-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2005-2008 Lennart Poettering
- Copyright 2014 Daniel Buch
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
#include <arpa/inet.h>
#include <errno.h>
#include "macro.h"
#include "socket-util.h"
#include "string-util.h"
+#include "time-util.h"
+
+#define TEST_TIMEOUT_USEC (20*USEC_PER_SEC)
static int getaddrinfo_handler(sd_resolve_query *q, int ret, const struct addrinfo *ai, void *userdata) {
const struct addrinfo *i;
return 0;
}
- printf("Host: %s -- Serv: %s\n", strna(host), strna(serv));
+ printf("Host: %s — Serv: %s\n", strna(host), strna(serv));
return 0;
}
assert_se(sd_resolve_default(&resolve) >= 0);
/* Test a floating resolver query */
- sd_resolve_getaddrinfo(resolve, NULL, "redhat.com", "http", NULL, getaddrinfo_handler, NULL);
+ r = sd_resolve_getaddrinfo(resolve, NULL, "redhat.com", "http", NULL, getaddrinfo_handler, NULL);
+ if (r < 0)
+ log_error_errno(r, "sd_resolve_getaddrinfo(): %m");
/* Make a name -> address query */
r = sd_resolve_getaddrinfo(resolve, &q1, argc >= 2 ? argv[1] : "www.heise.de", NULL, &hints, getaddrinfo_handler, NULL);
/* Wait until all queries are completed */
for (;;) {
- r = sd_resolve_wait(resolve, (uint64_t) -1);
+ r = sd_resolve_wait(resolve, TEST_TIMEOUT_USEC);
if (r == 0)
break;
+ if (r == -ETIMEDOUT) {
+ /* Let's catch timeouts here, so that we can run safely in a CI that has no reliable DNS. Note
+ * that we invoke exit() directly here, as the stuck NSS call will not allow us to exit
+ * cleanly. */
+
+ log_notice_errno(r, "sd_resolve_wait() timed out, but that's OK");
+ exit(EXIT_SUCCESS);
+ }
if (r < 0) {
log_error_errno(r, "sd_resolve_wait(): %m");
assert_not_reached("sd_resolve_wait() failed");