fixed start/stop of webinterface from GUI

libretroshare/src/jsonapi/jsonapi.cpp

@@ -452,7 +452,22 @@ void JsonApiServer::setNewAccessRequestCallback(
         const std::function<bool (const std::string&)>& callback )
 { mNewAccessRequestCallback = callback; }
 
-void JsonApiServer::shutdown() { mService.stop(); }
+void JsonApiServer::shutdown()
+{
+    mService.stop();
+
+	RsThread::ask_for_stop();
+
+	std::cerr << "Stopping JsonApiServer" ;
+
+	while(isRunning())
+    {
+		sleep(1);
+        std::cerr << "." ;
+        std::cerr.flush();
+    }
+	std::cerr << std::endl;
+}
 
 bool JsonApiServer::requestNewTokenAutorization(const std::string& token)
 {

libretroshare/src/rsserver/p3webui.cc

@@ -144,7 +144,7 @@ public:
 
         try
         {
-			std::cerr << "Starting web service on port " << std::dec << _listening_port << std::endl;
+			std::cerr << "(II) Starting web service on port " << std::dec << _listening_port << std::endl;
 			_service->start( settings );
         }
         catch(std::exception& e)
@@ -153,7 +153,7 @@ public:
             return;
         }
 
-        std::cerr << "(II) Shutting down webui service." << std::endl;
+        std::cerr << "(II) webui service stopped." << std::endl;
 	}
     void stop()
     {
@@ -162,7 +162,10 @@ public:
         RsThread::ask_for_stop();
 
         while(isRunning())
-            sleep(1);
+        {
+			std::cerr << "(II) shutting down webui service." << std::endl;
+            rstime::rs_usleep(1000*1000);
+        }
     }
 
     void setListeningPort(uint16_t p) { _listening_port = p ; }

retroshare-gui/src/gui/settings/JsonApiPage.cc

@@ -48,6 +48,7 @@ bool JsonApiPage::updateParams(QString &errmsg)
 	bool changed = false;
 
 	bool enabled = ui.enableCheckBox->isChecked();
+
 	if( enabled != Settings->getJsonApiEnabled())
 	{
 		Settings->setJsonApiEnabled(enabled);
@@ -55,6 +56,7 @@ bool JsonApiPage::updateParams(QString &errmsg)
 	}
 
 	uint16_t port = static_cast<uint16_t>(ui.portSpinBox->value());
+
 	if(port != Settings->getJsonApiPort())
 	{
 		Settings->setJsonApiPort(port);
@@ -106,14 +108,17 @@ QString JsonApiPage::helpText() const { return ""; }
 
 /*static*/ void JsonApiPage::checkShutdownJsonApi()
 {
-	JsonApiServer::instance().shutdown();
+    if(!JsonApiServer::instance().isRunning())
+        return;
 
+	JsonApiServer::instance().shutdown();	// this is a blocking call until the thread is terminated.
+
+#ifdef SUSPENDED_CODE
 	/* It is important to make a copy of +jsonApiServer+ pointer so the old
 		 * object can be deleted later, while the original pointer is
 		 * reassigned */
 
-	QProgressDialog* pd = new QProgressDialog(
-	            "Stopping JSON API Server", QString(), 0, 3000);
+	QProgressDialog* pd = new QProgressDialog("Stopping JSON API Server", QString(), 0, 3000);
 	QTimer* prtm = new QTimer;
 	prtm->setInterval(16); // 60 FPS
 	connect( prtm, &QTimer::timeout,
@@ -131,6 +136,7 @@ QString JsonApiPage::helpText() const { return ""; }
 		prtm->deleteLater();
 		pd->deleteLater();
 	});
+#endif
 }
 
 void JsonApiPage::onApplyClicked(bool)

retroshare-gui/src/gui/settings/JsonApiPage.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>521</width>
-    <height>393</height>
+    <width>545</width>
+    <height>569</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -123,7 +123,7 @@
    <item>
     <widget class="QPushButton" name="applyConfigPushButton">
      <property name="text">
-      <string>Restart JSON API Server to apply settings</string>
+      <string>Apply settings</string>
      </property>
     </widget>
    </item>

retroshare-gui/src/gui/settings/WebuiPage.cpp

@@ -50,6 +50,8 @@ WebuiPage::WebuiPage(QWidget */*parent*/, Qt::WindowFlags /*flags*/)
     connect(ui.password_LE, SIGNAL(textChanged(QString)), this, SLOT(onPasswordValueChanged(QString)));
     connect(ui.startWebBrowser_PB, SIGNAL(clicked()), this, SLOT(onStartWebBrowserClicked()));
     connect(ui.webInterfaceFilesDirectory_PB, SIGNAL(clicked()), this, SLOT(selectWebInterfaceDirectory()));
+
+    checkStartWebui();
 }
 
 WebuiPage::~WebuiPage()
@@ -110,9 +112,9 @@ void WebuiPage::load()
 	whileBlocking(ui.port_SB)->setValue(Settings->getWebinterfacePort());
 	whileBlocking(ui.webInterfaceFiles_LE)->setText(Settings->getWebinterfaceFilesDirectory());
 	whileBlocking(ui.allIp_CB)->setChecked(Settings->getWebinterfaceAllowAllIps());
-	onEnableCBClicked(Settings->getWebinterfaceEnabled());
 }
 
+
 QString WebuiPage::helpText() const
 {
     return tr("<h1><img width=\"24\" src=\":/icons/help_64.png\">&nbsp;&nbsp;Webinterface</h1>  \
@@ -123,7 +125,7 @@ QString WebuiPage::helpText() const
 /*static*/ bool WebuiPage::checkStartWebui()
 {
     if(!Settings->getWebinterfaceEnabled())
-        return true;
+        return false;
 
     rsWebUI->setListeningPort(Settings->getWebinterfacePort());
     rsWebUI->setHtmlFilesDirectory(Settings->getWebinterfaceFilesDirectory().toStdString());
@@ -156,7 +158,11 @@ void WebuiPage::onEnableCBClicked(bool checked)
 	ui.apply_PB->setEnabled(checked);
 	ui.startWebBrowser_PB->setEnabled(checked);
 	QString S;
-	updateParams(S);
+
+    if(checked)
+        checkStartWebui();
+    else
+        checkShutdownWebui();
 }
 
 void WebuiPage::onPortValueChanged(int /*value*/)

retroshare-gui/src/main.cpp

@@ -572,10 +572,6 @@ feenableexcept(FE_INVALID | FE_DIVBYZERO);
 
 	notify->enable() ;	// enable notification system after GUI creation, to avoid data races in Qt.
 
-#ifdef RS_WEBUI
-    WebuiPage::checkStartWebui();
-#endif // ENABLE_WEBUI
-
 #ifdef RS_JSONAPI
 	JsonApiPage::checkStartJsonApi();
 #endif // RS_JSONAPI