finish

UDP Ping程序实现/lab3.py

@@ -0,0 +1,28 @@
+from socket import *
+import random
+
+# 创建UDP套接字
+serverSocket = socket(AF_INET, SOCK_DGRAM)
+# 绑定本机IP地址和端口号
+serverSocket.bind(('', 12000))
+
+num=0
+while True:
+		
+	
+	# 接收客户端消息
+	message, address = serverSocket.recvfrom(1024)
+	# 将数据包消息转换为大写
+	message = message.upper()
+		
+    num=num+1
+    if num>=8:
+    	break
+
+    ########## Begin ##########
+    if num % 3 == 1:
+        continue
+    ########## End ##########
+    
+    #将消息传回给客户端
+	serverSocket.sendto(message, address)