Tiny HTTP client layer on top of NetChat - and CTest support for some SimGear tests.

simgear/timing/timestamp.cxx

@@ -104,3 +104,10 @@ void SGTimeStamp::stamp() {
 #endif
 }
 
+int SGTimeStamp::elapsedMSec() const
+{
+    SGTimeStamp now;
+    now.stamp();
+    
+    return static_cast<int>((now - *this).toMSecs());
+}

simgear/timing/timestamp.hxx

@@ -195,6 +195,10 @@ public:
     static SGTimeStamp now()
     { SGTimeStamp ts; ts.stamp(); return ts; }
 
+    /**
+     * elapsed time since the stamp was taken, in msec
+     */
+    int elapsedMSec() const;
 private:
     SGTimeStamp(sec_type sec, nsec_type nsec)
     { setTime(sec, nsec); }