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Add some source comments about worker DNS lookup.

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Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104584 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
William A. Rowe Jr
2004-08-11 22:12:02 +00:00
parent 4d04100701
commit 5b93a5f53c
1 changed files with 5 additions and 2 deletions
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7
modules/proxy/proxy_util.c
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@@ -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: ",