python udp客户端超时机制
如果服务器套接字中生成的rand数小于4,则我的客户端套接字将在接收数据时挂起。我需要设置超时机制,允许客户端套接字检测到有“超时”,然后它将继续发送消息。 在我运行服务器套接字和客户端套接字之后,出现如下错误消息:python udp客户端超时机制,python,udp,serversocket,Python,Udp,Serversocket,如果服务器套接字中生成的rand数小于4,则我的客户端套接字将在接收数据时挂起。我需要设置超时机制,允许客户端套接字检测到有“超时”,然后它将继续发送消息。 在我运行服务器套接字和客户端套接字之后,出现如下错误消息: Traceback (most recent call last): File "E:\Studying\Python workspace\Client\src\Client.py", line 34, in <module> data , addr = client.
Traceback (most recent call last):
File "E:\Studying\Python workspace\Client\src\Client.py", line 34, in <module>
data , addr = client.recvfrom(1024)
socket.timeout: timed out
回溯(最近一次呼叫最后一次):
文件“E:\studing\Python workspace\Client\src\Client.py”,第34行,在
数据,addr=client.recvfrom(1024)
socket.timeout:超时
服务器套接字:
import random
from socket import *
serverSocket = socket(AF_INET , SOCK_DGRAM)
serverSocket.bind(('', 15000))
while True:
rand = random.randint(0, 10)
message , address = serverSocket.recvfrom (1024)
message = message.upper()
print("received message: ", message)
print("echo to address: ", address)
print(rand)
if rand < 4:
continue
print("Sending message: ", message)
serverSocket.sendto(message, address)
随机导入
从套接字导入*
serverSocket=socket(AF_INET,SOCK_DGRAM)
serverSocket.bind(“”,15000))
尽管如此:
rand=random.randint(0,10)
消息,地址=serverSocket.recvfrom(1024)
message=message.upper()
打印(“收到的消息:”,消息)
打印(“回送至地址:”,地址)
打印(兰特)
如果rand<4:
持续
打印(“发送消息:”,消息)
serverSocket.sendto(消息、地址)
客户端套接字
import socket
UDP_IP = "127.0.0.1"
RPORT = 15000
MESSAGE = "ping"
print("UDP target IP: ", UDP_IP)
print("UDP target port: ", RPORT)
print("message going to send: ", MESSAGE)
client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
i=1
while True:
try:
if(i<11):
client.sendto(MESSAGE.encode('utf_8'),(UDP_IP, RPORT))
print("sending message: ", MESSAGE)
print(i)
i=i+1
client.settimeout(2)
data , addr = client.recvfrom(1024)
print("received echo: ", data)
print("received at: " , addr )
finally:
print("closing socket")
client.close()
导入套接字
UDP_IP=“127.0.0.1”
RPORT=15000
MESSAGE=“ping”
打印(“UDP目标IP:,UDP_IP”)
打印(“UDP目标端口:”,RPORT)
打印(“要发送的消息:”,消息)
客户端=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
i=1
尽管如此:
尝试:
如果(iWell),settimeout()会产生异常。请尝试以下操作:
while True:
try:
if(i<11):
client.sendto(MESSAGE.encode('utf_8'),(UDP_IP, RPORT))
print("sending message: ", MESSAGE)
print(i)
i=i+1
client.settimeout(2)
data , addr = client.recvfrom(1024)
print("received echo: ", data)
print("received at: " , addr )
except socket.timeout:
print("closing socket")
client.close()
为True时:
尝试:
如果(i)