added a network simulator. Basically exchanges data between peers and visualize the stats of each peer. The basics is here (network draw, data exchange, visualization of turtle router data). The real experiments must now be implemented: adding file requests to create TR, etc

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5619 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/tests/network_simulator/RsAutoUpdatePage.cpp

@@ -0,0 +1,47 @@
+#include <QTimer>
+#include "RsAutoUpdatePage.h"
+
+bool RsAutoUpdatePage::_locked = false ;
+
+RsAutoUpdatePage::RsAutoUpdatePage(int ms_update_period, QWidget *parent, Qt::WindowFlags flags)
+	: QWidget(parent, flags)
+{
+	_timer = new QTimer ;
+	_timer->setInterval(ms_update_period);
+	_timer->setSingleShot(true);
+
+	QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(timerUpdate())) ;
+
+	_timer->start() ;
+}
+
+RsAutoUpdatePage::~RsAutoUpdatePage()
+{
+	if(_timer != NULL)
+		delete _timer ;
+
+	_timer = NULL ;
+}
+
+void RsAutoUpdatePage::showEvent(QShowEvent */*event*/)
+{
+        //std::cout << "RsAutoUpdatePage::showEvent() In show event !!" << std::endl ;
+	if(!_locked)
+		updateDisplay();
+}
+
+void RsAutoUpdatePage::timerUpdate()
+{
+	// only update when the widget is visible.
+	//
+	if(_locked == false && isVisible()) {
+		updateDisplay();
+		update() ;				// Qt flush
+	}
+
+	_timer->start() ;
+}
+
+void RsAutoUpdatePage::lockAllEvents() { _locked = true ; }
+void RsAutoUpdatePage::unlockAllEvents() { _locked = false ; }
+bool RsAutoUpdatePage::eventsLocked() { return _locked ; }