// Checks that all config servers are online
bool _checkConfigServersAlive(const ConnectionString& configLoc, string* errMsg) {
scoped_ptr<ScopedDbConnection> connPtr;
bool resultOk;
BSONObj result;
try {
connPtr.reset(ScopedDbConnection::getInternalScopedDbConnection(configLoc, 30));
ScopedDbConnection& conn = *connPtr;
if (conn->type() == ConnectionString::SYNC) {
// TODO: Dynamic cast is bad, we need a better way of managing this op
// via the heirarchy (or not)
SyncClusterConnection* scc = dynamic_cast<SyncClusterConnection*>(conn.get());
fassert(16729, scc != NULL);
return scc->prepare(*errMsg);
}
else {
resultOk = conn->runCommand("admin", BSON( "fsync" << 1 ), result);
}
}
catch (const DBException& e) {
*errMsg = e.toString();
return false;
}
connPtr->done();
if (!resultOk) {
*errMsg = DBClientWithCommands::getLastErrorString(result);
return false;
}
return true;
}
