python socket 轻量级服务器,pythonsocket,使用非阻塞加多线程的方式


使用非阻塞加多线程的方式,轻松实现python网络服务器框架。工作总结 由于Python天生的优点,特别适用于快速实现功能。

#!/usr/bin/python2.7import sysimport timeimport socket#import modbusimport threadingimport selectclass thread(threading.Thread):    def __init__(self,sock):        threading.Thread.__init__(self)        #self.commond=modbus.modbus()        self.sock=sock    def run(self):        time1=time.time()-10        time2=time.time()        try:            while True:                cr,cw,ce=select.select([self.sock],[],[self.sock],1)                time2=time.time()                if cr:#//can read                    stream=self.sock.recv(1024)                    if not stream:                        break                    #self.commond.parse(stream)                if ce:                    break                if time2-time1>10:#//10s write once                    #self.sock.send(self.commond.get_all_data_by_address(0x01))                    time1=time.time()        except Exception as error:            print(error)        finally:            self.sock.close()            print('connect closed') if __name__=='__main__':    sock=socket.socket(socket.AF_INET,socket.SOCK_STREAM)    sock.bind(('127.0.0.1',8000))    sock.listen(0)    thread_list=list()    try:        while True:            s,ip=sock.accept()            print('new connect :%s:%d'%(ip[0],ip[1]))            t=thread(s)            t.start()            thread_list.append(t)    finally:        sock.close()        for i in thread_list:            i.sock.close()        print('\b\blistening exit')

一个轻量级服务器程序,modbus模块是我进行数据的相关处理的逻辑,注释掉了。

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