ARCHIVE/xahaud
3
0
Fork 0
mirror of https://github.com/Xahau/xahaud.git synced 2025-12-06 17:27:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

Efficiently save validations.

Browse Source
This commit is contained in:
JoelKatz
2012-07-17 03:10:05 -07:00
parent e89af2f784
commit d83d8080fd
6 changed files with 99 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
src/ValidationCollection.cpp
View File

@@ -30,7 +30,11 @@ bool ValidationCollection::addValidation(SerializedValidation::pointer val)
{
boost::unordered_map<uint160, SerializedValidation::pointer>::iterator it = mCurrentValidations.find(node);
if ((it == mCurrentValidations.end()) || (val->getCloseTime() >= it->second->getCloseTime()))
{
mStaleValidations.push_back(it->second);
mCurrentValidations[node] = val;
condWrite();
}
}
}
@@ -112,17 +116,85 @@ boost::unordered_map<uint256, int> ValidationCollection::getCurrentValidations()
{
boost::mutex::scoped_lock sl(mValidationLock);
boost::unordered_map<uint160, SerializedValidation::pointer>::iterator it = mCurrentValidations.begin();
bool anyNew = false;
while (it != mCurrentValidations.end())
{
if (now > (it->second->getCloseTime() + LEDGER_MAX_INTERVAL))
{
mStaleValidations.push_back(it->second);
it = mCurrentValidations.erase(it);
anyNew = true;
}
else
{
++ret[it->second->getLedgerHash()];
++it;
}
}
if (anyNew)
condWrite();
}
return ret;
}
void ValidationCollection::flush()
{
boost::mutex::scoped_lock sl(mValidationLock);
boost::unordered_map<uint160, SerializedValidation::pointer>::iterator it = mCurrentValidations.begin();
bool anyNew = false;
while (it != mCurrentValidations.end())
{
mStaleValidations.push_back(it->second);
++it;
anyNew = true;
}
mCurrentValidations.clear();
if (anyNew)
condWrite();
while (mWriting)
{
sl.unlock();
boost::this_thread::sleep(boost::posix_time::milliseconds(100));
sl.lock();
}
}
void ValidationCollection::condWrite()
{
if (mWriting)
return;
mWriting = true;
boost::thread(boost::bind(&ValidationCollection::doWrite, this));
thread.detach();
}
void ValidationCollection::doWrite()
{
static boost::format insVal("INSERT INTO LedgerValidations "
"(LedgerHash,NodePubKey,Flags,CloseTime,Signature) VALUES "
"('%s','%s','%u','%u',%s);");
boost::mutex::scoped_lock sl(mValidationLock);
assert(mWriting);
while (!mStaleValidations.empty())
{
std::vector<SerializedValidation::pointer> vector;
mStaleValidations.swap(vector);
sl.unlock();
{
ScopedLock dbl(theApp->getLedgerDB()->getDBLock());
Database *db = theApp->getLedgerDB()->getDB();
db->executeSQL("BEGIN TRANSACTION;");
for (std::vector<SerializedValidation::pointer>::iterator it = vector.begin(); it != vector.end(); ++it)
db->executeSQL(boost::str(insVal % (*it)->getLedgerHash().GetHex()
% (*it)->getSignerPublic().humanNodePublic() % (*it)->getFlags() % (*it)->getCloseTime()
% db->escape(strCopy((*it)->getSignature()))));
db->executeSQL("END TRANSACTION;");
}
sl.lock();
}
mWriting = false;
}