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#!/usr/bin/env python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
import optparse
from qpid.messaging import *
from qpid.util import URL
from qpid.log import enable, DEBUG, WARN
def nameval(st):
idx = st.find("=")
if idx >= 0:
name = st[0:idx]
value = st[idx+1:]
else:
name = st
value = None
return name, value
def list_map_entries(m):
r = ""
for t in m:
r += "%s=%s " % (t, m[t])
return r
def get_qmfv2_result(m):
if m.properties['x-amqp-0-10.app-id'] == 'qmf2':
if m.properties['qmf.opcode'] == '_method_response':
return m.content['_arguments']
elif m.properties['qmf.opcode'] == '_exception':
raise Exception("Error: %s" % list_map_entries(m.content['_values']))
else: raise Exception("Invalid response received, unexpected opcode: %s" % m)
else: raise Exception("Invalid response received, not a qmfv2 method: %s" % m)
parser = optparse.OptionParser(usage="usage: %prog [options] COMMAND ...",
description="Invoke the specified command.")
parser.add_option("-b", "--broker", default="localhost",
help="connect to specified BROKER (default %default)")
parser.add_option("-c", "--class", dest="qmfclass", default="broker",
help="class of object on which command is being invoked (default %default)")
parser.add_option("-p", "--package", default="org.apache.qpid.broker",
help="package of object on which command is being invoked (default %default)")
parser.add_option("-i", "--id", default="amqp-broker",
help="identifier of object on which command is being invoked (default %default)")
parser.add_option("-a", "--address", default="qmf.default.direct/broker",
help="address to send commands to (default %default)")
parser.add_option("-t", "--timeout", type="float", default=5,
help="timeout in seconds to wait for response before exiting (default %default)")
parser.add_option("-v", dest="verbose", action="store_true",
help="enable logging")
opts, args = parser.parse_args()
if opts.verbose:
enable("qpid", DEBUG)
else:
enable("qpid", WARN)
if args:
command = args.pop(0)
else:
parser.error("command is required")
conn = Connection(opts.broker)
try:
conn.open()
ssn = conn.session()
snd = ssn.sender(opts.address)
reply_to = "qmf.default.direct/%s; {node: {type: topic}}" % str(uuid4())
rcv = ssn.receiver(reply_to)
object_name = "%s:%s:%s" % (opts.package, opts.qmfclass, opts.id)
method_name = command
arguments = {}
for a in args:
name, val = nameval(a)
if val[0] == '{' or val[0] == '[':
arguments[name] = eval(val)
else:
arguments[name] = val
content = {
"_object_id": {"_object_name": object_name},
"_method_name": method_name,
"_arguments": arguments
}
msg = Message(reply_to=reply_to, content=content)
msg.properties["x-amqp-0-10.app-id"] = "qmf2"
msg.properties["qmf.opcode"] = "_method_request"
snd.send(msg)
try:
print list_map_entries(get_qmfv2_result(rcv.fetch(timeout=opts.timeout)))
except Empty:
print "No response received!"
except Exception, e:
print e
except ReceiverError, e:
print e
except KeyboardInterrupt:
pass
conn.close()
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