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Posted to cvs@httpd.apache.org by ji...@apache.org on 2012/11/01 17:06:44 UTC

svn commit: r1404653 - in /httpd/httpd/trunk: CHANGES docs/manual/mod/mod_proxy.xml include/ap_mmn.h modules/proxy/mod_proxy.c modules/proxy/mod_proxy.h modules/proxy/mod_proxy_balancer.c modules/proxy/proxy_util.c

Author: jim
Date: Thu Nov  1 16:06:43 2012
New Revision: 1404653

URL: http://svn.apache.org/viewvc?rev=1404653&view=rev
Log:
Allow for setting of sticky session split char...
Bugz 53893

Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/docs/manual/mod/mod_proxy.xml
    httpd/httpd/trunk/include/ap_mmn.h
    httpd/httpd/trunk/modules/proxy/mod_proxy.c
    httpd/httpd/trunk/modules/proxy/mod_proxy.h
    httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c
    httpd/httpd/trunk/modules/proxy/proxy_util.c

Modified: httpd/httpd/trunk/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=1404653&r1=1404652&r2=1404653&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Thu Nov  1 16:06:43 2012
@@ -1,8 +1,11 @@
                                                          -*- coding: utf-8 -*-
 Changes with Apache 2.5.0
 
+  *) mod_proxy: Add ability to configure the sticky session separator.
+     PR 53893. [<inu inusasha de>, Jim Jagielski]
+
   *) mod_proxy_ftp: Fix segfaults on IPv4 requests to hosts with DNS AAAA records.
-     PR  40841. [Andrew Rucker Jones <arjones simultan dyndns org>,
+     PR 40841. [Andrew Rucker Jones <arjones simultan dyndns org>,
      <ast domdv de>, Jim Jagielski]
 
   *) ap_expr: Add req_novary function that allows HTTP header lookups

Modified: httpd/httpd/trunk/docs/manual/mod/mod_proxy.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/docs/manual/mod/mod_proxy.xml?rev=1404653&r1=1404652&r2=1404653&view=diff
==============================================================================
--- httpd/httpd/trunk/docs/manual/mod/mod_proxy.xml (original)
+++ httpd/httpd/trunk/docs/manual/mod/mod_proxy.xml Thu Nov  1 16:06:43 2012
@@ -1092,6 +1092,13 @@ ProxyPass /mirror/foo http://backend.exa
         and url encoded id (like servlet containers) use | to to separate them.
         The first part is for the cookie the second for the path.
     </td></tr>
+    <tr><td>stickysessionsep</td>
+        <td>"."</td>
+        <td>Sets the separation symbol in the session cookie. Some backend application servers
+        do not use the '.' as the symbol. For example the Oracle Weblogic server uses 
+        '!'. The correct symbol can be set using this option. The setting of 'Off'
+        signifies that no symbol is used.
+    </td></tr>
     <tr><td>scolonpathdelim</td>
         <td>Off</td>
         <td>If set to <code>On</code> the semi-colon character ';' will be

Modified: httpd/httpd/trunk/include/ap_mmn.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/include/ap_mmn.h?rev=1404653&r1=1404652&r2=1404653&view=diff
==============================================================================
--- httpd/httpd/trunk/include/ap_mmn.h (original)
+++ httpd/httpd/trunk/include/ap_mmn.h Thu Nov  1 16:06:43 2012
@@ -403,6 +403,7 @@
  * 20120724.3 (2.5.0-dev)  Add bal_persist, inherit to proxy_server_conf
  * 20120724.4 (2.5.0-dev)  Add dirwalk_stat hook.
  * 20120724.5 (2.5.0-dev)  Add ap_get_sload() and ap_get_loadavg().
+ * 20120724.6 (2.5.0-dev)  Add sticky_separator to proxy_balancer_shared struct.
  */
 
 #define MODULE_MAGIC_COOKIE 0x41503235UL /* "AP25" */
@@ -410,7 +411,7 @@
 #ifndef MODULE_MAGIC_NUMBER_MAJOR
 #define MODULE_MAGIC_NUMBER_MAJOR 20120724
 #endif
-#define MODULE_MAGIC_NUMBER_MINOR 5                   /* 0...n */
+#define MODULE_MAGIC_NUMBER_MINOR 6                   /* 0...n */
 
 /**
  * Determine if the server's current MODULE_MAGIC_NUMBER is at least a

Modified: httpd/httpd/trunk/modules/proxy/mod_proxy.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy.c?rev=1404653&r1=1404652&r2=1404653&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/proxy/mod_proxy.c (original)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy.c Thu Nov  1 16:06:43 2012
@@ -287,6 +287,19 @@ static const char *set_balancer_param(pr
             PROXY_STRNCPY(balancer->s->sticky_path, path);
         }
     }
+    else if (!strcasecmp(key, "stickysessionsep")) {
+        /* separator/delimiter for sessionid and route,
+         * normally '.'
+         */
+        if (strlen(val) != 1) {
+            if (!strcasecmp(val, "off"))
+                balancer->s->sticky_separator = 0;
+            else      
+                return "stickysessionsep must be a single character or Off";
+        }
+        else
+            balancer->s->sticky_separator = *val;
+    }
     else if (!strcasecmp(key, "nofailover")) {
         /* If set to 'on' the session will break
          * if the worker is in error state or

Modified: httpd/httpd/trunk/modules/proxy/mod_proxy.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy.h?rev=1404653&r1=1404652&r2=1404653&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/proxy/mod_proxy.h (original)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy.h Thu Nov  1 16:06:43 2012
@@ -419,6 +419,7 @@ typedef struct {
     int             max_attempts;     /* Number of attempts before failing */
     int             index;      /* shm array index */
     proxy_hashes hash;
+    char      sticky_separator;                                /* separator for sessionid/route */
     unsigned int    sticky_force:1;   /* Disable failover for sticky sessions */
     unsigned int    scolonsep:1;      /* true if ';' seps sticky session paths */
     unsigned int    max_attempts_set:1;

Modified: httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c?rev=1404653&r1=1404652&r2=1404653&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c (original)
+++ httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c Thu Nov  1 16:06:43 2012
@@ -293,10 +293,11 @@ static proxy_worker *find_session_route(
         }
     }
     /*
-     * If we found a value for sticksession, find the first '.' within.
-     * Everything after '.' (if present) is our route.
+     * If we found a value for stickysession, find the first '.' (or whatever
+     * sticky_separator is set to) within. Everything after '.' (if present)
+     * is our route. 
      */
-    if ((*route) && ((*route = strchr(*route, '.')) != NULL ))
+    if ((*route) && (balancer->s->sticky_separator != 0) && ((*route = strchr(*route, balancer->s->sticky_separator)) != NULL ))
         (*route)++;
     if ((*route) && (**route)) {
         ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01161) "Found route %s", *route);

Modified: httpd/httpd/trunk/modules/proxy/proxy_util.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/proxy_util.c?rev=1404653&r1=1404652&r2=1404653&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/proxy/proxy_util.c (original)
+++ httpd/httpd/trunk/modules/proxy/proxy_util.c Thu Nov  1 16:06:43 2012
@@ -1182,6 +1182,7 @@ PROXY_DECLARE(char *) ap_proxy_define_ba
     (*balancer)->hash = bshared->hash;
 
     bshared->forcerecovery = 1;
+    bshared->sticky_separator = '.';
     *bshared->nonce = PROXY_UNSET_NONCE;  /* impossible valid input */
 
     (*balancer)->s = bshared;