From ba2a49e9875eda489385e370bb9f2259779caa7b Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 2 Dec 2014 19:22:48 +0100
Subject: Tweaks and fixes

---
 inc/taskmanagercallback.inc.php | 56 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

(limited to 'inc/taskmanagercallback.inc.php')

diff --git a/inc/taskmanagercallback.inc.php b/inc/taskmanagercallback.inc.php
index 3ef4745c..951a1de3 100644
--- a/inc/taskmanagercallback.inc.php
+++ b/inc/taskmanagercallback.inc.php
@@ -5,7 +5,7 @@
  */
 class TaskmanagerCallback
 {
-	
+
 	/**
 	 * Add a callback for given task id. This is the only exception in this class,
 	 * as this is not a callback, but a function to define one :)
@@ -31,6 +31,51 @@ class TaskmanagerCallback
 		));
 	}
 
+	/**
+	 * Get all pending callbacks from the callback table.
+	 *
+	 * @return array list of array(taskid => list of callbacks)
+	 */
+	public static function getPendingCallbacks()
+	{
+		$retval = array();
+		$res = Database::simpleQuery("SELECT taskid, cbfunction FROM callback");
+		while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
+			$retval[$row['taskid']][] = $row;
+		}
+		return $retval;
+	}
+
+	/**
+	 * Handle the given callback. Will delete the entry from the callback
+	 * table if appropriate.
+	 * 
+	 * @param array $callback entry from the callback table (cbfunction + taskid)
+	 * @param array $status status of the task as returned by the taskmanager. If NULL it will be queried.
+	 */
+	public static function handleCallback($callback, $status = NULL)
+	{
+		if (is_null($status))
+			$status = Taskmanager::status($callback['taskid']);
+		if ($status === false) // No reply from Taskmanager, retry later
+			return;
+		if (Taskmanager::isFailed($status) || Taskmanager::isFinished($status)) {
+			$del = Database::exec("DELETE FROM callback WHERE taskid = :task AND cbfunction = :cb LIMIT 1", array('task' => $callback['taskid'], 'cb' => $callback['cbfunction']));
+			if ($del === 0) // No entry deleted, so someone else must have deleted it - race condition, do nothing
+				return;
+		}
+		if (Taskmanager::isFinished($status)) {
+			$func = array('TaskmanagerCallback', preg_replace('/\W/', '', $callback['cbfunction']));
+			if (!call_user_func_array('method_exists', $func)) {
+				Eventlog::warning("handleCallback: Callback {$callback['cbfunction']} doesn't exist.");
+			} else {
+				call_user_func($func, $status);
+			}
+		}
+	}
+
+	// ####################################################################
+
 	/**
 	 * Result of trying to (re)launch ldadp.
 	 */
@@ -40,4 +85,13 @@ class TaskmanagerCallback
 			EventLog::warning("Could not start/stop LDAP-AD-Proxy instances", $task['data']['messages']);
 	}
 
+	public static function dbRestored($task)
+	{
+		error_log("dbRestored.");
+		if (Taskmanager::isFinished($task) && !Taskmanager::isFailed($task)) {
+			error_log("LOGGING.");
+			EventLog::info('Configuration backup restored.');
+		}
+	}
+
 }
-- 
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