From a005cef7f69cfeca6e5c083ea8b7ebc45fe5207c Mon Sep 17 00:00:00 2001
From: Christian Klinger
Date: Mon, 9 May 2016 17:53:24 +0200
Subject: Priorities for rooms.

---
 src/client/toolbar/toolbar.cpp | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

(limited to 'src/client/toolbar/toolbar.cpp')

diff --git a/src/client/toolbar/toolbar.cpp b/src/client/toolbar/toolbar.cpp
index 64fc5dc..73a7588 100644
--- a/src/client/toolbar/toolbar.cpp
+++ b/src/client/toolbar/toolbar.cpp
@@ -189,8 +189,11 @@ void Toolbar::enterEvent(QEvent* e)
 	QWidget::enterEvent(e);
 }
 
+/** Identifies the responsible manager for this client by searching through the
+ * configuration file. The manager whose room has the highest priority is chosen. */
 QString Toolbar::identifyMgrIP()
 {
+    qDebug() << "identify mgr ip";
 	SYSTEM_SETTINGS(conf);
 
 	if (!conf.contains("rooms")) {
@@ -201,40 +204,41 @@ QString Toolbar::identifyMgrIP()
 	QStringList rooms = conf.value("rooms").toStringList();
 	// qDebug() << rooms;
 
-	for (auto i : rooms)
-	{
-		qDebug() << "i: " << i;
+    /* go through all rooms and check if this client is a member of the room. */
+    int last_priority = -1;
+    QString last_mgr_ip = "";
+	for (auto i : rooms) {
 		conf.beginGroup(i);
 		if (!conf.contains("mgrIP")) {
 			qDebug() << "Invalid config file!";
 			return "";
 		}
+        QString mgr_candidate= conf.value("mgrIP").toString();
+        int priority = conf.value("priority").toInt();
 
-		// Find the managerIP of current room.
-		QString mgrIP = conf.value("mgrIP").toString();
-		foreach (const QHostAddress &address, QNetworkInterface::allAddresses())
-		{
+		foreach (const QHostAddress &address, QNetworkInterface::allAddresses()) {
 			int size = conf.beginReadArray("client");
 			for (int j = 0; j < size; ++j) {
 				conf.setArrayIndex(j);
 				/*
-				 *
 				 *  CFG to test this
 				 *  http://git.openslx.org/tm-scripts.git/plain/server/modules/pvs2-freiburg/etc/xdg/openslx/pvs2client.ini
 				 *
 				 */
 				QString ip = conf.value("ip").toString();
-				if (address != QHostAddress(QHostAddress::LocalHost) && ip == address.toString())
-				{
-					qDebug("Found this ip in config.");
-					return mgrIP;
+				if (address != QHostAddress(QHostAddress::LocalHost)
+                      && ip == address.toString() &&
+                      priority > last_priority) {
+                        last_priority = priority;
+                        last_mgr_ip = mgr_candidate;
 				}
 			}
 			conf.endArray();
 		}
 		conf.endGroup();
 	}
-	return "";
+    qDebug() << "best mgr ip is " << last_mgr_ip << " with priority = " << last_priority;
+    return last_mgr_ip;
 }
 
 /*
-- 
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