Tie load balance front end into the slbd daemon

1 files changed, 82 insertions, 0 deletions

diff --git a/etc/inc/vslb.inc b/etc/inc/vslb.inc
new file mode 100644
index 0000000..4d08a96
--- /dev/null
+++ b/etc/inc/vslb.inc
@@ -0,0 +1,82 @@
+<?php
+/* $Id */
+/*
+	vslb.inc
+        Copyright (C) 2005 Bill Marquette
+	All rights reserved.
+
+	Redistribution and use in source and binary forms, with or without
+	modification, are permitted provided that the following conditions are met:
+
+	1. Redistributions of source code must retain the above copyright notice,
+	   this list of conditions and the following disclaimer.
+
+	2. Redistributions in binary form must reproduce the above copyright
+	   notice, this list of conditions and the following disclaimer in the
+	   documentation and/or other materials provided with the distribution.
+
+	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+	POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+/* include all configuration functions */
+require_once("functions.inc");
+require_once("pkg-utils.inc");
+require_once("notices.inc");
+
+function slbd_configure() {
+	global $config, $g;
+
+	$a_vs = &$config['load_balancer']['virtual_server'];
+	$a_pool = &$config['load_balancer']['pool'];
+
+
+	$fd = fopen("{$g['varetc_path']}/slbd.conf", "w");
+
+	foreach ($a_vs as $vsent) {
+		if ($vsent['desc'] == "")
+			$slbdconf .= "{$vsent['name']}:\\\n";
+		else
+			$slbdconf .= "{$vsent['name']}|{$vsent['desc']}:\\\n";
+
+		/* virtual IP */
+	 	$slbdconf .= "\t:vip={$vsent['ipaddr']}:\\\n";
+		/* virtual port */
+	 	$slbdconf .= "\t:vip-port={$vsent['port']}:\\\n";
+		/* fallback IP */
+	 	$slbdconf .= "\t:sitedown={$vsent['ipaddr']}:\\\n";
+		/* fallback port */
+	 	$slbdconf .= "\t:sitedown-port={$vsent['port']}:\\\n";
+
+		for ($i = 0; isset($config['load_balancer']['lbpool'][$i]); $i++) {
+			if ($config['load_balancer']['lbpool'][$i]['name'] == $vsent['pool']) {
+				$svrcnt = 0;
+				$svrtxt = "";
+				$svrtxt = "\t:service-port={$config['load_balancer']['lbpool'][$i]['port']}:\\\n";
+				foreach ($config['load_balancer']['lbpool'][$i]['servers'] as $lbsvr) {
+					$svrtxt .= "\t:{$svrcnt}={$lbsvr}:\\\n";
+					$svrcnt++;
+				}
+				$slbdconf .= "\t:services={$svrcnt}:\\\n";
+				$slbdconf .= $svrtxt;
+			}
+		}
+		
+        	$slbdconf .= "\t:tcppoll:send=:expect=:\n";
+	}
+	fwrite($fd, $slbdconf);
+	fclose($fd);
+	mwexec("/usr/bin/pkill -9 slbd");
+	mwexec("/usr/local/sbin/slbd -c{$g['varetc_path']}/slbd.conf");
+}
+
+?>