import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * An object with an operational state, plus asynchronous {@link #startAsync()} and {@link
 * #stopAsync()} lifecycle methods to transition between states. Example services include
 * webservers, RPC servers and timers.
 *
 * <p>The normal lifecycle of a service is:
 *
 * <ul>

  @Override
  public final Throwable failureCause() {
    return delegate.failureCause();
  }

  /** @since 15.0 */
  @CanIgnoreReturnValue
  @Override
  public final Service startAsync() {
    delegate.startAsync();
    return this;
  }

  /** @since 15.0 */
  @CanIgnoreReturnValue
  @Override
  public final Service stopAsync() {
    delegate.stopAsync();
    return this;
  }

  @Override
  public final Throwable failureCause() {
    return delegate.failureCause();
  }

  /** @since 15.0 */
  @CanIgnoreReturnValue
  @Override
  public final Service startAsync() {
    delegate.startAsync();
    return this;
  }

  /** @since 15.0 */
  @CanIgnoreReturnValue
  @Override
  public final Service stopAsync() {
    delegate.stopAsync();
    return this;
  }

  @Override
  public final Throwable failureCause() {
    return delegate.failureCause();
  }

  /** @since 15.0 */
  @CanIgnoreReturnValue
  @Override
  public final Service startAsync() {
    delegate.startAsync();
    return this;
  }

  /** @since 15.0 */
  @CanIgnoreReturnValue
  @Override
  public final Service stopAsync() {
    delegate.stopAsync();
    return this;
  }

	op := madmin.SiteResyncOp(vars["operation"])
	var (
		status madmin.SRResyncOpStatus
		err    error
	)
	switch op {
	case madmin.SiteResyncStart:
		status, err = globalSiteReplicationSys.startResync(ctx, objectAPI, peerSite)
	case madmin.SiteResyncCancel:
		status, err = globalSiteReplicationSys.cancelResync(ctx, objectAPI, peerSite)
	default:
		err = errSRInvalidRequest(errInvalidArgument)
	}

		}
	}
	return pi, true
}

// startResync initiates resync of data to peerSite specified. The overall site resync status
// is maintained in .minio.sys/buckets/site-replication/resync/<deployment-id.meta>, while collecting
// individual bucket resync status in .minio.sys/buckets/<bucket-name>/replication/resync.bin