fn_send.py

#!/usr/bin/env python
# -*- coding=utf-8 -*-

import socket
import os
import sys
import struct


def socket_client(source_addr, source_port, filename):
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.connect((source_addr, source_port))
    except socket.error as msg:
        print(msg)
        sys.exit(1)

    print(s.recv(1024))

    while 1:
        filepath = filename
        if os.path.isfile(filepath):
            # 定义定义文件信息。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
            fileinfo_size = struct.calcsize('128sl')
            # 定义文件头信息，包含文件名和文件大小
            fhead = struct.pack('128sl',bytes(os.path.basename(filepath).encode('utf-8')),os.stat(filepath).st_size)
            s.send(fhead)
            print('client filepath: {0}'.format(filepath))

            fp = open(filepath, 'rb')
            while 1:
                data = fp.read(1024)
                if not data:
                    print('{0} file send over...'.format(filepath))
                    break
                s.send(data)
        s.close()
        break


if __name__ == '__main__':
    socket_client()