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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 os
import optparse
import sys
import re
import socket
import qpid
from threading import Condition
from qmf.console import Session, Console
from qpid.peer import Closed
from qpid.connection import Connection, ConnectionFailed
from time import sleep
class BrokerManager(Console):
def __init__(self, host, mechanism):
self.url = host
self.objects = {}
self.filter = None
self.session = Session(self, rcvEvents=False, rcvHeartbeats=False,
userBindings=True, manageConnections=True)
self.broker = self.session.addBroker(self.url, None, mechanism)
self.firstError = True
def setFilter(self,filter):
self.filter = filter
def brokerConnected(self, broker):
if not self.firstError:
print "*** Broker connected"
self.firstError = False
def brokerDisconnected(self, broker):
print "*** Broker connection lost - %s, retrying..." % broker.getError()
self.firstError = False
self.objects.clear()
def objectProps(self, broker, record):
className = record.getClassKey().getClassName()
if className != "queue":
return
id = record.getObjectId().__repr__()
if id not in self.objects:
self.objects[id] = (record.name, None, None)
def objectStats(self, broker, record):
className = record.getClassKey().getClassName()
if className != "queue":
return
id = record.getObjectId().__repr__()
if id not in self.objects:
return
(name, first, last) = self.objects[id]
if first == None:
self.objects[id] = (name, record, None)
return
if len(self.filter) > 0 :
match = False
for x in self.filter:
if x.match(name):
match = True
break
if match == False:
return
if last == None:
lastSample = first
else:
lastSample = last
self.objects[id] = (name, first, record)
deltaTime = float (record.getTimestamps()[0] - lastSample.getTimestamps()[0])
if deltaTime < 1000000000.0:
return
enqueueRate = float (record.msgTotalEnqueues - lastSample.msgTotalEnqueues) / \
(deltaTime / 1000000000.0)
dequeueRate = float (record.msgTotalDequeues - lastSample.msgTotalDequeues) / \
(deltaTime / 1000000000.0)
print "%-41s%10.2f%11d%13.2f%13.2f" % \
(name, deltaTime / 1000000000, record.msgDepth, enqueueRate, dequeueRate)
sys.stdout.flush()
def Display (self):
self.session.bindClass("org.apache.qpid.broker", "queue")
print "Queue Name Sec Depth Enq Rate Deq Rate"
print "========================================================================================"
sys.stdout.flush()
try:
while True:
sleep (1)
if self.firstError and self.broker.getError():
self.firstError = False
print "*** Error: %s, retrying..." % self.broker.getError()
except KeyboardInterrupt:
print
self.session.delBroker(self.broker)
def main(argv=None):
p = optparse.OptionParser()
p.add_option('--broker-address','-a', default='localhost' , help='broker-addr is in the form: [username/password@] hostname | ip-address [:<port>] \n ex: localhost, 10.1.1.7:10000, broker-host:10000, guest/guest@localhost')
p.add_option('--filter','-f' ,default=None ,help='a list of comma separated queue names (regex are accepted) to show')
p.add_option("--sasl-mechanism", action="store", type="string", metavar="<mech>", help="SASL mechanism for authentication (e.g. EXTERNAL, ANONYMOUS, PLAIN, CRAM-MD, DIGEST-MD5, GSSAPI). SASL automatically picks the most secure available mechanism - use this option to override.")
options, arguments = p.parse_args(args=argv)
host = options.broker_address
filter = []
if options.filter != None:
for s in options.filter.split(","):
filter.append(re.compile(s))
bm = BrokerManager(host, options.sasl_mechanism)
bm.setFilter(filter)
bm.Display()
if __name__ == '__main__':
sys.exit(main())
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