From fefd3eee9a7d3ddf24084022aaef227d741dea68 Mon Sep 17 00:00:00 2001
From: Dereku <iam@derekunavailable.direct>
Date: Fri, 23 Oct 2026 08:59:59 +0700
Subject: [PATCH] Warm "hello" for the matscan. Removing garbage when shutting
 down a listener thread

---
 pom.xml                                           |  2 +-
 .../java/net/rubeta/legacyping/ServerThread.java  | 15 +++++++++++----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/pom.xml b/pom.xml
index 57901bf..ded2704 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>net.rubeta</groupId>
     <artifactId>LegacyPing</artifactId>
-    <version>2.1</version>
+    <version>2.2</version>
     <packaging>jar</packaging>
 
     <name>LegacyPing</name>
diff --git a/src/main/java/net/rubeta/legacyping/ServerThread.java b/src/main/java/net/rubeta/legacyping/ServerThread.java
index ef59f93..8448a5f 100644
--- a/src/main/java/net/rubeta/legacyping/ServerThread.java
+++ b/src/main/java/net/rubeta/legacyping/ServerThread.java
@@ -21,6 +21,7 @@ public class ServerThread extends Thread {
     private static final String DISCONNECT_REASON = "[\"\",{\"text\":\"This is b1.7.3 server. Visit \"}," +
             "{\"text\":\"https://rubeta.net\",\"underlined\":true},{\"text\":\" for more information.\"}]";
     private static final String SLOWSTACK_ID = "slowstack.tv";
+    private static final String MATSCAN_ID = "matscan";
     private final AtomicBoolean working = new AtomicBoolean(false);
     private final Server minecraftServer;
     private final String version;
@@ -86,12 +87,16 @@ public class ServerThread extends Thread {
                     final int port = inputStream.readShort();
                     final int status = this.readVarInt(inputStream);
                     this.logger.info("Ping from " + socket.getRemoteSocketAddress() + " to " + hostname + ":" + port);
-                    boolean slowstack = hostname.equalsIgnoreCase(SLOWSTACK_ID);
                     if (status != 2) {
-                        if (slowstack) {
+                        if (hostname.equalsIgnoreCase(SLOWSTACK_ID)) {
                             this.responseForModernPing(outputStream, MODERN_RESPONSE.replace(
                                     "%motd%", "%motd% \nHello, slowstack.tv!"
                             ));
+                        } else if (hostname.equalsIgnoreCase(MATSCAN_ID)) {
+                            this.responseForModernPing(outputStream, MODERN_RESPONSE
+                                    .replace("%motd%", "%motd% \nHello, matscan!")
+                                    .replace("%version%", "⚠ Error")
+                            );
                         } else {
                             this.responseForModernPing(outputStream, MODERN_RESPONSE);
                         }
@@ -116,8 +121,10 @@ public class ServerThread extends Thread {
                     outputStream.writeLong(inputStream.readLong()); // timestamp
                 } catch (SocketTimeoutException | EOFException ignore) {
                 } catch (Exception ex) {
-                    this.logger.warning("An exception occurred while communicating with " + address);
-                    this.logger.log(Level.WARNING, "Exception in " + this.getName(), ex);
+                    if (this.working.get()) {
+                        this.logger.warning("An exception occurred while communicating with " + address);
+                        this.logger.log(Level.WARNING, "Exception in " + this.getName(), ex);
+                    }
                 }
             }
         }