在寫程式的時候會在while迴圈中卡死，或者在介面中卡死等問題。這一切都可以通過超時函式來解決，讓你的程式跳出死迴圈。
下面將通過客服端和服務端給出乙個簡單的例子：包含了多執行緒、修飾函式、超時問題socket通訊等。
服務端，一直跑不斷線，等你來連線：
#!usr/bin/python3
# -*- coding:utf-8 -*-
# author:singweek
import socket
import random
import threading
import inspect
import ctypes
def _async_raise(tid, exctype):
tid = ctypes.c_long(tid)
if not inspect.isclass(exctype):
exctype = type(exctype)
res = ctypes.pythonapi.pythreadstate_setasyncexc(tid, ctypes.py_object(exctype))
if res == 0:
raise valueerror("invalid thread id")
elif res != 1:
ctypes.pythonapi.pythreadstate_setasyncexc(tid, none)
raise systemerror("pythreadstate_setasyncexc failed")
def stop_thread(thread):
_async_raise(thread.ident, systemexit)
def mytimeout(ctime):
"""修飾函式之超時函式
:param ctime:超時時間
:return:
"""ctime=ctime
def timeout(func):
def call():
t=threading.thread(target=func)
t.setdaemon(true)
t.start()
t.join(ctime)
# print("超時！")
return call
return timeout
class test():
def __init__(self):
bind_ip = "127.0.0.1"
bind_port = 8080 #這裡繫結的埠必須得和客戶端訪問的埠是一致的
self.server = socket.socket(socket.af_inet, socket.sock_stream)
self.server.bind((bind_ip, bind_port))
self.server.listen(9)
self.client=''
self.addr=''
self.flags=false
"""mytimeout修飾的函式自定義寫的是不能向裡面傳遞引數，所以通過class self來實現引數改變值的傳遞"""
def out(self):
@mytimeout(5)#設定5秒超時
def accept():
self.client=''
self.addr=''
self.client, self.addr = self.server.accept()
accept()
return self.client,self.addr
def handle_client(client_socket,data):
request = client_socket.recv(1024)
print("server received:%s" % request.decode())
tmp="服務端傳送資料：%s"%data
client_socket.send(tmp.encode())
client_socket.close()
recv=test()
data=[1,2,3,4,5,6,7,8,9,10]
flags=true
while true:
if flags==true:
print("----------------------------")
client, addr = recv.out()
if client!='' and addr!='':
# print("[*]accepted connection from:%s:%d" % (addr[0], addr[1]))
client_handler = threading.thread(target = handle_client, args = (client,data[random.randint(0,9)]))
client_handler.start()
else:
print(client, addr)
else:
pass
#!usr/bin/python3
# -*- coding:utf-8 -*-
# author:singweek
target_host = "127.0.0.1"
target_port = 8080
import socket
import time
def wifi_send_data(target_host = "127.0.0.1",target_port = 8080,data=''):
client = socket.socket(socket.af_inet, socket.sock_stream)
client.connect((target_host, target_port))
client.send(data.encode())
response = client.recv(4096).decode()
print(response)
time.sleep(2)
while true:
try:
wifi_send_data(data="測試時間%s"%time.time())
except exception as e:
print(e)
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