- Make sure the progress callback is called repeatedly even during very slow

name resolves when c-ares is used for resolving.
This commit is contained in:
Daniel Stenberg 2010-01-06 23:04:17 +00:00
parent bd8096b42b
commit 88944eb13a
3 changed files with 28 additions and 8 deletions

View File

@ -6,6 +6,10 @@
Changelog
Daniel Stenberg (7 Jan 2010)
- Make sure the progress callback is called repeatedly even during very slow
name resolves when c-ares is used for resolving.
Claes Jakobsson (6 Jan 2010)
- Julien Chaffraix fixed so that the fragment part in an URL is not sent
to the server anymore.

View File

@ -41,6 +41,7 @@ This release includes the following bugfixes:
o libcurl-OpenSSL engine cleanup
o header include fix for FreeBSD versions before v8
o fragment part of URLs are no longer sent to the server
o progress callback called repeatedly with c-ares for resolving
This release includes the following known bugs:

View File

@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -72,6 +72,7 @@
#include "inet_pton.h"
#include "connect.h"
#include "select.h"
#include "progress.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
@ -119,7 +120,7 @@ int Curl_resolv_getsock(struct connectdata *conn,
}
/*
* ares_waitperform()
* waitperform()
*
* 1) Ask ares what sockets it currently plays with, then
* 2) wait for the timeout period to check for action on ares' sockets.
@ -128,7 +129,7 @@ int Curl_resolv_getsock(struct connectdata *conn,
* return number of sockets it worked on
*/
static int ares_waitperform(struct connectdata *conn, int timeout_ms)
static int waitperform(struct connectdata *conn, int timeout_ms)
{
struct SessionHandle *data = conn->data;
int nfds;
@ -192,7 +193,7 @@ CURLcode Curl_is_resolved(struct connectdata *conn,
*dns = NULL;
ares_waitperform(conn, 0);
waitperform(conn, 0);
if(conn->async.done) {
/* we're done, kill the ares handle */
@ -238,6 +239,7 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
struct timeval *tvp, tv, store;
long timediff;
int itimeout;
int timeout_ms;
itimeout = (timeout > (long)INT_MAX) ? INT_MAX : (int)timeout;
@ -246,14 +248,27 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
tvp = ares_timeout(data->state.areschannel, &store, &tv);
/* use the timeout period ares returned to us above */
ares_waitperform(conn, (int)(tvp->tv_sec * 1000 + tvp->tv_usec/1000));
/* use the timeout period ares returned to us above if less than one
second is left, otherwise just use 1000ms to make sure the progress
callback gets called frequent enough */
if(!tvp->tv_sec)
timeout_ms = tvp->tv_usec/1000;
else
timeout_ms = 1000;
waitperform(conn, timeout_ms);
if(conn->async.done)
break;
timediff = Curl_tvdiff(Curl_tvnow(), now); /* spent time */
timeout -= timediff?timediff:1; /* always deduct at least 1 */
if(Curl_pgrsUpdate(conn)) {
rc = CURLE_ABORTED_BY_CALLBACK;
timeout = -1; /* trigger the cancel below */
}
else {
timediff = Curl_tvdiff(Curl_tvnow(), now); /* spent time */
timeout -= timediff?timediff:1; /* always deduct at least 1 */
}
if(timeout < 0) {
/* our timeout, so we cancel the ares operation */
ares_cancel(data->state.areschannel);