From ff7db27cd16ac5d7d842392fca074c43e30eb3f8 Mon Sep 17 00:00:00 2001
From: Lars Toenning <dev@ltoenning.de>
Date: Tue, 30 Apr 2019 10:03:20 +0200
Subject: [PATCH] swift: Add version number check

---
 src/Network/Swift/service.cpp | 10 ++++++++++
 src/Network/Swift/service.h   |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/src/Network/Swift/service.cpp b/src/Network/Swift/service.cpp
index b03f1bd82..1adb6b17c 100644
--- a/src/Network/Swift/service.cpp
+++ b/src/Network/Swift/service.cpp
@@ -49,6 +49,12 @@ const std::string& CService::ObjectPath()
     return s;
 }
 
+// Static method
+std::string CService::getVersionNumber()
+{
+    return fgGetString("/sim/version/flightgear");
+}
+
 void CService::addTextMessage(const std::string& text)
 {
     if (text.empty()) { return; }
@@ -320,6 +326,10 @@ DBusHandlerResult CService::dbusMessageHandler(const CDBusMessage& message_)
                 reply.appendArgument(pressAlt);
                 sendDBusMessage(reply);
             });
+        } else if (message.getMethodName() == "getVersionNumber") {
+            queueDBusCall([=]() {
+                sendDBusReply(sender, serial, getVersionNumber());
+            });
         } else if (message.getMethodName() == "getAircraftModelPath") {
             queueDBusCall([=]() {
                 sendDBusReply(sender, serial, getAircraftModelPath());
diff --git a/src/Network/Swift/service.h b/src/Network/Swift/service.h
index 27381b3c7..a8747e810 100644
--- a/src/Network/Swift/service.h
+++ b/src/Network/Swift/service.h
@@ -64,6 +64,9 @@ public:
     //! DBus object path
     static const std::string& ObjectPath();
 
+    //! Getting flightgear version
+    static std::string getVersionNumber();
+
     ////! Add a text message to the on-screen display, with RGB components in the range [0,1]
     void addTextMessage(const std::string& text);