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Limit CNode::mapAskFor

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Tighten resource constraints on CNode.

Rebased-From: d4168c8
Rebased-By: Wladimir J. van der Laan <laanwj@gmail.com>
This commit is contained in:
Wladimir J. van der Laan 2014-09-10 16:59:31 +02:00
parent 12927dd315
commit d030936da2
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1 changed files with 5 additions and 0 deletions
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5
src/net.h
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@ -38,6 +38,8 @@ namespace boost {
/** The maximum number of entries in an 'inv' protocol message */
static const unsigned int MAX_INV_SZ = 50000;
/** The maximum number of entries in mapAskFor */
static const size_t MAPASKFOR_MAX_SZ = MAX_INV_SZ;
inline unsigned int ReceiveFloodSize() { return 1000*GetArg("-maxreceivebuffer", 5*1000); }
inline unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 1*1000); }
@ -422,6 +424,9 @@ public:
void AskFor(const CInv& inv)
{
if (mapAskFor.size() > MAPASKFOR_MAX_SZ)
return;
// We're using mapAskFor as a priority queue,
// the key is the earliest time the request can be sent
int64_t nRequestTime;