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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 qpid.management import managementClient
from qpid.peer import Closed
from qpid.connection import Connection
from qpid.util import connect
from time import sleep
class Broker:
def __init__ (self, text):
colon = text.find (":")
if colon == -1:
host = text
self.port = 5672
else:
host = text[:colon]
self.port = int (text[colon+1:])
self.host = socket.gethostbyname (host)
def name (self):
return self.host + ":" + str (self.port)
class mgmtObject (object):
""" Generic object that holds the contents of a management object with its
attributes set as object attributes. """
def __init__ (self, classKey, timestamps, row):
self.classKey = classKey
self.timestamps = timestamps
for cell in row:
setattr (self, cell[0], cell[1])
class BrokerManager:
def __init__ (self):
self.dest = None
self.src = None
self.broker = None
self.objects = {}
self.filter = None
self.specpath="/usr/share/amqp/amqp.0-10.xml"
def SetBroker (self, broker):
self.broker = broker
def ConnectToBroker (self):
try:
self.spec = qpid.spec.load (self.specpath)
self.sessionId = "%s.%d" % (os.uname()[1], os.getpid())
self.conn = Connection (connect (self.broker.host, self.broker.port), self.spec)
self.conn.start ()
self.mclient = managementClient (self.spec, None, self.configCb, self.instCb)
self.mchannel = self.mclient.addChannel (self.conn.session(self.sessionId))
except socket.error, e:
print "Connect Error:", e
exit (1)
def setFilter(self,filter):
self.filter = filter
def setSpecpath(self,spec):
self.specpath = spec
def Disconnect (self):
self.mclient.removeChannel (self.mchannel)
def configCb (self, context, classKey, row, timestamps):
className = classKey[1]
if className != "queue":
return
obj = mgmtObject (classKey, timestamps, row)
if obj.id not in self.objects:
self.objects[obj.id] = (obj.name, None, None)
def instCb (self, context, classKey, row, timestamps):
className = classKey[1]
if className != "queue":
return
obj = mgmtObject (classKey, timestamps, row)
if obj.id not in self.objects:
return
(name, first, last) = self.objects[obj.id]
if first == None:
self.objects[obj.id] = (name, obj, 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[obj.id] = (name, first, obj)
deltaTime = float (obj.timestamps[0] - lastSample.timestamps[0])
enqueueRate = float (obj.msgTotalEnqueues - lastSample.msgTotalEnqueues) / (deltaTime / 1000000000.0)
dequeueRate = float (obj.msgTotalDequeues - lastSample.msgTotalDequeues) / (deltaTime / 1000000000.0)
print "%-41s%10.2f%10d..%-10d%13.2f%13.2f" % \
(name, deltaTime / 1000000000, obj.msgDepthLow, obj.msgDepthHigh, enqueueRate, dequeueRate)
def Display (self):
self.ConnectToBroker ()
print "Queue Name Sec Depth Range Enq Rate Deq Rate"
print "==================================================================================================="
try:
while True:
sleep (1)
except KeyboardInterrupt:
pass
self.Disconnect ()
##
## Main Program
##
def main():
p = optparse.OptionParser()
p.add_option('--broker-address','-a', default='localhost' , help='broker-addr is in the form: hostname | ip-address [:<port>] \n ex: localhost, 10.1.1.7:10000, broker-host:10000')
p.add_option('--amqp-spec-file','-s', default='"/usr/share/amqp/amqp.0-10.xml', help='the path to the amqp spec file')
p.add_option('--filter','-f' ,default=None ,help='a list of comma separated queue names (regex are accepted) to show')
options, arguments = p.parse_args()
host = options.broker_address
specpath = options.amqp_spec_file
filter = []
if options.filter != None:
for s in options.filter.split(","):
filter.append(re.compile(s))
bm = BrokerManager ()
bm.SetBroker (Broker (host))
bm.setSpecpath(specpath)
bm.setFilter(filter)
bm.Display()
if __name__ == '__main__':
main()
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