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RE: CURLE_ABORTED_BY_CALLBACK disconnects FTP session

From: LuŪs Pinto <luis.pinto_at_avid.com>
Date: Thu, 4 Sep 2014 08:49:11 +0000

Replying to my own email..

I Just forgot to say that the version being used is 7.37.1 (I believe the last stable one)

regards

Luís Pinto
Principal Software Development Engineer,

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-----Original Message-----
From: Luís Pinto
Sent: Wednesday, 3 de September de 2014 18:57
To: 'curl-library_at_cool.haxx.se'
Subject: CURLE_ABORTED_BY_CALLBACK disconnects FTP session

Hi All,

I'm currently using lib-curl for a project where I might need to abort a pending transfer several times. I've followed all the instructions regarding the registrations of the proper callback as shown below

// Pass callback to notify curl if should abort or not m_curlErrorCode = ::curl_easy_setopt (m_curl, CURLOPT_XFERINFOFUNCTION, MyClass::checkCurlCancelingCallback);
m_curlErrorCode = ::curl_easy_setopt (m_curl, CURLOPT_XFERINFODATA, this); m_curlErrorCode = ::curl_easy_setopt (m_curl, CURLOPT_NOPROGRESS, 0);

curl_easy _perform is then executed in its own thread..

In the parent thread, I'm able to set a given variable (properly protected with mutexes) to true, making the checkCurlCancelingCallback return 1 (effectively cancelling any transfer)

Curl_easy_perform returns almost immediately with the proper CURLE_ABORTED_BY_CALLBACK error code..

So far so good.. The main problem is that I wish to reuse the previous connection, and curl simply disconnects from the server...

I want to be able to reuse the connection from that handle several times in a session, and not open several sessions with that handle in case I have to abort any transfers being done there

I this by curls design?

The FTP server that I'm currently using is the FileZilla server

Any help would be greatly appreciated!

Luís Pinto

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Received on 2014-09-04