utils.py 文件源码

def clientScan(report = None):
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
        s.settimeout(30)

        s.bind(('', 8000))

        buf, address = s.recvfrom(64)

        address = address[0]
        port = int(str(buf, encoding='utf8'))

        reporting(report, "Master server found")

        return (address, port)
    except socket.timeout:
        reporting(report, "No master server on network", IOError)

        return ("", 8000) # return default values