// This free function is used by the writer threads to apply each op
void multiSyncApply(const std::vector<BSONObj>& ops, SyncTail* st) {
initializeWriterThread();
OperationContextImpl txn;
txn.setReplicatedWrites(false);
DisableDocumentValidation validationDisabler(&txn);
// allow us to get through the magic barrier
txn.lockState()->setIsBatchWriter(true);
bool convertUpdatesToUpserts = true;
for (std::vector<BSONObj>::const_iterator it = ops.begin(); it != ops.end(); ++it) {
try {
const Status s = SyncTail::syncApply(&txn, *it, convertUpdatesToUpserts);
if (!s.isOK()) {
severe() << "Error applying operation (" << it->toString() << "): " << s;
fassertFailedNoTrace(16359);
}
} catch (const DBException& e) {
severe() << "writer worker caught exception: " << causedBy(e)
<< " on: " << it->toString();
if (inShutdown()) {
return;
}
fassertFailedNoTrace(16360);
}
}
}
static void logStartup() {
BSONObjBuilder toLog;
stringstream id;
id << getHostNameCached() << "-" << jsTime().asInt64();
toLog.append("_id", id.str());
toLog.append("hostname", getHostNameCached());
toLog.appendTimeT("startTime", time(0));
toLog.append("startTimeLocal", dateToCtimeString(Date_t::now()));
toLog.append("cmdLine", serverGlobalParams.parsedOpts);
toLog.append("pid", ProcessId::getCurrent().asLongLong());
BSONObjBuilder buildinfo(toLog.subobjStart("buildinfo"));
appendBuildInfo(buildinfo);
appendStorageEngineList(&buildinfo);
buildinfo.doneFast();
BSONObj o = toLog.obj();
OperationContextImpl txn;
ScopedTransaction transaction(&txn, MODE_X);
Lock::GlobalWrite lk(txn.lockState());
AutoGetOrCreateDb autoDb(&txn, "local", mongo::MODE_X);
Database* db = autoDb.getDb();
const std::string ns = "local.startup_log";
Collection* collection = db->getCollection(ns);
WriteUnitOfWork wunit(&txn);
if (!collection) {
BSONObj options = BSON("capped" << true << "size" << 10 * 1024 * 1024);
bool shouldReplicateWrites = txn.writesAreReplicated();
txn.setReplicatedWrites(false);
ON_BLOCK_EXIT(&OperationContext::setReplicatedWrites, &txn, shouldReplicateWrites);
uassertStatusOK(userCreateNS(&txn, db, ns, options));
collection = db->getCollection(ns);
}
invariant(collection);
uassertStatusOK(collection->insertDocument(&txn, o, false).getStatus());
wunit.commit();
}
// This free function is used by the initial sync writer threads to apply each op
void multiInitialSyncApply(const std::vector<BSONObj>& ops, SyncTail* st) {
initializeWriterThread();
OperationContextImpl txn;
txn.setReplicatedWrites(false);
DisableDocumentValidation validationDisabler(&txn);
// allow us to get through the magic barrier
txn.lockState()->setIsBatchWriter(true);
bool convertUpdatesToUpserts = false;
for (std::vector<BSONObj>::const_iterator it = ops.begin(); it != ops.end(); ++it) {
try {
const Status s = SyncTail::syncApply(&txn, *it, convertUpdatesToUpserts);
if (!s.isOK()) {
if (st->shouldRetry(&txn, *it)) {
const Status s2 = SyncTail::syncApply(&txn, *it, convertUpdatesToUpserts);
if (!s2.isOK()) {
severe() << "Error applying operation (" << it->toString() << "): " << s2;
fassertFailedNoTrace(15915);
}
}
// If shouldRetry() returns false, fall through.
// This can happen if the document that was moved and missed by Cloner
// subsequently got deleted and no longer exists on the Sync Target at all
}
} catch (const DBException& e) {
severe() << "writer worker caught exception: " << causedBy(e)
<< " on: " << it->toString();
if (inShutdown()) {
return;
}
fassertFailedNoTrace(16361);
}
}
}
