AJAX-ify the gmirror status widget. Add license header while I'm here.

2 files changed, 76 insertions, 31 deletions

diff --git a/usr/local/www/widgets/include/gmirror_status.inc b/usr/local/www/widgets/include/gmirror_status.inc
index 677be85..414c394 100644
--- a/usr/local/www/widgets/include/gmirror_status.inc
+++ b/usr/local/www/widgets/include/gmirror_status.inc
@@ -1,5 +1,31 @@
 <?php
-function get_gmirror_status() {
+/*
+    gmirror_status.widget.php
+    Copyright (C) 2009-2010 Jim Pingle
+
+    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.
+*/
+
+function gmirror_get_status() {
 	$status = "";
 	exec("/sbin/gmirror status", $status);
 	$mirrors = array();
@@ -28,4 +54,37 @@ function get_gmirror_status() {
 	}
 	/* Return an hash of mirrors and components */	
 	return $mirrors;
-} ?>
\ No newline at end of file
+}
+
+function gmirror_html_status() {
+	$mirrors = gmirror_get_status();
+	$output = "";
+	if (count($mirrors) > 0) {
+		$output .= "<tr>\n";
+		$output .= "<td width=\"40%\" class=\"vncellt\">Name</td>\n";
+		$output .= "<td width=\"40%\" class=\"vncellt\">Status</td>\n";
+		$output .= "<td width=\"20%\" class=\"vncellt\">Component</td>\n";
+		$output .= "</tr>\n";
+		foreach ($mirrors as $mirror => $name) {
+			$components = count($name["components"]);
+			$output .= "<tr>\n";
+			$output .= "<td width=\"40%\" rowspan=\"{$components}\" class=\"listr\">{$name['name']}</td>\n";
+			$output .= "<td width=\"40%\" rowspan=\"{$components}\" class=\"listr\">{$name['status']}</td>\n";
+			$output .= "<td width=\"20%\" class=\"listr\">{$name['components'][0]}</td>\n";
+			$output .= "</tr>\n";
+			if (count($name["components"]) > 1) {
+				$morecomponents = array_slice($name["components"], 1);
+				foreach ($morecomponents as $component) {
+					$output .= "<tr>\n";
+					$output .= "<td width=\"20%\" class=\"listr\">{$component}</td>\n";
+					$output .= "</tr>\n";
+				}
+			}
+		}
+	} else {
+		$output .= "<tr><td colspan=\"3\" class=\"listr\">No Mirrors Found</td></tr>\n";
+	}
+	// $output .= "<tr><td colspan=\"3\" class=\"listr\">Updated at " . date("F j, Y, g:i:s a") . "</td></tr>\n";
+	return $output;
+}
+?>
\ No newline at end of file
diff --git a/usr/local/www/widgets/widgets/gmirror_status.widget.php b/usr/local/www/widgets/widgets/gmirror_status.widget.php
index dcbcbc4..cd73a0f 100644
--- a/usr/local/www/widgets/widgets/gmirror_status.widget.php
+++ b/usr/local/www/widgets/widgets/gmirror_status.widget.php
@@ -1,7 +1,7 @@
 <?php
 /*
     gmirror_status.widget.php
-    Copyright (C) 2009 Jim Pingle
+    Copyright (C) 2009-2010 Jim Pingle
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions are met:
@@ -27,35 +27,21 @@
 
 require_once("/usr/local/www/widgets/include/gmirror_status.inc");
 
-$mirrors = get_gmirror_status();
-
+if ($_GET['textonly'] == "true") {
+	header("Cache-Control: no-cache");
+	echo gmirror_html_status();
+	exit;
+}
 ?>
 <table width="100%" border="0" cellspacing="0" cellpadding="0">
-	<tbody>
-<?php if (count($mirrors) > 0) { ?>
-		<tr>
-			<td width="40%" class="vncellt">Name</td>
-			<td width="40%" class="vncellt">Status</td>
-			<td width="20%" class="vncellt">Component</td>
-		</tr>
-	<?php foreach ($mirrors as $mirror => $name) { ?>
-		<tr>
-			<td width="40%" rowspan="<?= count($name["components"]) ?>" class="listr"><?= $name["name"] ?></td>
-			<td width="40%" rowspan="<?= count($name["components"]) ?>" class="listr"><?= $name["status"] ?></td>
-			<td width="20%" class="listr"><?= $name["components"][0] ?></td>
-		</tr>
-		<?php
-		if (count($name["components"]) > 1) {
-			$morecomponents = array_slice($name["components"], 1);
-			foreach ($morecomponents as $component) { ?>
-		<tr>
-			<td width="20%" class="listr"><?= $component ?></td>
-		</tr>
-		<?php	}
-		} ?>
-	<?php } ?>
-<?php } else { ?>
-		<tr><td colspan="3" class="listr">No Mirrors Found</td></tr>
-<?php } ?>
+	<tbody id="gmirror_status_table">
+		<?php echo gmirror_html_status(); ?>
 	</tbody>
 </table>
+
+<script type="text/javascript" language="javascript">
+  // <![CDATA[
+	var gmirrorupdater = new Ajax.PeriodicalUpdater('gmirror_status_table', '/widgets/widgets/gmirror_status.widget.php?textonly=true',
+	  { method: 'get', frequency: 5 } );
+  // ]]>
+</script>