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source/decompiled/de/maxhenkel/voicechat/debug/PingHandler.java

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+/*
+ * Decompiled with CFR 0.152.
+ * 
+ * Could not load the following classes:
+ *  io.netty.buffer.Unpooled
+ */
+package de.maxhenkel.voicechat.debug;
+
+import de.maxhenkel.voicechat.Voicechat;
+import de.maxhenkel.voicechat.util.FriendlyByteBuf;
+import de.maxhenkel.voicechat.voice.server.Server;
+import io.netty.buffer.Unpooled;
+import java.net.SocketAddress;
+import java.util.UUID;
+
+public class PingHandler {
+    public static final UUID PING_V1 = UUID.fromString("58bc9ae9-c7a8-45e4-a11c-efbb67199425");
+    private static final int PAYLOAD_SIZE = 24;
+
+    public static boolean onPacket(Server server, SocketAddress socketAddress, UUID playerID, FriendlyByteBuf buf) {
+        if (!Voicechat.SERVER_CONFIG.allowPings.get().booleanValue()) {
+            return false;
+        }
+        if (!PING_V1.equals(playerID)) {
+            return false;
+        }
+        try {
+            byte[] payload = buf.readByteArray(24);
+            FriendlyByteBuf buffer = new FriendlyByteBuf(Unpooled.wrappedBuffer((byte[])payload));
+            UUID id = buffer.readUUID();
+            long timestamp = buffer.readLong();
+            Voicechat.LOGGER.debug("Received ping {} from {}", id, socketAddress);
+            FriendlyByteBuf responseBuffer = new FriendlyByteBuf(Unpooled.buffer((int)24));
+            responseBuffer.writeUUID(id);
+            responseBuffer.writeLong(timestamp);
+            byte[] response = new byte[responseBuffer.readableBytes()];
+            responseBuffer.readBytes(response);
+            server.getSocket().send(response, socketAddress);
+        }
+        catch (Exception e) {
+            Voicechat.LOGGER.debug("Failed to send ping to {}: {}", socketAddress, e.getMessage());
+        }
+        return true;
+    }
+}
+