From 8bbcc1db8b976a9ccfdcac1dcde5a15c01495d60 Mon Sep 17 00:00:00 2001
From: vogelor <vogelor@ispconfig3>
Date: Sat, 26 Mar 2011 17:57:52 -0400
Subject: [PATCH] monitor: enhanced the apache-check -> noe we also check if apache was able to send data and not only to establish a connection

---
 server/lib/classes/monitor_tools.inc.php |   45 ++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/server/lib/classes/monitor_tools.inc.php b/server/lib/classes/monitor_tools.inc.php
index 1e33ea7..2fbd402 100644
--- a/server/lib/classes/monitor_tools.inc.php
+++ b/server/lib/classes/monitor_tools.inc.php
@@ -332,7 +332,7 @@
 
 		/* the ISPC-Version has no state. It is, what it is */
 		$state = 'no_state';
-		
+
 		/*
 		 * Return the Result
 		 */
@@ -446,7 +446,7 @@
 		 * maybe someone knows better...???...
 		 */
 		$state = 'no_state';
-		
+
 		/*
 		 * Return the Result
 		 */
@@ -607,7 +607,7 @@
 				$state = 'error'; // because service is down
 			}
 		}
-		
+
 		/*
 		 * Return the Result
 		 */
@@ -791,6 +791,28 @@
 				$state = 'info';
 				$data['output'] = shell_exec('glsa-check -pv --nocolor affected 2>/dev/null');
 			}
+		} elseif (file_exists('/etc/SuSE-release')) {
+
+			/*
+			 * update and find the upgrade.
+			 * if there is any output, then there is a needed update
+			 */
+			$aptData = shell_exec('zypper -q lu');
+			if ($aptData == '') {
+				/* There is nothing to update! */
+				$state = 'ok';
+			} else {
+				/*
+				 * There is something to update! this is in most cases not critical, so we can
+				 * do a system-update once a month or so...
+				 */
+				$state = 'info';
+			}
+
+			/*
+			 * Fetch the output
+			 */
+			$data['output'] = shell_exec('zypper --non-interactive up');
 		} else {
 			/*
 			 * It is not Debian/Ubuntu, so there is no data and no state
@@ -1070,6 +1092,7 @@
 	}
 
 	public function monitorSysLog() {
+		global $app;
 		global $conf;
 
 		/* the id of the server as int */
@@ -1512,10 +1535,22 @@
 		$fp = @fsockopen($host, $port, $errno, $errstr, 2);
 
 		if ($fp) {
+			/*
+			 * We got a connection, but maybe apache is not able to send data over this
+			 * connection?
+			 */
+		    fwrite($fp, "GET / HTTP/1.0\r\n\r\n");
+			stream_set_timeout($fp, 2);
+			$res = fread($fp, 10);
+		    $info = stream_get_meta_data($fp);
 			fclose($fp);
-			return true;
+		    if ($info['timed_out']) {
+				return false; // Apache was not able to send data over this connection
+		    } else {
+				return true; // Apache was able to send data over this connection
+			}			
 		} else {
-			return false;
+			return false; // Apache was not able to establish a connection
 		}
 	}
 

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