INV_SZ = 50000;
/** The maximum number of entries in mapAskFor */ /** The maximum number of entries in mapAskFor */
static const size_t MAPASKFOR_MAX_SZ = MAX_INV_SZ; static const size_t MAPASKFOR_MAX_SZ = MAX_INV_SZ;
/** The maximum number of new addresses to accumulate before announcing. */
static const unsigned int MAX_ADDR_TO_SEND = 1000;
inline unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); } inline unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); }
inline unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 1*1000); } inline unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 1*1000); }
@ -400,8 +402,13 @@ public:
// Known checking here is only to save space from duplicates. // Known checking here is only to save space from duplicates.
// SendMessages will filter it again for knowns that were added // SendMessages will filter it again for knowns that were added
// after addresses were pushed. // after addresses were pushed.
if (addr.IsValid() && !setAddrKnown.count(addr)) if (addr.IsValid() && !setAddrKnown.count(addr)) {
vAddrToSend.push_back(addr); if (vAddrToSend.size() >= MAX_ADDR_TO_SEND) {
vAddrToSend[insecure_rand() % vAddrToSend.size()] = addr;
} else {
vAddrToSend.push_back(addr);
}
}
} }