notroj commented on code in PR #44:
URL: https://github.com/apache/apr/pull/44#discussion_r1243279746
##########
memcache/apr_memcache.c:
##########
@@ -346,18 +346,37 @@ APR_DECLARE(apr_status_t)
apr_memcache_disable_server(apr_memcache_t *mc, apr_me
return make_server_dead(mc, ms);
}
-static apr_status_t conn_connect(apr_memcache_conn_t *conn, apr_sockaddr_t *sa)
+static apr_status_t conn_connect(apr_memcache_conn_t *conn)
{
apr_status_t rv = APR_SUCCESS;
+ apr_sockaddr_t *sa;
+#if APR_HAVE_SOCKADDR_UN
+ apr_int32_t family = conn->ms->host[0] != '/' ? APR_UNSPEC : APR_UNIX;
+#else
+ apr_int32_t family = APR_UNSPEC;
+#endif
- rv = apr_socket_timeout_set(conn->sock, 1 * APR_USEC_PER_SEC);
+ rv = apr_sockaddr_info_get(&sa, conn->ms->host, family, conn->ms->port, 0,
conn->p);
if (rv != APR_SUCCESS) {
return rv;
}
- rv = apr_socket_connect(conn->sock, sa);
- if (rv != APR_SUCCESS) {
- return rv;
+ /* Cycle through address until a connect() succeeds. */
+ for (; sa; sa = sa->next) {
+ rv = apr_socket_create(&conn->sock, sa->family, SOCK_STREAM, 0,
conn->p);
+ if (rv == APR_SUCCESS) {
+ rv = apr_socket_timeout_set(conn->sock, 1 * APR_USEC_PER_SEC);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ rv = apr_socket_connect(conn->sock, sa);
+ if (rv == APR_SUCCESS) {
+ break;
+ }
+
+ apr_socket_close(conn->sock);
+ }
}
Review Comment:
This needs to catch the error case where no loop iteration succeeds, if sa
is NULL after the for() loop then it should return with an error.
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