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Python socket上传文件的服务端和客户端达成

发布时间:2021-11-24 19:19:55 所属栏目:教程 来源:互联网
导读:代码均已测试:希望高人能指点一二 服务端: #coding=gbk 等待连接 等待发送文件 读取数据 写入文件并且保存 等待连接 import socket import threading import time import struct def function(newsock, address): FILEINFO_SIZE = struct.calcsize(128sI)
代码均已测试:希望高人能指点一二
 
服务端:
 
 
#coding=gbk  
'''''
等待连接
等待发送文件
读取数据
写入文件并且保存
等待连接
'''  
import socket  
import threading  
import time  
import struct  
def function(newsock, address):  
    FILEINFO_SIZE = struct.calcsize('128sI')  
    '''''定义文件信息(包含文件名和文件大小)大小。128s代表128个char[](文件名),I代表一个integer or long(文件大小)'''  
    while 1:       
        try:  
            fhead = newsock.recv(FILEINFO_SIZE)  
            filename, filesize = struct.unpack('128sI', fhead)  
            '''''把接收到的数据库进行解包,按照打包规则128sI'''  
            print "address is: ",address  
            print filename, len(filename),type(filename)  
            print filesize  
            filename = 'new_'+filename.strip('0')#命名新文件new_传送的文件  
            fp = open(filename,'wb')#新建文件,并且准备写入  
            restsize = filesize  
            print "recving..."  
            while 1:  
                if restsize > 1024:#如果剩余数据包大于1024,就去1024的数据包  
                    filedata = newsock.recv(1024)  
                else:  
                    filedata = newsock.recv(restsize)  
                    fp.write(filedata)  
                    break  
                if not filedata:  
                    break  
                fp.write(filedata)  
                restsize = testsize - len(filedata)#计算剩余数据包大小  
                if restsize <= 0:  
                    break  
            fp.close()  
            print "recv succeeded !!File named:",filename  
        except:  
            print "he socket partner maybe closed"  
            newsock.close()  
            break  
sock=socket.socket(socket.AF_INET, socket.SOCK_STREAM)#创建tcp连接  
sock.bind(('127.0.0.1',8887))#定于端口和ip  
sock.listen(5)#监听  
while True:  
    newsock, address = sock.accept()  
    print "accept another connection"  
    tmpThread = threading.Thread(target=function,args=(newsock,address)) #如果接收到文件,创建线程  
    tmpThread.start()#执行线程  
print 'end'  
 
 
 
客户端:
#coding=gbk  
'''''
输入文件名,并且上传
'''  
import socket  
import time  
import struct  
import os  
sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)  
sock.settimeout(1)  
e=0  
try:  
    sock.connect(('127.0.0.1',8887))  
    print 'connect...'  
except socket.timeout,e:  
    print 'timeout',e  
except socket.error,e:  
    print 'error',e  
except e:  
    print 'any',e  
if not e:  
    while (1):  
        filename = raw_input('input your filename------->')#输入文件名  
        FILEINFO_SIZE = struct.calcsize('128sI')#编码格式大小  
        fhead = struct.pack('128sI',filename,os.stat(filename).st_size)#按照规则进行打包  
        sock.send(fhead)#发送文件基本信息数据  
        fp = open(filename,'rb')  
        while 1:        #发送文件  
            filedata = fp.read(1024)  
            if not filedata:  
                break  
            sock.send(filedata)  
        print "sending over..."  
        fp.close()  

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