From: Antonio Ospite <ao2@ao2.it>
Date: Wed, 14 Nov 2018 16:03:06 +0000 (+0100)
Subject: src/Tweeper.php: add a retry mechanism for cURL sessions
X-Git-Tag: v1.4.0~6
X-Git-Url: https://git.ao2.it/tweeper.git/commitdiff_plain/6c535395860b51d2c1debf92437192c6bf862b16?hp=6c535395860b51d2c1debf92437192c6bf862b16

src/Tweeper.php: add a retry mechanism for cURL sessions

Sometimes the connection to a remote host may stall and a resource
cannot be retrieved. This makes Tweeper hang for a very long time which
can be annoying for users.

Setting a shorter timeout and a retry mechanism usually works around the
problem allowing the resource to be retrieved eventually.

Implement such a mechanism by adding curlExec() method and while at it
move non-curl related messages outside of getUrlContents() and
getUrlInfo() to give the user a better understanding of what actually
failed when even the retry mechanism was not able to retrieve the
resource.
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