// called when a GTID has finished being applied, which means
// we can remove it from the unappliedGTIDs set
void GTIDManager::noteGTIDApplied(const GTID& gtid) {
try {
boost::unique_lock<boost::mutex> lock(_lock);
dassert(GTID::cmp(gtid, _minUnappliedGTID) >= 0);
dassert(_unappliedGTIDs.size() > 0);
// remove from list of GTIDs
_unappliedGTIDs.erase(gtid);
// if what we are removing is currently the minumum live GTID
// we need to update the minimum live GTID
if (GTID::cmp(_minUnappliedGTID, gtid) == 0) {
if (_unappliedGTIDs.size() == 0) {
_minUnappliedGTID = _lastUnappliedGTID;
_minUnappliedGTID.inc();
}
else {
// get the minumum from _liveGTIDs and set it to _minLiveGTIDs
_minUnappliedGTID = *(_unappliedGTIDs.begin());
}
}
}
catch (std::exception &e) {
StackStringBuilder ssb;
ssb << "exception during noteGTIDApplied, aborting system: " << e.what();
rawOut(ssb.str());
::abort();
}
}
// called when a secondary takes an unapplied GTID it has read in the oplog
// and starts to apply it
void GTIDManager::noteApplyingGTID(const GTID& gtid) {
try {
boost::unique_lock<boost::mutex> lock(_lock);
dassert(GTID::cmp(gtid, _minUnappliedGTID) >= 0);
dassert(GTID::cmp(gtid, _lastUnappliedGTID) > 0);
if (_unappliedGTIDs.size() == 0) {
_minUnappliedGTID = gtid;
}
_unappliedGTIDs.insert(gtid);
_lastUnappliedGTID = gtid;
}
catch (std::exception &e) {
StackStringBuilder ssb;
ssb << "exception during noteApplyingGTID, aborting system: " << e.what();
rawOut(ssb.str());
::abort();
}
}
std::string KVPrefix::toString() const {
StackStringBuilder ss;
ss << "KVPrefix(" << _value << ")";
return ss.str();
}
