Dirk and Daniel, Thanks a lot for your suggestions.
Our application has been relying on libcurl for URL redirection. We would need to rewrite a large portion of the code to handle URL redirection manually.
Daniel, do you see a problem with extending libcurl in either of the approach I suggested? I don't really mean: "I don't want to change my code, so I will just mess around with libcurl". It is just that the extension to libcurl seems pretty simple. So I suggested it.
Bin On Feb 22, 2011 1:14pm, Daniel Stenberg <[email protected]> wrote:
On Tue, 22 Feb 2011, Bin Wang wrote:
We use libcurl with CURLOPT_FOLLOWLOCATION option turned on. We have a need to obtain the IP addresses of all the servers libcurl tries to connect along the whole redirection process.
Since libcurl currently does not provide this, I am thinking about extending libcurl. I can think of two approaches of doing this:
Allow me to offer yet another way to solve your problem:
1. Don't enable CURLOPT_FOLLOWLOCATION
2. Use curl_easy_getinfo's CURLINFO_PRIMARY_IP to get the IP
3. Use curl_easy_getinfo's CURLINFO_REDIRECT_URL to extract redirect URLs and redirect there "manually".
--
/ daniel.haxx.se
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