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Keep track of ledgers being written. Don't report them as complete to clients.

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This commit is contained in:
David Schwartz
2013-07-25 14:39:14 -07:00
committed by JoelKatz
parent 7581b4d24a
commit f5b14b4ef5
3 changed files with 57 additions and 1 deletions
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33
modules/ripple_app/ledger/LedgerMaster.cpp
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@@ -244,7 +244,7 @@ bool LedgerMaster::getValidatedRange (uint32& minVal, uint32& maxVal)
if (!mValidLedger)
return false;
maxVal = mValidLedger->getLedgerSeq ();
maxVal = mPubLedger->getLedgerSeq ();
if (maxVal == 0)
return false;
@@ -256,6 +256,37 @@ bool LedgerMaster::getValidatedRange (uint32& minVal, uint32& maxVal)
else
++minVal;
// Remove from the validated range any ledger sequences that may not be
// fully updated in the database yet
std::set<uint32> sPendingSaves = Ledger::getPendingSaves();
if (!sPendingSaves.empty() && ((minVal != 0) || (maxVal != 0)))
{
// Ensure we shrink the tips as much as possible
// If we have 7-9 and 8,9 are invalid, we don't want to see the 8 and shrink to just 9
// because then we'll have nothing when we could have 7.
while (sPendingSaves.count(maxVal) > 0)
--maxVal;
while (sPendingSaves.count(minVal) > 0)
++minVal;
// Best effort for remaining exclusions
BOOST_FOREACH(uint32 v, sPendingSaves)
{
if ((v >= minVal) && (v <= maxVal))
{
if (v > ((minVal + maxVal) / 2))
maxVal = v - 1;
else
minVal = v + 1;
}
}
if (minVal > maxVal)
minVal = maxVal = 0;
}
return true;
}