// Send transmits an RPC command if a server is available.
func (c *Client) Send(request datastore.Request) error {
var reply datastore.Response
if c.client != nil {
err := c.client.Call("RPCConnection.Do", request, &reply)
if err != nil {
return fmt.Errorf("RPC error for '%s': %v", request.Command, err)
}
} else {
reply.Output = []byte(fmt.Sprintf("No DVID server is available: %s\n", request.Command))
}
return reply.Write(os.Stdout)
}
