moparisthebest/curl
1
0
Fork 0
mirror of https://github.com/moparisthebest/curl synced 2024-12-22 08:08:50 -05:00
Code Issues Releases Wiki Activity

Timeout slow ares name lookups. This is based on the patch brought by

Browse Source 
Dirk Manske, but modified by me.
This commit is contained in:
Daniel Stenberg 2004-02-02 10:15:22 +00:00
parent 580a2fe72b
commit 12fa877f00
1 changed files with 29 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
lib/hostip.c
View File

@ -481,27 +481,46 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
{
CURLcode rc=CURLE_OK;
struct SessionHandle *data = conn->data;
struct timeval now = Curl_tvnow();
bool timedout = FALSE;
long timeout = 300; /* default name resolve timeout in seconds */
long elapsed = 0; /* time taken so far */
/* 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;
/* Wait for the name resolve query to complete. */
while (1) {
int nfds=0;
fd_set read_fds, write_fds;
struct timeval *tvp, tv;
struct timeval *tvp, tv, store;
int count;
store.tv_sec = timeout - elapsed;
store.tv_usec = 0;
FD_ZERO(&read_fds);
FD_ZERO(&write_fds);
nfds = ares_fds(data->state.areschannel, &read_fds, &write_fds);
if (nfds == 0)
break;
tvp = ares_timeout(data->state.areschannel,
NULL, /* pass in our maximum time here */
&tv);
&store, &tv);
count = select(nfds, &read_fds, &write_fds, NULL, tvp);
if (count < 0 && errno != EINVAL)
break;
else if(!count) {
/* timeout */
timedout = TRUE;
break;
}
ares_process(data->state.areschannel, &read_fds, &write_fds);
elapsed = Curl_tvdiff(Curl_tvnow(), now)/1000; /* spent time */
}
/* Operation complete, if the lookup was successful we now have the entry
@ -515,7 +534,11 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
if(!conn->async.dns) {
/* a name was not resolved */
if(conn->async.done) {
if(timedout) {
failf(data, "Resolving host timed out: %s", conn->name);
rc = CURLE_OPERATION_TIMEDOUT;
}
else if(conn->async.done) {
failf(data, "Could not resolve host: %s", conn->name);
rc = CURLE_COULDNT_RESOLVE_HOST;
}