Feat: Make connection data exposed in api less prone to throw errors (#4604)

* Feat: Make connection data exposed in api less prone to throw errors

* address reviews

* review

api/src/main/java/org/geysermc/geyser/api/event/connection/ConnectionRequestEvent.java

@@ -46,13 +46,35 @@ public final class ConnectionRequestEvent implements Event, Cancellable {
         this.proxyIp = proxyIp;
     }
 
+    /**
+     * The IP address of the client attempting to connect
+     *
+     * @return the IP address of the client attempting to connect
+     * @deprecated Use {@link #inetSocketAddress()} instead
+     */
+    @NonNull @Deprecated(forRemoval = true)
+    public InetSocketAddress getInetSocketAddress() {
+        return ip;
+    }
+
+    /**
+     * The IP address of the proxy handling the connection. It will return null if there is no proxy.
+     *
+     * @return the IP address of the proxy handling the connection
+     * @deprecated Use {@link #proxyIp()} instead
+     */
+    @Nullable @Deprecated(forRemoval = true)
+    public InetSocketAddress getProxyIp() {
+        return proxyIp;
+    }
+
     /**
      * The IP address of the client attempting to connect
      *
      * @return the IP address of the client attempting to connect
      */
     @NonNull
-    public InetSocketAddress getInetSocketAddress() {
+    public InetSocketAddress inetSocketAddress() {
         return ip;
     }
 
@@ -62,7 +84,7 @@ public final class ConnectionRequestEvent implements Event, Cancellable {
      * @return the IP address of the proxy handling the connection
      */
     @Nullable
-    public InetSocketAddress getProxyIp() {
+    public InetSocketAddress proxyIp() {
         return proxyIp;
     }
 

core/src/main/java/org/geysermc/geyser/network/GeyserServerInitializer.java

@@ -25,11 +25,8 @@
 
 package org.geysermc.geyser.network;
 
-import io.netty.buffer.ByteBuf;
 import io.netty.channel.Channel;
-import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.DefaultEventLoopGroup;
-import io.netty.channel.SimpleChannelInboundHandler;
 import io.netty.util.concurrent.DefaultThreadFactory;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.cloudburstmc.protocol.bedrock.BedrockPeer;
@@ -37,7 +34,6 @@ import org.cloudburstmc.protocol.bedrock.BedrockServerSession;
 import org.cloudburstmc.protocol.bedrock.netty.codec.packet.BedrockPacketCodec;
 import org.cloudburstmc.protocol.bedrock.netty.initializer.BedrockServerInitializer;
 import org.geysermc.geyser.GeyserImpl;
-import org.geysermc.geyser.api.event.bedrock.SessionInitializeEvent;
 import org.geysermc.geyser.session.GeyserSession;
 
 import java.net.InetSocketAddress;
@@ -72,7 +68,6 @@ public class GeyserServerInitializer extends BedrockServerInitializer {
             channel.pipeline().addAfter(BedrockPacketCodec.NAME, InvalidPacketHandler.NAME, new InvalidPacketHandler(session));
 
             bedrockServerSession.setPacketHandler(new UpstreamPacketHandler(this.geyser, session));
-            this.geyser.eventBus().fire(new SessionInitializeEvent(session));
         } catch (Throwable e) {
             // Error must be caught or it will be swallowed
             this.geyser.getLogger().error("Error occurred while initializing player!", e);

core/src/main/java/org/geysermc/geyser/network/UpstreamPacketHandler.java

@@ -54,6 +54,7 @@ import org.cloudburstmc.protocol.common.PacketSignal;
 import org.cloudburstmc.protocol.common.util.Zlib;
 import org.geysermc.geyser.Constants;
 import org.geysermc.geyser.GeyserImpl;
+import org.geysermc.geyser.api.event.bedrock.SessionInitializeEvent;
 import org.geysermc.geyser.api.network.AuthType;
 import org.geysermc.geyser.api.pack.PackCodec;
 import org.geysermc.geyser.api.pack.ResourcePack;
@@ -188,6 +189,9 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
             return PacketSignal.HANDLED;
         }
 
+        // Fire SessionInitializeEvent here as we now know the client data
+        geyser.eventBus().fire(new SessionInitializeEvent(session));
+
         PlayStatusPacket playStatus = new PlayStatusPacket();
         playStatus.setStatus(PlayStatusPacket.Status.LOGIN_SUCCESS);
         session.sendUpstreamPacket(playStatus);

core/src/main/java/org/geysermc/geyser/session/GeyserSession.java

@@ -1077,9 +1077,11 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
         if (!closed) {
             loggedIn = false;
 
-            // Fire SessionDisconnectEvent
             SessionDisconnectEvent disconnectEvent = new SessionDisconnectEvent(this, reason);
-            geyser.getEventBus().fire(disconnectEvent);
+            if (authData != null && clientData != null) { // can occur if player disconnects before Bedrock auth finishes
+                // Fire SessionDisconnectEvent
+                geyser.getEventBus().fire(disconnectEvent);
+            }
 
             // Disconnect downstream if necessary
             if (downstream != null) {
@@ -1404,7 +1406,7 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
 
     @Override
     public String name() {
-        return null;
+        return playerEntity != null ? javaUsername() : bedrockUsername();
     }
 
     @Override
@@ -1941,12 +1943,12 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
 
     @Override
     public @MonotonicNonNull String javaUsername() {
-        return playerEntity.getUsername();
+        return playerEntity != null ? playerEntity.getUsername() : null;
     }
 
     @Override
     public UUID javaUuid() {
-        return playerEntity.getUuid();
+        return playerEntity != null ? playerEntity.getUuid() : null ;
     }
 
     @Override