func (client *GoRpcTabletManagerConn) rpcCallTablet(tablet *topo.TabletInfo, name string, args, reply interface{}, waitTime time.Duration) error {
// create the RPC client, using waitTime as the connect
// timeout, and starting the overall timeout as well
timer := time.After(waitTime)
rpcClient, err := bsonrpc.DialHTTP("tcp", tablet.GetAddr(), waitTime, nil)
if err != nil {
return fmt.Errorf("RPC error for %v: %v", tablet.Alias, err.Error())
}
defer rpcClient.Close()
// do the call in the remaining time
call := rpcClient.Go("TabletManager."+name, args, reply, nil)
select {
case <-timer:
return fmt.Errorf("Timeout waiting for TabletManager.%v to %v", name, tablet.Alias)
case <-call.Done:
if call.Error != nil {
return fmt.Errorf("Remote error for %v: %v", tablet.Alias, call.Error.Error())
} else {
return nil
}
}
}