Posted in Python onJanuary 16, 2017
发送端可以不停的发送新文件,接收端可以不停的接收新文件。
例如:发送端输入:e:\visio.rar,接收端会默认保存为 e:\new_visio.rar,支持多并发,具体实现如下;
接收端:
方法一:
#-*- coding: UTF-8 -*- import socket,time,SocketServer,struct,os,thread host='192.168.50.74' port=12307 s=socket.socket(socket.AF_INET,socket.SOCK_STREAM) #定义socket类型 s.bind((host,port)) #绑定需要监听的Ip和端口号,tuple格式 s.listen(1) def conn_thread(connection,address): while True: try: connection.settimeout(600) fileinfo_size=struct.calcsize('128sl') buf = connection.recv(fileinfo_size) if buf: #如果不加这个if,第一个文件传输完成后会自动走到下一句 filename,filesize =struct.unpack('128sl',buf) filename_f = filename.strip('\00') filenewname = os.path.join('e:\\',('new_'+ filename_f)) print 'file new name is %s, filesize is %s' %(filenewname,filesize) recvd_size = 0 #定义接收了的文件大小 file = open(filenewname,'wb') print 'stat receiving...' while not recvd_size == filesize: if filesize - recvd_size > 1024: rdata = connection.recv(1024) recvd_size += len(rdata) else: rdata = connection.recv(filesize - recvd_size) recvd_size = filesize file.write(rdata) file.close() print 'receive done' #connection.close() except socket.timeout: connection.close() while True: connection,address=s.accept() print('Connected by ',address) #thread = threading.Thread(target=conn_thread,args=(connection,address)) #使用threading也可以 #thread.start() thread.start_new_thread(conn_thread,(connection,address)) s.close()
方法二:
#-*- coding: UTF-8 -*- import socket,time,SocketServer,struct,os host='192.168.50.74' port=12307 ADDR=(host,port) class MyRequestHandler(SocketServer.BaseRequestHandler): def handle(self): print('connected from:', self.client_address) while True: fileinfo_size=struct.calcsize('128sl') #定义文件信息。128s表示文件名为128bytes长,l表示一个int或log文件类型,在此为文件大小 self.buf = self.request.recv(fileinfo_size) if self.buf: #如果不加这个if,第一个文件传输完成后会自动走到下一句 self.filename,self.filesize =struct.unpack('128sl',self.buf) #根据128sl解包文件信息,与client端的打包规则相同 print 'filesize is: ',self.filesize,'filename size is: ',len(self.filename) #文件名长度为128,大于文件名实际长度 self.filenewname = os.path.join('e:\\',('new_'+ self.filename).strip('\00')) #使用strip()删除打包时附加的多余空字符 print self.filenewname,type(self.filenewname) recvd_size = 0 #定义接收了的文件大小 file = open(self.filenewname,'wb') print 'stat receiving...' while not recvd_size == self.filesize: if self.filesize - recvd_size > 1024: rdata = self.request.recv(1024) recvd_size += len(rdata) else: rdata = self.request.recv(self.filesize - recvd_size) recvd_size = self.filesize file.write(rdata) file.close() print 'receive done' #self.request.close() tcpServ = SocketServer.ThreadingTCPServer(ADDR, MyRequestHandler) print('waiting for connection...' ) tcpServ.serve_forever()
发送端:
#-*- coding: UTF-8 -*- import socket,os,struct s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) s.connect(('192.168.50.74',12307)) while True: filepath = raw_input('Please Enter chars:\r\n') if os.path.isfile(filepath): fileinfo_size=struct.calcsize('128sl') #定义打包规则 #定义文件头信息,包含文件名和文件大小 fhead = struct.pack('128sl',os.path.basename(filepath),os.stat(filepath).st_size) s.send(fhead) print 'client filepath: ',filepath # with open(filepath,'rb') as fo: 这样发送文件有问题,发送完成后还会发一些东西过去 fo = open(filepath,'rb') while True: filedata = fo.read(1024) if not filedata: break s.send(filedata) fo.close() print 'send over...' #s.close()
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持三水点靠木。
Python Socket传输文件示例
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