| #!/usr/bin/python |
| ## |
| # QEMU Object Model test tools |
| # |
| # Copyright IBM, Corp. 2011 |
| # |
| # Authors: |
| # Anthony Liguori <aliguori@us.ibm.com> |
| # |
| # This work is licensed under the terms of the GNU GPL, version 2 or later. See |
| # the COPYING file in the top-level directory. |
| ## |
| |
| import sys |
| import os |
| from qmp import QEMUMonitorProtocol |
| |
| cmd, args = sys.argv[0], sys.argv[1:] |
| socket_path = None |
| path = None |
| prop = None |
| value = None |
| |
| def usage(): |
| return '''environment variables: |
| QMP_SOCKET=<path | addr:port> |
| usage: |
| %s [-h] [-s <QMP socket path | addr:port>] <path>.<property> <value> |
| ''' % cmd |
| |
| def usage_error(error_msg = "unspecified error"): |
| sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg)) |
| exit(1) |
| |
| if len(args) > 0: |
| if args[0] == "-h": |
| print(usage()) |
| exit(0); |
| elif args[0] == "-s": |
| try: |
| socket_path = args[1] |
| except: |
| usage_error("missing argument: QMP socket path or address"); |
| args = args[2:] |
| |
| if not socket_path: |
| if 'QMP_SOCKET' in os.environ: |
| socket_path = os.environ['QMP_SOCKET'] |
| else: |
| usage_error("no QMP socket path or address given"); |
| |
| if len(args) > 1: |
| try: |
| path, prop = args[0].rsplit('.', 1) |
| except: |
| usage_error("invalid format for path/property/value") |
| value = args[1] |
| else: |
| usage_error("not enough arguments") |
| |
| srv = QEMUMonitorProtocol(socket_path) |
| srv.connect() |
| |
| print(srv.command('qom-set', path=path, property=prop, value=value)) |