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For now, detect clocks out of sync and disallow connection.

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Improve speed of ledger synchronization by compressing all three base queries into one.
This commit is contained in:
JoelKatz
2012-06-30 22:17:53 -07:00
parent 51100a3b30
commit c7eb0269c2
6 changed files with 100 additions and 20 deletions
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34
src/Peer.cpp
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@@ -571,7 +571,14 @@ void Peer::recvHello(newcoin::TMHello& packet)
// Cancel verification timeout.
(void) mVerifyTimer.cancel();
if (packet.protoversionmin() < MAKE_VERSION_INT(MIN_PROTO_MAJOR, MIN_PROTO_MINOR))
uint64 minTime = theApp->getOPs().getNetworkTimeNC() - 4;
uint64 maxTime = minTime + 8;
if (packet.has_nettime() && ((packet.nettime() < minTime) || (packet.nettime() > maxTime)))
{
Log(lsINFO) << "Recv(Hello): Disconnect: Clocks are too far off";
}
else if (packet.protoversionmin() < MAKE_VERSION_INT(MIN_PROTO_MAJOR, MIN_PROTO_MINOR))
{
Log(lsINFO) << "Recv(Hello): Server requires protocol version " <<
GET_VERSION_MAJOR(packet.protoversion()) << "." << GET_VERSION_MINOR(packet.protoversion())
@@ -987,6 +994,31 @@ void Peer::recvGetLedger(newcoin::TMGetLedger& packet)
Serializer nData(128);
ledger->addRaw(nData);
reply.add_nodes()->set_nodedata(nData.getDataPtr(), nData.getLength());
if (packet.nodeids().size() != 0)
{
Log(lsINFO) << "Ledger root w/map roots request";
SHAMap::pointer map = ledger->peekAccountStateMap();
if (map)
{
Serializer rootNode(768);
if (map->getRootNode(rootNode, STN_ARF_WIRE))
{
reply.add_nodes()->set_nodedata(rootNode.getDataPtr(), rootNode.getLength());
if (ledger->getTransHash().isNonZero())
{
map = ledger->peekTransactionMap();
if (map)
{
rootNode.resize(0);
if (map->getRootNode(rootNode, STN_ARF_WIRE))
reply.add_nodes()->set_nodedata(rootNode.getDataPtr(), rootNode.getLength());
}
}
}
}
}
PackedMessage::pointer oPacket = boost::make_shared<PackedMessage>(reply, newcoin::mtLEDGER_DATA);
sendPacket(oPacket);
return;