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From rpl...@apache.org
Subject svn commit: r306900 - in /httpd/httpd/branches/2.2.x: CHANGES modules/proxy/mod_proxy.c
Date Thu, 06 Oct 2005 21:31:03 GMT
Author: rpluem
Date: Thu Oct  6 14:30:58 2005
New Revision: 306900

URL: http://svn.apache.org/viewcvs?rev=306900&view=rev
Log:
Merge r293123, r293293 from trunk:

* run the request_status hook in proxy_handler if HTTP_SERVICE_UNAVAILABLE
  is returned by ap_proxy_pre_request.

Suggested by: Brian Akins <brian.akins turner.com>, Mladen Turk
Reviewed by: Jim Jagielski

Modified:
    httpd/httpd/branches/2.2.x/CHANGES
    httpd/httpd/branches/2.2.x/modules/proxy/mod_proxy.c

Modified: httpd/httpd/branches/2.2.x/CHANGES
URL: http://svn.apache.org/viewcvs/httpd/httpd/branches/2.2.x/CHANGES?rev=306900&r1=306899&r2=306900&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/CHANGES [utf-8] (original)
+++ httpd/httpd/branches/2.2.x/CHANGES [utf-8] Thu Oct  6 14:30:58 2005
@@ -1,6 +1,10 @@
                                                         -*- coding: utf-8 -*-
 Changes with Apache 2.1.9
 
+  *) mod_proxy: Run the request_status hook also if there are no free workers
+     or all workers are in error state.
+     [Ruediger Pluem, Brian Akins <brian.akins turner.com>]
+
   *) mod_proxy_connect: Fix high CPU loop on systems like UnixWare which
      trigger POLL_ERR or POLL_HUP on a terminated connection.  PR 36951.
      [Jeff Trawick, Ruediger Pluem]

Modified: httpd/httpd/branches/2.2.x/modules/proxy/mod_proxy.c
URL: http://svn.apache.org/viewcvs/httpd/httpd/branches/2.2.x/modules/proxy/mod_proxy.c?rev=306900&r1=306899&r2=306900&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/modules/proxy/mod_proxy.c (original)
+++ httpd/httpd/branches/2.2.x/modules/proxy/mod_proxy.c Thu Oct  6 14:30:58 2005
@@ -679,8 +679,22 @@
         char *url = uri;
         /* Try to obtain the most suitable worker */
         access_status = ap_proxy_pre_request(&worker, &balancer, r, conf, &url);
-        if (access_status != OK)
-            return access_status;
+        if (access_status != OK) {
+            /*
+             * Only return if access_status is not HTTP_SERVICE_UNAVAILABLE
+             * This gives other modules the chance to hook into the
+             * request_status hook and decide what to do in this situation.
+             */
+            if (access_status != HTTP_SERVICE_UNAVAILABLE)
+                return access_status;
+            /*
+             * Ensure that balancer is NULL if worker is NULL to prevent
+             * potential problems in the post_request hook.
+             */
+            if (!worker)
+                balancer = NULL;
+            goto cleanup;
+        }
         if (balancer && balancer->max_attempts_set && !max_attempts)
             max_attempts = balancer->max_attempts;
         /* firstly, try a proxy, unless a NoProxy directive is active */



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