block_devices.py 文件源码

def scanner_cmd(cmd):
    client = socket.socket(socket.AF_UNIX)
    client.settimeout(1)
    client.connect_ex("/var/run/device-scanner.sock")
    client.sendall(json.dumps({"ACTION": cmd}))
    client.shutdown(socket.SHUT_WR)

    out = ''

    while True:
        data = client.recv(1024)
        size = len(data)

        if size == 0:
            break

        out += data

    return json.loads(out)