Python - 通过套接字发送文件

Ste*_*ess 3 python sockets networking

我一直在尝试实现一个小型的SERVER - CLIENT应用程序但是跑进了一个错误:

socket.error:[Errno 10057]不允许发送或接收数据的请求,因为没有连接套接字(当使用sendto调用在数据报套接字上发送时)没有提供地址

服务器:

class Server:
    gate = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    host = socket.gethostname()
    port = 0
    file = ''

    def __init__(self, port):
        self.port = port
        self.gate.bind((self.host, self.port))  
        self.listen()

    def listen(self):
        self.gate.listen(10)
        while True:
            add = self.gate.accept()
            self.reciveFileName()
            self.reciveFile()


    def reciveFileName(self):
        while True:
            data = self.gate.recv(1024)
            self.file = data

    def reciveFile(self):
        createFile = open("new_"+self.file, "wb")
        while True:
            data = self.gate.recv(1024)
            createFile.write(data)
        createFile.close()



a = Server(1111)
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客户:

class Client:
    gateway = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    #host = socket.gethostname()
    host = ''
    port = 0
    file = ''

    def __init__(self, host, port, file):
        self.port = port
        self.host = host
        self.file = file
        self.connect()

    def connect(self):
        self.gateway.connect((self.host, self.port))
        self.sendFileName()
        self.sendFile()

    def sendFileName(self):
        self.gateway.send("name:" + self.file)

    def sendFile(self):
        readByte = open(self.file, "rb")
        data = readByte.read()
        readByte.close()

        self.gateway.send(data)
        self.gateway.close()



a = Client('93.103.56.251', 1111, 'data.txt')
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phi*_*hag 7

服务器具有一个用于accept传入连接的服务器套接字,以及用于每个连接的另一个套接字.从您的代码:

self.gate.listen(10)
while True:
    add = self.gate.accept()
    self.reciveFileName() # which calls self.gate.recv()
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您应该使这些方法在接受的连接上运行,而不是在self.gate中运行reciveFilenamereciveFile(顺便说一下,正确的拼写receive),如下所示:

def listen(self):
    self.gate.listen(10)
    while True:
        conn,address = self.gate.accept()
        self.receiveFilename(conn)

def receiveFilename(self, sock):
    buf = sock.recv(1024)
    print('First bytes I got: ' + buf)
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此外,reciveFilename目前在套接字上永远监听.相反,您必须设计一个适当的协议,指定文件名何时结束并开始文件内容.例如,您可以让文件名结束,b'\0'让服务器搜索该字节.