util.py 文件源码

def bind_to_random_port(socket, addr, min_port=49152, max_port=65536, max_tries=100):
    "We can't just use the zmq.Socket.bind_to_random_port, as we wan't to set the identity before binding"
    for i in range(max_tries):
        try:
            port = random.randrange(min_port, max_port)
            socket.identity = '%s:%s' % (addr, port)
            socket.bind('tcp://*:%s' % port)
            #socket.bind('%s:%s' % (addr, port))
        except zmq.ZMQError as exception:
            en = exception.errno
            if en == zmq.EADDRINUSE:
                continue
            else:
                raise
        else:
            return socket.identity
    raise zmq.ZMQBindError("Could not bind socket to random port.")