Add a filter field in CNode, add filterload+filteradd+filterclear

This commit is contained in:
Matt Corallo 2012-08-13 05:26:29 +02:00
parent 133a546074
commit 422d122537
2 changed files with 51 additions and 0 deletions

View file

@ -3332,6 +3332,51 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
}
else if (strCommand == "filterload")
{
CBloomFilter filter;
vRecv >> filter;
if (!filter.IsWithinSizeConstraints())
// There is no excuse for sending a too-large filter
pfrom->Misbehaving(100);
else
{
LOCK(pfrom->cs_filter);
delete pfrom->pfilter;
pfrom->pfilter = new CBloomFilter(filter);
}
}
else if (strCommand == "filteradd")
{
vector<unsigned char> vData;
vRecv >> vData;
// Nodes must NEVER send a data item > 520 bytes (the max size for a script data object,
// and thus, the maximum size any matched object can have) in a filteradd message
if (vData.size() > 520)
{
pfrom->Misbehaving(100);
} else {
LOCK(pfrom->cs_filter);
if (pfrom->pfilter)
pfrom->pfilter->insert(vData);
else
pfrom->Misbehaving(100);
}
}
else if (strCommand == "filterclear")
{
LOCK(pfrom->cs_filter);
delete pfrom->pfilter;
pfrom->pfilter = NULL;
}
else
{
// Ignore unknown commands for extensibility

View file

@ -19,6 +19,7 @@
#include "protocol.h"
#include "addrman.h"
#include "hash.h"
#include "bloom.h"
class CNode;
class CBlockIndex;
@ -152,6 +153,8 @@ public:
bool fSuccessfullyConnected;
bool fDisconnect;
CSemaphoreGrant grantOutbound;
CCriticalSection cs_filter;
CBloomFilter* pfilter;
protected:
int nRefCount;
@ -209,6 +212,7 @@ public:
fGetAddr = false;
nMisbehavior = 0;
setInventoryKnown.max_size(SendBufferSize() / 1000);
pfilter = NULL;
// Be shy and don't send version until we hear
if (!fInbound)
@ -222,6 +226,8 @@ public:
closesocket(hSocket);
hSocket = INVALID_SOCKET;
}
if (pfilter)
delete pfilter;
}
private: