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Curl_wait_for_resolv: correct timeout

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When looping in this function and checking for the timeout being
expired, it was not updating the reference time when calculating the
timediff since previous round which made it think each subsequent loop
to have taken longer than it actually did.

I also modified the function to use the generic Curl_timeleft() function
instead of the custom logic.

Bug: http://curl.haxx.se/bug/view.cgi?id=3112579
This commit is contained in:
Daniel Stenberg 2010-12-05 23:39:41 +01:00
parent c2bfe60086
commit 2271b60b71
1 changed files with 5 additions and 8 deletions
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13
lib/hostares.c
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@ -224,13 +224,8 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
long timeout;
struct timeval now = Curl_tvnow();
/* now, see if there's a connect timeout or a regular timeout to
use instead of the default one */
if(conn->data->set.connecttimeout)
timeout = conn->data->set.connecttimeout;
else if(conn->data->set.timeout)
timeout = conn->data->set.timeout;
else
timeout = Curl_timeleft(conn, &now, TRUE);
if(!timeout)
timeout = CURL_TIMEOUT_RESOLVE * 1000; /* default name resolve timeout */
/* Wait for the name resolve query to complete. */
@ -265,8 +260,10 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
timeout = -1; /* trigger the cancel below */
}
else {
timediff = Curl_tvdiff(Curl_tvnow(), now); /* spent time */
struct timeval now2 = Curl_tvnow();
timediff = Curl_tvdiff(now2, now); /* spent time */
timeout -= timediff?timediff:1; /* always deduct at least 1 */
now = now2; /* for next loop */
}
if(timeout < 0) {
/* our timeout, so we cancel the ares operation */