Working on getting diagnostics working

src/services/web_service.cpp

@@ -128,6 +128,7 @@ Firmware Version: <div id="firmware_version">Loading...</div>
 void WebService::broadcastState()
 {
     DiagnosticSample diagnostics = diagnosticsState.getCurrent();
+    Serial.println(diagnostics.freeHeap);
     String json = "{";
 
     // Opening system tag:
@@ -148,6 +149,7 @@ void WebService::broadcastState()
 
     json += "\"free_heap\":\"";
     json += diagnostics.freeHeap;
+    //json += ESP.getFreeHeap();
     json += "\",";
 
     json += "\"minimum_free_heap\":\"";
@@ -165,7 +167,7 @@ void WebService::broadcastState()
     json += "}";
 
 
-    Serial.println(json);
+    //Serial.println(json);
     webSocket.broadcastTXT(json);
 }
 
@@ -179,6 +181,16 @@ void WebService::begin() {
                     );    
     });
 
+    #ifdef DEBUGGING
+    // Prints out paths that are requested but not found.
+    server.onNotFound([this]() {
+        Serial.print("HTTP not found: ");
+        Serial.println(server.uri());
+        
+        server.send(404, "text/plain", "Not found");
+    });
+    #endif
+    
     server.begin();
 
     webSocket.begin();