scripts/qmp/qom-tree

   1 #!/usr/bin/python
   2 ##
   3 # QEMU Object Model test tools
   4 #
   5 # Copyright IBM, Corp. 2011
   6 # Copyright (c) 2013 SUSE LINUX Products GmbH
   7 #
   8 # Authors:
   9 #  Anthony Liguori   <aliguori@amazon.com>
  10 #  Andreas Faerber   <afaerber@suse.de>
  11 #
  12 # This work is licensed under the terms of the GNU GPL, version 2 or later.  See
  13 # the COPYING file in the top-level directory.
  14 ##
  15
  16 from __future__ import print_function
  17 from __future__ import absolute_import
  18 import sys
  19 import os
  20 from .qmp import QEMUMonitorProtocol
  21
  22 cmd, args = sys.argv[0], sys.argv[1:]
  23 socket_path = None
  24 path = None
  25 prop = None
  26
  27 def usage():
  28     return '''environment variables:
  29     QMP_SOCKET=<path | addr:port>
  30 usage:
  31     %s [-h] [-s <QMP socket path | addr:port>] [<path>]
  32 ''' % cmd
  33
  34 def usage_error(error_msg = "unspecified error"):
  35     sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg))
  36     exit(1)
  37
  38 if len(args) > 0:
  39     if args[0] == "-h":
  40         print(usage())
  41         exit(0);
  42     elif args[0] == "-s":
  43         try:
  44             socket_path = args[1]
  45         except:
  46             usage_error("missing argument: QMP socket path or address");
  47         args = args[2:]
  48
  49 if not socket_path:
  50     if 'QMP_SOCKET' in os.environ:
  51         socket_path = os.environ['QMP_SOCKET']
  52     else:
  53         usage_error("no QMP socket path or address given");
  54
  55 srv = QEMUMonitorProtocol(socket_path)
  56 srv.connect()
  57
  58 def list_node(path):
  59     print('%s' % path)
  60     items = srv.command('qom-list', path=path)
  61     for item in items:
  62         if not item['type'].startswith('child<'):
  63             try:
  64                 print('  %s: %s (%s)' % (item['name'], srv.command('qom-get', path=path, property=item['name']), item['type']))
  65             except:
  66                 print('  %s: <EXCEPTION> (%s)' % (item['name'], item['type']))
  67     print('')
  68     for item in items:
  69         if item['type'].startswith('child<'):
  70             list_node((path if (path != '/') else '')  + '/' + item['name'])
  71
  72 if len(args) == 0:
  73     path = '/'
  74 else:
  75     path = args[0]
  76
  77 list_node(path)