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