Re: How to debug the wire protocol?

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Rui Pacheco <rui(dot)pacheco(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: How to debug the wire protocol?
Date: 2017-02-09 19:05:34
Message-ID: CAFj8pRD_oTW_rf1uRcxMLGViYj4QGz5yFCT8O9zzDGkUdGX_GQ@mail.gmail.com
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Hi

2017-02-09 20:01 GMT+01:00 Rui Pacheco <rui(dot)pacheco(at)gmail(dot)com>:

> Hello,
>
> I’ve sent a similar email to the general mailing list but got no reply.
>
> I’m trying to write my own implementation of the wire protocol. I’m stuck
> at the Parse message where I send it to the server but always get the
> following error: “Could not parse statement invalid string in message”
>
> Is there a way to see how Postgres parses the message? I’ve set logging to
> DEBUG5 but the only thing I can see in the logs is, among other things, the
> message
>
> ERROR: invalid string in message
> FATAL: invalid frontend message type 63
>
> What is exactly wrong? Is there a way to log the parsing of the message,
> or should I create my own build of postgres with log statements where I
> need them?
>

https://github.com/dalibo/pgshark

Regards

Pavel

>
> Many thanks,
>
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