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79 lines
2.8 KiB
Python
Executable File
79 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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import optparse
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from proton.handlers import MessagingHandler
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from proton.reactor import ApplicationEvent, Container, EventInjector
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from db_common import Db
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class Recv(MessagingHandler):
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def __init__(self, url, count):
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super(Recv, self).__init__(auto_accept=False)
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self.url = url
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self.delay = 0
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self.last_id = None
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self.expected = count
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self.received = 0
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self.accepted = 0
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self.db = Db("dst_db", EventInjector())
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def on_start(self, event):
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event.container.selectable(self.db.injector)
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e = ApplicationEvent("id_loaded")
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e.container = event.container
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self.db.get_id(e)
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def on_id_loaded(self, event):
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self.last_id = event.id
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event.container.create_receiver(self.url)
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def on_record_inserted(self, event):
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self.accept(event.delivery)
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self.accepted += 1
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if self.accepted == self.expected:
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event.connection.close()
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self.db.close()
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def on_message(self, event):
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id = int(event.message.id)
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if (not self.last_id) or id > self.last_id:
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if self.expected == 0 or self.received < self.expected:
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self.received += 1
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self.last_id = id
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self.db.insert(id, event.message.body, ApplicationEvent("record_inserted", delivery=event.delivery))
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print("inserted message %s" % id)
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else:
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self.release(event.delivery)
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else:
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self.accept(event.delivery)
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parser = optparse.OptionParser(usage="usage: %prog [options]")
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parser.add_option("-a", "--address", default="localhost:5672/examples",
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help="address from which messages are received (default %default)")
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parser.add_option("-m", "--messages", type="int", default=0,
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help="number of messages to receive; 0 receives indefinitely (default %default)")
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opts, args = parser.parse_args()
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try:
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Container(Recv(opts.address, opts.messages)).run()
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except KeyboardInterrupt:
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pass |