包含了远程过程调用的源码，远程过程调用只是一种概念，其实现由多种，但实质是传递调用规则和调用参数给对方，对方返回结果。-Contains a remote procedure call source, and remote procedure calls is just a concept, its realization by a variety of, but the essence is to transfer calls rules and call for the other party parameters, the other party to return to the results.