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FTP上传功能

##服务端
import socket,struct,json,os class MYTCPServer: address_family=socket.AF_INET socket_type=socket.SOCK_STREAM allow_reuse_address=False max_packet_size=8192 coding=‘utf-8‘ request_queue_size=5 server_dir=‘file_upload‘ def __init__(self,server_address,bind_and_activate=True): self.server_address=server_address self.socket=socket.socket(self.address_family,self.socket_type) if bind_and_activate: try: self.server_bind() self.server_activate() except: self.server_close() def server_bind(self): if self.allow_reuse_address: self.socket.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1) self.socket.bind(self.server_address) self.server_address=self.socket.getsockname() # 返回的就是元组(‘127.0.0.1‘, 8080) def server_activate(self): self.socket.listen(self.request_queue_size) def server_close(self): self.socket.close() def get_request(self): return self.socket.accept() def close_request(self,request): request.close() def run(self): while True: self.conn,self.client_addr=self.get_request() print(‘from client‘,self.client_addr) while True: try: head_struct=self.conn.recv(4) if not head_struct:break head_len=struct.unpack(‘i‘,head_struct)[0] head_json=self.conn.recv(head_len).decode(‘utf-8‘) head_dic=json.loads(head_json) print(head_dic) #head_dic={‘cmd‘:‘put‘,‘filename‘:‘a.txt‘,‘filesize‘:123123} cmd=head_dic[‘cmd‘] if hasattr(self,cmd): func=getattr(self,cmd) func(head_dic) except Exception: break self.close_request(self.conn) def put(self,args): file_path=os.path.normpath(os.path.join(self.server_dir,args[‘filename‘])) #os.path.normpath返回该文件的完整路径.文件名 filesize=args[‘filesize‘] recv_size=0 print(‘----->‘,file_path) with open(file_path,‘wb‘) as f: while recv_size < filesize: recv_data = http://www.mamicode.com/self.conn.recv(self.max_packet_size)>
#os.path.normpath  返回某个文件的完整路径及文件名 
#os.path.baaename 返回上述完整路径的文件名
print(os.path.isfile(‘F:\wangkc\day08\s4.py‘))  #True 
print(os.path.getsize(‘F:\wangkc\day08\s4.py‘)) #2264

#客户端
import socket,struct,json,os

class MYTCPClient:
    address_family=socket.AF_INET
    socket.type=socket.SOCK_STREAM
    allow_reuse_address=False
    max_packet_size=8192
    coding=‘utf-8‘
    request_queue_size=5
    def __init(self,server_address,connect=True):
        self.server_address=server_address
        self.socket=socket.socket(self.address_family,self.socket_type)
        if connect:
            try:
                self.client_connect()
            except:
                self.client_close()
                raise
    def client_connect(self):
        self.socket.connect(self.server_address)
    def client_close(self):
        self.socket.close()
    def run(self):
        while True:
            inp=input(‘>>: ‘).strip()
            if not inp:continue
            l=inp.split()
            cmd=l[0]
            if hasattr(self,cmd):
                func=getattr(self,cmd)
                func(l)

    def put(self,args):
        cmd=args[0]
        filename=args[1]
        if not os.path.isfile(filename):
            print(‘file:%s is not exists‘ % filename)
            return
        else:
            filesize=os.path.getsize(filename)

        head_dic={‘cmd‘:cmd,‘filename‘:os.path.basename(filename),‘filesize‘:filesize}
        print(head_dic)
        head_json=json.dumps(head_dic)
        head_json_bytes=bytes(head_json,encoding=self.coding)
        head_len_struct=struct.pack(‘i‘,len(head_json_bytes))
        self.socket.send(head_len_struct)
        self.socket.send(head_json_bytes)
        send_size=0
        with open(filename,‘rb‘) as f:
            for line in f:
                self.socket.send(line)
                send_size+=len(line)
                print(send_size)
            else:
                print(‘upload successful‘)

client=MYTCPClient((‘127.0.0.1‘,8080))
client.run()
 


 

FTP上传功能