Ledger::pointer acquire (uint256 const& hash, std::uint32_t seq, InboundLedger::fcReason reason)
{
assert (hash.isNonZero ());
InboundLedger::pointer inbound;
{
ScopedLockType sl (mLock);
if (! isStopping ())
{
auto it = mLedgers.find (hash);
if (it != mLedgers.end ())
{
inbound = it->second;
// If the acquisition failed, don't mark the item as
// recently accessed so that it can expire.
if (! inbound->isFailed ())
inbound->update (seq);
}
else
{
inbound = std::make_shared <InboundLedger> (
hash, seq, reason, std::ref (m_clock));
mLedgers.emplace (hash, inbound);
inbound->init (sl);
++mCounter;
}
}
}
if (inbound && inbound->isComplete ())
return inbound->getLedger();
return {};
}
InboundLedger::pointer InboundLedgers::findCreate (uint256 const& hash, uint32 seq)
{
assert (hash.isNonZero ());
InboundLedger::pointer ret;
{
boost::mutex::scoped_lock sl (mLock);
boost::unordered_map<uint256, InboundLedger::pointer>::iterator it = mLedgers.find (hash);
if (it != mLedgers.end ())
{
ret = it->second;
// FIXME: Should set the sequence if it's not set
}
else
{
ret = boost::make_shared<InboundLedger> (hash, seq);
assert (ret);
mLedgers.insert (std::make_pair (hash, ret));
if (!ret->tryLocal())
{
ret->addPeers ();
ret->setTimer (); // Cannot call in constructor
}
else if (!ret->isFailed ())
{
WriteLog (lsDEBUG, InboundLedger) << "Acquiring ledger we already have locally: " << hash;
Ledger::pointer ledger = ret->getLedger ();
ledger->setClosed ();
ledger->setImmutable ();
getApp().getLedgerMaster ().storeLedger (ledger);
}
}
}
return ret;
}