Add server connected event

api/src/main/java/net/md_5/bungee/api/event/ServerConnectedEvent.java

@@ -0,0 +1,30 @@
+package net.md_5.bungee.api.event;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.connection.Server;
+import net.md_5.bungee.api.plugin.Event;
+
+/**
+ * Not to be confused with {@link ServerConnectEvent}, this event is called once
+ * a connection to a server is fully operational, and is about to hand over
+ * control of the session to the player. It is useful if you wish to send
+ * information to the server before the player logs in.
+ */
+@Data
+@ToString(callSuper = true)
+@EqualsAndHashCode(callSuper = true)
+public class ServerConnectedEvent extends Event
+{
+
+    /**
+     * Player whom the server is for.
+     */
+    private final ProxiedPlayer player;
+    /**
+     * The server itself.
+     */
+    private final Server server;
+}

proxy/src/main/java/net/md_5/bungee/ServerConnection.java

@@ -8,9 +8,11 @@ import java.util.Queue;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import javax.crypto.SecretKey;
 import net.md_5.bungee.api.Callback;
+import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.ServerPing;
 import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.connection.Server;
+import net.md_5.bungee.api.event.ServerConnectedEvent;
 import net.md_5.bungee.packet.DefinedPacket;
 import net.md_5.bungee.packet.Packet1Login;
 import net.md_5.bungee.packet.Packet2Handshake;
@@ -81,7 +83,10 @@ public class ServerConnection extends GenericConnection implements Server
             }
             Packet1Login login = new Packet1Login(loginResponse);
 
-            return new ServerConnection(name, socket, in, out, login);
+            ServerConnection server = new ServerConnection(name, socket, in, out, login);
+            ServerConnectedEvent event = new ServerConnectedEvent(user, server);
+            ProxyServer.getInstance().getPluginManager().callEvent(event);
+            return server;
         } catch (KickException ex)
         {
             throw ex;