有需要发送文件的需求
思路:
#!/usr/bin/env python # -*- coding: utf-8 -*- from socket import * import struct import json import os import sys import time tcp_server = socket(AF_INET, SOCK_STREAM) ip_port = (('172.16.5.4', 7777)) buffsize = 1024 # 端口的重复利用 tcp_server.setsockopt(SOL_SOCKET, SO_REUSEPORT, 1) tcp_server.bind(ip_port) tcp_server.listen(200) while True: '''链接循环''' print("等待客户端连接...") conn, addr = tcp_server.accept() print('链接人的信息:', addr) head_struct = conn.recv(4) # 接收报头的长度, if head_struct: print('已连客户端,等待接收数据') head_len = struct.unpack('i', head_struct)[0] # 解析出报头的字符串大小 data = conn.recv(head_len) # 接收长度为head_len的报头内容的信息 (包含文件大小,文件名的内容) head_dir = json.loads(data.decode('utf-8')) filesize_b = head_dir['filesize_bytes'] filename = head_dir['filename'] # 接受真的文件内容 recv_len = 0 recv_mesg = b'' old = time.time() f = open(filename, 'wb') while recv_len < filesize_b: percent = recv_len / filesize_b if filesize_b - recv_len > buffsize: recv_mesg = conn.recv(buffsize) f.write(recv_mesg) recv_len += len(recv_mesg) else: recv_mesg = conn.recv(filesize_b - recv_len) recv_len += len(recv_mesg) f.write(recv_mesg) print(recv_len, filesize_b) now = time.time() stamp = int(now - old) print('总共用时%ds' % stamp) f.close()
#!/usr/bin/env python # -*- coding: utf-8 -*- from socket import * import struct import json import os tcp_client = socket(AF_INET, SOCK_STREAM) ip_port = (('172.16.5.4', 7777)) buffsize = 1024 tcp_client.connect_ex(ip_port) filename = 'gitlab-Statistics.py' filesize_bytes = os.path.getsize(filename) # 得到文件的大小,字节 dirc = { 'filename': filename, 'filesize_bytes': filesize_bytes, } head_info = json.dumps(dirc) # 将字典转换成字符串 head_info_len = struct.pack('i', len(head_info)) # 将字符串的长度打包 tcp_client.send(head_info_len) # 发送head_info的长度 tcp_client.send(head_info.encode('utf-8')) # 发送真是信息 with open(filename, 'rb') as f: data = f.read() tcp_client.sendall(data) print('发送成功')
#!/usr/bin/env python # -*- coding: utf-8 -*- # @Time : 18-5-21 下午1:59 # @Author : LK # @File : 文件传输-服务端.py # @Software: PyCharm from socket import * import struct import json import os tcp_server = socket(AF_INET, SOCK_STREAM) ip_port = (('172.16.1.46', 7777)) buffsize = 1024 # 端口的重复利用 tcp_server.setsockopt(SOL_SOCKET, SO_REUSEPORT, 1) tcp_server.bind(ip_port) tcp_server.listen(5) print('还没有人链接') while True: '''链接循环''' conn, addr = tcp_server.accept() print('链接人的信息:', addr) while True: if not conn: print('客户端链接中断') break '''通信循环''' #filemesg = input('请输入要传送的文件名加后缀>>>').strip() filemesg = 'gitlab-Statistics.py' filesize_bytes = os.path.getsize(filemesg) # 得到文件的大小,字节 filename = 'new' + filemesg dirc = { 'filename': filename, 'filesize_bytes': filesize_bytes, } head_info = json.dumps(dirc) # 将字典转换成字符串 head_info_len = struct.pack('i', len(head_info)) # 将字符串的长度打包 # 先将报头转换成字符串(json.dumps), 再将字符串的长度打包 # 发送报头长度,发送报头内容,最后放真是内容 # 报头内容包括文件名,文件信息,报头 # 接收时:先接收4个字节的报头长度, # 将报头长度解压,得到头部信息的大小,在接收头部信息, 反序列化(json.loads) # 最后接收真实文件 conn.send(head_info_len) # 发送head_info的长度 conn.send(head_info.encode('utf-8')) # 发送真是信息 with open(filemesg, 'rb') as f: data = f.read() conn.sendall(data) print('发送成功') break
#!/usr/bin/env python # -*- coding: utf-8 -*- # @Time : 18-5-21 下午1:59 # @Author : LK # @File : 文件传输_客户端.py # @Software: PyCharm from socket import * import struct import json import os import sys import time #from 进度条 import process_bar tcp_client = socket(AF_INET, SOCK_STREAM) ip_port = (('172.16.1.46', 7777)) buffsize = 1024 tcp_client.connect_ex(ip_port) print('等待链接服务端') while True: head_struct = tcp_client.recv(4) # 接收报头的长度, if head_struct: print('已连接服务端,等待接收数据') head_len = struct.unpack('i', head_struct)[0] # 解析出报头的字符串大小 data = tcp_client.recv(head_len) # 接收长度为head_len的报头内容的信息 (包含文件大小,文件名的内容) head_dir = json.loads(data.decode('utf-8')) filesize_b = head_dir['filesize_bytes'] filename = head_dir['filename'] # 接受真的文件内容 recv_len = 0 recv_mesg = b'' old = time.time() f = open(filename, 'wb') while recv_len < filesize_b: percent = recv_len / filesize_b # process_bar(percent) if filesize_b - recv_len > buffsize: recv_mesg = tcp_client.recv(buffsize) f.write(recv_mesg) recv_len += len(recv_mesg) else: recv_mesg = tcp_client.recv(filesize_b - recv_len) recv_len += len(recv_mesg) f.write(recv_mesg) print(recv_len, filesize_b) now = time.time() stamp = int(now - old) print('总共用时%ds' % stamp) f.close()