900字范文,内容丰富有趣,生活中的好帮手!
900字范文 > python发送文件_python:socket传输大文件

python发送文件_python:socket传输大文件

时间:2022-11-02 22:29:12

相关推荐

python发送文件_python:socket传输大文件

文件可以传输,但是对比传输前后的文件:socket_test.txt,末尾有一些不一致

服务端代码:

#!/usr/bin/python

# -*- coding: utf-8 -*-

import sys

reload(sys)

sys.setdefaultencoding("utf-8")

import time

'''

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('\00') # 命名新文件new_传送的文件

filename = filename.strip('\00')

fp = open(filename, 'wb') # 新建文件,并且准备写入

restsize = filesize

print "recving..."

while 1:

if restsize > 102400: # 如果剩余数据包大于1024,就去1024的数据包

filedata = newsock.recv(10240)

else:

filedata = newsock.recv(restsize)

fp.write(filedata)

#break

if not filedata:

break

fp.write(filedata)

restsize = restsize - len(filedata) # 计算剩余数据包大小

if restsize <= 0:

break

fp.close()

print "recv succeeded !!File named:", filename

except Exception, e:

print unicode(e).encode('gbk')

print "the socket partner maybe closed"

newsock.close()

break

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 创建tcp连接

sock.bind(('10.240.146.82', 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'

客户端代码:

#!/usr/bin/python

# -*- coding: utf-8 -*-

import sys

reload(sys)

sys.setdefaultencoding("utf-8")

'''

输入文件名,并且上传

'''

import socket

import time

import struct

import os

f = open('socket_test.txt', 'wb')

for i in range(1000000):

f.write('for socket test, the line number is : ' + str(i) + '\n')

f.close()

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

sock.settimeout(50)

e = 0

try:

sock.connect(('10.240.146.82', 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

filename = 'socket_test.txt'

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')

fp2 = open('local_test.txt','wb')

i = 0

while 1: # 发送文件

filedata = fp.read(10240)

if not filedata:

break

sock.sendall(filedata)

fp2.write(filedata)

print i

i = i + 1

print "sending over..."

fp.close()

fp2.close()

本内容不代表本网观点和政治立场,如有侵犯你的权益请联系我们处理。
网友评论
网友评论仅供其表达个人看法,并不表明网站立场。