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test/dns: run async resolving after sync one (to avoid timeouts)

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If system resolver (sync one) will respond too slow, then we can fail async
request and evdns will retransmit tham again, but evdns server will accept that
failed requets, so we will have not 2 requests but 4.

Reproduced on centos box sometimes.
This commit is contained in:
Azat Khuzhin 2017-01-19 20:34:41 +03:00
parent 36da6877f0
commit 0786253115
1 changed files with 9 additions and 9 deletions
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18
test/regress_dns.c
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@ -1250,15 +1250,6 @@ test_bufferevent_connect_hostname(void *arg)
bufferevent_setcb(be5, NULL, NULL, be_connect_hostname_event_cb,
&be5_outcome);
/* Launch an async resolve that will fail. */
tt_assert(!bufferevent_socket_connect_hostname(be1, dns, AF_INET,
"nosuchplace.example.com", listener_port));
/* Connect to the IP without resolving. */
tt_assert(!bufferevent_socket_connect_hostname(be2, dns, AF_INET,
"127.0.0.1", listener_port));
/* Launch an async resolve that will succeed. */
tt_assert(!bufferevent_socket_connect_hostname(be3, dns, AF_INET,
"nobodaddy.example.com", listener_port));
/* Use the blocking resolver. This one will fail if your resolver
* can't resolve localhost to 127.0.0.1 */
tt_assert(!bufferevent_socket_connect_hostname(be4, NULL, AF_INET,
@ -1278,6 +1269,15 @@ test_bufferevent_connect_hostname(void *arg)
expect_err5 = evutil_getaddrinfo(
"nonesuch.nowhere.example.com", "80", &hints, &ai);
}
/* Launch an async resolve that will fail. */
tt_assert(!bufferevent_socket_connect_hostname(be1, dns, AF_INET,
"nosuchplace.example.com", listener_port));
/* Connect to the IP without resolving. */
tt_assert(!bufferevent_socket_connect_hostname(be2, dns, AF_INET,
"127.0.0.1", listener_port));
/* Launch an async resolve that will succeed. */
tt_assert(!bufferevent_socket_connect_hostname(be3, dns, AF_INET,
"nobodaddy.example.com", listener_port));
event_base_dispatch(data->base);