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Limit CNode::mapAskFor

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Tighten resource constraints on CNode.

Rebased-From: d4168c82bef0d86fd254a9d993906a09f5fd7fc0 for 0.8
This commit is contained in:
Wladimir J. van der Laan 2014-09-10 04:59:31 -10:00 committed by Warren Togami
parent 826cd8b909
commit 4f7e47a64e
2 changed files with 7 additions and 2 deletions
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2
src/main.h
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@ -39,8 +39,6 @@ static const unsigned int MAX_STANDARD_TX_SIZE = 100000;
static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
/** The maximum number of orphan transactions kept in memory */
static const unsigned int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100;
/** The maximum number of entries in an 'inv' protocol message */
static const unsigned int MAX_INV_SZ = 50000;
/** The maximum size of a blk?????.dat file (since 0.8) */
static const unsigned int MAX_BLOCKFILE_SIZE = 0x8000000; // 128 MiB
/** The pre-allocation chunk size for blk?????.dat files (since 0.8) */

7
src/net.h
View File

@ -27,6 +27,10 @@ class CBlockIndex;
extern int nBestHeight;
/** 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); }
@ -357,6 +361,9 @@ 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 nRequestTime;