xref: /qemu/scripts/qmp/qom-get (revision 72ac97cd) 
1#!/usr/bin/python
2##
3# QEMU Object Model test tools
4#
5# Copyright IBM, Corp. 2011
6#
7# Authors:
8#  Anthony Liguori   <aliguori@us.ibm.com>
9#
10# This work is licensed under the terms of the GNU GPL, version 2 or later.  See
11# the COPYING file in the top-level directory.
12##
13
14import sys
15import os
16from qmp import QEMUMonitorProtocol
17
18cmd, args = sys.argv[0], sys.argv[1:]
19socket_path = None
20path = None
21prop = None
22
23def usage():
24    return '''environment variables:
25    QMP_SOCKET=<path | addr:port>
26usage:
27    %s [-h] [-s <QMP socket path | addr:port>] <path>.<property>
28''' % cmd
29
30def usage_error(error_msg = "unspecified error"):
31    sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg))
32    exit(1)
33
34if len(args) > 0:
35    if args[0] == "-h":
36        print usage()
37        exit(0);
38    elif args[0] == "-s":
39        try:
40            socket_path = args[1]
41        except:
42            usage_error("missing argument: QMP socket path or address");
43        args = args[2:]
44
45if not socket_path:
46    if os.environ.has_key('QMP_SOCKET'):
47        socket_path = os.environ['QMP_SOCKET']
48    else:
49        usage_error("no QMP socket path or address given");
50
51if len(args) > 0:
52    try:
53        path, prop = args[0].rsplit('.', 1)
54    except:
55        usage_error("invalid format for path/property/value")
56else:
57    usage_error("not enough arguments")
58
59srv = QEMUMonitorProtocol(socket_path)
60srv.connect()
61
62rsp = srv.command('qom-get', path=path, property=prop)
63if type(rsp) == dict:
64    for i in rsp.keys():
65        print '%s: %s' % (i, rsp[i])
66else:
67    print rsp
68