Added event listener for thread state changed events from the DebugServer, within Insight.

This covers cases where the DebugServer has unexpectedly shutdown and Insight should follow.

src/Insight/Insight.cpp

@@ -45,6 +45,10 @@ void Insight::startup() {
         std::bind(&Insight::onTargetControllerThreadStateChangedEvent, this, std::placeholders::_1)
     );
 
+    this->eventListener->registerCallbackForEventType<Events::DebugServerThreadStateChanged>(
+        std::bind(&Insight::onDebugServerThreadStateChangedEvent, this, std::placeholders::_1)
+    );
+
     auto targetDescriptor = this->targetControllerConsole.getTargetDescriptor();
 
 #ifndef BLOOM_DEBUG_BUILD
@@ -132,3 +136,10 @@ void Insight::onTargetControllerThreadStateChangedEvent(const Events::TargetCont
         this->shutdown();
     }
 }
+
+void Insight::onDebugServerThreadStateChangedEvent(const Events::DebugServerThreadStateChanged& event) {
+    if (event.getState() == ThreadState::STOPPED) {
+        // Something horrible has happened with the DebugServer
+        this->shutdown();
+    }
+}

src/Insight/Insight.hpp

@@ -90,6 +90,14 @@ namespace Bloom
          */
         void onTargetControllerThreadStateChangedEvent(const Events::TargetControllerThreadStateChanged& event);
 
+        /**
+         * If the something horrible was to happen and the DebugServer dies unexpectedly, Insight will shutdown
+         * in response.
+         *
+         * @param event
+         */
+        void onDebugServerThreadStateChangedEvent(const Events::DebugServerThreadStateChanged& event);
+
         /**
          * Dispatches any events currently in the queue.
          *