Hello,

I am using curl multi interface (socket_action) for http/https transfers
and would like to know the correct way to retrieve error codes
associated with a transfer.

Currently I am using curl_easy_getinfo with CURLINFO_RESPONSE_CODE and
CURLINFO_OS_ERRNO to do this. But this doesn't give the specific error
code like curl_easy_perform would return. For example, when network is
down, I get CURLINFO_RESPONSE_CODE and CURLINFO_OS_ERRNO as 0, even
though I can see debug log as "Could not resolve host: <url> (Could not
contact DNS servers)".

In error scenarios like these (dns error, connect error, ssl errors
etc), I would like to get the specific error code. How can I achieve this?

Thanks in advance,
-lijo
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Received on 2012-02-05