xref: /qemu/scripts/qmp/qom-tree (revision bfa3ab61) 
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
16import sys
17import os
18from qmp import QEMUMonitorProtocol
19
20cmd, args = sys.argv[0], sys.argv[1:]
21socket_path = None
22path = None
23prop = None
24
25def usage():
26    return '''environment variables:
27    QMP_SOCKET=<path | addr:port>
28usage:
29    %s [-h] [-s <QMP socket path | addr:port>] [<path>]
30''' % cmd
31
32def usage_error(error_msg = "unspecified error"):
33    sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg))
34    exit(1)
35
36if 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
47if 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
53srv = QEMUMonitorProtocol(socket_path)
54srv.connect()
55
56def 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
70if len(args) == 0:
71    path = '/'
72else:
73    path = args[0]
74
75list_node(path)
76