bool isMMAPV1() {
if (hasGlobalEnvironment()) {
StorageEngine* globalStorageEngine = getGlobalEnvironment()->getGlobalStorageEngine();
if (globalStorageEngine != NULL) {
return globalStorageEngine->isMmapV1();
}
}
// For the purpose of unit-tests, which were written to assume MMAP V1-like behaviour
return true;
}
OperationContextImpl::OperationContextImpl() : _client(currentClient.get()) {
invariant(_client);
StorageEngine* storageEngine = getGlobalEnvironment()->getGlobalStorageEngine();
invariant(storageEngine);
_recovery.reset(storageEngine->newRecoveryUnit(this));
if (storageEngine->isMmapV1()) {
_locker.reset(new MMAPV1LockerImpl(idCounter.addAndFetch(1)));
}
else {
_locker.reset(new LockerImpl<false>(idCounter.addAndFetch(1)));
}
_client->setOperationContext(this);
}
Status ReplicationCoordinatorExternalStateImpl::runRepairOnLocalDB(OperationContext* opCtx) {
try {
Lock::GlobalWrite globalWrite(opCtx);
StorageEngine* engine = getGlobalServiceContext()->getGlobalStorageEngine();
if (!engine->isMmapV1()) {
return Status::OK();
}
UnreplicatedWritesBlock uwb(opCtx);
Status status = repairDatabase(opCtx, engine, localDbName, false, false);
// Open database before returning
dbHolder().openDb(opCtx, localDbName);
} catch (const DBException& ex) {
return ex.toStatus();
}
return Status::OK();
}
bool isMMAPV1() {
StorageEngine* globalStorageEngine = getGlobalServiceContext()->getGlobalStorageEngine();
invariant(globalStorageEngine);
return globalStorageEngine->isMmapV1();
}