From 0f1bc4bf0351dd8b284c7b4b69d350e61164b138 Mon Sep 17 00:00:00 2001
From: svncommit <devs@roundcube.net>
Date: Sun, 2 Oct 2005 15:01:44 +0000
Subject: added use of persistent links and improved non-replication connection

---
 program/include/rcube_db.inc | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

(limited to 'program/include')

diff --git a/program/include/rcube_db.inc b/program/include/rcube_db.inc
index f4dc222a5..87cb869f8 100755
--- a/program/include/rcube_db.inc
+++ b/program/include/rcube_db.inc
@@ -51,7 +51,9 @@ class rcube_db
 	// Connect to specific database	
 	function dsn_connect($dsn)
 	{
-		$dbh = DB::connect($dsn);
+		// Use persistent connections if available
+		
+		$dbh = DB::connect($dsn, array('persistent' => $true));
 
 		if (DB::isError($dbh))
 			raise_error(array('code' => 500,
@@ -65,10 +67,20 @@ class rcube_db
 	// Connect to appropiate databse	
 	function db_connect ($mode)
 	{
-		if ($this->db_connected && $this->db_mode=='w') return;
-
-		if ($this->db_connected && $this->db_mode==$mode) return;
-
+		// Already connected
+		
+		if ($this->db_connected)
+			{
+			// no replication, current connection is ok
+			if ($this->db_dsnw==$this->db_dsnr) return;
+			
+			// connected to master, current connection is ok
+			if ($this->db_mode=='w') return;
+
+			// Same mode, current connection is ok
+			if ($this->db_mode==$mode) return;
+			}
+			
 		if ($mode=='r')
 			$dsn=$this->db_dsnr;
 		else
-- 
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