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dns_client: add retry when bootstrap from system DNS.

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This commit is contained in:
Nick Peng
2023-01-30 23:26:08 +08:00
parent 3cb644d728
commit 1e29f1fa63
1 changed files with 7 additions and 3 deletions
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10
src/dns_client.c
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@@ -3765,9 +3765,13 @@ static void _dns_client_add_pending_servers(void)
if (dns_client_has_bootstrap_dns == 0) {
if (_dns_client_add_pendings(pending, pending->host) != 0) {
pthread_mutex_unlock(&pending_server_mutex);
tlog(TLOG_ERROR, "add pending DNS server %s failed", pending->host);
exit(1);
return;
tlog(TLOG_INFO, "add pending DNS server %s from resolv.conf failed, retry %d...", pending->host,
pending->retry_cnt - 1);
if (pending->retry_cnt - 1 > DNS_PENDING_SERVER_RETRY) {
tlog(TLOG_WARN, "add pending DNS server %s from resolv.conf failed, exit...", pending->host);
exit(1);
}
continue;
}
_dns_client_server_pending_release(pending);