Server

mirai-core/src/main/java/net/mamoe/mirai/MiraiServer.java

@@ -5,8 +5,11 @@ import net.mamoe.mirai.event.MiraiEventManager;
 import net.mamoe.mirai.event.events.MiraiEvent;
 import net.mamoe.mirai.event.events.server.ServerDisableEvent;
 import net.mamoe.mirai.event.events.server.ServerEnableEvent;
+import net.mamoe.mirai.network.Network;
 import net.mamoe.mirai.task.MiraiTaskManager;
 
+import java.io.IOException;
+
 public class MiraiServer {
     @Getter
     private static MiraiServer instance;
@@ -16,8 +19,12 @@ public class MiraiServer {
         this.onLoad();
     }
 
+    boolean isEnabled;
+
     protected void shutdown(){
-        this.getEventManager().boardcastEvent(new ServerDisableEvent());
+        if(this.isEnabled) {
+            this.getEventManager().boardcastEvent(new ServerDisableEvent());
+        }
     }
 
 
@@ -26,12 +33,21 @@ public class MiraiServer {
     @Getter
     MiraiTaskManager taskManager;
 
+
     private void onLoad(){
 
         this.eventManager = MiraiEventManager.getInstance();
         this.taskManager = MiraiTaskManager.getInstance();
 
+        try {
+            Network.start(Network.getAvaliablePort());
+        } catch (InterruptedException | IOException e) {
+            e.printStackTrace();
+           this.shutdown();
+        }
+
         this.eventManager.boardcastEvent(new ServerEnableEvent());
+        this.isEnabled = true;
     }
 
 

mirai-core/src/main/java/net/mamoe/mirai/network/Network.java

@@ -10,6 +10,9 @@ import io.netty.channel.socket.nio.NioServerSocketChannel;
 import io.netty.handler.codec.bytes.ByteArrayDecoder;
 import io.netty.handler.codec.bytes.ByteArrayEncoder;
 
+import java.io.IOException;
+import java.net.ServerSocket;
+
 /**
  * JPRE 网络层启动器.
  * 本类用于启动网络服务器. 包接受器请参考 {@link NetworkPacketHandler}
@@ -55,4 +58,12 @@ public final class Network {
             workerGroup.shutdownGracefully();
         }
     }
+
+
+    public static int getAvaliablePort() throws IOException {
+        ServerSocket serverSocket =  new ServerSocket(0); //读取空闲的可用端口
+        int port = serverSocket.getLocalPort();
+        serverSocket.close();
+        return port;
+    }
 }