void MongoDSessionCatalog::invalidateSessions(OperationContext* opCtx,
boost::optional<BSONObj> singleSessionDoc) {
const auto replCoord = repl::ReplicationCoordinator::get(opCtx);
bool isReplSet = replCoord->getReplicationMode() == repl::ReplicationCoordinator::modeReplSet;
if (isReplSet) {
uassert(40528,
str::stream() << "Direct writes against "
<< NamespaceString::kSessionTransactionsTableNamespace.ns()
<< " cannot be performed using a transaction or on a session.",
!opCtx->getLogicalSessionId());
}
const auto catalog = SessionCatalog::get(opCtx);
// The use of shared_ptr here is in order to work around the limitation of stdx::function that
// the functor must be copyable.
auto sessionKillTokens = std::make_shared<std::vector<SessionCatalog::KillToken>>();
if (singleSessionDoc) {
sessionKillTokens->emplace_back(catalog->killSession(LogicalSessionId::parse(
IDLParserErrorContext("lsid"), singleSessionDoc->getField("_id").Obj())));
} else {
SessionKiller::Matcher matcher(
KillAllSessionsByPatternSet{makeKillAllSessionsByPattern(opCtx)});
catalog->scanSessions(matcher, [&sessionKillTokens](const ObservableSession& session) {
sessionKillTokens->emplace_back(session.kill());
});
}
killSessionTokensFunction(opCtx, sessionKillTokens);
}
/*!
\fn AppContext::cleanSessions()
*/
void AppContext::cleanSessions()
{
sptk::CGuard guard(m_sessionLock);
sessionlist_t::iterator cur=m_sessions.begin();
while(cur!=m_sessions.end()){
if(!cur->second->validP()){
std::string sid = cur->first;
cur++;
killSession(sid);
} else {
cur++;
}
}
}
