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Merge code to advertise and generate fetch packs.

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This commit is contained in:
JoelKatz
2013-04-22 14:18:45 -07:00
parent a6ce832ed3
commit 455595891b
9 changed files with 252 additions and 20 deletions
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66
src/cpp/ripple/NetworkOPs.cpp
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@@ -6,6 +6,7 @@
#include "utils.h"
#include "Application.h"
#include "Transaction.h"
#include "HashPrefixes.h"
#include "LedgerConsensus.h"
#include "LedgerTiming.h"
#include "Log.h"
@@ -2003,4 +2004,69 @@ void NetworkOPs::getBookPage(Ledger::pointer lpLedger, const uint160& uTakerPays
// jvResult["nodes"] = Json::Value(Json::arrayValue);
}
void NetworkOPs::makeFetchPack(Job&, boost::weak_ptr<Peer> wPeer, boost::shared_ptr<ripple::TMGetObjectByHash> request,
Ledger::pointer wantLedger, Ledger::pointer haveLedger)
{
try
{
Peer::pointer peer = wPeer.lock();
if (!peer)
return;
ripple::TMGetObjectByHash reply;
reply.set_query(false);
if (request->has_seq())
reply.set_seq(request->seq());
reply.set_ledgerhash(reply.ledgerhash());
reply.set_type(ripple::TMGetObjectByHash::otFETCH_PACK);
do
{
uint32 lSeq = wantLedger->getLedgerSeq();
ripple::TMIndexedObject& newObj = *reply.add_objects();
newObj.set_hash(wantLedger->getHash().begin(), 256 / 8);
Serializer s(256);
s.add32(sHP_Ledger);
wantLedger->addRaw(s);
newObj.set_data(s.getDataPtr(), s.getLength());
newObj.set_ledgerseq(lSeq);
std::list<SHAMap::fetchPackEntry_t> pack = wantLedger->peekAccountStateMap()->getFetchPack(
haveLedger->peekAccountStateMap().get(), false, 1024 - reply.objects().size());
BOOST_FOREACH(SHAMap::fetchPackEntry_t& node, pack)
{
ripple::TMIndexedObject& newObj = *reply.add_objects();
newObj.set_hash(node.first.begin(), 256 / 8);
newObj.set_data(&node.second[0], node.second.size());
newObj.set_ledgerseq(lSeq);
}
if (wantLedger->getAccountHash().isNonZero() && (pack.size() < 768))
{
pack = wantLedger->peekTransactionMap()->getFetchPack(NULL, true, 256);
BOOST_FOREACH(SHAMap::fetchPackEntry_t& node, pack)
{
ripple::TMIndexedObject& newObj = *reply.add_objects();
newObj.set_hash(node.first.begin(), 256 / 8);
newObj.set_data(&node.second[0], node.second.size());
newObj.set_ledgerseq(lSeq);
}
}
if (reply.objects().size() >= 768)
break;
haveLedger = wantLedger;
wantLedger = getLedgerByHash(haveLedger->getParentHash());
} while (wantLedger);
cLog(lsINFO) << "Built fetch pack with " << reply.objects().size() << " nodes";
PackedMessage::pointer msg = boost::make_shared<PackedMessage>(reply, ripple::mtGET_OBJECTS);
peer->sendPacket(msg, false);
}
catch (...)
{
cLog(lsWARNING) << "Exception building fetch pach";
}
}
// vim:ts=4