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

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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
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45
src/main.cpp
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@@ -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