int StaticFileCacheData::readyGziped()
{
time_t tm = time( NULL );
if ( tm == getLastMod() )
return -1;
if ( tm != m_tmLastCheckGzip )
{
struct stat st;
m_tmLastCheckGzip = tm;
if ( !m_gzippedPath.c_str() || !*m_gzippedPath.c_str() )
{
if ( buildGzipPath() == -1 )
return -1;
}
int ret = nio_stat( m_gzippedPath.c_str(), &st );
if (( ret == -1 )||( st.st_mtime != getLastMod() ))
{
if (( !m_pGziped )||( m_pGziped->getRef() == 0 ))
{
if ( ret != -1 )
unlink( m_gzippedPath.c_str() );
ret = tryCreateGziped();
if ( ret == -1 )
{
if ( m_pGziped )
{
delete m_pGziped;
m_pGziped = NULL;
}
return -1;
}
else
{
ret = nio_stat( m_gzippedPath.c_str(), &st );
if ( ret )
return -1;
}
}
else
return -1;
}
if (( !m_pGziped )||( m_pGziped->isDirty( st ) ))
buildGzipCache( st );
}
if ( m_pGziped )
{
if (( m_pGziped->isCached() ||
( m_pGziped->getfd() != -1 )))
return 0;
return m_pGziped->readyData( m_gzippedPath.c_str() );
}
return -1;
}
void forceDatabaseRefresh(OperationContext* opCtx, const StringData dbName) {
invariant(!opCtx->lockState()->isLocked());
invariant(!opCtx->getClient()->isInDirectClient());
auto const shardingState = ShardingState::get(opCtx);
invariant(shardingState->canAcceptShardedCommands());
const auto refreshedDbVersion =
uassertStatusOK(Grid::get(opCtx)->catalogCache()->getDatabaseWithRefresh(opCtx, dbName))
.databaseVersion();
// First, check under a shared lock if another thread already updated the cached version.
// This is a best-effort optimization to make as few threads as possible to convoy on the
// exclusive lock below.
auto databaseHolder = DatabaseHolder::get(opCtx);
{
// Take the DBLock directly rather than using AutoGetDb, to prevent a recursive call
// into checkDbVersion().
Lock::DBLock dbLock(opCtx, dbName, MODE_IS);
auto db = databaseHolder->getDb(opCtx, dbName);
if (!db) {
log() << "Database " << dbName
<< " has been dropped; not caching the refreshed databaseVersion";
return;
}
auto& dss = DatabaseShardingState::get(db);
auto dssLock = DatabaseShardingState::DSSLock::lock(opCtx, &dss);
const auto cachedDbVersion = dss.getDbVersion(opCtx, dssLock);
if (cachedDbVersion && cachedDbVersion->getUuid() == refreshedDbVersion.getUuid() &&
cachedDbVersion->getLastMod() >= refreshedDbVersion.getLastMod()) {
LOG(2) << "Skipping setting cached databaseVersion for " << dbName
<< " to refreshed version " << refreshedDbVersion.toBSON()
<< " because current cached databaseVersion is already "
<< cachedDbVersion->toBSON();
return;
}
}
// The cached version is older than the refreshed version; update the cached version.
Lock::DBLock dbLock(opCtx, dbName, MODE_X);
auto db = databaseHolder->getDb(opCtx, dbName);
if (!db) {
log() << "Database " << dbName
<< " has been dropped; not caching the refreshed databaseVersion";
return;
}
auto& dss = DatabaseShardingState::get(db);
auto dssLock = DatabaseShardingState::DSSLock::lockExclusive(opCtx, &dss);
dss.setDbVersion(opCtx, std::move(refreshedDbVersion), dssLock);
}
ArrayElement* ToDo::clone() {
ToDo* ret = new ToDo();
if (getClass()) ret->setClass(*classEvent);
if (getCompleted()) ret->setCompleted(*completed);
if (getCreated()) ret->setCreated(*created);
if (getDescription()) ret->setDescription(*description);
if (getDtStamp()) ret->setDtStamp(*dtStamp);
if (getDtStart()) ret->setDtStart(*dtStart);
if (getGeo()) ret->setGeo(*geo);
if (getLastMod()) ret->setLastMod(*lastMod);
if (getLocation()) ret->setLocation(*location);
if (getOrganizer()) ret->setOrganizer(*organizer);
if (getPercent()) ret->setPercent(*percent);
if (getPriority()) ret->setPriority(*priority);
if (getRecurID()) ret->setRecurID(*recurID);
if (getSequence()) ret->setSequence(*seq);
if (getStatus()) ret->setStatus(*status);
if (getSummary()) ret->setSummary(*summary);
if (getUid()) ret->setUid(*uid);
if (getUrl()) ret->setUrl(*url);
if (getDue()) ret->setDue(*due);
if (getDuration()) ret->setDuration(*duration);
if (getAttach()) ret->setAttach(*attach);
if (getAttendee()) ret->setAttendee(*attendee);
if (getCategories()) ret->setCategories(*categories);
if (getComment()) ret->setComment(*comment);
if (getContact()) ret->setContact(*contact);
if (getExDate()) ret->setExDate(*exDate);
if (getExRule()) ret->setExRule(*exRule);
if (getRStatus()) ret->setRStatus(*rStatus);
if (getRelated()) ret->setRelated(*related);
if (getResources()) ret->setResources(*resources);
if (getRDate()) ret->setRDate(*rDate);
if (getRRule()) ret->setRRule(*rRule);
if (getXProp()) ret->setXProp(*xProp);
return ret;
}
