我编写了一个小程序,通过 udp 套接字连接将文件从客户端发送到服务器.. 程序正常工作,但如果我传输的文件大于 8192 kb,则流停止并且我收到的文件已损坏.. 我怎样才能避免这种情况局限性?
服务器.py
host = ...
port = ...
filename = ...
buf = 2048
addr = (host, port)
UDPSock = socket(AF_INET, SOCK_DGRAM)
UDPSock.bind(addr)
f = open(filename, 'wb')
block,addr = UDPSock.recvfrom(buf)
while block:
if(block == "!END"): # I put "!END" to interrupt the listener
break
f.write(block)
block,addr = UDPSock.recvfrom(buf)
f.close()
UDPSock.close()
客户端.py
host = ...
port = ...
filename = ...
buf = 2048
addr = (host, port)
UDPSock = socket(AF_INET, SOCK_DGRAM)
f = open(filename, 'rb')
block = f.read(buf)
while block:
UDPSock.sendto(block, addr)
block = f.read(buf)
UDPSock.sendto("!END", addr)
f.close()
UDPSock.close()