added webhelper and added offline check to close #722

src/main/java/me/zeroeightsix/kami/module/modules/player/LagNotifier.java

@@ -8,13 +8,17 @@ import me.zeroeightsix.kami.module.Module;
 import me.zeroeightsix.kami.setting.Setting;
 import me.zeroeightsix.kami.setting.Settings;
 import me.zeroeightsix.kami.util.Wrapper;
+import net.minecraft.client.gui.GuiChat;
 
 import static me.zeroeightsix.kami.gui.kami.DisplayGuiScreen.getScale;
 import static me.zeroeightsix.kami.util.MathsUtils.round;
+import static me.zeroeightsix.kami.util.WebHelper.isDown;
 
 /**
  * @author dominikaaaa
  * Thanks Brady and cooker and leij for helping me not be completely retarded 
+ *
+ * Updated by dominikaaaa on 19/04/20
  */
 @Module.Info(
         name = "LagNotifier",
@@ -24,11 +28,20 @@ import static me.zeroeightsix.kami.util.MathsUtils.round;
 public class LagNotifier extends Module {
     private Setting<Double> timeout = register(Settings.doubleBuilder().withName("Timeout").withValue(1.0).withMinimum(0.0).withMaximum(10.0).build());
     private long serverLastUpdated;
+    String text = "Server Not Responding! ";
 
     @Override
     public void onRender() {
+        if (mc.currentScreen != null && !(mc.currentScreen instanceof GuiChat)) return;
         if (!(timeout.getValue() * 1000L <= System.currentTimeMillis() - serverLastUpdated)) return;
-        String text = "Server Not Responding! " + timeDifference() + "s";
+        if (shouldPing()) {
+            if (isDown("google.com", 80, 1000)) {
+                text = "Your internet is offline! ";
+            } else {
+                text = "Server Not Responding! ";
+            }
+        }
+        text = text.replaceAll("! .*", "! " + timeDifference() + "s");
         FontRenderer renderer = Wrapper.getFontRenderer();
 
         int divider = getScale();
@@ -42,4 +55,14 @@ public class LagNotifier extends Module {
     private double timeDifference() {
         return round((System.currentTimeMillis() - serverLastUpdated) / 1000d, 1);
     }
+
+    private static long startTime = 0;
+    private boolean shouldPing() {
+        if (startTime == 0) startTime = System.currentTimeMillis();
+        if (startTime + 1000 <= System.currentTimeMillis()) { // 1 second
+            startTime = System.currentTimeMillis();
+            return true;
+        }
+        return false;
+    }
 }

src/main/java/me/zeroeightsix/kami/util/WebHelper.java

@@ -0,0 +1,21 @@
+package me.zeroeightsix.kami.util;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+
+/**
+ * @author balusc (StackOverflow ID 157882)
+ *
+ * https://stackoverflow.com/questions/3584210/preferred-java-way-to-ping-an-http-url-for-availability#3584332
+ */
+public class WebHelper {
+    public static boolean isDown(String host, int port, int timeout) {
+        try (Socket socket = new Socket()) {
+            socket.connect(new InetSocketAddress(host, port), timeout);
+            return false;
+        } catch (IOException e) {
+            return true; // Either timeout or unreachable or failed DNS lookup.
+        }
+    }
+}