294502Re: Why Postfix always complain "unexpected EOF" with my own tcp_table program?
- Jul 28, 2013Zhang Huangbin:
> Dear all,1) Use a network sniffer to see what Python actually sends. You may
> I wrote a simple daemon service in Python, it's used in Postfix transport_maps like this:
> transport_maps = tcp:127.0.0.1:1234
> It always returns '200 my_transport\n' as described in Postfix manual page tcp_table(5), but Postfix always complains "unexpected EOF" like below:
> Jul 27 22:51:53 d7 postfix/trivial-rewrite: warning: read TCP map reply from 127.0.0.1:1234: unexpected EOF (Success)
> This Python daemon server uses 'asynchat' module, and return '200 my_transport\n' with 'async_chat.push()' method like this:
> self.push('200 my_transport\n')
> Any idea why Postfix always complain "unexpected EOF"?
assume that your program sends \n, but Postfix does not receive \n.
2) Unrelated to this bug: closing the connection after one request
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