OplogFetcher::OplogFetcher(executor::TaskExecutor* executor,
OpTime lastFetched,
HostAndPort source,
NamespaceString nss,
ReplSetConfig config,
std::size_t maxFetcherRestarts,
int requiredRBID,
bool requireFresherSyncSource,
DataReplicatorExternalState* dataReplicatorExternalState,
EnqueueDocumentsFn enqueueDocumentsFn,
OnShutdownCallbackFn onShutdownCallbackFn,
const int batchSize,
StartingPoint startingPoint)
: AbstractOplogFetcher(executor,
lastFetched,
source,
nss,
maxFetcherRestarts,
onShutdownCallbackFn,
"oplog fetcher"),
_metadataObject(makeMetadataObject()),
_requiredRBID(requiredRBID),
_requireFresherSyncSource(requireFresherSyncSource),
_dataReplicatorExternalState(dataReplicatorExternalState),
_enqueueDocumentsFn(enqueueDocumentsFn),
_awaitDataTimeout(calculateAwaitDataTimeout(config)),
_batchSize(batchSize),
_startingPoint(startingPoint) {
invariant(config.isInitialized());
invariant(enqueueDocumentsFn);
}
OplogFetcher::OplogFetcher(executor::TaskExecutor* exec,
OpTimeWithHash lastFetched,
HostAndPort source,
NamespaceString oplogNSS,
ReplicaSetConfig config,
DataReplicatorExternalState* dataReplicatorExternalState,
EnqueueDocumentsFn enqueueDocumentsFn,
OnShutdownCallbackFn onShutdownCallbackFn)
: _dataReplicatorExternalState(dataReplicatorExternalState),
_fetcher(exec,
source,
oplogNSS.db().toString(),
makeFindCommandObject(dataReplicatorExternalState, oplogNSS, lastFetched.opTime),
stdx::bind(
&OplogFetcher::_callback, this, stdx::placeholders::_1, stdx::placeholders::_3),
uassertStatusOK(makeMetadataObject(config.getProtocolVersion() == 1LL)),
config.getElectionTimeoutPeriod()),
_enqueueDocumentsFn(enqueueDocumentsFn),
_awaitDataTimeout(calculateAwaitDataTimeout(config)),
_onShutdownCallbackFn(onShutdownCallbackFn),
_lastFetched(lastFetched) {
uassert(ErrorCodes::BadValue, "null last optime fetched", !lastFetched.opTime.isNull());
uassert(ErrorCodes::InvalidReplicaSetConfig,
"uninitialized replica set configuration",
config.isInitialized());
uassert(ErrorCodes::BadValue, "null enqueueDocuments function", enqueueDocumentsFn);
uassert(ErrorCodes::BadValue, "null onShutdownCallback function", onShutdownCallbackFn);
}
