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Ledger sequencing logic.

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This commit is contained in:
JoelKatz
2012-05-08 03:45:34 -07:00
parent f9505e000d
commit f0480cb774
1 changed files with 30 additions and 10 deletions
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40
src/NetworkOPs.cpp
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@@ -22,7 +22,6 @@
NetworkOPs::NetworkOPs(boost::asio::io_service& io_service) : mMode(omDISCONNECTED), mNetTimer(io_service)
{
setStateTimer(5);
}
time_t NetworkOPs::getNetworkTimeTT()
@@ -156,9 +155,15 @@ AccountState::pointer NetworkOPs::getAccountState(const NewcoinAddress& accountI
return theApp->getMasterLedger().getCurrentLedger()->getAccountState(accountID);
}
void NetworkOPs::setStateTimer(int seconds)
void NetworkOPs::setStateTimer(int sec)
{
mNetTimer.expires_from_now(boost::posix_time::seconds(5));
uint64 closedTime = theApp->getMasterLedger().getCurrentLedger()->getCloseTimeNC();
uint64 now = getNetworkTimeNC();
if (now > closedTime) sec = 0;
if (sec > (closedTime - now)) sec = (closedTime - now);
mNetTimer.expires_from_now(boost::posix_time::seconds(sec));
mNetTimer.async_wait(boost::bind(&NetworkOPs::checkState, this));
}
@@ -213,6 +218,7 @@ void NetworkOPs::checkState()
uint256 peerLedger = (*it)->getClosedLedgerHash();
if (!!peerLedger)
{
// FIXME: If we have this ledger, don't count it if it's too far past its close time
ValidationCount& vc = ledgers[peerLedger];
if ((vc.nodesUsing == 0) || ((*it)->getNodePublic() > vc.highNode))
vc.highNode = (*it)->getNodePublic();
@@ -267,7 +273,7 @@ void NetworkOPs::checkState()
}
consensus = acq->getLedger();
}
switchLastClosedLedger(consensus);
switchLastClosedLedger(consensus, false);
}
if (mMode == omCONNECTED)
@@ -286,24 +292,38 @@ void NetworkOPs::checkState()
// check if the ledger is bad enough to go to omTRACKING
}
Ledger::pointer currentLedger = theApp->getMasterLedger().getCurrentLedger();
if (getNetworkTimeNC() > currentLedger->getCloseTimeNC())
{
currentLedger->setClosed();
switchLastClosedLedger(currentLedger, true);
}
setStateTimer(10);
}
void NetworkOPs::switchLastClosedLedger(Ledger::pointer newLedger)
void NetworkOPs::switchLastClosedLedger(Ledger::pointer newLedger, bool normal)
{ // set the newledger as our last closed ledger
// FIXME: Correct logic is:
// 1) Mark this ledger closed, schedule it to be saved
// 2) Open a new subsequent ledger
// 3) Walk back the previous ledger chain from our current ledger and the new last closed ledger
// 2) If normal, reprocess transactions
// 3) Open a new subsequent ledger
// 4) Walk back the previous ledger chain from our current ledger and the new last closed ledger
// find a common previous ledger, if possible. Try to insert any transactions in our ledger
// chain into the new open ledger. Broadcast any that make it in.
#ifdef DEBUG
std::cerr << "Switching last closed ledger to " << newLedger->getHash().GetHex() << std::endl;
#endif
newLedger->setClosed();
Ledger::pointer openLedger = boost::make_shared<Ledger>(newLedger);
theApp->getMasterLedger().switchLedgers(newLedger, openLedger);
#if 0
if (getNetworkTime() > openLedger->getCloseTime())
if (getNetworkTimeNC() > openLedger->getCloseTimeNC())
{ // this ledger has already closed
}
#endif
}
// FIXME: We have to tell peers when we change our active ledger