Send a ping every minute to keep connection alive

gradle.properties

@@ -9,14 +9,14 @@ yarn_mappings=1.20.1+build.10
 loader_version=0.16.7
 
 # Mod Properties
-mod_version=1.7.4
+mod_version=1.7.5
 maven_group=cc.reconnected
 archives_base_name=rcc-chatbox
 
 # Dependencies
 fabric_version=0.92.2+1.20.1
 
-rccserver_version=1.14.3
+rccserver_version=1.15.0
 rccdiscord_version=1.7.8
 
 permissions_api_version=0.2-SNAPSHOT

src/main/java/cc/reconnected/chatbox/Chatbox.java

@@ -1,13 +1,15 @@
 package cc.reconnected.chatbox;
 
 import cc.reconnected.chatbox.command.ChatboxCommand;
+import cc.reconnected.chatbox.packets.serverPackets.PingPacket;
 import cc.reconnected.chatbox.state.StateSaverAndLoader;
 import com.google.gson.Gson;
 import cc.reconnected.chatbox.license.LicenseManager;
 import cc.reconnected.chatbox.ws.WsServer;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
+import net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents;
 import net.minecraft.util.WorldSavePath;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -76,6 +78,13 @@ public void onInitialize() {
             serverState = StateSaverAndLoader.getServerState(server);
         });
 
+        var delay = 60 * 20;
+        ServerTickEvents.END_SERVER_TICK.register(server -> {
+            if(server.getTicks() % delay == 0) {
+                var pingPacket = new PingPacket();
+                wss.broadcastEvent(pingPacket, null);
+            }
+        });
 
         ChatboxEvents.register();
     }

src/main/java/cc/reconnected/chatbox/packets/serverPackets/PingPacket.java

@@ -0,0 +1,7 @@
+package cc.reconnected.chatbox.packets.serverPackets;
+
+public class PingPacket extends PacketBase {
+    public PingPacket() {
+        this.type = "ping";
+    }
+}

src/main/java/cc/reconnected/chatbox/ws/WsServer.java

@@ -236,21 +236,22 @@ public void onStart() {
     public void broadcastEvent(Object packet, @Nullable Capability capability) {
         var msg = Chatbox.GSON.toJson(packet);
 
-        List<WebSocket> recipients;
         if (capability == null) {
-            recipients = clients.keySet().stream().toList();
+            broadcast(msg);
         } else {
-            recipients = clients
+            var recipients = clients
                     .entrySet()
                     .stream()
                     .filter(e -> e.getValue().license.capabilities().contains(capability))
                     .map(Map.Entry::getKey)
                     .toList();
-        }
 
-        for (var conn : recipients) {
-            conn.send(msg);
+            for (var conn : recipients) {
+                conn.send(msg);
+            }
         }
+
+
     }
 
     public void broadcastOwnerEvent(Object packet, @Nullable Capability capability, UUID ownerId) {

src/main/resources/fabric.mod.json

@@ -27,7 +27,7 @@
 		"minecraft": "~1.20.1",
 		"java": ">=17",
 		"fabric-api": "*",
-		"rcc-server": ">=1.14.3",
+		"rcc-server": ">=1.15.0",
 		"rcc-discord": ">=1.7.8",
 		"luckperms": ">=5.4"
 	}