Beispiel #1
0
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
		}
	}
}