远程执行还模拟客户端主机的标准输入、输出和错误。

Remote execution also emulates the standard input, output, and error of the client host.

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然后，当然，也有一些情况下，客户端注意到错误的相应代码；您不能简单的重试。

And then, of course, there are those cases where the client notices the error response code; you can't simply retry.

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每当对应的客户端套接字包含读、写或错误操作时，调用对应的回调函数。

Each time a corresponding client socket contains any read, write or error operations, the corresponding callback function is called.

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