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canceling curl_easy_perform() operation

From: Sapana Hanchate <>
Date: Mon, 4 Jun 2007 10:58:00 +0530

Hi All
I am using curl lib for implementing HTTP client. To cancel the requested
URL, I am using ProgrssCallBack function which returns non zero value if
user presses cancel button.
But suppose client is trying to contact wrong IP address and user send
cancel request, in this scenario my code is not working as ProgressCallBack
function is not called unless and until TCP connection between client and
server is established.
Is there any way by which I can stop the http [SYN] packets going to wrong
IP if user request for cancel?
Any help on this will be really great. Thanks in advance.

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Received on 2007-06-04