From 5b93a5f53ce299ede0dd87c44eb1c935bf8900a5 Mon Sep 17 00:00:00 2001 From: "William A. Rowe Jr" Date: Wed, 11 Aug 2004 22:12:02 +0000 Subject: [PATCH] Add some source comments about worker DNS lookup. Submitted by: mturk git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104584 13f79535-47bb-0310-9956-ffa450edef68 --- modules/proxy/proxy_util.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/modules/proxy/proxy_util.c b/modules/proxy/proxy_util.c index 81124e2f79..506d9afdaa 100644 --- a/modules/proxy/proxy_util.c +++ b/modules/proxy/proxy_util.c @@ -1396,7 +1396,6 @@ ap_proxy_determine_connection(apr_pool_t *p, request_rec *r, if (proxyname) { mconf->conn_rec->hostname = apr_pstrdup(ppool, proxyname); mconf->conn_rec->port = proxyport; - /* see memory note above */ } else { mconf->conn_rec->hostname = apr_pstrdup(ppool, uri->hostname); mconf->conn_rec->port = uri->port; @@ -1405,13 +1404,17 @@ ap_proxy_determine_connection(apr_pool_t *p, request_rec *r, uri->fragment ? "#" : "", uri->fragment ? uri->fragment : "", NULL); } + /* Worker can have the single constant backend adress. + * The single DNS lookup is used once per worker. + * If dynamic change is needed then set the addr to NULL + * inside dynamic config to force the lookup. + */ if (!mconf->worker->cp->addr) err = apr_sockaddr_info_get(&(mconf->worker->cp->addr), mconf->conn_rec->hostname, APR_UNSPEC, mconf->conn_rec->port, 0, mconf->worker->cp->pool); - /* do a DNS lookup for the destination host */ if (err != APR_SUCCESS) { return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_pstrcat(p, "DNS lookup failure for: ", -- 2.40.0