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Make 'getNodeFat' throw an exception if a node that's not in the map is requested.

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Log the context when this exception is thrown.
This commit is contained in:
JoelKatz
2012-12-24 19:08:57 -08:00
parent 7ffb9201c5
commit 2897bd00c2
2 changed files with 36 additions and 16 deletions
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48
src/cpp/ripple/Peer.cpp
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@@ -1428,24 +1428,44 @@ void Peer::recvGetLedger(ripple::TMGetLedger& packet)
}
std::vector<SHAMapNode> nodeIDs;
std::list< std::vector<unsigned char> > rawNodes;
if(map->getNodeFat(mn, nodeIDs, rawNodes, fatRoot, fatLeaves))
try
{
assert(nodeIDs.size() == rawNodes.size());
cLog(lsDEBUG) << "getNodeFat got " << rawNodes.size() << " nodes";
std::vector<SHAMapNode>::iterator nodeIDIterator;
std::list< std::vector<unsigned char> >::iterator rawNodeIterator;
for(nodeIDIterator = nodeIDs.begin(), rawNodeIterator = rawNodes.begin();
nodeIDIterator != nodeIDs.end(); ++nodeIDIterator, ++rawNodeIterator)
if(map->getNodeFat(mn, nodeIDs, rawNodes, fatRoot, fatLeaves))
{
Serializer nID(33);
nodeIDIterator->addIDRaw(nID);
ripple::TMLedgerNode* node = reply.add_nodes();
node->set_nodeid(nID.getDataPtr(), nID.getLength());
node->set_nodedata(&rawNodeIterator->front(), rawNodeIterator->size());
assert(nodeIDs.size() == rawNodes.size());
cLog(lsDEBUG) << "getNodeFat got " << rawNodes.size() << " nodes";
std::vector<SHAMapNode>::iterator nodeIDIterator;
std::list< std::vector<unsigned char> >::iterator rawNodeIterator;
for(nodeIDIterator = nodeIDs.begin(), rawNodeIterator = rawNodes.begin();
nodeIDIterator != nodeIDs.end(); ++nodeIDIterator, ++rawNodeIterator)
{
Serializer nID(33);
nodeIDIterator->addIDRaw(nID);
ripple::TMLedgerNode* node = reply.add_nodes();
node->set_nodeid(nID.getDataPtr(), nID.getLength());
node->set_nodedata(&rawNodeIterator->front(), rawNodeIterator->size());
}
}
else
cLog(lsWARNING) << "getNodeFat returns false";
}
catch (std::exception& e)
{
std::string info;
if (packet.itype() == ripple::liTS_CANDIDATE)
info = "TS candidate";
else if (packet.itype() == ripple::liBASE)
info = "Ledger base";
else if (packet.itype() == ripple::liTX_NODE)
info = "TX node";
else if (packet.itype() == ripple::liAS_NODE)
info = "AS node";
if (!packet.has_ledgerhash())
info += ", no hash specified";
cLog(lsWARNING) << "getNodeFat( " << mn <<") throws exception: " << info;
}
else
cLog(lsWARNING) << "getNodeFat returns false";
}
PackedMessage::pointer oPacket = boost::make_shared<PackedMessage>(reply, ripple::mtLEDGER_DATA);
sendPacket(oPacket);