From ce882b749e28f4322046e84556d5eed196d6220b Mon Sep 17 00:00:00 2001
From: jim-p <jimp@pfsense.org>
Date: Mon, 22 Apr 2013 15:38:51 -0400
Subject: Add a way for quagga to determine if it should run based on the CARP
 status of a specified VIP.

---
 config/quagga_ospfd/quagga_ospfd.inc | 33 ++++++++++++++++++++++++++++++++-
 config/quagga_ospfd/quagga_ospfd.xml |  9 ++++++++-
 2 files changed, 40 insertions(+), 2 deletions(-)

(limited to 'config/quagga_ospfd')

diff --git a/config/quagga_ospfd/quagga_ospfd.inc b/config/quagga_ospfd/quagga_ospfd.inc
index 598d3c00..46037bd9 100644
--- a/config/quagga_ospfd/quagga_ospfd.inc
+++ b/config/quagga_ospfd/quagga_ospfd.inc
@@ -290,7 +290,24 @@ EOF;
 	exec("chmod u+rw,go-rw {$quagga_config_base}/zebra.conf");
 
 	// Kick off newly created rc.d script
-	exec("/usr/local/etc/rc.d/quagga.sh restart");
+	if (is_ipaddr($ospfd_conf['carpstatusip'])) {
+		$status = quagga_get_carp_status_by_ip($ospfd_conf['carpstatusip']);
+		switch (strtoupper($status)) {
+			// Stop the service if the VIP is in BACKUP or INIT state.
+			case "BACKUP":
+			case "INIT":
+				exec("/usr/local/etc/rc.d/quagga.sh stop");
+				break;
+			// Start the service if the VIP is MASTER state.
+			case "MASTER":
+			// Assume it's up if the status can't be determined.
+			default:
+				exec("/usr/local/etc/rc.d/quagga.sh restart");
+				break;
+		}
+	} else {
+		exec("/usr/local/etc/rc.d/quagga.sh restart");
+	}
 
 	// Back to RO mount for NanoBSD and friends
 	conf_mount_ro();
@@ -345,4 +362,18 @@ function quagga_ospfd_put_raw_config($conffile) {
 	}
 }
 
+function quagga_get_carp_status_by_ip($ipaddr) {
+	$iface = find_carp_interface($ipaddr);
+	if ($iface) {
+		$status = get_carp_interface_status($iface);
+		// If there is no status for that interface, return null.
+		if (!$status)
+			$status = null;
+	} else {
+		// If there is no VIP by that IP, return null.
+		$status = null;
+	}
+	return $status;
+}
+
 ?>
diff --git a/config/quagga_ospfd/quagga_ospfd.xml b/config/quagga_ospfd/quagga_ospfd.xml
index 3348dff3..c48d0f47 100644
--- a/config/quagga_ospfd/quagga_ospfd.xml
+++ b/config/quagga_ospfd/quagga_ospfd.xml
@@ -1,6 +1,6 @@
 <packagegui>
 	<name>quagga_ospfd</name>
-	<version>0.5.2</version>
+	<version>0.5.3</version>
 	<title>Services: Quagga OSPFd</title>
 	<include_file>/usr/local/pkg/quagga_ospfd.inc</include_file>
 	<aftersaveredirect>pkg_edit.php?xml=quagga_ospfd.xml&amp;id=0</aftersaveredirect>
@@ -176,6 +176,13 @@
 				</rowhelperfield>
 			</rowhelper>
 		</field>
+		<field>
+			<fielddescr>CARP Status IP</fielddescr>
+			<fieldname>carpstatusip</fieldname>
+			<description>IP address used to determine the CARP status. When the VIP is in BACKUP status, quagga will not be started. &lt;br/&gt;NOTE: Requires changes to /etc/rc.carpmaster to start quagga and /etc/rc.carpbackup to stop quagga or it will not be fully effective.</description>
+			<type>input</type>
+			<size>25</size>
+		</field>
 	</fields>
 	<custom_php_resync_config_command>
 		quagga_ospfd_install_conf();
-- 
cgit v1.2.3