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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 traceback
from fnmatch import fnmatch
from qpid.messaging import *
class Dispatcher:
def unhandled(self, msg):
print "UNHANDLED MESSAGE: %s" % msg
def ignored(self, msg):
return False
def dispatch(self, msg):
try:
if self.ignored(msg):
return ()
else:
type = msg.properties.get("type")
replies = getattr(self, "do_%s" % type, self.unhandled)(msg)
if replies is None:
return ()
else:
return replies
except:
traceback.print_exc()
return ()
def run(self, session):
while self.running():
msg = session.next_receiver().fetch()
replies = self.dispatch(msg)
count = len(replies)
sequence = 1
for to, r in replies:
r.correlation_id = msg.correlation_id
r.properties["count"] = count
r.properties["sequence"] = sequence
sequence += 1
try:
snd = session.sender(to)
snd.send(r)
except SendError, e:
print e
finally:
snd.close()
session.acknowledge(msg)
def get_status(msg):
return msg.content["identity"], msg.content["status"], msg.content["owner"]
FREE = "free"
BUSY = "busy"
def match(value, patterns):
for p in patterns:
if fnmatch(value, p):
return True
return False
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