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#!/usr/bin/python
#
# QMP command line tool
#
# Copyright IBM, Corp. 2011
#
# Authors:
# Anthony Liguori <aliguori@us.ibm.com>
#
# This work is licensed under the terms of the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import sys, os
from qmp import QEMUMonitorProtocol
def print_response(rsp, prefix=[]):
if type(rsp) == list:
i = 0
for item in rsp:
if prefix == []:
prefix = ['item']
print_response(item, prefix[:-1] + ['%s[%d]' % (prefix[-1], i)])
i += 1
elif type(rsp) == dict:
for key in rsp.keys():
print_response(rsp[key], prefix + [key])
else:
if len(prefix):
print '%s: %s' % ('.'.join(prefix), rsp)
else:
print '%s' % (rsp)
def main(args):
path = None
# Use QMP_PATH if it's set
if os.environ.has_key('QMP_PATH'):
path = os.environ['QMP_PATH']
while len(args):
arg = args[0]
if arg.startswith('--'):
arg = arg[2:]
if arg.find('=') == -1:
value = True
else:
arg, value = arg.split('=', 1)
if arg in ['path']:
if type(value) == str:
path = value
elif arg in ['help']:
os.execlp('man', 'man', 'qmp')
else:
print 'Unknown argument "%s"' % arg
args = args[1:]
else:
break
if not path:
print "QMP path isn't set, use --path=qmp-monitor-address or set QMP_PATH"
return 1
if len(args):
command, args = args[0], args[1:]
else:
print 'No command found'
print 'Usage: "qmp [--path=qmp-monitor-address] qmp-cmd arguments"'
return 1
if command in ['help']:
os.execlp('man', 'man', 'qmp')
srv = QEMUMonitorProtocol(path)
srv.connect()
def do_command(srv, cmd, **kwds):
rsp = srv.cmd(cmd, kwds)
if rsp.has_key('error'):
raise Exception(rsp['error']['desc'])
return rsp['return']
commands = map(lambda x: x['name'], do_command(srv, 'query-commands'))
srv.close()
if command not in commands:
fullcmd = 'qmp-%s' % command
try:
os.environ['QMP_PATH'] = path
os.execvp(fullcmd, [fullcmd] + args)
except OSError as exc:
if exc.errno == 2:
print 'Command "%s" not found.' % (fullcmd)
return 1
raise
return 0
srv = QEMUMonitorProtocol(path)
srv.connect()
arguments = {}
for arg in args:
if not arg.startswith('--'):
print 'Unknown argument "%s"' % arg
return 1
arg = arg[2:]
if arg.find('=') == -1:
value = True
else:
arg, value = arg.split('=', 1)
if arg in ['help']:
os.execlp('man', 'man', 'qmp-%s' % command)
return 1
arguments[arg] = value
rsp = do_command(srv, command, **arguments)
print_response(rsp)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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