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# rpc.py

定义了create\_consumer()方法，设置agent 进行RPC时候的消费者。

定义了PluginApi类和PluginReportStateAPI类。两者都是继承自rpc.RpcProxy类。 前者代表rpc API在agent一侧部分，用于agent调用plugin的方法。后者是agent汇报自身状态，用于向plugin汇报状态信息。

PluginApi类包括四个方法：get\_device\_details()、tunnel\_sync()、update\_device\_down()和update\_device\_up()。

PluginReportStateAPI类只提供一个方法：report\_state，将agent获取的本地的状态信息以rpc消息的方式发出去。


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