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 14from __future__ import print_function 15import sys 16import os 17from qmp import QEMUMonitorProtocol 18 19cmd, args = sys.argv[0], sys.argv[1:] 20socket_path = None 21path = None 22prop = None 23value = 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>.<property> <value> 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 'QMP_SOCKET' in os.environ: 49 socket_path = os.environ['QMP_SOCKET'] 50 else: 51 usage_error("no QMP socket path or address given"); 52 53if len(args) > 1: 54 try: 55 path, prop = args[0].rsplit('.', 1) 56 except: 57 usage_error("invalid format for path/property/value") 58 value = args[1] 59else: 60 usage_error("not enough arguments") 61 62srv = QEMUMonitorProtocol(socket_path) 63srv.connect() 64 65print(srv.command('qom-set', path=path, property=prop, value=value)) 66