计算机网络课作业实验代码

import zipfile import os import re import time if __name__ == '__main__': import socket sock = socket.socket() sock.bind(('', 9066)) sock.listen(5) filedownadd = 'C:\Python27\chapter2\\' filedown = os.listdir(filedownadd) download = [] buf = [] funinclude = '' while True: filedown=[] filedown = os.listdir(filedownadd) funinclude = 'You can get :\n'+'\n'.join(filedown)+''' Input 'ask' can know what you can do Input 'get xxx (file name,just one)' Input 'need' then you write want you need(the endline must be '#') Input 'talk' then you can talk with us Input 'end' then over''' httphead = ''' Connection: close Date:''' httph1=' GMT'+''' Sever: / Content-Type: text/html ''' connection,address = sock.accept() try: #connection.settimeout(5) buf='' buf = connection.recv(512) comhead=[] ## 尝试多文件的情况 #if len(download)==0 and buf != '#': gethead = buf.split('\n') comhead = [] # if not ,the one will be added comhead = gethead[0].split(' ') if len(download)==0 and buf == '#': buf ='' connection.send('All file is end') connection.close() continue ##### if buf == 'ask': connection.send(funinclude) connection.close() continue #else: # connection.send('please go out!') if buf == 'need': print buf f=open('request01.txt','ab') f.write('\n'+address[0]+':\n') #f.write(' :\n') f.write(connection.recv(1024)) f.close() print 'need is end' connection.close() continue print buf print comhead if comhead[0].lower() != 'get' :#and len(download)==0: comhead=[] print 'not standard command!' connection.send('Not standard command!') connection.close() continue if comhead[len(comhead)-1].lower().startswith('http'): h = open('httprequest.txt','w') h.write(buf) h.close() if comhead[1]=='/': print 'sent inde0.html' try: f=open('index0.html','rb') connection.send('HTTP /1.1 200 OK'+httphead+time.ctime()+httph1) while True: line = f.readline() if len(line)==0: break connection.send(line) f.close() except: connection.send(open('notfound.html','rb').read()) print 'finish index.html' if comhead[1]!='/': connection.send(open('notfound.html','rb').read()) connection.close() #持续连接 continue if len(comhead)!=2: comhead=[] connection.send('Please use right call,like get filename(just one)') connection.close() continue if len(download)==0: download = comhead[1:] for i in range (0,1): #connection,address = sock.accept() flag = True for j in range(0,len(filedown)): if download[0]==filedown[j]: flag = False f=open(filedownadd+filedown[j],'rb') connection.send(download[0]) print download[0]+' sent out' while True: line = f.read(512) if len(line)==0: break connection.send(line) f.close() #connection.send('thisfileisend') connection.send('') print download[0]+' is end' if flag: connection.send(download[0]+' not find') #connection.close() download=download[1:] #connection.send('All file is end') print 'All file is end'+':' print download ## try except socket.timeout: print 'time out' connection.close() ##while print 'while out'