From 26bc46d9b671ea069fc779ecb8b4ac90323c2291 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Wed, 07 Sep 2011 02:59:48 -0400
Subject: [PATCH] - Move two entries from 0.6-rc to trunk's changelog part

---
 program/include/rcmail.php |   55 +++++++++++++++++++++++++++++++++++++++++--------------
 1 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index ced5934..f126a91 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -6,6 +6,7 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2008-2011, The Roundcube Dev Team                       |
+ | Copyright (C) 2011, Kolab Systems AG                                  |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -336,20 +337,41 @@
       }
 
       $this->memcache = new Memcache;
-      $mc_available = 0;
+      $this->mc_available = 0;
+      
+      // add alll configured hosts to pool
+      $pconnect = $this->config->get('memcache_pconnect', true);
       foreach ($this->config->get('memcache_hosts', array()) as $host) {
         list($host, $port) = explode(':', $host);
         if (!$port) $port = 11211;
-        // add server and attempt to connect if not already done yet
-        if ($this->memcache->addServer($host, $port) && !$mc_available)
-          $mc_available += intval($this->memcache->connect($host, $port));
+        $this->mc_available += intval($this->memcache->addServer($host, $port, $pconnect, 1, 1, 15, false, array($this, 'memcache_failure')));
       }
+      
+      // test connection and failover (will result in $this->mc_available == 0 on complete failure)
+      $this->memcache->increment('__CONNECTIONTEST__', 1);  // NOP if key doesn't exist
 
-      if (!$mc_available)
+      if (!$this->mc_available)
         $this->memcache = false;
     }
 
     return $this->memcache;
+  }
+  
+  /**
+   * Callback for memcache failure
+   */
+  public function memcache_failure($host, $port)
+  {
+    static $seen = array();
+    
+    // only report once
+    if (!$seen["$host:$port"]++) {
+      $this->mc_available--;
+      raise_error(array('code' => 604, 'type' => 'db',
+        'line' => __LINE__, 'file' => __FILE__,
+        'message' => "Memcache failure on host $host:$port"),
+        true, false);
+    }
   }
 
 
@@ -392,7 +414,10 @@
         $id = '0';
 
     // use existing instance
-    if (isset($this->address_books[$id]) && is_a($this->address_books[$id], 'rcube_addressbook') && (!$writeable || !$this->address_books[$id]->readonly)) {
+    if (isset($this->address_books[$id]) && is_object($this->address_books[$id])
+      && is_a($this->address_books[$id], 'rcube_addressbook')
+      && (!$writeable || !$this->address_books[$id]->readonly)
+    ) {
       $contacts = $this->address_books[$id];
     }
     else if ($id && $ldap_config[$id]) {
@@ -439,6 +464,7 @@
    * Return address books list
    *
    * @param boolean True if the address book needs to be writeable
+   *
    * @return array  Address books array
    */
   public function get_address_sources($writeable = false)
@@ -453,9 +479,9 @@
       if (!isset($this->address_books['0']))
         $this->address_books['0'] = new rcube_contacts($this->db, $this->user->ID);
       $list['0'] = array(
-        'id' => '0',
-        'name' => rcube_label('personaladrbook'),
-        'groups' => $this->address_books['0']->groups,
+        'id'       => '0',
+        'name'     => rcube_label('personaladrbook'),
+        'groups'   => $this->address_books['0']->groups,
         'readonly' => $this->address_books['0']->readonly,
         'autocomplete' => in_array('sql', $autocomplete)
       );
@@ -465,11 +491,12 @@
       $ldap_config = (array) $ldap_config;
       foreach ($ldap_config as $id => $prop)
         $list[$id] = array(
-          'id' => $id,
-          'name' => $prop['name'],
-          'groups' => is_array($prop['groups']),
+          'id'       => $id,
+          'name'     => $prop['name'],
+          'groups'   => is_array($prop['groups']),
           'readonly' => !$prop['writable'],
-          'autocomplete' => in_array('sql', $autocomplete)
+          'hidden'   => $prop['hidden'],
+          'autocomplete' => in_array($id, $autocomplete)
         );
     }
 
@@ -1160,7 +1187,7 @@
       $this->smtp->disconnect();
 
     foreach ($this->address_books as $book) {
-      if (is_a($book, 'rcube_addressbook'))
+      if (is_object($book) && is_a($book, 'rcube_addressbook'))
         $book->close();
     }
 

--
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