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 import sys
  18 import os
  19 from qmp import QEMUMonitorProtocol
  20
  21 cmd, args = sys.argv[0], sys.argv[1:]
  22 socket_path = None
  23 path = None
  24 prop = None
  25
  26 def usage():
  27     return '''environment variables:
  28     QMP_SOCKET=<path | addr:port>
  29 usage:
  30     %s [-h] [-s <QMP socket path | addr:port>] [<path>]
  31 ''' % cmd
  32
  33 def usage_error(error_msg = "unspecified error"):
  34     sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg))
  35     exit(1)
  36
  37 if len(args) > 0:
  38     if args[0] == "-h":
  39         print(usage())
  40         exit(0);
  41     elif args[0] == "-s":
  42         try:
  43             socket_path = args[1]
  44         except:
  45             usage_error("missing argument: QMP socket path or address");
  46         args = args[2:]
  47
  48 if not socket_path:
  49     if 'QMP_SOCKET' in os.environ:
  50         socket_path = os.environ['QMP_SOCKET']
  51     else:
  52         usage_error("no QMP socket path or address given");
  53
  54 srv = QEMUMonitorProtocol(socket_path)
  55 srv.connect()
  56
  57 def list_node(path):
  58     print('%s' % path)
  59     items = srv.command('qom-list', path=path)
  60     for item in items:
  61         if not item['type'].startswith('child<'):
  62             try:
  63                 print('  %s: %s (%s)' % (item['name'], srv.command('qom-get', path=path, property=item['name']), item['type']))
  64             except:
  65                 print('  %s: <EXCEPTION> (%s)' % (item['name'], item['type']))
  66     print('')
  67     for item in items:
  68         if item['type'].startswith('child<'):
  69             list_node((path if (path != '/') else '')  + '/' + item['name'])
  70
  71 if len(args) == 0:
  72     path = '/'
  73 else:
  74     path = args[0]
  75
  76 list_node(path)