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);
}
StatusWith<int> validateConfigForStartUp(ReplicationCoordinatorExternalState* externalState,
const ReplicaSetConfig& oldConfig,
const ReplicaSetConfig& newConfig) {
Status status = newConfig.validate();
if (!status.isOK()) {
return StatusWith<int>(status);
}
if (oldConfig.isInitialized()) {
status = validateOldAndNewConfigsCompatible(oldConfig, newConfig);
if (!status.isOK()) {
return StatusWith<int>(status);
}
}
return findSelfInConfig(externalState, newConfig);
}
