1 ftp-server端
2
3 import os
4 import json
5 import socketserver
6 import shutil
7
8 CODE = {
9 '1001':'上传文件，从头开始上传'
10 }
11
12 def recv_file(code, mode, recv_size, upload_file_size):
13
14 response = {'code': code, 'size': recv_size}
15 conn.sendall(json.dumps(response).encode('utf-8'))
16
17 f = open(file_md5_path, mode)
18 while recv_size < upload_file_size:
19 data = conn.recv(1024)
20 f.write(data)
21 f.flush()
22 recv_size += len(data)
23 f.close()
24
25 # 3.1.3 改名字
26 shutil.move(file_md5_path, file_name_path)
27
28
29 def upload(cmd_dict,conn,username):
30 """
31 服务端完成上传文件（含断点续传）
32 :param cmd_dict:
33 :param conn:
34 :return:
35 """
36 # 2. 获取文件信息
37 file_md5 = cmd_dict['md5']
38 file_name = cmd_dict['file_name']
39
40 file_md5_path = os.path.join('home', username, file_md5)
41 file_name_path = os.path.join('home', username, file_name)
42 upload_file_size = cmd_dict['size']
43
44 # 3. 判断文件是否存在
45 exist = os.path.exists(file_md5_path)
46 if not exist: # 不续传
47 # 3.1.1 可以开始上传了，我已经准备好。
48 recv_file('1001', 'wb', 0, upload_file_size)
49
50 else: # 续传
51 # 3.2 续传+大小
52 exist_size = os.stat(file_md5_path).st_size
53 recv_file('1002', 'ab', exist_size, upload_file_size)
54
55 class NbServer(socketserver.BaseRequestHandler):
56 def handle(self):
57 """
58 self.request 是客户端的socket对象
59 :return:
60 """
61 # 1. 接收命令
62 upload_cmd_bytes = self.request.recv(8096)
63 cmd_dict = json.loads(upload_cmd_bytes.decode('utf-8'))
64
65 if cmd_dict['cmd'] == 'upload':
66 upload(cmd_dict,self.request,'zhangzijian')
67 elif cmd_dict['cmd'] == 'download':
68 pass
69
70 if __name__ == '__main__':
71 server = socketserver.ThreadingTCPServer(('127.0.0.1',8001),NbServer)
72 server.serve_forever()
73
74
75
76
77 ftp-client端
78
79 import os
80 import socket
81 import json
82 import hashlib
83 CODE = {
84 '1001':'上传文件，从头开始上传'
85 }
86
87
88 def file_md5(file_path):
89 """
90 文件进行md5加密
91 :param file_path:
92 :return:
93 """
94 obj = open(file_path,'rb')
95 m = hashlib.md5()
96 for line in obj:
97 m.update(line)
98 obj.close()
99 return m.hexdigest()
100
101 def jdt(size,total_size):
102 """
103 显示进度条
104 :return:
105 """
106 val = int(size / total_size * 100)
107 print('
%s%%|%s' % (val, "#" * val,), end='')
108
109 def send_file(exist_size,file_total_size):
110 """
111 发送文件
112 :param exist_size:开始读取字节的位置
113 :param file_total_size: 文件总字节大小
114 :return:
115 """
116 f = open(file_path, 'rb')
117 f.seek(exist_size)
118 send_size = exist_size
119 while send_size < file_total_size:
120 data = f.read(1024)
121 sk.sendall(data)
122 send_size += len(data)
123 jdt(send_size,file_total_size)
124 f.close()
125 print('上传成功')
126
127 def upload(file_path):
128 """
129 文件上传（含断点）
130 :param file_path:
131 :return:
132 """
133 file_md5_val = file_md5(file_path)
134 file_name = os.path.basename(file_path)
135 file_size = os.stat(file_path).st_size
136
137 cmd_dict = {'cmd': 'upload', 'file_name': file_name, 'size': file_size, 'md5': file_md5_val}
138 upload_cmd_bytes = json.dumps(cmd_dict).encode('utf-8')
139 sk.sendall(upload_cmd_bytes)
140
141 # 2. 等待服务端的响应
142 response = json.loads(sk.recv(8096).decode('utf-8'))
143 if response['code'] == 1001:
144 send_file(0, file_size)
145 else:
146 # 断点续传
147 exist_size = response['size']
148 send_file(exist_size,file_size)
149
150 sk = socket.socket()
151 sk.connect(('127.0.0.1',8001))
152
153 while True:
154 # upload|文件路径
155 user_input = input("请输入要执行的命令")
156 # 1. 自定义协议{'cmd':'upload','file_path':'.....'}
157 cmd,file_path = user_input.split('|',maxsplit=1)
158 if cmd == 'upload':
159 upload(file_path)
160 elif cmd == 'download':
161 pass
